CN202016193U

CN202016193U - Multi-station plastic tensile bottle blowing machine

Info

Publication number: CN202016193U
Application number: CN2011200691637U
Authority: CN
Inventors: 陈顺君
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-16
Filing date: 2011-03-16
Publication date: 2011-10-26
Anticipated expiration: 2021-03-16

Abstract

A multi-station plastic tensile bottle blowing machine comprises a plastic bottle blowing machine frame, a front mold plate, a middle mold plate, and a rear mold plate, wherein slit molds of a mold are mounted in the front mold plate and the middle plate, a bottom mold is arranged at the lower end of the mold, the bottom mold is connected with a bottom mold elevating mechanism, a drawing mechanism is arranged above the mold, a mold closing air cylinder is arranged at the rear end of the rear mold plate, and the front, the middle and the rear mold plates are connected through a guide pole. The multi-station plastic tensile bottle blowing machine is characterized in that a cylinder cavity is formd on one side of the middle mold plate, which is in contact with the mold, an air inlet hole is formed on the inner wall of the cylinder cavity, a piston is mounted at the opening part of the cylinder cavity, a pressure charging plate is mounted between the middle mold plate and the mold, and the pressure charging plate is matched with the mold through a piston. After mold closing of the mold, air is supplied to the cylinder cavity from the air inlet hole, the piston is pushed outward, the piston pushes the pressure charging plate, then the pressure charging plate applies force on the mold, and the mold on the middle mold plate is squeezed forward, so as to enable the two slit molds to the closed tightly. Therefore, product quality and aesthetic appearance can be enusred.

Description

Multistation plastic stretching bottle blowing machine

Technical field

The utility model relates to a kind of multistation plastic stretching bottle blowing machine, particularly relates to the mould supercharging locking device and the drawing mechanism of blower for plastic bottle.

Background technology

Blower for plastic bottle all needs sealing cylinder that bottle preform mouth portion is sealed in bottle blowing, passes sealing cylinder by draft cylinder drive stretching bar again the bottle embryo is stretched.The Stretch and Blow Mechanism of existing blower for plastic bottle mostly is that stretching pole pair bottle embryo of a draft cylinder drive carries out drawing and forming, if in the bottle blowing machine of multistation, just need drive a stretching pole pair bottle embryo drawing and forming separately by a plurality of draft cylinders, the shortcoming of its existence is: a plurality of draft cylinders are self contained function separately, will exist action inconsistent, also have not drawing and forming of part bottle when causing the mould die sinking, cause and scrap.The opposing party, blower for plastic bottle two slit bamboo or chopped wood moulds when bottle blowing all need closed closely, if no tight closure, the slit that exists between the two slit bamboo or chopped wood moulds, will cause the outer wall that blows out bottle the line (being parting line) of a protrusion to occur, thereby influence the attractive in appearance of bottle profile, if excesssive gap between the two slit bamboo or chopped wood moulds more can cause the bottle that blows out to scrap even can't blow out.The mould of existing blower for plastic bottle mostly is to promote moving platen by the matched moulds cylinder mould matched moulds is closed tightly, but because the thrust of matched moulds cylinder is limited, and do not have other auxiliary locking device, so mould often can't close the percent defective height.

Summary of the invention

The purpose of this utility model is in order to overcome the shortcoming of prior art, to provide a kind of thrust big, and it is firm to lock, and makes the mould tight close, and the stretching action consistency is good, guarantees the multistation plastic stretching bottle blowing machine of shaped bottle protonatomic mass.

The technical scheme of the utility model multistation plastic stretching bottle blowing machine is: comprise the blower for plastic bottle frame, front template, middle template and rear pattern plate, preceding, in the middle template slit bamboo or chopped wood mould is installed separately, there is bed die the lower end of mould, bed die connects the bed die elevating mechanism, there is drawing mechanism the top of mould, the matched moulds cylinder is installed in rear end at rear pattern plate, before, in, rear pattern plate links to each other by guide pillar, it is characterized in that described in the side that contacts with mould of template open the cylinder chamber, have air admission hole at the cylinder cavity wall, piston is installed by cylinder accent portion, between middle template and mould pressuring plate is installed, and pressuring plate matches with mould by piston.

Multistation plastic stretching bottle blowing machine of the present utility model, open the cylinder chamber by a side that contacts with mould in middle template, in the cylinder chamber, piston is installed, between middle template and mould, pressuring plate is installed, behind the mould matched moulds, in the cylinder chamber with gas template from air admission hole is transported to, pressure by gas outwards promotes piston, piston promotes pressuring plate, pressuring plate is used in masterpiece on the mould again, and the mould on the middle template is pushed forward, makes two slit bamboo or chopped wood moulds reach tight closure, thereby the parting line that makes the moulding bottle is tiny or do not see, has guaranteed the quality and the good looking appearance of product.

Multistation plastic stretching bottle blowing machine of the present utility model, the rear side of template is installed the supercharging post in described, in the supercharging post, pressurized spring is installed, pressurized spring matches with supercharging post and middle template, middle template is subjected to the extruding force of pressurized spring, and the mould in making on the template is difficult for being backed down when the matched moulds bottle blowing.The rear side of template is installed the locking post in described, open locking groove on the locking post, in rear pattern plate, convince the hole by patient analysis, guide hole matches with the locking post, in the rear pattern plate front side latch segment is installed, and locking cylinder is arranged on the latch segment, the piston rod of locking cylinder drives latch segment and matches with locking slot, had latch segment to drink locking slot, in making template when matched moulds, lock, fixed, guarantee the tight of mould closure.Described bed die elevating mechanism is included in the bed die air cylinder fixed plate is installed on the frame, open perforation in the bed die air cylinder fixed plate, fixing bed die cylinder under the bed die air cylinder fixed plate, on the bed die air cylinder fixed plate lifter plate is arranged, bed die is installed on the lifter plate, be equipped with guide rod under the lifter plate, guide rod matches with perforation, the piston rod of bed die cylinder passes bed die air cylinder fixed plate drive lifter plate and bed die moves up and down, the bed die cylinder drives a plurality of bed dies simultaneously by lifter plate and moves up and down, bed die is kept strokes, guarantee the bottle blowing quality.Described drawing mechanism is included in mould top mounting plate, fixed head two fixes by bolt and frame, guide pillar is being installed and sealing cylinder arranged side by side more than two on the fixed head, under sealing cylinder, be equipped with and seal, seal with bottle preform mouth portion and match, outside guide pillar, be equipped with movable plate, fixing stretching bar under the movable plate, the stretching bar passes sealing cylinder and seals with the bottle embryo and match, the draft cylinder fixed head is installed on guide pillar top, draft cylinder fixed head two and frame fix, and on the draft cylinder fixed head draft cylinder are installed, and the piston rod of draft cylinder passes draft cylinder fixed head drive movable plate and moves up and down.During work, the piston rod of draft cylinder drives movable plate and moves up and down on guide pillar, movable plate drive simultaneously many stretching bars pass draft cylinder in the mould the bottle embryo stretch, the stretching bar is fixed on the movable plate, driving every stretching bar by movable plate moves simultaneously, make stretching bar action consistency good, bottle stretch blow simultaneously moulding, thus reduced the scrappage of producing bottle.2-8 sealing cylinder arranged side by side is installed on the described fixed head, and corresponding stretching bar is the 2-8 root, is applicable in the drawing mechanism of 2-8 station bottle blowing machine.Mounting guide sleeve in the described movable plate, movable plate matches with guide pillar by guide pin bushing, and guide pin bushing has been arranged, and reduces the wearing and tearing between movable plate and the guide pillar, improves the service life of movable plate and guide pillar.

Description of drawings

Fig. 1 is a mould supercharging locking device structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of bed die elevating mechanism of the present utility model;

Fig. 3 is a drawing mechanism structural representation of the present utility model;

Fig. 4 is that the A of Fig. 3 is to schematic diagram.

