WO2020133828A1 - Connecting structure for mold cavity mold locking ring and mold cavity - Google Patents

Connecting structure for mold cavity mold locking ring and mold cavity Download PDF

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Publication number
WO2020133828A1
WO2020133828A1 PCT/CN2019/083558 CN2019083558W WO2020133828A1 WO 2020133828 A1 WO2020133828 A1 WO 2020133828A1 CN 2019083558 W CN2019083558 W CN 2019083558W WO 2020133828 A1 WO2020133828 A1 WO 2020133828A1
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Prior art keywords
mold
mold cavity
cooling water
water channel
ring
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PCT/CN2019/083558
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French (fr)
Chinese (zh)
Inventor
姜晓平
卢佳
邝妃劲
吴裕光
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广东星联精密机械有限公司
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Publication of WO2020133828A1 publication Critical patent/WO2020133828A1/en

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    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/48Moulds
    • B29C49/4823Moulds with incorporated heating or cooling means
    • 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
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/48Moulds
    • B29C49/4823Moulds with incorporated heating or cooling means
    • B29C2049/4825Moulds with incorporated heating or cooling means for cooling moulds or mould parts

Definitions

  • the invention relates to a mold connection structure, in particular to a connection structure between a mold cavity locking ring and a mold cavity.
  • the two-step blow molding technology is one of the more widely used technologies in the production of plastic beverage bottles.
  • the first step of the two-step blow molding technology is to inject the preform first, and then pass the second step.
  • To heat and blow bottle preforms and apply two-step bottle blowing technology for beverage bottle production it is necessary to first manufacture a preform injection mold, and then use the mold to injection mold the preform.
  • Most of the injection molds for preforms are a multi-cavity structure.
  • the cavity installation part of the injection mold generally includes the mold cavity, the bottom mold, the mold cavity plate, and the mold clamping ring.
  • the mold cavity and the bottom mold are installed in the mold cavity plate ,
  • the mold clamping ring is installed on the end surface of the cavity plate, the mold clamping ring, the cavity, and the bottom mold are sequentially arranged along the same axis, and the four parts of the mold cavity, the bottom mold, the cavity plate, and the mold clamping ring need to be installed during installation
  • Position each other between each other to make the function of auxiliary injection such as cooling channels on the parts normal, and the existing cavity and mold ring installation methods are as follows: if the patent application number is 200880018862.X, the patent name is mold insert and As shown in the Chinese invention patent of the mold stack used with the molding machine, the cavity of the mold cavity is stuck in the groove of the mold clamping ring to locate the mold cavity, and a part of the outer wall of the mold clamping ring will extend into the cooling water channel of the mold cavity, hindering The flow of cooling water and reducing the cooling area of the cooling water channel lead to a reduction in the cooling efficiency of the cooling cavity of the mold cavity
  • the existing positioning structure between the mold clamping ring and the mold cavity is: processing the mold clamping ring at the end of the mold clamping ring Groove, machining the cavity convex groove at the end of the mold cavity, and then clamping the cavity convex groove in the mold clamping ring groove to locate the mold cavity, because the mold clamping ring groove is provided on the inner hole of the mold clamping ring, When machining the groove of the mold clamping ring, it is necessary to extend the tool into the inner hole of the mold clamping ring for processing, which is very difficult to process, and the general rate of the mold clamping ring of this connection structure is not high, and it cannot be used as a universal part. The cost of processing production.
  • the present invention provides a connection structure between a mold cavity locking ring and a mold cavity.
  • a connection structure between a mold cavity locking ring and a mold cavity includes a mold cavity, a bottom mold, a mold cavity plate, and a mold locking ring.
  • the mold cavity and the bottom mold are installed in the mold cavity plate, and the mold locking ring is installed in On the end surface of the mold cavity plate, the mold clamping ring, the mold cavity, and the bottom mold are sequentially arranged along the same axis, and the mold cavity cooling water channel is provided on the outer side wall of the mold cavity, and the mold cavity cooling water channel is clockwise or reverse
  • the spiral water channel structure of the hour hand the bottom mold is provided with a bottom mold cooling water channel, the mold cavity cooling water channel is communicated with the bottom mold cooling water channel, and the mold cavity plate is provided with a water inlet channel and a water outlet channel, the water inlet The channel and the water outlet channel are respectively connected to the mold cavity cooling water channel and the bottom mold cooling water channel, and the water inlet channel, mold cavity cooling water channel, bottom mold cooling water channel, and water outlet channel are sequentially connected
  • a through hole for inserting the mold core is provided in the middle of the mold clamping ring, the through hole includes an upper through hole with a rounded platform structure and a lower through hole with a cylindrical structure, and the top of the cavity Nested in the lower through hole, the positioning hole is separated from the upper through hole, the positioning hole is in communication with the lower through hole, and the outer periphery of the mold clamping ring is provided with a mounting hole for fixed installation with the mold cavity, the mold cavity There are threaded holes corresponding to the mounting holes, and the mold clamping ring and the mold cavity are fixedly connected by bolts.
  • an upper end face sealing ring is provided on the connecting end face between the mold cavity plate and the mold clamping ring.
  • a top seal ring is provided on the connection surface between the mold cavity and the mold clamping ring, and the top seal ring is provided above the mold cavity cooling water channel.
  • a lower end face seal ring is provided on the connecting end face between the mold cavity and the bottom mold.
  • a bottom seal ring is provided on the connection surface between the cavity plate and the bottom mold, and the bottom seal ring is provided below the cooling water channel of the bottom mold.
  • the end face of the cavity plate is provided with an upper end face sealing groove for installing an upper end face seal ring.
  • a top seal groove for installing a top seal ring is provided on the top of the mold cavity, and the top seal groove is provided between the mold cavity cooling water channel and the positioning groove.
  • the end face of the bottom mold is provided with a lower end face sealing groove for installing a lower end face sealing ring.
  • the bottom of the bottom mold is provided with a bottom sealing groove for installing a bottom sealing ring, and the bottom sealing groove is provided below the cooling water channel of the bottom mold.
  • the beneficial effects of the present invention are: a connection structure of a mold cavity locking ring and a mold cavity of the present invention, when assembling, only the bottom mold and the mold cavity need to be sleeved into the mold cavity plate in order, and the mold locking ring is fixed by bolts Installed on the mold cavity plate, adjust the relative position of the positioning hole and the positioning groove and insert the positioning pin to fix it.
  • the installation is convenient and the accuracy is high, and the mold locking ring and the mold cavity cooling water channel do not interfere with each other.
  • connection structure of the present invention when the connection structure of the present invention is processed, it is only necessary to set a positioning hole on the side of the mold clamping ring and a positioning groove on the outer side of the top of the mold cavity, and the processing is simple It is fast and can effectively reduce the processing cost, and the clamping ring of this connection structure has high versatility.
  • FIG. 3 is a schematic structural view of a cavity plate of this embodiment
  • FIG. 4 is a schematic structural view of a mode-locking ring of this embodiment
  • FIG. 5 is a schematic structural view of a mold cavity of this embodiment
  • FIG. 6 is a schematic structural view of the bottom mold of this embodiment.
  • This embodiment discloses a connection structure between a mold cavity locking ring and a mold cavity, including a mold cavity 1, a bottom mold 2, a mold cavity plate 3, and a mold locking ring 4, the mold cavity 1 and the bottom mold 2 are installed in the mold In the cavity plate 3, the mold locking ring 4 is installed on the end surface of the mold cavity plate 3, the mold locking ring 4, the mold cavity 1, and the bottom mold 2 are sequentially arranged along the same axis, and the outer side wall of the mold cavity 1 A mold cavity cooling water channel 12 is provided.
  • the mold cavity cooling water channel 12 is a spiral water channel structure clockwise or counterclockwise.
  • the bottom mold 2 is provided with a bottom mold cooling water channel 21.
  • the mold cavity cooling water channel 12 and the bottom mold The cooling water channel 21 communicates with each other.
  • the mold cavity plate 3 is provided with a water inlet channel 31 and a water outlet channel 32.
  • the water inlet channel 31 and the water outlet channel 32 are respectively connected to the mold cavity cooling water channel 12 and the bottom mold cooling water channel 21.
  • the water inlet channel 31, the mold cavity cooling water channel 12, the bottom mold cooling water channel 21, and the water outlet channel 32 are sequentially connected to form a circulating cooling water channel, and a positioning pin 5 is provided between the mold cavity 1 and the mold locking ring 4, and the mold locking A positioning hole 41 is provided on the side of the ring 4, a positioning groove 11 is provided on the top of the mold cavity 1, the top of the mold cavity 1 is sleeved in the mold clamping ring 4, and the positioning pin 5 is inserted into one end in the positioning hole 41 It is clamped on the positioning groove 11.
  • the mold clamping ring 4 is fixedly installed on the mold cavity plate 3 by bolts, and the positioning hole 41 is adjusted.
  • the positioning pin 5 can be inserted into the relative position of the positioning groove 11 to fix it, and the installation is convenient and the accuracy is high; when the connection structure of the present invention is processed, only the positioning hole 41 needs to be opened on the side of the mold clamping ring 4 and the mold cavity 1 It is only necessary to set the positioning groove 11 on the outer side of the top, and the processing is simple and fast, which can effectively reduce the processing cost, and the mold clamping ring 4 of this connection structure is more versatile, and positioning through this connection structure can make the mold cavity cooling water channel 12 and The water inlet channel 31 is accurately installed, so that the cooling water flow of the mold cavity 1 flows according to a predetermined circulating cooling water channel, and the cooling performance of the mold cavity 1 is ensured.
  • a through hole 42 for inserting the mold core is provided in the middle of the mold clamping ring 4, and the through hole 42 includes an upper through hole 421 with a round platform structure and a lower through hole 422 with a cylindrical structure.
  • the top of the mold cavity 1 is sleeved in the lower through hole 422, the positioning hole 41 is separated from the upper through hole 421, the positioning hole 41 communicates with the lower through hole 422, and the outer periphery of the mold clamping ring 4 is provided with A mounting hole 43 fixedly installed with the mold cavity 1, the mold cavity 1 is provided with a screw hole corresponding to the mounting hole 43, the mold locking ring 4 and the mold cavity 1 are fixedly connected by bolts, and the mold cavity 1 is provided with a body cavity 14 for forming a bottle body in the middle, and a bottom cavity 2 for forming a bottle bottom and an injection cavity 25 for connecting an injection molding machine are formed on the bottom mold 2 The cavity 14 communicates with the bottom mold cavity 24.
  • An injection channel 26 is provided between the injection cavity 25
  • an upper end surface sealing ring 6 is provided on the connecting end surface between the cavity plate 3 and the mold clamping ring 4, and an upper surface for installing the upper end surface sealing ring 6 is provided on the end surface of the cavity plate 3
  • An end face sealing groove 33, a lower end face sealing ring 8 is provided on the connecting end face between the cavity 1 and the bottom die 2, and a lower end face sealing groove for installing the lower end face sealing ring 8 is provided on the end face of the bottom die 2 22.
  • the upper end face seal ring 6 and the lower end face seal ring 8 They are respectively installed on the connecting end faces. During installation, the upper end face sealing ring 6 and the lower end face sealing ring 8 are pressed tightly by the pressure of the clamping ring 4 and the mold cavity 1 to prevent the deterioration of the sealing effect due to the aging and wear of the sealing ring material.
  • the pressure effect of the mold clamping ring 4 and the mold cavity 1 can effectively improve the sealing effect of the mold cavity cooling water channel 12.
  • connection surface between the mold cavity 1 and the mold clamping ring 4 is provided with a top seal ring 7, the top seal ring 7 is provided above the mold cavity cooling water channel 12, the The top is provided with a top seal groove 13 for installing the top seal ring 7, and the top seal groove 13 is provided between the mold cavity cooling water channel 12 and the positioning groove 11.
  • connection surface between the cavity plate 3 and the bottom mold 2 is provided with a bottom seal ring 9, the bottom seal ring 9 is provided below the cooling water passage 21 of the bottom mold, the bottom mold 2
  • the bottom is provided with a bottom sealing groove 23 for installing the bottom sealing ring 9.
  • the bottom sealing groove 23 is provided below the cooling water channel 21 of the bottom mold.

Abstract

A connecting structure for a mold cavity mold locking ring and a mold cavity, comprising a mold cavity, a bottom mold, a mold cavity plate, and a mold locking ring. The mold cavity and the bottom mold are mounted in the mold cavity plate; the mold locking ring is mounted on the end surface of the mold cavity plate; the mold locking ring, the mold cavity, and the bottom mold are sequentially arranged along the same axis; a mold cavity cooling water channel is provided on the outer side wall of the mold cavity; a bottom mold cooling water channel is provided on the bottom mold; the mold cavity cooling water channel is communicated with the bottom mold cooling water channel, and the mold cavity plate is provided with a water inlet channel and a water outlet channel; the water inlet channel and the water outlet channel are separately connected to the mold cavity cooling water channel and the bottom mold cooling water channel; the water inlet channel, mold cavity cooling water channel, the bottom mold cooling water channel, and the water outlet channel are sequentially communicated to form a circulating cooling water channel; a positioning pin is provided between the mold cavity and the mold locking ring for connection; a positioning hole is provided at the side surface of the mold locking ring; a positioning groove is provided at the top of the mold cavity; the top of the mold cavity is sleeved in the mold locking ring; the end of the positioning pin inserted into the positioning hole is clipped to the positioning groove.

Description

一种模腔锁模环与模腔的连接结构Connection structure of mold cavity locking ring and mold cavity 技术领域Technical field
本发明涉及一种模具连接结构,具体涉及一种模腔锁模环与模腔的连接结构。The invention relates to a mold connection structure, in particular to a connection structure between a mold cavity locking ring and a mold cavity.
背景技术Background technique
在饮料瓶的生产制造中,二步法吹瓶技术是现塑料饮料瓶生产中应用较为广泛的技术之一,二步法吹瓶技术的第一步是先注塑瓶坯,第二步再通过对瓶坯瓶坯进行加热吹瓶,应用二步法吹瓶技术进行饮料瓶生产需要先制造瓶坯注塑模具,再用该模具注塑成型瓶坯。目前,瓶坯的注塑模具大部分是一模多腔结构,注塑模具的模腔安装部分一般包括模腔、底模、模腔板、锁模环,模腔和底模安装在模腔板内,锁模环安装在模腔板的端面上,锁模环、模腔、底模依次沿同一轴线设置,在安装时需要对模腔、底模、模腔板、锁模环四个部件之间进行相互定位,以使部件上的冷却水道等辅助注塑的功能正常,而现有的模腔和锁模环的安装方式为:如专利申请号为200880018862.X,专利名称为模具嵌件及与模制机器一起使用的模具堆叠的中国发明专利所示,模腔凸槽卡在锁模环凹槽内进行模腔定位,锁模环的一部分外壁将伸入至模腔冷却水道内,阻碍冷却水的流动以及减小冷却水道的冷却面积,导致模腔冷却水道的冷却效率降低,现有的锁模环与模腔之间的定位结构为:在锁模环的端部加工锁模环凹槽,在模腔的端部加工模腔凸槽,然后将模腔凸槽卡在锁模环凹槽内进行模腔定位,因为锁模环凹槽设置在锁模环的内孔上,锁模环凹槽加工时需要将刀具伸入锁模环的内孔进行加工,加工难度非常大,并且这种连接结构的锁模环通用率不高,无法形成通用件进行使用,加大了加工生产的成本。In the production of beverage bottles, the two-step blow molding technology is one of the more widely used technologies in the production of plastic beverage bottles. The first step of the two-step blow molding technology is to inject the preform first, and then pass the second step. To heat and blow bottle preforms and apply two-step bottle blowing technology for beverage bottle production, it is necessary to first manufacture a preform injection mold, and then use the mold to injection mold the preform. At present, most of the injection molds for preforms are a multi-cavity structure. The cavity installation part of the injection mold generally includes the mold cavity, the bottom mold, the mold cavity plate, and the mold clamping ring. The mold cavity and the bottom mold are installed in the mold cavity plate , The mold clamping ring is installed on the end surface of the cavity plate, the mold clamping ring, the cavity, and the bottom mold are sequentially arranged along the same axis, and the four parts of the mold cavity, the bottom mold, the cavity plate, and the mold clamping ring need to be installed during installation Position each other between each other to make the function of auxiliary injection such as cooling channels on the parts normal, and the existing cavity and mold ring installation methods are as follows: if the patent application number is 200880018862.X, the patent name is mold insert and As shown in the Chinese invention patent of the mold stack used with the molding machine, the cavity of the mold cavity is stuck in the groove of the mold clamping ring to locate the mold cavity, and a part of the outer wall of the mold clamping ring will extend into the cooling water channel of the mold cavity, hindering The flow of cooling water and reducing the cooling area of the cooling water channel lead to a reduction in the cooling efficiency of the cooling cavity of the mold cavity. The existing positioning structure between the mold clamping ring and the mold cavity is: processing the mold clamping ring at the end of the mold clamping ring Groove, machining the cavity convex groove at the end of the mold cavity, and then clamping the cavity convex groove in the mold clamping ring groove to locate the mold cavity, because the mold clamping ring groove is provided on the inner hole of the mold clamping ring, When machining the groove of the mold clamping ring, it is necessary to extend the tool into the inner hole of the mold clamping ring for processing, which is very difficult to process, and the general rate of the mold clamping ring of this connection structure is not high, and it cannot be used as a universal part. The cost of processing production.
