CN102229227A - 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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- CN102229227A CN102229227A CN2011101603407A CN201110160340A CN102229227A CN 102229227 A CN102229227 A CN 102229227A CN 2011101603407 A CN2011101603407 A CN 2011101603407A CN 201110160340 A CN201110160340 A CN 201110160340A CN 102229227 A CN102229227 A CN 102229227A
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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 the injection moulding processing, relate in particular to a kind of cost lower, make the multilayer runner flow distribution plate of simple mold insert combination and the manufacture method of mold insert.
Background technology
Multilayer runner flow distribution plate is the center element of a whole set of TOP-TIP, and flow distribution plate is in heated condition, and the plastic cement melt is through each runner in the flow distribution plate, and shunting transfers to each nozzle, arrives in the die cavity of mould again.
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 the 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, behind machining center or line excision forming, process by depth drill again.When the flow distribution plate of the product mold of making multi-point mould, need make the injection glue amount balance unanimity of each die cavity, just the runner in the flow distribution plate need be designed to multilayer, conventional way is formed by stacking with two-layer or multilayer flow distribution plate independently, so just need to make several flow distribution plates, this way exists following defective: first, the manufacturing cost of flow distribution plate significantly raises, the manufacturing cost of mould also significantly raises thereupon, the thickness of while mould has also thickened many, and 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, and the electricity charge are risen; Second, the difficulty of flow distribution plate assembling increases, be easy in the use occur leaking the glue phenomenon, cause heavy losses, and flow distribution plate be by behind the line excision forming, process by depth drill again, like this, just must cut flow distribution plate shape steel in addition, cause the waste of material easily, increase difficulty of processing, the increase that causes processing cost simultaneously is more than 50%; The 3rd, runner is drill gun processing in the existing flow distribution plate, like this, the corner of flow distribution plate inside and many runner intersection can't polishings, are easy to generate the sharp edge wedge angle, " dead angle area " of the easy delay melt of often saying just, when this zone of plastic cement melt process, the something lost material of plastic cement melt just is deposited on herein easily, is difficult to thoroughly purify and clean, easily cause colour mixture, can't satisfy 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 multilayer runner flow distribution plate of mold insert combination is provided, this flow distribution plate assembling is easy, and low cost of manufacture can be avoided waste of material and leak the glue phenomenon.
The present invention realizes like this, a kind of multithread road 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 superimposed in regular turn, formation has the flow distribution plate of multilayered structure, have the sprue that can be communicated with extraneous injection-moulding device in the described main flow distribution plate, have the sub-runner that can be communicated with described sprue in the described mold insert group.
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 superimposed in regular turn, and have the first sub-runner in the described ground floor mold insert group, the mold insert of second layer mold insert group has the second sub-runner that can be communicated with described sprue, the first sub-runner.
Further, the mold insert of the mold insert of the mold insert of described main flow distribution plate and described ground floor mold insert group and described ground floor mold insert group and described second layer mold insert group is connected by diffusion welding (DW).
Further, have the groove position in the described main flow distribution plate, described ground floor mold insert group and described second layer mold insert group place described groove position.
Further, also have first alignment pin that can be inserted in described main flow distribution plate, described first alignment pin places the avris of the mold insert of the described first mold insert group.
Further, also have second alignment pin that can be inserted in described ground floor mold insert group mold insert, described second alignment pin places 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 the sub-runner of described mold insert in the described plate.
The present invention also provides a kind of TOP-TIP, and it comprises the above-mentioned multilayer runner flow distribution plate with mold insert.
The present invention also provides a kind of above-mentioned mold insert manufacture method, and is specific as follows:
A kind of mold insert manufacture method may further comprise the steps:
1) provides two plates that can fit, processing flow channel groove on the binding face of described plate;
2) described flow path groove is carried out surface treatment;
3) with described plate with the binding face formation mold insert that fits together, two flow path grooves form the sub-runner of mold inserts.
Further, described plate welds together by diffusion welding craft.
Compared with prior art, flow distribution plate among the present invention is decomposed into main flow distribution plate and the combination of multilayer mold insert, promptly form by a plurality of junior units, thereby the runner of flow distribution plate complexity can be decomposed and be a plurality of simple sub-runners, make that this flow distribution plate manufacturing is simple, its manufacturing cost is also low, because runner is by a plurality of simple sub-runners, thereby reduce the flow path of plastic melt in runner, reduce injection pressure, reduce cost, and can avoid flow distribution plate when work to occur leaking the glue phenomenon, also can avoid flow distribution plate waste material in manufacture process.
Description of drawings
Fig. 1 is the cut-away illustration of the flow distribution plate that provides of the embodiment of the invention;
Fig. 2 is the cut-away illustration of the TOP-TIP that provides of the embodiment of the invention;
Fig. 3 is the simplified schematic diagram of the mold insert that provides of the embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The invention provides a kind of multithread road 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 superimposed in regular turn, formation has the flow distribution plate of multilayered structure, have the sprue that can be communicated with extraneous injection-moulding device in the described main flow distribution plate, have the sub-runner that can be communicated with described sprue in the described mold insert group.
