CN110450355A - The Multicarity injection mold of anisotropy magnet - Google Patents
The Multicarity injection mold of anisotropy magnet Download PDFInfo
- Publication number
- CN110450355A CN110450355A CN201910753091.9A CN201910753091A CN110450355A CN 110450355 A CN110450355 A CN 110450355A CN 201910753091 A CN201910753091 A CN 201910753091A CN 110450355 A CN110450355 A CN 110450355A
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- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 238000001746 injection moulding Methods 0.000 claims abstract description 56
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 26
- 208000015943 Coeliac disease Diseases 0.000 claims description 6
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 208000002925 dental caries Diseases 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
-
- 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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
- B29C45/322—Runner systems for distributing the moulding material to the stacked mould cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C2045/4094—Ejectors located on the fixed mould half
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/20—Inserts
- B29K2105/203—Magnetic parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/08—Transition metals
- B29K2705/12—Iron
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of Multicarity injection mold of anisotropy magnet, which includes mold rack, which is provided with dynamic model component, quiet membrane module and demoulding mechanism, and it is connected with injection molding machine;Dynamic model component is equipped with the multiple moving-mould-cores that can be molded multiple magnetic products simultaneously;Quiet membrane module is equipped with multiple quiet mold cores, and multiple quiet mold cores are corresponding with the position of the multiple moving-mould-core, forms multiple injection molding cavitys that can be molded multiple magnetic products simultaneously, orientation magnet is equipped in quiet mold core;Demoulding mechanism, setting is connected in mold rack lower part, and with injection molding machine, and the demoulding mechanism is connected with multiple quiet mold cores of quiet membrane module;When injection molded magnets; injection molding machine will heat, the raw material after pressurization is injected through the injection hole at the top of mold rack; multiple moving-mould-cores through dynamic model component enter injection molding in multiple quiet mold cores of quiet membrane module; after the completion of injection molding; dynamic model component is moved up and is mutually separated with quiet membrane module, while being started demoulding mechanism and being released the magnet of injection formed.
Description
[technical field]
The present invention relates to magnets to make mold, can make simultaneously each of multiple magnets by a mold more particularly to a kind of
The Multicarity injection mold of anisotropy magnet.
[background technique]
In electronics, electrical, communication, integrated circuit, automatic control, computer and information, the energy, biology, space technology
Various magnetic devices are widely applied in equal fields.And in the processing and fabricating of magnetic device, it is multiple particularly with thin-walled, shape
Miscellaneous, radial oriented, high-precision magnetic device mostly uses greatly injection molding technology, the high, production efficiency with stock utilization
The features such as high, meet electronic component miniaturization, lightweight, Composite, high efficiency, the development trend of energy-saving, thus by
Extensive concern.However, mostly using the mode of one product of a mold, i.e. one set of die greatly only in existing ejection forming method
It can be molded a product, this greatly reduces the utilization rates of production efficiency and mold, have production efficiency low, and cost of manufacture is high
Etc. obvious shortcomings.In addition, existing magnetic device is in the production process, magnetic field orientating mostly uses electromagnet to be orientated greatly, and electric
The stability of magnetic field of magnets is relatively poor, and can occupy larger space.
[summary of the invention]
Present invention seek to address that the above problem, and provide a kind of suitable for mass production and suitable for making complex-shaped magnetic
Body, high production efficiency can be easily made anisotropy magnet, it can be achieved that radially, axially magnetize, manufactured magnet high mechanical strength,
Impact resistance, it is non-breakable, it is not likely to produce defect, the more of the anisotropy magnet of production, carrying and breakage when assembled can be reduced
Cavity injection mold.
To achieve the above object, the present invention provides a kind of Multicarity injection mold of anisotropy magnet, Multicarity note
Mould includes:
Mold rack which is provided with dynamic model component, quiet membrane module and demoulding mechanism, and it is connected with injection molding machine;
Dynamic model component can move up and down in mold rack, which is equipped with can be molded multiple magnetic productions simultaneously
Multiple moving-mould-cores of product;
Quiet membrane module, is fixed in mold rack, the quiet membrane module be equipped with multiple quiet mold cores, the multiple quiet mold core with
The position of the multiple moving-mould-core is corresponding, forms multiple injection molding cavitys that can be molded multiple magnetic products simultaneously, multiple quiet moulds
In-core is respectively equipped with orientation magnet;
Demoulding mechanism, setting are connected in mold rack lower part, and with injection molding machine, and the demoulding mechanism and quiet membrane module
Multiple quiet mold cores are connected;
When injection molded magnets, injection molding machine will be heated, the raw material after pressurization is injected through the injection hole at the top of mold rack, through dynamic model group
Multiple moving-mould-cores of part enter injection molding in multiple quiet mold cores of quiet membrane module, and after the completion of injection molding, dynamic model component is moved up
And it is mutually separated with quiet membrane module, while starting demoulding mechanism and releasing the magnet of injection formed.
Mold rack includes bottom plate, supporting block, top plate, the first push plate and guide post, the top plate, the first push plate and dynamic model component
From top to bottom be movably connected on four guide posts, the top plate be equipped with injection hole, the bottom plate be set to mold rack bottom, two
Supporting block is symmetrically fixed on bottom plate top.
Dynamic model component includes multiple moving-mould-cores, moving template and fluid distributing board, and the moving template is actively socketed on four and leads
On column, and be connected by screw with top plate, the upper and lower part center of moving template be respectively equipped with a fluid distributing board accommodating hole and
Multiple moving-mould-core accommodating holes, the fluid distributing board are embedded in the fluid distributing board accommodating hole, multiple moving-mould-cores point
It is not embedded in the moving-mould-core accommodating hole, which can move up and down under the first push plate of mold rack drive, and first pushes away
Plate is then connected with injection molding machine.
The fluid distributing board is equipped with multiple vertical-sprues identical with the injection molding quantity of cavity, is molded fluid through multiple
Vertical-sprue is evenly distributed to multiple moving-mould-cores.
The moving-mould-core is embedded in the moving-mould-core accommodating hole, and solid with screw and the fluid distributing board in portion disposed thereon
It is fixed, the injecting hole passed through for fluid is equipped in moving-mould-core center.
Quiet membrane module includes multiple quiet mold cores, quiet template, multiple quiet mould mold inserts and elbow-board, wherein the quiet template is solid
It is scheduled on the supporting block top of the mold rack, which is provided with multiple quiet mold core accommodating holes and elbow-board accommodating hole, the quiet mold core
Be respectively embedded into the quiet mold core accommodating hole and elbow-board accommodating hole with elbow-board, multiple quiet mold core tops be respectively provided with one it is quiet
Mould mold insert accommodating hole, the multiple quiet mould mold insert are respectively charged into each quiet mould mold insert accommodating hole.
Quiet mold core center is equipped with centre bore, is evenly equipped on the inner peripheral surface of the centre bore multiple for accommodating orientation magnet
Scalloped recess is respectively equipped with an orientation magnet, the ear mount equipped with evagination on the outside of quiet mold core upper end, the ear mount spiral shell in each groove
Nail is fixed with quiet template, and the quiet mould mold insert is the disklike body made of non-magnet material, and upside is equipped with and injection molded magnets
The identical injection molding groove of shape.
The orientation magnet is sintered Nd-Fe-B permanent magnet, for fan-shaped packaged body, the quantity of the groove of dress orientation magnet
It is identical as the quantity of injection molded magnets end face magnetic pole.
Demoulding mechanism includes fixed plate, the second push plate, support column, quiet core rod and ejector sleeve, wherein the support column lower end
It is fixed on the bottom plate center of mold rack, the fixed sleeve-board on the support columns, and is fixed with the bottom plate of mold rack, and described second pushes away
Plate is movably set on the support column above the first push plate, and can be moved up and down under injection molding machine drive, is pushed away in fixed plate, second
Core bar hole is provided in the quiet template of plate and quiet membrane module, the quiet core rod is placed through in core bar hole, and lower end is fixed on mold
On the bottom plate of frame, the upper end extends to quiet template upper surface, is socketed with outside the quiet core rod and releases pushing away for injection molded magnets
Pipe, the ejector sleeve lower end are positioned at the second push plate bottom by end cap, and ejector sleeve upper end extends to the portion of quiet mould mold insert.
It is respectively provided with four moving-mould-cores and four quiet mold cores on the dynamic model component and quiet membrane module, four moving-mould-cores and four
Quiet mold core is combined to form the injection molding cavity that can be molded four magnetic products simultaneously.
Contribution of the invention is, effectively overcomes that prior art mold structure is single, and production efficiency is low, at high cost etc.
Problem.Mold for making magnet ring of the invention has multi-cavity structure, can realize the mass production of a multi-cavity mold, raw
Efficiency is produced to greatly improve.Orientation magnet of the invention is sintered Nd-Fe-B permanent magnet, is dexterously integrated with mold design, can
Alignment magnetic field is provided for injection molded magnets, there is stable magnetic field, occupy little space, the features such as mold design is simple.The present invention easily makes
The magnet of standby complicated shape, so that magnet design has compared with high-freedom degree.The magnet greater homogeneity that the present invention makes, mechanical strength
Height, impact resistance is non-breakable, is not likely to produce defect, can reduce production, carrying and breakage when assembled.The present invention can be to injection molding
Magnet is axially or radially magnetized, and can be easily made anisotropy magnet.
[Detailed description of the invention]
Fig. 1 is overall structure stereoscopic schematic diagram of the invention.
Fig. 2 is overall structure cross-sectional view of the invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is overall structure component exploded perspective schematic diagram of the invention.
Fig. 5 is dynamic model modular construction stereoscopic schematic diagram of the invention.
Fig. 6 is quiet membrane module structural upright schematic diagram of the invention.
[specific embodiment]
The following example is further explanation of the present invention, is not limited in any way to the present invention.
The Multicarity injection mold of anisotropy magnet of the invention includes mold rack 10, dynamic model component 20, quiet membrane module
30, demoulding mechanism 40 and orientation magnet 50.The present invention is described in more detail with reference to the accompanying drawings and embodiments.
The mold rack 10 is support and the connecting elements of each component of mold, is from top to bottom successively set in the mold rack 10
There are dynamic model component 20, quiet membrane module 30 and demoulding mechanism 40, and it is connected with injection molding machine.Specifically, as shown in Figure 1 to 4,
The mold rack 10 includes bottom plate 12, supporting block 13, top plate 14, the first push plate 15 and guide post 16.Wherein, the top plate 14,
It is respectively provided with a guide pillar hole 141 at nearly four angles on the moving template 22 of one push plate 15 and dynamic model component, in four guide pillar holes 141
A guide post 16 is respectively placed, the moving template 22 of the top plate 14, the first push plate 15 and dynamic model component from top to bottom pivot bush unit
On four guide posts 16.Injection hole 11 is equipped on top plate 14, the injection hole 11 and external injection molding machine (not shown) connect
It connects, thus mouth injects injection molding fluid.The bottom plate 12 is set to 10 bottom of mold rack, cuboid supporting block made of two metals
13 are symmetrically fixed at 12 top proximal edge of bottom plate.First push plate 15 is connect with external injection molding machine, for pushing dynamic model group
Part 20 moves up and down.
10 top of mold rack be equipped with dynamic model component 20, can be moved up and down in mold rack 10, and with quiet membrane module 30
Cooperate and is molded.As shown in fig. 1~fig. 5, the dynamic model component 20 includes multiple moving-mould-cores 21, moving template 22 and fluid point
Matching board 23.The moving template 22 is in rectangle, is actively socketed on four guide posts 16, and is connected by screw with top plate 14.
It is equipped with fluid distributing board accommodating hole 221 in the center upper portion of moving template 22, is equipped in the lower part of fluid distributing board accommodating hole 221 more
A moving-mould-core accommodating hole 222.The fluid distributing board 23 is embedded in the fluid distributing board accommodating hole 221, the fluid distributing board
23 are equipped with multiple vertical-sprues 231, and the quantity of runner 231 is identical as the injection molding quantity of cavity, in the present embodiment, in fluid point
It is set on matching board 23 there are four runner 231, injection molding fluid is evenly distributed in four moving-mould-cores 21 through four vertical-sprues 231.This
In embodiment, set on moving template 22 there are four moving-mould-core 21, which is disklike body, and four moving-mould-cores 21 are distinguished embedding
Enter in the moving-mould-core accommodating hole 222, and fixed with screw and the fluid distributing board 23 in portion disposed thereon, in 21 center of moving-mould-core
Equipped with the injecting hole 211 passed through for fluid.The dynamic model component 20 can move up and down under the first push plate 15 of mold rack drive.
It is located at 20 lower part of dynamic model component in mold rack 10 and is equipped with quiet membrane module 30, the quiet membrane module 30 is in mold rack 10
Position be fixed, and four quiet membrane modules 30 are corresponding with the position of four moving-mould-cores 21.As shown in Fig. 1~Fig. 6,
In the present embodiment, which includes four quiet mold cores 31,32, four quiet mould mold inserts 33 of quiet template and elbow-board 34.Its
In, the quiet template 32 is screwed the moving-mould-core 21 on 13 top of supporting block of the mold rack, with the dynamic model component
It is corresponding, in the present embodiment, set in quiet template 32 there are four quiet mold core accommodating hole 321 and an elbow-board accommodating hole 322, institute
Four quiet mold cores 31 are stated to be respectively embedded into described four quiet mold core accommodating holes 321.This four quiet mold cores 31 are cylindrical body, by non-
Permeability magnetic material is made, and four quiet mold cores 31 are positioned by the positioning protrusion of outer surface and quiet template 32.Outside quiet 31 upper end of mold core
Side is equipped with the ear mount 313 of evagination, and the ear mount 313 screw and quiet template 32 are fixed.31 center of quiet mold core is equipped with centre bore
311, multiple axial scalloped recess 312, the quantity and injection molding of the groove 312 are evenly equipped on the inner peripheral surface of the centre bore 311
The quantity of magnet end face magnetic pole is identical.One orientation magnet 50 is respectively housed in each groove 312, which is sintering
Nd-Fe-B permanent magnet, for fan-shaped packaged body, which is consistent with the distribution of injection molded magnets magnetic pole, and its magnetic direction and fan-shaped surface
Normal parallel can provide enough and stable alignment magnetic fields.A quiet mould mold insert is respectively provided on four quiet 31 tops of mold core to hold
Hole 312 is set, the quiet mould mold insert 33 is packed into quiet mould mold insert accommodating hole 312, which is made of non-magnet material
Disklike body, upside be provided with injection molding groove 331 identical with injection molded magnets shape.In the present embodiment, the magnet that is molded
For magnet ring, therefore, in injection molding groove 331 in be equipped with it is convex to concordant with quiet mould mold insert upper surface short by 331 bottom of groove
Column, for being centrally formed centre bore in injection molded magnets, injection molded magnets injection molding in the injection molding groove 331 forms intermediate open
The magnet ring in hole.The elbow-board 34 is embedded in the elbow-board accommodating hole 312.
As shown in Fig. 2, injection molding when, when 20 downlink of dynamic model component in place when, four moving-mould-cores 21 and four quiet mold cores 31 are right
It closes, forms four injection molding cavitys that can be molded four magnetic products simultaneously.
10 lower part of mold rack be equipped with demoulding mechanism 40, be connected with external injection molding machine, and the demoulding mechanism 40 with it is quiet
Multiple quiet mold cores 31 of membrane module are connected, and the magnet for injection molding will to be completed is released.As shown in Figure 2, Figure 4 shows, the demoulding
Mechanism 40 includes fixed plate 41, the second push plate 42, support column 43, quiet core rod 44 and ejector sleeve 45.43 lower end of support column is solid
It is scheduled on 12 center of bottom plate of mold rack, 41 sets of the fixed plate is fixed on support column 43, and with the bottom plate of mold rack 12.It is described
Second push plate 42 is movably set on the support column 43 above the first push plate, and can be moved up and down under injection molding machine drive.Solid
Core bar hole 46 is provided in the quiet template 32 of fixed board 41, the second push plate 42 and quiet membrane module, the quiet core rod 44 is placed through core bar
In hole 46, lower end is fixed on the bottom plate 12 of mold rack, and the upper end extends to quiet 32 upper surface of template.In the quiet core rod 44
Outside is socketed with ejector sleeve 45, is used to release injection molded magnets, which is positioned at 42 bottom of the second push plate by end cap,
45 upper end of ejector sleeve extends to 331 bottom of injection molding groove of quiet mould mold insert.After the completion of magnet injection molding, injection molding machine drives the second push plate
42 move up, and push ejector sleeve 45 to move up while the second push plate 42 moves up, the magnet of injection formed is inlayed by quiet mould
It is released in the injection molding groove 331 of part.
Refering to Fig. 2, Fig. 4, the Multicarity injection mold of anisotropy magnet of the invention is in injection molded magnets, by injection molding machine
The raw material of production magnet ring after heating, pressurization is injected through the injection hole 11 at the top of mold rack 10, raw material through dynamic model component four
A moving-mould-core 21 enters injection molding in the injection molding groove 331 of the quiet mould mold insert of four quiet mold cores of quiet membrane module.Injection molding is completed
And after cooling down, dynamic model component 20 is moved up by injection molding machine promotion and is separated with quiet 30 phase of membrane module, while starting demoulding mechanism
40 move up and release the magnet of injection formed 60 by quiet mold core 31, and one time injection cycle is completed.
Take this, the present invention can be molded the dynamic model component and quiet membrane module of multiple magnets by setting simultaneously, so that the mold
The injection molding of multiple magnets can be once completed, thus production efficiency can be greatlyd improve and reduce cost of manufacture, and pass through the mold
The magnet excellent combination property of production.
Although being disclosed by above embodiments to the present invention, scope of protection of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, deformation, the replacement etc. done to above each component will fall into right of the invention
In claimed range.
Claims (10)
1. a kind of Multicarity injection mold of anisotropy magnet, which is characterized in that the Multicarity injection mold includes:
Mold rack (10) which is provided with dynamic model component (20), quiet membrane module (30) and demoulding mechanism (40), and itself and injection molding machine phase
Connection;
Dynamic model component (20) can move up and down on mold rack (10), and the dynamic model component (20) is more equipped with that can be molded simultaneously
Multiple moving-mould-cores (21) of a magnetic product;
Quiet membrane module (30), is fixed on mold rack (10), which is equipped with multiple quiet mold cores (31), described
Multiple quiet mold cores (31) are corresponding with the position of the multiple moving-mould-core (21), and formation is multiple can be molded multiple magnetic products simultaneously
Injection molding cavity, orientation magnet (50) is respectively equipped in multiple quiet mold cores (31);
Demoulding mechanism (40) is arranged in mold rack (10) lower part, and is connected with injection molding machine, and the demoulding mechanism (40) with it is quiet
Multiple quiet mold cores (31) of membrane module are connected;
When injection molded magnets, injection molding machine will be heated, the raw material after pressurization is injected through the injection hole (11) at the top of mold rack (10), through dynamic
Multiple moving-mould-cores (21) of membrane module enter the interior injection molding of multiple quiet mold cores (31) of quiet membrane module, after the completion of injection molding, dynamic model
Component (20) is moved up and is mutually separated with quiet membrane module (30), at the same start demoulding mechanism (40) and by the magnet of injection formed
(60) it releases.