发明内容Summary of the invention
为了克服现有技术的不足,本发明提供一种模腔锁模环与模腔的连接结构。In order to overcome the shortcomings of the prior art, the present invention provides a connection structure between a mold cavity locking ring and a mold cavity.
本发明解决其技术问题所采用的技术方案是:The technical solutions adopted by the present invention to solve its technical problems are:
一种模腔锁模环与模腔的连接结构,包括模腔、底模、模腔板、锁模环,所述模腔和底模安装在模腔板内,所述锁模环安装在模腔板的端面上,所述锁模环、模腔、底模依次沿同一轴线设置,所述模腔的外侧壁上设有模腔冷却水道,所述模腔冷却水道为顺时针或逆时针的螺旋水道结构,所述底模上设有底模冷却水道,所述模腔冷却水道与底模冷却水道连通,所述模腔板上设有进水通道和出水通道,所述进水通道、出水通道分别与模腔冷却水道、底模冷却水道连接,所述进水通道、模腔冷却水道、底模冷却水道、出水通道依次连通形成循环冷却水道,所述模腔与锁模环之间设有定位销连接,所述锁模环的侧面设有定位孔,所述模腔 的顶部设有定位槽,所述模腔的顶部套接在锁模环内,所述定位销插入定位孔内一端卡接在定位槽上。A connection structure between a mold cavity locking ring and a mold cavity includes a mold cavity, a bottom mold, a mold cavity plate, and a mold locking ring. The mold cavity and the bottom mold are installed in the mold cavity plate, and the mold locking ring is installed in On the end surface of the mold cavity plate, the mold clamping ring, the mold cavity, and the bottom mold are sequentially arranged along the same axis, and the mold cavity cooling water channel is provided on the outer side wall of the mold cavity, and the mold cavity cooling water channel is clockwise or reverse The spiral water channel structure of the hour hand, the bottom mold is provided with a bottom mold cooling water channel, the mold cavity cooling water channel is communicated with the bottom mold cooling water channel, and the mold cavity plate is provided with a water inlet channel and a water outlet channel, the water inlet The channel and the water outlet channel are respectively connected to the mold cavity cooling water channel and the bottom mold cooling water channel, and the water inlet channel, mold cavity cooling water channel, bottom mold cooling water channel, and water outlet channel are sequentially connected to form a circulating cooling water channel, and the mold cavity and the mold locking ring There is a positioning pin connection between them, a positioning hole is provided on the side of the mold locking ring, a positioning groove is provided on the top of the mold cavity, the top of the mold cavity is sleeved in the mold locking ring, and the positioning pin is inserted One end in the positioning hole is snapped on the positioning groove.
在本发明中,所述锁模环的中部开设有用于模芯插入的通孔,所述通孔包括倒圆台状结构的上通孔和圆柱状结构的下通孔,所述模腔的顶部套接在下通孔内,所述定位孔与上通孔隔断,所述定位孔与下通孔连通,所述锁模环的外周设有用于与模腔固定安装的安装孔,所述模腔上设有与安装孔相对应的螺纹孔,所述锁模环与模腔之间通过螺栓固定连接。In the present invention, a through hole for inserting the mold core is provided in the middle of the mold clamping ring, the through hole includes an upper through hole with a rounded platform structure and a lower through hole with a cylindrical structure, and the top of the cavity Nested in the lower through hole, the positioning hole is separated from the upper through hole, the positioning hole is in communication with the lower through hole, and the outer periphery of the mold clamping ring is provided with a mounting hole for fixed installation with the mold cavity, the mold cavity There are threaded holes corresponding to the mounting holes, and the mold clamping ring and the mold cavity are fixedly connected by bolts.
在本发明中,所述模腔板与锁模环之间的连接端面上设置有上端面密封圈。In the present invention, an upper end face sealing ring is provided on the connecting end face between the mold cavity plate and the mold clamping ring.
在本发明中,所述模腔与锁模环之间的连接面上设置有顶部密封圈,所述顶部密封圈设置在模腔冷却水道的上方。In the present invention, a top seal ring is provided on the connection surface between the mold cavity and the mold clamping ring, and the top seal ring is provided above the mold cavity cooling water channel.
在本发明中,所述模腔与底模之间的连接端面上设置有下端面密封圈。In the present invention, a lower end face seal ring is provided on the connecting end face between the mold cavity and the bottom mold.
在本发明中,所述模腔板与底模之间的连接面上设置有底部密封圈,所述底部密封圈设置在底模冷却水道的下方。In the present invention, a bottom seal ring is provided on the connection surface between the cavity plate and the bottom mold, and the bottom seal ring is provided below the cooling water channel of the bottom mold.
在本发明中,所述模腔板的端面上设有用于安装上端面密封圈的上端面密封槽。In the present invention, the end face of the cavity plate is provided with an upper end face sealing groove for installing an upper end face seal ring.
在本发明中,所述模腔的顶部设有用于安装顶部密封圈的顶部密封槽,所述顶部密封槽设置在模腔冷却水道与定位槽之间。In the present invention, a top seal groove for installing a top seal ring is provided on the top of the mold cavity, and the top seal groove is provided between the mold cavity cooling water channel and the positioning groove.
在本发明中,所述底模的端面上设有用于安装下端面密封圈的下端面密封槽。In the present invention, the end face of the bottom mold is provided with a lower end face sealing groove for installing a lower end face sealing ring.
在本发明中,所述底模的底部设有用于安装底部密封圈的底部密封槽,所述底部密封槽设置在底模冷却水道的下方。In the present invention, the bottom of the bottom mold is provided with a bottom sealing groove for installing a bottom sealing ring, and the bottom sealing groove is provided below the cooling water channel of the bottom mold.
本发明的有益效果是:本发明的一种模腔锁模环与模腔的连接结构,装配时,只需要将底模和模腔依次套入模腔板内,将锁模环通过螺栓固定安装在模腔板上,调节定位孔和定位槽的相对位置插入定位销固定即可,安装便捷并且准度高,并且锁模环与模腔冷却水道之间相互不干扰,模腔冷却水道的冷却面积增大,从而提高模具的冷却效率;本实用新型的连接结构在加工时,只需要在锁模环的侧面开设定位孔,以及在模腔顶部的外侧面开设定位槽即可,加工简单快捷,可以有效降低加工成本,并且此连接结构的锁模环通用性较高。The beneficial effects of the present invention are: a connection structure of a mold cavity locking ring and a mold cavity of the present invention, when assembling, only the bottom mold and the mold cavity need to be sleeved into the mold cavity plate in order, and the mold locking ring is fixed by bolts Installed on the mold cavity plate, adjust the relative position of the positioning hole and the positioning groove and insert the positioning pin to fix it. The installation is convenient and the accuracy is high, and the mold locking ring and the mold cavity cooling water channel do not interfere with each other. The cooling area is increased, thereby improving the cooling efficiency of the mold; when the connection structure of the present invention is processed, it is only necessary to set a positioning hole on the side of the mold clamping ring and a positioning groove on the outer side of the top of the mold cavity, and the processing is simple It is fast and can effectively reduce the processing cost, and the clamping ring of this connection structure has high versatility.
附图说明BRIEF DESCRIPTION
下面结合附图和实施方式对本发明进一步说明:The present invention is further described below with reference to the drawings and embodiments:
图1为本实施例的整体结构示意图;1 is a schematic diagram of the overall structure of this embodiment;
图2为本实施例的锁模环和模腔的连接结构爆炸图;2 is an exploded view of the connection structure of the mold clamping ring and the mold cavity of this embodiment;
图3为本实施例模腔板的结构示意图;3 is a schematic structural view of a cavity plate of this embodiment;
图4为本实施例锁模环的结构示意图;FIG. 4 is a schematic structural view of a mode-locking ring of this embodiment;
图5为本实施例模腔的结构示意图;5 is a schematic structural view of a mold cavity of this embodiment;
图6为本实施例底模的结构示意图。6 is a schematic structural view of the bottom mold of this embodiment.
具体实施方式detailed description
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention.
实施例:Example:
本实施例公开了一种模腔锁模环与模腔的连接结构,包括模腔1、底模2、模腔板3、锁模环4,所述模腔1和底模2安装在模腔板3内,所述锁模环4安装在模腔板3的端面上,所述锁模环4、模腔1、底模2依次沿同一轴线设置,所述模腔1的外侧壁上设有模腔冷却水道12,所述模腔冷却水道12为顺时针或逆时针的螺旋水道结构,所述底模2上设有底模冷却水道21,所述模腔冷却水道12与底模冷却水道21连通,所述模腔板3上设有进水通道31和出水通道32,所述进水通道31、出水通道32分别与模腔冷却水道12、底模冷却水道21连接,所述进水通道31、模腔冷却水道12、底模冷却水道21、出水通道32依次连通形成循环冷却水道,所述模腔1与锁模环4之间设有定位销5连接,所述锁模环4的侧面设有定位孔41,所述模腔1的顶部设有定位槽11,所述模腔1的顶部套接在锁模环4内,所述定位销5插入定位孔41内一端卡接在定位槽11上,装配时,只需要将底模2和模腔1依次套入模腔板3内,将锁模环4通过螺栓固定安装在模腔板3上,调节定位孔41和定位槽11的相对位置插入定位销5固定即可,安装便捷并且准度高;本实用新型的连接结构在加工时,只需要在锁模环4的侧面开设定位孔41,以及在模腔1顶部的外侧面开设定位槽11即可,加工简单快捷,可以有效降低加工成本,并且此连接结构的锁模环4通用性较高,通过这种连接结构定位可以使模腔冷却水道12与进水通道31准确的安装,使模腔1的冷却水流按预定的循环冷却水道流动,保证模腔1的冷却性能。This embodiment discloses a connection structure between a mold cavity locking ring and a mold cavity, including a mold cavity 1, a bottom mold 2, a mold cavity plate 3, and a mold locking ring 4, the mold cavity 1 and the bottom mold 2 are installed in the mold In the cavity plate 3, the mold locking ring 4 is installed on the end surface of the mold cavity plate 3, the mold locking ring 4, the mold cavity 1, and the bottom mold 2 are sequentially arranged along the same axis, and the outer side wall of the mold cavity 1 A mold cavity cooling water channel 12 is provided. The mold cavity cooling water channel 12 is a spiral water channel structure clockwise or counterclockwise. The bottom mold 2 is provided with a bottom mold cooling water channel 21. The mold cavity cooling water channel 12 and the bottom mold The cooling water channel 21 communicates with each other. The mold cavity plate 3 is provided with a water inlet channel 31 and a water outlet channel 32. The water inlet channel 31 and the water outlet channel 32 are respectively connected to the mold cavity cooling water channel 12 and the bottom mold cooling water channel 21. The water inlet channel 31, the mold cavity cooling water channel 12, the bottom mold cooling water channel 21, and the water outlet channel 32 are sequentially connected to form a circulating cooling water channel, and a positioning pin 5 is provided between the mold cavity 1 and the mold locking ring 4, and the mold locking A positioning hole 41 is provided on the side of the ring 4, a positioning groove 11 is provided on the top of the mold cavity 1, the top of the mold cavity 1 is sleeved in the mold clamping ring 4, and the positioning pin 5 is inserted into one end in the positioning hole 41 It is clamped on the positioning groove 11. During assembly, only the bottom mold 2 and the mold cavity 1 need to be put into the mold cavity plate 3 in sequence, and the mold clamping ring 4 is fixedly installed on the mold cavity plate 3 by bolts, and the positioning hole 41 is adjusted. The positioning pin 5 can be inserted into the relative position of the positioning groove 11 to fix it, and the installation is convenient and the accuracy is high; when the connection structure of the present invention is processed, only the positioning hole 41 needs to be opened on the side of the mold clamping ring 4 and the mold cavity 1 It is only necessary to set the positioning groove 11 on the outer side of the top, and the processing is simple and fast, which can effectively reduce the processing cost, and the mold clamping ring 4 of this connection structure is more versatile, and positioning through this connection structure can make the mold cavity cooling water channel 12 and The water inlet channel 31 is accurately installed, so that the cooling water flow of the mold cavity 1 flows according to a predetermined circulating cooling water channel, and the cooling performance of the mold cavity 1 is ensured.
作为优选的实施方式,所述锁模环4的中部开设有用于模芯插入的通孔42,所述通孔42包括倒圆台状结构的上通孔421和圆柱状结构的下通孔422,所述模腔1的顶部套接在下通孔422内,所述定位孔41与上通孔421隔断,所述定位孔41与下通孔422连通,所述锁模环4的外周设有用于与模腔1固定安装的安装孔43,所述模腔1上设有与安装孔43相对应的螺纹孔,所述锁模环4与模腔1之间通过螺栓固定连接,所述模腔1的中部开设有用于瓶身成型的瓶身模腔14,所述底模2上开设有用于瓶底成型的瓶底模腔24和用于连接注塑机的注射腔25,所述瓶身模腔14与瓶底模腔24连通,所述注射腔25与瓶底模腔24之间设有注射通道26,所述通孔42、瓶身模腔14、瓶底模腔24、注射通道26、注射腔25 依次连通。As a preferred embodiment, a through hole 42 for inserting the mold core is provided in the middle of the mold clamping ring 4, and the through hole 42 includes an upper through hole 421 with a round platform structure and a lower through hole 422 with a cylindrical structure. The top of the mold cavity 1 is sleeved in the lower through hole 422, the positioning hole 41 is separated from the upper through hole 421, the positioning hole 41 communicates with the lower through hole 422, and the outer periphery of the mold clamping ring 4 is provided with A mounting hole 43 fixedly installed with the mold cavity 1, the mold cavity 1 is provided with a screw hole corresponding to the mounting hole 43, the mold locking ring 4 and the mold cavity 1 are fixedly connected by bolts, and the mold cavity 1 is provided with a body cavity 14 for forming a bottle body in the middle, and a bottom cavity 2 for forming a bottle bottom and an injection cavity 25 for connecting an injection molding machine are formed on the bottom mold 2 The cavity 14 communicates with the bottom mold cavity 24. An injection channel 26 is provided between the injection cavity 25 and the bottom mold cavity 24. The through hole 42, the bottle body cavity 14, the bottom mold cavity 24, and the injection channel 26 The injection chamber 25 is connected in sequence.
在本发明中,所述模腔板3与锁模环4之间的连接端面上设置有上端面密封圈6,所述模腔板3的端面上设有用于安装上端面密封圈6的上端面密封槽33,所述模腔1与底模2之间的连接端面上设置有下端面密封圈8,所述底模2的端面上设有用于安装下端面密封圈8的下端面密封槽22,一般密封圈在长期使用后,由于密封圈材料老化以及磨损,其弹性性能会有所下降,从而影响密封圈的密封性能,本发明中,通过上端面密封圈6和下端面密封圈8分别设置在连接端面上,安装时,通过锁模环4和模腔1的压力作用上端面密封圈6和下端面密封圈8紧压,防止由于密封圈材料老化以及磨损导致密封效果下降,通过锁模环4和模腔1的压力作用可以有效提高模腔冷却水道12的密封效果。In the present invention, an upper end surface sealing ring 6 is provided on the connecting end surface between the cavity plate 3 and the mold clamping ring 4, and an upper surface for installing the upper end surface sealing ring 6 is provided on the end surface of the cavity plate 3 An end face sealing groove 33, a lower end face sealing ring 8 is provided on the connecting end face between the cavity 1 and the bottom die 2, and a lower end face sealing groove for installing the lower end face sealing ring 8 is provided on the end face of the bottom die 2 22. After long-term use of the general seal ring, due to the aging and wear of the seal ring material, its elastic performance will be reduced, thereby affecting the sealing performance of the seal ring. In the present invention, the upper end face seal ring 6 and the lower end face seal ring 8 They are respectively installed on the connecting end faces. During installation, the upper end face sealing ring 6 and the lower end face sealing ring 8 are pressed tightly by the pressure of the clamping ring 4 and the mold cavity 1 to prevent the deterioration of the sealing effect due to the aging and wear of the sealing ring material. The pressure effect of the mold clamping ring 4 and the mold cavity 1 can effectively improve the sealing effect of the mold cavity cooling water channel 12.
