CN104527037B - Blow needle device in blow molding machine - Google Patents
Blow needle device in blow molding machine Download PDFInfo
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- CN104527037B CN104527037B CN201410757704.3A CN201410757704A CN104527037B CN 104527037 B CN104527037 B CN 104527037B CN 201410757704 A CN201410757704 A CN 201410757704A CN 104527037 B CN104527037 B CN 104527037B
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- blow needle
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- connected body
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- adjusting rod
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Abstract
The invention discloses the blow needle device in blow molding machine, including：It is installed on the blow needle seat on lift cylinder piston rod, blow needle is located in blow needle seat by blow needle connected body, blow needle seat offers a pair of guide grooves on upper surface, regulating block is provided with per pass guide groove, every piece of regulating block is connected with tension adjusting rod respectively, and blow needle connected body can be pulled to the right by regulating block by tensing adjusting rod；Be threaded with blow needle seat can promote blow needle connected body to the left hold out against adjusting rod, it is in that the relative clamping shape in left and right clamps blow needle connected body to make two pieces of regulating blocks and hold out against adjusting rod, horizontal mounting plate and lower horizontal mounting plate on being additionally provided with frame, lower horizontal mounting plate is provided with annular groove, the ring baffle of annular air cavity can be formed with lower horizontal mounting plate by being provided with the top of lower horizontal mounting plate, provided with air intake passage and annular air passage, the bottleneck overlap of the downward aligned bottles of annular air passage on lower horizontal mounting plate.The present invention has the advantages that blow needle position in blow needle seat can be adjusted.
Description
Technical field
The present invention relates to the blow needle device in blow molding machine.
Background technology
During blow molding machine is a kind of conventional blowing device, the blow-molding process of blow molding machine：By the plastics after heating
Solid particle obtains tubular plastic parison after head extrusion, then tubular plastic parison is placed in clamping, by matched moulds
Tubular plastic parison is pressed into bottle base after mechanism matched moulds, the bottle blowing work for then making clamping move to bottle base below blow needle device
Position, then makes blow needle device be blown into compressed air into the bottle base positioned at bottle blowing station, makes bottle base inflation and be close to clapper die spotting press
Bottle is formed on the mould intracavity wall of structure, the bottleneck for being blow molded the bottle of shaping can be with a circle bottleneck overlap.Used at present
The structure of blow needle device be：Lift cylinder vertically is installed in the frame directly over the bottle base positioned at bottle blowing station, lifted
Blow needle seat is fixed with the piston rod of cylinder, the stairstepping through hole of up/down perforation blow needle seat is offered in blow needle seat, in blow needle
Activity is equipped with blow needle, blow needle connected body of the top suit with the shaft shoulder of blow needle, when blow needle insertion in the stairstepping through hole of seat
After blow needle seat, the shaft shoulder of blow needle connected body is just against on the cascaded surface of stairstepping through hole, blow needle is connected with blow needle seat,
The gas blow pipe that the bottleneck for the bottle base that can be pointed to bottle blowing station is blown a cold wind over is additionally provided with frame.The work of above-mentioned blow needle device is former
Reason is：Clamping moves to bottle base after the bottle blowing station immediately below blow needle, and the piston rod of lift cylinder is extended downwardly from, and drive is blown
Needle stand is moved down, synchronous to drive blow needle to be downwardly into bottle base, during lift cylinder synchronously drives blow needle to enter bottle base, is blown
Guan Huixiang bottle base bottleneck blow-through cold wind, so that the bottleneck and bottleneck overlap to bottle base are cooled down；When bottle base is formed by inflation
After bottle, the piston rod of lift cylinder is retracted upwards, drives blow needle seat and blow needle to leave bottle base.The shortcoming of above-mentioned blow needle device
It is：On the one hand：Blow needle position can only be adjusted by adjusting the position of blow needle seat, it is impossible to which position of the blow needle in blow needle seat is entered
Row accurate adjustment, is even more to be difficult to accurate adjustment for the bull blow needle device with multiple blow needles, and because blow needle seat is with blowing
Gap can be left between pin connected body unavoidably, causes blow needle connected body easily to occur radially to alter in the stairstepping through hole of blow needle seat
It is dynamic, so that synchronous drive blow needle to occur radial-play in the stairstepping through hole of blow needle seat, make blow needle can not in blow-molding process
All the time bottle base of the alignment in the clamping of bottle blowing station downwards, job stability is low, for blowing be smoothed out bury
Hidden danger；On the other hand：The bottleneck size requirement of bottle base is strict, but gas blow pipe is cold to the bottleneck and bottleneck overlap blow-through of bottle
After wind, the air force that the bottleneck of bottle and each position of bottleneck overlap are subject to is uneven, is not only easily caused the bottleneck deformation of bottle,
So as to reduce the product qualified rate of bottle, and each position inhomogeneous cooling of bottleneck overlap can be made and cause bottleneck overlap to be difficult
Come off, be unfavorable for the deflashing operation in rear road, reduce operating efficiency.
The content of the invention
The deformation and can be to blow needle in blow needle seat in cooling it is an object of the invention to provide a kind of bottleneck that can prevent bottle
In position carry out accurate adjustment blow molding machine in blow needle device.
To achieve the above object, present invention employs following technical scheme：Blow needle device in described blow molding machine,
Including：Frame, vertically lift cylinder, the piston of lift cylinder are provided with the frame directly over the bottle base positioned at bottle blowing station
Blow needle seat is installed, blow needle is arranged in blow needle seat by blow needle connected body on bar, on the blow needle seat on the right side of blow needle connected body
It is threaded with and holds out against adjusting rod, the one end for holding out against adjusting rod stretches into blow needle seat and can head on blow needle connected body and push away to the left to the left
A pair of guide grooves are offered on dynamic blow needle connected body, the upper surface of the blow needle seat on the left of blow needle connected body, twice guide groove is symmetrically
Positioned at the front and rear sides of blow needle connected body, the regulating block that can be moved along guide groove is respectively arranged with per pass guide groove, tune is being held out against
Tension adjusting rod is threaded with respectively on the blow needle seat of pole front and rear sides, and one end of every tension adjusting rod is stretched to the left respectively
Enter blow needle seat and mutually fixed with the regulating block of its homonymy, blow needle connected body can be pulled to the right by regulating block by tensing adjusting rod, be made
Two pieces of regulating blocks are with holding out against adjusting rod in the relative clamping shape clamping blow needle connected body in left and right；Positioned at the bottle base of bottle blowing station just on
The upper horizontal mounting plate and lower horizontal mounting plate in interval connection up and down are additionally provided with the frame of side, blow needle activity passes through upper water
Flat installing plate and lower horizontal mounting plate, a ring annular groove is offered in the upper surface of lower horizontal mounting plate around blow needle component,
The ring baffle of annular groove can be covered downwards by being additionally provided with the top of lower horizontal mounting plate, make ring baffle and lower level
Annular air cavity is formed between installing plate, the air intake passage being connected with annular air cavity and annular are offered on lower horizontal mounting plate
Air-out passage, annular air passage is located at around the round wind outlet alignment downwards of blow needle setting and annular air passage to be blown
The madial wall of the bottleneck overlap of the bottle for being blow molded shaping of bottle station.
Further, the blow needle device in foregoing blow molding machine, wherein：To push blow needle connection on the regulating block
The position of junctor outer circle wall is in the arc being engaged with blow needle connected body outer circle wall.
Further, the blow needle device in foregoing blow molding machine, wherein：The annular air of the annular air passage
Mouth is less than the circular air inlet mouthful of annular air passage.
By the implementation of above-mentioned technical proposal, the beneficial effects of the invention are as follows：（1）It is simple in construction, convenient to install and maintain, energy
Position of the blow needle in blow needle seat is accurately adjusted, prevents blow needle from occurring radially to alter in the stairstepping through hole of blow needle seat
It is dynamic, the blow needle being installed on blow needle connected body is directed at the clamping positioned at bottle blowing station downwards all the time in blow-molding process
In bottle base；（2）Each position cooling of bottleneck and bottleneck overlap of bottle can be made uniform, prevent the bottleneck of bottle from deforming.
Brief description of the drawings
Fig. 1 be blow molding machine of the present invention in blow needle device structural representation.
Fig. 2 is the blow needle connected body shown in overlook direction in Fig. 1 and the annexation schematic diagram of blow needle seat.
Fig. 3 is the enlarged diagram at the H positions shown in Fig. 1.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3 shows, the blow needle device in described blow molding machine, including：Frame 1, positioned at bottle blowing
Vertical be provided with lift cylinder 3, the piston rod of lift cylinder 3 is fixed with blow needle seat in frame 1 directly over the bottle base of station
4, the stairstepping through hole of up/down perforation blow needle seat 4 is offered in blow needle seat 4, blow needle 5 is movably arranged on by blow needle connected body 6
In the stairstepping through hole of blow needle seat 4, it is threaded with the blow needle seat 4 on the right side of blow needle connected body 6 and holds out against adjusting rod 10, held out against
The outer circle wall that one end of adjusting rod 10 is stretched into blow needle seat 4 and can pressed closer on the right side of blow needle connected body 6 to the left promotes blow needle to the left
Connected body 6, offers a pair of guide grooves 7, twice guide groove 7 is symmetrically located on 4 upper surfaces of blow needle seat in the left side of blow needle connected body 6
The front and rear sides of blow needle connected body 6, are respectively arranged with the regulating block 8 that can be moved along guide groove 7, every piece of regulation in per pass guide groove 7
After block 8 moves right along respective guide groove 7, it can be in contact with the outer circle wall in the left side of blow needle connected body 6,10 before adjusting rod is held out against
Tension adjusting rod 9 is threaded with respectively on the blow needle seat 4 of both sides afterwards, and one end of every tension adjusting rod 9 is stretched into the left respectively
Blow needle seat 4 is simultaneously mutually fixed with the regulating block 8 of its homonymy, after tension adjusting rod 9 are pulled to the right, and tune can be passed through by tensing adjusting rod 9
Locking nub 8 pulls to the right blow needle connected body 6, and it is in that the relative clamping shape in left and right clamps blow needle to make two pieces of regulating blocks 8 and hold out against adjusting rod 10
It is additionally provided with and is horizontally mounted in interval connection up and down in connected body 6, the frame 1 directly over the bottle base positioned at bottle blowing station
Plate 11 and lower horizontal mounting plate 12, the activity of blow needle 5 are horizontally mounted through upper horizontal mounting plate 11 and lower horizontal mounting plate 12 under
The upper surface of plate 12 offers a ring annular groove 13 around blow needle component, and energy is additionally provided with the top of lower horizontal mounting plate 12
The ring baffle 14 of annular groove 13 is covered downwards, makes to form annular gas between ring baffle 14 and lower horizontal mounting plate 12
Chamber, offers the air intake passage 15 and annular air passage 16 being connected with annular air cavity, annular on lower horizontal mounting plate 12
Air-out passage 16 is set around blow needle 5 and the round wind outlet of annular air passage 16 is aligned downwards positioned at bottle blowing station
It is blow molded the madial wall of the bottleneck overlap 17 of the bottle 2 of shaping；In the present embodiment, to push blow needle on the regulating block 8
The position of the outer circle wall of connected body 6 is in the arc that is engaged with the outer circle wall of blow needle connected body 6, can so reduce regulating block 8 with
Mutual frictional force between blow needle connected body 6, it is to avoid blow needle connected body 6 is because the frictional force between regulating block 8 is excessive and damages；
In the present embodiment, the round wind outlet of the annular air passage 16 is less than the circular air inlet mouthful of annular air passage, so
Through annular air passage 16 round wind outlet output after gas gas flow rate faster, so as to faster be blow molded shaping
The bottleneck and bottleneck overlap 17 of bottle 2 are cooled down；
The operation principle of the present invention is as follows：
Clamping moves to bottle base 2 after the bottle blowing station immediately below blow needle 5, first adjusts blow needle 5 in blow needle 4 middle positions of seat
Put, make the alignment bottle base downwards of blow needle 5, when blow needle 5 need to be moved to the left, first rotate forward two tension adjusting rods 9, promote and tense
Adjusting rod 9 is moved to the left, until after regulating block 8 is synchronously pushed into the position that blow needle connected body 6 need to be reached to the left along guide groove 7 again
Stop the rotation two tension adjusting rods 9, then rotates forward again and holds out against adjusting rod 10, will hold out against adjusting rod 10 and is moved to the left,
Hold out against during adjusting rod 10 is moved to the left, hold out against adjusting rod 10 and can head on blow needle connected body 6 and be moved to the left together, when holding out against
When blow needle connected body 6 is pushed into be pressed against regulating block 8 by adjusting rod 10, continues to rotate forward and hold out against adjusting rod 10, until holding out against regulation
Bar 10 and two regulating blocks 8 stop the rotation after in the relative clamping shape in left and right, blow needle connected body 6 is fixed holds out against adjusting rod 10, so that
Complete the shift left operation to blow needle 5；When blow needle 5 need to move right, first reversely rotate and hold out against adjusting rod 10, adjusting rod will be held out against
10, which move right to blow needle connected body 6 to need to stop the rotation again after adjustment position, holds out against adjusting rod 10, and two are then reversely rotated again
Adjusting rod 9 is tensed, pulls tension adjusting rod 9 to move right, it is synchronous to drive regulating block 8 to move right, moved right in regulating block 8
During, regulating block 8 can head on blow needle connected body 6 and move right together, when tensing adjusting rod 9 by regulating block 8 by blow needle
Connected body 6 is pulled to and tenses adjusting rod 9 against when holding out against adjusting rod 10, continuing to reversely rotate, until two pieces of regulating blocks 8 and holding out against tune
Pole 10 stops the rotation again after in the relative clamping shape in left and right, blow needle connected body 6 is fixed tenses adjusting rod 9, so as to complete to blow needle
5 right-shift operation, by aforesaid operations, with regard to that can adjust position of the blow needle 5 in blow needle seat 4, and makes blow needle 5 in blow needle seat 4
In will not occur radial-play, it is ensured that blow needle 5 in blow-molding process all the time downwards alignment bottle base；When by blow needle 5 downwards alignment bottle
During base, the piston rod of lift cylinder 3 is extended downwardly from, drive blow needle seat 4 to move down, it is synchronous to drive blow needle 5 to be downwardly into bottle base simultaneously
Blown into bottle base, after forming bottle 2 when bottle base air blowing completion, the bottleneck of the bottle 2 of blow molding can be with a circle bottleneck
Overlap 17, is then blown into air intake passage 15 by the air inlet of cold wind from air intake passage 15, into air intake passage 15 cold wind again from
The gas outlet of air intake passage 15 enters in annular air cavity, and the cold wind in annular air cavity is again from the annular air inlet of annular air passage 16
Mouthful enter annular air passage 16, round wind outlet of the cold wind again from annular air passage 16 into annular air passage 16 is blown
To the madial wall of the bottleneck overlap 17 for the bottle 2 for being blow molded shaping, so as to be cooled down to bottleneck overlap 17, cold wind reaches bottleneck
Also it may proceed to after overlap 17 along bottleneck overlap 17 downwards by the bottleneck of bottle 2, so as to be cooled down to the bottleneck of bottle 2；By
After cold wind sprays through annular air passage 16, the uniform annular airflow of air quantity can be produced, so that the bottleneck and bottleneck of bottle 2
The air force that overlap 17 is subject to is consistent, prevents the bottleneck and bottleneck of bottle 2 from flying 17 and being deformed because uneven by air quantity
Scrap, substantially increase the product qualified rate of bottle 2；And the annular airflow sprayed through annular air passage 16 blows to bottleneck and flown
Behind side 17, bottleneck overlap 17 can be made to be flared out by center, bottleneck overlap 17 is not interfered with moving up and down for blow needle 5, more have
The bottleneck of bottle 2 is downwardly into beneficial to blow needle 5；It is an advantage of the invention that：（1）It is simple in construction, it is convenient to install and maintain, can be to blow needle
Position in blow needle seat is accurately adjusted, and is prevented blow needle from occurring radial-play in the stairstepping through hole of blow needle seat, is made peace
The bottle in the clamping of bottle blowing station can be directed at downwards all the time in blow-molding process loaded on the blow needle on blow needle connected body
Base；（2）Each position cooling of bottleneck and bottleneck overlap of bottle can be made uniform, prevent from being blow molded the bottleneck deformation of the bottle of shaping,
And be conducive to coming off for bottleneck overlap.
Claims (1)
1. the blow needle device in blow molding machine, including：Frame, it is vertical in the frame directly over the bottle base positioned at bottle blowing station
It is provided with lift cylinder, the piston rod of lift cylinder and blow needle seat is installed, blow needle is arranged on blow needle seat by blow needle connected body
In, it is characterised in that：It is threaded with blow needle seat on the right side of blow needle connected body and holds out against adjusting rod, holds out against one end of adjusting rod
Blow needle seat is stretched into the left and blow needle connected body can be headed on promotes blow needle connected body to the left, the blow needle seat on the left of blow needle connected body
Upper surface on offer a pair of guide grooves, twice guide groove is symmetrically located at the front and rear sides of blow needle connected body, in per pass guide groove
The regulating block that can be moved along guide groove is respectively arranged with, drawing is threaded with respectively on the blow needle seat for holding out against adjusting rod front and rear sides
Tight adjusting rod, one end of every tension adjusting rod is stretched into blow needle seat and mutually fixed with the regulating block of its homonymy to the left respectively, tenses
Adjusting rod can pull blow needle connected body to the right by regulating block, make two pieces of regulating blocks and hold out against adjusting rod in the relative clamping shape in left and right
Clamp blow needle connected body；The upper water in interval connection up and down is additionally provided with the frame directly over the bottle base positioned at bottle blowing station
Flat installing plate and lower horizontal mounting plate, blow needle activity is through upper horizontal mounting plate and lower horizontal mounting plate, in lower horizontal mounting plate
Upper surface offer a ring annular groove around blow needle component, be additionally provided with and can cover downwards at the top of lower horizontal mounting plate
Firmly the ring baffle of annular groove, makes to form annular air cavity between ring baffle and lower horizontal mounting plate, in lower horizontal mounting plate
On offer the air intake passage that is connected with annular air cavity and annular air passage, annular air passage is set, simultaneously around blow needle
And the alignment downwards of the round wind outlet of annular air passage is positioned at the bottleneck overlap of the bottle for being blow molded shaping of bottle blowing station
Position on madial wall, the regulating block to push blow needle connected body outer circle wall is in match with blow needle connected body outer circle wall
The arc of conjunction, the round wind outlet of the annular air passage is less than the circular air inlet mouthful of annular air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757704.3A CN104527037B (en) | 2014-12-12 | 2014-12-12 | Blow needle device in blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757704.3A CN104527037B (en) | 2014-12-12 | 2014-12-12 | Blow needle device in blow molding machine |
Publications (2)
| Publication Number | Publication Date |
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| CN104527037A CN104527037A (en) | 2015-04-22 |
| CN104527037B true CN104527037B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410757704.3A Active CN104527037B (en) | 2014-12-12 | 2014-12-12 | Blow needle device in blow molding machine |
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| CN (1) | CN104527037B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003666B (en) * | 2016-07-07 | 2018-02-27 | 苏州同大机械有限公司 | Blowing apparatus under the plastic hollow vessel of blow moulding machine |
| CN106742420A (en) * | 2016-11-30 | 2017-05-31 | 芜湖立创包装有限公司 | Rotation blow needle frame |
| CN110039746A (en) * | 2019-05-20 | 2019-07-23 | 江苏维达机械有限公司 | A kind of mandrel body electric heating note blow cores stick |
| DE102019129845A1 (en) * | 2019-11-06 | 2021-05-06 | Meissner Ag Modell- Und Werkzeugfabrik | Blow pin device, arrangement comprising a blow pin device and a blow pin tool and method for blow molding |
| CN114633455B (en) * | 2022-02-18 | 2023-01-17 | 马鞍山康福塑料制品有限公司 | Plastic bottle blow molding production equipment and plastic bottle blow molding method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2596456B2 (en) * | 1988-11-09 | 1997-04-02 | 株式会社プラコー | Blow molding method for flat hollow body |
| CN102514180B (en) * | 2012-01-05 | 2013-11-27 | 四川省资阳市雅之江塑业有限公司 | Adjusting mechanism for blowing device of hollow blow molding machine |
| CN203141830U (en) * | 2013-03-05 | 2013-08-21 | 张家港市三佳中空吹塑科技有限公司 | Needle blowing device of blow molding machine |
| CN103600487B (en) * | 2013-10-23 | 2015-09-16 | 江苏科技大学 | A kind of bottle blowing machine vane formula bottle preform opening cooling device |
| CN204340184U (en) * | 2014-12-12 | 2015-05-20 | 苏州星贝尔中空成型设备有限公司 | Blow needle device in blow molding machine |
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| CN104527037A (en) | 2015-04-22 |
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| CB02 | Change of applicant information |
Address after: 215600 Zhangjiagang Economic Development Zone, Suzhou, Jiangsu province (east of Port City Avenue) Applicant after: BESTAR BLOW MOLDING MACHINE TECHNOLOGY CO., LTD. Address before: 215600 Suzhou star Baer hollow forming equipment Co., Ltd. Jiangsu Zhangjiagang Economic Development Zone (east of Suzhou Avenue) Applicant before: BESTAR BLOW MOLDING TECHNOLOGY CO., LTD. |
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Effective date of registration: 20170630 Address after: Suzhou City, Jiangsu province 215600 City Road on the eastern side of the Zhangjiagang economic and Technological Development Zone Applicant after: BESTAR BLOW MOLDING TECHNOLOGY CO., LTD. Address before: 215600 Zhangjiagang Economic Development Zone, Suzhou, Jiangsu province (east of Port City Avenue) Applicant before: BESTAR BLOW MOLDING MACHINE TECHNOLOGY CO., LTD. |
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