CN109304844A - A kind of injection mold structure of shaft insulation - Google Patents
A kind of injection mold structure of shaft insulation Download PDFInfo
- Publication number
- CN109304844A CN109304844A CN201811225855.9A CN201811225855A CN109304844A CN 109304844 A CN109304844 A CN 109304844A CN 201811225855 A CN201811225855 A CN 201811225855A CN 109304844 A CN109304844 A CN 109304844A
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- Prior art keywords
- cavity
- lower die
- hole
- axis body
- feed opening
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- Pending
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- 238000009413 insulation Methods 0.000 title claims abstract description 22
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000005439 thermosphere Substances 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 17
- 238000000465 moulding Methods 0.000 abstract description 13
- 239000012774 insulation material Substances 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 208000002925 dental caries Diseases 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 10
- 210000001331 nose Anatomy 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance 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
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/7604—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of injection mold structure of shaft insulation, is related to technical field of plastic.It includes upper and lower mould bases, upper and lower die cavity and axis body, lower mode cavity is equipped with lower die feed opening and several lower die cavitys, lower mode cavity upper surface is equipped with the runner of connection lower die feed opening and lower die cavity, upper cavity is equipped with the upper mould cave of perforation upper and lower end face, axis body is respectively with upper mould cave, lower die cavity grafting, and top mold holder is equipped with the charging cap being connected to lower die feed opening.The present invention, which solves, forms, the material mobility bad technical problem that causes product rejection rate high uneven to heating on axis body by injection mold and injection molding machine to BMC tubular molding compound in the prior art.The invention has the following beneficial effects: injection molding Insulation Material enters upper and lower die cavity through runner among upper and lower mould, good fluidity is uniform to axis body feeding.Upper and lower die cavity alignment is accurate, it is therefore prevented that the blocked up waste for causing following process surplus excessive of insulating layer.Mold heating speed is fast, and thermal loss low guaranteed is molded effect.
Description
Technical field
The present invention relates to technical field of plastic, more particularly, to a kind of for making tubular molding compound to shaft insulation
Injection mold.
Background technique
BMC tubular molding compound is formed by injection mold and injection molding machine to axis body, and insulating layer, insulating layer are formed on axis body
There to be more excellent electric property after machined again, mechanical performance, heat resistance, chemical corrosion resistance can meet various
Requirement of the product to performance.Chinese patent application publication No. CN107053596A, data of publication of application on August 18th, 2017, title
For the application for a patent for invention file of " a kind of double insulation rotor BMC integrally forming machines ", a kind of BMC tubular molding compound dress is disclosed
It sets.Including lower formation die core, upper formation die core, lower molding part, upper molding part, finished product rotor, lower formation die core is put into down
It molds in part, upper formation die core is put into molding part, and upper formation die core, upper formation die core are equipped with above lower formation die core
It covers in upper molding part, upper molding part is adjacent to lower formation die core, is molded by finished product in lower formation die core and upper formation die core
Rotor.The device mainly improves the concentricity of product, is not suitable for the injection molding for forming insulating layer on axis body.In addition, for
It is molded compared with miscellaneous goods, in order to guarantee accurate positioning using one cave of a mould, production capacity is low, and energy consumption waste is big.
Summary of the invention
In order to solve to form in the prior art by injection mold and injection molding machine to heating on axis body to BMC tubular molding compound
Unevenly, expect the bad technical problem for causing product rejection rate high of mobility, it is uniform that the present invention provides a kind of heating sufficiently measurement
Expect the injection mold structure of the shaft insulation of good fluidity.
The technical scheme is that a kind of injection mold structure of shaft insulation, it includes lower mold holder, connect with lower mold holder
Lower mode cavity, the top mold holder above lower mold holder, the upper cavity and axis body connecting with top mold holder, lower mode cavity is respectively equipped with perforation up and down
Uniformly distributed lower die cavity centered on the lower die feed opening of end face and several central axes by lower die feed opening, lower mode cavity upper surface, which is equipped with, to be connected
The runner of logical lower die feed opening and lower die cavity, upper cavity are equipped with the upper mould cave of perforation upper and lower end face, axis body respectively with upper mould cave, under
Die cavity grafting, top mold holder are equipped with the charging cap being connected to lower die feed opening.Injection molding Insulation Material enters among upper and lower mould through runner
Upper and lower die cavity, good fluidity, feeding is uniform, reduces scrappage for injection molding insulation formable layer and lays the foundation.Multi-point mould improves
Production efficiency.
Preferably, lower die feed opening is stepped hole, large diameter hole recess lower mode cavity upper surface, depth E, small diameter bore
It is connected with sprue puller.
Preferably, lower die cavity is stepped hole, large diameter hole recess lower mode cavity upper surface, minor diameter hole wall and axis body side wall
Between there are gap, the contour bench tread that large diameter hole is connect with small diameter bore is circular arc concave surface, depth F, in small diameter bore
End face to lower mode cavity (14) upper surface distance is G.
Preferably, runner recess lower mode cavity upper surface, flow channel depth and lower die cavity circular arc concave surface deep equality are F, E is big
It is greater than G in F, F；Ensure to be molded Insulation Material quickly to flow, be uniformly filled in axis body outer surface.
Preferably, sprue puller upper end be it is coniform, side is equipped with the sprue puller groove of V-arrangement, and sprue puller groove is located at
In lower die feed opening large diameter hole；Extra injection molding Insulation Material is cleared up after conveniently opening mould.
Preferably, being equipped with lower mold fixed plate below lower mode cavity, lower mold fixed plate is equipped with lower fixed hole, lower fixed hole and axis
Body lower end matches.
Preferably, being equipped with upper mould fixed plate above upper cavity, upper mould fixed plate is equipped with upper fixation hole, upper fixation hole and axis
Body upper end matches.
Preferably, lower mode cavity is equipped with guide pillar hole, top mold holder is connected with upper guide post, and upper guide post matches with guide pillar hole；Really
It protects die cavity molding up and down with one heart, guarantees that axis body surface injection molding insulating layer is uniform.
Preferably, charging cap is to be equipped with charging aperture among T shape, charging aperture is top segment lower part rotary table cavity body structure.
Preferably, upper cavity, lower mode cavity lateral surface have been respectively coated by upper mold heating layer, lower die heating layer, upper mold heating
Layer, lower die heating layer are connected separately with upper mold thermometer hole, lower die thermometer hole.
Compared with prior art, the beneficial effects of the present invention are: injection molding Insulation Material enters among upper and lower mould through runner
Upper and lower die cavity, good fluidity are uniform to axis body feeding.Upper and lower mould-matching structure is simple, and die cavity alignment is accurate, ensure that injection molding is exhausted
Edge layer ratio of briquetting on axis body, it is therefore prevented that insulating layer is blocked up to be caused following process surplus excessive and generate waste.Mold heating speed
Degree is fast, heats more abundant, thermal loss low guaranteed injection molding effect.Multi-point mould improves production efficiency.It is easy to operate,
Reduce labor intensity.Compact-sized, advantages of simple, manufacturing cost are low.
Detailed description of the invention
Attached drawing 1 is cross-sectional view of the present invention；
Attached drawing 2 is the middle A-A sectional view of Fig. 1；
Attached drawing 3 is B-B sectional view in Fig. 1；
Attached drawing 4 is D-D sectional view in Fig. 2；
Attached drawing 5 is the enlarged drawing of C in Fig. 1.
In figure: 1- lower mold holder；2- top mold holder；3- is molded Insulation Material；4- axis body；5- sprue puller；6- mandril；11- lower roof plate；
12- upper plate；13- lower mold fixed plate；14- lower mode cavity；15- lower die heating layer；21- upper cavity；22- upper mould fixed plate；23- adds
Expect cap；24- upper mold heating layer；25- upper guide post；51- sprue puller groove；131- lower fixed hole；141- lower die feed opening；142- stream
Road；Die cavity under 143-；144- guide pillar hole；151- lower die thermometer hole；211- upper mould cave；The upper fixation hole of 221-；241- upper mold thermometric
Hole.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figs. 1-5, a kind of injection mold structure of shaft insulation, it includes 2 and of top mold holder of lower mold holder 1,1 top of lower mold holder
Axis body 4.Axis body 4 is metal step axle construction, and the diameter of upper end spindle nose and lower end spindle nose is respectively less than axis middle section diameter.Axis body
Depending on 4 quantity are by 4 diameter of axis body and injection-moulding device power, illustrated for six in figure.
At converse П shape, vertical component effect is lower guide post in lower mold holder 1 section.Lower mold holder 1 be connected in turn from the bottom up lower roof plate 11,
Upper plate 12, lower mold fixed plate 13 and lower mode cavity 14.Lower mode cavity 14 is cylindrical body.Lower mode cavity 14 is equipped with guide pillar hole by proximal side
144, lower guide post is inserted into guide pillar hole 144.Lower roof plate 11 and upper plate 12 can be moved up and down along lower guide post.11 upper surface of lower roof plate
It is connected with sprue puller 5.Sprue puller 5 passes through upper plate 12.Upper plate 12 can be moved up and down along sprue puller 5.Upper plate 12 is affixed
There is mandril 6.6 lower end of mandril and upper plate 12 are fixed, can move up and down with upper plate 12.
Lower mold fixed plate 13 is equipped with lower fixed hole 131 and the lower mold fixed plate sprue puller hole of perforation end top and bottom.Lower fixation
131 quantity of hole is consistent with 4 quantity of axis body.Lower fixed hole 131 is inserted into from 13 lower surface of lower mold fixed plate in 6 upper end of mandril.Under axis body 4
End and 131 clearance fit of fixation hole.4 lower end spindle nose of axis body is inserted into lower fixed hole 131 from 13 upper surface of lower mold fixed plate.Mould is fixed
Plate sprue puller hole and sprue puller 5 are socketed, clearance fit.
Lower mode cavity 14 is respectively equipped with the lower die feed opening 141 and several lower die cavitys 143 of perforation upper and lower end face.Lower die feed opening
141 central axes are overlapped with 14 central axes of lower mode cavity.Lower 143 quantity of die cavity is consistent with 4 quantity of axis body.Six lower 143 or less die cavitys
It is uniformly distributed centered on 141 central axes of mould feed opening.Lower die feed opening 141 is stepped hole.Under 141 large diameter hole of lower die feed opening recess
14 upper surface of die cavity.The bottom hole of 141 large diameter hole of lower die feed opening to 14 upper surface of lower mode cavity distance is that lower die feed opening 141 is big
Diameter hole depth, depth E.Sprue puller 5 passes through lower mold fixed plate sprue puller hole and is then passed through 141 small diameter bore of lower die feed opening.Under
141 small diameter bore of mould feed opening and 5 clearance fit of sprue puller.
5 upper end of sprue puller is coniform, sprue puller groove 51 of the side equipped with recess.Sprue puller groove 51, which is located at, draws material
5 conical bottom of bar.51 forming V-shape of sprue puller groove.Sprue puller groove 51V shape opening is located in 141 large diameter hole of lower die feed opening.
Lower die cavity 143 is stepped hole.Lower 143 large diameter hole of die cavity recess 14 upper surface of lower mode cavity.Lower 143 major diameter of die cavity
The contour bench tread that hole is connect with small diameter bore is circular arc concave surface, under circular arc concave surface minimum point is to 14 upper surface distance of lower mode cavity
143 major diameter hole depth of die cavity, depth F.Lower 143 small diameter bore upper surface of die cavity to 14 upper surface of lower mode cavity distance is G.Axis body
4 middle sections and lower 143 small diameter bore of die cavity are socketed, and there are gaps between 4 side wall of minor diameter hole wall and axis body, to fill note
Mould Insulation Material 3.14 upper surface of lower mode cavity is equipped with the runner 142 of connection lower die feed opening 141 and lower die cavity 143.Six lower dies into
Material hole 141 has six runners 142 to be connected to respectively with 141 large diameter hole of lower die feed opening.The recess of runner 142 14 upper end of lower mode cavity
Face.142 bottom of runner to 14 upper surface of lower mode cavity distance is 142 depth of runner, and depth is F and lower 143 circular arc concave surface depth of die cavity
It is equal.E is greater than F, and F is greater than G.
14 lateral surface of lower mode cavity is coated with lower die heating layer 15.Lower die heating layer 15 is equipped with lower electric heater, lower electric heating
Device connect (not shown) with heating controller.Lower die heating layer 15 is connected with lower die thermometer hole 151.Lower die thermometer hole 151 connects
It is connected to the lower temperature sensor (not shown) connecting with heating controller.
For top mold holder 2 at П shape, vertical component effect is upper guide post 25.The quantity of upper guide post 25 and distribution are as guide pillar hole 144.It closes
Upper guide post 25 is inserted into guide pillar hole 144 when mould.Upper guide post 25 and 144 clearance fit of guide pillar hole.Top mold holder 2 is sequentially connected from top to bottom
There are upper mould fixed plate 22 and upper cavity 21.
Upper cavity 21 is equipped with the upper mould cave 211 of perforation upper and lower end face.211 quantity of upper mould cave, size and distribution are and lower die
As cave 143.21 lateral surface of upper cavity is coated with upper mold heating layer 24.Upper mold heating layer 24 is equipped with upper electric heater, powers on and adds
Hot device connect (not shown) with heating controller.Upper mold heating layer 24 is connected with upper mold thermometer hole 241.Upper mold thermometer hole 241
It is connected with the upper temperature sensor (not shown) connecting with heating controller.
Upper mould fixed plate 22 is equipped with upper fixation hole 221.Upper 221 quantity of fixation hole, distribution are as lower die cavity 143.It is upper solid
Determine 221 central axes of hole to be overlapped with lower 143 central axes of die cavity.Upper 221 diameter of fixation hole is as 4 upper end spindle nose diameter of axis body.Axis
4 upper end spindle nose of body is inserted into upper fixation hole 221 from 22 lower surface of upper mould fixed plate.
Top mold holder 2 is equipped with the charging cap 23 being connected to lower die feed opening 141.Charging cap 23 is T shape.Upper cavity 21, upper mold
Fixed plate 22 is equipped with centre bore along central axes, and charging cap 23 is inserted into centre bore and upper cavity 21, upper mould fixed plate 22 are fixed.Charging
The charging aperture of perforation upper and lower end face is equipped among cap 23.The top of charging aperture is segment, lower part is rotary table cavity.Rotary table osculum with
The curved surface of segment is connected to.The big mouth of rotary table is connected to the large diameter hole of lower die feed opening 141.
In use, 4 lower end spindle nose of axis body is inserted into lower fixed hole 131, molding.Upper guide post 25 is inserted into guide pillar hole 144, axis body
4 upper end spindle noses are inserted into upper fixation hole 221.Axis body 4 is fixed, and axis body is in upper mould cave 211 and lower 143 small diameter bore of die cavity.From
The injection molding Insulation Material 3 for 23 segment mouth of the cap addition tubular molding compound that feeds flows into upper mould cave by lower die feed opening 141, runner 142
211 and lower 143 small diameter bore of die cavity in.Upper mold heating layer 24, lower die heating layer 15 heat simultaneously.When injection molding Insulation Material 3 and axis
After body 4 forms shaft insulation, die sinking.Upper plate 12 moves up, and shaft insulation is ejected lower die cavity 143 by six roots of sensation mandril 6, takes out shaft insulation
Afterwards, lower roof plate 11 moves up, and sprue puller 5 moves up.Due to the effect of sprue puller groove 51, sprue puller 5 by extra injection molding Insulation Material 3 with
It is separated in lower die feed opening 141, runner 142 and lower die cavity 143.Lower roof plate 11, upper plate 12 move down, and sprue puller 5, mandril 6 are multiple
Injection molding next time is continued in position.
Claims (10)
1. a kind of injection mold structure of shaft insulation, it includes lower mold holder (1), the lower mode cavity (14) that is connect with lower mold holder (1), under
Top mold holder (2) above mould bases (1), the upper cavity (21) and axis body (4) being connect with top mold holder (2), it is characterised in that: under described
Die cavity (14) is respectively equipped with the lower die feed opening (141) of perforation upper and lower end face and several is with lower die feed opening (141) central axes
Center uniformly distributed lower die cavity (143), lower mode cavity (14) upper surface are equipped with connection lower die feed opening (141) and lower die cavity (143)
Runner (142), the upper cavity (21) be equipped with perforation upper and lower end face upper mould cave (211), the axis body (4) respectively with upper mould cave
(211), lower die cavity (143) grafting, the top mold holder (2) are equipped with the charging cap (23) being connected to lower die feed opening (141).
2. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: the lower die feed opening
It (141) is stepped hole, large diameter hole recess lower mode cavity (14) upper surface, depth E, small diameter bore are connected with sprue puller (5).
3. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: the lower die cavity (143)
For stepped hole, large diameter hole recess lower mode cavity (14) upper surface, there are gaps between minor diameter hole wall and axis body (4) side wall, greatly
The contour bench tread that diametric hole is connect with small diameter bore is circular arc concave surface, depth F, small diameter bore upper surface to lower mode cavity (14)
Upper surface distance is G.
4. a kind of injection mold structure of shaft insulation according to claim 1 or 2 or 3, it is characterised in that: runner (142)
Be recessed lower mode cavity (14) upper surface, and flow channel depth and lower die cavity (143) circular arc concave surface deep equality are F, and E is greater than F, and F is greater than G.
5. a kind of injection mold structure of shaft insulation according to claim 2, it is characterised in that: on the sprue puller (5)
End be it is coniform, side be equipped with V-arrangement sprue puller groove (51), sprue puller groove (51) be located at lower die feed opening (141) greatly
In diametric hole.
6. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: under the lower mode cavity (14)
Side is equipped with lower mold fixed plate (13), and lower mold fixed plate (13) is equipped with lower fixed hole (131), the lower fixed hole (131) and axis body
(4) lower end matches.
7. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: on the upper cavity (21)
Side is equipped with upper mould fixed plate (22), and upper mould fixed plate (22) is equipped with upper fixation hole (221), on upper fixation hole (221) and axis body (4)
End matches.
8. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: the lower mode cavity (14) sets
Have guide pillar hole (144), top mold holder (2) is connected with upper guide post (25), and upper guide post (25) matches with guide pillar hole (144).
9. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: the charging cap (23) is
Charging aperture is equipped among T shape, charging aperture is top segment lower part rotary table cavity body structure.
10. a kind of injection mold structure of shaft insulation according to claim 1, it is characterised in that: the upper cavity (21),
Lower mode cavity (14) lateral surface has been respectively coated by upper mold heating layer (24), lower die heating layer (15), and upper mold heating layer (24), lower die add
Thermosphere (15) is connected separately with upper mold thermometer hole (241), lower die thermometer hole (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225855.9A CN109304844A (en) | 2018-10-21 | 2018-10-21 | A kind of injection mold structure of shaft insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225855.9A CN109304844A (en) | 2018-10-21 | 2018-10-21 | A kind of injection mold structure of shaft insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109304844A true CN109304844A (en) | 2019-02-05 |
Family
ID=65225398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811225855.9A Pending CN109304844A (en) | 2018-10-21 | 2018-10-21 | A kind of injection mold structure of shaft insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109304844A (en) |
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|---|---|---|---|---|
| US20020190430A1 (en) * | 2001-03-28 | 2002-12-19 | Mitsubishi Cable Industries, Ltd. | Molding method and apparatus for resin long body |
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2018
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| US20050238756A1 (en) * | 1999-05-19 | 2005-10-27 | Kaneka Corporation | Resin roller and device and method for manufacturing the resin roller |
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| CN106738669A (en) * | 2016-12-26 | 2017-05-31 | 浙江工商职业技术学院 | The box-like sliding block runner of valve enters plastic structure mould |
| CN207711262U (en) * | 2017-12-29 | 2018-08-10 | 安徽工程大学 | A kind of electronic scale shell injection mold |
| CN108189311A (en) * | 2018-02-02 | 2018-06-22 | 江西普拉格电子制品有限公司 | Internal frame component injection-moulding device and its method for manufacturing internal frame component |
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|---|
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Application publication date: 20190205 |