2. the Multicarity injection mold of anisotropy magnet as described in claim 1, which is characterized in that the mold rack (10)
Including bottom plate (12), supporting block (13), top plate (14), the first push plate (15) and guide post (16), the top plate (14), the first push plate
(15) and dynamic model component (20) is from top to bottom movably connected on four guide posts (16), and the top plate (14) is equipped with injection hole
(11), the bottom plate (12) is set to mold rack (10) bottom, and two supporting blocks (13) are symmetrically fixed on bottom plate (12) top.
3. the Multicarity injection mold of anisotropy magnet as claimed in claim 2, which is characterized in that the dynamic model component
It (20) include multiple moving-mould-cores (21), moving template (22) and fluid distributing board (23), the moving template (22) is actively socketed on four
On root guide post (16), and it is connected by screw with top plate (14), the upper and lower part center of moving template (22) is respectively equipped with a stream
Body distribution plate accommodating hole (221) and multiple moving-mould-core accommodating holes (222), the fluid distributing board (23) are embedded in the fluid distribution
In plate accommodating hole (221), multiple moving-mould-cores (21) are respectively embedded into the moving-mould-core accommodating hole (222), the dynamic model group
Part (20) can move up and down under the first push plate (15) of mold rack drive, and the first push plate (15) is then connected with injection molding machine.
4. the Multicarity injection mold of anisotropy magnet as claimed in claim 3, which is characterized in that the fluid distributing board
(23) multiple vertical-sprues (231) identical with the injection molding quantity of cavity are equipped with, are molded fluid through multiple vertical-sprues (231)
It is evenly distributed to multiple moving-mould-cores (21).
5. the Multicarity injection mold of anisotropy magnet as claimed in claim 3, which is characterized in that the moving-mould-core (21)
It is embedded in the moving-mould-core accommodating hole (222), and fixed with screw and the fluid distributing board (23) in portion disposed thereon, in moving-mould-core
(21) center is equipped with the injecting hole (211) passed through for fluid.
6. the Multicarity injection mold of anisotropy magnet as claimed in claim 2, which is characterized in that the quiet membrane module
It (30) include multiple quiet mold cores (31), quiet template (32), multiple quiet mould mold inserts (33) and elbow-board (34), wherein the quiet mould
Plate (32) is fixed on supporting block (13) top of the mold rack, which is provided with multiple quiet mold core accommodating holes (321) and elbow-board
Accommodating hole (322), the quiet mold core (31) and elbow-board (34) are respectively embedded into the quiet mold core accommodating hole (321) and elbow-board holds
It sets in hole (322), is respectively provided with a quiet mould mold insert accommodating hole (312), the multiple quiet mould edge on multiple quiet mold core (31) tops
Part (33) is respectively charged into each quiet mould mold insert accommodating hole (312).
7. the Multicarity injection mold of anisotropy magnet as claimed in claim 6, which is characterized in that the quiet mold core (31)
Center is equipped with centre bore (311), is evenly equipped on the inner peripheral surface of the centre bore (311) multiple for accommodating the sector of orientation magnet
Groove (312), each groove (312) is interior to be respectively equipped with an orientation magnet (50), is equipped with evagination on the outside of quiet mold core (31) upper end
Ear mount (313), the ear mount (313) screw and quiet template (32) are fixed, and the quiet mould mold insert (33) is by non-magnet material system
At disklike body, upside be equipped with injection molding groove (331) identical with injection molded magnets shape.
8. the Multicarity injection mold of anisotropy magnet as claimed in claim 7, which is characterized in that the orientation magnet
It (50) is sintered Nd-Fe-B permanent magnet, for fan-shaped packaged body, the quantity and injecting magnetic body end of the groove (312) of dress orientation magnet
The quantity of face magnetic pole is identical.
9. the Multicarity injection mold of anisotropy magnet as claimed in claim 6, which is characterized in that the demoulding mechanism
It (40) include fixed plate (41), the second push plate (42), support column (43), quiet core rod (44) and ejector sleeve (45), wherein the branch
Dagger (43) lower end is fixed on bottom plate (12) center of mold rack, and the fixed plate (41) covers on support column (43), and and mould
The bottom plate (12) for having frame is fixed, and second push plate (42) is movably set on the support column above the first push plate (43), and can
It moves up and down under injection molding machine drive, is provided in the quiet template (32) of fixed plate (41), the second push plate (42) and quiet membrane module
Core bar hole (46), the quiet core rod (44) are placed through in core bar hole (46), and lower end is fixed on the bottom plate (12) of mold rack,
The upper end extends to quiet template (32) upper surface, and the ejector sleeve for releasing injection molded magnets is socketed with outside the quiet core rod (44)
(45), which is positioned at the second push plate (42) bottom by end cap, and ejector sleeve (45) upper end extends to quiet mould mold insert
Portion.
10. the Multicarity injection mold of the anisotropy magnet as described in any bar in claim 1 to 9, which is characterized in that institute
It states and is respectively provided with four moving-mould-cores (21) and four quiet mold cores (31), four moving-mould-cores on dynamic model component (20) and quiet membrane module (30)
(21) the injection molding cavity that can be molded four magnetic products simultaneously is combined to form with four quiet mold cores (31).
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CN201910753091.9A CN110450355A (en) | 2019-08-15 | 2019-08-15 | The Multicarity injection mold of anisotropy magnet |
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CN201910753091.9A CN110450355A (en) | 2019-08-15 | 2019-08-15 | The Multicarity injection mold of anisotropy magnet |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110931236A (en) * | 2019-11-20 | 2020-03-27 | 杭州科德磁业有限公司 | Injection molding anisotropic bonding neodymium iron boron magnetic tile radiation orientation forming method and device |
CN113001875A (en) * | 2021-02-03 | 2021-06-22 | 江苏远祥新材料有限公司 | Intelligent production equipment and production process for composite plastic square column |
CN114193701A (en) * | 2021-11-30 | 2022-03-18 | 珠海市英诚电子科技有限公司 | Production method and production system of mesh cloth filtering assembly |
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CN103903850A (en) * | 2013-12-29 | 2014-07-02 | 上海爱普生磁性器件有限公司 | Anisotropic magnet radial orienting device |
CN204160687U (en) * | 2014-09-05 | 2015-02-18 | 杭州普门磁性器件有限公司 | NdFeB material Lijection orientation machine |
CN211194786U (en) * | 2019-08-15 | 2020-08-07 | 东莞市海天磁业股份有限公司 | Multi-cavity injection mold for anisotropic magnet |
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CN103903850A (en) * | 2013-12-29 | 2014-07-02 | 上海爱普生磁性器件有限公司 | Anisotropic magnet radial orienting device |
CN204160687U (en) * | 2014-09-05 | 2015-02-18 | 杭州普门磁性器件有限公司 | NdFeB material Lijection orientation machine |
CN211194786U (en) * | 2019-08-15 | 2020-08-07 | 东莞市海天磁业股份有限公司 | Multi-cavity injection mold for anisotropic magnet |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110931236A (en) * | 2019-11-20 | 2020-03-27 | 杭州科德磁业有限公司 | Injection molding anisotropic bonding neodymium iron boron magnetic tile radiation orientation forming method and device |
CN110931236B (en) * | 2019-11-20 | 2021-07-13 | 杭州科德磁业有限公司 | Injection molding anisotropic bonding neodymium iron boron magnetic tile radiation orientation forming method and device |
CN113001875A (en) * | 2021-02-03 | 2021-06-22 | 江苏远祥新材料有限公司 | Intelligent production equipment and production process for composite plastic square column |
CN114193701A (en) * | 2021-11-30 | 2022-03-18 | 珠海市英诚电子科技有限公司 | Production method and production system of mesh cloth filtering assembly |
CN114193701B (en) * | 2021-11-30 | 2024-02-20 | 珠海市英诚电子科技有限公司 | Production method and production system of mesh cloth filter assembly |
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