CN205522232U - A inserts structure for injection moulding - Google Patents
A inserts structure for injection moulding Download PDFInfo
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- CN205522232U CN205522232U CN201620072621.5U CN201620072621U CN205522232U CN 205522232 U CN205522232 U CN 205522232U CN 201620072621 U CN201620072621 U CN 201620072621U CN 205522232 U CN205522232 U CN 205522232U
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- injection
- straight portion
- lding
- bending part
- inserts
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Abstract
The utility model discloses an inserts structure for injection moulding, including the inserts body, be equipped with the portion of bending on the inserts body, be equipped with step portion in the portion of bending. The utility model provides a pair of an inserts structure for injection moulding not only can avoid producing the defect of moulding plastics, need not in addition to make amendment to the injection moulding mould, and one -tenth that can be lower improved this type of injection moulding defect originally, had increased the production competitiveness of enterprise.
Description
Technical field
This utility model relates to insert injection moulding technical field, particularly relates to a kind of inserts for injection mo(u)lding and ties
Structure.
Background technology
Insert injection moulding refers to load injected plastic after pre-prepd different material inserts in mould, and melted moulds
Material and different material inserts engagement cure, the forming method of being formed integrally product.Mistake in insert injection molding
Cheng Zhong, injection mo(u)lding is had by inserts shape to be affected significantly.
As depicted in figs. 1 and 2, when inserts body 1 has more bending and is embedded in product surface, inserts
The bending part 11 of body 1 can form acute angular areas with the intersection of plastic cement 2, and when causing injection, acute angular areas is filled out
Fill difficulty, thus cause injection starved defect, not only affect the outward appearance of product, and product SAPMAC method is tested
Time, the release of plastic cement internal stress, can crack, reduce the yields of product, cause cost to increase.
As the patent document of Application No. 201410737149.8 discloses a kind of ring-shaped insert-molded article, inserts product
It is by the shape including annular portion that cylindrical portion and the ora terminalis from described cylindrical portion extend out to radial outside
The parts of the steel plate constituted, cylindrical portion is flex area with the junction of annular portion, during injection, flex area
Easily cause injection starved, thus affect outward appearance and the performance of product.
Utility model content
Technical problem to be solved in the utility model is: provide one can avoid when insert injection molding producing
The insert structure of raw starved defect.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of insert structure for injection mo(u)lding, including inserts body, described inserts body has bending
Portion, described bending part is provided with stage portion.
Further, the degree of depth of described stage portion is the half of thickness of described bending part.
Further, the degree of depth of described stage portion is the 0.47-0.49 of thickness of described bending part.
Further, described bending part is fillet, the circular arc that the width of described stage portion is corresponding with described fillet
Radius identical.
Further, described inserts body and the one-body molded setting of described stage portion.
Further, described bending part includes the first straight portion and second straight portion, and the described first straight portion is straight with second
Portion connects, and the described first straight portion is not equal to 180 ° with the angle of the junction formation of second straight portion, described step
Portion is arranged at described junction and is positioned at the described first straight portion or marginal position of second straight portion.
Further, described stage portion is arranged along the length direction of the first straight portion or second straight portion.
Further, described stage portion is arranged along the width of the first straight portion or second straight portion.
Further, the quantity of described stage portion is two or more, plural described stage portion position respectively
In the described first straight portion or marginal position of second straight portion.
The beneficial effects of the utility model are: the bending part of inserts body is provided with stage portion, it is possible to increase embedding
Distance between part bending part and injection mold, thus expand the packing space of plastic cement, make plastic cement to fill out completely
Fill.Avoid because producing narrow and small, sharp-pointed angle space between inserts and mould, and when causing injection mo(u)lding not
This space can be filled up completely with, thus produce injection starved defect, affect the outward appearance of product.This utility model leads to
The structure crossing change inserts is avoided producing injection defect, is not required to modify injection forming mold, it is not necessary to
Change molding proces s parameters, one-tenth that can be relatively low originally improved this type of injection mo(u)lding defect, added enterprise
Produce competitiveness.
Accompanying drawing explanation
Fig. 1 is the product structure schematic diagram after insert structure injection mo(u)lding of the prior art；
Fig. 2 is the product front view after insert structure injection mo(u)lding of the prior art；
Fig. 3 is the product knot after the insert structure injection mo(u)lding for injection mo(u)lding of this utility model embodiment
Structure schematic diagram；
Fig. 4 is the product master after the insert structure injection mo(u)lding for injection mo(u)lding of this utility model embodiment
View.
Label declaration:
1, inserts body；11, bending part；12, stage portion；2, plastic cement；R, the radius of circular arc；L、
The width of stage portion；H1, the degree of depth of stage portion；H2, the thickness of bending part.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below
In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
The design of this utility model most critical is: arrange stage portion at bending part, increases the filling of plastic cement
Space, can avoid producing injection starved defect.
Refer to Fig. 3 and Fig. 4, a kind of insert structure for injection mo(u)lding, including inserts body 1, described
Having bending part 11 on inserts body 1, described bending part 11 is provided with stage portion 12.
Knowable to foregoing description, the beneficial effects of the utility model are: on the bending part 11 of inserts body 1
It is provided with stage portion 12, it is possible to increase the distance between bending part 11 and the injection mold of inserts, thus expands plastic cement
The packing space of 2, makes plastic cement 2 to be filled up completely with.Avoid between inserts body 1 and mould because of produce narrow and small,
Sharp-pointed angle space, and cause can not being filled up completely with during injection mo(u)lding this space, thus produce injection starved
Defect, affects the outward appearance of product.
When insert structure occurs to be molded starved defect after moulding, research and development or technical staff often expect
Be by adjust injection parameters or amendment mould enter gate location, make plastic cement 2 preferentially fills be difficult to filling
Full region, or the preferable material of selecting liquidity fills the fullest region；So not being readily conceivable that from embedding
The structure entering part improves.
And this utility model avoids producing injection defect by the structure of change inserts, it is not required to injection mo(u)lding
Mould is modified, it is not necessary to change molding proces s parameters, one-tenth that can be relatively low improved this type of injection mo(u)lding originally
Defect, can increase the production competitiveness of enterprise.
Further, degree of depth h1 of described stage portion is the half of thickness h 2 of described bending part.
Seen from the above description, when the half of the thickness h that degree of depth h1 is bending part 2 of stage portion, both may be used
Make between inserts and mould, to leave enough spaces, facilitate plastic cement 2 to be filled up completely with, prevent injection defect,
Can avoid again affecting the performance of product because the bending part 11 of inserts is the thinnest.
Further, degree of depth h1 of described stage portion is the 0.47-0.49 of thickness h 2 of described bending part.
Seen from the above description, as the 0.47-0.49 of the thickness h that degree of depth h1 is bending part 2 of stage portion,
Still there is between inserts and mould enough spaces, make being filled up completely with of plastic cement 2, it is to avoid produce injection defect,
And also the intensity of inserts can be increased further, improve the service life of product.
Further, described bending part 11 is fillet, and the width L of described stage portion is corresponding with described fillet
The radius R of circular arc is identical.
Seen from the above description, when the radius R of circular arc corresponding to width L and the fillet of stage portion is identical,
The packing space of plastic cement 2 can be increased, make plastic cement 2 be filled up completely with, prevent injection defect.
Further, described inserts body 1 and the described one-body molded setting of stage portion 12.
Seen from the above description, stage portion 12 and the one-body molded setting of inserts body 1, simplify inserts body
The moulding process of 1, and diel only need to make simple amendment, it is not necessary to new molding jig, can reduce production cost.
Further, described bending part 11 includes the first straight portion and second straight portion, the described first straight portion and second
Straight portion connects, and the described first straight portion is not equal to 180 ° with the angle of the junction formation of second straight portion, described
Rank portion 12 is arranged at described junction and is positioned at the described first straight portion or marginal position of second straight portion.
Seen from the above description, stage portion 12 is positioned at the first straight portion or marginal position of second straight portion, increases the
Distance between portion or second straight portion and mould always, thus expand the plastic cement 2 filling face at bending part 11
Long-pending, make plastic cement 2 be filled up completely with, it is to avoid injection defect occurs.
Further, described stage portion 12 is arranged along the length direction of the first straight portion or second straight portion.
Further, described stage portion 12 is arranged along the width of the first straight portion or second straight portion.
Seen from the above description, in actual injection moulding process, can be according to bending part 11 concrete position in a mold
Put, stage portion 12 is arranged on the first straight portion or the length direction of second straight portion or width, mould to increase
Glue 2, at the filling area of bending part 11, improves injection quality.
Further, the quantity of described stage portion 12 is two, and two described stage portion 12 lay respectively at institute
State the first straight portion or marginal position of second straight portion.
Seen from the above description, when bending part 11 arranges two stage portion 12, can be avoided by increasing platform
Degree of depth h1 in rank portion increases the plastic cement 2 filling area at bending part 11, not only increases injection quality,
And ensure that the thickness h 2 of bending part, so that it is guaranteed that the intensity of inserts.But, when the quantity of stage portion 12
Time too much, it is unfavorable for the filling of plastic cement 2, injection quality can be affected equally.
Refer to Fig. 3 and Fig. 4, embodiment one of the present utility model is:
A kind of insert structure for injection mo(u)lding, including inserts body 1, inserts body 1 is provided with bending part
11, bending part 11 is provided with stage portion 12.
Bending part 11 includes that the first straight portion and second straight portion, the first straight portion are connected with second straight portion, the first straight portion
The angle formed with the junction of second straight portion is not equal to 180 °, and stage portion 12 is arranged at junction, step
The quantity in portion 12 is two, and two stage portion 12 lay respectively at the marginal position in the first straight portion straight along first
The width in portion is arranged.Two stage portion 12 are set, not only can increase the filling area of plastic cement 2, and
Ensure that the thickness h 2 of bending part, add the intensity of inserts, improve injection quality.
Degree of depth h1 of stage portion is the half of the thickness h 2 of the bending part on inserts body 1.When stage portion
When degree of depth h1 is the half of thickness h 2 of the bending part on inserts body 1, plastic cement 2 both can be facilitated to fill out completely
Fill, can avoid again affecting the serviceability of product.During because degree of depth h1 of stage portion is too deep, bending can be caused
The thickness h 2 in portion is relatively thin, thus reduces the bulk strength of inserts body 1, makes the product after injection mo(u)lding easy
Damage.
When bending part 11 is fillet, the radius R of the circular arc corresponding with fillet for width L of stage portion (refers to
Shown in R in Fig. 4) identical.When the radius R of circular arc corresponding with fillet for the width L of stage portion is identical,
The width L of stage portion can make plastic cement 2 be sufficient filling with, so that avoiding producing injection starved defect.
During production, carry out even material strip punching press according to the profile of inserts body 1, suppress qualified inserts body 1,
And suppress stage portion 12 at corresponding bending part 11, stage portion 12 is compressing with inserts body 1 one,
Production technology can be simplified.During punching press, only diel need to be carried out simple modification, without new molding jig,
Die manufacturing cost can be saved.
Embodiment two of the present utility model is:
A kind of insert structure for injection mo(u)lding, sees embodiment one, the present embodiment for injection mo(u)lding
The difference of insert structure and embodiment one be:
Degree of depth h1 of stage portion is the 0.47-0.49 of the thickness h 2 of the bending part on inserts body 1.Work as step
When degree of depth h1 in portion is the 0.47-0.49 of thickness h 2 of bending part, still have between inserts and mould enough
Space, make being filled up completely with of plastic cement 2, it is to avoid produce injection defect, and also inserts can be increased further
Intensity, improve product service life.
In sum, a kind of insert structure for injection mo(u)lding that this utility model provides, not only can avoid
Produce injection defect, and without modifying injection forming mold, one-tenth that can be relatively low improved this originally
Class injection mo(u)lding defect, adds the production competitiveness of enterprise.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalents utilizing this utility model description and accompanying drawing content to be made, or be directly or indirectly used in
Relevant technical field, is the most in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. the insert structure for injection mo(u)lding, it is characterised in that include inserts body, described inserts
Having bending part on body, described bending part is provided with stage portion.
Insert structure for injection mo(u)lding the most according to claim 1, it is characterised in that described
The degree of depth in rank portion is the half of the thickness of described bending part.
Insert structure for injection mo(u)lding the most according to claim 1, it is characterised in that described
The degree of depth in rank portion is the 0.47-0.49 of the thickness of described bending part.
Insert structure for injection mo(u)lding the most according to claim 1, it is characterised in that described folding
Turn of bilge is fillet, and the radius of the circular arc that the width of described stage portion is corresponding with described fillet is identical.
Insert structure for injection mo(u)lding the most according to claim 1, it is characterised in that described embedding
Part body and the one-body molded setting of described stage portion.
Insert structure for injection mo(u)lding the most according to claim 1, it is characterised in that described folding
Turn of bilge includes that the first straight portion and second straight portion, the described first straight portion are connected with second straight portion, the described first straight portion
The angle formed with the junction of second straight portion is not equal to 180 °, and described stage portion is arranged at described junction also
It is positioned at the described first straight portion or marginal position of second straight portion.
Insert structure for injection mo(u)lding the most according to claim 6, it is characterised in that described
Rank portion is arranged along the length direction of the first straight portion or second straight portion.
Insert structure for injection mo(u)lding the most according to claim 6, it is characterised in that described
Rank portion is arranged along the width of the first straight portion or second straight portion.
Insert structure for injection mo(u)lding the most according to claim 6, it is characterised in that described
The quantity in rank portion is two or more, and plural described stage portion lays respectively at the described first straight portion or second
The marginal position in straight portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072621.5U CN205522232U (en) | 2016-01-25 | 2016-01-25 | A inserts structure for injection moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072621.5U CN205522232U (en) | 2016-01-25 | 2016-01-25 | A inserts structure for injection moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205522232U true CN205522232U (en) | 2016-08-31 |
Family
ID=56770489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620072621.5U Active CN205522232U (en) | 2016-01-25 | 2016-01-25 | A inserts structure for injection moulding |
Country Status (1)
| Country | Link |
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| CN (1) | CN205522232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500605A (en) * | 2016-01-25 | 2016-04-20 | 深圳市信维通信股份有限公司 | Insert structure for injection moulding |
-
2016
- 2016-01-25 CN CN201620072621.5U patent/CN205522232U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500605A (en) * | 2016-01-25 | 2016-04-20 | 深圳市信维通信股份有限公司 | Insert structure for injection moulding |
| CN105500605B (en) * | 2016-01-25 | 2018-10-12 | 深圳市信维通信股份有限公司 | A kind of insert structure for injection molding |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |