WO2021223417A1 - 一种避免硬胶料头弹飞的顶出结构 - Google Patents

一种避免硬胶料头弹飞的顶出结构 Download PDF

Info

Publication number
WO2021223417A1
WO2021223417A1 PCT/CN2020/131544 CN2020131544W WO2021223417A1 WO 2021223417 A1 WO2021223417 A1 WO 2021223417A1 CN 2020131544 W CN2020131544 W CN 2020131544W WO 2021223417 A1 WO2021223417 A1 WO 2021223417A1
Authority
WO
WIPO (PCT)
Prior art keywords
ejector
hole
mold core
hard rubber
thimble
Prior art date
Application number
PCT/CN2020/131544
Other languages
English (en)
French (fr)
Inventor
邓联坤
Original Assignee
苏州汉扬精密电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州汉扬精密电子有限公司 filed Critical 苏州汉扬精密电子有限公司
Publication of WO2021223417A1 publication Critical patent/WO2021223417A1/zh

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1759—Removing sprues from sprue-channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/38—Cutting-off equipment for sprues or ingates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles

Definitions

  • the invention relates to an ejection structure for a material head, in particular to an ejection structure that prevents a hard rubber material head from flying.
  • a product 6 is formed by using hard glue through a plastic mold, and the glue is injected through the horn gate 101, and the hard glue inlet point is close to the outside of the molding cavity.
  • the sprue 7 After the hard glue has solidified, it will remain in the horn gate 101 to form the sprue 7.
  • the sprue 7 When the sprue 7 is ejected, the sprue 7 will be pulled out of the horn sprue 101, and the sprue 7 is pulled out of the horn sprue 101.
  • the material head 7 will be deformed, causing the material head 7 to bounce off. In mass production, the ejection of the material head 7 is not conducive to the recycling of the material head 7.
  • the technical problem to be solved by the present invention is to solve the problem that the material head will be bounced off when the material head is ejected.
  • the present invention provides an ejection structure that prevents the hard rubber head from flying to solve the above-mentioned problems.
  • an ejection structure that prevents the hard rubber tip from flying including:
  • the mold core, the template and the ejector plate, the top surface of the mold core is provided with a horn gate, the horn gate includes a straight part and an arc part, one end of the arc part communicates with one end of the straight part ;
  • An ejector the ejector slidably penetrates the mold core in a direction perpendicular to the mold core;
  • the straight portion passes through the position of the ejector; the top surface of the ejector corresponding to the position of the straight portion is recessed with a first groove;
  • the bottom surface of the first groove also has a columnar cavity; the length of the columnar cavity is perpendicular to the mold core;
  • a thimble the thimble is inserted through the template, the upper end of the thimble is connected with the ejector in and out, and the lower end of the thimble is fixedly connected with the ejection plate.
  • a first through hole is opened on the ejector, the upper end of the first through hole penetrates the bottom surface of the first groove, and the lower end of the first through hole penetrates the ejector.
  • the upper end of the thimble extends into the first through hole and fits tightly with the first through hole;
  • the upper end of the thimble is located between the upper end and the lower end of the first through hole, and the inner wall of the first through hole and the upper end of the thimble enclose the columnar cavity.
  • the upper end of the thimble gradually shrinks to form a protruding part with a small top and a large bottom.
  • the top surface of the mold core is also provided with a runner; the runner passes through the position of the ejector inlet and outlet, and the top surface of the ejector inlet and outlet corresponding to the position of the runner is recessed with a second recess groove;
  • the first groove crosses the second groove, and the upper end of the first through hole penetrates the intersection of the first groove and the second groove.
  • the top surface of the template is recessed with a recess, and the mold core is located in the recess;
  • a boss is also raised on the side wall of the ejector; the boss is arranged close to the bottom of the ejector;
  • the bottom surface of the recessed portion is provided with a blind hole suitable for accommodating the ejector and the boss to slide in a direction perpendicular to the mold core, and a part of the ejector and the boss are located in the Inside the blind hole.
  • a gap is left between the inner wall of the blind hole and the ejector and the boss.
  • the ejector and ejector is in the shape of a regular quadrangular prism
  • the mold core is provided with a second through hole, and the length direction of the second through hole is perpendicular to the mold core; the second through hole is a square hole that matches the shape of the ejector; The ejector insert is tightly fitted and slidably inserted into the second through hole;
  • a chamfer is provided on the side edge of the ejector.
  • the beneficial effect of the present invention is that the ejection structure that prevents the hard rubber head from flying is provided with a columnar cavity on the ejector, which acts as a limit for the head, and when the hard rubber head is ejected Can prevent the material head from flying.
  • Fig. 1 is a schematic diagram of glue feeding through a horn gate in the prior art.
  • Fig. 2 is a schematic structural diagram of an ejection structure of the present invention for preventing hard rubber heads from flying.
  • Fig. 3 is a partial enlarged view of Fig. 2.
  • Fig. 4 is a cross-sectional view of an ejection structure of the present invention for preventing the hard rubber head from flying.
  • Fig. 5 is a schematic structural view of an ejector in and out of an ejector structure for preventing the hard rubber head from flying off according to the present invention.
  • Fig. 6 is a diagram of the use state of an ejection structure of the present invention to prevent the hard rubber head from flying.
  • Fig. 7 is a partial enlarged view of Fig. 6.
  • Figure 2 shows a schematic structural diagram of an ejection structure of the present invention to prevent hard rubber heads from flying
  • Figure 3 shows a partial enlarged view of Figure 2
  • Figure 4 shows A cross-sectional view of the ejection structure of the present invention to avoid the ejection of hard rubber heads
  • Figure 5 shows a schematic structural diagram of the ejector ins and outs of the ejection structure of the present invention to avoid the ejection of hard rubber heads.
  • FIG. 7 shows a partial enlarged view of FIG. 6.
  • the present invention provides an ejection structure that prevents the hard rubber head 7 from flying, including:
  • the top surface of the mold core 1 is provided with a horn gate 101.
  • the horn gate 101 includes a straight part 1011 and an arc part 1012.
  • the arc part One end of 1012 is connected to one end of the straight portion 1011, and the other section of the arc-shaped portion 1012 is connected to the cavity.
  • the ejector insert 4 is slidably inserted through the mold core 1 in a direction perpendicular to the mold core 1.
  • the linear portion 1011 passes through the position of the ejector 4, and the top surface of the ejector 4 corresponding to the position of the linear portion 1011 is recessed with a first groove 401.
  • the straight portion 1011 and the first groove 401 together form a first flow channel suitable for the flow of molten hard glue.
  • the bottom surface of the first groove 401 also has a cylindrical cavity 402, and the length direction of the cylindrical cavity 402 is perpendicular to the mold core 1.
  • the thimble 5 please refer to Figs. 4 and 6, the thimble 5 is inserted through the template 2, the upper end of the thimble 5 is connected with the ejector insert 4, and the lower end of the thimble 5 is fixedly connected with the ejector plate 3.
  • a first through hole 403 is formed on the ejector member 4, and the length direction of the first through hole 403 is perpendicular to the mold core 1.
  • the upper end of the first through hole 403 penetrates the bottom surface of the first groove 401, and the lower end of the first through hole 403 penetrates the bottom surface of the jack 4.
  • the upper end of the thimble 5 extends into the first through hole 403 and is tightly matched with the first through hole 403.
  • the upper end of the thimble 5 is located between the upper end and the lower end of the first through hole 403, and the inner wall of the first through hole 403 and the upper end of the thimble 5 enclose a cylindrical cavity 402.
  • the ejector pin of the molding machine moves toward the template 2 against the ejector plate 3, the ejector pin 5 drives the ejector pin 5, and the ejector pin 5 drives the ejector insert 4 to eject the material head 7.
  • the material head 7 will deform and have a tendency to bounce off.
  • the cylindrical cavity 402 faces the material The limited position has the effect of preventing the material head 7 from flying.
  • the upper end of the thimble 5 gradually shrinks to form a protruding portion 501 with a small upper and a larger lower end.
  • the extension 501 extends into the material head 7, increasing the contact area with the material head 7 and enhancing the limit of the material head 7 The effect is that the effect of preventing the material head 7 from flying is better.
  • the top surface of the mold core 1 is also provided with a runner 102.
  • the runner 102 passes through the position of the top inlet 4, and the top surface of the top runner 4 corresponding to the position of the runner 102 is recessed with a second groove 404.
  • the first groove 401 crosses the second groove 404, and the upper end of the first through hole 403 penetrates the intersection of the first groove 401 and the second groove 404.
  • the branch runner 102 and the second groove 404 together form a second runner suitable for the flow of molten hard glue.
  • the hard glue in the molten state flows into the second runner first and then into the first runner after flowing into the main runner.
  • the top surface of the template 2 is recessed with a recess 201, and the mold core 1 is located in the recess 201.
  • a boss 405 is also raised on the side wall of the ejector 4.
  • the boss 405 is arranged close to the bottom of the jack 4.
  • the bottom surface of the recess 201 is provided with a blind hole 2011 suitable for accommodating the ejector 4 and the boss 405 to slide in a direction perpendicular to the mold core 1, and a part of the ejector 4 and the boss 405 are located in the blind hole 2011.
  • FIG. 7 there is a gap between the inner wall of the blind hole 2011 and the top inlet 4 and the boss 405 to avoid friction between the top inlet 4 or the boss 405 and the inner wall of the blind hole 2011. Conducive to the movement of pushing in and out of the child 4.
  • the mold core 1 is provided with a second through hole 103, and the length direction of the second through hole 103 is perpendicular to the mold core 1.
  • the second through hole 103 is a square hole matching the shape of the ejector 4.
  • the ejector 4 is slidably inserted into the second through hole 103 with a tight fit.
  • a chamfer 406 is provided on the side edge of the jack 4.
  • the chamfer 406 of the ejector 4 and the inner wall of the second through hole 103 form a clearance, which reduces the friction between the ejector 4 and the second through hole 103, which is beneficial to the ejector 4 in the second through hole. Movement in 103. It should be noted that the clearance between the ejector inlet 4 and the second through hole 103 should avoid the first flow channel and the second flow channel.

Landscapes

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

Abstract

一种避免硬胶料头（7）弹飞的顶出结构，包括：模仁（1）、模板（2）和顶出板（3），所述模仁（1）的顶面设有牛角浇口（101），所述牛角浇口（101）包括直线部分（1011）和弧形部分（1012）；顶出入子（4），所述顶出入子（4）沿垂直于所述模仁（1）的方向可滑动地穿设于所述模仁（1）；所述直线部分（1011）经过所述顶出入子（4）的位置；所述顶出入子（4）的顶面对应所述直线部分（1011）的位置凹陷有第一凹槽（401）；所述第一凹槽（401）的底面还具有柱状容腔（402）；顶针（5），所述顶针（5）穿设于所述模板（2），所述顶针（5）的上端与所述顶出入子（4）连接，所述顶针（5）的下端与所述顶出板（3）固定连接。上述避免硬胶料头弹飞的顶出结构在顶出入子上设有柱状容腔，对料头起到限位的作用，在顶出硬胶料头的时候能够阻止料头弹飞。

Description

一种避免硬胶料头弹飞的顶出结构 【技术领域】
本发明涉及一种料头顶出结构，尤其是一种避免硬胶料头弹飞的顶出结构。
【背景技术】
请参阅图1，在生产中使用硬胶通过塑胶模具成型一种产品6，并通过牛角浇口101进胶，硬胶进点靠近成型腔的外侧。
在硬胶凝固后留在牛角浇口101中形成料头7，在顶出料头7的时候，料头7会被扯出牛角浇口101，在料头7被扯出牛角浇口101的过程中，料头7会发生形变而导致料头7弹飞。在量产的时候，料头7弹飞不利于料头7的回收。
因此，有必要对现有的技术进行改进。
【发明内容】
本发明要解决的技术问题是：为了解决在顶出料头时料头会被弹飞的问题。本发明提供了一种避免硬胶料头弹飞的顶出结构来解决上述问题。
本发明解决其技术问题的方案是：一种避免硬胶料头弹飞的顶出结构，包括：
模仁、模板和顶出板，所述模仁的顶面设有牛角浇口，所述牛角浇口包括直线部分和弧形部分，所述弧形部分的一端与所述直线部分的一端连通；
顶出入子，所述顶出入子沿垂直于所述模仁的方向可滑动地穿设于所述模仁；
所述直线部分经过所述顶出入子的位置；所述顶出入子的顶面对应所述直线部分的位置凹陷有第一凹槽；
所述第一凹槽的底面还具有柱状容腔；所述柱状容腔的长度方向垂直于所述模仁；
顶针，所述顶针穿设于所述模板，所述顶针的上端与所述顶出入子连接，所述顶针的下端与所述顶出板固定连接。
作为优选，所述顶出入子上开设有第一通孔，所述第一通孔的上端穿透所述第一凹槽的底面，所述第一通孔的下端穿透所述顶出入子的底面；
所述顶针的上端伸入所述第一通孔中并与所述第一通孔紧配；
所述顶针的上端位于所述第一通孔的上端与下端之间，所述第一通孔的内壁与所述顶针的上端围成所述柱状容腔。
作为优选，所述顶针的上端逐渐收缩形成上小下大的伸出部。
作为优选，所述模仁的顶面还设有分流道；所述分流道经过所述顶出入子的位置，所述顶出入子的顶面对应所述分流道的位置凹陷有第二凹槽；
所述第一凹槽与所述第二凹槽交叉，所述第一通孔的上端穿透所述第一凹 槽与所述第二凹槽的交叉处。
作为优选，所述模板的顶面凹陷有凹陷部，所述模仁位于所述凹陷部中；
所述顶出入子的侧壁上还凸起有凸台；所述凸台靠近所述顶出入子的底部设置；
所述凹陷部的底面开设有适于容纳所述顶出入子和所述凸台沿垂直于所述模仁的方向滑动的盲孔，所述顶出入子的一部分和所述凸台位于所述盲孔内。
作为优选，所述盲孔的内壁与所述顶出入子和所述凸台之间留有间隙。
作为优选，所述顶出入子呈正四棱柱状；
所述模仁开设有第二通孔，所述第二通孔的长度方向垂直于所述模仁；所述第二通孔为与所述顶出入子的形状相匹配的方形孔；所述顶出入子紧配合可滑动地插设于所述第二通孔；
所述顶出入子的侧棱上设有倒角。
本发明的有益效果是，这种避免硬胶料头弹飞的顶出结构在顶出入子上设有柱状容腔，对料头起到限位的作用，在顶出硬胶料头的时候能够阻止料头弹飞。
【附图说明】
图1是现有技术中通过牛角浇口进胶的示意图。
图2是本发明一种避免硬胶料头弹飞的顶出结构的结构示意图。
图3是图2的局部放大图。
图4是本发明一种避免硬胶料头弹飞的顶出结构的剖视图。
图5是本发明一种避免硬胶料头弹飞的顶出结构的顶出入子的结构示意图。
图6是本发明一种避免硬胶料头弹飞的顶出结构的使用状态图。
图7是图6的局部放大图。
【具体实施方式】
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的一较佳实施例及其附图进行详细描述。
请参阅图2～图7，其中图2绘示了本发明一种避免硬胶料头弹飞的顶出结构的结构示意图，图3绘示了图2的局部放大图，图4绘示了本发明一种避免硬胶料头弹飞的顶出结构的剖视图，图5绘示了本发明一种避免硬胶料头弹飞的顶出结构的顶出入子的结构示意图，图6绘示了本发明一种避免硬胶料头弹飞的顶出结构的使用状态图，图7绘示了图6的局部放大图。
本发明提供了一种避免硬胶料头7弹飞的顶出结构，包括：
模仁1、模板2和顶出板3，请参阅图3和图4，模仁1的顶面设有牛角浇口101，牛角浇口101包括直线部分1011和弧形部分1012，弧形部分1012的一端与直线部分1011的一端连通，弧形部分1012的另一段连通至型腔。
顶出入子4，顶出入子4沿垂直于模仁1的方向可滑动地穿设于模仁1。
直线部分1011经过顶出入子4的位置，顶出入子4的顶面对应直线部分1011的位置凹陷有第一凹槽401。当顶出入子4的顶面与模仁1的顶面平齐的时候，直线部分1011和第一凹槽401共同形成适于熔融的硬胶流动的第一流道。
第一凹槽401的底面还具有柱状容腔402，柱状容腔402的长度方向垂直于模仁1。
顶针5，请参阅图4和图6，顶针5穿设于模板2，顶针5的上端与顶出入子4连接，顶针5的下端与顶出板3固定连接。
于此实施例中，请参阅图4和图5，顶出入子4上开设有第一通孔403，第一通孔403的长度方向垂直于模仁1。第一通孔403的上端穿透第一凹槽401的底面，第一通孔403的下端穿透顶出入子4的底面。
顶针5的上端伸入第一通孔403中并与第一通孔403紧配。顶针5的上端位于第一通孔403的上端与下端之间，第一通孔403的内壁与顶针5的上端围成柱状容腔402。
这种避免硬胶料头7弹飞的顶出结构的工作过程如下：
请参阅图6和图7，当塑胶模具合模的时候，顶出入子4的顶面与模仁1的顶面平齐，熔融状态的硬胶被注入第一流道(第一流道由直线部分1011和第一凹槽401共同形成)中，硬胶会经过弧形部分1012流入型腔中，在这个过程中，硬胶也会流入并填充于柱状容腔402中。当产品6在型腔中凝固成型后，硬胶也在牛角浇口101和柱状容腔402中凝固形成料头7。
当塑胶模具开模后，成型机的顶杆顶着顶出板3向靠近模板2的方向移动，顶板带动顶针5，顶针5带动顶出入子4将料头7顶出。在料头7被扯出牛角浇口101的过程中，料头7会发生形变而有弹飞的趋势，但由于料头7有一部分位于柱状容腔402中，柱状容腔402对料头7有限位作用，起到阻止料头7弹飞的效果。当料头7被顶出入子4顶出后，通过机械手取走料头7。
于此实施例中，请参阅图4，顶针5的上端逐渐收缩形成上小下大的伸出部501。当硬胶在牛角浇口101和柱状容腔402中凝固形成料头7后，伸出部501伸入料头7中，增大与料头7的接触面积，增强对料头7的限位效果，使得阻止料头7弹飞的效果更好。
于此实施例中，请参阅图3，模仁1的顶面还设有分流道102。分流道102经过顶出入子4的位置，顶出入子4的顶面对应分流道102的位置凹陷有第二凹槽404。第一凹槽401与第二凹槽404交叉，第一通孔403的上端穿透第一凹槽401与第二凹槽404的交叉处。
当顶出入子4的顶面与模仁1的顶面平齐的时候，分流道102和第二凹槽404共同形成适于熔融的硬胶流动的第二流道。熔融状态的硬胶自主流道先流入第二流道后再流入第一流道。
于此实施例中，请参阅图6和图7，模板2的顶面凹陷有凹陷部201，模仁1位于凹陷部201中。顶出入子4的侧壁上还凸起有凸台405。凸台405靠近顶出入子4的底部设置。凹陷部201的底面开设有适于容纳顶出入子4和凸台405沿垂直于模仁1的方向滑动的盲孔2011，顶出入子4的一部分和凸台405位于盲孔2011内。
成型机的顶杆顶着顶出板3向靠近模板2的方向移动的过程中，当凸台405抵顶于模仁1的底面的时，顶出入子4的运动被限制无法继续顶出，因此凸台405的设置限制了顶出入子4顶出的行程。
于此实施例中，请参阅图7，盲孔2011的内壁与顶出入子4和凸台405之间留有间隙，避免了顶出入子4或者凸台405与盲孔2011的内壁摩擦，有利于顶出入子4的运动。
于此实施例中，请参阅图3、图4和图5，顶出入子4呈正四棱柱状。模仁1开设有第二通孔103，第二通孔103的长度方向垂直于模仁1。第二通孔103为与顶出入子4的形状相匹配的方形孔。顶出入子4紧配合可滑动地插设于第二通孔103。顶出入子4的侧棱上设有倒角406。
顶出入子4的倒角406处与第二通孔103的内壁形成避空，降低了顶出入子4与第二通孔103之间的摩擦力，有利于顶出入子4在第二通孔103中的运动。需要说明的是，顶出入子4与第二通孔103的避空处应避开第一流道和第二流道。
需指出的是，本发明不限于上述实施方式，任何熟悉本专业的技术人员基于本发明技术方案对上述实施例所作的任何简单修改、等同变化与修饰，都落入本发明的保护范围内。

Claims (7)

  1. 一种避免硬胶料头弹飞的顶出结构，包括模仁、模板和顶出板，所述模仁的顶面设有牛角浇口，所述牛角浇口包括直线部分和弧形部分，所述弧形部分的一端与所述直线部分的一端连通，其特征在于，还包括：
    顶出入子，所述顶出入子沿垂直于所述模仁的方向可滑动地穿设于所述模仁；
    所述直线部分经过所述顶出入子的位置；所述顶出入子的顶面对应所述直线部分的位置凹陷有第一凹槽；
    所述第一凹槽的底面还具有柱状容腔；所述柱状容腔的长度方向垂直于所述模仁；
    顶针，所述顶针穿设于所述模板，所述顶针的上端与所述顶出入子连接，所述顶针的下端与所述顶出板固定连接。
  2. 如权利要求1所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述顶出入子上开设有第一通孔，所述第一通孔的上端穿透所述第一凹槽的底面，所述第一通孔的下端穿透所述顶出入子的底面；
    所述顶针的上端伸入所述第一通孔中并与所述第一通孔紧配；
    所述顶针的上端位于所述第一通孔的上端与下端之间，所述第一通孔的内壁与所述顶针的上端围成所述柱状容腔。
  3. 如权利要求2所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述顶针的上端逐渐收缩形成上小下大的伸出部。
  4. 如权利要求3所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述模仁的顶面还设有分流道；所述分流道经过所述顶出入子的位置，所述顶出入子的顶面对应所述分流道的位置凹陷有第二凹槽；
    所述第一凹槽与所述第二凹槽交叉，所述第一通孔的上端穿透所述第一凹槽与所述第二凹槽的交叉处。
  5. 如权利要求4所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述模板的顶面凹陷有凹陷部，所述模仁位于所述凹陷部中；
    所述顶出入子的侧壁上还凸起有凸台；所述凸台靠近所述顶出入子的底部设置；
    所述凹陷部的底面开设有适于容纳所述顶出入子和所述凸台沿垂直于所述模仁的方向滑动的盲孔，所述顶出入子的一部分和所述凸台位于所述盲孔内。
  6. 如权利要求5所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述盲孔的内壁与所述顶出入子和所述凸台之间留有间隙。
  7. 如权利要求6所述的一种避免硬胶料头弹飞的顶出结构，其特征在于：
    所述顶出入子呈正四棱柱状；
    所述模仁开设有第二通孔，所述第二通孔的长度方向垂直于所述模仁；所述第二通孔为与所述顶出入子的形状相匹配的方形孔；所述顶出入子紧配合可滑动地插设于所述第二通孔；
    所述顶出入子的侧棱上设有倒角。
PCT/CN2020/131544 2020-05-04 2020-11-25 一种避免硬胶料头弹飞的顶出结构 WO2021223417A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010371493.5A CN113601790A (zh) 2020-05-04 2020-05-04 一种避免硬胶料头弹飞的顶出结构
CN202010371493.5 2020-05-04

Publications (1)

Publication Number Publication Date
WO2021223417A1 true WO2021223417A1 (zh) 2021-11-11

Family

ID=78303117

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/131544 WO2021223417A1 (zh) 2020-05-04 2020-11-25 一种避免硬胶料头弹飞的顶出结构

Country Status (2)

Country Link
CN (1) CN113601790A (zh)
WO (1) WO2021223417A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114506020B (zh) * 2022-04-15 2022-06-28 扬昕科技(苏州)有限公司 胶框的射出成型模具及其脱模方式

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03222708A (ja) * 1990-01-30 1991-10-01 Hitachi Lighting Ltd 射出成形用金型のアンダーカット処理構造
CN2848539Y (zh) * 2005-08-19 2006-12-20 佛山市顺德区汉达精密电子科技有限公司 具有潜伏顶针和香蕉状浇口的注塑模具
KR20120101929A (ko) * 2011-03-07 2012-09-17 주식회사 로보이엔지 사출 성형용 금형 장치 및 이를 이용한 사출 성형 방법
CN202781639U (zh) * 2012-09-13 2013-03-13 汉达精密电子(昆山)有限公司 入子结构
CN202805568U (zh) * 2012-08-28 2013-03-20 中国华录·松下电子信息有限公司 防短流道弹飞顶杆结构
CN207014693U (zh) * 2017-07-13 2018-02-16 三威实业（珠海）有限公司 一种牛角浇口顶出模具
CN208290398U (zh) * 2018-05-24 2018-12-28 欣旺达惠州新能源有限公司 牛角浇口顶出机构
CN210026125U (zh) * 2019-06-03 2020-02-07 苏州市建邦精密模具有限公司 一种防止断开残留和出模弹飞的牛角浇口
CN210501233U (zh) * 2019-07-30 2020-05-12 四川科思精密模具有限公司 一种防止顶飞流道的模具结构

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03222708A (ja) * 1990-01-30 1991-10-01 Hitachi Lighting Ltd 射出成形用金型のアンダーカット処理構造
CN2848539Y (zh) * 2005-08-19 2006-12-20 佛山市顺德区汉达精密电子科技有限公司 具有潜伏顶针和香蕉状浇口的注塑模具
KR20120101929A (ko) * 2011-03-07 2012-09-17 주식회사 로보이엔지 사출 성형용 금형 장치 및 이를 이용한 사출 성형 방법
CN202805568U (zh) * 2012-08-28 2013-03-20 中国华录·松下电子信息有限公司 防短流道弹飞顶杆结构
CN202781639U (zh) * 2012-09-13 2013-03-13 汉达精密电子(昆山)有限公司 入子结构
CN207014693U (zh) * 2017-07-13 2018-02-16 三威实业（珠海）有限公司 一种牛角浇口顶出模具
CN208290398U (zh) * 2018-05-24 2018-12-28 欣旺达惠州新能源有限公司 牛角浇口顶出机构
CN210026125U (zh) * 2019-06-03 2020-02-07 苏州市建邦精密模具有限公司 一种防止断开残留和出模弹飞的牛角浇口
CN210501233U (zh) * 2019-07-30 2020-05-12 四川科思精密模具有限公司 一种防止顶飞流道的模具结构

Also Published As

Publication number Publication date
CN113601790A (zh) 2021-11-05

Similar Documents

Publication Publication Date Title
WO2021223417A1 (zh) 一种避免硬胶料头弹飞的顶出结构
CN210679492U (zh) 注塑模具滑块底部进胶机构
CN209937577U (zh) 一种自动脱料头三板模具
CN213321397U (zh) 一种延时顶出注塑模具
CN107303716B (zh) 滑块内进胶结构
CN108724629A (zh) 一种内外带行位注塑模具
CN210940253U (zh) 一种三头外螺旋注塑件的模具结构
CN209832483U (zh) 模内切浇口模具
CN113977878A (zh) 一种模内裁切注塑模具及其使用方法
CN217752549U (zh) 一种塑料管件内壁进胶结构
CN207901579U (zh) 一种用于硒鼓配件成型的模具
CN212288405U (zh) 一种无痕顶出模具
CN220280370U (zh) 一种注塑模具进胶结构
CN206357578U (zh) 一种复印机的油墨筒注塑模具结构
CN211591156U (zh) 水口顶出结构
CN215703527U (zh) 前模镶件先行弹出的模具结构
CN204773403U (zh) 三板式注塑模具流道自动脱落装置
CN210026108U (zh) 注塑结构及成型机
CN218286530U (zh) 一种外置式顶出脱模机构
CN211763179U (zh) 牛角进胶结构
CN219947107U (zh) 一种行位进胶模具结构
CN211868508U (zh) 一种水口设于产品开口边缘的新型注塑模具
CN219466887U (zh) 产品自旋顶出模具
CN210820608U (zh) 一种带二次顶出机构模具
CN108748897A (zh) 一种前模弹滑脱模注塑模具

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20934442

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20934442

Country of ref document: EP

Kind code of ref document: A1