The specific embodiment

The utility model relates to a kind of multistation plastic stretching bottle blowing machine, as Fig. 1-shown in Figure 4, comprise blower for plastic bottle frame 11, front template 12, middle template 13 and rear pattern plate 14, preceding, in the middle template slit bamboo or chopped wood mould 2 is installed separately, there is bed die 3 lower end of mould, bed die connects the bed die elevating mechanism, there is drawing mechanism the top of mould, matched moulds cylinder 18 is installed in rear end at rear pattern plate, before, in, rear pattern plate links to each other by guide pillar 4, it is characterized in that described in the side that contacts with mould 2 of template 13 open cylinder chamber 15, have air admission hole 16 at the cylinder cavity wall, piston 5 is installed by cylinder accent portion, and pressuring plate 6 is installed between middle template and mould, and pressuring plate matches with mould by piston 5.This programme is opened cylinder chamber 15 by a side that contacts with mould in middle template 13, piston 5 is installed in cylinder chamber 15, pressuring plate 6 is installed between middle template and mould, behind the mould matched moulds, in the cylinder chamber 15 with gas template 13 from air admission hole 16 is transported to, pressure by gas outwards promotes piston 5, piston 5 promotes pressuring plate 6, pressuring plate 6 is used in masterpiece on the mould again, mould on the middle template is pushed forward, make two slit bamboo or chopped wood moulds reach tight closure, thereby make the parting line of moulding bottle tiny or do not see, guaranteed the quality and the good looking appearance of product.The rear side of template 13 is installed supercharging post 7 in described, and pressurized spring 71 is installed in the supercharging post, and pressurized spring matches with supercharging post and middle template 13, and middle template is subjected to the extruding force of pressurized spring, and the mould in making on the template is difficult for being backed down when the matched moulds bottle blowing.The rear side of template 13 is installed locking post 8 in described, open locking groove 81 on the locking post, in rear pattern plate 14, convince hole 17 by patient analysis, guide hole matches with the locking post, and latch segment 9 is installed in the rear pattern plate front side, and locking cylinder 91 is arranged on the latch segment, the piston rod of locking cylinder drives latch segment and matches with locking slot 81, had latch segment to drink locking slot, in making template when matched moulds, lock, fixed, guarantee the tight of mould closure.Described bed die elevating mechanism is included in bed die air cylinder fixed plate 31 is installed on the frame 11, open perforation 32 in the bed die air cylinder fixed plate, fixing bed die cylinder 33 under the bed die air cylinder fixed plate, lifter plate 34 is arranged on the bed die air cylinder fixed plate, bed die 3 is installed on the lifter plate, be equipped with guide rod 35 under the lifter plate, guide rod matches with perforation, the piston rod of bed die cylinder 33 passes bed die air cylinder fixed plate 31 drive lifter plates 34 and bed die 3 moves up and down, the bed die cylinder drives a plurality of bed dies simultaneously by lifter plate and moves up and down, bed die is kept strokes, guarantee the bottle blowing quality.Described drawing mechanism is included in mould top mounting plate 101, fixed head two fixes by bolt and frame, guide pillar 102 is being installed and sealing cylinder 103 arranged side by side more than two on the fixed head 101, under sealing cylinder, be equipped with and seal 131, seal with bottle preform mouth portion and match, outside guide pillar 102, be equipped with movable plate 121, fixing stretching bar 122 under the movable plate, the stretching bar passes sealing cylinder 103 and seals 131 and match with a bottle embryo, draft cylinder fixed head 104 is installed on guide pillar 102 tops, draft cylinder fixed head two and frame fix, draft cylinder 141 is installed on the draft cylinder fixed head, and the piston rod 142 of draft cylinder passes draft cylinder fixed head 104 drive movable plates 121 and moves up and down.During work, the piston rod of draft cylinder drives movable plate and moves up and down on guide pillar, movable plate drive simultaneously many stretching bars pass draft cylinder in the mould the bottle embryo stretch, the stretching bar is fixed on the movable plate, driving every stretching bar by movable plate moves simultaneously, make stretching bar action consistency good, bottle stretch blow simultaneously moulding, thus reduced the scrappage of producing bottle.2-8 sealing cylinder 103 arranged side by side is installed on the described fixed head 101, and corresponding stretching bar 122 is the 2-8 root, is applicable in the drawing mechanism of 2-8 station bottle blowing machine.Mounting guide sleeve 123 in the described movable plate 121, movable plate matches with guide pillar 102 by guide pin bushing, and guide pin bushing has been arranged, and reduces the wearing and tearing between movable plate and the guide pillar, improves the service life of movable plate and guide pillar.

Claims

1. multistation plastic stretching bottle blowing machine, comprise blower for plastic bottle frame (11), front template (12), middle template (13) and rear pattern plate (14), preceding, in the middle template slit bamboo or chopped wood mould (2) is installed separately, there is bed die (3) lower end of mould, bed die connects the bed die elevating mechanism, there is drawing mechanism the top of mould, matched moulds cylinder (18) is installed in rear end at rear pattern plate, before, in, rear pattern plate links to each other by guide pillar (4), it is characterized in that described in the side that contacts with mould (2) of template (13) open cylinder chamber (15), have air admission hole (16) at the cylinder cavity wall, piston (5) is installed by cylinder accent portion, pressuring plate (6) is installed between middle template and mould, and pressuring plate matches with mould by piston (5).

2. multistation plastic stretching bottle blowing machine as claimed in claim 1 is characterized in that the rear side of described middle template (13) is installed supercharging post (7), and pressurized spring (71) is installed in the supercharging post, and pressurized spring matches with supercharging post and middle template (13).

3. multistation plastic stretching bottle blowing machine as claimed in claim 1, the rear side that it is characterized in that described middle template (13) is installed locking post (8), open locking groove (81) on the locking post, in rear pattern plate (14), convince hole (17) by patient analysis, guide hole matches with the locking post, latch segment (9) is installed in the rear pattern plate front side, locking cylinder (91) is arranged on the latch segment, the piston rod of locking cylinder drives latch segment and matches with locking slot (81).

4. multistation plastic stretching bottle blowing machine as claimed in claim 1, it is characterized in that described bed die elevating mechanism is included in frame (11) and goes up installation bed die air cylinder fixed plate (31), open perforation (32) in the bed die air cylinder fixed plate, fixing bed die cylinder (33) under the bed die air cylinder fixed plate, lifter plate (34) is arranged on the bed die air cylinder fixed plate, bed die (3) is installed on the lifter plate, be equipped with guide rod (35) under the lifter plate, guide rod matches with perforation, and the piston rod of bed die cylinder (33) passes bed die air cylinder fixed plate (31) drive lifter plate (34) and bed die (3) moves up and down.

5. multistation plastic stretching bottle blowing machine as claimed in claim 1, it is characterized in that described drawing mechanism is included in mould top mounting plate (101), fixed head two fixes by bolt and frame, guide pillar (102) go up to be installed and sealing cylinder (103) arranged side by side more than two at fixed head (101), under sealing cylinder, be equipped with and seal (131), seal with bottle preform mouth portion and match, outside guide pillar (102), be equipped with movable plate (121), fixing stretching bar (122) under the movable plate, the stretching bar passes sealing cylinder (103) and seals (131) and match with the bottle embryo, draft cylinder fixed head (104) is installed on guide pillar (102) top, draft cylinder fixed head two and frame fix, draft cylinder (141) is installed on the draft cylinder fixed head, and the piston rod of draft cylinder (142) passes draft cylinder fixed head (104) drive movable plate (121) and moves up and down.

6. multistation plastic stretching bottle blowing machine as claimed in claim 5 is characterized in that upward 2-8 sealing cylinder (103) arranged side by side of installation of described fixed head (101), and corresponding stretching bar (122) is the 2-8 root.

7. multistation plastic stretching bottle blowing machine as claimed in claim 5 is characterized in that mounting guide sleeve (123) in the described movable plate (121), and movable plate matches with guide pillar (102) by guide pin bushing.