CN208946583U - A kind of integrated cast structure of automobile wheel arch plastic mould - Google Patents
A kind of integrated cast structure of automobile wheel arch plastic mould Download PDFInfo
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- CN208946583U CN208946583U CN201821346248.3U CN201821346248U CN208946583U CN 208946583 U CN208946583 U CN 208946583U CN 201821346248 U CN201821346248 U CN 201821346248U CN 208946583 U CN208946583 U CN 208946583U
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- wheel arch
- cavity wall
- type chamber
- turning section
- back side
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Abstract
The utility model relates to technical field of mold, it discloses a kind of integrated cast structures of automobile wheel arch plastic mould, including the wheel arch type chamber for being used to form wheel arch injection molding cavity being arranged on injection mould, the wheel arch type chamber includes by inside cavity wall, outside cavity wall, positive cavity wall, back side cavity wall is constituted, circumferentially distributed there is a number of casting channel at the position close to the inside cavity wall, the casting channel includes into cast gate, runner, the runner includes the first turning section being sequentially communicated according to the entering order of plastic cement, second turning section, second turning section extends from the back side cavity wall direction of plastic cement entrance towards the wheel arch type chamber of second turning section and turns round to the back side cavity wall close to the wheel arch type chamber, the front end connection of second turning section is described into cast gate, the back that the wheel arch type chamber is docked into cast gate Face cavity wall is simultaneously connected with the wheel arch type chamber.The quality of the utility model raising wheel arch finished product.
Description
Technical field
The utility model relates to technical field of mold, and in particular to a kind of integrated cast structure of automobile wheel arch plastic mould.
Background technique
Common automobile wheel arch is moulding comprising (wheel arch Inner arc), wheel arch outside (wheel arch outer circle on the inside of wheel arch
Arc), wheel arch front and the wheel arch back side.
When being poured wheel arch using injection mould, need to be arranged on mold connection mold cavity into cast gate.When casting, plastics
Fluid enters runner by the sprue (moulder inlet) of injection mould, and flow to mould into cast gate by runner front end
Tool type chamber, die sinking obtains wheel arch product after molding.
There are some defects in the injection mould for manufacturing automobile wheel arch in the prior art, especially in cast gate in structure design
Design etc. and not perfect, to directly influence the quality of molded product.
Therefore, the injection mould of existing automobile wheel arch needs further improvement.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of integrated cast structures of automobile wheel arch plastic mould, it is intended to logical
The improvement to wheel arch plastic mould integrated cast structure is crossed, the quality of wheel arch finished product is improved.Specific technical solution is as follows:
A kind of integrated cast structure of automobile wheel arch plastic mould, including injection mould, the injection mould are equipped with and are used to form wheel
The wheel arch type chamber of eyebrow injection molding cavity, the wheel arch type chamber include by be used to form on the injection mould inside cavity wall on the inside of wheel arch,
The back side for being used to form the outside cavity wall on the outside of wheel arch, being used to form the positive positive cavity wall of wheel arch, being used to form the wheel arch back side
Cavity wall is constituted, and has an a number of casting channel the position close to the inside cavity wall is circumferentially distributed, the casting is logical
Road include into the runner described in cast gate, connection into cast gate, the back side cavity wall that the wheel arch type chamber is connected into cast gate, it is described
Runner includes the first turning section being sequentially communicated, the second turning section according to the entering order of plastic cement, first turning section from
The plastic cement entrance of first turning section turns round to the inside cavity wall close to the wheel arch type chamber, and second turning section is from described
The back side cavity wall direction of the plastic cement entrance of second turning section towards the wheel arch type chamber extends and turns round to close to the wheel arch type
The front end connection of the back side cavity wall of chamber, second turning section is described into cast gate, described to dock the wheel arch type chamber into cast gate
Back side cavity wall is simultaneously connected with the wheel arch type chamber.
In above-mentioned technical proposal, the first turning section, the second turning section are provided on the casting channel of injection mould, so that into
Cast gate is connectable to the back side cavity wall of wheel arch type chamber, in this way can be to avoid wheel arch front, wheel arch inside and wheel arch outside left
There is sprue gate trace and influence its appearance, so as to effectively improve the overall appearance quality of automobile wheel arch.
One of as a preferred embodiment of the present invention, the quantity in the casting channel is four.
As a preferred embodiment of the present invention two, the front elevational sectional into cast gate is the flat mouth of rectangle, the rectangle
The one pair of them of flat mouth are diagonally equipped with circular arc chamfering.
As a preferred embodiment of the present invention three, the length dimension of the flat mouth of rectangle is 14~16mm, broad-ruler
Very little is 1.1~1.3mm.
As a preferred embodiment of the present invention four, in the circular arc chamfering, close to one end of the inside cavity wall
Circular arc chamfering size be R0.4~R0.6mm, the circular arc chamfering size of one end far from the inside cavity wall be R0.8~
R1.2mm。
As a preferred embodiment of the present invention five, the cross sectional shape of the runner is inverted trapezoidal structure, and described
The apex angle that inverted trapezoidal is located at its bottom two sides is equipped with transition chamfering, and the chamfering is fillet.
As a preferred embodiment of the present invention six, the upper edge lengths of the inverted trapezoidal are 10~14mm, the ladder
The height of shape is 5~7mm.
As a preferred embodiment of the present invention seven, the top of two waists of the inverted trapezoidal relative to the inverted trapezoidal
Angle is 77~79 °.
As a preferred embodiment of the present invention eight, the size of the fillet is R2.5~R3.5mm.
The angle of top and the setting of bottom roundings of two waists of the inverted trapezoidal of above-mentioned cross section of fluid channel relative to the inverted trapezoidal
It sets, so that two waists of the inverted trapezoidal of cross section of fluid channel have biggish inclination angle, the stream of plastics when one side can improve casting
Dynamic property, the demoulding after on the other hand enabling to casting is more smooth, and cast gate will not be torn when being conducive to protection demoulding, to protect wheel
Eyebrow is in the quality at cast gate.
In the utility model, the runner 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 wheel arch plastic mould of the utility model, on the casting channel of injection mould
It is provided with the first turning section, the second turning section, so that being connectable to the back side cavity wall of wheel arch type chamber into cast gate, can be kept away in this way
Exempt from wheel arch front, wheel arch inside and wheel arch outside left sprue gate trace occur and influence its appearance, so as to effectively mention
The overall appearance quality of high automobile wheel arch.
Second, a kind of integrated cast structure of automobile wheel arch plastic mould of the utility model, the two of the inverted trapezoidal of cross section of fluid channel
Setting of the waist relative to the angle and bottom roundings of the top of the inverted trapezoidal, so that two waists of the inverted trapezoidal of cross section of fluid channel have
Biggish inclination angle, the mobility of plastics when one side can improve casting, the demoulding after on the other hand enabling to casting
More smoothly, cast gate will not be torn when being conducive to protection demoulding, to protect wheel arch in the quality at cast gate.
Third, the integrated cast structure of a kind of automobile wheel arch plastic mould of the utility model, by optimizing into cast gate and shunting
Layout, the design of structure design and size in road, the mobility of plastics when improving casting, one side can effectively avoid shrinking
On the other hand the open defects such as sagging, fusion line can effectively reduce the residual stress on cast gate periphery, reduce deformation of products, from
And improve product quality.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the integrated cast structure of automobile wheel arch plastic mould of the utility model；
Fig. 2 is the fragmentary three-dimensional view of Fig. 1；
Fig. 3 is the structural schematic diagram in the casting channel in Fig. 1；
Fig. 4 is the cross sectional shape schematic diagram of runner；
Fig. 5 is the structural schematic diagram of the diagonal setting circular arc chamfering of the flat mouth of rectangle.
In figure: 1, wheel arch type chamber, 2, inside cavity wall, 3, outside cavity wall, 4, positive cavity wall, 5, back side cavity wall, 6, casting it is logical
Road, 7, into cast gate, 8, runner, the 9, first turning section, the 10, second turning section, 11, the flat mouth of rectangle.
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.
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 embodiment of the integrated cast structure of automobile wheel arch plastic mould of the utility model, including
Injection mould, the injection mould are equipped with the wheel arch type chamber 1 for being used to form wheel arch injection molding cavity, and the wheel arch type chamber 1 includes by described
It is used to form the inside cavity wall 2 on the inside of wheel arch on injection mould, the outside cavity wall 3 being used to form on the outside of wheel arch, is used to form wheel arch
Positive front cavity wall 4, the back side cavity wall 5 for being used to form the wheel arch back side are constituted, on the position edge close to the inside cavity wall 2
Circumferentially distributed to have a number of casting channel 6, the casting channel 6 includes into cast gate 7, the connection shunting into cast gate 7
Road 8, the back side cavity wall 5 that the wheel arch type chamber 1 is connected into cast gate 7, the runner 8 include according to the entering order of plastic cement
The first turning section 9, the second turning section 10 being sequentially communicated, plastic cement entrance of first turning section 9 from first turning section 9
It turns round to the inside cavity wall 2 close to the wheel arch type chamber 1, second turning section 10 enters from the plastic cement of second turning section 10
Mouth extends towards 5 direction of back side cavity wall of the wheel arch type chamber 1 and turns round to the back side cavity wall 5 close to the wheel arch type chamber 1, institute
The front end connection for stating the second turning section 10 is described into cast gate 7, described to dock the back side cavity wall 5 of the wheel arch type chamber 1 simultaneously into cast gate 7
It is connected with the wheel arch type chamber 1.
In above-mentioned technical proposal, it is provided with the first turning section 9, the second turning section 10 on the casting channel 6 of injection mould, makes
The back side cavity wall that wheel arch type chamber 1 is connectable into cast gate 7 is obtained, it in this way can be to avoid on the inside of wheel arch front, wheel arch and outside wheel arch
There is sprue gate trace and influences its appearance in side, so as to effectively improve the overall appearance quality of automobile wheel arch.
The quantity of one of preferred embodiment as the present embodiment, the casting channel 6 is four.
Two of preferred embodiment as the present embodiment, the front elevational sectional into cast gate 7 are the flat mouth 11 of rectangle, the rectangle
The one pair of them of flat mouth 11 are diagonally equipped with circular arc chamfering.
Three of preferred embodiment as the present embodiment, the length dimension of the flat mouth 11 of rectangle are 14~16mm, broad-ruler
Very little is 1.1~1.3mm.
Four of preferred embodiment as the present embodiment, in the circular arc chamfering, close to one end of the inside cavity wall 2
Circular arc chamfering size is R0.4~R0.6mm, the circular arc chamfering size of one end far from the inside cavity wall 2 be R0.8~
R1.2mm。
Five of preferred embodiment as the present embodiment, the cross sectional shape of the runner 8 are inverted trapezoidal structure, and it is described fall
The trapezoidal apex angle positioned at its bottom two sides is equipped with transition chamfering, and the chamfering is fillet.
Six of preferred embodiment as the present embodiment, the upper edge lengths L of the inverted trapezoidal are 10~14mm, the inverted trapezoidal
Height H be 5~7mm
Seven of preferred embodiment as the present embodiment, the folder of two waists of the inverted trapezoidal relative to the top of the inverted trapezoidal
Angle θ is 77~79 °.
Eight of preferred embodiment as the present embodiment, the size of the fillet are R2.5~R3.5mm.
The angle of top and the setting of bottom roundings of two waists of the inverted trapezoidal of above-mentioned cross section of fluid channel relative to the inverted trapezoidal
It sets, so that two waists of the inverted trapezoidal of cross section of fluid channel have biggish inclination angle, the stream of plastics when one side can improve casting
Dynamic property, the demoulding after on the other hand enabling to casting is more smooth, and cast gate will not be torn when being conducive to protection demoulding, to protect wheel
Eyebrow is in the quality at cast gate.
In the present embodiment, the runner 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 wheel arch plastic mould, which is characterized in that including injection mould, the injection mould, which is equipped with, to be used
In the wheel arch type chamber for forming wheel arch injection molding cavity, the wheel arch type chamber includes by being used to form on the inside of wheel arch on the injection mould
Side chamber wall, the outside cavity wall being used to form on the outside of wheel arch are used to form the positive positive cavity wall of wheel arch, are used to form the wheel arch back side
Back side cavity wall constituted, have an a number of casting channel the position close to the inside cavity wall is circumferentially distributed, it is described
Being poured channel includes into the runner described in cast gate, connection into cast gate, the back side chamber that the wheel arch type chamber is connected into cast gate
Wall, the runner include the first turning section being sequentially communicated, the second turning section according to the entering order of plastic cement, and described first turns
Curved segment is turned round from the plastic cement entrance of first turning section to the inside cavity wall close to the wheel arch type chamber, second turning section
Extend from the back side cavity wall direction of plastic cement entrance towards the wheel arch type chamber of second turning section and turns round to described in
The back side cavity wall of wheel arch type chamber, the front end connection of second turning section is described into cast gate, described to dock the wheel arch into cast gate
The back side cavity wall of type chamber is simultaneously connected with the wheel arch type chamber.
2. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 1, which is characterized in that the casting is logical
The quantity in road is four.
3. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 1, which is characterized in that described into cast gate
Front elevational sectional be the flat mouth of rectangle, the one pair of them of the flat mouth of rectangle are diagonally equipped with circular arc chamfering.
4. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 3, which is characterized in that the rectangle is flat
The length dimension of mouth is 14~16mm, width dimensions are 1.1~1.3mm.
5. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 3, which is characterized in that the circular arc falls
In angle, the circular arc chamfering size close to one end of the inside cavity wall is R0.4~R0.6mm, far from the inside cavity wall
One end circular arc chamfering size be R0.8~R1.2mm.
6. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 1, which is characterized in that the runner
Cross sectional shape be inverted trapezoidal structure, and the inverted trapezoidal is located at the apex angle of its bottom two sides equipped with transition chamfering, described
Chamfering is fillet.
7. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 6, which is characterized in that the inverted trapezoidal
Upper edge lengths be 10~14mm, the height of the inverted trapezoidal is 5~7mm.
8. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 6, which is characterized in that the inverted trapezoidal
Two waists relative to the angle of the top of the inverted trapezoidal be 77~79 °.
9. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 6, which is characterized in that the fillet
Size is R2.5~R3.5mm.
10. a kind of integrated cast structure of automobile wheel arch plastic mould according to claim 1, which is characterized in that the shunting
Road connects the sprue of the injection mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346248.3U CN208946583U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile wheel arch plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346248.3U CN208946583U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile wheel arch plastic mould |
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| Publication Number | Publication Date |
|---|---|
| CN208946583U true CN208946583U (en) | 2019-06-07 |
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ID=66734186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821346248.3U Active CN208946583U (en) | 2018-08-21 | 2018-08-21 | A kind of integrated cast structure of automobile wheel arch plastic mould |
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| Country | Link |
|---|---|
| CN (1) | CN208946583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146963A (en) * | 2021-03-30 | 2021-07-23 | 郑州大学 | Sprue structure, method and mold for improving temperature uniformity of melt in injection molding sprue area |
-
2018
- 2018-08-21 CN CN201821346248.3U patent/CN208946583U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146963A (en) * | 2021-03-30 | 2021-07-23 | 郑州大学 | Sprue structure, method and mold for improving temperature uniformity of melt in injection molding sprue area |
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