CN104723534A - Continuous forming equipment for plastic containers - Google Patents
Continuous forming equipment for plastic containers Download PDFInfo
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- CN104723534A CN104723534A CN201310702340.4A CN201310702340A CN104723534A CN 104723534 A CN104723534 A CN 104723534A CN 201310702340 A CN201310702340 A CN 201310702340A CN 104723534 A CN104723534 A CN 104723534A
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- parison
- mould
- shaping
- plastic containers
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Abstract
The invention discloses continuous molding equipment for plastic containers. The continuous molding equipment includes blow nozzles, a parison extrusion device and a mould device below the parison extrusion device. The mould device includes a pair of forming moulds that are disposed oppositely and can move relatively to realize mould opening and closure, and each forming mould is provided with main cavities for forming a container main body. The blow nozzles are disposed in the parison extrusion device, can move up and down and can stretch into parisons extruded by the parison extrusion device. The bottom end of each forming mould is provided with a sealing cavity for moulding a sealing part of the container main body. A sealing protection device is arranged below the forming mould, and has an abutting surface in abutment cooperation with the forming mould bottom end surface. The continuous molding equipment provided by the invention has the advantages of simple and compact structure, low cost, convenient positioning, and good material utilization and sealing quality, etc.
Description
Technical field
The present invention relates generally to food, medical packaging mechanical field, refers in particular to the continuously shaped equipment of a kind of plastic containers.
Background technology
Existing plastic containers blow potting fixture and mostly comprise multiple stations such as extruding station, blowing embedding station, stamping-out station, first pipe is extruded in die device by parison extrusion head extruding station, then pipe is blocked with cutting knife, cut pipe is transferred to blowing embedding station and carries out blow molding and filling and sealing, be finally transferred to stamping-out station and carry out stamping-out.In process of production, for meeting the needs such as pipe transfer, support, generally mold remaining limit structure in the container formation stage in the two ends up and down of container, these all belong to the tailing of shaping rear plastic containers, dismissed again after delivering to stamping-out station, caused the significant wastage of material.And the equipment station of this form arranges too much, location difficulty, overall structure bulky complex.
Summary of the invention
The technical problem to be solved in the present invention is: the deficiency existed for prior art, provides a kind of simple and compact for structure, with low cost, location convenience, stock utilization, the continuously shaped equipment of plastic containers that seal quality is good.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
The continuously shaped equipment of a kind of plastic containers, comprise blow nozzle, parison extrusion device and the die device be positioned at below parison extrusion device, described die device comprises to be arranged in relative shape for a pair and relative movement can realize the shaping mould of die sinking and matched moulds, each shaping mould is provided with the primary cavity for container molding main body, described blow nozzle can be arranged on up or down in parison extrusion device and can to stretch in parison that parison extrusion device extrudes, the bottom of each described shaping mould is provided with for the sealing die cavity to the shaping mouth-sealed portion of container body, the below of described shaping mould is provided with sealing protective device, described sealing protective device has and can abut the bearing surface coordinated with shaping mould bottom face.
Further improvement as technique scheme:
Described sealing protective device comprises to be arranged in relative shape for a pair and relative movement can realize the fixture of open and close; the top end face of described fixture forms described bearing surface; described fixture is provided with the container cavity that can hold container filling main body, described sealing die cavity when fixture closes and abuts with shaping mould to the shaping mouth-sealed portion of the main body of container filling in container cavity.
The controlling organization that described fixture and can drive its relative shaping mould to move up and down is connected.
The below of described fixture is provided with for carrying out the die-cutting apparatus of stamping-out to seal container, leaves the spacing moved up and down for fixture between described die-cutting apparatus and shaping mould.
Described die-cutting apparatus comprises to be arranged in relative shape and relative movement can realize the first clamping mould and the second clamping mould of open and close, each clamping mould is provided with the stamping-out hole with container height adaptation, is provided with the drift by moving horizontally in the stamping-out hole stretching into the second clamping mould in the stamping-out hole of described first clamping mould.
Side away from the first clamping mould on described second clamping mould is provided with the material-dropping hole be communicated with stamping-out hole.
In described parison extrusion device and die device, one of them in the vertical direction maintains static, and another one can vertically move back and forth; Or described parison extrusion device and die device in the vertical direction all maintain static.
Described blow nozzle comprises blowing jet pipe for blowing and for filling filling nozzle needle, described filling nozzle needle is sheathed in blowing jet pipe.
Also comprise one for when shaping mould is in die opening state with the positioner that the relative shaping mould of parison moves downward.
