CN208946584U - A kind of integrated cast structure of automobile door sill bracket plastic mould - Google Patents
A kind of integrated cast structure of automobile door sill bracket plastic mould Download PDFInfo
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- CN208946584U CN208946584U CN201821346441.7U CN201821346441U CN208946584U CN 208946584 U CN208946584 U CN 208946584U CN 201821346441 U CN201821346441 U CN 201821346441U CN 208946584 U CN208946584 U CN 208946584U
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- injection molding
- bracket
- molding cavity
- door sill
- threshold
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Abstract
The utility model relates to technical field of mold, it discloses a kind of integrated cast structures of automobile door sill bracket plastic mould, including injection mould, it is provided on the injection mould for being respectively formed automobile left-hand door sill bracket injection molding cavity, a pair of of threshold bracket injection molding cavity of Automobile Right threshold bracket injection molding cavity, the cavity wall of the threshold bracket injection molding cavity includes being used to form the back side cavity wall at the threshold bracket back side, a pair of of threshold bracket injection molding cavity is spaced apart on the injection mould, and a number of casting channel is distributed between a pair of of threshold bracket injection molding cavity, each casting channel is by the left-hand door sill bracket injection molding cavity, right threshold bracket injection molding cavity is connected, it is equipped with the junction of the threshold bracket injection molding cavity into cast gate on the casting channel, it is described to be connected to the threshold branch into cast gate The back side cavity wall of frame injection molding cavity.The utility model improve automobile door sill bracket item injection molding quality and injection efficiency, die cost it is low.
Description
Technical field
The utility model relates to technical field of mold, and in particular to a kind of casting knot of automobile door sill bracket plastic mould
Structure.
Background technique
It is illustrated in figure 5 a kind of automobile door sill bracket item, uses injection mould injection molding.
When being poured automobile door sill bracket using injection mould, need to be arranged on mold connection mold cavity into cast gate.
When casting, plastic liquid enters casting channel (runner) by the sprue (moulder inlet) of injection mould, and passes through casting
Channel (runner) front end into cast gate, flow to mold cavity, after molding die sinking obtain automobile door sill bracket product.
There are some defects in the injection mould for manufacturing automobile automobile door sill bracket item in the prior art, especially in structure design
Be cast gate in terms of and it is not perfect, to directly influence the quality of molded product.
Therefore, the injection mould of existing automobile automobile door sill bracket item needs further improvement.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of integrated cast structure of automobile door sill bracket plastic mould,
It is intended to improve the injection molding quality of automobile door sill bracket item, specific technical solution is as follows:
A kind of integrated cast structure of automobile door sill bracket plastic mould, including injection mould are arranged on the injection mould useful
It is molded in a pair of of the threshold bracket item for being respectively formed automobile left-hand door sill bracket injection molding cavity, Automobile Right threshold bracket injection molding cavity
Chamber, the cavity wall of the threshold bracket injection molding cavity include being used to form the back side cavity wall at the threshold bracket back side, described a pair
Threshold bracket injection molding cavity is spaced apart on the injection mould, and is distributed between a pair of of threshold bracket injection molding cavity
There is a number of casting channel, the left-hand door sill bracket injection molding cavity, right threshold bracket item are infused in each casting channel
Modeling chamber is connected, and is equipped with the junction of the threshold bracket injection molding cavity on the casting channel into cast gate, described into pouring
Mouth is connected to the back side cavity wall of the threshold bracket injection molding cavity.
In above-mentioned technical proposal, by the back for being connected to threshold bracket injection molding cavity into cast gate on the casting channel of injection mould
Face cavity wall sprue gate trace can occur to avoid automobile door sill bracket item front position and influence its appearance, so as to have
Effect improves the overall appearance quality of automobile automobile door sill bracket item.On the other hand, a kind of automobile door sill bracket of the utility model
The integrated cast structure of plastic mould on a secondary injection mould by being arranged a pair of of threshold bracket injection molding cavity, and by automobile left-hand door sill
Bracket injection molding cavity, Automobile Right threshold bracket injection molding cavity are connected by being poured channel, not only simplify the design of mold, are reduced
Die cost, and realize a secondary injection mould while being molded by automobile left-hand door sill bracket, Automobile Right threshold bracket, to improve
The efficiency of injection molding.
One of as a preferred embodiment of the present invention, the casting number of channels is four.
As a preferred embodiment of the present invention two, the casting channel is integral into domes, and in the casting
It is equipped with the connecting pin of the threshold bracket injection molding cavity for being connected to the injection molding of threshold bracket item into cast gate for described on channel
The turn of the back side cavity wall of chamber.
Integral into domes, it is more smooth to advantageously allow plastic liquid flowing in injection molding in above-mentioned casting channel, from
And improve the quality of injection molding.
As a preferred embodiment of the present invention three, the cross sectional shape in the casting channel is inverted trapezoidal structure, and institute
State inverted trapezoidal be located at its bottom two sides apex angle be equipped with transition chamfering, the chamfering be fillet.
Further, the upper edge lengths of the inverted trapezoidal are 9~11mm, and the height of the inverted trapezoidal is 6~8mm, described
Two waists of inverted trapezoidal are 93~95 ° relative to the angle of the top of the inverted trapezoidal, the size of the fillet be R2.5~
R3.5mm。
As a preferred embodiment of the present invention four, the front elevational sectional into cast gate is the flat mouth of rectangle.
Further, the length dimension of the flat mouth of the rectangle is 9~11mm, width dimensions are 0.9~1.1mm.
As a preferred embodiment of the present invention five, the back that the threshold bracket injection molding cavity is connected into cast gate
Edge in the cavity wall of face and close to the back side cavity wall.
It is furthermore preferred that the distance at the edge into cast gate close to the back side cavity wall is 0.2~0.3mm.
In the utility model, the casting channel connects the sprue of the injection mould.
The beneficial effects of the utility model are:
First, the integrated cast structure of a kind of automobile door sill bracket plastic mould of the utility model, by the casting of injection mould
The back side cavity wall that threshold bracket injection molding cavity is connected into cast gate on channel, can be to avoid automobile door sill bracket item front position
There is sprue gate trace and influence its appearance, so as to effectively improve the overall appearance matter of automobile automobile door sill bracket item
Amount.
Second, the integrated cast structure of a kind of automobile door sill bracket plastic mould of the utility model, by a secondary injection molding
A pair of of threshold bracket injection molding cavity is set on mould, and automobile left-hand door sill bracket injection molding cavity, Automobile Right threshold bracket item are molded
Chamber is connected by being poured channel, is not only simplified the design of mold, is reduced die cost, and realizes a secondary injection mould simultaneously
It is molded by automobile left-hand door sill bracket, Automobile Right threshold bracket, to improve the efficiency of injection molding.
Third, a kind of integrated cast structure of automobile door sill bracket plastic mould of the utility model, casting channel integral into
Domes, advantageously allow plastic liquid injection molding when flowing it is more smooth, to improve the quality of injection molding.
4th, the integrated cast structure of a kind of automobile door sill bracket plastic mould of the utility model, by optimizing into cast gate
Layout, the design of structure design and size with casting channel, the mobility of plastics when improving casting, one side can be effective
It avoids shrinking the open defects such as sagging, fusion line, on the other hand can effectively reduce the residual stress on cast gate periphery, reduce product
Deformation, to improve product quality.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure signal of the integrated cast structure of automobile door sill bracket plastic mould of the utility model
Figure；
Fig. 2 is the cross sectional shape schematic diagram in the casting channel in Fig. 1；
Fig. 3 is that schematic diagram (partial view) is arranged into gate location in Fig. 1；
Fig. 4 is the structural schematic diagram (partial view) into cast gate in Fig. 1；
Fig. 5 is the structural schematic diagram of automobile door sill bracket item.
In figure: 1, left-hand door sill bracket injection molding cavity, 2, right threshold bracket injection molding cavity, 3, back side cavity wall, 4, casting channel,
5, into cast gate, 6, turn, 7, the flat mouth of rectangle, 8, positive cavity wall.
In figure: L is the upper edge lengths of inverted trapezoidal, and H is the height of inverted trapezoidal, and R is the apex angle of the bottom two sides of inverted trapezoidal
The fillet of upper setting, θ be inverted trapezoidal two waists relative to inverted trapezoidal top angle, A be into cast gate close to the back side chamber
The distance at the edge of wall.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As Fig. 1 to 5 show a kind of implementation of the integrated cast structure of automobile door sill bracket plastic mould of the utility model
Example, including injection mould are provided with for being respectively formed automobile left-hand door sill bracket injection molding cavity 1, Automobile Right door on the injection mould
A pair of of threshold bracket injection molding cavity of sill bracket injection molding cavity 2, the cavity wall of the threshold bracket injection molding cavity include being used to form
The back side cavity wall 3 at the threshold bracket back side, a pair of of threshold bracket injection molding cavity are spaced apart on the injection mould, and
A number of casting channel 4, each casting channel are distributed between a pair of of threshold bracket injection molding cavity 1,2
4 are connected the left-hand door sill bracket injection molding cavity 1, right threshold bracket injection molding cavity 2, on the casting channel 4 with it is described
The junction of threshold bracket injection molding cavity 1,2 is equipped with into cast gate 5, described to be connected to the threshold bracket injection molding cavity into cast gate 5
1,2 back side cavity wall 3.
In above-mentioned technical proposal, by the casting channel 4 of injection mould into cast gate 5 be connected to threshold bracket injection molding cavity 1,
2 back side cavity wall 3 sprue gate trace can occurs to avoid automobile door sill bracket item front position and influence its appearance, thus
It can effectively improve the overall appearance quality of automobile automobile door sill bracket item.On the other hand, a kind of car door of the utility model
The integrated cast structure of sill bracket plastic mould is incited somebody to action by the way that a pair of of threshold bracket injection molding cavity 1,2 is arranged on a secondary injection mould
Automobile left-hand door sill bracket injection molding cavity 1, Automobile Right threshold bracket injection molding cavity 2 are connected by being poured channel 4, not only simplify mould
The design of tool reduces die cost, and realizes a secondary injection mould while being molded by automobile left-hand door sill bracket, Automobile Right threshold
Bracket, to improve the efficiency of injection molding.
One of as a preferred embodiment of the present invention, 4 quantity of casting channel is four.
As a preferred embodiment of the present invention two, the casting channel 4 is integral into domes, and in the casting
It is equipped with the connecting pin of the threshold bracket injection molding cavity 1,2 for being connected to threshold bracket item into cast gate 5 for described on channel 4
The turn 6 of the back side cavity wall 3 of injection molding cavity 1,2.
Integral into domes, it is more smooth to advantageously allow plastic liquid flowing in injection molding in above-mentioned casting channel 4, from
And improve the quality of injection molding.
As a preferred embodiment of the present invention three, the cross sectional shape in the casting channel 4 is inverted trapezoidal structure, and institute
State inverted trapezoidal be located at its bottom two sides apex angle be equipped with transition chamfering, the chamfering be fillet.
Further, the upper edge lengths L of the inverted trapezoidal is 9~11mm, and the height H of the inverted trapezoidal is 6~8mm, institute
It is 93~95 ° that two waists of inverted trapezoidal, which are stated, relative to the angle theta of the top of the inverted trapezoidal, the size of the fillet R be R2.5~
R3.5mm。
As a preferred embodiment of the present invention four, the front elevational sectional into cast gate 5 is the flat mouth of rectangle.
Further, the length dimension of the flat mouth of the rectangle is 9~11mm, width dimensions are 0.9~1.1mm.
As a preferred embodiment of the present invention five, it is described to be connected to the threshold bracket injection molding cavity 1,2 into cast gate 5
Back side cavity wall 3 on and close to the back side cavity wall 3 edge.
It is furthermore preferred that the distance A at the edge into cast gate 5 close to the back side cavity wall 3 is 0.2~0.3mm.
In the utility model, the casting channel 4 connects the sprue (being not drawn into figure) of the injection mould.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (10)
1. a kind of integrated cast structure of automobile door sill bracket plastic mould, which is characterized in that including injection mould, on the injection mould
It is provided with a pair of of threshold bracket for being respectively formed automobile left-hand door sill bracket injection molding cavity, Automobile Right threshold bracket injection molding cavity
Injection molding cavity, the cavity wall of the threshold bracket injection molding cavity includes being used to form the back side cavity wall at the threshold bracket back side, described
A pair of of threshold bracket injection molding cavity be spaced apart on the injection mould, and a pair of of threshold bracket injection molding cavity it
Between be distributed with a number of casting channel, each casting channel is by the left-hand door sill bracket injection molding cavity, right threshold branch
Frame injection molding cavity is connected, and is equipped with the junction of the threshold bracket injection molding cavity into cast gate, institute on the casting channel
State the back side cavity wall that the threshold bracket injection molding cavity is connected into cast gate.
2. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that described
Being poured number of channels is four.
3. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that described
Channel is poured integral into domes, and is equipped with and uses with the connecting pin of the threshold bracket injection molding cavity on the casting channel
In by the turn of the back side cavity wall for being connected to threshold bracket injection molding cavity into cast gate.
4. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that described
The cross sectional shape for being poured channel is inverted trapezoidal structure, and the inverted trapezoidal is located at the apex angle of its bottom two sides and falls equipped with transition
Angle, the chamfering are fillet.
5. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 4, which is characterized in that described
The upper edge lengths of inverted trapezoidal are 9~11mm, and the height of the inverted trapezoidal is 6~8mm, and two waists of the inverted trapezoidal are relative to described
The angle of the top of inverted trapezoidal is 93~95 °, and the size of the fillet is R2.5~R3.5mm.
6. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that described
Front elevational sectional into cast gate is the flat mouth of rectangle.
7. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 6, which is characterized in that described
The length dimension of the flat mouth of rectangle is 9~11mm, width dimensions are 0.9~1.1mm.
8. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that described
The edge in the back side cavity wall of the threshold bracket injection molding cavity and close to the back side cavity wall is connected into cast gate.
9. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 8, which is characterized in that described
Distance into cast gate close to the edge of the back side cavity wall is 0.2~0.3mm.
10. a kind of integrated cast structure of automobile door sill bracket plastic mould according to claim 1, which is characterized in that institute
State the sprue that casting channel connects the injection mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346441.7U CN208946584U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile door sill bracket plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346441.7U CN208946584U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile door sill bracket plastic mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208946584U true CN208946584U (en) | 2019-06-07 |
Family
ID=66734250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821346441.7U Active CN208946584U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile door sill bracket plastic mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208946584U (en) |
-
2018
- 2018-08-21 CN CN201821346441.7U patent/CN208946584U/en active Active
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