CN114619648A - Blow molding machine - Google Patents
Blow molding machine Download PDFInfo
- Publication number
- CN114619648A CN114619648A CN202210143855.4A CN202210143855A CN114619648A CN 114619648 A CN114619648 A CN 114619648A CN 202210143855 A CN202210143855 A CN 202210143855A CN 114619648 A CN114619648 A CN 114619648A
- Authority
- CN
- China
- Prior art keywords
- pressing plate
- injection molding
- turntable
- mold
- lower pressing
- 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.)
- Pending
Links
- 238000000071 blow moulding Methods 0.000 title claims abstract description 16
- 238000001746 injection moulding Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005187 foaming Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010097 foam moulding Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/06—Injection blow-moulding
-
- 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
- B29C49/36—Blow-moulding apparatus having movable moulds or mould parts rotatable about one axis
-
- 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
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a blow molding machine which comprises a turntable, wherein a plurality of injection molding stations are arranged at equal intervals in the circumferential direction of the turntable, each injection molding station comprises an upper pressing plate, a lower pressing plate and a die sleeve, a plurality of dies are arranged in the die sleeve along the radial direction of the turntable, a lower pressing cylinder is arranged at the upper end of the upper pressing plate, and a jacking cylinder is arranged at the bottom of the lower pressing plate; the invention arranges a plurality of injection molding stations at equal intervals outside the circumference of a turntable, assembles a mold blank through a lower pressure plate and closes the lower port of the mold, and closes the upper port of the mold through an upper pressure plate; a plurality of injection molding stations are automatically circulated, and the injection molding and foaming processes can be continued only by arranging injection molding equipment at one station; the operation is simple, the working efficiency is high, and the continuous working capacity is high.
Description
Technical Field
The invention relates to blow molding machine equipment, in particular to a blow molding machine.
Background
In the field of automobile manufacturing industry, a buffer block is an important component of a shock absorber, and the buffer block is often manufactured by a foaming process. Foam molding refers to a process of forming a honeycomb or cellular structure in a specific polymer material by addition and reaction of a physical blowing agent or a chemical blowing agent. The existing common foaming molding adopts single-body equipment, a lower die with a fixed cavity is arranged on a base, an upper pressure plate is arranged above the die, and after a foaming agent is injected, the upper pressure plate is started to seal the upper surface of the die. And after the foaming process is finished, opening the upper pressing plate and carrying out lower die assembly on the product.
If glue is poured into a plurality of stations at the same time, the area of the base needs to be increased, a plurality of moulds are arranged on the base, and then the upper pressure plate is started for sealing; however, a plurality of injection molding devices are required to be arranged on a plurality of molds, if only one injection molding device is adopted, the product which is firstly injected is not sealed, the time of exposure to the air is long, and the quality of foaming molding is affected, so that the device has certain limitation on the number of the stations which can be arranged. Meanwhile, after the injection molding of the equipment is finished, the next batch of injection molding can be carried out only after the product is taken out after the foaming molding is finished, the efficiency is low, and the production of a production line is not facilitated.
Disclosure of Invention
The invention aims to improve the blow molding equipment in the prior art, reduce the required quantity of injection molding equipment and improve the injection molding efficiency as much as possible.
A blow molding machine comprises a turntable, wherein a rotating motor is arranged at the center of the turntable and rotates under the action of the rotating motor, and the rotating motor is electrically connected to a servo center; a plurality of injection molding stations are arranged at equal intervals in the circumferential direction of the rotary table, each injection molding station comprises an upper pressing plate, a lower pressing plate and a mold sleeve, the mold sleeves are arranged on the rotary table, the upper pressing plates are arranged at the upper end of the rotary table, and the lower pressing plates are arranged at the bottom of the rotary table;
a plurality of moulds are arranged in the mould sleeve along the radial direction of the turntable, a cavity for forming the appearance of the article to be foamed is arranged in each mould, a mould blank for forming the internal structure of the article to be foamed is arranged in each cavity, and the upper end surface and the lower end surface of each mould 5 are open.
A lower pressing cylinder is arranged at the upper end of the upper pressing plate and can vertically move under the driving of the lower pressing cylinder, an upper sealing block is arranged at the bottom of the upper pressing plate, and the size of the upper sealing block covers the upper end face of the cavity;
the bottom of the lower pressing plate is provided with a jacking cylinder, the lower pressing plate is driven by the jacking cylinder to vertically displace, and the die blank is arranged at the upper end of the lower pressing plate; the lower end of the blank is provided with a lower sealing block, and the lower sealing block covers the lower end surface of the cavity.
Furthermore, the bottom of the upper pressure plate is provided with a plurality of positioning columns, the top of the die sleeve is provided with a plurality of positioning holes, and the positioning columns correspond to the positioning holes.
Further, the positioning column is conical.
Further, the die sleeve comprises two half die sleeves which are oppositely arranged, and the outer sides of the half die sleeves are provided with driving cylinders and can be close to or far away from each other under the action of the driving cylinders; the mould comprises two half moulds which are oppositely arranged and can be closed to form the cavity; the half dies are longitudinally arranged on the opposite inner sides of the half die sleeves, and the half dies correspondingly form at least three cavities with the same symmetrical plane.
Furthermore, a control switch is arranged between two adjacent injection molding stations.
Furthermore, a plurality of circulating water holes are formed in the longitudinal side face of the half die sleeve.
The invention arranges a plurality of injection molding stations at equal intervals outside the circumference of a turntable, assembles a mold blank through a lower pressure plate and closes the lower port of the mold, and closes the upper port of the mold through an upper pressure plate; a plurality of injection molding stations are automatically circulated, and the injection molding and foaming processes can be continued only by arranging injection molding equipment at one station; and the station which finishes the injection molding waits for foaming on the turntable until the lower die of the product is completely foamed, and then the next injection molding cycle is carried out.
The invention completes injection molding on products as much as possible in the time of waiting for the completion of foaming, has simple operation, high working efficiency and higher continuous working capacity; in the embodiment, the two half moulds are assembled, and are separated, so that a foamed product can be taken out conveniently and quickly.
Drawings
FIG. 1 is a schematic structural view of a blow molding machine according to the present invention;
FIG. 2 is a top view of a blow molding machine of the present invention;
FIG. 3 is a schematic view of the driving of the upper platen;
FIG. 4 is a schematic structural view of a lower platen sealing mold;
FIG. 5 is an exploded view of the die sleeve and die assembly;
fig. 6 is a schematic view of the driving of the lower platen.
Detailed Description
A blow-moulding machine as shown in figures 1 and 2 comprises a turntable 1, the center of the turntable 1 being provided with a rotary motor 12 and being rotated by the rotary motor 12, said rotary motor 12 being electrically connected to a servo center. The circumference equidistance of carousel 1 is provided with a plurality of stations of moulding plastics, the station of moulding plastics includes top board 2, holding down plate 3 and die sleeve 4, die sleeve 4 sets up on carousel 1, and top board 2 sets up in the upper end of carousel 1, and holding down plate 3 sets up in the bottom of carousel 1.
A plurality of molds 5 are arranged in the mold sleeve 4 along the radial direction of the turntable 1, a cavity for forming the appearance of the article to be foamed is arranged in each mold 5, a mold blank 6 for forming the internal structure of the article to be foamed is arranged in each cavity, and the upper end surface and the lower end surface of each mold 5 are open. For example, in the present embodiment, twelve injection molding stations are distributed in the circumferential direction of the turntable 1, four molds 5 are longitudinally arranged on each injection molding station, forty-eight injection molding regions can exist on the turntable 1 at the same time, and an opening on the upper end surface of each mold 5 is an injection molding inlet.
As shown in fig. 3, a lower air cylinder 13 is arranged at the upper end of the upper press plate 2 and can be driven by the lower air cylinder 13 to vertically displace, an upper sealing block 7 is arranged at the bottom of the upper press plate 2, and the upper sealing block 7 covers the upper end surface of the cavity in size; the upper sealing block 7 is used to seal the upper end face of the mold 5 after injection molding.
As shown in fig. 6, a jacking cylinder 14 is arranged at the bottom of the lower pressing plate 3, and the lower pressing plate 3 is driven by the jacking cylinder 14 to vertically displace; the mold bases 6 are arranged at the upper end of the lower pressure plate 3, in the embodiment, the mold bases 6 in each injection molding station are arranged into four groups corresponding to the number of the cavities, and the four groups of mold bases 6 are not limited to the same specification or shape; the lower end of the blank is provided with a lower sealing block 8, and the lower sealing block 8 covers the lower end surface of the cavity. The lower pressing plate 3 is convenient for replacing different die blanks 6, the die blanks 6 are loaded from the lower end of the die 5, and the lower sealing block 8 seals the bottom of the die 5.
Furthermore, a control switch 9 is arranged between two adjacent injection molding stations and used for manually braking the driving device of each injection molding station.
The working process of the invention is as follows, an injection molding device is arranged at a fixed station, the turntable 1 is started, the jacking cylinder 14 drives the lower pressure plate 3 to ascend, so that the mold blank 6 enters the cavity, and simultaneously the lower sealing block 8 at the bottom of the mold blank 6 seals the lower end of the mold 5. The injection molding equipment injects foaming solvent from the upper opening of the mold 5, and the lower pressing cylinder 13 is started to drive the upper sealing block 7 to seal the upper end of the mold 5 to wait for the completion of foaming. And (4) rotating the disc to move the next station to the injection molding area, and repeating the process. And (5) carrying out new injection molding circulation on the injection molded product.
Furthermore, the bottom of the upper press plate 2 is provided with a plurality of positioning columns 10, the top of the die sleeve 4 is provided with a plurality of positioning holes 11, and the positioning columns 10 and the positioning holes 11 correspond to each other and are used for positioning the pressing position of the upper press plate 2. The positioning column 10 is preferably conical or round, so that the positioning column 10 can extend into the positioning hole 11 more easily.
The embodiment also provides a mold assembly structure, as shown in fig. 4 and 5, the mold sleeve 4 includes two opposite mold sleeves 15, and the outer sides of the mold sleeves 15 are provided with driving cylinders 17 and can approach or move away from each other under the action of the driving cylinders 17; the mould 5 comprises two oppositely arranged half-moulds 16, and the two half-moulds 16 can be closed to form the cavity; the half dies 16 are longitudinally arranged on the opposite inner sides of the half die sleeve 15, and the half dies 16 correspondingly form at least three cavities which share a common symmetrical plane. When the driving cylinder 17 is started, the half mold sleeves 15 on the two sides are relatively close to each other, so that the half molds 16 in the mold sleeves 4 are closed to form an injection area for foam molding; the half-mould 15 is relatively far away and the half-moulds 16 in the mould 4 are separated so that the worker can easily take out the product in the mould 4.
Furthermore, the longitudinal side of the half mold 15 is provided with a plurality of circulation water holes 18 for cooling the half mold 15 in operation.
A plurality of injection molding stations are arranged outside the circumference of a turntable 1 at equal intervals, a mold blank 6 is assembled through a lower pressing plate 3, the lower port of a mold 5 is closed, and the upper port of the mold 5 is closed through an upper pressing plate 2; a plurality of injection molding stations are automatically circulated, and the injection molding and foaming processes can be continued only by arranging injection molding equipment at one station; and the station which finishes the injection molding waits for foaming on the turntable 1 until the foaming is finished and the next injection molding cycle is carried out after the lower die of the product is formed. The invention can finish the injection molding of products as much as possible in the time of waiting for the completion of foaming, has simple operation, high working efficiency and higher continuous working capacity.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (6)
1. A blow molding machine is characterized in that: the servo control device comprises a turntable, wherein a rotating motor is arranged at the center of the turntable and rotates under the action of the rotating motor, and the rotating motor is electrically connected to a servo center; a plurality of injection molding stations are arranged at equal intervals in the circumferential direction of the rotary table, each injection molding station comprises an upper pressing plate, a lower pressing plate and a mold sleeve, the mold sleeves are arranged on the rotary table, the upper pressing plates are arranged at the upper end of the rotary table, and the lower pressing plates are arranged at the bottom of the rotary table;
a plurality of moulds are arranged in the mould sleeve along the radial direction of the turntable, a cavity for forming the appearance of the article to be foamed is arranged in each mould, a mould blank for forming the internal structure of the article to be foamed is arranged in each cavity, and the upper end surface and the lower end surface of each mould are opened;
a lower pressing cylinder is arranged at the upper end of the upper pressing plate and can vertically displace under the driving of the lower pressing cylinder, an upper sealing block is arranged at the bottom of the upper pressing plate, and the upper sealing block covers the upper end face of the cavity in size;
the bottom of the lower pressing plate is provided with a jacking cylinder, the lower pressing plate is driven by the jacking cylinder to vertically displace, and the die blank is arranged at the upper end of the lower pressing plate; the lower end of the blank is provided with a lower sealing block, and the lower sealing block covers the lower end surface of the cavity.
2. A blow molding machine as claimed in claim 1, wherein: the bottom of the upper pressing plate is provided with a plurality of positioning columns, the top of the die sleeve is provided with a plurality of positioning holes, and the positioning columns correspond to the positioning holes.
3. A blow molding machine as claimed in claim 2, wherein: the positioning column is conical.
4. A blow molding machine as claimed in claim 2, wherein: the die sleeve comprises two half die sleeves which are oppositely arranged, and the outer sides of the half die sleeves are provided with driving cylinders which can be close to or far away from each other under the action of the driving cylinders; the mould comprises two half moulds which are oppositely arranged and can be closed to form the cavity; the half dies are longitudinally arranged on the opposite inner sides of the half die sleeves, and the half dies correspondingly form at least three cavities with the same symmetrical plane.
5. A blow molding machine as claimed in claim 4, wherein: a control switch is arranged between two adjacent injection molding stations.
6. A blow-moulding machine as claimed in claim 4 or 5, characterized in that: and a plurality of circulating water holes are formed in the longitudinal side surface of the half die sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210143855.4A CN114619648A (en) | 2022-02-17 | 2022-02-17 | Blow molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210143855.4A CN114619648A (en) | 2022-02-17 | 2022-02-17 | Blow molding machine |
Publications (1)
Publication Number | Publication Date |
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CN114619648A true CN114619648A (en) | 2022-06-14 |
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ID=81898737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202210143855.4A Pending CN114619648A (en) | 2022-02-17 | 2022-02-17 | Blow molding machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118084298A (en) * | 2024-04-25 | 2024-05-28 | 安徽鑫民玻璃股份有限公司 | Variable station full-automatic pressing and blowing dual-purpose kettle machine for glass product production |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN214926407U (en) * | 2021-03-30 | 2021-11-30 | 江阴方辰汽车零部件有限公司 | Rotating disc type foaming forming machine |
-
2022
- 2022-02-17 CN CN202210143855.4A patent/CN114619648A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN214926407U (en) * | 2021-03-30 | 2021-11-30 | 江阴方辰汽车零部件有限公司 | Rotating disc type foaming forming machine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118084298A (en) * | 2024-04-25 | 2024-05-28 | 安徽鑫民玻璃股份有限公司 | Variable station full-automatic pressing and blowing dual-purpose kettle machine for glass product production |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220614 |
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RJ01 | Rejection of invention patent application after publication |