CN108407222A - A kind of water route containing conformal cooling mold cores mold insert - Google Patents
A kind of water route containing conformal cooling mold cores mold insert Download PDFInfo
- Publication number
- CN108407222A CN108407222A CN201810436783.6A CN201810436783A CN108407222A CN 108407222 A CN108407222 A CN 108407222A CN 201810436783 A CN201810436783 A CN 201810436783A CN 108407222 A CN108407222 A CN 108407222A
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- China
- Prior art keywords
- water route
- mold
- conformal cooling
- core body
- cooling water
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 239000000498 cooling water Substances 0.000 claims abstract description 57
- 238000000465 moulding Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000000110 selective laser sintering Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims description 8
- 241000510164 Cumberlandia monodonta Species 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 13
- 238000009434 installation Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Abstract
The invention discloses a kind of water route containing conformal cooling mold cores mold inserts, including mold core body and the conformal cooling water route being arranged inside mold core body, mold core body and conformal cooling water route are made of selective laser sintering increasing material manufacturing integrated molding, conformal cooling water route includes multiple V-type water routes disposed in parallel, a nozzle positioned at the V-type water route of head end is set as water inlet, a nozzle positioned at the V-type water route of tail end is set as water outlet, it is connected by U-shaped water route between the nozzle in two neighboring V-type water route, the tip of V-type water route bottom is set as knuckle, multiple centre holes are additionally provided in mold core body.The present invention can not only improve the cooling efficiency of mold, shorten the cooling time of product and then shorten the molding cycle of product, improve production of articles efficiency, reduce moulding thermal residual strain, and can also improve injection-molded item dimensional accuracy, improve the quality of product.
Description
Technical field
The present invention relates to injecting molding die fields, and in particular to a kind of water route containing conformal cooling mold cores mold insert.
Background technology
It is well known that injection moulding is a kind of efficient plastic items manufacturing method, its high efficiency of forming be according to
By injection mold.Process of injection molding includes molding, injection, pressurize and cooling four-stage, in the entirely injection moulding period
In, cooling holding time longest occupies the time of whole cycle 3/4 or so, therefore, improve production efficiency key be how
Reduce this part cooling time, this just needs to improve cooling efficiency.Further, since the configurations of plastic, different parts are cold
But the difference of speed can cause the contraction of plastic uneven.Obtain more uniform cooling, must just make mold cavity everybody
The temperature set can be consistent substantially, and therefore, the uniformity of mold cavity Temperature Distribution is to control another pass of plastic cooling
Key factor, the factor mainly influence the performance of plastic.Traditional cooling water channel (jet flow, bush type, iris type) can not achieve
The uniform cooling of parts, and processing is all to drill or realize that drilling can only processing linear using the mould structure of inlaid type
The cooling water channel of shape, and plastic products often have complicated curved-surface structure, therefore linear cooling water channel is away from mold cavity surface
Distance be, it is difficult to realize the uniform cooling of part.
Invention content
The technical problem to be solved in the present invention is to provide a kind of water route containing conformal cooling mold cores mold inserts, can not only change
The cooling efficiency of kind mold, the cooling time for shortening product and then the molding cycle for shortening product, improve production of articles efficiency,
Moulding thermal residual strain is reduced, and injection-molded item dimensional accuracy can also be improved, improves the quality of product.
In order to solve the above technical problem, the present invention provides a kind of water route containing conformal cooling mold cores mold inserts, are used for
Prepared by the injection molding of spectacle case, including mold core body and the one or more of conformal cooling water that are arranged inside mold core body
Road, the mold core body and conformal cooling water route are made of selective laser sintering increasing material manufacturing integrated molding, described profile-followed cold
But water route includes multiple V-type water routes disposed in parallel, and a nozzle positioned at the V-type water route of head end is set as water inlet, is located at
One nozzle in the V-type water route of tail end is set as water outlet, is connected by U-shaped water route between the nozzle in two neighboring V-type water route,
The tip of V-type water route bottom is set as knuckle, the opening down inversion setting in the U-shaped water route, the V-type water route
Caliber cross section with U-shaped water route is circle, and multiple centre holes are additionally provided in the mold core body.
Further, the water outlet and water inlet are arranged at the top of mold core body.
Further, described mold core body a side is provided with locking protrusion, and the side of the mold core body is close to bottom
Side is provided with fixed card slot.
Further, the section of the mold core body is inverted trapezoidal structure.
Further, the mold core body surface is provided with guide and limit protrusion, mold core body surface on along the longitudinal direction
Limiting stand portion is provided in transverse direction, the limiting stand portion is positioned close on the surface of mold core body top side.
Further, included the following steps using the method for selective laser sintering increasing material manufacturing：
Step 1) establishes the center line of conformal cooling water route three-dimensional tube by flow analysis software, establishes cylinder unit,
Matched injecting molding machine is selected, then the diagnosis refrigeration process of analogue simulation injection-molded item, according to analysis result pair
Conformal cooling water route optimizes with a distance from article inner surface with the diameter in conformal cooling water route, finally obtains profile-followed cold
But the position of center line in water route and the center line in conformal cooling water route is exported；
Step 2) divides mould in Three-dimensional CAD Software, establishes the threedimensional model of core mold insert, is then introduced into conformal cooling water route
Center line establishes the three-dimensional tube model in conformal cooling water route, finally carries out Boolean calculation, obtains with conformal cooling water route
The threedimensional model of core mold insert；
Step 3) is needing the position that centre hole is arranged to punch reserving hole channel, is completing threedimensional model in Three-dimensional CAD Software
Modeling；
Step 4) manufactures the conformal cooling water route mold cores with selective laser sintering and moulding technology by threedimensional model
Mold insert.
Beneficial effects of the present invention：
The conformal cooling water route is connected in space with U-shaped water route by V-type water route, and the type face of product can be followed
Variation, and the transition connection between water route all uses circular sliding slopes to design, and keeps flow of cooling water smooth, avoids the formation of flowing
Dead angle is conducive to improve cooling efficiency；Only there are one water inlet and a water outlet, flow of cooling water in one conformal cooling water route
Direction is clear, and speed is fast, can quickly take away heat, improves heat dissipation effect；It conformal cooling water route can be according to analogous shape
The size of part and change, the diameter in conformal cooling water route can become larger with part and be increased, and the length in water route can also be with zero
The increase of part and lengthen, water route can be blocked in order to be suitble to the cooling of part, after lengthening, increase inlet and outlet, shape
At a plurality of conformal cooling water route, ensure cooling effect.
This conformal cooling water route can not be processed with traditional drilling processing mode, and insert or composite structure can not be protected
Cooling-down effect is demonstrate,proved, therefore is manufactured using selective laser sintering and moulding technology, the core mold insert after manufacture is not only simple in structure, nothing
Complicated package assembly, and smooth channel is reliable, the cooling efficiency for being effectively improved mold, the cooling time for shortening product, into
And shorten the molding cycle of product, production of articles efficiency is improved, moulding thermal residual strain is reduced, and injection molding system can also be improved
Product dimensional accuracy improves the quality of product.
In the preparation of spectacle case, spectacle case molding cycle 5s~8s or more can be shortened using above-mentioned core mold insert, carried
High efficiency reduces cost of goods manufactured, improves product's dimensional precision.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the conformal cooling water route schematic diagram of the present invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Referring to Fig.1 with shown in Fig. 2, an embodiment of the mold cores of water route containing conformal cooling mold insert of the invention is used for eye
Prepared by the injection molding of mirror case, including mold core body 1 and the one or more of conformal cooling water routes that are arranged inside mold core body
2, mold core body and conformal cooling water route are made of selective laser sintering increasing material manufacturing integrated molding, which needs
Ensure stronger cooling effect, is that can not be processed with traditional drilling processing mode, and insert or composite structure can not
Ensureing cooling-down effect, therefore is manufactured using selective laser sintering and moulding technology, the core mold insert after manufacture is not only simple in structure,
Without complicated package assembly, and smooth channel is reliable, the cooling efficiency for being effectively improved mold, the cooling time for shortening product,
And then shorten the molding cycle of product, production of articles efficiency is improved, reduces moulding thermal residual strain, and injection molding can also be improved
Product's dimensional precision improves the quality of product.
