CN102229227B - Multilayer runner spreader plate with insert, hot runner system and insert manufacture method - Google Patents
Multilayer runner spreader plate with insert, hot runner system and insert manufacture method Download PDFInfo
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- CN102229227B CN102229227B CN201110160340.7A CN201110160340A CN102229227B CN 102229227 B CN102229227 B CN 102229227B CN 201110160340 A CN201110160340 A CN 201110160340A CN 102229227 B CN102229227 B CN 102229227B
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- mold insert
- distribution plate
- flow distribution
- spreader plate
- runner
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Abstract
The invention relates to the technical field of hot runner system, and discloses a multilayer runner spreader plate with insert, a hot runner system of the spreader plate and an insert manufacture method. The spreader plate comprises a main spreader plate and at least a layer of insert set. The spreader plate and inserts of the insert set are sequentially overlapped to form a spreader plate with a multilayer structure. The main spreader plate is equipped with a main runner, and the insert set is equipped with sub-runners capable of communicating with the main runner. The spreader plate of the invention is disassembled into the main spreader plate and multilayer insert sets, and is comprised of a plurality of small units, so that a complicated runner of the spreader plate can be disassembled into a plurality of simple sub-runners to make the manufacture of the spreader plate easy and reduce manufacture costs. The runner consists of a plurality of simple sub-runners, so as to reduce a flow approach of a plastic melt in the runner, reduce injection moulding pressure, lower costs, and avoid glue leakage during spreader plate working process and material waste in spreader plate manufacture.
Description
Technical field
The present invention relates to the technical field of TOP-TIP in injection molding, relate in particular to a kind of cost lower, manufacture the multi-layer flow channels flow distribution plate of simple mold insert combination and the manufacture method of mold insert.
Background technology
Multi-layer flow channels flow distribution plate is the center element of a whole set of TOP-TIP, and flow distribution plate is in heated condition, and plastic cement melt is through each runner in flow distribution plate, and shunting transfers to each nozzle, then arrives in the die cavity of mould.
In TOP-TIP, the shape of flow distribution plate is number and the distribution situation that depends on plastic melt flow direction and nozzle in runner, so the profile of most flow distribution plate is irregularly shaped, in conventional machining process, flow distribution plate is normally got material all in one piece steel, after machining center or line excision forming, then processed by depth drill.In the time manufacturing the flow distribution plate of product mold of multi-point mould, need to make the injection glue amount balance of each die cavity consistent, just the runner design in flow distribution plate need to be become to multilayer, conventional way is formed by stacking with two-layer or multilayer flow distribution plate independently, so just need to manufacture several flow distribution plates, this way exists following defect: first, the manufacturing cost of flow distribution plate significantly raises, the manufacturing cost of mould also significantly raises thereupon, the thickness of mould has also thickened many simultaneously, like this, the tonnage number that pours into the injection machine of plastic melt to flow distribution plate also significantly improves, the cost of purchasing machine increases, the electricity charge are risen, second, the difficulty of flow distribution plate assembling increases, in use procedure, be easy to occur leaking glue phenomenon, cause heavy losses, and flow distribution plate be by after line excision forming, processed by depth drill again, like this, just must cut flow distribution plate shape steel in addition, easily cause the waste of material, increase difficulty of processing, cause the increase of processing cost more than 50% simultaneously, the 3rd, in existing flow distribution plate, runner is drill gun processing, like this, the corner of flow distribution plate inside and many runner intersection cannot polishings, easily produce sharp edge wedge angle, " dead angle area " of the easy delay melt of namely often saying, in the time of this region of plastic cement melt process, the something lost material of plastic cement melt is just easily deposited on herein, is difficult to thoroughly purify and clean, easily cause colour mixture, cannot meet the colour changing requirement of injection-molded item.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind of multi-layer flow channels flow distribution plate of mold insert combination is provided, easily, low cost of manufacture, can avoid waste of material and leak glue phenomenon in this flow distribution plate assembling.
The present invention realizes like this, a kind of multiple flow passages flow distribution plate with mold insert, comprise main flow distribution plate and one deck mold insert group at least, described main flow distribution plate and described mold insert group are sequentially superimposed, formation has the flow distribution plate of multilayered structure, in described main flow distribution plate, there is the sprue that can be communicated with extraneous injection-moulding device, in described mold insert group, there is the subflow road that can be communicated with described sprue.
Further, described mold insert group comprises ground floor mold insert group and second layer mold insert group, the mold insert of the mold insert of described main flow distribution plate, ground floor mold insert group and second layer mold insert group is sequentially superimposed, and in described ground floor mold insert group, have the first subflow road, the mold insert of second layer mold insert group has the second subflow road that can be communicated with described sprue, the first subflow road.
Further, described main flow distribution plate and the mold insert of described ground floor mold insert group and the mold insert of described ground floor mold insert group are connected by diffusion welding (DW) with the mold insert of described second layer mold insert group.
Further, in described main flow distribution plate, have groove position, described ground floor mold insert group and described second layer mold insert group are placed in described groove position.
Further, also have first alignment pin that can be inserted in described main flow distribution plate, described the first alignment pin is placed in the avris of the mold insert of described the first mold insert group.
Further, also have second alignment pin that can be inserted in described ground floor mold insert group mold insert, described the second alignment pin is placed in the avris of the mold insert of described second layer mold insert group.
Further, described mold insert is made up of two plates that can fit together, and has the flow path groove that can form described mold insert subflow road in described plate.
The present invention also provides a kind of TOP-TIP, and it comprises the above-mentioned multi-layer flow channels flow distribution plate with mold insert.
The present invention also provides a kind of above-mentioned mold insert manufacture method, specific as follows:
A kind of mold insert manufacture method, comprises the following steps:
1) provide two plates that can fit, processing flow channel groove on the binding face of described plate;
2) described flow path groove is carried out to surface treatment;
3) by described plate with the binding face formation mold insert that fits together, two flow path grooves form the subflow road of mold inserts.
Further, described plate welds together by diffusion welding craft.
Compared with prior art, flow distribution plate in the present invention is decomposed into main flow distribution plate and the combination of multilayer mold insert, formed by multiple junior units, thereby the runner of flow distribution plate complexity can be decomposed and is multiple simple subflows road, make this flow distribution plate manufacture simple, its manufacturing cost is also low, because runner is by multiple simple subflows road, thereby reduce the flow path of plastic melt in runner, reduce injection pressure, reduce costs, and can avoid flow distribution plate when work to occur leaking glue phenomenon, also can avoid flow distribution plate in manufacture process, to waste material.
Brief description of the drawings
Fig. 1 is the cut-away illustration of the flow distribution plate that provides of the embodiment of the present invention;
Fig. 2 is the cut-away illustration of the TOP-TIP that provides of the embodiment of the present invention;
Fig. 3 is the simplified schematic diagram of the mold insert that provides of the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of multiple flow passages flow distribution plate with mold insert, comprise main flow distribution plate and one deck mold insert group at least, the mold insert of described main flow distribution plate and described mold insert group is sequentially superimposed, formation has the flow distribution plate of multilayered structure, in described main flow distribution plate, there is the sprue that can be communicated with extraneous injection-moulding device, in described mold insert group, there is the subflow road that can be communicated with described sprue.
In the present invention, flow distribution plate resolves into multiple junior units, it is manufactured simple, cost is lower, and complicated runner is also broken down into the combination of simple subflow road, can reduce the flow path of plastic cement melt at runner, reduce cost, its assembling is simple, can avoid out a phenomenon of leaking glue or waste material.
The flow distribution plate of following examples has three laminar flow roads, it is sequentially formed by stacking by main flow distribution plate, ground floor mold insert group and second layer mold insert group, certainly, according to the actual requirements, this shunt group can also be two-layer runner, be formed by stacking by main runner and ground floor mold insert group, or three layers of above runner, certainly, now under second layer mold insert group, also have the 3rd layer of mold insert group, or more multi-layered mold insert group, the present invention is not limited to the situation in the three laminar flow roads of following examples, below in conjunction with concrete accompanying drawing, realization of the present invention is described in detail.
As shown in Figures 1 to 3, be a preferred embodiment provided by the invention.
This flow distribution plate 1 comprises main flow distribution plate 11, in main flow distribution plate 11, there is the sprue 111 that can be communicated with extraneous injection-moulding device, in this flow distribution plate 1, there are three laminar flow roads, so, it also comprises two-layer mold insert group, respectively ground floor mold insert group 12 and second layer mold insert group 13, in mold insert in this ground floor mold insert group 12, there is the first subflow road 121, mold insert in second layer mold insert group 13 has the second subflow road 131, main flow distribution plate 11, ground floor mold insert group 12 and second layer mold insert group 13 are sequentially superimposed together, and sprue 111, the first subflow road 121 and the second subflow road 131 are interconnected and form the multi-layer flow channels of this flow distribution plate, like this, ensure that the plastic cement melt in extraneous injection-moulding device can sequentially pass through sprue 111, the first subflow road 121 and the second subflow road 131, enter on the nozzle that is communicated with the second subflow road 131, and then enter in the die cavity of mould.
In actual design, first, user designs the runner distribution situation of whole flow distribution plate 1 according to actual conditions, again according to the distribution design flow distribution plate 1 of runner and multilayer mold insert group, thereby complicated runner can be resolved into the combination in multiple simple subflows road, formed by multiple junior units, it can shorten the flow path of plastic melt, reduce injection pressure, according to the needs of application, can ensure the symmetrical of mold cavity, and easily reach the natural equilibrium of die cavity filler, to realize modern Design of Dies, can avoid again adding because of boring the drawback that plug easily causes leaking glue, can reduce the manufacturing cost of flow distribution plate 1, in manufacture process, do not need flow distribution plate 1 to carry out too much line cutting, avoid the waste of material, and the assembling of this flow distribution plate 1 is also very simple, flow distribution plate 1 after assembling is in the time of work, can avoid occurring leaking the phenomenon of glue.In actual production, the mold insert of each specification also easily manufactures multiple standard components simultaneously, needs assembling to put in production by design.
Sequentially superimposed the linking together of mold insert of above-mentioned main flow distribution plate 11, the mold insert of ground floor mold insert group 12 and second layer mold insert group 13, thereby form the flow distribution plate 1 of this multilayered structure, and the place of interconnecting adopts diffusion welding (DW) welding procedure, the mold insert of the mold insert of main flow distribution plate 11 and ground floor mold insert group 12 and the mold insert of ground floor mold insert group 12 and second layer mold insert group 13 adopts diffusion welding (DW) to weld together, like this, can make junction have more firmly, the phenomenon of avoiding flow distribution plate 1 to occur leaking glue in the time of work.
Above-mentioned diffusion welding (DW) specifically refers to (English name: diffusion welding; DFW): weldment face is fitted tightly, under uniform temperature and pressure, keep a period of time, make atom between contact-making surface mutually diffuse to form the welding method of connection, welding temperature is generally 0.5～0.8 times of material melting point, welding temperature is higher, and atom diffusion is faster.
In the present embodiment, in main flow distribution plate 11, offer groove position, above-mentioned ground floor mold insert group 12 and second layer mold insert group 13 are all placed in groove position.
In order to make the mutual connection accurate positioning of mold insert of winner's flow distribution plate 11, ground floor mold insert group 12, thereby sprue 111 and the first subflow road 121 are communicated with accurately, this flow distribution plate 1 also has the first alignment pin 14, these the first alignment pin 14 one end are connected to the avris of the mold insert of ground floor mold insert group 12, and the other end can insert in main flow distribution plate 11.
Particularly, in main flow distribution plate 11, there is the first locating hole, and the degree of depth of this first locating hole is greater than the length of the first alignment pin 14 for plugging, like this, by the cooperation of the first alignment pin 14 and the first locating hole, can realize the accurate positioning of mold insert and the main flow distribution plate 11 of ground floor mold insert group 12.
In order to make the mold insert of ground floor mold insert group 12 and the mutual connection accurate positioning of mold insert of second layer mold insert group 13, thereby the first subflow road 121 and the second subflow road 131 are communicated with accurately, this flow distribution plate 1 also has the second alignment pin 15, these the second alignment pin 15 one end are connected to the avris of the mold insert of second layer mold insert group 13, and the other end can insert in the mold insert of second layer mold insert group 13.
Particularly, in the mold insert of ground floor mold insert group 12, there is the second locating hole, and the degree of depth of this second locating hole is greater than the length of the second alignment pin 15 for plugging, like this, by the cooperation of the second alignment pin 15 and the second locating hole, can realize the accurate positioning of the mold insert of ground floor mold insert group 12 and the mold insert of second layer mold insert group 13.
The requirement of some injecting products is very high, so, the requirement of the runner of corresponding flow distribution plate 1 is also higher, need to carry out the operations such as polishing, plating to runner, in order to tackle various high requests, mold insert in the present embodiment can form by plate bonded to each other by two, the specification of two plates is identical, and the thickness of two plates (or width) adds up to the thickness (or width) of mold insert, has flow path groove in plate, after bonded to each other, two flow path grooves can form above-mentioned runner.Like this, process flow path groove on plate after, user can carry out the processing such as polishing or plating as required to flow path groove, to improve the surface quality of runner, make runner meet various high requests, certainly, also can design complicated runner in this mold insert.
In the present embodiment, in order to make the plate stable connection in mold insert, between two plates, adopt the welding manner of diffusion welding (DW).
In the present embodiment, on main flow distribution plate 11, be also provided with and can be used for the installing hole 112 that flow distribution plate 1 is connected with external device.
The present embodiment also provides a kind of TOP-TIP, flow distribution plate 1 is as the core component of TOP-TIP, as described in Figure 2, flow distribution plate 1 is placed in the inside groove of liner plate 7, liner plate 7 tops are placed with cope match-plate pattern 2, below is placed with gripper shoe 4, and in upper masterplate, there is main burner 3, this main burner 3 can be communicated in extraneous injection-moulding device, and connect the sprue 111 of flow distribution plate 1, like this, the plastic melt of extraneous injection-moulding device can enter into the runner of flow distribution plate 1, and be also connected with injection nozzle 5 on the undermost mold insert of flow distribution plate 1, for the plastic melt of runner is ejected into the die cavity in mould.
This flow distribution plate 1 is connected with gripper shoe 4 by bolt 6, and this bolt 6 passes the installing hole 112 of main flow distribution plate 11, then is connected in gripper shoe 4, like this, and can be by flow distribution plate 1 and firm the linking together of gripper shoe 4.
Ground floor mold insert group 12 in the present embodiment and second layer mold insert group 13, the mold insert in it can be one, can be also more than one, specifically can determine according to actual needs.
The present embodiment also provides a kind of manufacture method of manufacturing above-mentioned mold insert, as follows:
First the same flow path groove of processing on the binding face of two plates that forms mold insert respectively, and then flow path groove is carried out to polishing or electroplating processes, certainly, it can also be the surface treatment of flow path groove being carried out to other, be not limited to polishing and plating, the surface of flow path groove is met the requirements, then two plates are fitted and connected together with binding face, make two flow path grooves form runner, thereby form the mold insert with runner.
In above-mentioned, can use milling machine to carry out milling to plate and process flow path groove, adopt the welding manner of diffusion welding (DW) to make two firm fitting together of plate.
In this manufacture method, because the runner in mold insert is to be formed by the flow path groove of two plates, described in the process of processing flow channel groove, user can carry out multiple processing to the surface of flow path groove, as polishing, electroplating processes etc., than avoiding runner form sharp edge or get rusty, extend the life-span of runner, make runner there is high-quality, can be used for producing the product of high-quality requirement
Certainly, the manufacture method of above-mentioned mold insert is not unique selection, very simple for some subflow roads, and the genuine mold insert of for example direct current completes and can operate with the operation of boring, is two plates and do not need to decompose.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. one kind has the multiple flow passages flow distribution plate of mold insert, it is characterized in that, comprise main flow distribution plate and one deck mold insert group at least, described main flow distribution plate and described mold insert group are sequentially superimposed, formation has the flow distribution plate of multilayered structure, in described main flow distribution plate, there is the sprue that can be communicated with extraneous injection-moulding device, in described mold insert group, there is the subflow road that can be communicated with described sprue, described sprue and described subflow road are separate, and sequentially arrange from top to bottom, in described main flow distribution plate, have groove position, described mold insert group is placed in described groove position.
2. the multiple flow passages flow distribution plate with mold insert as claimed in claim 1, it is characterized in that, described mold insert group comprises ground floor mold insert group and second layer mold insert group, the mold insert of the mold insert of described main flow distribution plate, ground floor mold insert group and second layer mold insert group is sequentially superimposed, and in described ground floor mold insert group, have the first subflow road, the mold insert of second layer mold insert group has the second subflow road that can be communicated with described sprue, the first subflow road.
3. the multiple flow passages flow distribution plate with mold insert as claimed in claim 2, is characterized in that, described main flow distribution plate and the mold insert of described ground floor mold insert group and the mold insert of described ground floor mold insert group are connected by diffusion welding (DW) with the mold insert of described second layer mold insert group.
4. a kind of multiple flow passages flow distribution plate with mold insert as claimed in claim 2, is characterized in that also having first alignment pin that can be inserted in described main flow distribution plate, and described the first alignment pin is placed in the avris of the mold insert of described ground floor mold insert group.
5. the multiple flow passages flow distribution plate with mold insert as claimed in claim 2, is characterized in that, also has second alignment pin that can be inserted in described ground floor mold insert group mold insert, and described the second alignment pin is placed in the avris of the mold insert of described second layer mold insert group.
6. the multiple flow passages flow distribution plate with mold insert as described in claim 1 to 5 any one, is characterized in that, described mold insert is made up of two plates that can fit together, and has the flow path groove that can form described mold insert subflow road in described plate.
7. a TOP-TIP, is characterized in that, comprises the multi-layer flow channels flow distribution plate with mold insert described in claim 1～6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160340.7A CN102229227B (en) | 2011-06-15 | 2011-06-15 | Multilayer runner spreader plate with insert, hot runner system and insert manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110160340.7A CN102229227B (en) | 2011-06-15 | 2011-06-15 | Multilayer runner spreader plate with insert, hot runner system and insert manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102229227A CN102229227A (en) | 2011-11-02 |
| CN102229227B true CN102229227B (en) | 2014-08-27 |
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| CN201110160340.7A Expired - Fee Related CN102229227B (en) | 2011-06-15 | 2011-06-15 | Multilayer runner spreader plate with insert, hot runner system and insert manufacture method |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689409A (en) * | 2012-06-14 | 2012-09-26 | 苏州腾行精密模具有限公司 | Mould runner structure and rubber mould with same |
| CN105312866A (en) * | 2014-07-29 | 2016-02-10 | 上海济微机械科技有限公司 | Method for producing conformal cooling type die |
| CN105172039A (en) * | 2015-08-27 | 2015-12-23 | 武汉多科玛精密机械有限公司 | Hot runner system |
| CN106271402A (en) * | 2016-08-09 | 2017-01-04 | 深圳市麦士德福科技股份有限公司 | A kind of flow distribution plate processing technique of TOP-TIP |
| CN107101354B (en) * | 2017-05-27 | 2020-06-16 | 青岛海尔空调电子有限公司 | Air guide component and air conditioner comprising same |
| CN109049540A (en) * | 2018-08-22 | 2018-12-21 | 珠海格力精密模具有限公司 | Injection mold |
| CN109093949A (en) * | 2018-11-09 | 2018-12-28 | 柳道万和(苏州)热流道系统有限公司 | Flow distribution plate and hot flow path adapted to injection system |
| CN109501149A (en) * | 2018-12-20 | 2019-03-22 | 华天科技（西安）有限公司 | A kind of novel flow channel structure of metaideophone molding IC package mold |
| CN111376451A (en) * | 2018-12-30 | 2020-07-07 | 深圳市凯尔斯特热流道技术有限公司 | Multi-cavity small-product small-nozzle hot runner |
| CN111452306A (en) * | 2019-01-21 | 2020-07-28 | 上海瀚典热流道科技有限公司 | Core rod flow distribution plate |
| JP2022104468A (en) * | 2020-12-28 | 2022-07-08 | 有限会社ベストテクニカル | Hot runner assembly |
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| US6824380B2 (en) * | 2002-11-12 | 2004-11-30 | Shu-Mei Lee | Balanced-flow structure for hot runner manifolds |
| WO2004103668A2 (en) * | 2003-05-21 | 2004-12-02 | Kortec, Inc. | Co-injection nozzle with improved interior layer termination and method of using same |
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| CN201169034Y (en) * | 2008-03-11 | 2008-12-24 | 青岛科技大学 | Cold runner rubber injecting molding die |
| CN101767408A (en) * | 2009-05-20 | 2010-07-07 | 三星电子株式会社 | Injection mold and injection molding method by using the injection mold |
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- 2011-06-15 CN CN201110160340.7A patent/CN102229227B/en not_active Expired - Fee Related
Patent Citations (5)
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| US6824380B2 (en) * | 2002-11-12 | 2004-11-30 | Shu-Mei Lee | Balanced-flow structure for hot runner manifolds |
| WO2004103668A2 (en) * | 2003-05-21 | 2004-12-02 | Kortec, Inc. | Co-injection nozzle with improved interior layer termination and method of using same |
| CN1970271A (en) * | 2005-10-04 | 2007-05-30 | 标准模具有限公司 | Melt redistribution element for an injection molding apparatus |
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| CN101767408A (en) * | 2009-05-20 | 2010-07-07 | 三星电子株式会社 | Injection mold and injection molding method by using the injection mold |
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