WO2020114024A1 - 硫化橡胶靴及其压铸成型模具、制造设备和制造方法 - Google Patents

硫化橡胶靴及其压铸成型模具、制造设备和制造方法 Download PDF

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Publication number
WO2020114024A1
WO2020114024A1 PCT/CN2019/103775 CN2019103775W WO2020114024A1 WO 2020114024 A1 WO2020114024 A1 WO 2020114024A1 CN 2019103775 W CN2019103775 W CN 2019103775W WO 2020114024 A1 WO2020114024 A1 WO 2020114024A1
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WO
WIPO (PCT)
Prior art keywords
mold
barrel
die
shoe last
casting
Prior art date
Application number
PCT/CN2019/103775
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English (en)
French (fr)
Inventor
王决
宗永江
Original Assignee
北京东石联合贸易有限公司
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Application filed by 北京东石联合贸易有限公司 filed Critical 北京东石联合贸易有限公司
Priority to US17/311,268 priority Critical patent/US20220016860A1/en
Publication of WO2020114024A1 publication Critical patent/WO2020114024A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/0009Producing footwear by injection moulding; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/0009Producing footwear by injection moulding; Apparatus therefor
    • B29D35/0018Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/122Soles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14Multilayered parts
    • B29D35/146Uppers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/246Uncured, e.g. green

Definitions

  • the invention relates to a vulcanized rubber boot and its die-casting mold, manufacturing equipment and manufacturing method.
  • Vulcanized rubber boots are widely used in various industries, such as labor insurance, firefighting, fishery, outdoor sports, fashion... It has high requirements for waterproof performance. For certain specific operating conditions, it may be necessary to line the inside of the vulcanized rubber boots with the boot lining, especially the boot lining with foam material and thermal insulation material.
  • a rubber sheet with a predetermined shape and thickness is manufactured through processes such as kneading, extrusion, and calendering. Workers put the boot lining on the shoe last on the production line, and pre-manufactured rubber sheets of various shapes are closely applied to the boot lining in a predetermined manner to form the barrel portion of the vulcanized rubber boot. Depending on the process, the pre-manufactured sole can be pasted to the barrel part of the vulcanized rubber boot before or after vulcanization to complete the overall manufacturing.
  • a die-casting mold for vulcanized rubber boots including: a combined barrel mold with an inner cavity corresponding to the barrel of a rubber boot; a shoe last mold with a separating element having a rubber boot
  • the main body shape of the main body corresponds to the main body, and two or more separating elements provided on the main body, the shoe last mold is adapted to be installed into the inner cavity of the main body mold
  • a die casting molding cavity is formed between the wall of the inner cavity and the outer surface of the shoe last mold, the die casting molding cavity is divided into two or more parts by the shoe last mold and the barrel mold; and
  • the partition element of the shoe last mold includes two partition plates respectively extending from the front side and the rear side of the shoe last mold.
  • the two partition plates divide the die-casting molding cavity into a left cavity and a right cavity.
  • the barrel mold includes a left barrel mold and a right barrel mold that can be matched and installed with each other; the two partition plates will correspond to the left cavity and the right cavity corresponding to the left barrel mold and the right barrel mold The rooms are separated.
  • the partition element of the shoe last mold includes three partition plates, a first partition plate extends rearward from the shoe last mold, and a second partition plate and a third partition plate extend from the shoe last The mold extends to the left and right, respectively.
  • the three partition plates divide the die-casting molding cavity into three chambers: a middle chamber, a left chamber and a right chamber .
  • the barrel mold includes three barrel mold parts that can be installed in cooperation with each other; the three partition plates divide the middle chamber, the left chamber and the right chamber respectively corresponding to the three barrel molds Separate.
  • the partition element of the shoe last mold includes a partition plate, a left step portion and a right step portion, the partition plate extends from the shoe last mold to the rear side, the left step portion and The right-side stepped portions extend vertically on the left and right sides of the shoe last mold, respectively.
  • the partition plate, the left step portion and the right step portion divide the die-casting molding cavity into a middle cavity, a left cavity and Right chamber.
  • the barrel mold includes a middle barrel mold, a left barrel mold, and a right barrel mold that can be installed in cooperation with each other; the partition plate, the left step portion, and the right step portion will be in contact with the middle barrel mold , The middle chamber, left chamber and right chamber corresponding to the left cylinder mold and the right cylinder mold are separated.
  • the left step portion and the right step portion of the shoe last mold cooperate with the left and right sides of the middle barrel mold to form an intermediate cavity; the left barrel mold and the right barrel mold are surrounded The middle and rear parts of the shoe last mold cooperate with the partition plate to form a left chamber and a right chamber.
  • the shoe last mold further includes a top stepped portion for closing the upper part of the intermediate chamber.
  • the shoe last mold and the intermediate barrel mold further include lower step portions that cooperate with each other to close the lower portion of the intermediate chamber.
  • the left barrel mold and the right barrel mold include a stepped portion that cooperates with the shoe last mold and the middle barrel mold to form closed left and right chambers.
  • the left cylinder body mold and the right cylinder body mold cooperate to surround the middle cylinder body mold and the shoe last mold.
  • the inner surface of the barrel mold has features suitable for combining with a rubber surface.
  • it further includes: a second shoe last mold without a partition element, which is suitable for being installed in the inner cavity of the barrel mold.
  • the second shoe last mold has a shape corresponding to the barrel of the rubber boot to form a barrel between the wall of the inner cavity of the barrel mold and the outer surface of the shoe last mold without the partition plate Body forming cavity.
  • the second shoe last mold has a shape different from the barrel of the rubber boot.
  • the second shoe last mold has an inflation channel suitable for connecting an external pressurized air source and a vent hole provided on the surface.
  • an airbag is provided on the second shoe last mold.
  • the top of the barrel mold and the bottom of the glue injection deflector have joint parts that cooperate with each other, and the glue injection deflector is suitable for clamping the mold to the barrel mold through the joint part top.
  • the die-casting mold further includes: a outsole mold with a large-bottom injection hole, and a outsole mold cavity corresponding to the shape of the sole of the rubber boot, used for die-casting molding the sole of the rubber boot; the outsole mold has a large The bottom joint part is suitable for clamping to the top of the barrel mold and the top of the glue injection deflector through the large bottom joint part.
  • the plate body is further provided with a distribution chamber, and the distribution chamber is connected with the injection hole through the injection channel and connected with the annular injection channel through the diversion channel.
  • each guide channel connects the distribution chamber to the annular injection channel; preferably, there are four guide channels, spaced around the distribution chamber distributed.
  • the injection hole is provided on one side of the plate body, and the distribution chamber is provided in the middle of the plate body.
  • the annular injection channel is an annular outlet formed at one end surface of the plate body.
  • the shape enclosed by the annular outlet corresponds to the annular shape of the bottom of the rubber shoe body.
  • a die-casting molding apparatus for rubber boots including: a die-casting mold according to the above aspects of claims; a high-pressure injection mechanism for pressurizing the prepared unvulcanized compound It is injected into the injection hole of the die-casting mold; the mold moving mechanism is used to move each part of the die-casting mold according to a preset program; and the control mechanism is used to control the operation of the mold moving mechanism and the high-pressure injection mechanism.
  • the die casting molding equipment further includes heating equipment for heating the unvulcanized compound.
  • a method of manufacturing a vulcanized rubber boot using the die-casting molding equipment including: moving a shoe last mold with a partition element between separate barrel molds; closing the barrel mold In order to accommodate the shoe last mold in a proper position in the barrel mold; position and fix the glue injection deflector on the top of the barrel mold; inject glue into the glue injection hole of the glue injection deflector, and thus pass
  • the annular glue injection channel of the glue injection deflector injects unvulcanized compound into the die-casting molding cavity between the barrel mold and the shoe last mold; open the barrel mold and withdraw the shoe last mold; Put the second shoe last mold without the separating element into the inside of the boot and move it between the barrel molds; close the barrel mold to accommodate the second shoe last mold in a proper position in the barrel mold;
  • the unvulcanized compound is vulcanized to form the barrel of the rubber boot.
  • the method before vulcanizing the unvulcanized rubber compound, the method further includes the steps of: clamping the outsole mold to the upper part of the injection deflector, and injecting glue into the outsole injection hole of the outsole mold to Forming the sole of the boot; withdraw the glue deflector from the barrel mold and fit the outsole mold with the barrel mold; inject the pressurized air into the inside of the boot through the inflation channel in the second shoe last mold to press the boot
  • the inner surface of the barrel is pressed against the barrel, and the barrel and the second shoe last mold are heated by a heating device to vulcanize the unvulcanized compound, and the barrel and sole are vulcanized to form an integrated vulcanized rubber boot.
  • the method further includes: setting an airbag between the boot lining and the second shoe last mold to uniformly apply pressure to the boot lining.
  • the method further includes: the second shoe last mold has a shape different from a rubber boot.
  • the method further includes: withdrawing the outsole mold after vulcanization, opening the barrel mold, and causing the vulcanized rubber boots to exit the die-casting molding equipment along with the second shoe last mold.
  • the method further includes: detaching the vulcanized rubber boot from the second shoe last mold by a pneumatic device.
  • an integrated vulcanized rubber boot that is die-cast using the methods according to the above aspects, and includes an integral die-cast barrel, a sole, and a boot lining.
  • FIGS. 1a-1d are schematic diagrams of a glue injection deflector according to the present invention.
  • FIGS. 2a-2d are schematic diagrams of a die-casting mold according to an embodiment of the present invention.
  • FIG. 3 is another schematic diagram of the die-casting mold according to the present invention, showing a state in which the barrel mold is closed.
  • FIG. 4 is another schematic diagram of the die-casting mold according to the present invention, showing a state of mold clamping.
  • FIG. 5 is another schematic diagram of the die-casting mold according to the present invention, showing another state of mold closing.
  • 6a-6c are schematic diagrams of a die-casting mold according to another embodiment of the present invention.
  • FIG 7 is another schematic view of the die-casting mold according to the present invention, showing the state of the mold closing of the barrel mold.
  • FIG. 8 is another schematic diagram of the die-casting mold according to the present invention, showing a state of mold closing.
  • FIG 9 is another schematic view of the die-casting mold according to the present invention, showing another state of mold clamping.
  • 10a and 10b are schematic views of a part of a barrel mold of a die-casting mold according to another embodiment of the present invention.
  • FIG. 11 is a schematic view of a part of a barrel mold of a die-casting mold according to another embodiment of the present invention.
  • FIGS. 12a-12c are schematic diagrams of a shoe last mold with a partition element of a die-casting mold according to another embodiment of the present invention.
  • FIG. 13 is a schematic diagram of a barrel mold of a die-casting mold according to another embodiment of the present invention.
  • FIG 14 and 15 are schematic views of the mold clamping of the press-forming mold according to the present invention.
  • 16a and 16b are schematic diagrams of a glue injection deflector according to another embodiment of the present invention.
  • FIG. 17 is a schematic diagram of a outsole mold according to another embodiment of the present invention.
  • a glue injection deflector for guiding injection of unvulcanized compound including a plate body.
  • the plate body is roughly square and is made of a material suitable for manufacturing a high-pressure mold.
  • Fig. 1a shows the external structure of the glue injection deflector
  • Fig. 1b shows the schematic diagram of the internal structure of the glue injection deflector
  • Fig. 1c shows the schematic view of the cavity and channel of the glue injection deflector
  • Fig. 1d It shows the cooperation diagram of the glue injection deflector and other molds in the installation position.
  • the plate body can be provided with: a glue injection hole for connecting with an external injection head to inject unvulcanized compound; and an annular injection channel for exporting the externally injected unvulcanized compound in a circular distribution .
  • a glue injection hole for connecting with an external injection head to inject unvulcanized compound
  • an annular injection channel for exporting the externally injected unvulcanized compound in a circular distribution .
  • the unvulcanized compound compound derived from the annular injection channel is introduced into other molds, such as a barrel mold for producing rubber boots, which will be described in detail below.
  • the plate body may also be provided with a distribution chamber, which is connected with the injection hole through the injection channel and connected with the annular injection channel through the diversion channel.
  • the distribution chamber can be more conducive to the smooth export of unvulcanized compound.
  • each diversion channel connects the distribution chamber to the annular glue injection channel.
  • the glue injection hole may be provided on one side of the plate body, and the distribution chamber is provided in the middle of the plate body.
  • the annular injection channel is an annular outlet formed in the bottom of the plate body, and the shape enclosed by the annular outlet corresponds to the annular shape of the bottom of the vulcanized rubber shoe body.
  • the annular injection channel is formed as a continuous annular outlet. In other embodiments, the annular injection channel is formed as a discontinuous annular outlet, for example, the annular injection channel has a plurality of circular hole outlets evenly spaced apart. In these ways, the unvulcanized compound can be injected into the barrel mold in a circular or substantially circular manner.
  • the above-mentioned deflector can be matched with other molds (eg, barrel molds, outsole molds) to form a die-casting mold for vulcanized rubber boots according to another aspect of the present invention.
  • other molds eg, barrel molds, outsole molds
  • the die-casting mold of the vulcanized rubber shoe may include: a combined barrel mold having an inner cavity corresponding to the barrel of the rubber boot; a shoe last mold with a separating element having a barrel corresponding to the rubber boot A body substantially corresponding to the shape of the body, and two or more separating elements provided on the body, the shoe last mold is adapted to be installed into the inner cavity of the barrel mold to be in the inner cavity of the barrel mold Forming a die-casting molding cavity between the wall of the shoe last mold and the outer surface of the shoe last mold, the die casting molding cavity being divided into two or more parts by the shoe last mold and the barrel mold; and suitable for mounting to The top of the barrel mold to guide the injection of the unvulcanized rubber compound injection deflector, including a plate body, wherein the plate body is provided with: injection hole, suitable for connecting with an external injection head to inject unvulcanized Compounded rubber compound; and an annular glue injection channel for introducing the unvulcanized compounded rubber compound injected
  • FIGS. 2a-2d show a barrel mold, a shoe last mold, and an outsole mold that can be fitted with a deflector according to an embodiment of the present invention.
  • the combined barrel mold includes three parts, namely, the left barrel mold 25, the middle barrel mold 26, and the right barrel mold 24. These barrel molds can be combined together to form a complete barrel mold.
  • the complete barrel mold includes a complete barrel molding cavity corresponding to the barrel of the rubber boot.
  • it includes two shoe last molds, a shoe last mold 27 with a separating element, and second shoe last molds 21, 22 without a separating element.
  • the second shoe last mold 21 without a separating element shows the second shoe last mold before putting on the inside of the boot
  • the second shoe last mold 22 without the separating element shows the second shoe after putting on the inside of the boot Last mold.
  • the boot lining can be a thick boot lining, such as textile fabrics, foam materials, composite materials of textile fabrics and foam materials, composite materials of textile fabrics and insulation materials, composite materials of textile fabrics and foam materials and insulation materials, etc. .
  • the manufacturing method according to the present invention is particularly advantageous for integrally manufacturing vulcanized rubber boots with thicker boot insides.
  • the partition element of the shoe last mold 27 may include three partition plates, a first partition plate extends from the partition last shoe mold 27 to the rear side, a second partition plate and a third
  • the partition plates extend from the shoe last mold 27 with partition plates to the left and right sides, respectively.
  • the partition element or partition plate may extend along the entire longitudinal direction (vertical direction in the figure) of the main body portion of the shoe last mold 27.
  • the three partition plates form a die-casting molding cavity formed between the outer surface of the shoe last mold and the inner surface of the barrel mold It is divided into three chambers: anterior chamber, left chamber and right chamber.
  • the barrel mold includes three barrel mold parts (the left barrel mold 25, the right barrel mold 26, and the rear barrel mold 26 in the figure) that can be matched and installed with each other, the three partition plates can The die-casting molding chambers corresponding to the three barrel molds are partially separated. That is, as shown in FIG. 3, the three partition plates of the shoe last mold 27 with partition elements are respectively located at the junction of the three barrel molds, so as to cooperate with each other to partition the die-casting molding cavity into three cavities.
  • FIG. 3 shows a situation where three barrel molds are closed and combined with a shoe last mold 27 with a partition element to form three partitioned chambers.
  • the three separated chambers respectively correspond to the shapes of the corresponding parts of the barrel of the rubber shoe, so that three separate barrel parts can be formed during the die-casting process of the rubber compound.
  • the three separate barrel parts can be joined in a subsequent step to form a complete barrel.
  • the die-casting mold also includes second shoe last molds 21 and 22 without a partition element, which are adapted to be installed into the inner cavity of the barrel mold.
  • the second shoe last mold may have a shape corresponding to the barrel of the rubber boot so that the wall of the inner cavity of the barrel mold and the second shoe last mold without the partition element A complete cylinder forming cavity is formed between the outer surfaces.
  • the complete barrel molding cavity corresponds to the barrel of the rubber boot.
  • FIG. 5 shows the situation when the three barrel molds are closed and combined with the second shoe last mold 21 or 22 without a separating element to form a complete barrel molding cavity.
  • the second shoe last mold may have a shape different from the barrel of the rubber boot.
  • the main function of the second shoe last mold is to support the inside of the boot.
  • the second shoe last mold may have an inflation channel suitable for connecting an external pressurized air source and a vent hole provided on the surface, which may expel the external pressurized gas from the surface, thereby pushing the inside of the boot to fit the barrel and toward The cylinder body applies a certain pressure to help the parts of the separated cylinder body engage with each other.
  • an airbag is provided on the second shoe last mold. Because the inside of the boot may be ventilated, resulting in uneven pressure application, a layer of airbag is provided between the inside of the boot and the second shoe last mold to uniformly apply pressure to the inside of the boot and the barrel.
  • the airbag may surround the second shoe last mold, for example.
  • the top of the barrel mold and the bottom of the glue deflector have matching parts that match each other, and the glue deflector is adapted to be clamped to the top of the barrel mold through the bonding part.
  • the bumps shown in FIGS. 1a and 1b can be matched to the corresponding concave portions on the top of the barrel mold.
  • Other coupling elements can also be used.
  • the die-casting mold may further include a large-sole mold 23 having a large-bottom injection hole, and a large-sole mold cavity corresponding to the shape of the sole of the rubber boot, which is used to die-cast the sole of the rubber boot.
  • the outsole mold 23 has an outsole joint portion, and is suitable for being clamped to the top of the barrel mold or the top of the glue injection deflector through the outsole joint portion when needed.
  • the protruding blocks around the top of the left barrel mold 25 and the right barrel mold 24 in FIG. 2a, and the concave portions at the bottom of the deflector in FIG. 1a can be matched with each other, so that the deflector and the barrel mold can be accurate locating.
  • Figures 3 and 4 show the partially combined and fully combined situation of the outsole mold, the deflector, the barrel mold and the shoe last mold with three partition plates.
  • the partition element of the shoe last mold with partition elements may include two partition plates, respectively from the front side of the shoe last mold with partition elements And the rear side extends.
  • the partition element or the partition plate may extend along the entire longitudinal direction (vertical direction in the figure) of the main body portion of the shoe last mold.
  • the barrel mold may include a left barrel mold and a right barrel mold that can be installed to match each other.
  • the two partition plates partition the die-casting molding cavity into two chambers.
  • the two partitioning plates partition the die casting cavity corresponding to the left cylinder mold and the right cylinder mold.
  • the two separate chambers respectively correspond to the shape of the corresponding part of the barrel of the rubber shoe, so that two separate barrel parts can be formed during the die-casting process of the rubber compound.
  • the two separate barrel parts can be joined in a subsequent step to form a complete barrel.
  • the die-casting mold of this embodiment may also include a second shoe last mold without a separating element, having a shape corresponding to the barrel of the rubber boot, and suitable for being mounted to the barrel mold
  • a complete barrel molding cavity is formed between the wall of the inner cavity of the barrel mold and the outer surface of the second shoe last mold without a separating element.
  • the press-forming mold of this embodiment may also include a outsole mold.
  • FIGS. 7 and 8 show the state in which the outsole mold, the deflector, the barrel mold, and the shoe last mold with two partition plates are partially and completely joined.
  • the combined barrel mold may include three parts, namely, a left barrel mold 31, a middle barrel mold 33 and a right barrel mold 32. These barrel molds can be installed (ie, closed) together with each other to form a complete barrel mold.
  • the complete barrel mold includes a complete barrel molding cavity corresponding to the barrel of the rubber boot.
  • These barrel molds can also be combined with the shoe last mold 34 with a partition element as shown in FIGS. 12a-12c to form three separate die-casting molding cavities.
  • the three divided die-casting molding cavities correspond to the left rear part, the front part and the right rear part of the barrel of the vulcanized rubber shoe.
  • the die-casting mold according to this embodiment may include two types of shoe last molds, a shoe last mold 34 with a partition element, and a second shoe last mold without a partition element (not shown, see other embodiments).
  • the partition element of the shoe last mold 34 may include a partition plate 45, a left step portion 41 and a right step portion 42, the partition plate 45 is removed from the shoe last mold Extending to the rear side, the left step portion 41 and the right step portion 42 respectively extend in the vertical direction on the left and right sides of the last mold.
  • the partition element or the partition plate may extend along the entire longitudinal direction (vertical direction in the figure) of the main body portion of the last mold 34.
  • the partition plate 45 includes a concave portion 46 for positioning; in other embodiments, the partition plate 45 may maintain a uniform width in the entire longitudinal direction.
  • the shoe last mold 34 may further include top step portions 43 and 44 for closing the upper portion of the intermediate die-casting molding cavity formed by the cooperation between the shoe last mold 34 and the intermediate barrel mold 33.
  • the span of the top step portions 43 and 44 can be set as required.
  • the same function can be achieved by additionally providing a closing feature, for example, a corresponding feature can be provided on the glue injection deflector.
  • the shoe last mold 34 may first be combined with the intermediate barrel mold 33, as shown in FIG. 14.
  • the left step portion 41, the right step portion 42 and the top step portions 43 and 44 of the shoe last mold 34 cooperate with corresponding parts of the middle barrel mold 33 (for example, left and right sides, top step portion), and the lower part of the shoe last mold 34 is provided
  • the stepped portion of is matched with the lower stepped portion of the middle barrel mold 33, thereby forming a closed middle die-casting molding cavity portion.
  • the left barrel mold 31 and the right barrel mold 32 can thereafter be combined with the shoe last mold 34 and the middle barrel mold 33 from both sides, and between the left barrel mold 31 and the right barrel mold 32 and the shoe last mold 34, respectively A closed left die-casting molding cavity portion and a right die-casting molding cavity portion are formed.
  • Fig. 15 shows the state in which the barrel mold is completely closed.
  • three separated chambers are formed: a left chamber, a middle chamber, and a right chamber.
  • the three separated chambers respectively correspond to the shapes of the corresponding parts of the barrel of the rubber boot, so that three separate barrel parts can be formed during the die-casting process of the rubber compound.
  • the three separate barrel parts can be joined in a subsequent step to form the complete barrel of the vulcanized rubber boot.
  • the die-casting mold may also include a second shoe last mold without a separating element.
  • the second shoe last mold without the separating element can be put into the boot during the manufacturing process and moved into the barrel mold after the shoe last mold 34 is withdrawn.
  • the second shoe last mold may preferably have a shape similar to the barrel of the vulcanized rubber boot, as described in the above embodiment. However, this is not necessary. Because the barrel mold can be combined to form a complete barrel molding cavity, the second shoe last mold of other shapes is sleeved on the boot and placed in the barrel molding cavity. By filling the inside with the pressurized gas, the boot can be attached to the glue The inside of the barrel formed by the material, and apply a certain pressure to the barrel.
  • the second shoe last mold is provided with an inflation channel to connect an external pressurized gas source.
  • An air outlet can be provided on the surface of the second shoe last mold to inflate the inside of the boot on the second shoe last mold to apply from the inside of the boot, fit the inside of the boot to the barrel, and apply a certain pressure to the barrel .
  • an inflatable bladder or an air-tight element with a certain elasticity may be provided between the inner part of the boot and the second shoe last mold to uniformly apply pressure to the inner part of the boot under the action of pressurized gas.
  • the top of the barrel mold and the bottom of the glue deflector have matching parts that match each other, and the glue deflector is adapted to be clamped to the top of the barrel mold through the bonding part.
  • 16a and 16b show perspective views of a glue injection deflector according to an embodiment of the invention.
  • the side shown in FIG. 16a can be matched with the top of the barrel mold and the shoe last mold 34 to inject rubber, respectively, and the side shown in FIG. 16b can be matched with the outsole mold to manufacture the sole of the rubber boot.
  • the die-casting mold may further include a large-sole mold, with a large-sole injection hole (not shown), and a large-sole mold cavity corresponding to the shape of the sole of the rubber boot, used for die-casting molding Sole of rubber boots.
  • the outsole mold has an outsole joint part, and is suitable for being closed to the top of the barrel mold or the top of the glue injection deflector through the outsole joint part when needed.
  • the left step portion and the right step portion of the shoe last mold cooperate with the left and right sides of the intermediate barrel mold to form an intermediate cavity; the left barrel mold and the right barrel
  • the body mold surrounds the middle rear part of the shoe last mold to cooperate with the partition plate to form a left chamber and a right chamber.
  • the shoe last mold and the intermediate barrel mold further include lower step portions that cooperate with each other to close the lower portion of the intermediate chamber.
  • the left barrel mold and the right barrel mold include a stepped portion that cooperates with the shoe last mold and the middle barrel mold to form closed left and right chambers.
  • the left barrel mold and the right barrel mold cooperate to surround the middle barrel mold and the shoe last mold.
  • the inner surface of the barrel mold has features suitable for combining with a rubber surface, such as greater roughness and the like.
  • a die-casting molding apparatus for rubber boots including: a die-casting mold according to any of the above embodiments; a high-pressure injection mechanism for pressurizing and preparing the prepared unvulcanized compound The injection hole injected into the die-casting mold; the mold moving mechanism for moving the various parts of the die-casting mold according to a preset program; and the control mechanism for controlling the operation of the mold moving mechanism and the high-pressure injection mechanism.
  • the die-casting molding equipment may further include heating equipment for heating the unvulcanized rubber compound. For example, when the barrel mold and the second shoe last mold are closed so that several separate barrel parts form a complete barrel, or preferably after joining the outsole to the barrel, the rubber boots that are initially formed are heated (and through other Equipment pressurized) to vulcanize.
  • the operation of the die-casting mold and die-casting equipment according to the present invention can be referred to the following manufacturing method.
  • a method for manufacturing a vulcanized rubber boot using the above-mentioned die-casting molding equipment including, for example, the following steps:
  • a shoe last mold with a partition element is positioned in the barrel mold by engaging its partition element or positioning step with the positioning element of the barrel mold.
  • An additional fixing device can be provided in the die-casting molding equipment to fix the barrel mold and the shoe last mold in place.
  • a hydraulic positioning device can be provided. 3. Position and fix the glue injection deflector on the top of the barrel mold.
  • the lower part of the glue injection deflector and the top of the barrel mold may be provided with positioning elements capable of engaging with each other.
  • An additional fixing device can be provided in the die-casting molding equipment to fix the injection deflector and the barrel mold in place.
  • a hydraulic positioning device can be provided.
  • the injection mechanism can maintain high pressure to realize the injection process of unvulcanized compound.
