WO2023284664A1 - Moule de pneu segmenté - Google Patents

Moule de pneu segmenté Download PDF

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Publication number
WO2023284664A1
WO2023284664A1 PCT/CN2022/104823 CN2022104823W WO2023284664A1 WO 2023284664 A1 WO2023284664 A1 WO 2023284664A1 CN 2022104823 W CN2022104823 W CN 2022104823W WO 2023284664 A1 WO2023284664 A1 WO 2023284664A1
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WO
WIPO (PCT)
Prior art keywords
active
guide
block
driving
mold
Prior art date
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PCT/CN2022/104823
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English (en)
Chinese (zh)
Inventor
周金丛
刘代平
李健
Original Assignee
山东豪迈机械科技股份有限公司
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Publication of WO2023284664A1 publication Critical patent/WO2023284664A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
    • B29D30/0606—Vulcanising moulds not integral with vulcanising presses
    • B29D2030/0607—Constructional features of the moulds
    • B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns

Definitions

  • the present disclosure relates to the technical field of mold structures, in particular to a tire flexible mold.
  • Tire molds are the key basic equipment for tire vulcanization production, including ordinary active molds, two-half molds and other structural forms, which can basically meet the needs of tire vulcanization production, but for some tires whose tread pattern extends to the sidewall, the above molds exist The problem of difficult demoulding.
  • the industry generally addresses the above problems using two-half movable molds, typically comprising an upper mold section and a lower mold section, each of which translates vertically between open and closed positions.
  • Both the upper mold part and the lower mold part include a plurality of movable blocks.
  • the movable blocks of the upper mold part and the lower mold part translate outwardly in the radial direction.
  • the radial translation of each active block is beneficial to the demoulding of vulcanized objects. For example, tires with complex tread designs can be difficult to eject if the radial portions of the mold are not translated outwardly when portions of the slugs remain within the molded tread trying to resist the force of the mold to lift the tire vertically. mold.
  • the existing two-half active mold generally needs to be equipped with a special vulcanizing machine.
  • the vulcanizing machine needs to be equipped with two sets of upper and lower driving parts to perform the mold opening and closing action.
  • the two-half active mold cannot be used with ordinary vulcanizing machines, such as the top-opening active mold vulcanizing machine ( Only with upper driving parts), bottom-opening movable mold vulcanizing machine (only with lower driving parts), flat vulcanizing machine, etc., and it is difficult to use this special vulcanizing machine with other types of molds, so there is a problem of increased production and operation costs.
  • the present disclosure provides a tire flexible mold.
  • the present disclosure provides a tire flexible mold, comprising:
  • the first mold part includes a plurality of first active blocks, the plurality of first active blocks are used to mold a part of the tire tread pattern, and the outer circumference of the plurality of first active blocks is set first guide ring;
  • a second mold portion for use with said first mold portion, said second mold portion comprising a plurality of second active blocks for molding another portion of a tire tread pattern , and a second guide ring is arranged on the periphery of the plurality of second movable blocks;
  • a driving part is arranged inside the first guide ring and/or the second guide ring, and is used to drive the first movable block to move along the inner wall of the first guide ring and/or drive the The second movable block moves along the inner wall of the second guide ring.
  • the driving part includes a first driving part and a second driving part
  • each group includes at least one first driving part, and multiple groups of the first driving parts are arranged at intervals along the circumferential direction inside the first guide ring;
  • each set includes at least one second drive component, and multiple sets of second drive components are arranged at intervals along the circumferential direction inside the second guide ring.
  • the first driving part is located on the top or outside of the first movable block, or the first driving part is located between two adjacent first movable blocks;
  • the second driving part is located at the bottom or outside of the second movable block, or the second driving part is located between two second movable blocks.
  • the driving component includes a guide post and an elastic member sleeved outside the guide post;
  • One end of the guide column is connected to the top of the first mold part and/or the bottom of the second mold part, and the other end of the guide column extends into the first movable block and/or the second mold part. the interior of the active block;
  • One end of the elastic member is limited by the guide post or the first mold part, and the other end of the elastic member extends into the first movable block and/or the second movable block, and is connected with the first active block.
  • the first active block and/or the second active block are connected or abutted;
  • the elastic member When the first mold part and the second mold part are opened, the elastic member has a tendency to return to its original state, and pushes the first movable block to move along the inner wall of the first guide ring and/or Driving the second movable block to move along the inner wall of the second guide ring.
  • the drive part includes a first drive part and a second drive part
  • the first drive part includes a first guide post and a first elastic member sleeved outside the first guide post
  • the first guide post includes a first guide post and a first elastic member sleeved outside the first guide post
  • the first guide post includes a first guide post and a first elastic member sleeved outside the first guide post
  • the first guide post includes a second guide column and a second elastic member sleeved outside the second guide column;
  • the first mold part includes a mounting ring, and the second mold part further includes an outer base, the mounting ring is fixed to the top of the first guide ring, and the outer base is fixed to the top of the second guide ring. bottom;
  • a first accommodation groove is arranged inside the first movable block, one end of the first guide column is connected to the installation ring, and the other end of the first guide column extends into the first accommodation groove; the first guide column extends into the first accommodation groove;
  • One end of an elastic member is limited by the first guide post or the installation ring, and the other end of the first elastic member extends into the first receiving groove and abuts against the first receiving groove;
  • a second accommodation groove is provided inside the second movable block, one end of the second guide column is connected to the outer base, and the other end of the second guide column extends into the second accommodation groove; the first guide column One end of the second elastic member restricts the other end of the second elastic member from extending into the second receiving groove through the second guiding column or the outer base, and abuts against the second receiving groove.
  • one of the first movable block and the first guide ring is provided with a first guide bar, and the other is provided with a first guide groove used in conjunction with the first guide bar;
  • the second movable block and the second guide ring are provided with a second guide bar, and the other is provided with a second guide groove used in conjunction with the second guide bar.
  • a first fixing portion is provided on the inner side of the installation ring, and the first driving component is fixedly mounted on the first fixing portion;
  • the inner side of the outer base is provided with a second fixing part, and the second driving part is fixedly installed on the second fixing part.
  • one first movable block is correspondingly provided with two first driving components, and the two first driving components are arranged symmetrically;
  • one first active block is correspondingly provided with one first driving component
  • two adjacent first active blocks are connected through a synchronization component, and at least one first driving component is arranged between the two first active blocks.
  • one of the second active blocks is correspondingly provided with two of the second driving components, and the two of the second driving components are arranged symmetrically;
  • one second active block is correspondingly provided with one second driving component
  • two adjacent second active blocks are connected through a synchronization component, and at least one second driving component is arranged between the two second active blocks.
  • a plurality of the first driving components are evenly arranged in the inner circumferential direction of the first guide ring, wherein one of the first driving components corresponds to a plurality of the first movable blocks.
  • the inner wall of the first guide ring is set as a first guiding surface
  • the outer wall of the first movable block is set as a first mating surface adapted to the first guiding surface
  • the first guide surface is a first inclined surface or a first tapered surface
  • the inner wall of the second guide ring is set as a second guide surface
  • the outer wall of the second movable block is set as a second mating surface adapted to the second guide surface
  • the second guiding surface is a second inclined surface or a second tapered surface.
  • a plurality of the second driving components are evenly arranged in the inner circumferential direction of the second guide ring, wherein one of the second driving components may correspond to a plurality of the second movable blocks.
  • the first mold part further includes a cover body and a first slide block, one of the cover body and the first slide block is provided with a first horizontal chute, and the other is provided with a first horizontal chute. a protrusion, so that the first slider slides horizontally on the cover; the first slider is fixedly connected to the first movable block;
  • the second mold part includes a base plate and a second slide block, and one of the base plate and the second slide block is provided with a second horizontal chute, and the other is provided with a second protrusion, so that all The second sliding block slides horizontally on the base plate; the second sliding block is fixedly connected with the second movable block.
  • the first movable block drives the cover body to move up and down through the first slider;
  • the second movable block drives the substrate to move up and down through the second slider.
  • T-shaped slots are provided on the cover body and the base plate, and both the first slider and the second slider are T-shaped blocks used in conjunction with the T-shaped slots.
  • the inner wall of the first guide ring is provided with a first limiting block
  • the outer wall of the first movable block is provided with a first limiting groove used in cooperation with the first limiting block
  • the inner wall of the second guide ring is provided with a second limiting block
  • the outer wall of the second movable block is provided with a second limiting groove used in conjunction with the second limiting block.
  • a first positioning member is provided on the first movable block, and a second positioning member that cooperates with the first positioning member is provided on the second movable block.
  • the tire active mold provided by the embodiment of the present disclosure includes a first mold part, a second mold part and a driving part, the second mold part is used to cooperate with the first mold part, the first mold part includes a plurality of first active blocks, multiple A first active block is used to mold a part of the tire tread pattern, and a first guide ring is arranged on the outer periphery of the first active blocks; the second mold part includes a plurality of second active blocks, and the plurality of second active blocks are used Another part of the tire tread pattern is molded, and a second guide ring is arranged on the outer periphery of a plurality of second movable blocks; the driving part is at least partly arranged inside the first guide ring and/or the second guide ring for driving the first
  • the active block moves along the inner wall of the first guide ring and/or drives the second active block to move along the inner wall of the second guide ring.
  • the driving part is arranged inside the first guide ring and/or the second guide ring, the first movable block and/or the second movable block are driven to move by the driving part, so as to facilitate tire vulcanization in the first movable block and/or the second movable block and break away.
  • a dedicated driver is set on the vulcanizing machine to drive the active block to move, which increases the production and operation cost.
  • a driving component is arranged on the movable block to drive the movable block to move, which can be used in conjunction with an ordinary vulcanizing machine, thus reducing the cost of production and operation.
  • FIG. 1 is a cross-sectional view of a tire flexible mold according to an embodiment of the present disclosure at a first angle of view when the mold is closed;
  • Fig. 2 is a cross-sectional view of the first viewing angle when the flexible tire mold of the embodiment of the present disclosure is opened;
  • FIG. 3 is a cross-sectional view of a second viewing angle when the flexible tire mold of the embodiment of the present disclosure is closed;
  • Fig. 4 is a partial cross-sectional view of the first active block of the tire active mold according to the embodiment of the present disclosure
  • Fig. 5 is a partial enlarged view at the position of the first driving part of the tire active mold according to the embodiment of the present disclosure
  • FIG. 6 is a partial cross-sectional view of the second active block of the tire active mold according to the embodiment of the present disclosure
  • Fig. 7 is a partial enlarged view at the position of the second driving part of the tire active mold according to the embodiment of the present disclosure
  • Fig. 8 is a bottom view of the second active block of the tire active mold according to the embodiment of the present disclosure.
  • FIG. 9 is a schematic structural view of the mounting ring of the tire flexible mold according to the embodiment of the present disclosure.
  • FIG. 10 is a schematic structural view of the outer base of the tire flexible mold according to an embodiment of the present disclosure.
  • Fig. 11 is a partially enlarged view at the position of the first slider of the tire active mold according to the embodiment of the present disclosure
  • Fig. 12 is a partial enlarged view of the position of the second slider of the tire flexible mold according to the embodiment of the present disclosure.
  • Driving component 301, guiding column; 302, elastic member; 303, first driving component; 3031, first guiding column; 3032, first elastic member; 304, second driving component; 3041, second guiding column; 3042.
  • the second elastic member The second elastic member.
  • the two halves of the active mold generally need to be equipped with a special vulcanizing machine.
  • the vulcanizing machine needs to be equipped with two sets of upper and lower driving mechanisms to perform the mold opening and closing action, it needs to be equipped with a special vulcanizing machine, which cannot be used with ordinary vulcanizing machines, such as the upper opening type.
  • Die vulcanizing machine (only with upper driving parts), bottom-opening movable mold vulcanizing machine (only with lower driving parts), flat vulcanizing machine, etc., and it is difficult to use this special vulcanizing machine with other types of molds, resulting in a decrease in production and operation costs Increase.
  • each active block needs to be correctly engaged with the adjacent parts, so as to eliminate any gaps between the parts that cause mold damage, tire vulcanization quality and other problems.
  • one or more active blocks retract inward in a misaligned manner, or when multiple active blocks do not retract inward simultaneously, adjoining parts will not engage properly, which can cause parts to stick, stick, Moreover, the edges along the active blocks are worn or damaged, and the neutrality of the green tire cannot be guaranteed, or the vulcanized tire produces serious unevenness, rubber edges, etc.
  • the embodiment of the present disclosure provides a tire flexible mold, which can solve the above-mentioned problems.
  • the tire active mold provided by the embodiment of the present disclosure includes a first mold part 1, a second mold part 2 and a driving part 3,
  • the first mold part 1 includes a plurality of first active blocks 101, and a plurality of first mold parts 101
  • a movable block 101 is used to mold a part of the tire tread pattern, and a first guide ring 102 is provided on the outer periphery of a plurality of first movable blocks 101
  • the second mold part 2 is used to cooperate with the first mold part 1, which includes A plurality of second active blocks 201, the plurality of second active blocks 201 are used to mold another part of the tire tread pattern, and the outer circumference of the plurality of second active blocks 201 is provided with a second guide ring 202
  • the driving part 3 is arranged at the second A guide ring 102 and/or the inside of the second guide ring 202 are used to drive the first active block 101 to move along the inner wall of the first guide ring 102 and/or drive the second active block 201 to move along the
  • first guide ring 102 and/or the second guide ring 202 are provided with a driving part 3 inside, the first movable block 101 and/or the second active block 201 are driven to move by the drive part 3, which is convenient for the first active block 101 and/or the second active block 101 to move.
  • special-purpose vulcanizers are designed, and the special-purpose vulcanizers are provided with upper and lower two sets of driving mechanisms to drive the movable block to move, but cannot be used in conjunction with common vulcanizers, resulting in increased operating costs.
  • a driving component 3 is arranged on the movable block to drive the movable block to move, which can be used in conjunction with a common vulcanizing machine, thus reducing the cost of production and operation.
  • the driving part 3 can only be arranged inside the first guide ring 102, and the first movable block 101 can slide on the inner wall of the first guide ring 102 through the driving part 3, so the opening can be completed only by a small part of the force of the vulcanizer. Mold closing also saves the upper mold opening mechanism of the vulcanizer, which can be adapted to ordinary vulcanizers and reduce production and operation costs.
  • the driving part 3 can be only arranged on the inside of the second guide ring 202, and the second movable block 201 can slide on the inner wall of the second guide ring 202 through the driving part 3, so that the opening can be completed only by a small part of the force of the vulcanizer. Mold closing also saves the lower mold opening mechanism of the vulcanizer, which can be adapted to ordinary vulcanizers and reduce production and operation costs.
  • the driving part 3 is respectively arranged inside the first guide ring 102 and the second guide ring 202, and the first movable block 101 can slide on the inner wall of the first guide ring 102 through the driving part 3, and the driving part 3 can also make the
  • the second movable block 201 slides on the inner wall of the second guide ring 202, so the opening and closing of the mold can be completed only by a small part of the force of the vulcanizer, and the upper and lower mold opening mechanisms of the vulcanizer are also omitted, which can be adapted Equipped with ordinary vulcanizing machines, reducing production and operation costs.
  • the above-mentioned first active block 101 is an upper active block, and the first guide ring 102 is an upper guide ring.
  • the second active block 201 is a lower active block, and the second guide ring 202 is a lower guide ring.
  • first movable block 101 and second movable block 201 may be of an integrated structure, or may be composed of pattern blocks and mounting seats, and the pattern blocks are fixedly connected inside the mounting seats.
  • the above-mentioned ordinary vulcanizing machine is an ordinary vulcanizing machine used in the factory, which can be a flat vulcanizing machine, a common top-opening movable die vulcanizing machine (only equipped with upper driving parts), a common bottom-opening movable die vulcanizing machine (only equipped with a lower part) drive components), etc.
  • the driving part 3 includes a first driving part 303 and a second driving part 304; the first driving part 303 is provided in multiple groups, and each group includes at least one first driving part 303, and multiple groups of first driving parts 303 Arranged at intervals along the circumferential direction inside the first guide ring 102 , multiple sets of first driving components 303 simultaneously push the multiple first movable blocks 101 to move, enabling the multiple first movable blocks 101 to move synchronously.
  • Multiple sets of second drive components 304 are provided, and each set includes at least one second drive component 304.
  • Multiple sets of second drive components 304 are arranged at intervals along the circumferential direction inside the second guide ring 202, and multiple sets of second drive components 304 simultaneously push The movement of the second active block 201 can make multiple second active blocks 201 move synchronously.
  • the first driving part 303 is located on the top or outside of the first movable block 101, or the first driving part 303 is located between two adjacent first movable blocks 101, and the first driving part 303 is used to drive the first movable block
  • the movement of 101 has various forms, and the specific form may not be specifically limited, as long as it can drive the first active block 101 to move.
  • the second driving part 304 is located at the bottom or the outer side of the second movable block 201, or the second driving part 304 is located between two second movable blocks 201, and the second driving part 304 is used to drive the second movable block 201 to move with multiple
  • the specific form may not be specifically limited, as long as it can drive the second active block 201 to move.
  • the driving part 3 includes a guide post 301 and an elastic member 302 sleeved outside the guide post 301; one end of the guide post 301 is connected to the top of the first mold part 1 and/or the bottom of the second mold part 2 , the other end of the guide column 301 stretches into the inside of the first movable block 101 and/or the second movable block 201; one end of the elastic member 302 is limited by the guide column 301 or the first mold part 1, and the other end of the elastic member 302 extends into the The inside of the first active block 101 and/or the second active block 201 is connected or abutted with the first active block 101 and/or the second active block 201 .
  • the elastic member 302 When the first mold part 1 and the second mold part 2 are closed, the elastic member 302 is in a compressed state; when the first mold part 1 and the second mold part 2 are opened, the elastic member 302 has a tendency to return to its original state and push The first active block 101 moves along the inner wall of the first guide ring 102 and/or drives the second active block 201 to move along the inner wall of the second guide ring 202 , so it is very convenient to use.
  • the elastic member 302 may be a spring, and the spring is sleeved on the outside of the guide post 301 .
  • the first driving part 303 includes a first guide post 3031 and a first elastic member 3032 sleeved outside the first guide post 3031
  • the second driving part 302 includes a second guide post 3041 and a first elastic member 3032 sleeved outside the first guide post 3031.
  • the second elastic member 3042 outside the two guide posts 3041 .
  • the first mold part 1 also includes a mounting ring 103
  • the second mold part 2 further includes an outer base 203
  • the mounting ring 103 is fixed on the top of the first guide ring 102
  • the outer base 203 is fixed on the bottom of the second guide ring 202 .
  • the inside of the first movable block 101 is provided with a first receiving groove 1011, one end of the first guide column 3031 is connected with the mounting ring 103, and the other end of the first guide column 3031 extends into the first receiving groove 1011; one end of the first elastic member 3032 Restricted by the first guide column 3031 or the installation ring 103, the other end of the first elastic member 3032 extends into the first receiving groove 1011, and connects or abuts with the first receiving groove 1011, which can facilitate the first elastic member 3032 Compress and apply mold opening force to the first movable block 101.
  • the second movable block 201 is provided with a second receiving groove 2011 inside, one end of the second guide column 3041 is connected with the outer base 203, and the other end of the second guide column 3041 extends into the second receiving groove 2011; one end of the second elastic member 3042 Restricted by the second guide column 3041 or the outer base 203, the other end of the second elastic member 3042 extends into the second receiving groove 2011, and connects or abuts with the second receiving groove 2011, which can facilitate the compression of the second elastic member 3042 And apply mold opening force to the second movable block 201 .
  • the mounting ring 103 is located above the first guide ring 102
  • the outer base 203 is located below the second guide ring 202 .
  • One end of the first guide post 3031 is fixedly connected with the mounting ring 103 for fixing the first guide post 3031
  • one end of the second guide post 3041 is fixedly connected with the outer base 203 for fixing the second guide post 3041 .
  • first elastic member 3032 is fixedly connected to the first guide post 3031, or the first guide post 3031 is provided with an anti-crotch portion, and the anti-crotch portion abuts against the first elastic member 3032, or the installation ring 103 is provided with an inner groove , One end of the first elastic member 3032 abuts against the inner groove.
  • One end of the second elastic member 3042 is fixedly connected to the second guide post 3041, or the second guide post 3041 is provided with an anti-crotch portion, and the anti-crotch portion abuts against the second elastic member 3042, or the outer base 203 is also provided with an inner groove, One end of the second elastic member 3042 abuts against the inner groove.
  • the first driving part 303 is fixed inside the above-mentioned installation ring 103
  • the second driving part 304 is fixed inside the outer base 203 , which can facilitate the fixing of the first driving part 303 and the second driving part 304 .
  • the inside of the above-mentioned mounting ring 103 can also be provided with a first fixing portion 1031, and the inside of the outer base 203 can also be provided with a second fixing portion 2031, and both the first fixing portion 1031 and the second fixing portion 2031 can be provided in multiples, or can also be As an integral ring structure, the first driving part 303 can be installed on the first fixing part 1031 , and the second driving part 302 can be installed on the second fixing part 2031 .
  • first movable block 101 and the first guide ring 102 are provided with a first guide bar 1021, and the other is provided with a first guide groove used in conjunction with the first guide bar 1021, as long as It only needs to enable the first movable block 101 to slide along the inner wall of the first guide ring 102 , and the specific structure is not specifically limited here.
  • the second movable block 201 and the second guide ring 202 one of them is provided with a second guide bar 2021, and the other is provided with a second guide groove used in conjunction with the second guide bar 2021, as long as the second active block can be It only needs that 201 can slide along the inner wall of the second guide ring 202, and the specific structure is not specifically limited here.
  • first guide bar 1021 and the second guide bar 2021 are both configured as T-shaped bars, and the first guide groove and the second guide groove are both configured as T-shaped grooves.
  • first guide bar 1021 when the first guide bar 1021 is disposed on the first guide ring 102 , the first guide bar 1021 is fixed on the first guide ring 102 by a plurality of screws.
  • second guide bar 2021 is disposed on the second guide ring 202 , the second guide bar 2021 is fixed on the second guide ring 202 by a plurality of screws.
  • one first active block 101 is correspondingly provided with two first driving parts 303, and the two first driving parts 303 are arranged symmetrically with respect to the first guide bar 1021, and the two first driving parts 303 push a first The movement of the active block 101 prevents the first active block 101 from shifting, and has the advantage of good pushing effect.
  • one first active block 101 is correspondingly provided with one first driving part 303, and one first driving part 303 drives one first active block 101 to move, one-to-one pushing.
  • two adjacent first active blocks 101 are connected by a synchronous assembly, and at least one first driving part 303 is arranged between the two first active blocks 101, and one first driving part 303 pushes two first active blocks 101 Moving can save the setting of the first active block 101 and save costs.
  • the synchronous assembly can be a synchronous block, only need to set synchronous slots on two adjacent first movable blocks 101, extend the synchronous blocks into the synchronous slots and fix them, and the first driving part 303 pushes the synchronous blocks, or directly pushes the synchronous blocks.
  • the first active block 101 so that one first driving component 303 can drive two first active blocks 101 .
  • first driving components 303 are evenly arranged in the inner circumferential direction of the first guide ring 102, wherein one first driving component 303 can correspond to a plurality of first movable blocks 101, by saving the setting of the first movable blocks 101, Can save costs.
  • one second active block 201 is correspondingly provided with two second driving parts 302, and the two second driving parts 302 are arranged symmetrically, and the two second driving parts 302 push one second active block 201 to move, with The advantages of good promotion effect.
  • one second active block 201 is correspondingly provided with one second driving part 302, and one second driving part 302 drives one second active block 201 to move, and one-to-one pushing also has the advantage of good pushing effect.
  • two adjacent second active blocks 201 are connected by a synchronous assembly, and at least one second driving part 304 is arranged between the two second active blocks 201, and one second driving part 302 pushes two second active blocks 201 Moving can save the setting of the second active block 201 and save costs.
  • the synchronous assembly can be a synchronous block, only need to set up synchronous slots on two adjacent second movable blocks 201, extend the synchronous blocks into the synchronous slots and fix them, the second driving part 302 pushes the synchronous blocks, or directly The second active block 201 , so that one second driving component 302 can drive two second active blocks 201 .
  • a plurality of second drive components 304 are evenly arranged in the inner circumferential direction of the second guide ring 202, wherein one second drive component 304 can correspond to multiple second active blocks 201, by saving the setting of the second active blocks 201, Can save costs.
  • the inner wall of the first guide ring 102 is set as the first guide surface 1022, and the outer wall of the first movable block 101 is set as the first mating surface 1012 adapted to the first guide surface 1022;
  • the first guide surface 1022 is the first inclined surface or the first tapered surface;
  • the inner wall of the second guide ring 202 is set as the second guide surface 2022, and the outer wall of the second movable block 201 is set as the second mating surface 2014 matching the second guide surface 2022 ;
  • the second guide surface 2022 is a second inclined surface or a second tapered surface.
  • the setting of the first guide surface 1022 and the second guide surface 2022 can make the first movable block 101 and the second movable block 201 move vertically and also move horizontally.
  • the first movable block 101 and the second movable block 201 It will move outward to facilitate mold opening.
  • the first movable block 101 and the second movable block 201 will move inward at this time, which can facilitate mold clamping.
  • the first mold part 1 includes a cover body 104 and a first slide block 105.
  • the cover body 104 and the first slide block 105 one of them is provided with a first horizontal slide groove, and the other is provided with a The first protrusion is used to make the first sliding block 105 slide horizontally on the cover body 104 , and the first sliding block 105 is fixedly connected with the first movable block 101 .
  • the first movable block 101 moves obliquely downward, which will drive the first slider 105 to move downward.
  • the first slider 105 can slide horizontally along the cover body 104, it is not restricted in the horizontal direction.
  • the first movable block 101 is restricted in the vertical direction, mainly for the purpose of synchronous movement of multiple first movable blocks 101 and avoiding jamming and crushing of the first mold part 1 .
  • the second mold part 2 includes a base plate 204 and a second slide block 205.
  • one of the base plate 204 and the second slide block 205 is provided with a second horizontal slide groove, and the other is provided with a second protrusion, so that the second The slider 205 slides horizontally on the base plate 204 ; the second slider 205 is fixedly connected with the second movable block 201 .
  • the second movable block 201 moves obliquely downward, which will drive the second slider 205 to move downward.
  • the second slider 205 can slide horizontally along the base plate 204, it is not restricted in the horizontal direction, but The second movable block 201 is restricted in the vertical direction, mainly to enable the multiple second movable blocks 201 to move synchronously and avoid the second mold part 2 from being stuck or crushed. So as to ensure the accuracy of mold closing and ensure smooth mold closing.
  • the first movable block 101 drives the cover body 104 to move up and down through the first slider 105;
  • the base plate 204 moves up and down; thus, the multiple first active blocks 101 can move synchronously and the multiple second active blocks 201 can move synchronously.
  • T-shaped slots are provided on the cover body 104 and the base plate 204, and the first slider 105 and the second slider 205 are both T-shaped blocks used in conjunction with the T-shaped slots.
  • the cooperation between the T-shaped slots and the T-shaped blocks can It is convenient to move the first slider 105 and the second slider 205 in the horizontal direction.
  • the inner wall of the first guide ring 102 is provided with a first limiting block
  • the outer wall of the first movable block 101 is provided with a first limiting groove used in conjunction with the first limiting block.
  • the second A limit block can limit the downward movement height of the first movable block 101 .
  • the inner wall of the second guide ring 202 is provided with a second limiting block
  • the outer wall of the second movable block 201 is provided with a second limiting groove 2012 used in conjunction with the second limiting block.
  • the second limiting block can The height that the second movable block 201 moves up is limited.
  • the first movable block 101 is provided with a first positioning member 1014
  • the second movable block 201 is provided with a second positioning member 2013 used in conjunction with the first positioning member 1014, which can ensure accurate positioning and mold opening The mold closes smoothly.
  • the tire active mold provided by the embodiment of the present disclosure drives the first active block 101 and/or the second active block 201 to move through the driving part 3, so as to facilitate tire installation in the first active block 101 and/or the second active block 201 and break away.
  • the two halves of the active mold can be used with common vulcanizing machines without having to design and manufacture special vulcanizing machines separately, thus reducing the cost of production and operation.
  • first slider 105 and the cover body 104 Through the cooperating arrangement of the first slider 105 and the cover body 104, a plurality of first movable blocks 101 can move synchronously, avoiding situations such as jamming and crushing of the first mold part 1, and through the second slider 205 and the base plate 204
  • the cooperating arrangement can enable the multiple second movable blocks 201 to move synchronously, and also prevent the second mold part 2 from being stuck, crushed, and the like.
  • the setting of the first positioning piece 1014 and the second positioning piece 2013 ensures positioning preparation and smooth mold opening and closing.
  • the present invention not only reduces the cost of production and operation, but also has good uniformity of the produced tires and meets the use requirements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

La présente invention se rapporte au domaine technique des structures de moule, et en particulier, à un moule de pneu segmenté, comprenant une première partie de moule, une seconde partie de moule et des composants d'entraînement. La première partie de moule comprend une pluralité de premiers blocs segmentés, la pluralité de premiers blocs segmentés sont utilisés pour mouler une partie des motifs de bande de roulement de pneu, et des premières bagues de guidage sont disposées sur les périphéries de la pluralité de premiers blocs segmentés ; la seconde partie de moule comprend une pluralité de seconds blocs segmentés, la pluralité de seconds blocs segmentés sont utilisés pour mouler l'autre partie des motifs de bande de roulement de pneu, et des secondes bagues de guidage sont disposées sur les périphéries de la pluralité de seconds blocs segmentés ; et les composants d'entraînement sont disposés sur les côtés internes des premières bagues de guidage et/ou des secondes bagues de guidage et sont utilisés pour entraîner les premiers blocs segmentés à se déplacer le long des parois internes des premières bagues de guidage et/ou pour entraîner les seconds blocs segmentés à se déplacer le long des parois internes des secondes bagues de guidage, de telle sorte que la vulcanisation et la séparation d'un pneu dans les premiers blocs segmentés et/ou les seconds blocs segmentés sont réalisées. Selon la présente invention, les composants d'entraînement sont disposés sur les blocs segmentés pour entraîner les blocs segmentés à se déplacer, les blocs segmentés peuvent être utilisés en coopération avec une machine de vulcanisation commune, et les coûts de production et d'exploitation peuvent être réduits.
PCT/CN2022/104823 2021-07-13 2022-07-11 Moule de pneu segmenté WO2023284664A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN113306182B (zh) * 2021-07-13 2022-12-27 山东豪迈机械科技股份有限公司 轮胎活络模具
CN115257032B (zh) * 2022-09-28 2023-01-13 山东豪迈机械科技股份有限公司 轮胎模具

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JPS58211438A (ja) * 1982-06-02 1983-12-08 Sumitomo Rubber Ind Ltd タイヤ金型
JPH04348915A (ja) * 1991-05-28 1992-12-03 Sumitomo Rubber Ind Ltd タイヤ用金型
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