CN2055085U - Apparatus for producing pet polyester bottle by two-step method - Google Patents
Apparatus for producing pet polyester bottle by two-step method Download PDFInfo
- Publication number
- CN2055085U CN2055085U CN 88221248 CN88221248U CN2055085U CN 2055085 U CN2055085 U CN 2055085U CN 88221248 CN88221248 CN 88221248 CN 88221248 U CN88221248 U CN 88221248U CN 2055085 U CN2055085 U CN 2055085U
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- mould
- air inlet
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- bottle
- nut
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an apparatus for producing PET polyester bottles by two-step method, which belongs to the technical field of the food packaging processing. Firstly, raw material after drying treatment is injected into a bottle parison by an injection molding machine, and the bottle parison is heated by an oven in twice; then, the bottle parison is drawn and blown for molding by a drawing and blowing machine and is added with a bottom bracket. The bottle parison injects and presses a spiral water cooling channel on the outer wall of a middle mould; a heating mould is arranged in the oven; the top and the bottom of the heating mould are respectively connected with electric heating boards, and cavities are formed between the electric heating boards, etc. Compared with the prior art, the utility model has the advantages of simple structure, convenient installation, convenient maintenance and low cost.
Description
The utility model belongs to the process technology of packaging for foodstuff, is the equipment of producing the PET polyester bottles with two-step method.
The drink variety of producing is various now, but one of characteristics of cola beverages will be inflated present popular application PET PACKAGING BY POLYESTER BOTTLES exactly.Producing the PET polyester bottles has one-step method, and two-step method is also arranged.But existing production equipment exists complex structure more, costs an arm and a leg, installation, debugging, maintenance difficult, and to PET polyester raw material quality requirement height.
The purpose of this utility model is that design is a kind of simple in structure, easy to manufacture, the equipment of the production PET polyester bottles that installation, maintenance is convenient, cost is low.
The so-called two-step method of the utility model be plastics through twice heating, annotate to press, stretch blow carries out step by step, promptly outpours bottle base, post-tensioning blow molding earlier.Main process is: (A) is that to select raw material for use be the PET polyester; (B) is that raw material drying is as adopting vacuum desiccator; (C) is that hot runner mould is adopted in the heating injection moulding; (D) annotates to press bottle base, available common injection machine, and mold cavity bush type spiral is forced cooling; (E) is post bake, and the bottle base that is about to pressure injection heats through the heater temperature control; (F) uses drawing-blowing forming machine stretch blow moulding; (G) adds collet, the processing of collet and installation; (H) is product inspection, packing etc.
Below in conjunction with the accompanying drawing in the example, structure of the present utility model is done detailed explanation.
Fig. 1 is a main flow chart of the present utility model;
Fig. 2 is the structural representation of the utility model pressure injection bottle base mould;
Fig. 3 is the heater schematic top plan view of the utility model bottle base;
Fig. 4 is the heater generalized section of bottle base;
Fig. 5 is the drawing-blowing forming machine schematic diagram;
Fig. 6 is a drawing-blowing forming machine clamping mechanism schematic diagram.
(1) mould during bottle base is annotated and pressed; (2) cooling water channel; (3) bottle base; (4) core rod; (5) heating casing; (6) heating wire; (7) electric hot plate; (8) heated mould; (9) cavity; (10) far ultrared paint; (11) big cylinder; (12) upper bracket plate; (13) lifter plate; (14) little cylinder; (15) packed-piston; (16) inflatable bar; (17) guide rod; (18) external mold; (19) external lock template; (20) outer moving platen; (21) guide rod; (22) balance weight; (23) base; (24) belt pulley; (25) belt; (26) motor; (27) screw rod; (28) supporting base; (29) bearing holder (housing, cover); (30) bearing block; (31) electric appliance box; (32) pneumatic control plate; (33) lower carriage plate; (34) bottleneck press seal head; (35) little cylinder air inlet; (36) bottle blowing air inlet; (37) big cylinder air inlet; (38) the big enterprising gas port of cylinder; (39) interior moving platen; (40) internal mold; (41) alignment pin; (42) mouthful mould; (43) right handed screw; (44) pin; (45) supporting base; (46) belt pulley collision block; (47) meet and discuss; (48) supporting base; (49) external mold interlock plate (50) pad; (51) outer nut; (52) inner rotary nut; (53) outer nut cover; (54) outer locking nut; (55) left-handed screw; (56) axle sleeve; (57) (58) bearing; (59) piece together cap; (60) key; (61) clamp nut; (62) inward turning turn nut; (63) piece together cap.
The first step that the utility model two-step method is produced the PET polyester bottles is the pressure injection bottle base.The pressure injection bottle base can adopt common injection machine, but pressure injection mold adopts die cavity bush type spiral to force cooling, middle mould (1) is arranged in the anchor clamps external mold, in the middle mould core rod (4) is arranged, between middle mould and core rod is that die cavity forms bottle base (3), be characterized on mould (1) outer wall spiral cooling water channel (2) being arranged, the cooling water that injects cooling water channel requires below 12 ℃ bottle base to be cooled to below the crystallization temperature of material in instantaneous.Second step was with bottle base stretch blow moulding.At first with bottle base heating (but bottleneck does not heat), heating is carried out in the baking oven of temperature control, its baking oven is by casing (5), heated mould (8) is arranged in the casing, and heated mould connects electric hot plate (7) up and down, and the heating wire (6) that puts porcelain tube is arranged on the electric hot plate, far ultrared paint (10) is coated on the heated mould surface, cavity (9) is arranged between the heated mould, make the temperature inside the box even, heated mould (8) and electric hot plate (7) can be made by aluminum alloy materials.Temperature is controlled between 100 ℃～160 ℃ during heating.Stretch blow machine on the bottle base after the heating.The stretch blow machine as shown in Figure 5.By mould.Mould roll tight mechanism, support and stretch blow device etc. are formed.Its mould is by interior moving platen (39), internal lock template (39) '.Internal mold (40) and outer moving platen (20), external lock template (19), external molds (18) etc. are formed, there is a mouthful mould (42) inside and outside mould upper end, and it is poor thermal conduction that mouthful mold materials requires, not yielding, the nonmetallic materials of intensity are preferably arranged, constant at 60 ℃～180 ℃ with interior mechanical strength.Mould roll tight mechanism be down, along operated motor (26), motor drives belt pulley (24) by belt (25), collision block (46) is arranged on the belt pulley (24), the belt pulley endoporus matches with the periphery of (47) one ends of meeting and discussing, belt pulley its endoporus when beginning to rotate slips over relative certain angle with meeting and discussing, and just rotates after the projection of the collision block on the belt pulley (46) on meet and discuss (47) collided.Meet and discuss (47) by key (60) drive axle sleeve (56), axle sleeve drives inward turning turn nut (62) and rotates, inward turning turn nut (62) drives right handed screw (43), and right handed screw (43) connects interior moving platen (39) by screw, right handed screw is not rotated, but side-to-side movement under the drive of inward turning turn nut (62), thereby moving platen (39) and internal mold (40) side-to-side movement in driving; Connect left-handed screw (55) because of axle sleeve (56) one ends again, left-handed screw drives inner rotary nut (52), and the inner rotary nut can not rotate, can only be along left-handed screw (55) side-to-side movement, the inner rotary nut drives outer nut cover (53), the outer nut cover drives external mold interlock plate (49), and external mold interlock plate (49) both sides are respectively connecting guide rod (21), and guide rod drives outer moving platen (20) and external mold (18) side-to-side movement.The locking of inside and outside mould and to unclamp be that a power moves simultaneously, speed is identical, direction is opposite.
This stretch blow device is that air compressor machine connects each cylinder by pipeline and pipeline control system, last air inlet (38) air inlet when big cylinder (11), piston in the cylinder (11) promotes lifter plate (13) and moves downward, little cylinder (14) air inlet (35) air inlet simultaneously, promoting packed-piston (15) makes bottleneck press seal head (34) seal tight bottleneck, bottle blowing air inlet (36) air inlet on the lifter plate (13) is blown in bottle by inflatable bar (15).Inflatable bar (15) penetrate in the packed-piston (15) and little cylinder (14) in.Bottle blowing finishes, following air inlet (37) air inlet of big cylinder (11), and lifter plate (13) rises.
The production equipment of the utility model two-step method is not limited to be used for producing the PET polyester bottles, also is applicable to other macromolecule raw material production plastic bottle.