Described parison extrusion device comprises two extruder heads arranged in relative shape, the bottom of each extruder head is provided with a sheet extrusion for extruding sheet parison between two shaping moulds, and described blow nozzle can be located at up or down between two extruder heads and can to stretch between sheet parison that two extruder heads extrude.
The bottom of described parison extrusion device is provided with the oval tubulose extrusion for extruding oval tubular parison between two shaping moulds, and each oval tubular parison coordinates shaping with multiple primary cavity of lateral arrangement on shaping mould simultaneously.
Compared with prior art, the invention has the advantages that:
1, the present invention can realize plastic containers to extrude direction along parison continuously shaped, and the plastic containers molded are end to end successively, and the remaining limit structure at the two ends up and down of each plastic containers is few, and stock utilization is high;
2, blow nozzle can be arranged in parison extrusion device up or down, and parison is extruded, blow molding is all extruded on direction at parison and carried out, and without the need to multiple bearing, location is convenient, and overall structure is simply compact;
3, the bottom of shaping mould is provided with for the sealing die cavity to the shaping mouth-sealed portion of container body, container body in primary cavity seals by sealing die cavity when moving downwardly to the below of sealing die cavity, because sealing die cavity and primary cavity are integrated on shaping mould, do not need to arrange independent seal mould, simplify the structure of whole die device, reduce cost;
4, the bearing surface by sealing protective device abuts with shaping mould bottom face and coordinates, and can avoid producing during sealing mold cavity forming mouth-sealed portion running glue phenomenon, improves seal quality.
Accompanying drawing explanation
Fig. 1 is the perspective view that the present invention extrudes circular tube shaped parison.
Fig. 2 is the first working state schematic representation of the present invention.
Fig. 3 is the second working state schematic representation of the present invention.
Fig. 4 is the 3rd working state schematic representation of the present invention.
Fig. 5 is the 4th working state schematic representation of the present invention.
Fig. 6 is the 5th working state schematic representation of the present invention.
Fig. 7 is the 6th working state schematic representation of the present invention.
Fig. 8 is the 7th working state schematic representation of the present invention.
Fig. 9 is the 8th working state schematic representation of the present invention.
Figure 10 is the 9th working state schematic representation of the present invention.
Figure 11 is the tenth working state schematic representation of the present invention.
Figure 12 is the 11 working state schematic representation of the present invention.
Figure 13 is the 12 working state schematic representation of the present invention.
Figure 14 is the 13 working state schematic representation of the present invention.
Figure 15 is the perspective view of extruding sheet parison of the present invention.
Figure 16 is the perspective view that the present invention extrudes oval tubular parison.
Marginal data: 1, blow nozzle; 11, blowing jet pipe; 12, filling nozzle needle; 2, parison extrusion device; 21, parison; 22, extruder head; 23, circular tube shaped extrusion; 24, sheet extrusion; 25, oval tubulose extrusion; 3, die device; 31, shaping mould; 311, primary cavity; 312, die cavity is sealed; 41, container cavity; 46, fixture; 5, die-cutting apparatus; 51, the first clamping mould; 52, the second clamping mould; 53, stamping-out hole; 54, material-dropping hole; 55, drift; 6, bearing surface; 7, container.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail; should be understood that; protection scope of the present invention is also not only confined to following embodiment; for those skilled in the art; some improvements and modifications without departing from the principles of the present invention, also should be considered as protection scope of the present invention.
As Fig. 1 to Figure 14 shows an embodiment of the continuously shaped equipment of plastic containers of the present invention, the continuously shaped equipment of plastic containers of the present embodiment, the die device 3 comprising blow nozzle 1, parison extrusion device 2 and be positioned at below parison extrusion device 2.Parison extrusion device 2 is for die device 3 extruded parisons 21, and in the present embodiment, parison 21 is circular tube shaped, and the bottom of parison extrusion device 2 is provided with the circular tube shaped extrusion 23 for extruding circular tube shaped parison 21.Die device 3 comprises to be arranged in relative shape for a pair and relative movement can realize the shaping mould 31 of die sinking and matched moulds, and each shaping mould 31 is provided with the primary cavity 311 for container molding 7 main body.Blow nozzle 1 can be arranged on up or down in parison extrusion device 2 and can to stretch in parison 21 that parison extrusion device 2 extrudes, carries out blow molding to the parison 21 being positioned at primary cavity 311.The bottom of each shaping mould 31 is provided with for the sealing die cavity 312 to the shaping mouth-sealed portion of container 7 main body, when container 7 main body in primary cavity 311 is moved downward to the below of sealing die cavity 312, namely seals by sealing die cavity 312.The below of shaping mould 31 is provided with sealing protective device; sealing protective device has and can abut the bearing surface 6 coordinated with shaping mould 31 bottom face; to abut with shaping mould 31 bottom face coordinate by sealing the bearing surface of protective device; can avoid producing during sealing die cavity 312 shaping mouth-sealed portion running glue phenomenon, improve seal quality.
