CN1381348A - Blowing forming device - Google Patents
Blowing forming device Download PDFInfo
- Publication number
- CN1381348A CN1381348A CN 02108770 CN02108770A CN1381348A CN 1381348 A CN1381348 A CN 1381348A CN 02108770 CN02108770 CN 02108770 CN 02108770 A CN02108770 A CN 02108770A CN 1381348 A CN1381348 A CN 1381348A
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- Prior art keywords
- mentioned
- preform
- blow molding
- cooling
- blow
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention provides a blow molding apparatus capable of effectively cooling a conveyor member without giving an influence to another work. A blow molding apparatus 10 blow-molds a preform 24 after heating it at a temperature not lower than a blow-molding temperature. There are arranged in the blow-molding apparatus 10 a plurality of conveyor members 32 holding and conveying the preform 24, a preform supply portion 16 having an endless conveyor portion 22 circularly conveying conveyor members 32 and conveying the preform 24 along the conveyor portion 22 to the conveyor members 32, a heating portion 16 heating the preform at a temperature of not lower than a blow molding temperature, a blow-molding portion 18 blow- molding the preform heated by the heating portion 16 into a shape of a product and a take-out portion 20 taking out a blow-molded product in this order wherein a cooling portion 60 is arranged at the conveyor portion 22 to blow air to the conveyor members 32 for cooling them.
Description
Technical field
The present invention relates to a kind of blow molding apparatus, particularly be a kind of with preform remain on the transmission member by and send in cycles, to the blow molding apparatus that carries out blow molding after its heating.
Background technology
As blow molding apparatus, for example, remain on the neck shape portion of preform on the transmission member and send in cycles, in transmission, preform is heated by the heating part, carry out blow molding in blow molding portion afterwards, this device is known.
In such blow molding apparatus, very high for the requirement of saving the space.Along with pursuing such requirement, do not carry out the space that is wasted of any processing in the blow molding apparatus and reduced.
Particularly save in the blow molding apparatus of spatialization the temperature treatment that has produced the preform that transmits by the transmission member so new problem of difficulty that becomes having carried out.
The purpose of this invention is to provide a kind of blow molding apparatus, the temperature treatment of the preform that is transmitted by transmission member is easy to, keep the shaping quality even seek to save spatialization.
Summary of the invention
In order to achieve the above object, the feature of blow molding apparatus involved in the present invention is, have while several transmission members that keep preform to transmit with the ring-type transport unit of above-mentioned several transmission members cyclic transfer, along above-mentioned transport unit arranged in order supply with the preform supply unit of preforms to above-mentioned several transmission members, above-mentioned preform is heated to heating part more than the blow molding temperature, to be the blow molding portion of finished form by the preform blow molding after the heating of above-mentioned heating part, and the finished product taking-up portion that takes out of the finished product that will finish blow molding, above-mentioned transport unit have to above-mentioned several transmission members respectively injection air make the cooling end of its cooling.
As the difficulty of the temperature treatment of the preform of problem of the present invention, distinguished for resulting from the temperature of transmission member and risen.With preform in the transmission member of the heating part portion of being heated heating after the blow molding operation is finished, the new preform of next round is sent into before the heating part, and there is significant role in the space of not carrying out any processing in the blow molding apparatus for the natural heat dissipation that promotes transmission member self.And such space that is used to dispel the heat is owing to save after spatialization cut down, and the temperature of transmission member just can have not been fallen.
Problem of the present invention is in transport unit cooling end to be set, and makes its cooling by spray the cooling air to transmission member, solves the problem of cooling transfer member efficiently.
Among the present invention, downstream one side of the direction of transfer of the above-mentioned preform that is configured in above-mentioned blow molding portion of above-mentioned cooling end, and be above-mentioned heating part above-mentioned direction of transfer upstream one side above-mentioned transport unit midway.
Like this, can be not during to heating, the preform temperature of blow molding cools off transfer member with exerting an influence.
Therefore, even carry out the saving spatialization of blow molding apparatus, also can prevent the influences because of the torrid zone such as distortion at preform neck shape position.
Among the present invention, above-mentioned transport unit can be with above-mentioned several transmission member indexing transfers.In this case, above-mentioned cooling end preferably is provided with accordingly with at least one portion that stops that above-mentioned several transport units are stopped.By spray the cooling air to the transmission member that stops cooling effectiveness being improved.
This portion of stopping can be arranged in the above-mentioned transport unit between above-mentioned finished product taking-up portion and the above-mentioned preform supply unit.In this case, above-mentioned cooling end can spray the cooling air to the above-mentioned transmission member of locating to stop in the above-mentioned portion that stops.By such formation, can not have finished product or not have to cool off reliably under the state of preform the retaining part of the preform of transfer member.
Perhaps, above-mentioned cooling end is arranged on respectively with above-mentioned finished product taking-up portion, above-mentioned three the corresponding respectively positions of portion and above-mentioned preform supply unit that stop and also is fine.Because of situation about being stopped in above-mentioned finished product taking-up portion and above-mentioned preform supply unit transmission member is a lot, so can make cooling capacity obtain bigger raising.
Among the present invention, above-mentioned cooling end possesses and has the fan of supplying gas of sending the cooling air, and is provided with several blow-off outlets, will cools off above-mentioned several transmission members of air guide and to the cooling device of the cooling duct case of each transmission member injection.
By such formation, make by the cooling air sent here of fan of supplying gas by cooling duct case each transmission member that leads reliably, cool off expeditiously.
Among the present invention, transmission member has year dress platform that loads preform, in order to improve cooling effectiveness, carries a dress platform and is provided with slit.
By such formation, the surface area that carries the dress platform is increased, improve cooling effectiveness.
Description of drawings
Fig. 1 is the plane of the related blow molding apparatus of the expression embodiment of the invention.
Fig. 2 is the profile of the cooling device of presentation graphs 1.
The specific embodiment
Below specific embodiments of the invention are elaborated with reference to accompanying drawing.
Fig. 1 and Fig. 2 are the view of the related blow molding apparatus of the expression embodiment of the invention.
This blow molding apparatus 10 as shown in Figure 1, support 12 upper edge ring-type transport units 22 are provided with preform supply unit 14, heating part 16, blow molding portion 18, finished product taking-up portion 20.
And, in the long limit of continuity, be provided with finished product taking-up portion 20 and preform supply unit 14 to arrangement preform direction of transfer upstream one end of heating part 16 by blow molding portion 18 1 sides from the minor face that is provided with blow molding portion 18 along direction of transfer A.
Preform supply unit 14 will be handed to transport unit 22 by the preform 24 of injection moulding in advance in addition, control the neck shape portion of preform 24 with a pair of chuck mechanism 26, the state that the inverting action by chuck mechanism 26 makes preform 24 stand upside down with neck shape portion is downwards handed to transport unit 22.
And, several transmission members 32 have been installed on this conveyer chain 30.
In addition, this transfer member 32 can rotate relative to transmitting guide rail 28 by cam follower 35 as shown in Figure 2.
And, transmission member 32 as shown in Figure 2, but have that the fixed part 36 of relative fixed on conveyer chain 30 install rotatably carry dress platform 38, the pin 40 of the transmission usefulness of outstanding formation inserts in the neck shape portion of finished products 54 or preform 24 on this year dress platform 38.Support finished product 54 or preform 24 with handstand state.
In addition, carrying on the dress platform 38, be provided with as illustrated in fig. 2 from the sprocket wheel 42 of migrating, the chain 43 that be wound on the sprocket wheel 44 on this sprocket wheel of migrating certainly 42 and three limits that heating part 16 is arranged, sets up engages, under the driving force effect that is used for preform rotation motor 45, carry dress platform 38 autobiography in the scope of heating part 16, and make also rotation of preform 24.
In the heating cabinet on 46 transfer path one-sided in heating cabinet 46, several heaters 48 to the direction of transfer extension of preform 24 are set with longitudinally being divided into multistage, by regulating the heating-up temperature of these heaters 48, thereby provide its Temperature Distribution longitudinally to preform 24.
The finished product 54 that finished product taking-up portion 20 will be blow molded shaping at blow molding portion 18 places takes out, and is arranged on the next door of preform supply unit 14.
In this finished product taking-up portion 20, equally with preform supply unit 14 disposed a pair of chuck mechanism 56, control the neck shape portion of the finished product that is handstand state 54 that sends by transfer member 32 by chuck mechanism 56, by the rotary movement of this chuck mechanism, finished product 54 can be taken out with neck shape portion upright state up.
Between finished product taking-up portion 20 and preform supply unit 14, be provided with the portion that stops 58 of transfer member 32, on this stops the position of portion 58, can stop two transmission members 32.
And, between the end, direction of transfer upstream of blow molding portion 18 and heating part 16, be provided with the cooling end 60 that makes its cooling to transmission member 32 injected cool air.
Specifically, cooling end 60 is to constitute by being separately positioned on finished product taking-up portion 20, three cooling devices 62 stopping on portion 58, preform supply unit 14 correspondence positions.
Each cooling device 62 has the fan 64 of supplying gas of sending the cooling air and fans the cooling duct casees 66 that become one with the fan of supplying gas below 64 with being located to supply gas.
This cooling duct case 66 has towards respectively at finished product taking-up portion 20, stop to stop on the position of portion 58 and preform supply unit 14 one or several, two blow-off outlets 68 of two transmission member 32 openings for example, air two transmission members 32 that lead respectively will be cooled off, and each transmission member 32 can be blowed to.
Like this, by cooling end being located at direction of transfer downstream one side of blow molding portion 18, and be direction of transfer upstream one side of heating part 16, not only to not influence of the various processing of heating part 16, blow molding portion 18, the temperature that can also cause because of the superheated of transmission member 32 rises the distortion etc. of the neck shape portion that causes preform 24 by thermogenetic influence.
In addition, can by the preform 24 of heating part 16 heating after blow molding, keeps new preform once more before 16 transmission of heating part, cool off transmission member 32 reliably.
And, between finished product taking-up portion 20 and preform supply unit 14, be provided with the portion of stopping 58, do not have finished product 54 by cooling off in 58 pairs of transmission members 32 of the portion of stopping, making and being in, cool off reliably under the state of preform 24 transmission member 32 especially for the pin 40 that transmits.
Have again, will cool off each transmission member 32 that the reliable guiding of air is in each position, cool off expeditiously by cooling duct case 66.
In addition, because the peristome of cooling duct case 66 is arranged on especially and carries dress platform 38 corresponding positions, so, also can efficient transmission member 32 be cooled off even preform 24, finished product 54 remain on and transmit on the pin 40.
And, as shown in Figure 2, have slit 70 owing to carry a dress platform 38, and be designed to cool off wing, can more effectively cool off transmission member, can also prevent that neck shape portion is because of distortion that heat produced.
The present invention is not limited in the foregoing description, can be deformed into various other forms in the scope of main idea of the present invention.
For example, in the foregoing description, between finished product taking-up portion and preform supply unit, be provided with the portion that stops of transmission member, also be provided with cooling device there, but, also can be according to the state that is provided with of finished product taking-up portion, preform supply unit or the conditions such as number of blow molding simultaneously, the portion that stops that omitting transmission member.
In addition, in the foregoing description, though give in goods taking-up portion respectively, stop portion, the preform supply unit has disposed the cooling device of being made up of supply gas fan and cooling duct case, but, also can adopt the cooling duct case will cool off the transmission member of air according to the cooling capacity of the fan of supplying gas from each position of fan guiding of supplying gas.