Among the present invention, flow distribution plate resolves into a plurality of junior units, and it is simple to make it make, cost is lower, and complicated runner also is broken down into simple sub-runner combination, 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 formed by stacking in regular turn 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, promptly be formed by stacking by main runner and ground floor mold insert group, the perhaps runner more than three layers, certainly, also have three layer mold insert group under the second layer mold insert group this moment, 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.
Shown in Fig. 1～3, be a preferred embodiment provided by the invention.
This flow distribution plate 1 comprises main flow distribution plate 11, has the sprue 111 that can be communicated with in the main flow distribution plate 11 with extraneous injection-moulding device, have three laminar flow roads in this flow distribution plate 1, so, it also comprises two-layer mold insert group, be respectively ground floor mold insert group 12 and second layer mold insert group 13, has the first sub-runner 121 in the mold insert in this ground floor mold insert group 12, mold insert in the second layer mold insert group 13 has the second sub-runner 131, main flow distribution plate 11, ground floor mold insert group 12 and second layer mold insert group 13 are superimposed together in regular turn, and sprue 111, the first sub-runner 121 and the second sub-runner 131 are interconnected and form the multilayer runner of this flow distribution plate, like this, guarantee that the plastic cement melt in the extraneous injection-moulding device can pass through sprue 111 in regular turn, the first sub-runner 121 and the second sub-runner 131, enter on the nozzle that is communicated with the second sub-runner 131, and then enter in the die cavity of mould.
In actual design, at first, the 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 and the multilayer mold insert group of runner, thereby the runner of complexity can be resolved into the combination of a plurality of simple sub-runners, promptly constitute by a plurality of junior units, it can shorten the flow path of plastic melt, reduce injection pressure, according to the needs of using, can guarantee the symmetrical distribution of mold cavity, and reach the natural equilibrium of die cavity filler easily, to realize modern mould design, can avoid again adding the drawback that plug easily causes leaking glue because of boring, can reduce the manufacturing cost of flow distribution plate 1, in manufacture process, not need flow distribution plate 1 is carried out too much line cutting, avoid the waste of material, and the assembling of this flow distribution plate 1 is also very simple, and the flow distribution plate 1 after the assembling is in when work, the phenomenon that can avoid occurring leaking glue.In actual production, the mold insert of each specification also easily manufactures a plurality of standard components simultaneously, needs assembling to put in the production by design.
The mold insert of the mold insert of above-mentioned main flow distribution plate 11, ground floor mold insert group 12 and second layer mold insert group 13 is superimposed in regular turn to link together, thereby form the flow distribution plate 1 of this multilayered structure, and the place of interconnecting adopts the diffusion welding (DW) welding procedure, the mold insert of the mold insert of the mold insert of promptly main flow distribution plate 11 and ground floor mold insert group 12 and ground floor mold insert group 12 and second layer mold insert group 13 adopts diffusion welding (DW) to weld together, like this, can make the junction have more firmly, the phenomenon of avoiding flow distribution plate 1 when work, glue to occur leaking.
Above-mentioned diffusion welding (DW) specifically is meant (English name: diffusion welding; DFW): the weldment face is fitted tightly, keep a period of time under uniform temperature and pressure, make atom between the contact-making surface diffuse to form the welding method of connection mutually, welding temperature is generally 0.5～0.8 times of material melting point, welding temperature is high more, and the atom diffusion is fast more.
In the present embodiment, offer the groove position in the main flow distribution plate 11, above-mentioned ground floor mold insert group 12 and second layer mold insert group 13 all are placed in the 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 make the sprue 111 and the first sub-runner 121 be communicated with accurately, this flow distribution plate 1 also has first alignment pin 14, these first alignment pin, 14 1 ends are connected the avris of the mold insert of ground floor mold insert group 12, and the other end can insert in the main flow distribution plate 11.
Particularly, have first locating hole in the main flow distribution plate 11, and the degree of depth of this first locating hole length that is used to plug greater than first alignment pin 14, like this, by the cooperation of first alignment pin 14 and first locating hole, can realize the accurate positioning of the mold insert and the main flow distribution plate 11 of ground floor mold insert group 12.
For make mold insert and the mold insert of second layer mold insert group 13 of ground floor mold insert group 12 mutual be connected accurate positioning, thereby win sub-runner 121 and the second sub-runner 131 are communicated with accurately, this flow distribution plate 1 also has second alignment pin 15, these second alignment pin, 15 1 ends are connected 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, has second locating hole in the mold insert of ground floor mold insert group 12, and the length that the degree of depth of this second locating hole is used to plug greater than second alignment pin 15, like this, by the cooperation of second alignment pin 15 and second locating hole, can realize the accurate positioning of the mold insert of the mold insert of ground floor mold insert group 12 and 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 polish runner, operation such as plating, in order to tackle various high requests, mold insert in the present embodiment is made up of two plates that can fit mutually, 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 the plate, after fitting mutually, two flow path grooves can form above-mentioned runner.Like this, after processing flow path groove on the plate, the user can polish flow path groove or processing such as plating as required, to improve the surface quality of runner, makes runner meet various high requests, certainly, also can design complicated runner in this mold insert.
