CN103402931B - Vial forming machine - Google Patents
Vial forming machine Download PDFInfo
- Publication number
- CN103402931B CN103402931B CN201180067956.8A CN201180067956A CN103402931B CN 103402931 B CN103402931 B CN 103402931B CN 201180067956 A CN201180067956 A CN 201180067956A CN 103402931 B CN103402931 B CN 103402931B
- Authority
- CN
- China
- Prior art keywords
- plunger
- inner sleeve
- parison
- spring washer
- premoulding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011521 glass Substances 0.000 claims abstract description 42
- 238000000748 compression moulding Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000000630 rising effect Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 230000007423 decrease Effects 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 description 13
- 238000000465 moulding Methods 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/13—Blowing glass; Production of hollow glass articles in gob feeder machines
- C03B9/193—Blowing glass; Production of hollow glass articles in gob feeder machines in "press-and-blow" machines
- C03B9/1932—Details of such machines, e.g. plungers or plunger mechanisms for the press-and-blow machine, cooling of plungers
- C03B9/1934—Mechanical displacement means of the plunger
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of vial forming machine, be intended to improve the loading position in parison formation, reduce the defect that vial produces.Technical essential of the present invention is, the plunger making insertion be located at the mouth mould of the bottom of premoulding and the opening portion of lead ring rises and compression molding parison, wherein, on the support of the inner sleeve lower end between plunger and urceolus, spring washer is placed with in the mode of the periphery around plunger base, when glass blank drops in premoulding, position is loaded in the position of plunger, the state that plunger base formation is supported by spring washer and floated, thus, the loading position of parison formation uprises, and decreases the defect that vial produces.
Description
Technical field
The present invention relates to for the vial forming machine by pressing-blowing mode formed glass bottle.
Background technology
When by pressing-blowing mode formed glass bottle, with mold pressing parison carried out premoulding shaping after, carry out whole molding with air blowing (being blown into pressurized air) shaping.When the shaping parison P of use premoulding 7, as shown in Figure 5, first, after glass blank G is dropped into premoulding 7, cover with the top of baffle plate 8 by this premoulding 7, such as, make plunger 1 increase by the driving of cylinder (not shown), mold pressing is carried out to glass blank G, thus, this glass blank G and premoulding 7, baffle plate 8, mouth mould 6, lead ring 6a are touched, shaping parison P.
Afterwards, baffle plate 8 rises, and opens premoulding, as shown in Figure 6, is overturn by the mouth mould 6 maintaining parison with mechanism 9, is moved to by parison P in whole molding, closed whole molding.Then, be blown into pressurized air from the top of whole molding, carry out the final molding of vial.When after shaping end, open whole molding, take out vial, carry out slow cooling, inspection etc.
The plunger 1 parison being carried out to compression molding can get three positions (position).Position shown in the left side of Fig. 5 is so-called loading position, and when plunger 1 is in this position, glass blank G drops in premoulding 7.Position shown in the right side of Fig. 5 is so-called upper, rises to upper, by glass blank G compression molding parison P by making plunger 1 from loading position.Position shown in Fig. 6 is so-called bottom, and after the shaping end of parison, plunger 1 drops to bottom from upper, is overturn by the mouth mould 6 maintaining parison, moved in whole molding by parison P by mechanism 9.Because now plunger 1 is in bottom, the mouth mould of upset movement can not contact with plunger 1.
Fig. 8 is the cross sectional illustration figure of plunger assembly of existing vial forming machine, shaping parison.Be connected with the piston rod 1a of cylinder (not shown) at the base portion of plunger 1, that carries out with the work of cylinder along with piston rod 1a moves up and down, and plunger 1 moves up and down.
The structure of plunger assembly is: be embedded with inner sleeve 2 in the periphery of the base portion of plunger 1, and plunger 1 can slide along the inside of inner sleeve 2.In lead ring 6a in the upper end admission port mould 6 of inner sleeve 2, plunger 1 is consistent with the center of lead ring 6a.
Inner sleeve 2 is in the inside of urceolus 3, and inner sleeve 2 can slide along the upper inside surface of urceolus 3.Be formed with flange part 2a in the periphery of the above-below direction pars intermedia of inner sleeve 2, at this flange part 2a with between the inner peripheral surface support 3c that ring-type bloats to the inside of urceolus 3, be provided with whisker 4, thus, inner sleeve 2 is exerted a force upward.
The position of the plunger 1 shown in Fig. 8 is for loading position, cylinder does not work (neutral condition), inner sleeve 2 is pushed upward by whisker 4, the upper surface of flange part 2a abuts with the bearing surface 3b of urceolus 3, and the base portion of plunger 1 is supported by the support 3c that ring-type bloats to the inside of the lower end from inner sleeve 2 and forms the state (state of the weight supported portion 3c supporting of plunger and piston rod) of floating.
Upper at the plunger for shaping parison, cylinder (not shown) is started working from the state of Fig. 8, makes piston rod 1a and plunger 1 increase.In the bottom for mouth mould upset movement, cylinder (not shown) is started working from upper, piston rod 1a and plunger 1 decline, as shown in Figure 8, the base portion of plunger 1 contacts with the support 3c of the lower end of inner sleeve 2, and piston rod 1a and plunger 1 decline further, thereupon, the power of inner sleeve 2 dipscrews spring 4, also drops to lower end and contacts with support 3c.Afterwards, cylinder becomes neutral condition, and piston rod 1a and plunger 1 become free state, utilizes the power of whisker 4 to return to the loading position of Fig. 8.
The vial forming machine of this pressure-blow mode, such as, open in following patent documentation 1,2 etc.
[prior art document]
[patent documentation]
Patent documentation 1:(Japan) Unexamined Patent 11-147722 publication
Patent documentation 2:(Japan) JP 2000-34129 publication
Invent problem to be solved
Inventors of the present invention find, the position of some defects and plunger when dropping into glass blank to premoulding during parison formation that produce when vial is shaping, to load position relevant.Below, based on Fig. 7, this point is described.
In the figure 7, in the figure of upper left-hand, be put into glass blank G in premoulding 7, plunger 1 is in and loads position.Because the loading position of plunger is lower, so there is a large amount of air on the top (between glass blank G and baffle plate 8) of glass blank G.The figure of the upper right of Fig. 7 be plunger 1 from the state in left side rise a little and jack-up glass blank G time figure.In this stage, glass blank is not also molded, and easily occurs air-accumulating place 12 on the top of glass blank.The figure of Fig. 7 bottom is that plunger 1 rises further and becomes upper, the state after the compression molding of parison P terminates.Like this, start mold pressing after glass blank formerly rises with the rising of plunger, glass moves downwards in premoulding, therefore, the below of premoulding and the contact of glass more late, glass temperature reduce and produce low-temp. portion Pa.And on the top of premoulding, because of the existence at air-accumulating place, the loose contact of model and glass, produces the high-temperature portion Pb that temperature does not reduce.
Like this, if the loading position of plunger is lower, then the temperature that can increase parison is uneven.If it is shaping to carry out whole molding in the mode of blow (being blown into pressurized air) to this parison, then the expansion of parison will be uneven, makes the wall thickness of vial bad.In addition, glass blank due to be formerly rise with the rising of plunger after start mold pressing, glass moves downwards in premoulding, therefore mold pressing postpones, the corresponding decline of glass temperature (mobility of glass is deteriorated), need to improve molding pressure, if but improve molding pressure, the fine crackle on " matched moulds is bad " that the spue line with regard to easy production model obviously manifests or surface is i.e. " crack ".
Fig. 5 is the explanatory view after being improved the loading position of plunger.With scheming left side, in premoulding 7, drop into glass blank G, plunger 1 is in and loads position.Because the loading position of plunger is higher, so the air of the top of glass blank G (between glass blank G and baffle plate 8) is few.Therefore, not easily air-accumulating place is produced on the top of premoulding.The right side of Fig. 5 is that plunger 1 rises and becomes upper, the state after the compression molding of parison P terminates.Like this, not easily occur air-accumulating place, and the loading position of plunger is higher, starts with the rising of plunger the mold pressing roughly simultaneously starting glass, therefore, the reduction of glass temperature reduces, and decreases the generation of the defects such as wall thickness is bad, matched moulds is bad, crack.
Summary of the invention
The object of the invention is to, improve the loading position of parison formation, reduce the defects such as the wall thickness that vial produces is bad, matched moulds is bad, crack.
For solving the technical scheme of problem
The invention provides a kind of vial forming machine, the plunger making insertion be located at the mouth mould of the bottom of premoulding and the opening portion of lead ring rises, and compression molding parison, is characterized in that,
Described plunger is undertaken rising, declining by cylinder,
Between plunger and urceolus, have inner sleeve, this inner sleeve is exerted a force upward by the whisker arranged around its peripheral part, and can slide in described urceolus,
Described plunger can slide in described inner sleeve, is formed with in described inner sleeve lower end the support bloated to the inside, on this support, is placed with spiral helicine spring washer around the periphery of the base portion of described plunger,
Position is loaded in the position of the plunger when being dropped in premoulding by glass blank, and described inner sleeve is in the hoisting position of regulation by described helical spring top power, the state that plunger base is supported by described spring washer and floats,
The position of the plunger when the mouth mould upset maintaining parison is mobile is the next, described inner sleeve resists described helical spring top power by cylinder and drops to the lowering position of regulation, plunger also declines relative to inner sleeve, is pressed by plunger base bottom surface, and described spring washer shrinks step-down.
Glass shaper of the present invention can improve the loading position of plunger, suppresses the generation of the defects such as wall thickness is bad, matched moulds is bad, crack.
That is, in inner sleeve, because plunger is supported on spring washer, so load the amount of height that spring washer is improved in position.In addition, in bottom, plunger also declines relatively relative to inner sleeve, and spring washer shrinks, so although improve the loading position of plunger, the plunger position step-down of bottom, can not become the obstacle of the upset movement of mouthful mould in the mode of its height step-down.
Glass shaper of the present invention is in the inner sleeve of existing glass shaper of the same race, installed the structure of spring washer, therefore, easily existing glass shaper is transformed into glass shaper of the present invention, the loading position of plunger can be improved and reduce the generation of defect.Although improve the loading position of plunger, the plunger position step-down of bottom, so, usually do not need the transformation carrying out the scope that moves up and down (stroke) increasing inner sleeve.
[invention effect]
Glass shaper of the present invention can improve loading position, the defects such as the wall thickness that minimizing vial produces is bad, matched moulds is bad, crack.In addition, although improve the loading position of plunger, the plunger position step-down of bottom, so, usually do not need to increase the stroke that moves up and down of inner sleeve 2, easy existing glass shaper is transformed into glass shaper of the present invention yet.
Accompanying drawing explanation
Fig. 1 is the cross sectional illustration figure of the loading position of the plunger of embodiment;
Fig. 2 is the upper cross sectional illustration figure of the plunger of embodiment;
Fig. 3 is the cross sectional illustration figure of the bottom of the plunger of embodiment;
Fig. 4 is the sectional view of spring washer 5;
Fig. 5 be the loading position of plunger higher time parison formation explanatory view;
Fig. 6 is a mouthful explanatory view for mould upset;
Fig. 7 be the loading position of plunger lower time parison formation explanatory view;
Fig. 8 is the cross sectional illustration figure of the loading position of the plunger of existing glass shaper.
Embodiment
Fig. 1 ~ 3 are local summary sections of shaping parison in the embodiment of glass shaper of the present invention.When Fig. 1 represents that plunger 1 is in loading position, when Fig. 2 represents that plunger 1 is in upper, when Fig. 3 represents that plunger 1 is in bottom.
Be connected with the piston rod 1a of cylinder (not shown) at the base portion of plunger 1, that carries out with the work of cylinder along with piston rod 1a moves up and down, and plunger 1 moves up and down.Be embedded with inner sleeve 2 in the periphery of the base portion of plunger 1, plunger 1 can along the internal slide of inner sleeve 2.Structure is: in the lead ring 6a in the upper end admission port mould 6 of inner sleeve 2, plunger 1 is consistent with the center of lead ring 6a.Inner sleeve 2 is in the inside of urceolus 3, and inner sleeve 2 can slide along the upper inside surface of urceolus.In the periphery of the above-below direction pars intermedia of inner sleeve 2, ring-type is outstanding is formed with flange part 2a, and at this flange part 2a with between the urceolus 3 inner peripheral surface support 3c that ring-type bloats to the inside, whisker 4 is located at the outside of inner sleeve 2, the inner side of urceolus 3, thus, inner sleeve 2 is exerted a force upward.
The difference of the vial forming machine of Fig. 1 ~ 3 and the existing forming machine of Fig. 8 is that have spring washer 5, other is identical.Be formed with the support 3c that ring-type to the inside bloats in the lower end of inner sleeve 2, on support 3c, be placed with spiral helicine spring washer 5 in the mode of the base portion periphery around plunger 1, the base portion of plunger 1 is placed on spring washer 5.
Fig. 4 is the sectional view of spring washer 5.Spring washer 5 is that rectangular elongated tabular body is wound into spirrillum by cross section.Upper diagram is the state of nature of non-reactive force, and bottom graph is the next contraction schedule.
The position of the plunger 1 of Fig. 1 is for loading position, and cylinder does not work (neutral state), and inner sleeve 2 is pushed upward by the top power of whisker 4, and the upper surface of flange part 2a abuts with the bearing surface 3b of urceolus 3.In addition, plunger 1 is tried hard to keep by the top of spring washer 5 and is held (weight of plunger and piston rod is supported by the top power of spring washer 5).The loading position of the plunger of Fig. 1 improves the amount of height of spring washer 5 than the loading position of the plunger of the existing forming machine of Fig. 8.
Fig. 2 is in order to shaping parison, and cylinder (not shown) is started working from the state of Fig. 1, makes piston rod 1a and plunger 1 rise to upper state.Now, the position of inner sleeve 2 is identical with the position of Fig. 1.
Fig. 3 is that cylinder (not shown) is started working from the state of Fig. 2, makes piston rod 1a and plunger 1 drop to the next state.When plunger 1 declines, first, the bottom surface of plunger base abuts with the upper end of spring washer 5, makes it shrink in the mode of the height step-down of spring washer 5, and then, whisker 4 is out of shape downwards inner sleeve 2 is pressed down.Finally, inner sleeve 2 lower end abuts with support 3c and stops declining, and spring washer 5 becomes the state of contraction as shown in the bottom graph of Fig. 4.
The next at the plunger of Fig. 3, mouth mould 6, under the state of parison keeping forming, moves to whole molding by mechanism 9 upset.Now, mouth mould 6(or lead ring 6a) the track of internal surface lower end edge dash-dot arrows move, but can not to contact with plunger 1.
In the embodiment of Fig. 1 ~ 3, mounting spring packing ring 5 on existing forming machine, improves 3/8 inch by the loading position of plunger.Thus, the mold pressing end time about 10 ° in advance (when a shaping cycle of vial is set to 360 °) of parison, because of the quantity minimizing about 25% of the vial that the defects such as wall thickness is bad, matched moulds is bad, crack are excluded.
[nomenclature]
1 plunger
1a piston rod
2 inner sleeves
2a flange part
2b bottom
2c leading section
3 urceolus
3a guide part
3b bearing surface
3c support
4 whiskers
5 spring washers
6 mouthfuls of moulds
6a lead ring
7 premoulding
8 baffle plates
9 mechanisms
10 whole moldings
12 air-accumulating places
G glass blank
P parison
Pa high-temperature portion
Pb low-temp. portion
Claims (1)
1. a vial forming machine, its plunger making insertion be located at the mouth mould of the bottom of premoulding and the opening portion of lead ring rises, compression molding parison, wherein,
Described plunger utilizes cylinder to carry out rising, declining,
Between plunger and urceolus, have inner sleeve, this inner sleeve is exerted a force upward by the whisker arranged around its peripheral part, and can slide in described urceolus,
Described plunger can slide in described inner sleeve, is formed with in described inner sleeve lower end the support bloated to the inside, and on this support, spiral helicine spring washer loads around the periphery of the base portion of described plunger,
Position is loaded in the position of the plunger when being dropped in premoulding by glass blank, and described inner sleeve utilizes described helical spring top power and is in the hoisting position of regulation, and plunger base forms the state of being floated by the top power supporting of described spring washer,
When the mouth mould upset maintaining parison is mobile, the position of plunger is the next, described inner sleeve resists described helical spring top power by cylinder and drops to the lowering position of regulation, plunger also declines relative to inner sleeve, is pressed downwards by plunger base bottom surface, and described spring washer shrinks step-down.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/055595 WO2012120673A1 (en) | 2011-03-10 | 2011-03-10 | Glass bottle molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103402931A CN103402931A (en) | 2013-11-20 |
| CN103402931B true CN103402931B (en) | 2015-11-25 |
Family
ID=45604572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180067956.8A Expired - Fee Related CN103402931B (en) | 2011-03-10 | 2011-03-10 | Vial forming machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4861536B1 (en) |
| CN (1) | CN103402931B (en) |
| WO (1) | WO2012120673A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8701444B2 (en) * | 2012-06-22 | 2014-04-22 | Owens-Brockway Glass Container Inc. | Plunger and parison mold assembly for a narrow-neck press-and-blow wine bottle |
| CN105174693B (en) * | 2015-08-31 | 2017-07-25 | 荆门市楚大机电有限公司 | A kind of multigroup single drop is double into mould swinging Mechanism of I. S. Machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6698241B1 (en) * | 1999-07-30 | 2004-03-02 | Hermann Heye | Method and device for pressing a gob |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3691887B2 (en) * | 1995-11-17 | 2005-09-07 | 日本山村硝子株式会社 | Rough molding equipment for bottle making machines |
| JPH11322346A (en) * | 1998-05-13 | 1999-11-24 | Toyo Glass Co Ltd | Glass bottle-molding machine |
| JP4223592B2 (en) * | 1998-07-16 | 2009-02-12 | 東洋ガラス株式会社 | Glass bottle forming machine |
-
2011
- 2011-03-10 CN CN201180067956.8A patent/CN103402931B/en not_active Expired - Fee Related
- 2011-03-10 WO PCT/JP2011/055595 patent/WO2012120673A1/en active Application Filing
- 2011-03-10 JP JP2011530311A patent/JP4861536B1/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6698241B1 (en) * | 1999-07-30 | 2004-03-02 | Hermann Heye | Method and device for pressing a gob |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012120673A1 (en) | 2012-09-13 |
| JP4861536B1 (en) | 2012-01-25 |
| CN103402931A (en) | 2013-11-20 |
| JPWO2012120673A1 (en) | 2014-07-07 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20151125 Termination date: 20170310 |