CN111941802A - Blow molding mold structure - Google Patents
Blow molding mold structure Download PDFInfo
- Publication number
- CN111941802A CN111941802A CN202010807904.0A CN202010807904A CN111941802A CN 111941802 A CN111941802 A CN 111941802A CN 202010807904 A CN202010807904 A CN 202010807904A CN 111941802 A CN111941802 A CN 111941802A
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- CN
- China
- Prior art keywords
- injection
- cavity
- mold
- mold structure
- sliding block
- 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.)
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- 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
-
- 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
-
- 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
- B29C2049/4879—Moulds characterised by mould configurations
Abstract
The invention is suitable for the field of moulds, in particular to a blow molding mould structure, which comprises a frame body; a first injection mold structure and a second injection mold structure are arranged on the frame body; the structure also includes a slider structure; the sliding block structure is connected to the first injection mold structure and/or the second injection mold structure in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; the second injection mold structure is internally provided with a film blowing cavity and a second injection cavity, and a product in the second injection cavity is stretched by a stretching structure inserted in the second injection cavity; the second injection mould structure is provided with a blowing needle air inlet communicated with the second injection cavity; the integrated structure can simultaneously inject two materials, and simultaneously perform blow molding on one sizing material to complete the injection molding and blow molding integrated product structure, has simple structure and reliable molding, solves the problem that the combined product of two different processes can not be designed into one and solves the problem that the molds of the two processes are difficult to combine.
Description
Technical Field
The invention relates to the field of molds, in particular to a blow molding mold structure.
Background
Suitable plastics for blow molding are polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the resulting hollow containers are widely used as industrial packaging containers. Blow molding can be classified into extrusion blow molding and injection blow molding according to the parison making method, and newly developed are multilayer blow molding and stretch blow molding.
The prior art cannot realize the process from a first injection molding cavity to a second injection molding cavity, and further a combined product of two different processes cannot be designed into a product, so that the dies of the two processes are difficult to combine.
Disclosure of Invention
The invention aims to provide a blow molding mold structure, which aims to solve the problems that the prior art cannot realize the process from one injection molding cavity to two injection molding cavities, a combined product of two different processes cannot be designed into one product, and the molds of the two processes are difficult to combine. In order to achieve the purpose, the invention provides the following technical scheme:
a blow molding mold structure comprises a frame body;
a first injection mold structure and a second injection mold structure are arranged on the frame body, the first injection mold structure is used for carrying out primary injection molding, and the second injection mold structure is used for carrying out secondary blow molding;
the structure also includes a slider structure;
the sliding block structure is connected to the first injection mold structure and/or the second injection mold structure in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; wherein the content of the first and second substances,
a film blowing cavity and a second injection cavity are formed in the second injection mold structure, and a product in the second injection cavity is stretched by a stretching structure penetrating in the second injection cavity;
the second injection mold is structurally provided with a blowing needle air inlet communicated with the second injection cavity, and products in the film blowing cavity are subjected to blow molding by utilizing the air inlet of the blowing needle.
After the first injection mold structure is used for carrying out one-time injection molding, the sliding block structure is used for moving to complete mold splitting of the second injection mold structure, a product of a bottle blank injected is conveyed into the second injection mold structure, the sliding block structure is used for moving to match a mold and enters the second injection cavity, the product in the second injection cavity is stretched by the stretching structure inserted in the second injection cavity, the air is introduced from the air inlet hole of the blowing needle to blow mold the product in the film blowing cavity, and finally the product is ejected out; the integrated structure can simultaneously inject two materials, and simultaneously perform blow molding on one sizing material to complete the injection molding and blow molding integrated product structure, has simple structure and reliable molding, solves the problem that the combined product of two different processes can not be designed into one and solves the problem that the molds of the two processes are difficult to combine.
In the invention: the first injection mold structure and the second injection mold structure are symmetrically distributed on the frame body in parallel.
Further scheme: a first injection cavity is formed in the first injection mold structure, and injection molding is carried out by utilizing the first injection cavity.
Further scheme: and a rotating main shaft is additionally arranged on the frame body.
In the invention: the sliding block structure comprises a sliding block A and a sliding block B;
the sliding block A and the sliding block B are provided with the same structure and slide by utilizing a guide structure.
Further scheme: the guide structure is a guide rail mechanism, and the sliding block A and the sliding block B slide through the guide rail mechanism to complete die assembly and die separation.
In the invention: the stretching structure is provided with a stretching rod, and the product in the second shooting cavity is stretched by the stretching rod inserted in the second shooting cavity.
Further scheme: the power transmission of the stretching rod is connected to the power structure, and the stretching rod performs stretching action by utilizing the power structure.
Preferably: the power structure is a cylinder.
Compared with the prior art, the blow molding die structure comprises a frame body; a first injection mold structure and a second injection mold structure are arranged on the frame body, the first injection mold structure is used for carrying out primary injection molding, and the second injection mold structure is used for carrying out secondary blow molding; the structure also includes a slider structure; the sliding block structure is connected to the first injection mold structure and/or the second injection mold structure in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; the second injection mold structure is internally provided with a film blowing cavity and a second injection cavity, and a product in the second injection cavity is stretched by a stretching structure inserted in the second injection cavity; the second injection mold is structurally provided with a blowing needle air inlet communicated with the second injection cavity, and the product in the film blowing cavity is subjected to blow molding by utilizing the air inlet of the blowing needle; after the first injection mold structure is used for carrying out one-time injection molding, the sliding block structure is used for moving to complete mold splitting of the second injection mold structure, a product of a bottle blank injected is conveyed into the second injection mold structure, the sliding block structure is used for moving to match a mold and enters the second injection cavity, the product in the second injection cavity is stretched by the stretching structure inserted in the second injection cavity, the air is introduced from the air inlet hole of the blowing needle to blow mold the product in the film blowing cavity, and finally the product is ejected out; the integrated structure can simultaneously inject two materials, and simultaneously perform blow molding on one sizing material to complete the injection molding and blow molding integrated product structure, has simple structure and reliable molding, solves the problem that the combined product of two different processes can not be designed into one and solves the problem that the molds of the two processes are difficult to combine.
Drawings
FIG. 1 is a schematic structural diagram of a blow molding mold structure according to the present invention.
Fig. 2 is a schematic cross-sectional view of the first injection mold structure shown in fig. 1.
Fig. 3 is a schematic cross-sectional view of the second injection mold structure shown in fig. 1.
In the figure:
1-a slide block A; 2-a slide block B; 3-a first shot mold structure; 4-a second shot mold structure; 5-rotating the main shaft;
31-a first shooting cavity; 41-blowing a film cavity; 42-a second shooting cavity; 43-air inlet hole of blowing needle; 44-stretch rod.
Detailed Description
The invention aims to provide a blow molding mold structure, which aims to solve the problems that the prior art cannot realize the process from one injection molding cavity to two injection molding cavities, a combined product of two different processes cannot be designed into one product, and the molds of the two processes are difficult to combine. In order to achieve the purpose, the invention provides the following technical scheme:
in an embodiment of the present invention, as shown in fig. 1 and 3, a blow molding mold structure includes a frame body; a first injection mold structure 3 and a second injection mold structure 4 are arranged on the frame body, the first injection mold structure 3 is used for carrying out primary injection molding, and the second injection mold structure 4 is used for carrying out secondary blow molding; the structure also includes a slider structure; the sliding block structure is connected to the first injection mold structure 3 and/or the second injection mold structure 4 in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; a film blowing cavity 41 and a second injection cavity 42 are formed in the second injection mold structure 4, and a product in the second injection cavity 42 is stretched by a stretching structure inserted in the second injection cavity; and a blowing needle air inlet hole 43 communicated with the second injection cavity 42 is formed in the second injection mold structure 4, and the product in the film blowing cavity 41 is subjected to blow molding by utilizing the air inlet of the blowing needle air inlet hole 43.
In the embodiment of the invention, after the first injection mold structure 3 is used for one-time injection molding, the slide block structure is used for moving to complete the mold splitting of the second injection mold structure 4, a product of a bottle blank is conveyed into the second injection mold structure 4, the slide block structure is used for moving and closing the mold, the product enters the second injection cavity 42, the product in the second injection cavity 42 is stretched by the stretching structure inserted in the second injection cavity 42, the air in the air inlet hole 43 of the blowing needle is used for blowing and molding the product in the film blowing cavity 41, and finally the product is ejected; the integrated structure can simultaneously inject two materials, and simultaneously perform blow molding on one sizing material to complete the injection molding and blow molding integrated product structure, has simple structure and reliable molding, solves the problem that the combined product of two different processes can not be designed into one and solves the problem that the molds of the two processes are difficult to combine.
In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the first injection mold structure 3 and the second injection mold structure 4 are symmetrically distributed on the frame body in parallel. In a further scheme, a first injection cavity 31 is formed in the first injection mold structure 3, and the first injection cavity 31 is used for one-time injection molding; and a rotating main shaft 5 is additionally arranged on the frame body.
In the embodiment of the present invention, as shown in fig. 1, the slider structure includes a slider a1 and a slider B2; the slider A1 and the slider B2 are provided with the same structure and slide by using a guide structure. In a further scheme, the guide structure is a guide rail mechanism, and the slide block A1 and the slide block B2 slide through the guide rail mechanism to complete mold closing and mold splitting. The guide structure is not limited to a guide rail mechanism, and may be a limit rod, a limit chute, or the like, as long as the slide blocks a1 and B2 can slide, and preferably, the guide structure is a guide rail mechanism.
In the embodiment of the present invention, as shown in fig. 3, the stretching structure is provided with a stretching rod 44, and the product inside the second shooting chamber 42 is stretched by the stretching rod 44 inserted inside; in a further scheme, the stretching rod 44 is in power transmission connection with a power structure and performs stretching action by using the power structure; in a further aspect, the power structure is a cylinder. The power structure is not limited to the air cylinder, and can be replaced by a hydraulic cylinder or a threaded rod and a nut are matched for transmission, so long as the requirement for utilizing the power structure to perform stretching action can be met, and the power structure is preferably the air cylinder.
The invention relates to a blow molding mold structure, which comprises a frame body; a first injection mold structure 3 and a second injection mold structure 4 are arranged on the frame body, the first injection mold structure 3 is used for carrying out primary injection molding, and the second injection mold structure 4 is used for carrying out secondary blow molding; the structure also includes a slider structure; the sliding block structure is connected to the first injection mold structure 3 and/or the second injection mold structure 4 in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; a film blowing cavity 41 and a second injection cavity 42 are formed in the second injection mold structure 4, and a product in the second injection cavity 42 is stretched by a stretching structure inserted in the second injection cavity; a blowing needle air inlet hole 43 communicated with the second injection cavity 42 is formed in the second injection mold structure 4, and a product in the film blowing cavity 41 is subjected to blow molding by utilizing the air inlet of the blowing needle air inlet hole 43; after the first injection mold structure 3 is used for carrying out primary injection molding, the slide block structure is used for moving to complete mold separation of the second injection mold structure 4, a product of a bottle blank is conveyed into the second injection mold structure 4, the slide block structure is used for moving to mold, the mold is closed, the product enters the second injection cavity 42, the product inside the second injection cavity 42 is stretched by the stretching structure inserted inside, air is fed through the air inlet hole 43 of the blowing needle to blow mold the product inside the film blowing cavity 41, and finally the product is ejected; the integrated structure can simultaneously inject two materials, and simultaneously perform blow molding on one sizing material to complete the injection molding and blow molding integrated product structure, has simple structure and reliable molding, solves the problem that the combined product of two different processes can not be designed into one and solves the problem that the molds of the two processes are difficult to combine.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A blow molding mold structure is characterized in that,
comprises a frame body;
a first injection mold structure and a second injection mold structure are arranged on the frame body, the first injection mold structure is used for carrying out primary injection molding, and the second injection mold structure is used for carrying out secondary blow molding;
the structure also includes a slider structure;
the sliding block structure is connected to the first injection mold structure and/or the second injection mold structure in a sliding mode, and the sliding block structure is used for moving to complete mold closing and mold splitting; wherein the content of the first and second substances,
a film blowing cavity and a second injection cavity are formed in the second injection mold structure, and a product in the second injection cavity is stretched by a stretching structure penetrating in the second injection cavity;
the second injection mold is structurally provided with a blowing needle air inlet communicated with the second injection cavity, and products in the film blowing cavity are subjected to blow molding by utilizing the air inlet of the blowing needle.
2. A blow molded mold structure as in claim 1 wherein the first and second injection mold structures are symmetrically disposed in parallel on the frame.
3. A blow molding mold structure according to claim 2, wherein a first injection cavity is formed inside the first injection mold structure, and the first injection cavity is used for one-time injection molding.
4. A blow molded mold structure as in claim 2 wherein the frame body is attached with a rotating spindle.
5. A blow molded mold structure as in claim 1,
the sliding block structure comprises a sliding block A and a sliding block B;
the sliding block A and the sliding block B are provided with the same structure and slide by utilizing a guide structure.
6. A blow molded mold structure according to claim 5 wherein said guide structure is a rail mechanism, and wherein slide A and slide B slide through the rail mechanism to complete mold closing and mold opening.
7. A blow-molded mold structure as claimed in claim 1, wherein the stretching structure is provided with a stretching rod, and the product inside the second shot cavity is stretched by the stretching rod inserted inside.
8. A blow molded mold structure as in claim 7 wherein the stretch rod is power transmission connected to and utilizes a power structure to perform the stretching action.
9. A blow molded mold structure as in claim 8 wherein the motive structure is a pneumatic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807904.0A CN111941802A (en) | 2020-08-12 | 2020-08-12 | Blow molding mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807904.0A CN111941802A (en) | 2020-08-12 | 2020-08-12 | Blow molding mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111941802A true CN111941802A (en) | 2020-11-17 |
Family
ID=73332547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010807904.0A Pending CN111941802A (en) | 2020-08-12 | 2020-08-12 | Blow molding mold structure |
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| CN (1) | CN111941802A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536466A (en) * | 1975-03-03 | 1978-12-20 | Emhart Ind | Method of injection-blow moulding biaxially-oriented hollow plastics containers |
| US4321029A (en) * | 1979-02-20 | 1982-03-23 | Katashi Aoki | Injection blow molder for duplex hollow molded articles |
| JPS5793126A (en) * | 1980-12-02 | 1982-06-10 | Sumitomo Heavy Ind Ltd | Multilayer stretching blow molding machine |
| GB2094220A (en) * | 1981-02-03 | 1982-09-15 | Katashi Aoki | Injection stretching and blow moulding machine |
| US4422843A (en) * | 1981-03-13 | 1983-12-27 | Katashi Aoki | Injection stretching blow molding machine |
| JPH0214119A (en) * | 1989-05-10 | 1990-01-18 | Aoki Shigeto | Secondary injection molding method for thin wall hollow molded product |
| JPWO2012111728A1 (en) * | 2011-02-18 | 2014-07-07 | 日精エー・エス・ビー機械株式会社 | Blow molding machine |
| CN104175530A (en) * | 2014-04-04 | 2014-12-03 | 林玉斋 | Multi-movable plate automatic bottle making machine |
-
2020
- 2020-08-12 CN CN202010807904.0A patent/CN111941802A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1536466A (en) * | 1975-03-03 | 1978-12-20 | Emhart Ind | Method of injection-blow moulding biaxially-oriented hollow plastics containers |
| US4321029A (en) * | 1979-02-20 | 1982-03-23 | Katashi Aoki | Injection blow molder for duplex hollow molded articles |
| JPS5793126A (en) * | 1980-12-02 | 1982-06-10 | Sumitomo Heavy Ind Ltd | Multilayer stretching blow molding machine |
| GB2094220A (en) * | 1981-02-03 | 1982-09-15 | Katashi Aoki | Injection stretching and blow moulding machine |
| US4422843A (en) * | 1981-03-13 | 1983-12-27 | Katashi Aoki | Injection stretching blow molding machine |
| JPH0214119A (en) * | 1989-05-10 | 1990-01-18 | Aoki Shigeto | Secondary injection molding method for thin wall hollow molded product |
| JPWO2012111728A1 (en) * | 2011-02-18 | 2014-07-07 | 日精エー・エス・ビー機械株式会社 | Blow molding machine |
| CN104175530A (en) * | 2014-04-04 | 2014-12-03 | 林玉斋 | Multi-movable plate automatic bottle making machine |
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Application publication date: 20201117 |