CN210148599U - Injection molding die for machining rotating shaft of tablet personal computer stylus pen - Google Patents
Injection molding die for machining rotating shaft of tablet personal computer stylus pen Download PDFInfo
- Publication number
- CN210148599U CN210148599U CN201920423285.8U CN201920423285U CN210148599U CN 210148599 U CN210148599 U CN 210148599U CN 201920423285 U CN201920423285 U CN 201920423285U CN 210148599 U CN210148599 U CN 210148599U
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- Prior art keywords
- cavity
- plate
- rotating shaft
- die
- mold
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- Expired - Fee Related
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 13
- 238000003754 machining Methods 0.000 title claims description 10
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses an injection moulding mould is used in processing of panel computer writing pen pivot, the pivot is hollow structure, forming die includes mould assembly and lower mould assembly, be equipped with in the cavity of going up the mold core and cooperate with lower mold core cavity in order to provide the die cavity, inject the shaping-drawing of patterns system that is used for the pivot drawing of patterns after accomplishing with when being used for injecting in the cavity of going up the mold core, shaping-drawing of patterns system includes the switch-plate, inlays needle and elastomeric element. The utility model discloses in through setting up shaping-drawing of patterns system, through switch-plate, inlay the mutually supporting effect of needle and elastomeric element, can conveniently realize the separation of pivot and mould, the drawing of patterns flow in pivot man-hour has wholly obtained optimizing, is favorable to realizing the industrialization mass production of pivot more.
Description
Technical Field
The utility model belongs to the mould field especially relates to a mould is used in processing of panel computer writing pen pivot.
Background
The current processing mode of the tablet personal computer stylus pen rotating shaft comprises the technologies of laser cutting, machine tool processing or 3D printing and the like. The laser cutting cost is high, the machining precision of a machine tool is difficult to guarantee, the materials used by the 3D printing technology are limited, and common printing materials cannot meet the use requirements and are easy to damage.
The current processing mode of the tablet personal computer stylus pen rotating shaft has the problems of multiple processing procedures, long production period, incapability of ensuring precision, difficulty in mass production and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome not enough and the defect mentioned in the above background art, provide panel computer pen pivot processing and use injection moulding mould, utilize this mould to produce the production and processing process that panel computer pen pivot can reduce panel computer pen pivot greatly, have advantages such as processing cycle is short, the precision is high, easily mass production. In order to solve the technical problem, the utility model provides a technical scheme does:
an injection molding mold for machining a rotating shaft of a tablet personal computer stylus pen is of a hollow structure, and comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly sequentially comprises an upper mold plate and an upper mold fixing plate from bottom to top, a glue injection port is formed in the center of the upper mold fixing plate and is fixed with the upper mold fixing plate through a positioning ring, and the lower end of the glue injection port is connected with a flow channel system; the lower die component sequentially comprises a lower die plate, a pair of oppositely arranged base plates and a lower die fixing plate, wherein the base plates and the lower die fixing plate are positioned at two sides of the lower die plate from top to bottom, an ejection device is arranged on the lower die fixing plate and between the pair of oppositely arranged base plates, an upper die core with a cavity is arranged in the upper die plate, a lower die core with a cavity is arranged in the lower die plate, a molding-demolding system which is used for being matched with the cavity of the lower die core during injection to provide a die cavity and used for demolding a rotating shaft after injection is completed is arranged in the cavity of the upper die core, the molding-demolding system comprises a shifting plate, an embedding needle and an elastic component, the lower surface of the shifting plate is flush with the lower surface of the upper die core, a cavity is arranged at the lower end of the shifting plate, the die cavity formed after the cavity of the shifting plate is matched with the cavity, the lower end of the insert pin is matched with the hollow structure of the rotating shaft, the upper end of the insert pin is fixedly arranged in the upper mold core, and the elastic component is arranged at the upper end of the kick-out plate and connected with the upper mold core.
In the above molding mold, preferably, the runner system includes a main runner and a plurality of sub-runners, the main runner is communicated with the glue injection port, one end of the sub-runner is communicated with the main runner, and the other end of the sub-runner is communicated with the mold cavity. More preferably, the main flow passage is a tapered flow passage having a diameter gradually increasing from top to bottom. The utility model discloses in, optimize the runner structure to the structural style of control sprue can save the runner in the forming die and take off the flitch, and whole runner structural arrangement is more reasonable, and forming die's component part still less.
In the above molding die, preferably, the elastic member is a plurality of elastic springs.
In the above forming mold, preferably, the upper mold assembly is provided with a guide pillar, and the lower mold assembly is provided with a guide pillar groove matched with the guide pillar to ensure that the upper mold assembly is matched with the lower mold assembly.
In the above molding die, preferably, the ejector device includes a thimble push plate, a thimble panel and a thimble, the thimble push plate is disposed on the lower die fixing plate, the thimble panel is disposed on the thimble push plate, the thimble is disposed on the thimble panel, and the thimble is movable to pass through the lower die fixing plate, the lower die core and extend to the die cavity.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses in through setting up shaping-drawing of patterns system, through switch-plate, inlay the mutually supporting effect of needle and elastomeric element, can conveniently realize the separation of pivot and mould, the drawing of patterns flow in pivot man-hour has wholly obtained optimizing, is favorable to realizing the industrialization mass production of pivot more.
2. The utility model provides a forming die has simple structure, and the runner system arranges rationally, advantages such as convenient to use.
3. The utility model discloses well utilize forming die to process to obtain the pivot, processing cycle is short, and the processing cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a forming die in the embodiment.
Fig. 2 is a schematic structural diagram of the hidden part of the assembly in fig. 1 (the hidden parts mainly include an upper mold plate, an upper mold fixing plate and a lower mold plate).
Fig. 3 is a schematic structural diagram of the hidden part of the assembly in fig. 1 (the hidden parts mainly include an upper template, an upper mold core, an upper mold fixing plate, a lower template, and a lower mold core).
FIG. 4 is a schematic structural diagram of a molding-demolding system, a runner system and a thimble in the embodiment.
FIG. 5 is an exploded view of the upper and lower mold cores in the example.
Illustration of the drawings:
1. a rotating shaft; 2. mounting a template; 3. an upper die fixing plate; 4. a glue injection port; 5. a positioning ring; 6. a lower template; 7. a base plate; 8. a lower die fixing plate; 9. an upper mold core; 10. a lower mold core; 11. a kick-out plate; 12. inserting a needle; 13. an elastic member; 14. a main flow channel; 15. a shunt channel; 16. a guide post; 17. a guide post groove; 18. a thimble push plate; 19. a thimble panel; 20. and (4) a thimble.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Example (b):
as shown in fig. 1-5, in the injection molding mold for processing the rotating shaft of the tablet personal computer stylus pen of the embodiment, the rotating shaft 1 is of a hollow structure, the molding mold comprises an upper mold assembly and a lower mold assembly, the upper mold assembly sequentially comprises an upper mold plate 2 and an upper mold fixing plate 3 from bottom to top, a glue injection port 4 is arranged in the center of the upper mold fixing plate 3, the glue injection port 4 is fixed with the upper mold fixing plate 3 through a positioning ring 5, and the lower end of the glue injection port 4 is connected with a runner system; the lower die component sequentially comprises a lower die plate 6, a pair of oppositely arranged backing plates 7 and a lower die fixing plate 8 which are positioned at two sides of the lower die plate 6 from top to bottom, an ejection device is arranged between the pair of oppositely arranged backing plates 7 on the lower die fixing plate 8, an upper die core 9 with a cavity is arranged in the upper die plate 2, a lower die core 10 with a cavity is arranged in the lower die plate 6, a molding-demolding system which is matched with the cavity of the lower die core 10 during injection to provide a die cavity and is used for demolding the rotating shaft 1 after injection is completed is arranged in the cavity of the upper die core 9, the molding-demolding system comprises a material shifting plate 11, an insert needle 12 and an elastic component 13, the lower surface of the material shifting plate 11 is flush with the lower surface of the upper die core 9, a cavity is arranged at the lower end of the material shifting plate 11, the die cavity formed after the cavity of the material shifting plate 11 is matched with the cavity of the lower, the lower end of the insert pin 12 is matched with the hollow structure of the rotating shaft 1, the upper end of the insert pin 12 is fixedly arranged in the upper mold core 9, and the elastic component 13 is arranged at the upper end of the kick-out plate 11 and is connected with the upper mold core 9. In this embodiment, by setting the molding-demolding system, the separation of the rotating shaft 1 from the mold can be conveniently realized through the mutual cooperation of the material-poking plate 11, the insert pin 12 and the elastic component 13, the demolding flow during the processing of the rotating shaft 1 is integrally optimized, and the industrial mass production of the rotating shaft 1 is more favorably realized.
In this embodiment, the runner system includes main runner 14 and a plurality of subchannel 15, and main runner 14 communicates with injecting glue mouth 4, and the one end and the main runner 14 intercommunication of subchannel 15, the other end and die cavity intercommunication to, main runner 14 is the toper runner of a footpath grow gradually from top to bottom.
In this embodiment, the elastic member 13 is a plurality of elastic springs.
In this embodiment, be equipped with guide pillar 16 on the last mould subassembly, be equipped with on the lower mould subassembly with guide pillar 16 mutually with the assurance mould subassembly with lower mould subassembly matched with guide pillar groove 17.
In this embodiment, the ejection device includes a thimble push plate 18, a thimble panel 19 and a thimble 20, the thimble push plate 18 is disposed on the lower mold fixing plate 8, the thimble panel 19 is disposed on the thimble push plate 18, the thimble 20 is disposed on the thimble panel 19, and the thimble 20 is movable to pass through the lower mold fixing plate 8 and the lower mold core 10 and extend into the mold cavity.
In this embodiment, the mold material passes through the runner system from the glue injection port 4 and then enters the mold cavity, when the mold cavity is completely filled, the product is compacted by automatic pressure maintaining, and then the upper mold core 9 and the lower mold core 10 are separated, because of the existence of the elastic component 13 (compressed state) in the molding-demolding system, the material shifting plate 11 can temporarily keep the original position, and the insert needle 12 can move up and be separated from the rotating shaft 1, along with the further movement of the upper mold core 9, the material shifting plate 11 can move up along with the elastic component 13, and then pass through the ejection device, so that the rotating shaft 1 is separated from the molding mold, and then the next injection molding is performed, and the next injection molding is performed in sequence, so that the mass production can be realized, and.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An injection molding mold for machining a rotating shaft of a tablet personal computer stylus pen is characterized in that the rotating shaft (1) is of a hollow structure, the molding mold comprises an upper mold component and a lower mold component, the upper mold component sequentially comprises an upper mold plate (2) and an upper mold fixing plate (3) from bottom to top, a glue injection port (4) is formed in the center of the upper mold fixing plate (3), the glue injection port (4) is fixed with the upper mold fixing plate (3) through a positioning ring (5), and the lower end of the glue injection port (4) is connected with a runner system; the lower die component sequentially comprises a lower die plate (6), a pair of oppositely arranged base plates (7) and a lower die fixing plate (8) from top to bottom, wherein the base plates (7) are positioned at two sides of the lower die plate (6), an ejection device is arranged between the upper base plate (8) and the pair of oppositely arranged base plates (7), the lower die component is characterized in that an upper die core (9) with a cavity is arranged in the upper die plate (2), a lower die core (10) with the cavity is arranged in the lower die plate (6), a molding-demolding system which is matched with the lower die core (10) in a cavity manner to provide a die cavity when the upper die core (9) is injected and is used for demolding a rotating shaft (1) after the injection is completed is arranged in the cavity of the upper die core (9), the molding-demolding system comprises a shifting plate (11), an embedding needle (12) and an elastic component (13), and the lower surface, the lower end of the kick-out plate (11) is provided with a cavity, a cavity formed after the cavity of the kick-out plate (11) is matched with the cavity of the lower mold core (10) is matched with the outer surface of the rotating shaft (1), the lower end of the insert pin (12) is movably arranged in the kick-out plate (11) and extends into the cavity, the lower end of the insert pin (12) is matched with the hollow structure of the rotating shaft (1), the upper end of the insert pin (12) is fixedly arranged in the upper mold core (9), and the elastic component (13) is arranged at the upper end of the kick-out plate (11) and is connected with the upper mold core (9).
2. The injection molding mold for machining a rotating shaft of a tablet personal computer stylus according to claim 1, wherein the runner system comprises a main runner (14) and a plurality of sub-runners (15), the main runner (14) is communicated with the glue injection port (4), one end of each sub-runner (15) is communicated with the main runner (14), and the other end of each sub-runner is communicated with the mold cavity.
3. The injection molding die for machining a rotating shaft of a tablet personal computer stylus pen as claimed in claim 2, wherein the main flow channel (14) is a tapered flow channel with a gradually increasing diameter from top to bottom.
4. The injection molding die for machining the rotating shaft of the tablet personal computer stylus pen as claimed in any one of claims 1 to 3, wherein the elastic member (13) is a plurality of elastic springs.
5. The injection mold for machining a rotating shaft of a tablet personal computer stylus according to any one of claims 1-3, wherein the upper mold assembly is provided with guide pillars (16), and the lower mold assembly is provided with guide pillar grooves (17) matched with the guide pillars (16) to ensure that the upper mold assembly is matched with the lower mold assembly.
6. The injection molding die for machining the rotating shaft of the tablet personal computer stylus pen according to any one of claims 1 to 3, wherein the ejection device comprises an ejector pin push plate (18), an ejector pin panel (19) and an ejector pin (20), the ejector pin push plate (18) is arranged on the lower die fixing plate (8), the ejector pin panel (19) is arranged on the ejector pin push plate (18), the ejector pin (20) is arranged on the ejector pin panel (19), and the ejector pin (20) movably penetrates through the lower die fixing plate (8) and the lower die core (10) and extends into the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423285.8U CN210148599U (en) | 2019-03-29 | 2019-03-29 | Injection molding die for machining rotating shaft of tablet personal computer stylus pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920423285.8U CN210148599U (en) | 2019-03-29 | 2019-03-29 | Injection molding die for machining rotating shaft of tablet personal computer stylus pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210148599U true CN210148599U (en) | 2020-03-17 |
Family
ID=69756170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920423285.8U Expired - Fee Related CN210148599U (en) | 2019-03-29 | 2019-03-29 | Injection molding die for machining rotating shaft of tablet personal computer stylus pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210148599U (en) |
-
2019
- 2019-03-29 CN CN201920423285.8U patent/CN210148599U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |