CN111002563A - In-mold cooling and cutting device of blow mold - Google Patents

In-mold cooling and cutting device of blow mold Download PDF

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Publication number
CN111002563A
CN111002563A CN201911305796.0A CN201911305796A CN111002563A CN 111002563 A CN111002563 A CN 111002563A CN 201911305796 A CN201911305796 A CN 201911305796A CN 111002563 A CN111002563 A CN 111002563A
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CN
China
Prior art keywords
cutting
mold
cooling
arc
shaped notch
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
Application number
CN201911305796.0A
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Chinese (zh)
Inventor
蔡静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Weili Plastic Auto Parts Co Ltd
Original Assignee
Kunshan Weili Plastic Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Weili Plastic Auto Parts Co Ltd filed Critical Kunshan Weili Plastic Auto Parts Co Ltd
Priority to CN201911305796.0A priority Critical patent/CN111002563A/en
Publication of CN111002563A publication Critical patent/CN111002563A/en
Pending legal-status Critical Current

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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
    • 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
    • B29C49/4823—Moulds with incorporated heating or cooling 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
    • B29C49/48—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
    • B29C49/78—Measuring, controlling or regulating
    • 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
    • B29C49/4823—Moulds with incorporated heating or cooling means
    • B29C2049/4825—Moulds with incorporated heating or cooling means for cooling moulds or mould parts

Abstract

The invention provides an in-mold cooling and cutting device of a blow mold, which comprises a blow mold body, wherein a mold cavity is arranged in the blow mold body, two opposite ends of the mold cavity respectively extend to the outside of the blow mold body to form a first cavity opening and a second cavity opening, a first sealing part is arranged at the first cavity opening, a second sealing part is arranged at the second cavity opening, the first sealing part and the second sealing part are both connected with a cooling part, an air outlet pipe of the cooling part penetrates into the mold cavity, a cutting mechanism is respectively arranged at the first cavity opening and the second cavity opening and comprises a first cutting part and a second cutting part, and the cutting end of the first cutting part and the cutting end of the second cutting part are respectively abutted against two opposite side walls of a blank. Compared with the prior art, the blow molding product is fully cooled through the cooling part, the product deformation is avoided, and meanwhile, the stub bar of the product is cut in the mold cavity through the cutting mechanism, so that the cutting effect is improved, and the cost of cutting outside the mold is avoided.