  • the annular outlet of the baffle can separately guide the unvulcanized compound to the separate die-casting molding chamber, it helps reduce the pressure required for injection and distribute the unvulcanized compound evenly to the Die casting cavity.
  • the unvulcanized rubber compound in the glue injection mechanism can be appropriately heated to improve its fluidity.
  • the unvulcanized compound is molded in the separated die-casting molding cavity under the action of pressure and temperature, two or more separate parts of the barrel are formed.
  • these parts remain in contact with the corresponding parts of the barrel mold.
  • this can be achieved by selecting the material of the barrel mold and the shoe last mold with the separating element, for example, the inner surface of the barrel mold has a rougher surface, etc.; or the temperature between the shoe last mold and the barrel mold The difference is achieved; or by providing features on the inner surface of the barrel mold that are easily combined with the barrel portion.
  • the positioning of the second shoe last mold in the barrel mold is similar to the above shoe last mold.
  • the barrel mold is closed, and together with the second shoe last mold without the separating element, the various parts of the barrel and the inside of the boot are pressed to fit together.
  • each part of the barrel mold can be separated to place the shoe last mold or the second shoe last mold, which can be closed to separate the belt element
  • the shoe last mold cooperates to form a separate die-cast molding cavity, or cooperates with the second shoe last mold without a separation element to form a complete barrel molding cavity.
  • the second shoe last mold can be provided with a high-pressure gas by providing an inflation channel in the second shoe last mold, and pressurized gas can be supplied to the surface of the second shoe last mold after closing the mold to cover the boots on the surface of the second shoe last mold
  • pressurized gas can be supplied to the surface of the second shoe last mold after closing the mold to cover the boots on the surface of the second shoe last mold
  • the inner lining presses against the inner surface of the rubber boot body to promote mutual fit.
  • the outsole mold Close the outsole mold (for example, close the outsole mold to the top of the injection deflector), and inject glue into the outsole of the outsole mold to form the shoe sole; remove the infusion deflector from the barrel mold , And fit the outsole mold with the barrel mold (so that the outsole is engaged with the barrel body, and the inside of the boot is attached to the outsole and the barrel body).
  • the unvulcanized rubber compound is vulcanized, so that the cylinder body, the sole and the inside of the shoe are vulcanized to form an integrated vulcanized rubber boot.
  • the method may further include: withdrawing the outsole mold after the vulcanization is completed, opening the barrel mold, and causing the vulcanized rubber boots to exit the die-casting molding apparatus along with the second shoe last mold without the separation element.
  • the method may further include: detaching the vulcanized rubber boot from the second shoe last mold without the separation element by a pneumatic device. For example, in the case where an inflation channel is provided in the second shoe last mold, pressurized gas is directly supplied to the second shoe last mold.
  • a die-casting integral vulcanized rubber boot which includes an integral die-casting barrel, a sole and a boot inner, wherein: the barrel body has two front and rear mold clamping lines; or the barrel The body has three clamping lines on the left, right and back.
  • the die-cast integral rubber boots are made by the above method.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

一种硫化橡胶靴的压铸成型模具,包括:组合式筒身模具(24、25、26),具有与橡胶靴的筒身相对应的内腔;带分隔元件的鞋楦模具(27),具有与橡胶靴的筒身形状基本对应的主体,和在主体上设置的两个或更多个分隔元件,鞋楦模具(27)适于安装到筒身模具(24、25、26)的内腔中以在筒身模具(24、25、26)的内腔的壁与鞋楦模具(27)的外表面之间形成压铸成型腔,压铸成型腔被鞋楦模具(27)和筒身模具(24、25、26)分隔成两个或更多个部分;和适于安装到筒身模具(24、25、26)顶部以引导注入未硫化混炼胶料的注胶导流板,包括板体,其中板体上设置有:适于与外部注射头连接以注入未硫化混炼胶料的注胶孔和用于将外部注入的未硫化混炼胶料呈环形分布地导入到压铸成型腔中的环形注胶通道。

Description

硫化橡胶靴及其压铸成型模具、制造设备和制造方法 技术领域
本发明涉及一种硫化橡胶靴及其压铸成型模具、制造设备和制造方法。
背景技术
硫化橡胶靴广泛应用于各种行业,如劳保,消防,渔业,户外运动,时装……其对于防水性能有很高的要求。对于某些特定条件的作业环境,可能需要在硫化橡胶靴的内部衬以靴内里,特别是带有发泡材料和保温材料的靴内里。
但是,与PVC材料等不同,由于橡胶材质具有流动性差的特性,当前在硫化橡胶靴制造业中,难以实现整体压铸成型,半自动化生产线占据了行业的主流。
在半自动化生产线中,首先通过混炼、挤出、压延等工序制造出预定形状和厚度的橡胶片材。工人在流水生产线上将靴内里套在鞋楦上,并预先制造的各种形状的橡胶片材按照预定方式紧密敷贴到靴内里上,形成硫化橡胶靴的筒身部分。根据工艺的不同,可在经过硫化之前或者之后将预先制造的靴底粘贴到硫化橡胶靴的筒身部分,从而完成整体制造。
为了检测是否漏气或漏水,需要利用专用设备对筒身部分或者整个硫化橡胶靴进行人工测试。通常而言,由于筒身部分是通过人工叠置橡胶片材来形成,这种方式制造的硫化橡胶靴有漏水的部位相当常见。某些部位很难在后续工艺中修补,因此其废品率相当高,极大地提高了硫化橡胶靴的生产成本。
因此,需要一种改进的硫化橡胶靴生产工艺。
发明内容
根据本发明的一个方面,提供一种硫化橡胶靴的压铸成型模具,包括:组合式筒身模具,具有与橡胶靴的筒身相对应的内腔;带分隔元件的鞋楦模具,具有与橡胶靴的筒身形状基本对应的主体,和在主体上设置的两个或更多个分隔元件,所述鞋楦模具适于安装到所述筒身模具的内腔中以在所述筒身模具的内腔的壁与所述鞋楦模具的外表面之间形成压铸成型腔,所述压铸成型腔被所述鞋楦模具和所述筒身模具分隔成两个或更多个部分;和适于安装到所述筒身模具顶部以引导注入未硫化混炼胶料的注胶导流板,包括板体,其中所述板体上设置有:注胶孔,适于与外部注射头连接以注入未硫化混炼胶料;和环形注胶通道,用于将外部注入的未硫化混炼胶料呈环形分布地导入到所述压铸成型腔中。
优选的,所述鞋楦模具的分隔元件包括两个分隔板,分别从所述鞋楦模具向前侧和后侧延伸。
优选的,当所述鞋楦模具安装到所述筒身模具中时,所述两个分隔板将所述压铸成型腔分隔成左腔室和右腔室。
优选的,所述筒身模具包括可彼此匹配安装的左筒身模具和右筒身模具;所述两个分隔板将与左筒身模具和右筒身模具对应的左腔室和右腔室分隔开。
优选的,所述鞋楦模具的分隔元件包括三个分隔板,第一分隔板从所述鞋楦模具向后侧延伸,第二分隔板和第三分隔板从所述鞋楦模具分别向左侧和右侧延伸。
优选的,当所述鞋楦模具安装到所述筒身模具中时,所述三个分隔板将所述压铸成型腔分隔成三个腔室:中间腔室、左腔室和右腔室。
优选的,所述筒身模具包括可彼此配合安装的三个筒身模具部分;所述三个分隔板将分别与三个筒身模具对应的中间腔室、左腔室和右腔室分隔开。
优选的,所述鞋楦模具的分隔元件包括一个分隔板、左侧台阶部分和右侧台阶部分,所述分隔板从所述鞋楦模具向后侧延伸,所述左侧台阶部分和右侧台阶部分分别在所述鞋楦模具的左侧和右侧沿竖直方向延伸。
优选的,当所述鞋楦模具安装到所述筒身模具中时,所述分隔板、左侧台阶部分和右侧台阶部分将所述压铸成型腔分隔成中间腔室、左腔室和右腔室。
优选的,所述筒身模具包括可彼此配合安装的中间筒身模具、左筒身模具和右筒身模具;所述分隔板、左侧台阶部分和右侧台阶部分将与中间筒身模具、左筒身模具和右筒身模具对应的中间腔室、左腔室和右腔室隔开。
优选的,所述鞋楦模具的左侧台阶部分和右侧台阶部分与所述中间筒身模具的左侧和右侧配合以形成中间腔室;所述左筒身模具和右筒身模具包围所述鞋楦模具的中后部以与所述隔板配合形成左腔室和右腔室。
优选的,所述鞋楦模具还包括顶部台阶部分,用于封闭中间腔室的上部。
优选的,所述鞋楦模具和所述中间筒身模具还包括彼此配合的下部台阶部分,以封闭中间腔室的下部。
优选的,所述左筒身模具和右筒身模具包括与所述鞋楦模具和所述中间筒身模具配合的台阶部分,以形成封闭的左腔室和右腔室。
优选的,所述左筒身模具和右筒身模具配合以包围所述中间筒身模具和所述鞋楦模具。
优选的,所述筒身模具的内表面具有适于与橡胶表面结合的特征。
优选的,还包括:不带分隔元件的第二鞋楦模具,适于安装到所述筒身模具的内腔中。
优选的,所述第二鞋楦模具具有橡胶靴的筒身对应的形状,以在所述筒身模具的内腔的壁与所述不带隔离板的鞋楦模具的外表面之间形成筒身成型腔。
优选的,所述第二鞋楦模具具有不同于橡胶靴的筒身的形状。
优选的,所述第二鞋楦模具具有适于连接外部加压气源的充气通道和设置在表面的排气孔。
优选的,所述第二鞋楦模具上设置有气囊。
优选的,所述筒身模具的顶部和所述注胶导流板的底部具有彼此配合的结合部位,所述注胶导流板适于通过所述结合部位合模到所述筒身模具的顶部。
优选的,压铸成型模具还包括:大底模具,具有大底注胶孔,和与橡胶靴的鞋底形状对应的大底模腔,用于压铸成型橡胶靴的鞋底;所述大底模具具有大底结合部位,并适于通过大底结合部位合模到所述筒身模具的顶部和所述注胶导流板的顶部。
优选的,其中所述板体还设置有分配室,所述分配室通过注胶通道与注胶孔连接,并通过导流通道与环形注胶通道连接。
优选的,所述导流通道为多个,每个导流通道均将所述分配室连接到所述环形注胶通道;优选地,所述导流通道为4个,围绕所述分配室间隔分布。
优选的,所述注胶孔设置在板体的一个侧面上,所述分配室设置在板体的中部内。
优选的,所述环形注胶通道为在所述板体的一个端面处形成的环形出口,优选地,所述环形出口围成的形状对应于橡胶靴筒身的底部的环形形状。
根据本发明另一个方面,提供一种用于橡胶靴的压铸成型设备,包括:根据权利要求上面各方面的压铸成型模具;高压注入机构,用于将制备好的未硫化混炼胶料加压并注入到压铸成型模具的注胶孔;模具移动机构,用于按照预先设定的程序移动所述压铸成型模具的各个部分;和控制机构,用于控制模具移动机构和高压注入机构的操作。
优选的,压铸成型设备还包括加热设备,用于对未硫化混炼胶料进行加热。
根据本发明另一个方面,提供一种利用根据上述各方面的压铸成型设备制造硫化橡胶靴的方法,包括:将带分隔元件的鞋楦模具移动到分离的筒身模具之间;合上筒身模具以将所述鞋楦模具容纳在筒身模具中的适当位置;将注胶导流板定位并固定在筒身模具顶部上;向注胶导流板的注胶孔注胶,并由此通过注胶导流板的环形注胶通道向所述筒身模具与所述鞋楦模具之间的压铸成型腔注入未硫化混炼胶料;打开筒身模具,并撤出所述鞋楦模具;将不带分隔元件的第二鞋楦模具套上靴内里,并移动到筒身模具之间;合上筒身模具以将所述第二鞋楦模具容纳在筒身模具中的适当位置;将未硫化混炼胶料进行硫化以形成橡胶靴的筒身。
优选的,在将未硫化混炼胶料进行硫化之前,还包括以下步骤:将大底模具合模到所述注胶导流板上部,并向大底模具的大底注胶孔注胶以形成靴底;将注胶导流板撤离筒身模具,并将大底模具与筒身模具相合;通过第二鞋楦模具中的充气通道向靴内里内部注入加压空气以将靴内里压向筒身内表面并向筒身施压,同时通过加热设备对筒身和第二鞋楦模具加热,使得未硫化混炼胶料进行硫化,筒身和靴底整体硫化以形成一体式硫化橡胶靴。
优选的,所述方法还包括:在靴内里和第二鞋楦模具之间设置气囊以向靴内里均匀施压。
优选的,所述方法还包括:所述第二鞋楦模具具有不同于橡胶靴的形状。
优选的,所述方法还包括:在硫化后撤离大底模具,打开筒身模具,并使得硫化橡胶靴随所述第二鞋楦模具一起退出压铸成型设备。
优选的,所述方法还包括:通过气压装置将硫化橡胶靴从所述第二鞋楦模具上脱离。
根据本发明另一个方面,提供一种利用根据上述各方面的方法压铸成型的一体式硫化橡胶靴,包括一体压铸成型的筒身、鞋底和靴内里。
虽然根据本发明的实施例表述为应用于压铸成型工艺,但同样可以适用于注射成型工艺;并且本发明的保护范围也意在覆盖这样的应用。
附图说明
通过以下详细的描述并结合附图将更充分地理解本发明,其中相似的元件以相似的方式编号,其中:
图1a-1d是根据本发明的注胶导流板的示意图。
图2a-2d是根据本发明一个实施例的压铸成型模具的示意图。
图3是根据本发明的压铸成型模具的另一个示意图,示出了筒身模具合模的状态。
图4是根据本发明的压铸成型模具的另一个示意图,示出了模具合模的一个状态。
图5是根据本发明的压铸成型模具的另一个示意图,示出了模具合模的另一个状态。
图6a-6c是根据本发明另一个实施例的压铸成型模具的示意图。
图7是根据本发明的压铸成型模具的另一个示意图,示出了筒身模具合模的状态。
图8是根据本发明的压铸成型模具的另一个示意图,示出了模具合模的一个状态。
图9是根据本发明的压铸成型模具的另一个示意图,示出了模具合模的另一个状态。
图10a和10b是根据本发明另一个实施例的压铸成型模具的筒身模具的一部分的示意图。
图11是根据本发明另一个实施例的压铸成型模具的筒身模具的一部分的示意图。
图12a-12c是根据本发明另一个实施例的压铸成型模具的带分隔元件的鞋楦模具的示意图。
图13是根据本发明另一个实施例的压铸成型模具的筒身模具的示意图。
图14和图15是根据本发明的压制成型模具合模示意图。
图16a和16b是根据本发明另一个实施例的注胶导流板的示意图。
图17是根据本发明另一个实施例的大底模具的示意图。
具体实施方式
下面通过实施例,并结合附图,对本发明的技术方案作进一步详细的说明,但本发明不限于下面的实施例。
为了解决橡胶(例如未硫化混炼胶料)流动性差,难以实现注射成型或者压铸成型橡胶靴(例如整体成型的一体式硫化橡胶靴),本发明的发明人制造出用于引导注入未 硫化混炼胶料的注胶导流板;为了解决难以实现整体成型的带靴内里的硫化橡胶靴,本发明的发明人发明了相关的压铸成型模具、生产线和生产工艺。利用这些设备或工艺生产的整体成型的一体式硫化橡胶靴也在本发明的保护范围内。
如图1a-1d所示,根据本发明的一个方面,提供一种用于引导注入未硫化混炼胶料的注胶导流板,包括板体。板体大致为方形,由适于制造高压模具的材料制成。
图1a示出了注胶导流板的外部结构,图1b示出了注胶导流板的内部结构示意图,图1c示出了注胶导流板的腔体和通道的示意图,并且图1d示出了注胶导流板在安装位置时与其他模具的配合示意图。
板体上可以设置有:注胶孔,用于与外部注射头连接以注入未硫化混炼胶料;和环形注胶通道,用于将外部注入的未硫化混炼胶料呈环形分布地导出。如图1d所示,从环形注胶通道导出的未硫化混炼胶料被导入到其他模具中,例如生产橡胶靴的筒身模具,下面将具体描述。
板体还可以设置有分配室,所述分配室通过注胶通道与注胶孔连接,并通过导流通道与环形注胶通道连接。设置有分配室可以更有利于未硫化混炼胶料的顺利导出。
导流通道可以为一个或多个,优选的为多个,每个导流通道均将所述分配室连接到所述环形注胶通道。优选地,所述导流通道为4个,围绕所述分配室间隔分布。多个导流通道有助于未硫化混炼胶料更顺畅地从分配室流动到环形通道,有助于降低压力。
如图所示,注胶孔可以设置在板体的一个侧面上,所述分配室设置在板体的中部内。
如图1a所示,环形注胶通道为在所述板体的底部中形成的环形出口,所述环形出口围成的形状对应于硫化橡胶靴筒身的底部的环形形状。
在一些实施方式中,环形注胶通道形成为连续的环形出口。在另一些实施方式中,环形注胶通道形成为非连续的环形出口,例如环形注胶通道上具有均匀间隔开的多个圆孔出口。在这些方式下,均可以将未硫化混炼胶料成环形或基本环形的方式注入到筒身模具中。
上述导流板可以与其他模具(例如筒身模具、大底模具)配合,形成根据本发明的另一个方面的一种硫化橡胶靴的压铸成型模具。
总体而言,根据本发明的硫化橡胶靴的压铸成型模具可以包括:组合式筒身模具,具有与橡胶靴的筒身相对应的内腔;带分隔元件的鞋楦模具,具有与橡胶靴的筒身形状基本对应的主体,和在主体上设置的两个或更多个分隔元件,所述鞋楦模具适于安装到所述筒身模具的内腔中以在所述筒身模具的内腔的壁与所述鞋楦模具的外表面之间形成压铸成型腔,所述压铸成型腔被所述鞋楦模具和所述筒身模具分隔成两个或更多个部分;和适于安装到所述筒身模具顶部以引导注入未硫化混炼胶料的注胶导流板,包括板体,其中所述板体上设置有:注胶孔,适于与外部注射头连接以注入未硫化混炼胶料;和环形注胶通道,用于将外部注入的未硫化混炼胶料呈环形分布地导入到所述压铸成型腔中。
图2a-2d示出了根据本发明一个实施例的可以与导流板配合的筒身模具、鞋楦模具和大底模具。
图2a-2d所示的实施例中,组合式筒身模具包括3个部分,即左筒身模具25、中间筒身模具26和右筒身模具24。这些筒身模具可以合模到一起,形成完整的筒身模具。完整的筒身模具包括与橡胶靴的筒身对应的完整的筒身成型腔。
根据本发明的实施例,包括两种鞋楦模具,带分隔元件的鞋楦模具27,和不带分隔元件的第二鞋楦模具21、22。
不带分隔元件的第二鞋楦模具21表示的是未套上靴内里之前的第二鞋楦模具,不带分隔元件的第二鞋楦模具22表示的是套上靴内里之后的第二鞋楦模具。靴内里可以是较厚的靴内里,例如纺织面料、发泡材料、纺织面料和发泡材料的复合材料、纺织面料和保温材料的复合材料、纺织面料和发泡材料和保温材料的复合材料等。根据本发明的制造方法对于一体式制造带较厚的靴内里的硫化橡胶靴是特别有利的。
根据此实施例的鞋楦模具27的分隔元件可包括三个分隔板,第一分隔板从所述带分隔板的鞋楦模具27向后侧延伸,第二分隔板和第三分隔板从所述带分隔板的鞋楦模具27分别向左侧和右侧延伸。分隔元件或分隔板可以沿着鞋楦模具27的主体部分的整个纵向(图中的竖直方向)延伸。
当所述带分隔元件的鞋楦模具27安装到所述筒身模具中时,所述三个分隔板将此鞋楦模具的外表面与筒身模具的内表面之间形成的压铸成型腔分隔成三个腔室:前腔室、左腔室和右腔室。
由于所述筒身模具包括可彼此匹配安装的三个筒身模具部分(图中的左筒身模具25、右筒身模具26和后筒身模具26),所述三个分隔板可以将分别与三个筒身模具对应的压铸成型腔部分隔开。也就是说,如图3所示,带分隔元件的鞋楦模具27的三个分隔板分别位于三个筒身模具的交接部位,从而彼此配合将压铸成型腔分隔成三个腔室。图3示出了当三个筒身模具合模,与带分隔元件的鞋楦模具27结合在一起,形成三个分隔腔室的情形。三个分隔的腔室分别对应于橡胶靴的筒身的对应部分的形状,从而可以在胶料的压铸成型过程中形成三片分离的筒身部分。三片分离的筒身部分可以在后续步骤中接合以形成完整的筒身。
如上所述,压铸成型模具还包括不带分隔元件的第二鞋楦模具21和22,适于安装到所述筒身模具的内腔中。在优先的实施例中,第二鞋楦模具可以具有与橡胶靴的筒身对应的形状,以在所述筒身模具的内腔的壁与所述不带分隔元件的第二鞋楦模具的外表面之间形成完整的筒身成型腔。完整的筒身成型腔对应于橡胶靴的筒身。图5示出了当三个筒身模具合模,与不带分隔元件的第二鞋楦模具21或22结合在一起,形成完整的筒身成型腔的情形。
在其他实施例中,第二鞋楦模具可以具有不同于橡胶靴的筒身的形状。第二鞋楦模具的主要作用是支撑靴内里。所述第二鞋楦模具可以具有适于连接外部加压气源的充气 通道和设置在表面的排气孔,可以将外部加压气体从表面排出,从而推动靴内里贴合筒身,并向筒身施加一定压力以有助于分离的筒身各部分相互接合。
在优选的实施例中,所述第二鞋楦模具上设置有气囊。由于靴内里可能透气,导致施压不均匀,在靴内里和第二鞋楦模具之间设置一层气囊,可以向靴内里和筒身均匀施压。该气囊例如可以包围第二鞋楦模具。
根据本发明,筒身模具的顶部和注胶导流板的底部具有彼此匹配的结合部位,注胶导流板适于通过所述结合部位合模到筒身模具的顶部。例如,图1a、1b中示出的凸块,可以匹配到筒身模具顶部的对应凹入部分。也可以使用其他结合元件。
根据本发明,压铸成型模具还可以包括大底模具23,具有大底注胶孔,和与橡胶靴的鞋底形状对应的大底模腔,用于压铸成型橡胶靴的鞋底。所述大底模具23具有大底结合部位,并适于在需要时通过大底结合部位合模到筒身模具的顶部或注胶导流板的顶部。
例如,图2a中左筒身模具25和右筒身模具24顶部四周的突出块,以及图1a中导流板底部的凹入部位,彼此可以匹配,从而使得导流板和筒身模具可以彼此精确定位。
图3和图4示出了大底模具、导流板、筒身模具和带三个分隔板的鞋楦模具部分结合和完全结合的情形。
根据本发明的另一个实施例,例如如图6a-6c所示,带分隔元件的鞋楦模具的分隔元件可以包括两个分隔板,分别从所述带分隔元件的鞋楦模具向前侧和后侧延伸。分隔元件或分隔板可以沿着鞋楦模具的主体部分的整个纵向(图中的竖直方向)延伸。
此时,如图6a所示,所述筒身模具可以包括可彼此匹配安装的左筒身模具和右筒身模具。
当所述带分隔元件的鞋楦模具安装到所述筒身模具中时,所述两个分隔板将所述压铸成型腔分隔成两个腔室。
所述两个分隔板将与左筒身模具和右筒身模具对应的压铸成型腔部分隔开。两个分隔的腔室分别对应于橡胶靴的筒身的对应部分的形状,从而可以在胶料的压铸成型过程中形成两片分离的筒身部分。两片分离的筒身部分可以在后续步骤中接合以形成完整的筒身。
与前一实施例相似,此实施例的压铸成型模具也可以包括不带分隔元件的第二鞋楦模具,具有与橡胶靴的筒身对应的形状,并适于安装到所述筒身模具的内腔中以在所述筒身模具的内腔的壁与所述不带分隔元件的第二鞋楦模具的外表面之间形成完整的筒身成型腔。当两个筒身模具合模,与不带分隔元件的第二鞋楦模具结合在一起,形成完整的筒身成型腔。
与前一实施例相似,此实施例的压制成型模具也可以包括大底模具。图7和图8示出了大底模具、导流板、筒身模具和带两个分隔板的鞋楦模具部分结合和完全结合的情形。
图10-17示出了根据本发明另一个实施例的组合式筒身模具、带分隔元件的鞋楦模具等。
在此实施例中,如图10和11所示,组合式筒身模具可包括3个部分,即左筒身模具31、中间筒身模具33和右筒身模具32。这些筒身模具可以可彼此配合安装(即合模)到一起,形成完整的筒身模具。完整的筒身模具包括与橡胶靴的筒身对应的完整的筒身成型腔。这些筒身模具也可以与如图12a-12c所示的带分隔元件的鞋楦模具34合模到一起,形成三个分隔的压铸成型腔。三个分隔的压铸成型腔分别对应于硫化橡胶靴的筒身的左后部分、前部分和右后部分。
根据此实施例的压铸成型模具可包括两种鞋楦模具,带分隔元件的鞋楦模具34,和不带分隔元件的第二鞋楦模具(未示出,参见其他实施例)。
如图12a-c所示,根据此实施例的鞋楦模具34的分隔元件可包括一个分隔板45、左侧台阶部分41和右侧台阶部分42,分隔板45从所述鞋楦模具向后侧延伸,左侧台阶部分41和右侧台阶部分42分别在所述鞋楦模具的左侧和右侧沿竖直方向延伸。分隔元件或分隔板可以沿着鞋楦模具34的主体部分的整个纵向(图中的竖直方向)延伸。在此实施例中,分隔板45包括用于定位的凹入部分46;在其他实施例中,分隔板45可以在整个纵向上保持一致的宽度。
根据此实施例,所述鞋楦模具34还可以包括顶部台阶部分43和44,用于封闭鞋楦模具34与中间筒身模具33配合形成的中间压铸成型腔的上部。顶部台阶部分43和44的跨度可以根据需要进行设置。或者,在其他实施例中,可以通过另外设置封闭特征来实现同样的功能,例如,可以在注胶导流板上设置相应特征。
当进行相应操作时,鞋楦模具34可以首先与中间筒身模具33结合,如图14所示。鞋楦模具34的左侧台阶部分41、右侧台阶部分42和顶部台阶部分43和44分别与中间筒身模具33的对应部位(例如左右侧面、顶部台阶部分)配合,鞋楦模具34下部设置的台阶部分与中间筒身模具33的下部台阶部分配合,从而形成封闭的中间压铸成型腔部分。
左筒身模具31和右筒身模具32此后可以从两侧与鞋楦模具34和中间筒身模具33结合,并在左筒身模具31和右筒身模具32与鞋楦模具34之间分别形成封闭的左压铸成型腔部分和右压铸成型腔部分。图15示出了筒身模具完全合模的情形。
由于鞋楦模具34上分隔板和台阶部分的存在,形成了三个分隔开的腔室:左腔室、中间腔室和右腔室。三个分隔的腔室分别对应于橡胶靴的筒身的对应部分的形状,从而可以在胶料的压铸成型过程中形成三片分离的筒身部分。三片分离的筒身部分可以在后续步骤中接合以形成完整的硫化橡胶靴的筒身。
与其他实施例类型,压铸成型模具还可以包括不带分隔元件的第二鞋楦模具。不带分隔元件的第二鞋楦模具可以在制造过程中套上靴内里,并在鞋楦模具34撤出后移动到筒身模具中。
在本发明的优先实施例中,第二鞋楦模具可以优选的具有与硫化橡胶靴的筒身相似的形状,如上述实施例所述。但是,这并非必须的。由于筒身模具可以结合形成完整的筒身成型腔,其他形状的第二鞋楦模具套上靴内里放置在筒身成型腔中,通过从内充入加压气体可以将靴内里贴合到胶料形成的筒身内部,并对筒身施加一定的压力。
在优选实施例中,第二鞋楦模具中设置有充气通道,以连接外部加压气源。可以在第二鞋楦模具表面设置出气口,以向第二鞋楦模具套上的靴内里充气,从而从靴内里内部施加,将靴内里贴合到筒身,并且可以对筒身施加一定压力。在优选实施例中,可以在靴内里与第二鞋楦模具之间设置充气气囊或者具有一定弹性的气密元件,以在加压气体作用下均匀向靴内里施加压力。
根据本发明,筒身模具的顶部和注胶导流板的底部具有彼此匹配的结合部位,注胶导流板适于通过所述结合部位合模到筒身模具的顶部。图16a和16b显示了根据本发明一个实施例的注胶导流板的立体图。图16a所示的一侧可以分别与筒身模具及鞋楦模具34的顶部配合以注入胶料,图16b所示的一侧可以与大底模具配合以制造橡胶靴的鞋底。
如图17所示,根据本发明,压铸成型模具还可以包括大底模具,具有大底注胶孔(未示出),和与橡胶靴的鞋底形状对应的大底模腔,用于压铸成型橡胶靴的鞋底。所述大底模具具有大底结合部位,并适于在需要时通过大底结合部位合模到筒身模具的顶部或注胶导流板的顶部。
在上述实施例中,所述鞋楦模具的左侧台阶部分和右侧台阶部分与所述中间筒身模具的左侧和右侧配合以形成中间腔室;所述左筒身模具和右筒身模具包围所述鞋楦模具的中后部以与所述隔板配合形成左腔室和右腔室。所述鞋楦模具和所述中间筒身模具还包括彼此配合的下部台阶部分,以封闭中间腔室的下部。所述左筒身模具和右筒身模具包括与所述鞋楦模具和所述中间筒身模具配合的台阶部分,以形成封闭的左腔室和右腔室。所述左筒身模具和右筒身模具配合以包围所述中间筒身模具和所述鞋楦模具。所述筒身模具的内表面具有适于与橡胶表面结合的特征,例如较大的粗糙度等。
根据本发明的另一个方面,提供一种橡胶靴的压铸成型设备,包括:根据上述任一实施例的压铸成型模具;高压注入机构,用于将制备好的未硫化混炼胶料加压并注入到压铸成型模具的注胶孔;模具移动机构,用于按照预先设定的程序移动所述压铸成型模具的各个部分;和控制机构,用于控制模具移动机构和高压注入机构的操作。
所述压铸成型设备还可以包括加热设备,用于对未硫化混炼胶料进行加热。例如,当筒身模具和第二鞋楦模具合模使得若干分离的筒身部分形成完整的筒身后,或者优选地在将大底接合到筒身后,对初步成型的橡胶靴加热(及通过其他设备加压),以进行硫化。
根据本发明的压铸成型模具、压铸成型设备的操作可以参见下述制造方法。
根据本发明的另一个方面,提供一种利用上述压铸成型设备制造硫化橡胶靴的方法,例如包括以下步骤:
1.将筒身模具的各部分分离,并将带分隔元件的鞋楦模具移动到筒身模具的各部分之间。
2.合上筒身模具以将带分隔元件的鞋楦模具容纳在筒身模具中的适当位置;此时可以通过适当的定位和卡紧装置将模具固定到位。
例如,带分隔元件的鞋楦模具通过分其隔元件或定位台阶与筒身模具的定位元件的接合而定位在筒身模具中。可以在压铸成型设备中设置额外的固定装置将筒身模具和鞋楦模具固定到位。例如,可以设置液压定位装置。3.将注胶导流板定位并固定在筒身模具顶部上。
如上所述,注胶导流板的下部和筒身模具的顶部可以设置能够彼此接合的定位元件。可以在压铸成型设备中设置额外的固定装置将注胶导流板和筒身模具固定到位。例如,可以设置液压定位装置。
4.向注胶导流板的注胶孔注胶(注入未硫化混炼胶料),并由此通过注胶导流板的环形注胶通道向筒身模具与带分隔元件的鞋楦模具之间的压铸成型腔注胶。
注胶机构可以保持高压以实现未硫化混炼胶料的注胶过程。此时,由于导流板的环形出口可以分别将未硫化混炼胶料引导到分隔开的压铸成型腔中,有助于降低注胶所需压力和将未硫化混炼胶料均匀分配到压铸成型腔中。可以对注胶机构中的未硫化混炼胶料进行适当加热,以提高其流动性。
5.打开筒身模具,撤出带分隔元件的鞋楦模具。
此时由于未硫化混炼胶料在压力和温度作用下在分隔开的压铸成型腔中成型,分别形成筒身的分离的两部分或者更多部分。当撤出带分隔元件的鞋楦模具时,这些部分保持与筒身模具的相应部分继续贴合在一起。例如,这可以通过选择筒身模具和带分隔元件的鞋楦模具的材料来实现,例如筒身模具的内表面具有更粗糙的表面等;也可以通过鞋楦模具和筒身模具之间的温度差来实现;或者通过在筒身模具的内表面上设置易于结合筒身部分的特征来实现。
6.将不带分隔元件的第二鞋楦模具套上靴内里,并移动到筒身模具之间。
7.合上筒身模具以将不带分隔元件的第二鞋楦模具容纳在筒身模具中的适当位置。
第二鞋楦模具在筒身模具中的定位与上述鞋楦模具类似。
此时,筒身模具合模,与不带分隔元件的第二鞋楦模具一起对筒身的各个部分和靴内里加压以贴合在一起。
由于筒身模具具有组合式设计,即包括两个、三个或者更多个部分,筒身模具的各部分可以分开以放置鞋楦模具或第二鞋楦模具,可以合上以与带分隔元件的鞋楦模具配合形成分隔开的压铸成型腔,或者与不带分隔元件的第二鞋楦模具配合形成完整的筒身成型腔。当撤出带分隔元件的鞋楦模具时,所形成的橡胶靴的筒身的各个分离部分留在筒身模具的各部分上,当插入带靴内里的第二鞋楦模具并合上筒身模具的各部分后,所形成的橡胶靴的筒身的各个分离部分可以彼此接合,并且靴内里也可以接合在筒身内。
可以通过在第二鞋楦模具内设置充气通道,通过外部气压源提供高压气体,在合上模具后向第二鞋楦模具表面提供加压气体,以将第二鞋楦模具表面套上的靴内里压向橡胶靴筒身内表面,促进互相贴合。
8.将未硫化混炼胶料进行硫化。
例如,通过在模具附近设置加热设备,向合上的模具加热从而对筒身和第二鞋楦模具加热,并通过上述加压气体对橡胶靴筒身加压,来进行硫化。此时,筒身的各个部分以及靴内里一起形成完整的筒身。
此外,在将未硫化混炼胶料进行硫化之前,还可以包括以下步骤:
合上大底模具(例如将大底模具合模到注胶导流板顶部),并向大底模具的大底注胶孔注胶以形成靴底;将注胶导流板撤离筒身模具,并将大底模具与筒身模具相合(从而大底与筒身接合,靴内里贴合到大底和筒身)。此时将未硫化混炼胶料进行硫化,使得筒身、靴底和靴内里整体硫化以形成一体式硫化橡胶靴。
所述方法还可以包括:在硫化完成后撤离大底模具,打开筒身模具,并使得硫化橡胶靴随不带分隔元件的第二鞋楦模具一起退出压铸成型设备。
所述方法还可以包括:通过气压装置将硫化橡胶靴从不带分隔元件的第二鞋楦模具上脱离。例如,在第二鞋楦模具内设置充气通道的情况下,直接向第二鞋楦模具提供加压气体。
根据本发明的另一个方面,提供一种压铸成型的一体式硫化橡胶靴,包括一体压铸成型的筒身、鞋底和靴内里,其中:所述筒身上具有前后两条合模线;或者所述筒身上具有左侧、右侧和后侧三条合模线。
优选的,所述压铸成型的一体式橡胶靴通过上述方法制成。
当描述中提及“左”、“中”、“右”、“前”、“后”、“中间”、“上”、“下”等表示方位的词语时,仅仅是为了清楚表示部件的相对位置,无意进行任何限制。通常而言,这样的方位是相对于鞋楦模具的方位而言。
本发明的实施方式并不限于上述实施例所述,在不偏离本发明的精神和范围的情况下,本领域普通技术人员可以在形式和细节上对本发明做出各种改变和改进,而这些均被认为落入了本发明的保护范围。

Claims (36)

  1. 一种硫化橡胶靴的压铸成型模具,包括:
    组合式筒身模具,具有与橡胶靴的筒身相对应的内腔;
    带分隔元件的鞋楦模具,具有与橡胶靴的筒身形状基本对应的主体,和在主体上设置的两个或更多个分隔元件,所述鞋楦模具适于安装到所述筒身模具的内腔中以在所述筒身模具的内腔的壁与所述鞋楦模具的外表面之间形成压铸成型腔,所述压铸成型腔被所述鞋楦模具和所述筒身模具分隔成两个或更多个部分;和
    适于安装到所述筒身模具顶部以引导注入未硫化混炼胶料的注胶导流板,包括板体,其中所述板体上设置有:注胶孔,适于与外部注射头连接以注入未硫化混炼胶料;和环形注胶通道,用于将外部注入的未硫化混炼胶料呈环形分布地导入到所述压铸成型腔中。
  2. 根据权利要求1所述的压铸成型模具,其中,所述鞋楦模具的分隔元件包括两个分隔板,分别从所述鞋楦模具向前侧和后侧延伸。
  3. 根据权利要求2所述的压铸成型模具,其中,当所述鞋楦模具安装到所述筒身模具中时,所述两个分隔板将所述压铸成型腔分隔成左腔室和右腔室。
  4. 根据权利要求3所述的压铸成型模具,所述筒身模具包括可彼此匹配安装的左筒身模具和右筒身模具;所述两个分隔板将与左筒身模具和右筒身模具对应的左腔室和右腔室分隔开。
  5. 根据权利要求1所述的压铸成型模具,其中,所述鞋楦模具的分隔元件包括三个分隔板,第一分隔板从所述鞋楦模具向后侧延伸,第二分隔板和第三分隔板从所述鞋楦模具分别向左侧和右侧延伸。
  6. 根据权利要求5所述的压铸成型模具,其中,当所述鞋楦模具安装到所述筒身模具中时,所述三个分隔板将所述压铸成型腔分隔成三个腔室:中间腔室、左腔室和右腔室。
  7. 根据权利要求6所述的压铸成型模具,所述筒身模具包括可彼此配合安装的三个筒身模具部分;所述三个分隔板将分别与三个筒身模具对应的中间腔室、左腔室和右腔室分隔开。
  8. 根据权利要求1所述的压铸成型模具,其中,所述鞋楦模具的分隔元件包括一个分隔板、左侧台阶部分和右侧台阶部分,所述分隔板从所述鞋楦模具向后侧延伸,所述左侧台阶部分和右侧台阶部分分别在所述鞋楦模具的左侧和右侧沿竖直方向延伸。
  9. 根据权利要求8所述的压铸成型模具,当所述鞋楦模具安装到所述筒身模具中时,所述分隔板、左侧台阶部分和右侧台阶部分将所述压铸成型腔分隔成中间腔室、左腔室和右腔室。
  10. 根据权利要求9所述的压铸成型模具,所述筒身模具包括可彼此配合安装的中间筒身模具、左筒身模具和右筒身模具;所述分隔板、左侧台阶部分和右侧台阶部分将与中间筒身模具、左筒身模具和右筒身模具对应的中间腔室、左腔室和右腔室隔开。
  11. 根据权利要求10所述的压铸成型模具,所述鞋楦模具的左侧台阶部分和右侧台阶部分与所述中间筒身模具的左侧和右侧配合以形成中间腔室;所述左筒身模具和右筒身模具包围所述鞋楦模具的中后部以与所述隔板配合形成左腔室和右腔室。
  12. 根据权利要求9-11中任一项所述的压铸成型模具,所述鞋楦模具还包括顶部台阶部分,用于封闭中间腔室的上部。
  13. 根据权利要求12所述的压铸成型模具,所述鞋楦模具和所述中间筒身模具还包括彼此配合的下部台阶部分,以封闭中间腔室的下部。
  14. 根据权利要求9-13中任一项所述的压铸成型模具,所述左筒身模具和右筒身模具包括与所述鞋楦模具和所述中间筒身模具配合的台阶部分,以形成封闭的左腔室和右腔室。
  15. 根据权利要求11-13中任一项所述的压铸成型模具,所述左筒身模具和右筒身模具配合以包围所述中间筒身模具和所述鞋楦模具。
  16. 根据权利要求1-15中任一项所述的压铸成型模具,所述筒身模具的内表面具有适于与橡胶表面结合的特征。
  17. 根据权利要求1-16中任一项所述的压铸成型模具,还包括:
    不带分隔元件的第二鞋楦模具,适于安装到所述筒身模具的内腔中。
  18. 根据权利要求17所述的压铸成型模具,所述第二鞋楦模具具有橡胶靴的筒身对应的形状,以在所述筒身模具的内腔的壁与所述不带隔离板的鞋楦模具的外表面之间形成筒身成型腔。
  19. 根据权利要求17所述的压铸成型模具,所述第二鞋楦模具具有不同于橡胶靴的筒身的形状。
  20. 根据权利要求18或19所述的压铸成型模具,所述第二鞋楦模具具有适于连接外部加压气源的充气通道和设置在表面的排气孔。
  21. 根据权利要求20所述的压铸成型模具,所述第二鞋楦模具上设置有气囊。
  22. 根据权利要求1-16中任一项所述的压铸成型模具,所述筒身模具的顶部和所述注胶导流板的底部具有彼此配合的结合部位,所述注胶导流板适于通过所述结合部位合模到所述筒身模具的顶部。
  23. 根据权利要求1-16中任一项所述的压铸成型模具,还包括:
    大底模具,具有大底注胶孔,和与橡胶靴的鞋底形状对应的大底模腔,用于压铸成型橡胶靴的鞋底;所述大底模具具有大底结合部位,并适于通过大底结合部位合模到所述筒身模具的顶部和所述注胶导流板的顶部。
  24. 根据权利要求1-16中任一项所述的压铸成型模具,其中所述板体还设置有分配室,所述分配室通过注胶通道与注胶孔连接,并通过导流通道与环形注胶通道连接。
  25. 根据权利要求24所述的压铸成型模具,所述导流通道为多个,每个导流通道均将所述分配室连接到所述环形注胶通道;优选地,所述导流通道为4个,围绕所述分配室间隔分布。
  26. 根据权利要求1-16中任一项所述的压铸成型模具,所述注胶孔设置在板体的一个侧面上,所述分配室设置在板体的中部内。
  27. 根据权利要求1-16中任一项所述的压铸成型模具,所述环形注胶通道为在所述板体的一个端面处形成的环形出口,优选地,所述环形出口围成的形状对应于橡胶靴筒身的底部的环形形状。
  28. 一种用于橡胶靴的压铸成型设备,包括:
    根据权利要求1-27中任一项所述的压铸成型模具;
    高压注入机构,用于将制备好的未硫化混炼胶料加压并注入到压铸成型模具的注胶孔;
    模具移动机构,用于按照预先设定的程序移动所述压铸成型模具的各个部分;和
    控制机构,用于控制模具移动机构和高压注入机构的操作。
  29. 根据权利要求28所述的压铸成型设备,还包括加热设备,用于对未硫化混炼胶料进行加热。
  30. 一种利用根据权利要求28或29所述的压铸成型设备制造硫化橡胶靴的方法,包括:
    将带分隔元件的鞋楦模具移动到分离的筒身模具之间;
    合上筒身模具以将所述鞋楦模具容纳在筒身模具中的适当位置;
    将注胶导流板定位并固定在筒身模具顶部上;
    向注胶导流板的注胶孔注胶,并由此通过注胶导流板的环形注胶通道向所述筒身模具与所述鞋楦模具之间的压铸成型腔注入未硫化混炼胶料;
    打开筒身模具,并撤出所述鞋楦模具;
    将不带分隔元件的第二鞋楦模具套上靴内里,并移动到筒身模具之间;
    合上筒身模具以将所述第二鞋楦模具容纳在筒身模具中的适当位置;
    将未硫化混炼胶料进行硫化以形成橡胶靴的筒身。
  31. 根据权利要求30所述的方法,在将未硫化混炼胶料进行硫化之前,还包括以下步骤:将大底模具合模到所述注胶导流板上部,并向大底模具的大底注胶孔注胶以形成靴底;将注胶导流板撤离筒身模具,并将大底模具与筒身模具相合;
    通过第二鞋楦模具中的充气通道向靴内里内部注入加压空气以将靴内里压向筒身内表面并向筒身施压,同时通过加热设备对筒身和第二鞋楦模具加热,使得未硫化混炼胶料进行硫化,筒身和靴底整体硫化以形成一体式硫化橡胶靴。
  32. 根据权利要求31所述的方法,还包括:在靴内里和第二鞋楦模具之间设置气囊以向靴内里均匀施压。
  33. 根据权利要求31或32所述的方法,还包括:所述第二鞋楦模具具有不同于橡胶靴的形状。
  34. 根据权利要求31所述的方法,还包括:
    在硫化后撤离大底模具,打开筒身模具,并使得硫化橡胶靴随所述第二鞋楦模具一起退出压铸成型设备。
  35. 根据权利要求34所述的方法,还包括:
    通过气压装置将硫化橡胶靴从所述第二鞋楦模具上脱离。
  36. 一种利用根据权利要求30-35所述的方法压铸成型的一体式硫化橡胶靴,包括一体压铸成型的筒身、鞋底和靴内里。
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