CN111452334B - Plastic bottle integrated blow molding equipment - Google Patents
Plastic bottle integrated blow molding equipment Download PDFInfo
- Publication number
- CN111452334B CN111452334B CN202010280530.1A CN202010280530A CN111452334B CN 111452334 B CN111452334 B CN 111452334B CN 202010280530 A CN202010280530 A CN 202010280530A CN 111452334 B CN111452334 B CN 111452334B
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- mould
- hinged
- box body
- telescopic
- shaped
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- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 238000000071 blow moulding Methods 0.000 title claims abstract description 32
- 238000007664 blowing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000000243 solution Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010101 extrusion blow moulding Methods 0.000 description 2
- 238000010102 injection blow moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009512 pharmaceutical packaging Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
- B29C49/30—Blow-moulding apparatus having movable moulds or mould parts
- B29C49/32—Blow-moulding apparatus having movable moulds or mould parts moving "to and fro"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/50—Moulds having cutting or deflashing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
Abstract
The invention discloses plastic bottle integrated blow molding equipment which comprises a mold assembly, a blow molding device and a notching device, wherein the mold assembly comprises a plurality of molds which are arranged in parallel, telescopic hinges arranged at the bottoms of the molds and a driving device for driving the telescopic hinges to do telescopic motion, the telescopic hinges are composed of a plurality of X-shaped hinges which are arranged in parallel, each X-shaped hinge is composed of two hinged rods, the middle parts of the hinged rods are mutually hinged through hinged shafts, the two hinged rods on the X-shaped hinges and the two hinged rods on the adjacent X-shaped hinges are respectively hinged to form a telescopic structure, each hinged shaft of each telescopic hinge is respectively provided with one mold, each hinged shaft is inserted at the bottom of the mold, and the hinged shafts are in rotating fit with the molds. The plastic bottle integrated blow molding equipment shortens the production steps of plastic bottles and obviously improves the production efficiency of the plastic bottles.
Description
Technical Field
The invention belongs to the technical field of machinery, and particularly relates to plastic bottle integrated blow molding equipment.
Background
Plastic bottles are indispensable containers for pharmaceutical packaging and daily life, and in the past, plastic bottles have generally been produced by a blow molding process, i.e. a hot-melt parison closed in a mold is blown up by means of gas pressure to form a hollow article. Blow molding is divided into extrusion blow molding and injection blow molding.
Blow molding is used in plastic bottle production lines primarily for the production of thin-walled hollow plastic products, such as water or soda bottles, pipes, automobile bumpers and the like. Most thermoplastics include materials such as PET, PS, and PC that can be processed by blow molding, as well as glass. For the production of asymmetric parts, extrusion blow molding is commonly used. In a production line process, injection molding is performed on a parison that is then moved to a blow molding machine for injection blow molding.
The blow molding process of the existing production line comprises the following four standard steps:
1) the parison is mounted on the blow head of the machine and then placed in a mold, which is divided into two halves.
2) The hot air is blown through the blowing head to form a blank, which is expanded to the shape of the mold.
3) Cooling in the mold for a few seconds, cooling before demolding.
4) Removing additional material from both ends to complete the article.
The existing production line has the following defects: 1. before the blow molding step, a parison needs to be manufactured firstly, so that the production steps are increased, the equipment cost of a production line is increased, however, for plastic bottles with large bottle mouths and short bottle bodies, the plastic bottles can be directly blown into bottle shapes from plates without manufacturing the parison, and at present, equipment for direct blow molding from plate bodies is not found; 2. the parison needs to be placed in the mold before the blow molding process, and the structure of the mold becomes complicated and the production efficiency becomes low to achieve this step.
Disclosure of Invention
In view of the above, the present invention provides an integrated plastic bottle blowing apparatus, which shortens the steps of plastic bottle production, reduces the cost of the apparatus, and improves the production efficiency of plastic bottles.
The invention is realized by the following technical means:
the invention relates to plastic bottle integrated blow molding equipment, which comprises a mold assembly, a blow molding device and a notching device, wherein the mold assembly comprises a plurality of molds which are arranged in parallel, telescopic hinges arranged at the bottoms of the molds and a driving device for driving the telescopic hinges to do telescopic motion;
the mould is in a strip shape, a plurality of semi-bottle-shaped grooves are formed in the strip-shaped end faces of the front side and the back side of the strip-shaped mould in parallel, the bottleneck of each semi-bottle-shaped groove is communicated with the top end face of the mould, an exhaust channel communicated with the end face of the bottom of the mould is arranged at the bottle bottom of each semi-bottle-shaped groove, and any two adjacent moulds can be tightly buckled with each other along with the contraction of the telescopic hinges, so that the semi-bottle-shaped grooves on the two adjacent moulds can be buckled to form bottle-shaped cavities;
the blow molding device comprises an air pump, a box body with an opening at the bottom and a first lifting mechanism for driving the box body to move up and down, wherein the air pump is communicated with the box body through a pipeline, and the box body with the opening at the bottom is positioned above a plurality of molds when the box body and the box body are tightly buckled with each other; an electric heating element is arranged on the inner side of the box body;
the mould frame is a rectangular frame body, one end of the telescopic hinge is fixed at the bottom of one end of the mould frame in the length direction, the mould is arranged in the mould frame, the length of the mould corresponds to the width of the inner side of the mould frame, and the mould can move in the length direction of the mould frame on the inner side of the mould frame;
still include clout cleaning device, clout cleaning device includes the third elevating system of vertical thimble and the drive thimble up-and-down motion that sets up in the mould frame.
Further, the notching device is arranged on the inner side of the box body and comprises a cutter holder, a cylindrical cutter fixed on the cutter holder and a second lifting mechanism driving the cylindrical cutter to move up and down to perform cutting action, and the second lifting mechanism is fixedly connected with the inner side wall of the box body.
Further, the excess material cleaning device also comprises a blowing device arranged on the frame of the die frame, and the blowing device is used for blowing off the scraps on the surface of the die.
Further, the bottom open edge of the box body is provided with a flexible material for sealing.
The invention has the following beneficial effects: the invention discloses plastic bottle integrated blow molding equipment, which comprises a mold assembly, a blow molding device and a notching device, wherein the mold assembly comprises a plurality of molds which are arranged in parallel, telescopic hinges arranged at the bottoms of the molds and a driving device for driving the telescopic hinges to do telescopic motion, the telescopic hinges are composed of a plurality of X-shaped hinges which are arranged in parallel, each X-shaped hinge is composed of two hinged rods, the middle parts of the hinged rods are mutually hinged through hinged shafts, the two hinged rods on the X-shaped hinges and the two hinged rods on the adjacent X-shaped hinges are respectively hinged to form a telescopic structure, each hinged shaft of each telescopic hinge is respectively provided with one mold, each hinged shaft is inserted at the bottom of the mold, and the hinged shafts are in rotary fit with the molds. The plastic bottle integrated blow molding equipment shortens the production steps of plastic bottles. The plastic bottle integrated blow molding equipment can obviously improve the production efficiency of plastic bottles with large bottle mouths and short bottle bodies.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of an integrated blow molding apparatus for plastic bottles according to the present invention;
FIG. 2 is a schematic perspective view of the plastic bottle integral blow molding device according to the present invention;
FIG. 3 is a bottom plan view of the plastic bottle integral blow molding apparatus of the present invention, with the telescoping hinge shown in a fully retracted state;
FIG. 4 is a bottom plan view of the plastic bottle integral blow molding apparatus of the present invention, with the telescoping hinge shown in a fully extended position;
fig. 5 is a schematic structural view of a mold in the plastic bottle integrated blow molding device according to the present invention.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
as shown in fig. 1-5: the plastic bottle integration blowing equipment of this embodiment, including mould subassembly, blowing device and notching device, the mould subassembly is telescopic motion's drive arrangement 3 including polylith mould 1 that sets up side by side, the flexible hinge of setting in polylith mould bottom and the flexible hinge of drive, drive arrangement is cylinder or pneumatic cylinder, flexible hinge comprises a plurality of X type hinges 2 that set up side by side, and every X type hinge 2 comprises two articulated rods that 4 articulated each other through articulated shafts at the middle part, and two articulated rods on the X type hinge and the adjacent X type hinge articulate respectively and form the telescopic structure, be provided with a mould 1 on every articulated shaft 4 of flexible hinge respectively, every articulated shaft is pegged graft in the bottom of mould, normal running fit between articulated shaft and the mould.
The mold 1 is in a long strip shape, a plurality of semi-bottle-shaped grooves 5 are formed in the long strip-shaped end faces of the front side and the rear side of the long strip-shaped mold in parallel, the bottleneck of each semi-bottle-shaped groove is communicated with the top end face of the mold, an exhaust channel 6 communicated to the bottom end face of the mold is arranged at the bottle bottom of each semi-bottle-shaped groove, and any two adjacent molds can be tightly buckled with each other along with the contraction of the telescopic hinges, so that the semi-bottle-shaped grooves on the two adjacent molds can be buckled to form bottle-shaped cavities 7.
The blow molding device comprises an air pump 8, a box body 9 with an opening at the bottom and a first lifting mechanism 10 for driving the box body to move up and down, wherein the air pump is communicated with the box body through a pipeline, and the box body with the opening at the bottom is positioned above a plurality of molds when the box bodies are tightly buckled with each other; the inner side of the box body is provided with an electric heating element, and the electric heating element can be arranged on the inner side wall of the box body. The bottom opening edge of the box body is provided with a flexible material for sealing, the sealing performance can be improved by arranging the flexible material, the air pressure leakage speed is further reduced, and therefore electric energy required in the blow molding process is saved.
The notching device is arranged on the inner side of the box body and comprises a cutter holder 11, a cylindrical cutter 12 fixed on the cutter holder and a second lifting mechanism 13 driving the cylindrical cutter to move up and down to perform cutting action, and the second lifting mechanism is fixedly connected with the inner side wall of the box body. Specifically, the cylindrical cutters are provided with a plurality of cutters, and the cutter edge of each cylindrical cutter is over against the bottle mouth of the bottle-shaped cavity formed when the plurality of molds are tightly buckled with each other.
Still include the mould frame, the mould frame is rectangular framework 14, the bottom of the one end of telescopic hinge's one end in the length direction of mould frame is fixed, the mould sets up in the inside of mould frame, and the length of mould is corresponding with the inboard width of mould frame, the mould can move along the length direction of mould frame at mould frame inboard.
The mould frame structure further comprises a residual material cleaning device, wherein the residual material cleaning device comprises ejector pins 15 vertically arranged in the frame of the mould frame and a third lifting mechanism 16 driving the ejector pins to move up and down. A mechanical hand for grabbing excess materials can also be arranged; the robot is used for grabbing the excess materials jacked up by the ejector pins. The excess material cleaning device further comprises a blowing device arranged on the frame of the die frame, and the blowing device is used for blowing off the scraps on the surface of the die.
The controller is respectively in circuit connection with the driving device, the first lifting mechanism, the air pump, the second lifting mechanism and the third lifting mechanism, and the driving device, the first lifting mechanism, the air pump, the second lifting mechanism and the third lifting mechanism are controlled to cooperatively act through the controller.
The working principle of the plastic bottle integrated blow molding equipment comprises the following steps:
firstly, a box body is lifted up through a second lifting mechanism, a plurality of moulds are tightly buckled with each other under the contraction of a telescopic hinge, a PE or PP plastic plate is conveyed to the mould below the box body through a manipulator and other transfer equipment, the box body is controlled to descend by the second lifting mechanism, the edge of an opening of the box body is pressed on the edge of the plastic plate, an electric heating element is electrified to heat and soften the plastic plate, a blowing operation is carried out through an air pump, the softened plastic plate is gradually stretched and attached to the surface of a cavity of a bottle body-shaped cavity, after the blowing operation is completed, the plastic plate is cooled for a period of time, and then the plastic plate at the bottle opening of the mould is cut off through a notch device, so that the formed bottle body is separated from the plastic plate; after the notch is cut, the second lifting mechanism lifts the box body, the third lifting mechanism controls the thimble to jack up the excess material of the plastic plate, the driving device drives the telescopic hinge to extend, and the telescopic hinge drives the plurality of moulds to be mutually separated, so that the plastic bottle naturally falls into the cost recovery box; the plastic plate excess materials are transferred to the excess material recycling process through transfer equipment such as a mechanical arm.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. The utility model provides a plastic bottle integration blowing equipment which characterized in that: the mould comprises a mould component, a blow molding device and a notching device, wherein the mould component comprises a plurality of moulds arranged in parallel, telescopic hinges arranged at the bottoms of the moulds and a driving device for driving the telescopic hinges to do telescopic motion, each telescopic hinge comprises a plurality of X-shaped hinges arranged in parallel, each X-shaped hinge comprises two hinged rods, the middle parts of the hinged rods are mutually hinged through hinged shafts, the two hinged rods on each X-shaped hinge are respectively hinged with the two hinged rods on the adjacent X-shaped hinges to form a telescopic structure, each hinged shaft of each telescopic hinge is respectively provided with a mould, each hinged shaft is inserted at the bottom of the mould, and the hinged shafts are in rotating fit with the moulds;
the mould is in a strip shape, a plurality of semi-bottle-shaped grooves are formed in the strip-shaped end faces of the front side and the back side of the strip-shaped mould in parallel, the bottleneck of each semi-bottle-shaped groove is communicated with the top end face of the mould, an exhaust channel communicated with the end face of the bottom of the mould is arranged at the bottle bottom of each semi-bottle-shaped groove, and any two adjacent moulds can be tightly buckled with each other along with the contraction of the telescopic hinges, so that the semi-bottle-shaped grooves on the two adjacent moulds can be buckled to form bottle-shaped cavities;
the blow molding device comprises an air pump, a box body with an opening at the bottom and a first lifting mechanism for driving the box body to move up and down, wherein the air pump is communicated with the box body through a pipeline, and the box body with the opening at the bottom is positioned above a plurality of molds when the box body and the box body are tightly buckled with each other; an electric heating element is arranged on the inner side of the box body;
the mould frame is a rectangular frame body, one end of the telescopic hinge is fixed at the bottom of one end of the mould frame in the length direction, the mould is arranged in the mould frame, the length of the mould corresponds to the width of the inner side of the mould frame, and the mould can move in the length direction of the mould frame on the inner side of the mould frame;
still include clout cleaning device, clout cleaning device includes the third elevating system of vertical thimble and the drive thimble up-and-down motion that sets up in the mould frame.
2. The integrated plastic bottle blowing apparatus of claim 1, wherein: the notching device is arranged on the inner side of the box body and comprises a cutter holder, a cylindrical cutter fixed on the cutter holder and a second lifting mechanism driving the cylindrical cutter to move up and down to perform cutting action, and the second lifting mechanism is fixedly connected with the inner side wall of the box body.
3. The integrated plastic bottle blowing apparatus of claim 2, wherein: the excess material cleaning device further comprises a blowing device arranged on the frame of the die frame, and the blowing device is used for blowing off the scraps on the surface of the die.
4. The integrated plastic bottle blowing apparatus of claim 3, wherein: and a flexible material for sealing is arranged at the edge of the opening at the bottom of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280530.1A CN111452334B (en) | 2020-04-10 | 2020-04-10 | Plastic bottle integrated blow molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010280530.1A CN111452334B (en) | 2020-04-10 | 2020-04-10 | Plastic bottle integrated blow molding equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111452334A CN111452334A (en) | 2020-07-28 |
| CN111452334B true CN111452334B (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010280530.1A Active CN111452334B (en) | 2020-04-10 | 2020-04-10 | Plastic bottle integrated blow molding equipment |
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| Country | Link |
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| CN (1) | CN111452334B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917963B (en) * | 2021-01-15 | 2023-02-14 | 黎明职业大学 | Machining device and technology for anti-skid sole |
| CN114271519A (en) * | 2022-01-30 | 2022-04-05 | 王海石 | Food material processing device |
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|---|---|---|---|---|
| GB1026956A (en) * | 1963-10-18 | 1966-04-20 | Shell Int Research | Method and apparatus for forming integral containers having precisely parallel vertical walls |
| JPH04284224A (en) * | 1991-03-12 | 1992-10-08 | Ajinomoto Co Inc | Compressed air and vacuum or compressed air vacuum molding device and its molding method |
| DE4421979C1 (en) * | 1994-06-23 | 1995-08-17 | Illig Maschinenbau Adolf | Thermo-forming and cutting tool for prodn. of containers from thermoplastic film |
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| Publication number | Publication date |
|---|---|
| CN111452334A (en) | 2020-07-28 |
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