In the present embodiment,, adopt the welding manner of diffusion welding (DW) between two plates in order to make the plate in the mold insert connect firmly.
In the present embodiment, also be provided with on the main flow distribution plate 11 and can be used for the installing hole 112 that flow distribution plate 1 is connected with external device.
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 places the inside groove of liner plate 7, liner plate 7 tops are placed with cope match-plate pattern 2, the below is placed with gripper shoe 4, and has main burner 3 in the last masterplate, 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 then can enter into the runner of flow distribution plate 1, and also be connected with injection nozzle 5 on the undermost mold insert of flow distribution plate 1, be used for plastic melt with runner and be ejected into die cavity in the 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, be connected again on the gripper shoe 4, like this, can be with flow distribution plate 1 and gripper shoe 4 firm linking together.
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, also can be more than one, specifically can decide according to actual needs.
Present embodiment also provides a kind of manufacture method of making above-mentioned mold insert, and is as follows:
On the binding face of two plates forming mold insert, process the same flow path groove at first respectively, and then flow path groove carried out polishing or electroplating processes, certainly, it can also be the surface treatment of flow path groove being carried out other, be not limited to polishing and plating, make the surface of flow path groove meet the requirements, then two plates are fitted and connected together with binding face, make two flow path grooves form runner, thereby form mold insert with runner.
In above-mentioned, can use milling machine that plate is milled 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 being the flow path groove by two plates, the runner in the mold insert forms, described in the process of processing flow channel groove, the user can carry out multiple processing to the surface of flow path groove, as polishing, electroplating processes etc., than avoiding runner to form sharp edge or getting rusty, prolong the life-span of runner, make runner have 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, and is very simple for an a little runner, and for example the genuine mold insert of direct current is finished and can be operated with the operation of boring, is not two plates and do not need to decompose.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. multithread road flow distribution plate with 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 superimposed in regular turn, formation has the flow distribution plate of multilayered structure, have the sprue that can be communicated with extraneous injection-moulding device in the described main flow distribution plate, have the sub-runner that can be communicated with described sprue in the described mold insert group.
2. the multithread road 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 superimposed in regular turn, and have the first sub-runner in the described ground floor mold insert group, the mold insert of second layer mold insert group has the second sub-runner that can be communicated with described sprue, the first sub-runner.
3. the multithread road flow distribution plate with mold insert as claimed in claim 2 is characterized in that, the mold insert of the mold insert of described main flow distribution plate and described ground floor mold insert group and the mold insert of described ground floor mold insert group and described second layer mold insert group is connected by diffusion welding (DW).
4. the multithread road flow distribution plate with mold insert as claimed in claim 2 is characterized in that having the groove position in the described main flow distribution plate, and described ground floor mold insert group and described second layer mold insert group place described groove position.
5. a kind of multithread road 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 first alignment pin places the avris of the mold insert of the described first mold insert group.
6. the multithread road 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 second alignment pin places the avris of the mold insert of described second layer mold insert group.
7. as each described multithread road flow distribution plate of claim 1 to 6, it 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 the sub-runner of described mold insert in the described plate with mold insert.
8. a TOP-TIP is characterized in that, comprises each described multilayer runner flow distribution plate with mold insert of claim 1～7.
9. a mold insert manufacture method is characterized in that, may further comprise the steps:
1) provides two plates that can fit mutually, processing flow channel groove on the binding face of described plate;
2) described flow path groove is carried out surface treatment;
3) with described plate with the binding face formation mold insert that fits together, two flow path grooves form the sub-runner of mold inserts.
10. a mold insert manufacture method as claimed in claim 9 is characterized in that described plate welds together by diffusion welding craft.
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 |
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| 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 |
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| CN102229227A true CN102229227A (en) | 2011-11-02 |
| CN102229227B 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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN105172039A (en) * | 2015-08-27 | 2015-12-23 | 武汉多科玛精密机械有限公司 | Hot runner system |
| 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 |
| 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 |
| CN107101354A (en) * | 2017-05-27 | 2017-08-29 | 青岛海尔空调电子有限公司 | Diversion component and the air conditioner including the diversion component |
| 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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| 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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Cited By (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 |
| CN107101354A (en) * | 2017-05-27 | 2017-08-29 | 青岛海尔空调电子有限公司 | Diversion component and the air conditioner including the diversion component |
| 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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| CN102229227B (en) | 2014-08-27 |
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