CN105014868B - Insert-positioning device in a kind of magnet rotor injection - Google Patents
Insert-positioning device in a kind of magnet rotor injection Download PDFInfo
- Publication number
- CN105014868B CN105014868B CN201510427846.8A CN201510427846A CN105014868B CN 105014868 B CN105014868 B CN 105014868B CN 201510427846 A CN201510427846 A CN 201510427846A CN 105014868 B CN105014868 B CN 105014868B
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- Prior art keywords
- mold insert
- iron core
- injection
- core
- core mold
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- 238000002347 injection Methods 0.000 title claims abstract description 51
- 239000007924 injection Substances 0.000 title claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 73
- 230000000694 effects Effects 0.000 claims abstract description 32
- 238000001746 injection moulding Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000012778 molding material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 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
- B29C45/14—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
- B29C45/2602—Mould construction elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses insert-positioning device in a kind of injection of magnet rotor, including moving platen, solid plate, core, core fixed cover, die cavity, die cavity briquetting, runner plate, injecting magnetic rotor cavity, cast gate, iron core mold insert, activity orientation core, injection pipe material, runner.During injection, the pressure itself that the flow passage process of input is provided using runner promotes activity orientation core to compress iron core mold insert downwards, iron core mold insert is made to be fixed in injecting magnetic rotor cavity, then poured into and be molded by cast gate, after injection molding, control runner flowing pressure no longer releases activity orientation core, and activity orientation core no longer compresses iron core mold insert, the injection magnet rotor for inlaying cored mold insert is extracted out from injecting magnetic rotor die cavity, you can form injection magnet rotor finished product.This arrangement simplifies complicated structure, it instead of the frame mode that traditional spring downward iron core mold insert is pressed into injecting magnetic rotor-type lumen type intracavitary, it is ensured that the abundance of lower surging, make iron core mold insert consolidate very much.
Description
Technical field
Needed the present invention relates to a kind of technical field of positioner, more particularly to one kind when producing magnet rotor moulding
The pressure of itself promotes activity orientation core to compress interior inlay downwards during being positioned to its interior mold insert and utilizing flow passage
Part, prevent because the pressure of internal mold insert is too small and produce displacement or ejection magnet rotor injection in insert-positioning device.
Background technology
At present, injection magnet rotor product process in, it is necessary to magnet rotor carry out injection molding, in injection moulding process, it is necessary to
In iron core mold insert press-in injecting magnetic rotor cavity, iron core mold insert is embedded in injection magnet rotor and forms integral knot after injection
Structure.Existing traditional method is, using the downward pressure of spring, iron core mold insert to be pressed into injecting magnetic rotor cavity, but by
The channel space being pressed into spring in iron core mold insert is narrow, only several microns, and spring must select very thin structure, but too small
There is the problem of dynamics is not enough in the spring force that spring possesses, it is difficult to compress iron core mold insert that the dynamics deficiency of spring, which is, but existing again
Also the use of spring can be replaced in technology without any new construction or mode.Therefore, it is existing to use traditional spring downward
Mode can frequently result in the problems such as displacement of the iron core mold insert in injection moulding process, ejection, the injection magnet rotor product manufactured
Scrappage also very high enterprise.In addition, the compression for iron core mold insert is can not to be mainly using the frame mode resisted stubbornly, reason
Because the thickness of iron core mold insert is difficult to ensure that unification, there is about 0.1mm deviation between part and part, so can not be with resisting stubbornly
Frame mode, it is necessary to be designed with the mode of the soft movable adjustment in top.Although, also it has been proposed that being fixed using some auxiliary
The fixation of iron core mold insert is strengthened in the use of device combination spring, but because the structure of auxiliary fixing device is complex, it is shared
There is structure space larger, be unfavorable for being molded the Shooting Technique of magnet rotor, do not have use on a large scale yet.
The content of the invention
The invention aims to the shortcoming for overcoming above-mentioned prior art, there is provided mold insert positioning in a kind of injection of magnet rotor
Insert-positioning device is that the pressure of itself compresses downwards iron core mold insert during utilizing flow passage in device, magnet rotor injection
Mode replace traditional spring downward mode, it is ensured that with enough lower surgings, prevent the displacement of iron core mold insert, make iron core
Mold insert is firmly mounted in injecting magnetic rotor cavity very much；Its runner flowpath pressure promotes activity orientation core to compress iron core edge
Part, the tiny design of the lower pressure side of activity orientation core also complies with the narrow space design for being pressed down insertion passage of iron core mold insert,
Its injection operation handy and safe, volume miniaturization, it is simple in construction, be easily molded into the high injection magnet rotor of qualification rate into
Product, with very high production efficiency and market prospects.
The technical solution adopted for the present invention to solve the technical problems is：Insert-positioning device in a kind of magnet rotor injection,
Coordinate including moving platen and with it and integrally formed core is installed in close-connected solid plate, moving platen, the upper end of core
Protrusion moving platen is outer and penetrates in solid plate, provided with the core fixed cover for entangling core in moving platen, and die cavity is provided with solid plate,
The upper end of core is placed in die cavity, and die cavity both sides are respectively provided with the die cavity briquetting of fixed die cavity；Install at the top of solid plate
There is runner plate, the upper end of core is provided with injecting magnetic rotor cavity, and runner plate is provided with to be connected simultaneously with injection rotor cavity
Input injection molding material, which enters to be molded to be provided with the top of the injection pipe material in rotor cavity, die cavity, to be located at the top of injecting magnetic rotor cavity
Cast gate, cored mold insert is inlayed in injecting magnetic rotor cavity, runner plate is provided with correspondence iron core mold insert and allows that iron core is inlayed
Part is embedded in the positioning hole in injecting magnetic rotor cavity through runner plate, is provided with and is pushed away using flow passage pressure through positioning hole
Dynamic suppressing action simultaneously pushes the activity orientation core for compressing iron core mold insert, and positioning hole is communicated with runner plate and provides runner stream
The runner of dynamic pressure.Moving platen is fitted close the production for being molded magnet rotor finished product with solid plate, and core fixed cover is used for
The fixed core that entangles makes core stable, and die cavity briquetting, which is equally used for fixing die cavity, makes it consolidate, and during injection, is provided using runner
The pressure itself of the flow passage process of input promotes activity orientation core to compress iron core mold insert downwards, makes iron core mold insert be fixed on note
In plastic magnetic rotor cavity, then poured into and be molded by cast gate, after injection molding, control runner flowing pressure is no longer released
Activity orientation core, activity orientation core no longer compresses iron core mold insert, and activity orientation core is extracted out from iron core mold insert, finally inlaying
The injection magnet rotor of cored mold insert is extracted out from injecting magnetic rotor die cavity, you can form injection magnet rotor finished product.The structure
Injection moulding process is simple, simplifies the structure of complexity, also instead of traditional spring downward iron core mold insert press-in injecting magnetic rotor-type
The frame mode of lumen type intracavitary, it is not only simple but also easy to operate, while ensure that the abundance of lower surging, make iron core mold insert very steady
Gu.
Further, the runner is provided with a flow passage pressure output correspondence positioning hole and utilizes runner stream power
Under be pressed on activity orientation core in positioning hole.The flow passage pressure output of runner exports enough runner runner pressures
Under, and consolidated very much between each part, also order injection magnet rotor firmly coordinates in injection moulding process in core installs, and is molded into
Injection magnet rotor finished product after type is also very easy to take out.
Further, poured into cast gate in injection molding material to injecting magnetic rotor cavity and with flow passage pressure promotion activity
Locating core compresses downwards iron core mold insert, makes iron core mold insert be fixed in injecting magnetic rotor cavity and be tied in forming one after injection
The injection magnet rotor finished product of structure.
Further, described iron core mold insert is by the structure composition T shape that top is nahlock, bottom is cylinder, iron core edge
The top of part is provided with semi-enclosed upper groove from top to bottom, and the bottom of iron core mold insert is provided with semi-enclosed lower groove from bottom to top,
The interior simultaneously secured core mold insert of the lower groove of core top insertion, the lower pressure side of activity orientation core is inserted in upper groove and compresses iron core and inlays
Part is placed in injecting magnetic rotor cavity.The small volume of iron core mold insert, upper groove and lower groove are to fix to be used, and also make it
Injecting magnetic rotor-type intracavitary can be embedded in and into a single integrated structure injection magnet rotor is molded.
Further, a diameter of 2-2.5mm of described upper groove, the diameter dimension of the lower pressure side of activity orientation core with it is upper
The diameter dimension matching of groove.The narrow space of groove on this, is not suitable for being pushed with spring, because spring is small, dynamics is not
It is enough to compress iron core mold insert；And ensure that the pressure compressed downwards is sufficient by the way of flow passage pressure, it can guarantee that iron core is inlayed
The effect that part is fixed.
In summary, insert-positioning device is to utilize the pressure of itself during flow passage in magnet rotor of the invention injection
The mode that power compresses downwards iron core mold insert replaces traditional spring downward mode, it is ensured that with enough lower surgings, prevent iron
The displacement of core mold insert, makes iron core mold insert be firmly mounted to very much in injecting magnetic rotor cavity；Its runner flowpath pressure, which is promoted, lives
Dynamic locating core compresses iron core mold insert, and the tiny design of the lower pressure side of activity orientation core also complies with being pressed down for iron core mold insert and inserts logical
The narrow space design in road, its injection operation handy and safe, volume miniaturization is simple in construction, is easily molded into qualification rate pole
High injection magnet rotor finished product, with very high production efficiency and market prospects.
Brief description of the drawings
Fig. 1 is the section of structure of insert-positioning device in a kind of magnet rotor injection of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the injection magnet rotor finished product of the embodiment of the present invention 1；
Fig. 3 is the schematic diagram of the iron core mold insert of the embodiment of the present invention 1.
Embodiment
Embodiment 1
Insert-positioning device in a kind of magnet rotor injection described by the present embodiment 1, as shown in Figure 1, Figure 2, Fig. 3 including dynamic model
Plate 1 and coordinate with it integrally formed core 3 is installed in close-connected solid plate 2, moving platen, the upper end protrusion of core is dynamic
Template is outer and penetrates in solid plate, provided with the core fixed cover 4 for entangling core in moving platen, and die cavity 5, core are provided with solid plate
Upper end be placed in die cavity, die cavity both sides are respectively provided with the die cavity briquetting 6 of fixed die cavity；Stream is installed at the top of solid plate
Guidance tape 7, the upper end of core is provided with injecting magnetic rotor cavity, and runner plate, which is provided with, to be connected and input with injection rotor cavity
Injection molding material, which enters to be molded to be provided with the top of the injection pipe material 12 in rotor cavity, die cavity, to be located at the top of injecting magnetic rotor cavity
Cored mold insert 9 is inlayed in cast gate 8, injecting magnetic rotor cavity, runner plate is provided with correspondence iron core mold insert and allows that iron core is inlayed
Part is embedded in the positioning hole in injecting magnetic rotor cavity through runner plate, is provided with and is pushed away using flow passage pressure through positioning hole
Dynamic suppressing action simultaneously pushes the activity orientation core 10 for compressing iron core mold insert, and positioning hole is communicated with runner plate and provides runner
The runner 11 of flowing pressure.Moving platen is fitted close the production for being molded magnet rotor finished product, core fixed cover with solid plate
Make core stable for the fixed core that entangles, die cavity briquetting, which is equally used for fixing die cavity, makes it consolidate, and during injection, utilizes runner
The pressure itself for providing the flow passage process of input promotes activity orientation core to compress iron core mold insert downwards, makes iron core mold insert fix
In injecting magnetic rotor cavity, then poured into and be molded by cast gate, after injection molding, control runner flowing pressure is no longer
Activity orientation core is released, activity orientation core no longer compresses iron core mold insert, activity orientation core extracted out from iron core mold insert, finally handle
The injection magnet rotor for inlaying cored mold insert is extracted out from injecting magnetic rotor die cavity, you can form injection magnet rotor finished product 17.Should
The injection moulding process of structure is simple, simplifies the structure of complexity, also instead of traditional spring downward iron core mold insert press-in injecting magnetic
The frame mode of rotor-type lumen type intracavitary, it is not only simple but also easy to operate, while ensure that the abundance of lower surging, make iron core mold insert
Consolidate very much.
The runner is provided with flow passage pressure output 13 correspondence positioning hole and using being pressed under runner stream power
Activity orientation core in positioning hole.The flow passage pressure output of runner exports enough runner runner pressures, and each portion
Consolidated very much between part, also order injection magnet rotor firmly coordinates in injection moulding process in core installs, the note after injection molding
Plastic magnetic rotor finished product is also very easy to take out
Poured into cast gate in injection molding material to injecting magnetic rotor cavity and with flow passage pressure promote activity orientation core to
Lower compression iron core mold insert, makes iron core mold insert be fixed in injecting magnetic rotor cavity and in the injection for forming integrative-structure after injection
Magnet rotor finished product.
The iron core mold insert by the structure composition T shape that top is nahlock, bottom is cylinder, the top of iron core mold insert from upper and
Semi-enclosed upper groove 15 is had, the bottom of iron core mold insert is provided with semi-enclosed lower groove 16 from bottom to top, and core top is inserted
Enter in lower groove and secured core mold insert, the lower pressure side of activity orientation core, which is inserted in upper groove and compresses iron core mold insert, is placed in injection
In magnet rotor cavity.The small volume of iron core mold insert, upper groove and lower groove are to fix to be used, and also make it to be embedded in note
Plastic magnetic rotor die cavity is interior and is molded into a single integrated structure injection magnet rotor.
A diameter of 2-2.5mm of groove on this, the diameter dimension of the lower pressure side of activity orientation core and the diameter chi of upper groove
Very little matching.The narrow space of groove on this, is not suitable for being pushed with spring, because spring is small, and dynamics is not enough to compress iron core
Mold insert；And ensure that the pressure compressed downwards is sufficient by the way of flow passage pressure, it can guarantee that the effect that iron core mold insert is fixed.
The above described is only a preferred embodiment of the present invention, not making any formal to the structure of the present invention
Limitation.Any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (5)
1. insert-positioning device in a kind of magnet rotor injection, it is characterised in that coordinate close-connected including moving platen and with it
Integrally formed core is installed, the upper end protrusion moving platen of core is outer and penetrates in solid plate, dynamic model in solid plate, moving platen
Provided with the core fixed cover for entangling core in plate, die cavity is provided with solid plate, the upper end of core is placed in die cavity, die cavity both sides point
The die cavity briquetting for fixing die cavity She You be used for；Runner plate is installed, the upper end of core is provided with injecting magnetic at the top of solid plate
Rotor cavity, runner plate, which is provided with, to be connected and inputs with injection rotor cavity injection molding material and enter to be molded note in rotor cavity
It is provided with the cast gate being located at the top of injecting magnetic rotor cavity, injecting magnetic rotor cavity and is inlaid with the top of plastic conduit, die cavity
Iron core mold insert, runner plate is provided with correspondence iron core mold insert and allows that iron core mold insert is embedded in injecting magnetic rotor die cavity through runner plate
Internal positioning hole, the work for promoting suppressing action using flow passage pressure and pushing compression iron core mold insert is provided with through positioning hole
Dynamic locating core, positioning hole is communicated with runner plate and provides the runner of flow passage pressure.
2. insert-positioning device in a kind of magnet rotor injection according to claim 1, it is characterised in that the runner is set
There is a flow passage pressure output correspondence positioning hole and utilize the activity orientation core being pressed under runner stream power in positioning hole.
3. insert-positioning device in a kind of magnet rotor injection according to claim 2, it is characterised in that note is poured into cast gate
Promote activity orientation core to compress iron core mold insert downwards in plastics to injecting magnetic rotor cavity and with flow passage pressure, make iron core
Mold insert is fixed in injecting magnetic rotor cavity and in the injection magnet rotor finished product that integrative-structure is formed after injection.
4. insert-positioning device in a kind of magnet rotor injection according to claim 3, it is characterised in that described iron core edge
Part is provided with semi-enclosed from top to bottom by the structure composition T shape that top is nahlock, bottom is cylinder, the top of iron core mold insert
Groove, the bottom of iron core mold insert is provided with semi-enclosed lower groove, the lower groove of core top insertion and secured core from bottom to top
Mold insert, the lower pressure side of activity orientation core, which is inserted in upper groove and compresses iron core mold insert, to be placed in injecting magnetic rotor cavity.
5. insert-positioning device in a kind of magnet rotor injection according to claim 4, it is characterised in that described upper groove
A diameter of 2-2.5mm, the diameter dimension of the lower pressure side of activity orientation core matches with the diameter dimension of upper groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427846.8A CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427846.8A CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105014868A CN105014868A (en) | 2015-11-04 |
| CN105014868B true CN105014868B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427846.8A Active CN105014868B (en) | 2015-07-21 | 2015-07-21 | Insert-positioning device in a kind of magnet rotor injection |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690668B (en) * | 2016-03-31 | 2018-01-30 | 张家港倍恩特磁塑科技有限公司 | Direct current generator magnetic shoe Shockproof rotor mould |
| CN107053596A (en) * | 2016-12-02 | 2017-08-18 | 深圳市华冠五金模具有限公司 | A kind of pair of insulation rotor BMC integrally forming machine |
| DE102018214823A1 (en) * | 2018-08-31 | 2020-03-05 | Bayerische Motoren Werke Aktiengesellschaft | Injection mold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204894352U (en) * | 2015-07-21 | 2015-12-23 | 江门麦威电子科技有限公司 | Magnet rotor interior mold insert positioner that moulds plastics |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2537647B2 (en) * | 1987-11-30 | 1996-09-25 | 富士電気化学株式会社 | Mold for mold rotor |
| FI103023B (en) * | 1997-09-05 | 1999-04-15 | Tooler Oy | Method and arrangement for supporting the ends of a resistor wire with injection molded fabrication made of plastic pipe joint parts intended to be heat welded with electric current |
| CN101767411B (en) * | 2010-01-18 | 2013-06-19 | 漳州市科泰精密科技有限公司 | Device capable of automatically pushing capacitance shells to form |
| CN103448212B (en) * | 2013-09-03 | 2015-10-21 | 江苏建筑职业技术学院 | Precision rotor injection mold |
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2015
- 2015-07-21 CN CN201510427846.8A patent/CN105014868B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204894352U (en) * | 2015-07-21 | 2015-12-23 | 江门麦威电子科技有限公司 | Magnet rotor interior mold insert positioner that moulds plastics |
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