在本发明中,所述模腔1与锁模环4之间的连接面上设置有顶部密封圈7,所述顶部密封圈7设置在模腔冷却水道12的上方,所述模腔1的顶部设有用于安装顶部密封圈7的顶部密封槽13,所述顶部密封槽13设置在模腔冷却水道12与定位槽11之间。In the present invention, the connection surface between the mold cavity 1 and the mold clamping ring 4 is provided with a top seal ring 7, the top seal ring 7 is provided above the mold cavity cooling water channel 12, the The top is provided with a top seal groove 13 for installing the top seal ring 7, and the top seal groove 13 is provided between the mold cavity cooling water channel 12 and the positioning groove 11.
在本发明中,所述模腔板3与底模2之间的连接面上设置有底部密封圈9,所述底部密封圈9设置在底模冷却水道21的下方,所述底模2的底部设有用于安装底部密封圈9的底部密封槽23,所述底部密封槽23设置在底模冷却水道21的下方,通过全方面的密封性设置,可以使循环冷却水道的整体密封效果提高,达到整体无渗漏。In the present invention, the connection surface between the cavity plate 3 and the bottom mold 2 is provided with a bottom seal ring 9, the bottom seal ring 9 is provided below the cooling water passage 21 of the bottom mold, the bottom mold 2 The bottom is provided with a bottom sealing groove 23 for installing the bottom sealing ring 9. The bottom sealing groove 23 is provided below the cooling water channel 21 of the bottom mold. Through the overall sealing performance, the overall sealing effect of the circulating cooling water channel can be improved. Achieve overall no leakage.
以上所述仅为本发明的优选实施方式,只要以基本相同手段实现本发明目的的技术方案都属于本发明的保护范围之内。The above is only the preferred embodiment of the present invention, as long as the technical solutions for achieving the object of the present invention by basically the same means fall within the protection scope of the present invention.

Claims (10)

  1. 一种模腔锁模环与模腔的连接结构,其特征在于:包括模腔(1)、底模(2)、模腔板(3)、锁模环(4),所述模腔(1)和底模(2)安装在模腔板(3)内,所述锁模环(4)安装在模腔板(3)的端面上,所述锁模环(4)、模腔(1)、底模(2)依次沿同一轴线设置,所述模腔(1)的外侧壁上设有模腔冷却水道(12),所述模腔冷却水道(12)为顺时针或逆时针的螺旋水道结构,所述底模(2)上设有底模冷却水道(21),所述模腔冷却水道(12)与底模冷却水道(21)连通,所述模腔板(3)上设有进水通道(31)和出水通道(32),所述进水通道(31)、出水通道(32)分别与模腔冷却水道(12)、底模冷却水道(21)连接,所述进水通道(31)、模腔冷却水道(12)、底模冷却水道(21)、出水通道(32)依次连通形成循环冷却水道,所述模腔(1)与锁模环(4)之间设有定位销(5)连接,所述锁模环(4)的侧面设有定位孔(41),所述模腔(1)的顶部设有定位槽(11),所述模腔(1)的顶部套接在锁模环(4)内,所述定位销(5)插入定位孔(41)内一端卡接在定位槽(11)上。A connection structure between a mold cavity locking ring and a mold cavity, characterized in that it includes a mold cavity (1), a bottom mold (2), a mold cavity plate (3), a mold locking ring (4), and the mold cavity ( 1) and the bottom mold (2) are installed in the mold cavity plate (3), the mold clamping ring (4) is installed on the end surface of the mold cavity plate (3), the mold clamping ring (4), the mold cavity ( 1). The bottom molds (2) are sequentially arranged along the same axis, and a mold cavity cooling water channel (12) is provided on the outer side wall of the mold cavity (1), and the mold cavity cooling water channel (12) is clockwise or counterclockwise Spiral water channel structure, the bottom mold (2) is provided with a bottom mold cooling water channel (21), the mold cavity cooling water channel (12) communicates with the bottom mold cooling water channel (21), and the mold cavity plate (3) There are a water inlet channel (31) and a water outlet channel (32), the water inlet channel (31) and the water outlet channel (32) are respectively connected to the mold cavity cooling water channel (12) and the bottom mold cooling water channel (21). The water inlet channel (31), the mold cavity cooling water channel (12), the bottom mold cooling water channel (21), and the water outlet channel (32) are sequentially connected to form a circulating cooling water channel, and the mold cavity (1) and the mold clamping ring (4) There is a positioning pin (5) connected between them, a positioning hole (41) is provided on the side of the mold clamping ring (4), a positioning groove (11) is provided on the top of the mold cavity (1), the mold cavity The top of (1) is sleeved in the mold clamping ring (4), one end of the positioning pin (5) inserted into the positioning hole (41) is snapped on the positioning groove (11).
  2. 根据权利要求1所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述锁模环(4)的中部开设有用于模芯插入的通孔(42),所述通孔(42)包括倒圆台状结构的上通孔(421)和圆柱状结构的下通孔(422),所述模腔(1)的顶部套接在下通孔(422)内,所述定位孔(41)与上通孔(421)隔断,所述定位孔(41)与下通孔(422)连通,所述锁模环(4)的外周设有用于与模腔(1)固定安装的安装孔(43),所述模腔(1)上设有与安装孔(43)相对应的螺纹孔,所述锁模环(4)与模腔(1)之间通过螺栓固定连接。A connection structure of a mold cavity locking ring and a mold cavity according to claim 1, characterized in that a through hole (42) for inserting a mold core is provided in the middle of the mold locking ring (4), The through hole (42) includes an upper through hole (421) with a rounded platform structure and a lower through hole (422) with a cylindrical structure. The top of the mold cavity (1) is sleeved in the lower through hole (422). The positioning hole (41) is separated from the upper through hole (421), the positioning hole (41) communicates with the lower through hole (422), and the outer periphery of the mold clamping ring (4) is provided for fixing with the mold cavity (1) Installed mounting holes (43), the mold cavity (1) is provided with threaded holes corresponding to the mounting holes (43), and the mold clamping ring (4) and the mold cavity (1) are fixedly connected by bolts .
  3. 根据权利要求1所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔板(3)与锁模环(4)之间的连接端面上设置有上端面密封圈(6)。The connection structure of a mold cavity locking ring and a mold cavity according to claim 1, characterized in that an upper end surface is provided on the connecting end surface between the mold cavity plate (3) and the mold locking ring (4) Sealing ring (6).
  4. 根据权利要求1所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔(1)与锁模环(4)之间的连接面上设置有顶部密封圈(7),所述顶部密封圈(7)设置在模腔冷却水道(12)的上方。A connection structure between a mold cavity locking ring and a mold cavity according to claim 1, characterized in that a top sealing ring is provided on the connecting surface between the mold cavity (1) and the mold locking ring (4) (7), the top seal ring (7) is provided above the mold cavity cooling water channel (12).
  5. 根据权利要求1所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔(1)与底模(2)之间的连接端面上设置有下端面密封圈(8)。The connection structure of a mold cavity locking ring and a mold cavity according to claim 1, characterized in that a lower end surface sealing ring is provided on the connecting end surface between the mold cavity (1) and the bottom mold (2) (8).
  6. 根据权利要求1所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔板(3)与底模(2)之间的连接面上设置有底部密封圈(9),所述底部密封圈(9)设置在底模冷却水道(21)的下方。A connection structure of a mold cavity locking ring and a mold cavity according to claim 1, characterized in that a bottom seal ring is provided on the connection surface between the mold cavity plate (3) and the bottom mold (2) (9), the bottom seal ring (9) is provided below the cooling water channel (21) of the bottom mold.
  7. 根据权利要求3所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔板(3)的端面上设有用于安装上端面密封圈(6)的上端面密封槽(33)。A connection structure of a mold cavity locking ring and a mold cavity according to claim 3, characterized in that: the end surface of the cavity plate (3) is provided with an upper end surface for installing an upper end surface seal ring (6) Seal groove (33).
  8. 根据权利要求4所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述模腔(1)的顶部设有用于安装顶部密封圈(7)的顶部密封槽(13),所述顶部密封槽(13)设置在模腔冷却水道(12)与定位槽(11)之间。A connection structure of a mold cavity locking ring and a mold cavity according to claim 4, characterized in that: a top seal groove (13) for installing a top seal ring (7) is provided on the top of the mold cavity (1) ), the top sealing groove (13) is provided between the mold cavity cooling water channel (12) and the positioning groove (11).
  9. 根据权利要求5所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述底模(2)的端面上设有用于安装下端面密封圈(8)的下端面密封槽(22)。The connection structure of a mold cavity locking ring and a mold cavity according to claim 5, characterized in that: the bottom surface of the bottom mold (2) is provided with a lower end surface seal for installing a lower end surface seal ring (8) Groove (22).
  10. 根据权利要求6所述的一种模腔锁模环与模腔的连接结构,其特征在于:所述底模(2)的底部设有用于安装底部密封圈(9)的底部密封槽(23),所述底部密封槽(23)设置在底模冷却水道(21)的下方。A connection structure between a mold cavity locking ring and a mold cavity according to claim 6, characterized in that: a bottom seal groove (23) for installing a bottom seal ring (9) is provided at the bottom of the bottom mold (2) ), the bottom sealing groove (23) is provided below the cooling water channel (21) of the bottom mold.
PCT/CN2019/083558 2018-12-29 2019-04-20 Connecting structure for mold cavity mold locking ring and mold cavity WO2020133828A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112519118A (en) * 2020-11-02 2021-03-19 卫学武 Injection molding mold with built-in circulating water cooling mechanism

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109551742A (en) * 2018-12-29 2019-04-02 广东星联精密机械有限公司 A kind of connection structure of die cavity mode locking ring and die cavity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206765238U (en) * 2016-07-01 2017-12-19 四川华顺原管业有限公司 The firm pressure pipe mold of locked mode
CN207140276U (en) * 2017-01-19 2018-03-27 惠州市艾宝特包装制品有限公司 A kind of injection mould using die cavity cooling water channel structure
CN109551742A (en) * 2018-12-29 2019-04-02 广东星联精密机械有限公司 A kind of connection structure of die cavity mode locking ring and die cavity

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6569370B1 (en) * 2000-05-25 2003-05-27 Husky Injection Molding System Ltd. Injection molding system and method using cavity flange and neck ring insert
CN202540709U (en) * 2012-04-19 2012-11-21 杭州松源机械制造有限公司 Position flange device for bottle blank mold
CN209381364U (en) * 2018-12-29 2019-09-13 广东星联精密机械有限公司 A kind of connection structure of die cavity mode locking ring and die cavity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206765238U (en) * 2016-07-01 2017-12-19 四川华顺原管业有限公司 The firm pressure pipe mold of locked mode
CN207140276U (en) * 2017-01-19 2018-03-27 惠州市艾宝特包装制品有限公司 A kind of injection mould using die cavity cooling water channel structure
CN109551742A (en) * 2018-12-29 2019-04-02 广东星联精密机械有限公司 A kind of connection structure of die cavity mode locking ring and die cavity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112519118A (en) * 2020-11-02 2021-03-19 卫学武 Injection molding mold with built-in circulating water cooling mechanism

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