Description

In-mold cooling and cutting device of blow mold
Technical Field
The invention relates to a blow mold, in particular to an in-mold cooling and cutting device of the blow mold.
Background
The existing blow molding die can only cool a product through die temperature, the blow molding product often generates irregular deformation due to insufficient cooling after demolding, and simultaneously stub bar cutting needs to be carried out outside the die after the existing product is subjected to blow molding in the blow molding die.
Disclosure of Invention
In view of this, the invention provides an in-mold cooling and cutting device for a blow mold, which enables a blow molding product to be sufficiently cooled through a cooling part compared with the prior art, avoids product deformation, and simultaneously cuts a stub bar of the product in a mold cavity through a cutting mechanism, improves cutting effect and avoids cost of cutting outside the mold.
The invention provides an in-mold cooling and cutting device of a blow mold, which comprises a blow mold body, wherein a mold cavity is arranged in the blow mold body, two opposite ends of the mold cavity respectively extend to the outside of the blow mold body to form a first cavity opening and a second cavity opening, a first sealing part is arranged at the first cavity opening, a second sealing part is arranged at the second cavity opening, the first sealing part and the second sealing part are both connected with a cooling part, an air outlet pipe of the cooling part penetrates into the mold cavity, a cutting mechanism is respectively arranged at the first cavity opening and the second cavity opening and comprises a first cutting part and a second cutting part, and the cutting end of the first cutting part and the cutting end of the second cutting part are respectively abutted against two opposite side walls of a blank.
Furthermore, a first arc-shaped notch is formed in the first cutting component, a second arc-shaped notch is formed in the second cutting component, and the material blank is positioned between the first arc-shaped notch and the second arc-shaped notch.
Furthermore, a first cutting knife is slidably mounted in the first arc-shaped notch, a second cutting knife is slidably mounted in the second arc-shaped notch, and the first cutting knife and the second cutting knife are respectively abutted to two opposite side walls of the material blank.
Furthermore, the first cutting part and the second cutting part are respectively connected with an oil cylinder.
Further, first cutting unit and second cutting unit all connect in the oil output end of hydro-cylinder through the fixed block.
Furthermore, a third arc-shaped notch is formed in the first cutting component, and a fourth arc-shaped notch is formed in the second cutting component.
Furthermore, the third arc-shaped notch and the first arc-shaped notch are respectively positioned at two opposite ends of the first cutting component in the length direction, and the fourth arc-shaped notch and the second arc-shaped notch are respectively positioned at two opposite ends of the second cutting component in the length direction.
Furthermore, the bottoms of the first cutting knife and the second cutting knife are provided with guide posts.
Furthermore, the first cutting knife and the second cutting knife are both arc-shaped cutting knives.
Further, the cooling part is an air cooler.
The invention provides an in-mold cooling and cutting device of a blow mold, which comprises a blow mold body, a first sealing part, a second sealing part, a cooling part and a cutting mechanism, wherein a mold cavity is arranged in the blow mold body, two opposite ends of the mold cavity respectively extend to the outside of the blow mold body and form a first cavity opening and a second cavity opening, after a blank enters the mold cavity from the first cavity opening or the second cavity opening, the first cavity opening is tightly sealed by the first sealing part, the second cavity opening is tightly sealed by the second air opening part, the blow molding and cooling work sequentially starts, the cutting mechanism is started after the blank is cooled, the cutting mechanism comprises a first cutting part and a second cutting part, the first cutting part and the second cutting part are respectively connected with an oil cylinder, and a cutting knife on the cutting part cuts the blank under the pressure of oil.
Therefore, compared with the prior art, the invention has the following advantages:
1. the cooling part is controlled by the electromagnetic valve control unit, so that synchronous implementation of blow molding and product cooling is realized, and the cooling efficiency is improved by about 20-30%;
2. the cutting mechanism is used for cutting the stub bar of the product in the die cavity, so that the cost input caused by the external cutting of the die is avoided, and the appearance and the dimensional stability of the cut in the die are far higher than those of the external cutting;