Above-mentioned conformal cooling water route includes multiple V-type water routes 3 disposed in parallel, is located at one of the V-type water route of head end
Nozzle is set as water inlet 4, and a nozzle positioned at the V-type water route of tail end is set as water outlet 5, two neighboring V-type water route
Connected by U-shaped water route 6 between nozzle, the tip of V-type water route bottom is set as knuckle 7, U-shaped water route it is opening down fall
Install, the caliber cross section in V-type water route and U-shaped water route is circle, can follow product type face change and change,
And the transition connection between water route all uses circular sliding slopes to design, and keeps flow of cooling water smooth, avoids the formation of flow blind angle, has
Conducive to raising cooling efficiency；Only there are one water inlet and a water outlet, flow of cooling water direction are bright in one conformal cooling water route
Really, speed is fast, can quickly take away heat, improves heat dissipation effect；It conformal cooling water route can be according to the part of analogous shape
Size and change, the diameter in conformal cooling water route can become larger with part and be increased, and the length in water route can also be with the increasing of part
It lengthens greatly, water route can be blocked in order to be suitble to the cooling of part, after lengthening, increase inlet and outlet, formed a plurality of
Conformal cooling water route ensures cooling effect.
Be additionally provided with multiple centre holes in mold core body, for installing thimble in centre hole, thimble be used for spectacle case at
It is ejected after type cooling, achievees the effect that automatic material separator.
By the experiment of actual production, in the preparation of spectacle case, using above-mentioned core mold insert can shorten spectacle case at
Type period 5s~8s or more improves production efficiency, reduces cost of goods manufactured, improves product's dimensional precision.
Above-mentioned water outlet and water inlet are arranged at the top of mold core body, are connected with the other structures of mold, form connection
Cavity structure or loop structure, top are arranged convenient for connection.In mold core body a side, locking protrusion 9 is set, it can after installation
To reinforce connection effect by locking, the side of mold core body is provided with fixed card slot 10 close to bottom side, by mold its
His position is arranged corresponding fastener and carries out cooperation clamping, to the position of firm core body bottom portion, since mold bottom is unsuitable
Operation, therefore operation is simple and reliable by way of clamping.And it is inverted trapezoidal structure by the section of mold core body, when mounted
Precision can be improved, avoids machining accuracy problem from causing to put not in place, can effectively reduce machining accuracy.
In order to further increase installation effect, guide and limit protrusion is provided on along the longitudinal direction on mold core body surface
11, this guide and limit protrusion can be arranged on multiple surfaces, when mounted, can be with the recesses fit on mold corresponding position
The effect for being oriented to and limiting is formed, therefore assembling difficulty can be reduced, can be completed be bumped into installation by conducting oneself with dignity by being put into
Effect；And mold core body surface in transverse direction on be provided with limiting stand portion 12, limiting stand portion is positioned close to mold core body top
On the surface of portion side, it can coordinate with the stage portion being arranged on mold, the height that installation is bumped into mold core body limits
System coordinates, when mounted with guide and limit protrusion, it is only necessary to put to substantially reduce operation difficulty in place, it is laborsaving can
It leans on, improves installation effectiveness.
The above-mentioned method using selective laser sintering increasing material manufacturing includes the following steps：
Construction and the sunykatuib analysis that cooling water channel is carried out first in flow analysis software, first establish conformal cooling water route three
The center line for tieing up pipeline, establishes cylinder unit, selects matched injecting molding machine, then analogue simulation injection-molded item
Diagnosis refrigeration process, according to analysis result to conformal cooling water route with a distance from article inner surface and the diameter in conformal cooling water route
It optimizes, finally obtain the optimal position of center line in conformal cooling water route and exports the center line in conformal cooling water route,
Convenient for subsequently using；
Then divide mould in Three-dimensional CAD Software, establish the threedimensional model of core mold insert, by conformal cooling water obtained above
Lu Zhizheng line is imported, and is established the three-dimensional tube model in conformal cooling water route, is finally carried out Boolean calculation, by core mold insert
Threedimensional model and the three-dimensional tube model in conformal cooling water route are combined, and obtain the core mold insert with conformal cooling water route
Threedimensional model；
In Three-dimensional CAD Software, is needing the position that centre hole is set to punch reserving hole channel, completing building for threedimensional model
Mould；
The conformal cooling water route mold cores edge is finally manufactured by threedimensional model with selective laser sintering and moulding technology
Centre hole is molded by part together in above-mentioned preparation, is not necessarily to follow-up perforation processing, and preparation efficiency is high, and using effect is good.
Above example is only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, the present invention guarantor
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (6)
1. a kind of water route containing conformal cooling mold cores mold insert, prepared by the injection molding for spectacle case, which is characterized in that including core
Ontology and the one or more of conformal cooling water routes being arranged inside mold core body, the mold core body and conformal cooling water
The laser sintered increasing material manufacturing integrated molding of Route Selection is made, and the conformal cooling water route includes multiple V-types disposed in parallel
Water route, a nozzle positioned at the V-type water route of head end are set as water inlet, are located at the nozzle setting in the V-type water route of tail end
For water outlet, connected by U-shaped water route between the nozzle in two neighboring V-type water route, the tip of V-type water route bottom is set as
The caliber cross section in knuckle, the opening down inversion setting in the U-shaped water route, the V-type water route and U-shaped water route is circle
Shape is additionally provided with multiple centre holes in the mold core body.
2. water route containing conformal cooling as described in claim 1 mold cores mold insert, which is characterized in that the water outlet and water inlet
Mouth is arranged at the top of mold core body.
3. water route containing conformal cooling as described in claim 1 mold cores mold insert, which is characterized in that the mold core body side
While being provided with locking protrusion, the side of the mold core body is provided with fixed card slot close to bottom side.
4. water route containing conformal cooling as described in claim 1 mold cores mold insert, which is characterized in that the mold core body is cut
Face is inverted trapezoidal structure.
5. water route containing conformal cooling as described in claim 1 mold cores mold insert, which is characterized in that the mold core body surface
Be provided with guide and limit protrusion on along the longitudinal direction, mold core body surface in transverse direction on be provided with limiting stand portion, the limit
Position platform portion is positioned close on the surface of mold core body top side.
6. water route containing conformal cooling as described in claim 1 mold cores mold insert, which is characterized in that burnt using selective laser
The method of knot increasing material manufacturing includes the following steps：
Step 1) establishes the center line of conformal cooling water route three-dimensional tube by flow analysis software, establishes cylinder unit, selection
Matched injecting molding machine, the then diagnosis refrigeration process of analogue simulation injection-molded item, according to analysis result to profile-followed
Cooling water channel optimizes with a distance from article inner surface with the diameter in conformal cooling water route, finally obtains conformal cooling water
The position of center line on road and the center line for exporting conformal cooling water route；
Step 2) divides mould in Three-dimensional CAD Software, establishes the threedimensional model of core mold insert, is then introduced into conformal cooling water route center
Line establishes the three-dimensional tube model in conformal cooling water route, finally carries out Boolean calculation, obtains the core with conformal cooling water route
The threedimensional model of mold insert；
Step 3) is needing the position that centre hole is arranged to punch reserving hole channel, is completing building for threedimensional model in Three-dimensional CAD Software
Mould；
Step 4) manufactures the conformal cooling water route mold cores mold insert with selective laser sintering and moulding technology by threedimensional model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436783.6A CN108407222A (en) | 2018-05-09 | 2018-05-09 | A kind of water route containing conformal cooling mold cores mold insert |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436783.6A CN108407222A (en) | 2018-05-09 | 2018-05-09 | A kind of water route containing conformal cooling mold cores mold insert |
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| Publication Number | Publication Date |
|---|---|
| CN108407222A true CN108407222A (en) | 2018-08-17 |
Family
ID=63138184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810436783.6A Pending CN108407222A (en) | 2018-05-09 | 2018-05-09 | A kind of water route containing conformal cooling mold cores mold insert |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774086A (en) * | 2019-03-29 | 2019-05-21 | 宁波语方模塑有限公司 | A kind of production method of the profile-followed water circuit system and its lower mold core of plastic impeller mold |
| CN110355361A (en) * | 2019-06-24 | 2019-10-22 | 共享智能铸造产业创新中心有限公司 | The design method of mold coolant flow channel |
| CN111941749A (en) * | 2020-08-05 | 2020-11-17 | 江苏沂人智能制造科技有限公司 | Novel 3D printing conformal cooling water path mold and machining method |
| CN112404395A (en) * | 2020-10-10 | 2021-02-26 | 浙江华朔科技股份有限公司 | Cooling method of new energy automobile motor shell die-casting die |
| CN113246344A (en) * | 2021-06-28 | 2021-08-13 | 上海应用技术大学 | Preparation method of injection mold containing conformal water channel |
| CN113547671A (en) * | 2021-06-23 | 2021-10-26 | 广州晶品智能压塑科技股份有限公司 | Die set |
| WO2023024052A1 (en) * | 2021-08-27 | 2023-03-02 | Siemens Industry Software Inc. | Construction of conformal cooling channels for injection mold designs |
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| CN105128227A (en) * | 2015-10-19 | 2015-12-09 | 西安智拓精密焊接科技有限公司 | 3D precision shaping method of conformal cooling structure of injection mold |
| CN208215886U (en) * | 2018-05-09 | 2018-12-11 | 苏州华纳精密模具有限公司 | A kind of water route containing conformal cooling mold cores mold insert |
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2018
- 2018-05-09 CN CN201810436783.6A patent/CN108407222A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105128227A (en) * | 2015-10-19 | 2015-12-09 | 西安智拓精密焊接科技有限公司 | 3D precision shaping method of conformal cooling structure of injection mold |
| CN208215886U (en) * | 2018-05-09 | 2018-12-11 | 苏州华纳精密模具有限公司 | A kind of water route containing conformal cooling mold cores mold insert |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774086A (en) * | 2019-03-29 | 2019-05-21 | 宁波语方模塑有限公司 | A kind of production method of the profile-followed water circuit system and its lower mold core of plastic impeller mold |
| CN110355361A (en) * | 2019-06-24 | 2019-10-22 | 共享智能铸造产业创新中心有限公司 | The design method of mold coolant flow channel |
| CN110355361B (en) * | 2019-06-24 | 2021-12-21 | 共享智能铸造产业创新中心有限公司 | Design method of mold cooling runner |
| CN111941749A (en) * | 2020-08-05 | 2020-11-17 | 江苏沂人智能制造科技有限公司 | Novel 3D printing conformal cooling water path mold and machining method |
| CN112404395A (en) * | 2020-10-10 | 2021-02-26 | 浙江华朔科技股份有限公司 | Cooling method of new energy automobile motor shell die-casting die |
| CN112404395B (en) * | 2020-10-10 | 2022-01-04 | 浙江华朔科技股份有限公司 | Cooling method of new energy automobile motor shell die-casting die |
| CN113547671A (en) * | 2021-06-23 | 2021-10-26 | 广州晶品智能压塑科技股份有限公司 | Die set |
| CN113246344A (en) * | 2021-06-28 | 2021-08-13 | 上海应用技术大学 | Preparation method of injection mold containing conformal water channel |
| WO2023024052A1 (en) * | 2021-08-27 | 2023-03-02 | Siemens Industry Software Inc. | Construction of conformal cooling channels for injection mold designs |
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