CN207859364U - A kind of precision positioning mechanism of mobile phone shell secondary injection mould - Google Patents
A kind of precision positioning mechanism of mobile phone shell secondary injection mould Download PDFInfo
- Publication number
- CN207859364U CN207859364U CN201820129188.3U CN201820129188U CN207859364U CN 207859364 U CN207859364 U CN 207859364U CN 201820129188 U CN201820129188 U CN 201820129188U CN 207859364 U CN207859364 U CN 207859364U
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- China
- Prior art keywords
- template
- mobile phone
- phone shell
- injection mould
- secondary injection
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- 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.)
- Expired - Fee Related
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000000465 moulding Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Telephone Set Structure (AREA)
Abstract
The utility model discloses a kind of precision positioning mechanism of mobile phone shell secondary injection mould, top plate is equipped with the locating rod across middle plate and top template, end template is equipped with spacing slotted eye, locating rod is equipped with helical groove or axial linear groove, top template is equipped with the auxiliary positioning bar towards end template, end template is equipped with auxiliary stopper slot, and the free end of auxiliary positioning bar is equipped with disk end.The locating rod and auxiliary positioning bar of the utility model are provided with the effect of smooth plug, and mold is more smooth when being molded and being molded, and reduce the energy loss of molding and die sinking, reduce actuating unit burden.After eliminating obstruction, closing precision is protected, and improves yield rate indirectly.Closing precision is further improved by limiting blend stop.The level that top template is adjusted in the limiting locking mechanism on the limiting slot and top template of blend stop is limited, molding is conveniently adjusted.Terminal with compact integral structure, it is ingenious in design, be suitable for popularization and application.
Description
Technical field
The utility model is related to a kind of mobile phone shell molding die more particularly to a kind of mobile phone shell secondary injection moulds
Precision positioning mechanism belongs to the technical field of injection mold.
Background technology
Mobile phone is the essential electronics of daily life, and mobile phone has the mobile phone shell of injection molding, in mobile phone
Assemble products from parts are to be assembled into finished product mobile phone in shell.
Assembled since mobile phone needs to be layered, mobile phone shell inner plating and lamina rara externa can not one-time injection molding, therefore
It needs to realize by quadric injection mould, and secondary injection molding is higher to the positioning accuracy request of injection mold, slightly deviation is held
Easily lead to decrease in yield.
Quadric injection mould mold in the prior art, the general dual positioning mode for using master positioning and auxiliary positioning, to carry
The mode that shaft and axis hole are connected to each other is usually used in high position precision, detent mechanism, in order to realize high-precision, shaft diameter and
Shaft hole diameter must be consistent, and damping is easily generated when shaft is with axis hole phase shift, causes molding, die sinking to be obstructed, in addition when more
When distinctiveness damping occurs in group positioning, there are certain angular deviations when can cause to mold, to influence the precision of molding.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and traditional positioning has damping, influences conjunction
Mould divides the problem of mould and precision, provides a kind of precision positioning mechanism of mobile phone shell secondary injection mould.
In order to achieve the above object, technical solution used by the utility model is：
A kind of precision positioning mechanism of mobile phone shell secondary injection mould, the secondary injection mould includes backform
Unit and bed die unit, the backform unit is respectively equipped with top plate, middle plate and top template by top to bottom direction, described
Bed die unit is respectively equipped with end template and pedestal by top to bottom direction, is formed between the top template and the end template
For the cavity of mobile phone shell quadric injection mould,
The top plate is equipped with four locating rods across the middle plate and the top template, is set on the end template
Have and correspond matched spacing slotted eye with the locating rod, the locating rod is equipped with helical groove or axial linear recessed
Slot,
Set on the top template there are four towards the end template auxiliary positioning bar, the end template be equipped with it is described
Auxiliary positioning bar corresponds matched auxiliary stopper slot, and the free end of the auxiliary positioning bar is equipped with diameter and determines more than auxiliary
The disk end of position shank diameter, and the periphery of disk end is equipped with radial groove.
Preferably, the top plate is equipped with the limit blend stop for auxiliary positioning towards the end template, the limit
Position blend stop is abutted against with the periphery of the end template and the periphery of the pedestal.