3. the blow molding product is fully cooled in the mold, and the irregular deformation of the product due to insufficient cooling can be avoided after the product is demolded.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of an in-mold cooling and cutting device for a blow mold according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an in-mold cooling and cutting device of a blow mold according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to 2, the embodiment provides an in-mold cooling and cutting device for a blow mold, which includes a blow mold body 1, a mold cavity 11 is disposed in the blow mold body 1, opposite ends of the mold cavity 11 respectively extend to the outside of the blow mold body 1 to form a first cavity opening 111 and a second cavity opening 112, a first sealing member 2 is mounted at the first cavity opening 111, a second sealing member 3 is mounted at the second cavity opening 112, the first sealing member 2 and the second sealing member 3 are both connected with a cooling member 4, an air outlet pipe 41 of the cooling member 4 penetrates into the mold cavity 11, a cutting mechanism 5 is respectively mounted at the first cavity opening 111 and the second cavity opening 112, the cutting mechanism 5 includes a first cutting member 51 and a second cutting member 52, and a cutting end of the first cutting member 51 and a cutting end of the second cutting member 52 respectively abut against two opposite side walls of a parison 6.
With continued reference to fig. 1 to 2, a first arc-shaped notch 511 is formed in the first cutting member 51, a second arc-shaped notch 521 is formed in the second cutting member 52, the blank 6 is positioned between the first arc-shaped notch 511 and the second arc-shaped notch 521, a first cutter 512 is slidably mounted in the first arc-shaped notch 511, a second cutter 522 is slidably mounted in the second arc-shaped notch 521, the first cutter 512 and the second cutter 522 abut against two opposite side walls of the blank 6, the first cutting member 51 and the second cutting member 52 are respectively connected with an oil cylinder 53, the first cutting member 51 and the second cutting member 52 are both connected to an oil outlet end of the oil cylinder 53 through a fixing block 531, a third arc-shaped notch 513 is formed in the first cutting member 51, a fourth arc-shaped notch 523 is formed in the second cutting member 52, the third arc-shaped notch 513 and the first arc-shaped notch 511 are respectively located at two opposite ends of the first cutting member 51 in the length direction, the fourth arc-shaped notch 523 and the second arc-shaped notch 521 are respectively located at two opposite ends of the length direction of the second cutting component 52, the guide columns 54 are arranged at the bottoms of the first cutting knife 512 and the second cutting knife 522, the first cutting knife 512 and the second cutting knife 522 are both arc-shaped cutting knives, and the cooling component 4 is an air cooler.
The invention provides an in-mold cooling and cutting device of a blow mold, which comprises a blow mold body, a first sealing part, a second sealing part, a cooling part and a cutting mechanism, wherein a mold cavity is arranged in the blow mold body, two opposite ends of the mold cavity respectively extend to the outside of the blow mold body and form a first cavity opening and a second cavity opening, after a blank enters the mold cavity from the first cavity opening or the second cavity opening, the first cavity opening is tightly sealed by the first sealing part, the second cavity opening is tightly sealed by the second air opening part, the blow molding and cooling work sequentially starts, the cutting mechanism is started after the blank is cooled, the cutting mechanism comprises a first cutting part and a second cutting part, the first cutting part and the second cutting part are respectively connected with an oil cylinder, and a cutting knife on the cutting part cuts the blank under the pressure of oil.
The third arc breach and the fourth arc breach that additionally add on first cutting member and the second cutting member are used for the oil pressure on balanced cutting knife both sides, reduce the oil pressure difference that the cutting knife both sides received to improve the life of cutting knife.
Therefore, compared with the prior art, the invention has the following advantages:
1. the cooling part is controlled by the electromagnetic valve control unit, so that synchronous implementation of blow molding and product cooling is realized, and the cooling efficiency is improved by about 20-30%;
2. the cutting mechanism is used for cutting the stub bar of the product in the die cavity, so that the cost input caused by the external cutting of the die is avoided, and the appearance and the dimensional stability of the cut in the die are far higher than those of the external cutting;
3. the blow molding product is fully cooled in the mold, and the irregular deformation of the product due to insufficient cooling can be avoided after the product is demolded.
Example two:
referring to fig. 1 to fig. 2, there are shown in the drawings an in-mold cooling and cutting device for a blow mold according to a second embodiment of the present invention, and on the basis of the above embodiments, the following further improvements are made in this embodiment as technical solutions: be provided with die cavity 11 in the blow mold body 1, the relative both ends of die cavity 11 extend to the outside of blow mold body 1 respectively and form first accent 111 and second accent 112, first accent 111 department installs first seal part 2, second accent 112 department installs second seal part 3, first seal part 2 and second seal part 3 all are connected with cooling part 4, the outlet duct 41 of cooling part 4 wears to establish and gets into die cavity 11, the scavenge port has all been seted up at first seal part 2 and second seal part 3's top, open the scavenge port when cooling part 4 leads to cold air to inside, accelerate the outflow of the interior steam of die cavity 11, further improve cooling efficiency.
Example three:
referring to fig. 1 to fig. 2, there is shown an in-mold cooling and cutting device for a blow mold according to a third embodiment of the present invention, and on the basis of the above embodiments, the present embodiment further provides the following improvements: cutting mechanism 5 includes first cutting member 51 and second cutting member 52, first arc breach 511 has been seted up on the first cutting member 51, second arc breach 521 has been seted up on the second cutting member 52, slidable mounting has first cutting knife 512 in first arc breach 511, slidable mounting has second cutting knife 522 in second arc breach 521, first cutting knife 512 and second cutting knife 522 butt respectively on the relative both sides wall of material embryo 6, be provided with first sealing washer between first arc breach 511 and the first cutting knife 512, be provided with the second sealing washer between second arc breach 521 and the second cutting knife 522, the effect of sealing washer lies in preventing that oil from overflowing.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The in-mold cooling and cutting device of the blow mold is characterized by comprising a blow mold body (1), wherein a mold cavity (11) is arranged in the blow mold body (1), the opposite two ends of the mold cavity (11) respectively extend to the outside of the blow mold body (1) and form a first cavity opening (111) and a second cavity opening (112), the first cavity opening (111) is provided with a first sealing part (2), the second cavity opening (112) is provided with a second sealing part (3), the first sealing part (2) and the second sealing part (3) are both connected with a cooling part (4), an air outlet pipe (41) of the cooling part (4) penetrates through the mold cavity (11), the first cavity opening (111) and the second cavity opening (112) are respectively provided with a cutting mechanism (5), and the cutting mechanism (5) comprises a first cutting part (51) and a second cutting part (52), the cutting end of the first cutting part (51) and the cutting end of the second cutting part (52) are respectively abutted against two opposite side walls of the blank (6).
2. The in-mold cooling and cutting device for the blow mold according to claim 1, wherein the first cutting member (51) is provided with a first arc-shaped notch (511), the second cutting member (52) is provided with a second arc-shaped notch (521), and the parison (6) is positioned between the first arc-shaped notch (511) and the second arc-shaped notch (521).
3. The in-mold cooling and cutting device for the blow molding mold according to claim 2, wherein a first cutter (512) is slidably installed in the first arc-shaped notch (511), a second cutter (522) is slidably installed in the second arc-shaped notch (521), and the first cutter (512) and the second cutter (522) abut against two opposite side walls of the blank (6), respectively.
4. An in-mold cooling and cutting device for a blow mold according to claim 3, wherein an oil cylinder (53) is connected to each of the first cutting member (51) and the second cutting member (52).
5. The in-mold cooling and cutting device for a blow mold according to claim 4, wherein the first cutting member (51) and the second cutting member (52) are connected to the oil outlet end of the oil cylinder (53) through a fixing block (531).
6. The in-mold cooling and cutting device for the blow mold according to claim 5, wherein the first cutting member (51) is provided with a third arc-shaped notch (513), and the second cutting member (52) is provided with a fourth arc-shaped notch (523).
7. The in-mold cooling and cutting device for a blow mold according to claim 6, wherein the third arc-shaped notch (513) and the first arc-shaped notch (511) are respectively located at opposite ends of the first cutting member (51) in the length direction, and the fourth arc-shaped notch (523) and the second arc-shaped notch (521) are respectively located at opposite ends of the second cutting member (52) in the length direction.
8. An in-mold cooling and cutting device for a blow mold according to claim 7, wherein the bottom of the first cutting knife (512) and the bottom of the second cutting knife (522) are provided with guide posts (54).
9. An in-mold cooling and cutting device for a blow mold according to claim 8, wherein the first cutting knife (512) and the second cutting knife (522) are both curved cutting knives.
10. An in-mold cooling and cutting device for a blow mold according to any one of claims 1 to 9, wherein the cooling member (4) is an air cooler.
CN201911305796.0A 2019-12-17 2019-12-17 In-mold cooling and cutting device of blow mold Pending CN111002563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911305796.0A CN111002563A (en) 2019-12-17 2019-12-17 In-mold cooling and cutting device of blow mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911305796.0A CN111002563A (en) 2019-12-17 2019-12-17 In-mold cooling and cutting device of blow mold

Publications (1)

Publication Number Publication Date
CN111002563A true CN111002563A (en) 2020-04-14

Family

ID=70115898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911305796.0A Pending CN111002563A (en) 2019-12-17 2019-12-17 In-mold cooling and cutting device of blow mold

Country Status (1)

Country Link
CN (1) CN111002563A (en)

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