CN110435090A - A kind of plastic magnetic rotor injection mold - Google Patents
A kind of plastic magnetic rotor injection mold Download PDFInfo
- Publication number
- CN110435090A CN110435090A CN201910739953.2A CN201910739953A CN110435090A CN 110435090 A CN110435090 A CN 110435090A CN 201910739953 A CN201910739953 A CN 201910739953A CN 110435090 A CN110435090 A CN 110435090A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- runner
- water jacket
- cladding
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 13
- 239000007924 injection Substances 0.000 title claims abstract description 13
- 238000005253 cladding Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000002547 anomalous effect Effects 0.000 claims abstract description 6
- 102000010637 Aquaporins Human genes 0.000 claims description 14
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 108091006146 Channels Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material 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
- B29C45/17—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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- 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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection pressure is small, the plastic magnetic rotor injection mold of high yield rate, including bottom plate, push away cladding plate, push plate, lower die cladding plate, water jacket backing plate, lower template, top plate, lower mode is fixed in lower die cladding plate upper water sleeve plate, magnetic steel plate is fixed in water jacket plate, magnet steel lid is fixed on water jacket plate and magnetic steel plate, horizontal anomalous movement is equipped with cope plate in lower template, upper cores are fixed in cope plate, hot nozzle is fixed in upper cores, cope plate is equipped with runner plate, inner flow passage is equipped in runner plate, at least four runners are equipped in hot nozzle, main burner body is equipped in top plate, main burner body bottom connects with runner plate inner flow passage, cylinder is equipped in top plate, cylinder piston rod bottom is fixed with positioning ring, positioning ring lower surface is circumferentially with several valve core of needle valve, in position corresponding with valve core of needle valve in upper cores Sprue bush is installed, valve core of needle valve bottom end is protruded into corresponding sprue bush.
Description
Technical field
The present invention relates to a kind of hot runner mould more particularly to a kind of plastic magnetic rotor injection molds.
Background technique
Magnetic moulding material used in plastic magnetic rotor includes 90% or so croci and 10% or so plastic powders, stream
Dynamic property is poor, and general injection molding channel is difficult to complete injection molding, if increasing runner to meet mobility, can increase note simultaneously
Blow pressure, so that the injection molding stress of product increases, so that later period cracking risk increases.And increase runner can make residual material compared with
It is more, cause material waste.
Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of injection pressure is small, the injection molding of plastic magnetic rotor of high yield rate
Mold.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of plastic magnetic rotor injection mold, including
Horizontally disposed bottom plate, bottom plate middle part offer ejection hole, and parallels is fixed in two sides side by side on bottom plate, horizontal living between parallels on bottom plate
Dynamic be equipped with pushes away cladding plate, and the level on cladding plate that pushes away is fixed with push plate, pushes away fixed vertical on cladding plate and is equipped with thimble and release link, thimble with
Release link is fed through push plate, and level is fixed with lower die cladding plate on parallels, and water channel, water on lower die cladding plate are offered in lower die cladding plate
Flat to be fixed with water jacket backing plate, level is fixed with lower template on water jacket backing plate, is fixed with water in water jacket backing plate and lower template
Cage plate, water jacket plate connect with the water channel in lower die cladding plate, are fixed with lower mode in lower die cladding plate upper water sleeve plate, thimble is worn
Lower die cladding plate and lower mode are crossed, magnetic steel plate is fixed in water jacket plate, is fixed with magnet steel lid, lower die on water jacket plate and magnetic steel plate
Horizontal anomalous movement is equipped with cope plate on plate, offers water channel in cope plate, water channel connects with water jacket plate, is fixed in cope plate
Upper cores, hot nozzle is fixed in the upper cores, and the cope plate is equipped with runner liner plate, is fixed in runner liner plate
Runner plate is equipped with inner flow passage in runner plate, is equipped at least four runners in hot nozzle, runner top is mutually converged and and runner
Plate inner flow passage connects, and top plate is fixed at the top of runner liner plate, and middle part is fixed with main burner body, main burner body bottom in top plate
Portion connects with runner plate inner flow passage, and main burner body side is fixed with cylinder in top plate, and cylinder piston rod bottom is fixed with
Positioning ring, positioning ring lower surface are circumferentially with several valve core of needle valve corresponding with each runner, in upper cores with needle
The corresponding position of valve core is equipped with sprue bush, and cast gate set upper side protrudes into runner, valve core of needle valve wear successively set runner plate,
Hot nozzle and upper cores, valve core of needle valve bottom end are protruded into corresponding sprue bush.
As a preferred embodiment, it is described push away cladding plate bottom and ejection hole corresponding position be fixed with top roller mold insert.
As a preferred embodiment, guide pin is vertically fixed on the bottom plate, described push away in cladding plate and push plate is fixed
It is equipped with guide sleeve, the guide pin is fed through guide sleeve.
As a preferred embodiment, guide post is vertically fixed in the cope plate, guide post is fed through lower template, described multiple
Position bar is fed through lower die cladding plate, water jacket backing plate and, to be fixedly connected with cope plate, is movably equipped with and is located at outside release link with lower template
Reset spring under push plate upper water sleeve backing plate.
As a preferred embodiment, upper mold guide post is vertically fixed in the top plate, upper mold guide post is fed through runner lining
Plate and cope plate.
The beneficial effects of the present invention are: this mold using multipoint needle valve hot runner structure come injection molding, in mould inside
Structure is complicated, in the case where limited space, cast gate can be made to increase, and injection molding stress is reduced while enhancing mobility, increases and produces
Product intensity, and traditional cutter is substituted using needle-valve cutting, so that the mould features compact structure；In addition, by being rationally arranged in upper and lower mould
Magnetic steel plate, the injection molding magnetic powder after mobility optimization can be sufficiently orientated, to improve finished product magnetic property.
And since mode lower in water jacket plate and upper cores are externally provided with magnetic steel plate, and magnetic steel plate is equipped with magnet steel lid, compares
In prior art by the way of magnetic sheet, add magnetic more stable, and the service life is higher.
Due to it is described push away cladding plate bottom and ejection hole corresponding position be fixed with top roller mold insert, so that top can be passed through by pushing away cladding plate
Roller mold insert is fixedly connected with top roller, and impact caused by avoiding top roller when jack-up pushes away cladding plate is to influence the use longevity of mold
Life.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention (broken section).
Fig. 2 is the schematic diagram of the parts such as cope plate in the present invention.
In figure: 1. bottom plates, 2. ejection holes, 3. parallels, 4. push away cladding plate, 5. push plates, 6. thimbles, 7. release links, 8. top rollers edge
Part, 9. guide pins, 10. guide sleeves, 11. lower die cladding plates, 12. water channels, 13. water jacket backing plates, 14. lower templates, 15. water jacket plates, 16.
Lower mode, 17. magnetic steel plates, 18. magnet steel lids, 19. cope plates, 20. guide posts, 21. upper cores, 22. hot nozzles, 23. reset springs,
24. runner liner plate, 25. runner plates, 26. top plates, 27. upper mold guide posts, 28. positioning rings, 29. main burner bodies, 30. cylinders, 31. needles
Valve core, 32. sprue bush.
Specific embodiment
With reference to the accompanying drawing, detailed description of the present invention specific embodiment.
As shown in Figs. 1-2, a kind of plastic magnetic rotor injection mold, including horizontally disposed bottom plate 1 offer in the middle part of bottom plate 1
Hole 2 is ejected, parallels 3 is fixed in two sides side by side on bottom plate 1, and 3 horizontal anomalous movements of parallels are equipped with and push away cladding plate 4 on bottom plate 1, pushes away on cladding plate 4
Level is fixed with push plate 5, pushes away fixed vertical on cladding plate 4 and is equipped with thimble 6 and release link 7, pushes away 4 bottom of cladding plate and ejection hole 2 is right
Position is answered to be fixed with top roller mold insert 8, thimble 6 and release link 7 are fed through push plate 5, are vertically fixed with guiding on the bottom plate 1
Pin 9, it is described to push away fixation in cladding plate 4 and push plate 5 and be equipped with guide sleeve 10.
The guide pin 9 is fed through guide sleeve 10, and level is fixed with lower die cladding plate 11, lower die cladding plate on the parallels 3
Water channel 12 is offered in 11, level is fixed with water jacket backing plate 13 on lower die cladding plate 11, and level is fixed on water jacket backing plate 13
Water jacket plate 15, the water channel in water jacket plate 15 and lower die cladding plate 11 are fixed in lower template 14, water jacket backing plate 13 and lower template 14
12 connect, and are fixed with lower mode 16 in the 11 upper water sleeve plate 15 of lower die cladding plate, the thimble 6 is fed through lower die cladding plate 11
With lower mode 16.
It is fixed with magnetic steel plate 17 in the water jacket plate 15, is fixed with magnet steel lid 18 on water jacket plate 15 and magnetic steel plate 17,
Horizontal anomalous movement is equipped with cope plate 19 in the lower template 14, offers water channel 12, water channel 12 and 15 phase of water jacket plate in cope plate 19
It penetrates through, is vertically fixed with guide post 20 in cope plate 19, guide post 20 is fed through lower template 14, is fixed with upper mold in cope plate 19
Benevolence 21 is fixed with hot nozzle 22 in upper cores 21, and the release link 7 is fed through lower die cladding plate 11, water jacket backing plate 13 and lower die
Plate 14 with cope plate 19 to be fixedly connected.
The reset spring 23 under 5 upper water sleeve backing plate 13 of push plate, water on the cope plate 19 are movably equipped with outside release link 7
It is flat to be movably equipped with runner liner plate 24, it is fixed with runner plate 25 in runner liner plate 24, is equipped with inner flow passage, hot nozzle in runner plate 25
Eight runners are equipped in 22, runner top mutually converges and connects with 25 inner flow passage of runner plate, solid at the top of runner liner plate 24
Surely it is equipped with top plate 26, is vertically fixed with upper mold guide post 27 in top plate 26, upper mold guide post 27 is fed through runner liner plate 24 and upper mold
Plate 19.
Middle part is fixed with main burner body 29 in top plate 26, and 29 bottom of main burner body connects with 25 inner flow passage of runner plate.
29 side of main burner body is fixed with cylinder 30 in top plate 26, and the piston rod bottom of cylinder 30 is fixed with positioning ring, positioning ring
28 lower surfaces are circumferentially with several valve core of needle valve 31 corresponding with each runner, in upper cores 21 with valve core of needle valve 31
Corresponding position is equipped with sprue bush 32, and 32 upper end of sprue bush is protruded into runner, and valve core of needle valve 31, which is worn, successively set runner plate
25, hot nozzle 22 and upper cores 21,31 bottom end of valve core of needle valve is protruded into corresponding sprue bush 32.
When work: controlling sprue bush 32 by cylinder 30 first and cast, casting finishes exhaust hood 30 and controls sprue bush 32
To stop casting, the water in water channel 12 cools down the workpiece between upper cores 21 and lower mode 13 by water jacket plate 15, cold
But open mold after, cladding plate 4 and push plate 5 pushed away by the jack-up of top roller mold insert 8, and push plate 5 with push away cladding plate 4 along guide pin 9
Advance, so that thimble 6 ejects workpiece from lower mode 16, operator takes out workpiece, and push plate 5 passes through with cladding plate 4 is pushed away
Reset spring 23 is resetted, and it is that next workpiece prepares that upper and lower mould, which carries out molding by guide post 20, after reset, and work finishes.
The principles and effects of the invention, and the implementation that part uses only is illustrated in the above embodiments
Example, and is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from wound of the present invention
Under the premise of making design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (5)
1. a kind of plastic magnetic rotor injection mold, including horizontally disposed bottom plate, bottom plate middle part offers ejection hole, two sides on bottom plate
Parallels is fixed side by side, and horizontal anomalous movement is equipped with and pushes away cladding plate between parallels on bottom plate, and the level on cladding plate that pushes away is fixed with push plate, pushes away on cladding plate
Fixed vertical is equipped with thimble and release link, and thimble and release link are fed through push plate, and level is fixed with lower die cladding plate on parallels, under
Water channel is offered in mould cladding plate, level is fixed with water jacket backing plate on lower die cladding plate, and level is fixed with lower die on water jacket backing plate
It is fixed with water jacket plate in plate, water jacket backing plate and lower template, water jacket plate connects with the water channel in lower die cladding plate, on lower die cladding plate
Lower mode is fixed in water jacket plate, thimble is fed through lower die cladding plate and lower mode, is fixed with magnetic steel plate, water jacket in water jacket plate
It is fixed with magnet steel lid on plate and magnetic steel plate, horizontal anomalous movement is equipped with cope plate in lower template, offers water channel, water channel in cope plate
It connects with water jacket plate, upper cores is fixed in cope plate, it is characterised in that: it is fixed with hot nozzle in the upper cores,
The cope plate is equipped with runner liner plate, and runner plate is fixed in runner liner plate, is equipped with inner flow passage in runner plate, in hot nozzle
Equipped at least four runners, runner top mutually converges and connects with runner plate inner flow passage, and fixation is set at the top of runner liner plate
There is top plate, middle part is fixed with main burner body in top plate, and main burner body bottom connects with runner plate inner flow passage, main jet in top plate
Mouth body side is fixed with cylinder, and cylinder piston rod bottom is fixed with positioning ring, and positioning ring lower surface is circumferentially with several
Valve core of needle valve corresponding with each runner is equipped with sprue bush, cast gate in position corresponding with valve core of needle valve in upper cores
Set upper side is protruded into runner, and valve core of needle valve is worn and successively set runner plate, hot nozzle and upper cores, and phase is protruded into valve core of needle valve bottom end
It answers in sprue bush.
2. a kind of plastic magnetic rotor injection mold as described in claim 1, it is characterised in that: described to push away cladding plate bottom and ejection hole
Corresponding position is fixed with top roller mold insert.
3. a kind of plastic magnetic rotor injection mold as claimed in claim 2, it is characterised in that: be vertically fixed on the bottom plate
Guide pin, described to push away fixation in cladding plate and push plate and be equipped with guide sleeve, the guide pin is fed through guide sleeve.
4. a kind of plastic magnetic rotor injection mold as claimed in claim 3, it is characterised in that: vertically fixation is set in the cope plate
There is guide post, guide post is fed through lower template, and the release link is fed through lower die cladding plate, water jacket backing plate and lower template thus and cope plate
It is fixedly connected, the reset spring under push plate upper water sleeve backing plate is movably equipped with outside release link.
5. a kind of plastic magnetic rotor injection mold as claimed in claim 4, it is characterised in that: be vertically fixed in the top plate
Upper mold guide post, upper mold guide post are fed through runner liner plate and cope plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739953.2A CN110435090A (en) | 2019-08-12 | 2019-08-12 | A kind of plastic magnetic rotor injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739953.2A CN110435090A (en) | 2019-08-12 | 2019-08-12 | A kind of plastic magnetic rotor injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110435090A true CN110435090A (en) | 2019-11-12 |
Family
ID=68434602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739953.2A Pending CN110435090A (en) | 2019-08-12 | 2019-08-12 | A kind of plastic magnetic rotor injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497103A (en) * | 2020-04-14 | 2020-08-07 | 苏州博琪海电器有限公司 | Injection molding process of micro-adjustment type dust collector shell |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013771A (en) * | 2010-11-02 | 2011-04-13 | 张家港倍恩特磁塑科技有限公司 | Orientation magnetic field in plastic magnetic rotor mould |
| CN202462799U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Novel multi-point needle valve type hot runner system |
| CN104149288A (en) * | 2014-07-28 | 2014-11-19 | 成都兴博达精密机械有限公司 | Automobile evaporator shell hot runner mold capable of ejecting workpieces |
| CN106239831A (en) * | 2016-09-23 | 2016-12-21 | 北京灵铱科技有限公司 | A kind of rod hole, resetted top insert structure of fast mounting die |
| CN208681986U (en) * | 2018-07-24 | 2019-04-02 | 郎溪亚博磁电科技有限公司 | Pole anisotropy injection mold |
-
2019
- 2019-08-12 CN CN201910739953.2A patent/CN110435090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013771A (en) * | 2010-11-02 | 2011-04-13 | 张家港倍恩特磁塑科技有限公司 | Orientation magnetic field in plastic magnetic rotor mould |
| CN202462799U (en) * | 2012-01-18 | 2012-10-03 | 上海瀚典热流道科技有限公司 | Novel multi-point needle valve type hot runner system |
| CN104149288A (en) * | 2014-07-28 | 2014-11-19 | 成都兴博达精密机械有限公司 | Automobile evaporator shell hot runner mold capable of ejecting workpieces |
| CN106239831A (en) * | 2016-09-23 | 2016-12-21 | 北京灵铱科技有限公司 | A kind of rod hole, resetted top insert structure of fast mounting die |
| CN208681986U (en) * | 2018-07-24 | 2019-04-02 | 郎溪亚博磁电科技有限公司 | Pole anisotropy injection mold |
Non-Patent Citations (1)
| Title |
|---|
| 申开智: "《塑料成型模具 第2版》", 31 January 2011, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497103A (en) * | 2020-04-14 | 2020-08-07 | 苏州博琪海电器有限公司 | Injection molding process of micro-adjustment type dust collector shell |
| CN111497103B (en) * | 2020-04-14 | 2021-12-03 | 苏州博琪海电器有限公司 | Injection molding process of micro-adjustment type dust collector shell |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |