CN111168942B - Injection mold built-in inclined top linkage slider core pulling mechanism - Google Patents

Injection mold built-in inclined top linkage slider core pulling mechanism Download PDF

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Publication number
CN111168942B
CN111168942B CN202010019610.1A CN202010019610A CN111168942B CN 111168942 B CN111168942 B CN 111168942B CN 202010019610 A CN202010019610 A CN 202010019610A CN 111168942 B CN111168942 B CN 111168942B
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Prior art keywords
insert
plate
mold
horizontal slide
claw
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CN202010019610.1A
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CN111168942A (en
Inventor
黄正军
潘建永
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Zhejiang Zhengli Plastic Mould Co ltd
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Zhejiang Zhengli Plastic Mould Co ltd
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Priority to CN202010019610.1A priority Critical patent/CN111168942B/en
Publication of CN111168942A publication Critical patent/CN111168942A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • 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
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332—Mountings or guides therefor; Drives therefor
    • 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
    • B29C45/4005—Ejector constructions; Ejector operating mechanisms

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

Abstract

The utility model provides an injection mold embeds linkage slider mechanism of loosing core, includes mould fixed die plate and movable mould board, sets up back mold insert on the movable mould board, has fashioned glove box between movable mould board, fixed die plate and the back mold insert, and the rear side of glove box is equipped with the jack catch, makes the draw-in groove on the jack catch, set up the oblique ejector pin that transversely alternates in the back mold insert and set up the horizontal sliding seat in the back wall of back mold insert in the back mold insert, the head end of oblique ejector pin stretches out the back mold insert and sets up the jack catch insert, sets up the draw-in groove core on the jack catch insert, the jack catch insert cooperatees with the jack catch, the both sides of horizontal slide are by two locating pieces horizontal location, set up horizontal spout in the horizontal slide, the tail end of oblique ejector pin sets up the I-shaped piece, I-shaped piece cooperatees with horizontal spout, the fixed die plate under connect stopper and oblique guide pillar, make oblique guide hole in the back mold insert, the stopper contacts with the outer end wall of horizontal slide, oblique guide pillar stretches into in the oblique guide hole.

Description

Built-in oblique ejection linkage sliding block core-pulling mechanism of injection mold
Technical Field
The invention relates to a built-in inclined ejection linkage slide block core-pulling mechanism of an injection mold, and belongs to the field of injection molds.
Background
The plastic products, in particular to various automobile interior trim parts and the like, are produced by adopting an injection mold, for example, an automobile glove box is changed along with the change of various automobile types, the assembly structure of the rotating shaft of the glove box is also changed, besides the rotating pins are arranged at the two ends of the glove box, two groups of clamping jaws are arranged at the rear side of the glove box, each group of clamping jaws is provided with the rotating shaft, after the products are injection molded, each clamping jaw is required to be demolded, but in actual products, clamping grooves of the two clamping jaws of the two groups are not concentric due to the limitation of the assembly position, oblique angles exist, and the clamping jaw close to the inner side of the clamping jaw cannot adopt the traditional core-pulling structure to core-pulling and demolding.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an injection mold built-in oblique ejection linkage slide block core-pulling mechanism which adopts a built-in transverse oblique ejection structure and combines sliding linkage oblique sliding to enable clamping jaws on the inner side to smoothly pull and release cores.
The invention relates to a core pulling mechanism of an injection mold built-in tilt-top linkage slide block, which comprises a mold fixed mold compound plate and a movable mold compound plate, wherein the fixed mold plate is arranged below the fixed mold compound plate, the movable mold compound plate is provided with a runner plate, a runner rack is arranged in the runner plate, a material nozzle is connected to the runner rack, a bottom plate is arranged on the runner plate, mold legs are arranged on the bottom plate, a lower top plate and an upper top plate are arranged between the mold legs, a thimble is connected to the upper top plate, a movable mold plate is arranged on the mold legs, a right insert, a left insert, a rear insert and a clearance between the movable mold plate and the fixed mold plate form a mold cavity, the material nozzle is communicated with the mold cavity, a glove box formed by injection molding is arranged in the mold cavity, the thimble penetrates through the movable mold plate and contacts with the glove box, a claw is arranged at the rear side of the glove box, a clamping jaw is arranged on the clamping jaw, the linkage slide block is characterized in the rear insert, the transverse tilt-top slide block assembly comprises a tilt-top rod transversely inserted in the rear insert and a transverse slide seat arranged in the rear wall of the rear insert, a stop block is arranged in the side of the slide block, the slide block is matched with the clamping jaw and the clamping jaw is arranged in the clamping jaw, and the clamping jaw is matched with the clamping jaw, and the two side guide grooves are arranged in the side of the slide block and the side of the slide block.
The invention discloses a core pulling mechanism of an injection mold with a built-in oblique ejector linkage slide block, which is characterized in that when the core is pulled, a movable template is driven by the power of the injection mold to be separated from a fixed template, in the mold opening process, an oblique guide post drives a rear insert to slide outwards through an oblique guide hole, but when the mold opening is just started, the transverse slide seat is limited due to the fact that a limiting block is blocked at the outer end wall of the transverse slide seat, the rear insert cannot slide outwards together with the transverse slide seat, the transverse slide seat forces the oblique ejector rod to slide transversely in a transverse slide groove under the action of a limiting position force, so that a claw insert and a clamping groove core at the head end of the oblique ejector rod are transversely pulled out from a claw and a clamping groove, at the moment, the transverse slide seat leaves the limiting block, the rear insert continues to slide outwards with the transverse slide seat, the oblique ejector rod, the claw insert and the clamping groove core, and a product (glove box) area is left, and ejection of a product is facilitated. The scheme adopts a transverse oblique ejection linkage core pulling structure, utilizes the power of the opening and closing die, does not need to additionally put power, smoothly realizes the transverse core pulling of the clamping jaw and the clamping groove, and has the advantages of compact structure, reliable action and cost saving.
According to the built-in oblique-ejection linkage slide block core pulling mechanism of the injection mold, the upper part of the outer end wall of the transverse sliding seat is provided with the inclined surface, the lower part of the inner end wall of the limiting block is provided with the inclined wall, and when the injection mold is reset, the inclined surface corresponds to the inclined wall, so that collision accidents are effectively avoided, and the injection mold is beneficial to reset. And when the die is closed, the locking module is inserted into the movable die plate through the rear insert, so that the die is reliably locked, and the die expansion is effectively prevented.
Drawings
FIG. 1 is a schematic view of an injection mold of the present invention;
FIG. 2 is a schematic view of the right, left and rear inserts of the present invention shown on a movable platen;
FIG. 3 is a schematic view of the positional relationship of the rear insert and glove box of the present invention;
fig. 4 is a schematic diagram of a matching state of a transverse oblique top linkage sliding block assembly and a glove box claw;
fig. 5 is a schematic diagram of a lateral tilt-top linkage slide block assembly and a glove box jaw extraction state according to the present invention.
Detailed Description
The invention relates to a built-in oblique ejection linkage slide block core pulling mechanism of an injection mold, which comprises a mold fixed mold compound plate 1 and a movable mold compound plate 2, wherein the fixed mold compound plate is provided with a fixed mold plate 3, the movable mold compound plate is provided with a runner plate 5, a runner frame 6 is arranged in the runner plate, a material nozzle 7 is connected on the runner frame, a bottom plate 8 is arranged on the runner plate, a mold foot 9 is arranged on the bottom plate, a lower top plate 10 and an upper top plate 11 are arranged between the mold feet, a thimble 14 is connected on the upper top plate 11, a movable mold plate 12 is arranged on the mold foot, a right insert 13, a left insert 15 and a rear insert 16 are arranged on the movable mold plate, and the right insert 13, the left insert 15, The gap between the rear insert 16 and the movable mould plate 12 and the fixed mould plate 3 forms a mould cavity, the material nozzle 7 is communicated with the mould cavity, an injection moulding glove box 17 is arranged in the mould cavity, the thimble 14 passes through the movable mould plate and contacts with the glove box 17, a claw 18 is arranged at the rear side of the glove box, a clamping groove 19 is formed in the claw, a transverse oblique-top linkage slide block assembly is arranged in the rear insert 16, the transverse oblique-top linkage slide block assembly comprises an oblique-top rod 20 transversely and obliquely inserted in the rear insert 16 and a transverse slide seat 25 arranged in the rear wall of the rear insert 16, the head end of the oblique-top rod extends out of the rear insert 16 and is provided with a claw insert 21, a clamping groove core 22 is arranged on the claw insert, the claw insert 21 is matched with the claw 18, the clamping groove core 22 is matched with the clamping groove 19, two sides of the transverse slide seat 25 are transversely positioned by two positioning blocks 26, a transverse slide groove 27 is arranged in the transverse slide seat 25, a word block 28 is arranged at the tail end of the oblique-top rod 20, the word block 28 is matched with the transverse slide groove 27, the fixed mould plate 3 is connected with a limiting block 30 and a guide pillar 31, when the rear insert 16 is provided with a guide hole 32, and the oblique-top guide hole 31 is in the guide hole is in contact with the oblique-side wall of the guide hole 32. During core pulling, the movable mold plate 12 is driven by the power of the injection molding machine to open and separate from the fixed mold plate 3, in the process of opening the mold, the inclined guide post 31 drives the rear insert 16 to slide outwards through the inclined guide hole 32, but when the mold opening is just started, the limit block 30 is blocked at the outer end wall of the horizontal sliding seat 25 to limit the horizontal sliding seat 25, the rear insert 16 cannot slide outwards together with the horizontal sliding seat 25, the horizontal sliding seat 25 forces the inclined ejector rod 20 to slide transversely in the horizontal sliding groove 27 under the action of the limit position force, so that the claw insert 21 and the clamping groove core 22 at the head end of the inclined ejector rod 20 are transversely pulled out from the claw 18 and the clamping groove 19, at the moment, the horizontal sliding seat 25 leaves the limit block 30, and the rear insert 16 continues to be driven by the inclined guide post to carry the horizontal sliding seat 25, the inclined ejector rod 20, the jaw insert 21 and the clamping groove core 22 slide outwards and leave the product (glove box) area, so that the product is conveniently ejected. The scheme adopts a transverse oblique ejection linkage core pulling structure, utilizes the power of the opening and closing die, does not need to additionally put power, smoothly realizes the transverse core pulling of the clamping jaw and the clamping groove, and has the advantages of compact structure, reliable action and cost saving. The upper part of the outer end wall of the horizontal sliding seat 25 is provided with an inclined plane 35, the lower part of the inner end wall of the limiting block 30 is provided with an inclined plane 36, and when the horizontal sliding seat is reset, the inclined plane 35 corresponds to the inclined plane 36, so that collision accidents are effectively avoided, and the horizontal sliding seat is beneficial to reset. The lower part of the fixed die plate 3 is connected with a locking module 37, and when the die is closed, the locking module 37 penetrates through the rear insert 16 and is inserted into the movable die plate 12, so that the die locking is reliable, and the die expansion is effectively prevented.

Claims (1)

1.注塑模具内置斜顶联动滑块抽芯机构，包括模具定模复板（1）和动模复板（2），定模复板下安装定模板（3），动模复板上安装流道板（5），流道板中设置流道架（6），流道架上连接料嘴（7），流道板上安装底板（8），底板上安装模脚（9），模脚之间设置下顶板（10）和上顶板（11），模脚上设置动模板（12），动模板上设置右镶块（13）、左镶块（15）和后镶块（16），右镶块（13）、左镶块（15）、后镶块（16）和动模板（12）与定模板（3）之间的间隙构成模腔，料嘴（7）连通模腔，模腔中有注塑成型的手套箱（17），手套箱的后侧设有卡爪（18），卡爪上制有卡槽（19），其特征在于所述的后镶块（16）中设置横向斜顶联动滑块组件，所述的横向斜顶联动滑块组件包括横向斜穿插于后镶块（16）中的斜顶杆（20）和设置在后镶块（16）后壁中的横滑座（25），斜顶杆的头端伸出后镶块（16）并设置卡爪镶块（21），卡爪镶块上设置卡槽芯子（22），卡爪镶块（21）与卡爪（18）相配合，卡槽芯子（22）与卡槽（19）相配合，横滑座（25）的两侧由两块定位块（26）横向定位，横滑座（25）中设置横向滑槽（27），斜顶杆（20）的尾端设置工字块（28），工字块（28）与横向滑槽（27）相配合，所述的定模板（3）下连接限位块（30）和斜导柱（31），后镶块（16）中制有斜导孔（32），合模时，限位块（30）与横滑座（25）的外端壁相接触，斜导柱（31）伸入斜导孔（32）中，所述的横滑座（25）外端壁上部制有斜面（35），限位块（30）的内端壁下部制有斜壁（36），所述的定模板（3）下连接锁模块（37），合模时，锁模块（37）穿过后镶块（16）插入动模板（12）中。1. The injection mold has a built-in inclined top linkage slider core pulling mechanism, including a mold fixed mold plate (1) and a movable mold plate (2), a fixed mold plate (3) is installed under the fixed mold plate, a flow channel plate (5) is installed on the movable mold plate, a flow channel frame (6) is arranged in the flow channel plate, a nozzle (7) is connected to the flow channel frame, a bottom plate (8) is installed on the flow channel plate, a mold foot (9) is installed on the bottom plate, a lower top plate (10) and an upper top plate (11) are arranged between the mold feet, a movable mold plate (12) is arranged on the mold foot, a right insert (13), a left insert (15) and a rear insert (16) are arranged on the movable mold plate, and a right The insert (13), the left insert (15), the rear insert (16) and the gap between the movable mold plate (12) and the fixed mold plate (3) form a mold cavity, the nozzle (7) is connected to the mold cavity, and the mold cavity contains an injection-molded glove box (17), the rear side of the glove box is provided with a clamping claw (18), and the clamping claw is provided with a clamping groove (19), characterized in that a transverse inclined top linkage slider assembly is provided in the rear insert (16), and the transverse inclined top linkage slider assembly includes an inclined top rod (20) transversely and obliquely inserted in the rear insert (16) and a rear wall of the rear insert (16). The head end of the inclined ejector rod extends out of the rear insert block (16) and is provided with a claw insert block (21), a slot core (22) is provided on the claw insert block, the claw insert block (21) cooperates with the claw (18), the slot core (22) cooperates with the slot (19), the two sides of the horizontal slide seat (25) are horizontally positioned by two positioning blocks (26), a horizontal slide groove (27) is provided in the horizontal slide seat (25), an I-shaped block (28) is provided at the tail end of the inclined ejector rod (20), the I-shaped block (28) cooperates with the horizontal slide groove (27), and the fixed template ( 3) A limit block (30) and an inclined guide column (31) are connected at the bottom, and an inclined guide hole (32) is formed in the rear insert (16). When the mold is closed, the limit block (30) contacts the outer end wall of the horizontal slide seat (25), and the inclined guide column (31) extends into the inclined guide hole (32). The upper part of the outer end wall of the horizontal slide seat (25) is formed with an inclined surface (35), and the lower part of the inner end wall of the limit block (30) is formed with an inclined wall (36). The fixed mold plate (3) is connected to a locking module (37) at the bottom. When the mold is closed, the locking module (37) passes through the rear insert (16) and is inserted into the movable mold plate (12).
CN202010019610.1A 2020-01-08 2020-01-08 Injection mold built-in inclined top linkage slider core pulling mechanism Active CN111168942B (en)

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CN111844565B (en) * 2020-06-09 2025-08-19 宁波如强模塑有限公司 Slider structure of headlamp bottom shell mould
CN116141595B (en) * 2022-12-31 2025-12-19 浙江赛豪实业有限公司 Combined demoulding mechanism of injection mould

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CN203567094U (en) * 2013-10-14 2014-04-30 浙江万豪模塑有限公司 Translation oblique-push core-pulling mechanism of injection mold angular pin sliders
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Publication number Priority date Publication date Assignee Title
CN202162974U (en) * 2011-08-12 2012-03-14 广东科龙模具有限公司 Inclined-ejection core pulling mechanism for injection mold
CN203567094U (en) * 2013-10-14 2014-04-30 浙江万豪模塑有限公司 Translation oblique-push core-pulling mechanism of injection mold angular pin sliders
CN204773360U (en) * 2015-06-15 2015-11-18 台州新立模塑科技股份有限公司 Injection mold movable mould into gluey mechanism of inclining
CN209580368U (en) * 2018-12-28 2019-11-05 常州博赢精密模具科技股份有限公司 An injection mold for automotive glove box with slider core-pulling structure
CN212045782U (en) * 2020-01-08 2020-12-01 浙江正立塑模有限公司 Built-in inclined top linkage sliding block core pulling mechanism of injection mold

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