In the present embodiment; sealing protective device comprises to be arranged in relative shape for a pair and relative movement can realize the fixture 46 of open and close; the top end face of fixture 46 forms bearing surface 6; fixture 46 is provided with the container cavity 41 that can hold container filling 7 main body, and sealing die cavity 312 is closed and to the shaping mouth-sealed portion of container filling 7 main body in container cavity 41 when abutting with shaping mould 31 at fixture 46.
In the present embodiment, the controlling organization that fixture 46 and can drive its relative shaping mould 31 to move up and down is connected.Moved down with parison 21 by fixture 46, the movement travel of parison 21 can be retrained when extruded parisons 21, eliminate parison 21 and extrude the error of length, and can lead to the direction of extruding of parison 21, ensure that the follow-up works such as shaping, sealing are reliablely and stablely carried out.Certainly, to achieve these goals, also a positioner be separated with fixture 46 can be set separately, move downward with the relative shaping mould 31 of parison 21.
In the present embodiment, the below of fixture 46 is provided with for carrying out the die-cutting apparatus 5 of stamping-out to seal container 7, and leaves the spacing moved up and down for fixture 46 between die-cutting apparatus 5 and shaping mould 31.So the former parison 21 of the present embodiment is extruded, blow molding, stamping-out are all extruded on direction at parison 21 and carried out, without the need to multiple bearing, location is convenient, and overall structure is simply compact.
In the present embodiment, die-cutting apparatus 5 comprises to be arranged in relative shape and relative movement can realize the first clamping mould 51 and the second clamping mould 52 of open and close.Each clamping mould is provided with in the stamping-out hole 53 of stamping-out hole 53, the first clamping mould 51 highly adaptive with container 7 drift 55 be provided with by moving horizontally in the stamping-out hole 53 stretching into the second clamping mould 52.Second clamping mould 52 is provided with the material-dropping hole 54 be communicated with stamping-out hole 53 away from the side of the first clamping mould 51, by the container 7 after drift 55 stamping-out from material-dropping hole 54 discharging.
In the present embodiment, blow nozzle 1 comprises blowing jet pipe 11 for blowing and for filling filling nozzle needle 12, filling nozzle needle 12 is sheathed in blowing jet pipe 11.So, after parison 21 is molded container 7 main body by blow nozzle 1, just by filling nozzle needle 12 to media such as liquid drug in container 7 main body.
In the present embodiment, die device 3 in the vertical direction maintains static, and parison extrusion device 2 can vertically move back and forth, and makes parison extrusion device 2 can continuous extruded parisons incessantly, shortens the production cycle of plastic containers 7, enhances productivity.Certainly, in other embodiments, in order to make parison extrusion device 2 can in whole production process continuous extruded parisons 21 incessantly, also can be arranged to parison extrusion device 2 in the vertical direction and maintain static, die device 3 can vertically move back and forth.In a further embodiment, also can be arranged to parison extrusion device 2 and die device 3 in the vertical direction all maintains static, although efficiency is not as good as the present embodiment, die device 3 and parison extrusion device 2 run more stable.
The course of work of the present embodiment:
1, shaping mould 31, fixture 46, die-cutting apparatus 5 are all in open mode, and parison extrusion device 2 starts continuously to participate in Fig. 2 to extruded parisons 21(between two shaping moulds 31);
2, shaping mould 31 matched moulds, simultaneously parison extrusion device 2 moves upward along with extruding of parison 21, and blow nozzle 1 moves downward and parison 21 blow molding in primary cavity 311 is gone out container 7 main body filling (see Fig. 3) again;
3, complete filling after, shaping mould 31 die sinking, blow nozzle 1 moves up to initial position, parison extrusion device 2 moves downwardly to initial position, container filling 7 bulk motion is to container cavity 41 place of fixture 46, then fixture 46 closes, and makes container filling 7 main body just be placed in container cavity 41 (see Fig. 4, Fig. 5);
4, shaping mould 31 matched moulds, simultaneously parison extrusion device 2 moves upward along with extruding of parison 21, blow nozzle 1 moves downward that parison 21 blow molding in primary cavity 311 is gone out container 7 main body is filling again, the shaping mouth-sealed portion of container filling 7 main body (see Fig. 6) in sealing die cavity 312 pairs of container cavities 41;
5, complete filling after, shaping mould 31 die sinking, blow nozzle 1 moves up to initial position, parison extrusion device 2 moves downwardly to initial position, fixture 46 moves downward one section of fixed length distance with seal container 7, makes firm filling good container 7 main body accurate motion to fixture 46 at container cavity 41 place (see Fig. 7) corresponding to initial position;
6, fixture 46 is opened, and closes after getting back to initial position again, makes container filling 7 main body at this place just be placed in container cavity 41 (see Fig. 8);
7, repetition step 4,5, now has seal container 7 to move to stamping-out hole 53 place (see Fig. 9 to Figure 11) of die-cutting apparatus 5;
8, the container 7 at drift 55 pairs of stamping-out holes 53 place carries out stamping-out, and the container 7 after stamping-out is from material-dropping hole 54 discharging (see Figure 12 to Figure 14).
As shown in figure 15, in other embodiments, parison extrusion device 2 also can comprise two extruder heads 22 arranged in relative shape, the bottom of each extruder head 22 is provided with a sheet extrusion 24 for extruding sheet parison 21 between two shaping moulds 31, and blow nozzle 1 can be located at up or down between two extruder heads 22 and can to stretch into the sheet parison 21 that two extruder heads 22 extrude.Quantity and the position of the quantity of blow nozzle 1 and position and the primary cavity 311 of lateral arrangement on shaping mould 31 are corresponding, all blow nozzles 1 are all between the two pieces of sheet parisons 21 extruded from two extruder heads 22, and two pieces of sheet parisons 21 coordinate shaping with multiple primary cavity 311 of lateral arrangement on shaping mould 31 simultaneously.Just one-shot forming can be gone out to connect container bottle in a row by multiple container 7 and arrange by two pieces of relative sheet parisons 21, reduce the consumption of parison 21 material.
As shown in figure 16, in a further embodiment, the bottom of parison extrusion device 2 is provided with the oval tubulose extrusion 25 for extruding oval tubular parison 21 between two shaping moulds 31.Quantity and the position of the quantity of blow nozzle 1 and position and primary cavity 311 on shaping mould 31 are corresponding, and each oval tubular parison 21 correspondence holds plural blow nozzle 1.Each oval tubular parison 21 coordinates shaping with multiple primary cavity 311 of lateral arrangement on shaping mould 31 simultaneously.So each oval tubular parison 21 just can mold and connect container bottle row in a row by two or more container 7, reduces the consumption of parison 21 material.
Claims (11)
1. the continuously shaped equipment of plastic containers, comprise blow nozzle (1), parison extrusion device (2) and the die device (3) be positioned at below parison extrusion device (2), described die device (3) comprises to be arranged in relative shape for a pair and relative movement can realize the shaping mould (31) of die sinking and matched moulds, each shaping mould (31) is provided with the primary cavity (311) for container molding (7) main body, it is characterized in that: described blow nozzle (1) can be arranged on up or down in parison extrusion device (2) and can to stretch in parison (21) that parison extrusion device (2) extrudes, the bottom of each described shaping mould (31) is provided with for the sealing die cavity (312) to the shaping mouth-sealed portion of container (7) main body, the below of described shaping mould (31) is provided with sealing protective device, described sealing protective device has and can abut the bearing surface (6) coordinated with shaping mould (31) bottom face.
2. the continuously shaped equipment of plastic containers according to claim 1; it is characterized in that: described sealing protective device comprises to be arranged in relative shape for a pair and relative movement can realize the fixture (46) of open and close; the top end face of described fixture (46) forms described bearing surface (6); described fixture (46) is provided with the container cavity (41) that can hold container filling (7) main body, and described sealing die cavity (312) is closed and to the shaping mouth-sealed portion of container filling (7) main body in container cavity (41) when abutting with shaping mould (31) at fixture (46).
3. the continuously shaped equipment of plastic containers according to claim 2, is characterized in that: the controlling organization that described fixture (46) and can drive its relative shaping mould (31) to move up and down is connected.
4. the continuously shaped equipment of plastic containers according to claim 3, it is characterized in that: the below of described fixture (46) is provided with for carrying out the die-cutting apparatus (5) of stamping-out to seal container (7), leaves the spacing moved up and down for fixture (46) between described die-cutting apparatus (5) and shaping mould (31).
5. the continuously shaped equipment of plastic containers according to claim 4, it is characterized in that: described die-cutting apparatus (5) comprises to be arranged in relative shape and relative movement can realize the first clamping mould (51) and the second clamping mould (52) of open and close, each clamping mould is provided with the stamping-out hole (53) highly adaptive with container (7), is provided with the drift (55) by moving horizontally in the stamping-out hole (53) stretching into the second clamping mould (52) in the stamping-out hole (53) of described first clamping mould (51).
6. the continuously shaped equipment of plastic containers according to claim 5, is characterized in that: the side away from the first clamping mould (51) on described second clamping mould (52) is provided with the material-dropping hole (54) be communicated with stamping-out hole (53).
7. the continuously shaped equipment of plastic containers as claimed in any of claims 1 to 6, it is characterized in that: described parison extrusion device (2) and die device (3) are in both, one of them in the vertical direction maintains static, and another one can vertically move back and forth; Or described parison extrusion device (2) and die device (3) in the vertical direction all maintain static.
8. the continuously shaped equipment of plastic containers as claimed in any of claims 1 to 6, it is characterized in that: described blow nozzle (1) comprises blowing jet pipe (11) for blowing and for filling filling nozzle needle (12), described filling nozzle needle (12) is sheathed in blowing jet pipe (11).
9. the continuously shaped equipment of plastic containers according to claim 1, is characterized in that: also comprise one for when shaping mould (31) is in die opening state with parison (21) the relatively positioner that moves downward of shaping mould (31).
10. the continuously shaped equipment of plastic containers as claimed in any of claims 1 to 6, it is characterized in that: described parison extrusion device (2) comprises two extruder heads (22) arranged in relative shape, the bottom of each extruder head (22) is provided with a sheet extrusion (24) for extruding sheet parison (21) between two shaping moulds (31), and described blow nozzle (1) can be located at up or down between two extruder heads (22) and can to stretch between sheet parison (21) that two extruder heads (22) extrude.
The continuously shaped equipment of 11. plastic containers as claimed in any of claims 1 to 6, it is characterized in that: the bottom of described parison extrusion device (2) is provided with the oval tubulose extrusion (25) for extruding oval tubular parison (21) between two shaping moulds (31), the while of each oval tubular parison (21), multiple primary cavity (311) of lateral arrangement upper with shaping mould (31) coordinate shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702340.4A CN104723534B (en) | 2013-12-19 | 2013-12-19 | The continuously shaped equipment of plastic containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702340.4A CN104723534B (en) | 2013-12-19 | 2013-12-19 | The continuously shaped equipment of plastic containers |
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| Publication Number | Publication Date |
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| CN104723534A true CN104723534A (en) | 2015-06-24 |
| CN104723534B CN104723534B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310702340.4A Active CN104723534B (en) | 2013-12-19 | 2013-12-19 | The continuously shaped equipment of plastic containers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986360A (en) * | 2015-07-15 | 2015-10-21 | 山东新华医疗器械股份有限公司 | Three-in-one plastic ampoule production process and device |
| CN111483153A (en) * | 2020-04-15 | 2020-08-04 | 山东新华医疗器械股份有限公司 | Continuous production process of plastic bottles |
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| CN2763021Y (en) * | 2005-01-24 | 2006-03-08 | 上海久凯机械设备有限公司 | Apparatus for supplying water and air to rotating workposition extrusion blow-moulding machine |
| CN102285096A (en) * | 2011-08-26 | 2011-12-21 | 湖南千山制药机械股份有限公司 | Continuous blow molding machine and molding method thereof |
| CN102773997A (en) * | 2012-07-23 | 2012-11-14 | 吴忠市恒通塑料制品有限公司 | Method for producing large-scale hollow container by using series-connection hollow blow molding |
| CN203726809U (en) * | 2013-12-19 | 2014-07-23 | 楚天科技股份有限公司 | Continuous forming equipment for plastic container |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08197613A (en) * | 1995-01-30 | 1996-08-06 | Japan Steel Works Ltd:The | Method and device for blow molding |
| CN2763021Y (en) * | 2005-01-24 | 2006-03-08 | 上海久凯机械设备有限公司 | Apparatus for supplying water and air to rotating workposition extrusion blow-moulding machine |
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| CN102773997A (en) * | 2012-07-23 | 2012-11-14 | 吴忠市恒通塑料制品有限公司 | Method for producing large-scale hollow container by using series-connection hollow blow molding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104986360A (en) * | 2015-07-15 | 2015-10-21 | 山东新华医疗器械股份有限公司 | Three-in-one plastic ampoule production process and device |
| CN111483153A (en) * | 2020-04-15 | 2020-08-04 | 山东新华医疗器械股份有限公司 | Continuous production process of plastic bottles |
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| CN104723534B (en) | 2016-09-14 |
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