Preferably, the limit blend stop is equipped with limiting slot, and the top template is equipped with the limit for being connected to the limiting slot
Position locking mechanism.
Preferably, the end template is equipped with the positioning protrusion for being positioned to mobile phone shell, is set in the mobile phone shell
There is the location hole to match with the positioning protrusion.
Preferably, retaining mechanism is equipped between the top template and the end template.
The beneficial effects of the utility model are mainly reflected in：
1. locating rod and auxiliary positioning bar are provided with the effect of smooth plug, mold is more smooth when being molded and being molded,
The energy loss for reducing molding and die sinking reduces actuating unit burden.
2. after eliminating obstruction, closing precision is protected, and improves yield rate indirectly.
3. further improving closing precision by limiting blend stop.
4. limiting the level that top template is adjusted in the limiting locking mechanism on the limiting slot and top template of blend stop, it is conveniently adjusted
Molding.
5. terminal with compact integral structure, it is ingenious in design, be suitable for popularization and application.
Description of the drawings
Fig. 1 is the structural schematic diagram of backform unit in a kind of mobile phone shell secondary injection mould of the utility model.
Fig. 2 is a kind of structural schematic diagram of mobile phone shell secondary injection mould midsole form unit of the utility model.
Fig. 3 is a kind of overall structure diagram of mobile phone shell secondary injection mould of the utility model.
Specific implementation mode
The utility model provides a kind of precision positioning mechanism of mobile phone shell secondary injection mould.Below in conjunction with attached drawing pair
Technical solutions of the utility model are described in detail, so that it is more readily understood and grasps.
A kind of precision positioning mechanism of mobile phone shell secondary injection mould, as shown in Figure 1 to Figure 3, secondary injection molding
Mold includes backform unit 1 and bed die unit 2, and backform unit 1 is respectively equipped with top plate 3, middle plate 4 by top to bottom direction
With top template 5, bed die unit 2 is respectively equipped with end template 6 and pedestal 7 by top to bottom direction, top template 5 and end template 6 it
Between be formed with cavity for mobile phone shell quadric injection mould.
Wherein, top plate 3 is equipped with four locating rods 8 across middle plate 4 and top template 5, and end template 6 is equipped with and determines
Position bar 8 corresponds matched spacing slotted eye 9, and locating rod 8 is equipped with helical groove 10 or axial linear groove.
It is well known that when bar periphery matches with cell wall, bar plugs easily in slot causes periphery to form damping with cell wall,
Frictional force generates or negative pressure causes, and this case is equipped with helical groove 10 or axial linear groove, the helical form in locating rod 8
Groove 10 or axial linear groove can prevent air-tightness negative pressure, to facilitate the work between locating rod 8 and spacing slotted eye 9
It is dynamic.
It is set on top template 5 there are four the auxiliary positioning bar 11 towards end template 6, end template 6 is equipped with and auxiliary positioning bar
11 correspond matched auxiliary stopper slot 12, and the free end of auxiliary positioning bar 11 is equipped with diameter and is more than auxiliary positioning bar 11 directly
The disk end 13 of diameter.
It is matched by the periphery and the cell wall of auxiliary stopper slot 12 of disk end 13, mating area can be reduced, to
Frictional force is effectively reduced, the periphery of disk end 13 is equipped with radial groove 14.The radial groove 14 can penetrate through air and inside
Space prevents negative pressure, consequently facilitating the activity of auxiliary positioning bar 11.
In preferred embodiment, top plate 3 is equipped with the limit blend stop 15 for auxiliary positioning towards end template 6, limit
Blend stop 15 is abutted against with the periphery of end template 6 and the periphery of pedestal 7.
Specifically, two limit blend stops 15 are respectively equipped on the arbitrary relative side of top plate 3, at backform unit 1 and bottom
When form unit 2 molds, the limit blend stop 15 with the periphery of end template 6, pedestal 7 by being abutted, to realize that molding is oriented to,
So that mutually molding is more convenient reliable between backform unit and bed die unit.
It limits blend stop 15 and is equipped with limiting slot 16, top template 5 is equipped with the limiting locking mechanism 17 for being connected to limiting slot 16.
Specifically, adjustment of displacement and locking can be carried out in limiting slot 16 by limiting locking mechanism 17, to realize
The Level tune of top template 5 keeps top template 5 consistent with the levelness of end template 6, and molding is more accurate.
End template 6 is equipped with the positioning protrusion for being positioned to mobile phone shell, and mobile phone shell is equipped with and positioning protrusion phase
Matched location hole.The positioning protrusion is effectively fixed in order to be carried out to base material mobile phone shell, to facilitate the secondary injection of mobile phone shell
Modeling.
Finally, retaining mechanism 18 is equipped between top template 5 and end template 6.The retaining mechanism 18 is used for top template 5 and bottom
6 phase of template is locked, to prevent the two in injection moulding process from generating displacement.
By above description it can be found that a kind of precision positioning machine of mobile phone shell secondary injection mould of the utility model
Structure, locating rod and auxiliary positioning bar are provided with the effect of smooth plug, and mold is more smooth when being molded and being molded, and reduce conjunction
The energy loss of mould and die sinking reduces actuating unit burden.After eliminating obstruction, closing precision is protected, and improves indirectly
Yield rate.Closing precision is further improved by limiting blend stop.Limit the limiting lock on the limiting slot and top template of blend stop
The level of top template is adjusted in tight mechanism, is conveniently adjusted molding.Terminal with compact integral structure, it is ingenious in design, be suitable for popularization and application.
The technical solution of the utility model is fully described above, it should be noted that the tool of the utility model
Body embodiment is simultaneously not limited by the description set out above, and those skilled in the art exist according to the Spirit Essence of the utility model
All technical solutions that structure, method or function etc. are formed using equivalents or equivalent transformation, all fall within this reality
Within novel protection domain.
Claims (5)
1. a kind of precision positioning mechanism of mobile phone shell secondary injection mould, the secondary injection mould include backform list
Member and bed die unit, the backform unit are respectively equipped with top plate, middle plate and top template, the bottom by top to bottom direction
Form unit is respectively equipped with end template and pedestal by top to bottom direction, is formed between the top template and the end template useful
In the cavity of mobile phone shell quadric injection mould,
It is characterized in that：
The top plate be equipped with across the middle plate and the top template four locating rods, the end template be equipped with
The locating rod corresponds matched spacing slotted eye, and the locating rod is equipped with helical groove or axial linear groove,
It is set on the top template there are four the auxiliary positioning bar towards the end template, the end template is equipped with and the auxiliary
Locating rod corresponds matched auxiliary stopper slot, and the free end of the auxiliary positioning bar is equipped with diameter and is more than auxiliary positioning bar
The disk end of diameter, and the periphery of the disk end is equipped with radial groove.
2. a kind of precision positioning mechanism of mobile phone shell secondary injection mould according to claim 1, it is characterised in that：Institute
Top plate is stated equipped with the limit blend stop for auxiliary positioning towards the end template, the limit blend stop and the end template
Periphery and the periphery of the pedestal abut against.
3. a kind of precision positioning mechanism of mobile phone shell secondary injection mould according to claim 2, it is characterised in that：Institute
It states limit blend stop and is equipped with limiting slot, the top template is equipped with the limiting locking mechanism for being connected to the limiting slot.
4. a kind of precision positioning mechanism of mobile phone shell secondary injection mould according to claim 1, it is characterised in that：Institute
End template is stated equipped with the positioning protrusion for being positioned to mobile phone shell, the mobile phone shell is equipped with and the positioning protrusion phase
Matched location hole.
5. a kind of precision positioning mechanism of mobile phone shell secondary injection mould according to claim 1, it is characterised in that：Institute
It states and is equipped with retaining mechanism between top template and the end template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129188.3U CN207859364U (en) | 2018-01-25 | 2018-01-25 | A kind of precision positioning mechanism of mobile phone shell secondary injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129188.3U CN207859364U (en) | 2018-01-25 | 2018-01-25 | A kind of precision positioning mechanism of mobile phone shell secondary injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207859364U true CN207859364U (en) | 2018-09-14 |
Family
ID=63458612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820129188.3U Expired - Fee Related CN207859364U (en) | 2018-01-25 | 2018-01-25 | A kind of precision positioning mechanism of mobile phone shell secondary injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207859364U (en) |
-
2018
- 2018-01-25 CN CN201820129188.3U patent/CN207859364U/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 |
Granted publication date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |