CN208305581U - The buckle correcting principle of injection molding - Google Patents
The buckle correcting principle of injection molding Download PDFInfo
- Publication number
- CN208305581U CN208305581U CN201820171317.5U CN201820171317U CN208305581U CN 208305581 U CN208305581 U CN 208305581U CN 201820171317 U CN201820171317 U CN 201820171317U CN 208305581 U CN208305581 U CN 208305581U
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- Prior art keywords
- elastic arm
- buckle
- amendment
- injection molding
- protrusion
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Abstract
The utility model provides a kind of buckle correcting principle of injection molding, the buckle correcting principle substrate of the injection molding and the multiple elastic arms for being connected to substrate side, the die cavity for accommodating mold core is collectively formed in substrate and multiple elastic arms, die cavity has the demoulding mouth for taking out mold core, the outer wall of elastic arm is equipped with the buckle for clamping, and the inner wall of elastic arm is equipped with the amendment protrusion for deforming elastic arm backwards to die cavity.The buckle correcting principle of injection molding provided by the utility model, by the way that amendment protrusion is arranged on the inner wall of elastic arm, so that after the completion of elastic arm injection molding and when taking out mold core from demoulding mouth, make Direction distortion of the elastic arm backwards to die cavity, strained elastic arm is corrected, guarantees reliably to snap connection between plastic parts.
Description
Technical field
The utility model belongs to display device technology field, is to be related to the buckle of injection molding a kind of to repair more specifically
Positive structure.
Background technique
There is a large amount of plastic parts such as front frame, rear shell, bracket, pedestal etc., plastic cement in the products such as display, LCD computer
Buckle is typically provided on the elastic arm of part to be fixedly connected to realize with another plastic parts.Currently, plastic parts mostly injection molding,
Cooling rate during molding is cooling due to elastic arm two sides is different and buckles elastic arm direction after cooling not
Curving deformation, especially when elastic arm is longer, elastic arm deformation is serious, causes the snapped-in position on elastic arm to deviate, nothing
Method and another plastic parts are clamped, and influence the reliability snapped connection.
Utility model content
The purpose of this utility model is to provide a kind of buckle correcting principles of injection molding, to solve to deposit in the prior art
Elastic arm injection molding process in its two sides cooling velocity difference make elastic arm deform caused by snapped-in position offset and shadow
Ring the technical issues of snapping connection reliability.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of buckle amendment of injection molding
Structure including substrate and is connected to multiple elastic arms of the substrate side, and the substrate and multiple elastic arms are common
Be formed with the die cavity for accommodating mold core, the die cavity has a demoulding mouth for taking out the mold core, the elastic arm it is outer
Wall is equipped with the buckle for clamping, and the inner wall of the elastic arm is equipped with for carrying on the back the elastic arm when taking out the mold core
The amendment protrusion deformed to the die cavity；Amendment protrusion on the elastic arm and distance is equal to this between the demoulding mouth
The distance between described buckle and the demoulding mouth on elastic arm, the buckle are faced with the finishing protrusion.
Further, the amendment protrusion is arc-shaped.
Further, the inner wall of the elastic arm is equipped with multiple amendment protrusions, each amendment protrusion and institute
State being equidistant for demoulding mouth.
Further, the inner wall of the elastic arm is equipped with multiple amendment protrusions, and multiple amendment protrusions are along the mould
The stripping direction of core is sequentially distributed.
Further, the altitude range of the amendment protrusion is 0.5mm to 2mm.
Further, the die cavity is cylindrical or rectangular.
The beneficial effect of the buckle correcting principle of injection molding provided by the utility model is: compared with prior art,
The buckle correcting principle of the utility model injection molding on the inner wall of elastic arm by being arranged amendment protrusion, so that the elastic arm
After the completion of injection molding and when taking out mold core from demoulding mouth, the side wall mutual extrusion of the amendment protrusion and mold core causes elastic arm backwards
The Direction distortion of die cavity corrects strained elastic arm, guarantees reliably to snap connection between plastic parts.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the part-structure figure of display device provided by the embodiment of the utility model；
Fig. 2 is the part explosive view of display device provided by the embodiment of the utility model；
Fig. 3 is the structure chart one of buckle correcting device provided by the embodiment of the utility model；
Fig. 4 is the structure chart two of buckle correcting device provided by the embodiment of the utility model；
Fig. 5 is the structure chart of the buckle correcting principle of injection molding provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
1- buckles correcting principle；10- die cavity；101- demoulds mouth；11- substrate；12- elastic arm；121- buckle；122- amendment
Protrusion；2- bracket；21- bracket holes；22- card hole；3- mold core；31- corrects groove.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Fig. 3 to Fig. 5 is please referred to, now the buckle correcting principle 1 of injection molding provided by the utility model is illustrated.It should
The buckle correcting principle 1 of injection molding including substrate 11 and is connected to multiple elastic arms 12 of 11 side of substrate, multiple elasticity
Arm 12 is set to the same side of substrate 11.Die cavity 10 has been collectively formed in substrate 11 and multiple elastic arms 12, and die cavity 10 is for accommodating mould
Core 3, mold core 3 can make the buckle correcting principle 1 form die cavity 10 identical with 3 size of mold core in injection molding.Die cavity 10 has
There is the demoulding mouth 101 for taking out mold core 3, it, can be by the taking off from die cavity 10 of mold core 3 after the completion of the buckle correcting principle 1 injection molding
Die orifice 101 takes out.The outer wall of elastic arm 12 is equipped with the buckle 121 for being clamped with other plastic parts, the inner wall of elastic arm 12
It is equipped with amendment protrusion 122.Specifically, the outer wall of elastic arm 12 is arranged backwards to die cavity 10, and the inner wall of elastic arm 12 is die cavity
10 inner wall.The buckle correcting principle 1, can since the cooling velocity of 12 inner and outer wall of elastic arm is different after the completion of injection molding
Cause elastic arm 12 towards being bent inside die cavity 10, buckle 121 on elastic arm 12 is caused also to deform towards 10 internal direction of die cavity.
The setting of amendment protrusion 122 corrects the outer wall mutual extrusion of protrusion 122 with mold core 3, so that elastic so that when taking out mold core 3
Arm 12 is towards outer wall bulging deformation, even if elastic arm 12 is backwards to the deformation of die cavity 10, the referred to as reversal deformation of elastic arm 12, bullet
Property arm 12 on the also outwardly convex of buckle 121, strained elastic arm 12 is corrected, to make buckle 121 and other plastic parts
It is clamped more firm.
The buckle correcting principle 1 of injection molding provided by the utility model, compared with prior art, the utility model injection molding
Molding buckle correcting principle 1 on the inner wall of elastic arm 12 by being arranged amendment protrusion 122, so that the elastic arm 12 has been molded
At rear and when taking out mold core 3 from demoulding mouth 101, amendment protrusion 122 and the side wall mutual extrusion of mold core 3 cause elastic arm 12
Backwards to the Direction distortion of die cavity 10, strained elastic arm 12 is corrected, guarantees reliably to buckle 121 connections between plastic parts.
Further, referring to Fig. 5, one kind of the buckle correcting principle 1 as injection molding provided by the utility model
Specific embodiment, the buckle correcting principle 1 include two elastic arms 12, are additionally provided with two side plates between two elastic arms 12,
Two side plates, two elastic arms 12 and substrate 11 are enclosed die cavity 10 jointly.Two elastic arms 12 are set to the opposite of substrate 11
Two sides.Certainly, which may also comprise four elastic arms 12, and the quantity of elastic arm 12 is not construed as limiting herein.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment, amendment protrusion 122 are arc-shaped.Amendment protrusion 122 is used for extrusion die core 3, keeps elastic arm 12 reversed
Deformation is to correct strained elastic arm 12.When amendment protrusion 122 is arc-shaped, one is easy for removing mold core 3, arc-shaped to repair
The setting of positive protrusion 122 is easier to take out the sliding of mold core 3 compared to the amendment protrusion 122 of other shapes, second is that avoiding scraping embossing die
Core 3 influences the surface quality of the inner wall of elastic arm 12.Certainly, can also according to the actual situation with specific requirements select it is rectangular or
The amendment protrusion 122 of the shapes such as triangle.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment is equipped with multiple amendments protrusions 122 on the inner wall of each elastic arm 12, each of on the elastic arm 12
Amendment protrusion 122 is equidistant with demoulding mouth 101, i.e., multiple amendment protrusions 122 on single elastic arm 12 are in same plane
On, to make the position consistency of the reversal deformation of the elastic arm 12.Optionally, all protrusions on all elastic arm 12 with it is de-
The distance between die orifice 101 is equal, the position consistency of the reversal deformation of each elastic arm 12, anti-convenient for effectively control elastic arm 12
The position of buckle 121 after to deformation.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment, the distance between amendment protrusion 122 on elastic arm 12 and demoulding mouth 101 are equal on the elastic arm 12
Buckle 121 and demoulding the distance between mouth 101.Specifically, on same elastic arm 12, amendment protrusion 122 and demoulding mouth 101
The distance between be equal to buckle 121 and demoulding the distance between mouth 101, buckle 121 is faced with amendment raised 122, in this way,
When taking out mold core 3,121 displacement maximum is buckled, the deformation at buckle 121 can be corrected to greatest extent, correct the buckle
Structure 1 and other plastic parts form stable connection.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment, the inner wall of each elastic arm 12 are equipped with multiple amendment protrusions 122, and multiple amendment protrusions 122 are along mould
The stripping direction of core 3 is sequentially distributed, i.e., the length direction along the elastic arm 12 is sequentially distributed.Optionally, two neighboring amendment is convex
It is equal to play the distance between 122.Multiple amendment protrusions 122 being sequentially distributed along 12 length direction of elastic arm can increase elastic arm
12 reversal deformation degree avoids after taking out mold core 3 completely, and elastic arm 12 is towards bouncing back inside mold core 3.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment, the altitude range of amendment protrusion 122 are 0.5mm to 2mm.When amendment protrusion 122 is less than 0.5mm, bullet
Property arm 12 reversal deformation degree it is too small, be unable to reach amendment elastic arm 12 effect；When amendment protrusion 122 is greater than 2mm, bullet
Property arm 12 reversal deformation degree it is excessive, may cause elastic arm 12 fracture.Amendment protrusion 122 altitude range be 0.5mm extremely
When 2mm, elastic arm 12 can be corrected and elastic arm 12 is not broken.
Further, please continue to refer to Fig. 5, buckle correcting principle 1 as injection molding provided by the utility model
A kind of specific embodiment, die cavity 10 are cylindrical or rectangular.Optionally, which can be with the shape of die cavity 10
Shape is identical, guarantees that the wall thickness of substrate 11 and each elastic arm 12 is identical, the injection defects such as shrink caused by avoiding wall thickness from differing greatly.
The shape of die cavity 10 can be selected with actual demand as the case may be, is not construed as limiting herein.
Fig. 3 and Fig. 4 is please referred to, the utility model also provides a kind of buckle correcting device, which includes upper
The buckle correcting principle 1 for stating the injection molding in any embodiment further includes the mold core 3 in die cavity 10, the outer wall of mold core 3
On offer with amendment protrusion 122 cooperation amendment grooves 31.The size of mold core 3 and the size of die cavity 10 match, accordingly
Ground, amendment protrusion 122 match with amendment groove 31.
Buckle correcting device provided by the utility model, by the way that amendment protrusion 122 is arranged on the inner wall of elastic arm 12,
So that after the completion of the elastic arm 12 injection molding and when taking out mold core 3 from demoulding mouth 101, the side wall of amendment protrusion 122 and mold core 3
It mutually overstocks, causes Direction distortion of the elastic arm 12 backwards to die cavity 10, correct strained elastic arm 12, guarantee between plastic parts
Reliable 121 connection of buckle.
Fig. 1 and Fig. 2 is please referred to, the utility model also provides a kind of display device, which includes any of the above-described reality
The buckle correcting principle 1 for applying the injection molding in example further includes the bracket 2 with 121 clamping of buckle.The buckle correcting principle 1 can
For the pedestal in display device, bracket 2 is formed a fixed connection by the buckle 121 on pedestal with pedestal.Certainly, which corrects
Structure 1 can also be used in other plastic parts, such as center, rear shell.
Display device provided by the utility model, by the way that amendment protrusion 122 is arranged on the inner wall of elastic arm 12, so that should
After the completion of elastic arm 12 is molded and when taking out mold core 3 from demoulding mouth 101, amendment protrusion 122 and the side wall of mold core 3 are mutually long-pending
Pressure causes Direction distortion of the elastic arm 12 backwards to die cavity 10, corrects strained elastic arm 12, guarantees reliable between plastic parts
121 connection of buckle.
Further, referring to Fig. 2, a kind of specific embodiment as display device provided by the utility model, branch
One end of frame 2 offers bracket holes 21, and 21 substrate 11 of bracket holes and elastic arm 12 protrude into, and card hole 22 is also provided on bracket 2
The card hole 22 being clamped with buckle 121, bracket holes 21 are connected with card hole 22.Specifically, the buckle 121 on elastic arm 12 protrudes into branch
In frame aperture 21, and it is clamped with card hole 22 and forms bracket 2 and be fixedly connected with buckle correcting principle 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. the buckle correcting principle of injection molding, it is characterised in that: including substrate and be connected to the multiple of the substrate side
The die cavity for accommodating mold core is collectively formed in elastic arm, the substrate and multiple elastic arms, and the die cavity, which has, to be used for
The demoulding mouth of the mold core is taken out, the outer wall of the elastic arm is equipped with the buckle for clamping, sets on the inner wall of the elastic arm
There is the amendment protrusion for deforming the elastic arm backwards to the die cavity；Institute on the elastic arm
It states distance between amendment protrusion and the demoulding mouth and is equal to the distance between the buckle and the demoulding mouth on the elastic arm,
The buckle is faced with the amendment protrusion.
2. the buckle correcting principle of injection molding as described in claim 1, it is characterised in that: the amendment protrusion is in circular arc
Shape.
3. the buckle correcting principle of injection molding as described in claim 1, it is characterised in that: set on the inner wall of the elastic arm
There are multiple amendment protrusions, each amendment protrusion is equidistant with the demoulding mouth.
4. the buckle correcting principle of injection molding as described in claim 1, it is characterised in that: set on the inner wall of the elastic arm
There are multiple amendment protrusions, multiple amendment protrusions are sequentially distributed along the stripping direction of the mold core.
5. the buckle correcting principle of injection molding as described in claim 1, it is characterised in that: the height model of the amendment protrusion
It encloses for 0.5mm to 2mm.
6. the buckle correcting principle of injection molding as described in claim 1, it is characterised in that: the die cavity it is cylindrical or
It is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171317.5U CN208305581U (en) | 2018-01-31 | 2018-01-31 | The buckle correcting principle of injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820171317.5U CN208305581U (en) | 2018-01-31 | 2018-01-31 | The buckle correcting principle of injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208305581U true CN208305581U (en) | 2019-01-01 |
Family
ID=64731907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820171317.5U Active CN208305581U (en) | 2018-01-31 | 2018-01-31 | The buckle correcting principle of injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208305581U (en) |
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2018
- 2018-01-31 CN CN201820171317.5U patent/CN208305581U/en active Active
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