CN113858553A - Multipoint direct-jacking glue feeding mechanism of injection mold - Google Patents
Multipoint direct-jacking glue feeding mechanism of injection mold Download PDFInfo
- Publication number
- CN113858553A CN113858553A CN202111063463.9A CN202111063463A CN113858553A CN 113858553 A CN113858553 A CN 113858553A CN 202111063463 A CN202111063463 A CN 202111063463A CN 113858553 A CN113858553 A CN 113858553A
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- Prior art keywords
- straight
- block
- runner
- product
- injection mold
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000003292 glue Substances 0.000 title claims abstract description 32
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 18
- 239000004033 plastic Substances 0.000 description 18
- 238000001746 injection moulding Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a multipoint direct-ejection glue feeding mechanism of an injection mold, which comprises an upper compound plate, a lower compound plate and a plurality of direct-ejection glue feeding components, wherein a hot runner plate is arranged on the upper compound plate, the direct-ejection glue feeding components comprise a direct ejection block and an inclined ejection block, a sprue runner for feeding glue at the bottom of a product is arranged on the direct ejection block, and the inclined ejection block is arranged on the direct ejection block. The multi-point direct ejection glue feeding mechanism for the injection mold is adopted, so that a better welding line is formed, the attractiveness of a product is improved, the position of the welding line is convenient to control, and the influence on the strength of the product is avoided.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a multipoint direct-jacking glue feeding mechanism of an injection mold.
Background
Because the requirement on the surface of a product is not high, in order to save cost, glue is directly fed from the side surface of the product during injection molding of the product, and then the product is ejected and taken out. However, the disadvantages of this type of structure are: the product surface weld line is unsightly, influences the product pleasing to the eye, still can influence product intensity when the weld line position is improper.
For example, the publication No. CN209851489U of "a plastic frame injection mold and a side glue feeding structure thereof" disclosed in the chinese patent literature includes a core plate, a core and four sliding blocks, wherein the core is fixedly installed in the center of the core plate, the four sliding blocks are slidably installed on the core plate and respectively located around the core, the four sliding blocks and the core are combined to form a cavity, and the sliding blocks are provided with a main branch runner, a plurality of sub-branch runners communicated with the main branch runner, and a plurality of submarine gates correspondingly communicated with the sub-branch runners. The utility model discloses a to glue the frame advance gluey mouthful design in the side, easily produce the weld line on the product surface, influence the product pleasing to the eye.
Disclosure of Invention
In order to overcome the problems that the product surface weld line is not attractive, the position of the weld line is improper, the product strength is easily influenced and the like in the prior art, the invention provides the injection mold multi-point direct ejection glue feeding mechanism, a better weld line is formed, the product attractiveness is improved, the position of the weld line is convenient to control, and the influence on the product strength is avoided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an injection mold multiple spot directly pushes up and advances gluey mechanism, includes doubler and lower doubler, is provided with the hot runner board on last doubler, still includes a plurality of directly pushes up and advances gluey subassembly, directly push up to advance gluey subassembly and include straight kicking block and oblique kicking block, be provided with on straight kicking block and be used for the product bottom to advance gluey runner, oblique kicking block sets up on straight kicking block.
In this technical scheme, the setting of runner makes straight kicking block not only be used for ejecting injection moulding product, it advances gluey still to have realized the product bottom, not only produce better weld line and still avoided advancing gluey at the product periphery, be convenient for hide the weld line, improve the pleasing to the eye degree of product, compare in traditional handicraft in addition advance gluey at the product side, it changes to adjust into gluey position to advance gluey mode in the product bottom, and then the position of weld line on the regulation product, make its setting in the better position of intensity, avoid influencing product strength, the setting of oblique kicking block is convenient for promote the plastics in the runner in order to break away from oblique kicking block in addition.
Preferably, the straight ejector block is provided with an installation notch, the inclined ejector block is arranged on the installation notch in a sliding mode, and the installation notch is communicated with the sprue runner.
The inclined ejection block forms the side wall of the sprue channel through the arrangement, so that the inclined ejection block can eject the plastic in the sprue channel out of the straight ejection block to complete injection molding.
Preferably, the sprue channel is arranged in a groove-like structure and is arranged on a side wall of the straight top block.
The arrangement is easier to ensure that the plastic in the sprue channel is ejected out, and the inconvenience of ejection of an injection product caused by the fact that the sprue channel limits the plastic in the sprue channel is avoided.
Preferably, the sprue channel comprises a channel outlet, and the channel outlet is arranged on the upper end face of the straight ejector block which is always abutted to the bottom of the injection molding product.
The runner outlet is used for circulating the molten plastic, the molten plastic flows out from the runner outlet to form a product and the product is molded, and the upper end face of the straight top block is always attached to the bottom of the injection molding product, so that the product is more stable in demolding.
Preferably, a cavity insert is arranged below the hot runner plate, a hot runner is arranged in the hot runner plate, a surface runner is arranged in the cavity insert, and the surface runner is communicated with the sprue runner of the straight ejection block.
Molten plastic enters the surface runner and enters the glue through the sprue runner of the straight ejection block, so that the straight ejection block and the cavity insert are matched together to enter the glue to form a product, and a better welding line is formed.
Preferably, a sprue bush is provided between the hot runner and the surface flow channel.
The sprue bush is used for communicating the hot runner with the surface runner, and the plastic melting thickness enters the surface runner of the cavity insert block through the sprue.
Preferably, a core is arranged on the lower compound plate, a core insert is arranged in the core, and the straight top block is arranged in the core insert.
Such setting is convenient for guaranteed to advance from the product bottom to glue when being spacing with straight kicking block, still is favorable to controlling to advance to glue the position and then control the position of fusible link.
Preferably, a straight ejector rod for ejecting the straight ejector block and an inclined ejector rod for ejecting the inclined ejector quarts are arranged between the lower compound plate and the mold core, the lower end of the straight ejector rod is fixed with the ejector plate, and the upper end of the straight ejector rod penetrates through the mold core and is fixedly connected with the straight ejector block.
The straight ejector rod and the inclined ejector rod are mainly used for pushing the straight ejector block and the inclined ejector block, so that injection molding of an injection molding product is completed after the injection molding product is separated from the straight ejector block, the injection molding product is ejected through the straight ejector rod and the straight ejector block, and the inclined ejector rod ejects plastic in the sprue runner through the inclined ejector block while the straight ejector rod and the straight ejector block are ejected, so that injection molding is completed.
Therefore, the invention has the following beneficial effects: form better weld line, improve the pleasing to the eye degree of product to be convenient for control weld line's position avoids influencing product strength.
Drawings
FIG. 1 is a schematic structural diagram of a multi-point direct-pushing glue feeding mechanism of an injection mold according to the present invention;
FIG. 2 is a schematic structural view of a straight top block and a slanted top block;
FIG. 3 is a schematic view of a partial structure of a multi-point direct-pushing glue mechanism of an injection mold;
FIG. 4 is a cross-sectional view of a multi-point straight advance glue assembly and product;
FIG. 5 is a schematic view of the construction of a multi-point straight advance glue assembly and product;
in the figure: 1. the injection molding device comprises an upper compound plate 2, a hot runner plate 3, a hot runner 4, a cavity 5, a mold core 6, a cavity insert 7, a mold core insert 8, a sprue bush 9, a straight ejector block 901, a sprue runner 902, a runner outlet 10, a straight ejector rod 11, mold feet 12, a lower compound plate 13, an ejector plate 14, an inclined ejector block 15, an inclined ejector rod 16 and an injection molding product.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example 1:
as shown in fig. 2, 4, and 5 in embodiment 1, an injection mold multipoint direct-ejecting glue mechanism includes an upper compound plate 1, a lower compound plate 12, and a direct-ejecting glue component, where the direct-ejecting glue component includes a straight ejecting block 9 and an inclined ejecting block 14, a sprue channel 901 for realizing bottom molding of a product is provided on the straight ejecting block 9, the sprue channel 901 includes a channel outlet 902 for product glue inlet, the channel outlet 902 is provided on an upper end surface of the straight ejecting block 9, the upper end surface of the straight ejecting block 9 is always closely attached to a ground of an injection product 16, and the channel outlet 902 is provided with one or more channels, which are provided according to actual conditions of the product, where one channel outlet 902 is provided in this application. The straight ejector block 9 is provided with an installation notch for installing the inclined ejector block 14, and the installation notch is communicated with the bottom of the sprue channel 901, so that the upper top surface of the inclined ejector block 14 forms a side wall of the sprue channel 901, the inclined ejector block 14 is convenient to abut against after plastic in the sprue channel 901 is molded, and the inclined ejector block 14 is convenient to eject the plastic in the sprue channel 901 out of the straight ejector block 9.
As shown in fig. 1 and 3, a hot runner plate 2 is connected to the lower portion of an upper compound plate 1, a cavity 4 is connected to the lower portion of the hot runner plate 2, a cavity insert 6 is provided in the cavity 4, a hot runner 3 is provided in the hot runner plate 2, a surface runner is provided in the cavity insert 6, the surface runner is communicated with a sprue runner 901 of a straight top block 9, and a sprue is provided between the hot runner 3 and the surface runner. The mold leg 11 is connected to the lower compound plate 12, the mold leg 11 is arranged in pairs, the mold core 5 is connected to the mold leg 11, an ejector plate 13 is arranged between the mold core 5 and the lower compound plate 12, the ejector plate 13 is arranged between the paired mold legs 11, a straight ejector rod 10 used for ejecting a straight ejector block 9 and an oblique ejector rod 15 used for ejecting an oblique ejector block 14 are arranged on the ejector plate 13, one end of the straight ejector rod 10 is fixed to the ejector plate 13, and the other end of the straight ejector rod penetrates through the mold core 5 and is fixedly connected with the straight ejector block 9.
The straight ejector block 9 is arranged in the core insert 7, so that glue can be fed from the bottom of a product conveniently, and the position of the straight ejector block 9 can be controlled conveniently according to the core insert 7, so that the position of a fuse wire can be controlled conveniently.
Further, to facilitate ejection of the plastic in the runner 901, the runner 901 is provided in a groove-like structure and on a side wall of the straight top block 9.
When the injection mold works, plastic is melted and then enters the hot runner 3, enters the hot runner 3 and then enters the surface runner of the cavity insert 6 through the sprue bush 8, and the surface runner is arranged on the side surface of the runner, so that the melted plastic enters from the side surface of the straight top block 9 and then enters from the bottom of a product. After the product is molded, the straight ejector block 9 ejects the product and simultaneously drives the plastic in the sprue channel 901 to eject, and at this time, the inclined ejector rod 15 below the straight ejector block 9 pushes the inclined ejector block 14, so that the inclined ejector block 14 pushes the plastic in the sprue channel 901 to be ejected out to complete injection molding. In the process, the upper end surface of the straight ejector rod 10 is always attached to the bottom of the plastic part, so that the demolding process of the product is more stable, and better fuse wire is generated.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an injection mold multiple spot directly pushes up and advances gluey mechanism, includes compound board and lower compound board, is provided with the hot runner board on last compound board, and characterized by still includes a plurality of directly push up gluey subassemblies, directly push up gluey subassembly and include straight kicking block and oblique kicking block, be provided with on straight kicking block and be used for the product bottom to advance gluey runner, oblique kicking block sets up on straight kicking block.
2. The multi-point direct pushing glue mechanism of claim 1, wherein the straight top block is provided with an installation notch, the inclined top block is slidably disposed on the installation notch, and the installation notch is communicated with the sprue runner.
3. The multi-point direct pushing glue mechanism of claim 1, wherein said runner duct is configured as a trough-like structure and is disposed on a sidewall of said direct pushing block.
4. The multi-point direct pushing glue mechanism of claim 1, wherein said sprue runner includes a runner outlet, said runner outlet is provided with a straight top block always abutting against the upper end surface of the bottom of the injection product.
5. The multi-point straight-pushing glue mechanism of the injection mold as claimed in any one of claims 1 to 4, wherein a cavity block is arranged below the hot runner plate, a hot runner is arranged in the hot runner plate, a surface runner is arranged in the cavity block, and the surface runner is communicated with an upper sprue runner of the straight-pushing block.
6. The multi-point direct-pushing glue mechanism of an injection mold as claimed in claim 5, wherein a sprue bush is arranged between the hot runner and the surface runner.
7. The multi-point straight ejection glue mechanism of an injection mold according to any one of claims 1 to 4, wherein a core is arranged on the lower compound plate, a core insert is arranged in the core, and the straight ejection block is arranged in the core insert.
8. The multi-point straight ejection glue feeding mechanism of the injection mold as claimed in claim 7, wherein a straight ejector rod for ejecting the straight ejector block and an inclined ejector rod for ejecting the inclined ejector quarts are arranged between the lower compound plate and the mold core, the lower end of the straight ejector rod is fixed with the ejector plate, and the upper end of the straight ejector rod penetrates through the mold core and is fixedly connected with the straight ejector block.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063463.9A CN113858553A (en) | 2021-09-10 | 2021-09-10 | Multipoint direct-jacking glue feeding mechanism of injection mold |
| PCT/CN2021/133147 WO2023035418A1 (en) | 2021-09-10 | 2021-11-25 | Multi-point ejection glue-feeding mechanism of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111063463.9A CN113858553A (en) | 2021-09-10 | 2021-09-10 | Multipoint direct-jacking glue feeding mechanism of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113858553A true CN113858553A (en) | 2021-12-31 |
Family
ID=78995416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111063463.9A Pending CN113858553A (en) | 2021-09-10 | 2021-09-10 | Multipoint direct-jacking glue feeding mechanism of injection mold |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113858553A (en) |
| WO (1) | WO2023035418A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206217083U (en) * | 2016-10-31 | 2017-06-06 | 台州市黄岩坤泰模具有限公司 | Injection mold submarine oblique top enters gluing mechanism |
| CN210026123U (en) * | 2019-05-14 | 2020-02-07 | 上汽通用五菱汽车股份有限公司 | Novel injection mold advances gluey mechanism |
| CN212372604U (en) * | 2020-05-25 | 2021-01-19 | 骏艺精密模具（苏州）有限公司 | Straight-top multipoint glue feeding structure of injection mold |
| CN214056297U (en) * | 2020-11-26 | 2021-08-27 | 中山市恒滨实业有限公司 | Straight ejection advances to glue supplementary drawing of patterns mould structure of pushing up to one side |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3679119A (en) * | 1970-06-01 | 1972-07-25 | Keith Philip Copping | Injection moulded plastic cup-like article |
| CN203650855U (en) * | 2013-10-14 | 2014-06-18 | 浙江万豪模塑有限公司 | Multi-point glue inlet mechanism for injection mold ejector block |
| AT518335B1 (en) * | 2016-03-02 | 2018-03-15 | Wittmann Kunststoffgeraete | Method for testing an injection-molded container made of printing foils |
-
2021
- 2021-09-10 CN CN202111063463.9A patent/CN113858553A/en active Pending
- 2021-11-25 WO PCT/CN2021/133147 patent/WO2023035418A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206217083U (en) * | 2016-10-31 | 2017-06-06 | 台州市黄岩坤泰模具有限公司 | Injection mold submarine oblique top enters gluing mechanism |
| CN210026123U (en) * | 2019-05-14 | 2020-02-07 | 上汽通用五菱汽车股份有限公司 | Novel injection mold advances gluey mechanism |
| CN212372604U (en) * | 2020-05-25 | 2021-01-19 | 骏艺精密模具（苏州）有限公司 | Straight-top multipoint glue feeding structure of injection mold |
| CN214056297U (en) * | 2020-11-26 | 2021-08-27 | 中山市恒滨实业有限公司 | Straight ejection advances to glue supplementary drawing of patterns mould structure of pushing up to one side |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023035418A1 (en) | 2023-03-16 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211231 |