In addition, though how many temperature of preform is had some influences, also can dispose cooling end along the heating part.
Claims (7)
1. blow molding apparatus is characterized in that:
Have while several transmission members that keep preform to transmit with the ring-type transport unit of above-mentioned several transmission members cyclic transfer;
Along above-mentioned transport unit arranged in order supply with the preform supply unit of preforms to above-mentioned several transmission members, above-mentioned preform is heated to heating part more than the blow molding temperature, to be the blow molding portion of finished form by the preform blow molding after the heating of above-mentioned heating part, and the finished product taking-up portion that will finish the finished product taking-up of blow molding
Above-mentioned transport unit have to above-mentioned several transmission members respectively injection air make the cooling end of its cooling.
2. blow molding apparatus according to claim 1 is characterized in that:
Above-mentioned cooling end is configured in downstream one side of direction of transfer of the above-mentioned preform of above-mentioned blow molding portion, and be above-mentioned heating part direction of transfer upstream one side above-mentioned transport unit midway.
3. blow molding apparatus according to claim 2 is characterized in that:
Above-mentioned several transmission members of above-mentioned transport unit indexing transfer,
Above-mentioned cooling end is that at least one that be stopped with above-mentioned several transport units stops the corresponding configuration of portion.
4. blow molding apparatus according to claim 3 is characterized in that:
The above-mentioned portion of stopping to be arranged on the above-mentioned transport unit between above-mentioned finished product taking-up portion and the above-mentioned preform supply unit,
Above-mentioned cooling end is to spraying the cooling air in the above-mentioned transmission member that stops to stop in the portion.
5. blow molding apparatus according to claim 2 is characterized in that: above-mentioned finished product taking-up portion and above-mentioned above-mentioned transport unit between the preform supply unit are provided with the portion that stops of above-mentioned transfer member,
Above-mentioned cooling end is arranged on respectively respectively and above-mentioned finished product taking-up portion, above-mentioned stopping on portion and corresponding three positions of above-mentioned preform supply unit.
6. blow molding apparatus according to claim 1 is characterized in that:
Above-mentioned cooling end has the fan of supplying gas of sending the cooling air, the cooling duct case that is provided with several blow-off outlets, will cools off above-mentioned several transmission members of air guide and spray to each transmission member.
7. according to each described blow molding apparatus in the claim 1 to 6, it is characterized in that:
Above-mentioned transfer member has year dress platform that is used to load above-mentioned preform,
The dress platform had the slit that improves cooling effectiveness in above-mentioned year.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP103263/01 | 2001-04-02 | ||
| JP2001103263A JP3701575B2 (en) | 2001-04-02 | 2001-04-02 | Blow molding equipment |
| JP103263/2001 | 2001-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1381348A true CN1381348A (en) | 2002-11-27 |
| CN1200804C CN1200804C (en) | 2005-05-11 |
Family
ID=18956346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02108770 Expired - Lifetime CN1200804C (en) | 2001-04-02 | 2002-04-02 | Blowing forming device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3701575B2 (en) |
| CN (1) | CN1200804C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4775791B2 (en) * | 2005-04-21 | 2011-09-21 | 株式会社吉野工業所 | Preform holding jig and thermal crystallization treatment equipment |
| DE102009031154A1 (en) * | 2009-06-30 | 2011-01-05 | Krones Ag | Method for converting a blow molding machine and blow molding machine |
| EP3369552B8 (en) * | 2015-10-30 | 2021-06-16 | Nissei ASB Machine Co., Ltd. | Blow molding device |
-
2001
- 2001-04-02 JP JP2001103263A patent/JP3701575B2/en not_active Expired - Lifetime
-
2002
- 2002-04-02 CN CN 02108770 patent/CN1200804C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002292724A (en) | 2002-10-09 |
| JP3701575B2 (en) | 2005-09-28 |
| CN1200804C (en) | 2005-05-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20050511 |