The utility model is produced the equipment of PET polyester bottles, compared with the prior art, has simple in structurely, easy to manufacture, and installation, maintenance is convenient, and is with low cost.
Claims (2)
1, two-step method is produced the equipment of PET polyester bottles, earlier outpour bottle base with injection machine, bottle base passes through the baking oven post bake again after cooling, stretch blow machine stretch blow moulding on the bottle base after the heating, the stretch blow machine is made up of tight mechanism of rolling of mould, mould and blowning installation etc., mould be interior moving platen (39) connect internal lock template (39) ', internal mold (40) is connected external lock template (19), external mold (18) with outer moving platen (20); The tight mechanism of rolling of mould is motor (26), and motor is by belt (25) drags pulley (24); This stretch blow device is that air compressor machine connects each air inlet by pipeline and pipeline control system, and it is characterized in that has spiral cooling water channel (2) on mould (1) outer wall in the bottle base notes pressure, and the cooling water of injection requires below 12 ℃; Baking oven is by the heated mould (8) in the casing (5), the heated mould inner surface is coated far ultrared paint, and heated mould respectively connects electric hot plate (7) up and down, is putting heating wire (6) on the electric hot plate, cavity (9) is arranged between the heated mould, and temperature is controlled between 100 ℃～160 ℃ in the baking oven; There is a mouthful mould (42) upper end at internal mold (40) and external mold (18), and mouthful mould adopts nonmetallic materials, requires constant with interior mechanical strength at 60 ℃～180 ℃; Mould rolls on the belt pulley (24) of tight mechanism collision block (46), the belt pulley endoporus matches with the periphery of (47) one ends of meeting and discussing, after the projection contact of the collision block on the belt pulley (46) on meet and discuss (47), rotate, meet and discuss and drive axle sleeve (56), axle sleeve drives inward turning turn nut (62) and rotates, and the inward turning turn nut drives right rotation screw rod (43) side-to-side movement; Moving platen (39), internal mold (40) side-to-side movement in right handed screw drives; Because of axle sleeve (56) one ends connect anticlockwise screw rod (55), anticlockwise screw rod (55) drives inner rotary nut (52) and makes its side-to-side movement, the inner rotary nut drives outer nut cover (53), the outer nut cover drives external mold interlock plate (49), external mold interlock plate both sides are respectively connecting guide rod (21), and guide rod drives outer moving platen (20) and external mold (18) side-to-side movement; Last air inlet (38) air inlet when big cylinder (11), piston in the cylinder promotes lifter plate (13) and moves downward, little cylinder (14) air inlet (35) air inlet simultaneously, promoting packed-piston (15) makes bottleneck press seal head (34) seal tight bottleneck, then bottle blowing air inlet (36) air inlet on the lifter plate is blown in bottle by inflatable bar (16).
2, two-step method as claimed in claim 1 is produced the equipment of PET polyester bottles, it is characterized in that the heated mould (8) of baking oven and electric hot plate (7) made by aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88221248 CN2055085U (en) | 1988-12-14 | 1988-12-14 | Apparatus for producing pet polyester bottle by two-step method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88221248 CN2055085U (en) | 1988-12-14 | 1988-12-14 | Apparatus for producing pet polyester bottle by two-step method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2055085U true CN2055085U (en) | 1990-03-28 |
Family
ID=4853310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88221248 Withdrawn CN2055085U (en) | 1988-12-14 | 1988-12-14 | Apparatus for producing pet polyester bottle by two-step method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2055085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076270C (en) * | 1998-08-20 | 2001-12-19 | 张钧谓 | Blank tube heating method for blowing polyethylene glycol terephthalate plastic bottle |
| CN108673917A (en) * | 2018-05-23 | 2018-10-19 | 云南淡定人生食品有限公司 | A kind of disposably bucket used for canned water and its production technology |
-
1988
- 1988-12-14 CN CN 88221248 patent/CN2055085U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076270C (en) * | 1998-08-20 | 2001-12-19 | 张钧谓 | Blank tube heating method for blowing polyethylene glycol terephthalate plastic bottle |
| CN108673917A (en) * | 2018-05-23 | 2018-10-19 | 云南淡定人生食品有限公司 | A kind of disposably bucket used for canned water and its production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |