CN207787659U - Die casting - Google Patents
Die casting Download PDFInfo
- Publication number
- CN207787659U CN207787659U CN201820072406.4U CN201820072406U CN207787659U CN 207787659 U CN207787659 U CN 207787659U CN 201820072406 U CN201820072406 U CN 201820072406U CN 207787659 U CN207787659 U CN 207787659U
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- China
- Prior art keywords
- wall
- pipeline section
- die casting
- tube wall
- cast gate
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- 238000004512 die casting Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 11
- 239000003818 cinder Substances 0.000 claims description 5
- 230000003628 erosive effect Effects 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a kind of die casting, which includes：Mode, with die cavity and the cast gate being connected to die cavity, die cavity includes top surface, the bottom surface opposite with top surface and the circumferential surface between top surface and bottom surface, and there is the cambered surface protruded to bottom surface, cast gate to be opened in circumferential surface and the side adjacent to cambered surface close to bottom surface for top surface；And first flow structure, it is connected to cast gate, the inner wall of first flow structure is formed with guide groove at neighbouring cast gate, and liquid founding materials being oriented to the depths of die cavity by guide groove.The utility model die casting is avoided that the die casting after forming erosion or cracking phenomena occurs at corresponding cambered surface, improves the yields of die casting.
Description
Technical field
The utility model is related to die-casting technique field, more particularly to a kind of die casting.
Background technology
The production principle of die casting is：The product alloy material of liquid is in the state of high temperature and pressure by runner into cast gate
In high speed injection mold cavity, fast cooling shaping, and because the cross sectional dimensions into cast gate is very small, cause material from into pouring
Shooting speed when mouth comes out is very high.Can be shaped in certain die castings, on end face it is fluted, and the bottom wall of groove with
The junction of side wall forms cambered surface, in press casting procedure, position face of the mold in forming cambered surface for shaping the die casting
The impact for the fluid founding materials for making the cambered surface directly bear high speed into cast gate causes the die casting after forming in the cambered surface
There is erosion even seminess in place, causes the yields of die casting relatively low.
Utility model content
The main purpose of the utility model is to propose a kind of die casting, it is intended to solve the non-defective unit of die casting in the prior art
The low technical problem of rate.
To achieve the above object, the utility model proposes die casting, including：
Mode, with die cavity and the cast gate that is connected to the die cavity, the die cavity includes top surface, opposite with the top surface
Bottom surface and the circumferential surface between the top surface and bottom surface, the top surface has the cambered surface protruded to the bottom surface, described
Cast gate is opened in the circumferential surface and the side adjacent to the cambered surface close to the bottom surface；And
First flow structure is connected to the cast gate, the inner wall of the first flow structure at the neighbouring cast gate at
Shape has a guide groove, and liquid founding materials being oriented to the depths of the die cavity by the guide groove.
Preferably, the trapezoidal tubulose setting of the first flow structure, and the width dimensions of the first flow structure are big
In its thickness, the first flow structure includes the upper tube wall extended along its width direction, and the upper tube wall is close to described
Top surface, the guide groove are opened on the upper tube wall.
Preferably, the inner wall of the guide groove includes the first wall surface and the second wall surface, and a side of first wall surface is adjacent
The nearly cast gate, and first wall surface tilts extension upwards along the direction far from the circumferential surface and bottom surface；Second wall surface
It is crossed to form angle with first wall surface and tilts down extension along the direction far from the circumferential surface and top surface.
Preferably, the angle that first wall surface and the second wall surface are crossed to form is more than 80 ° and is less than 100 °.
Preferably, the angle that first wall surface and the second wall surface are crossed to form is right angle.
Preferably, the first flow structure includes the first pipeline section and the second pipeline section to connect, first pipeline section and institute
Cast gate connection is stated, and the thickness of first pipeline section is less than the thickness of second pipeline section, the guide groove forms in described the
The position of neighbouring first pipeline section on two pipeline sections.
Preferably, the upper tube wall of second pipeline section is concordant with the upper tube wall of the first pipeline section, first wall surface
A side is connect with the side of the upper tube wall of first pipeline section, and a side of second wall surface is upper with second pipeline section
The side of tube wall connects.
Preferably, the length of the upper tube wall of first pipeline section is more than 1.5mm and is less than 2mm.
Preferably, the first flow structure further includes the lower tube wall opposite with the upper tube wall, first pipeline section
The transition wall opposite with the guide groove is connected between lower tube wall and the lower tube wall of the second pipeline section, the transition wall is parallel to institute
State the equal length of the second wall surface and the length of the transition wall and second wall surface.
Preferably, the die casting further includes second flow channel structure, and the one end of the mode far from the cast gate opens up
There is overflow port, the second flow channel structure to connect with the overflow port, the second flow channel structure far from the overflow port one
End offers exhaust outlet, and is formed with cinder ladle between the overflow port and exhaust outlet.
The utility model die casting by the way that the inner wall of first flow structure is shaped guide groove in the position of neighbouring cast gate,
So that liquid founding materials first flow to guide groove before entering die cavity, then the depth of die cavity is flowed under the guiding role of guide groove
Place, the liquid founding materials directly impact for avoiding high speed is located at the cambered surface above bottom surface, to avoid the die casting after forming
There is erosion or cracking phenomena at corresponding cambered surface, improves the yields of die casting.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the diagrammatic cross-section of one embodiment of the utility model die casting；
Fig. 2 is the partial enlarged view at A in Fig. 1.
Drawing reference numeral explanation：
| Label | Title | Label | Title | Label | Title |
| 10 | Die cavity | 11 | Top surface | 12 | Bottom surface |
| 13 | Circumferential surface | 14 | Cambered surface | 20 | First flow structure |
| 21 | Guide groove | 30 | Second flow channel structure | 31 | Exhaust outlet |
| 32 | Cinder ladle | 15 | Overflow port | 211 | First wall surface |
| 212 | Second wall surface | 27 | The lower tube wall of first pipeline section | 28 | The upper tube wall of first pipeline section |
| 22 | The upper tube wall of second pipeline section | 23 | The lower tube wall of second pipeline section | 24 | First pipeline section |
| 25 | Second pipeline section | 26 | Transition wall | 16 | Cast gate |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of die castings.
In the utility model embodiment, as depicted in figs. 1 and 2, which includes：
Mode, with die cavity 10 and the cast gate 16 being connected to the die cavity 10, the die cavity 10 includes top surface 11 and institute
State the opposite bottom surface 12 in top surface 11 and the circumferential surface 13 between the top surface 11 and bottom surface 12, the top surface 11 have to
The cambered surface 14 that the bottom surface 12 is protruded, the cast gate 16 is opened in the circumferential surface 13 and the neighbouring cambered surface 14 is close to the bottom surface
12 side；And
First flow structure 20 is connected to the cast gate 16, and the inner wall of the first flow structure 20 is poured adjacent to described
It is formed with guide groove 21 at mouthful, liquid founding materials being oriented to the depths of the die cavity by the guide groove 21.
In the present embodiment, die cavity 10 is to shape die casting, top surface 11 in the upper surface forming pockets of die casting,
Cambered surface 14 is to the junction between the bottom wall and side wall of forming pockets.First flow structure 20 is with for liquid founding materials stream
Dynamic, guide groove 21 will be will will enter the depths that the liquid founding materials of die cavity 10 are oriented to die cavity 10, while also in certain journey
Cushioning effect is played to liquid founding materials on degree.
The utility model die casting is oriented to by shaping the inner wall of first flow structure 20 in the position of neighbouring cast gate
Slot 21 so that liquid founding materials first flow to guide groove 21 before entering die cavity 10, then under the guiding role of guide groove 21
The depths for flowing to die cavity 10 avoids cambered surface 14 of the liquid founding materials directly impact positioned at top surface 11 of high speed, to avoid
There is erosion or cracking phenomena at corresponding cambered surface 14 in die casting after forming, improves the yields of die casting.
Further, as shown in Fig. 2, 20 trapezoidal tubulose of the first flow structure is arranged, and the first flow knot
The width dimensions of structure 20 are more than its thickness, and the first flow structure 20 includes the upper tube wall extended along its width direction,
The upper tube wall is opened in close to the top surface 11, the guide groove 21 on the upper tube wall.In the present embodiment, die cavity 10
Radial dimension is more than its axial dimension, therefore the first flow structure 20 of trapezoidal tubulose can faster more uniformly cast liquid
Producing material material fills up die cavity 10, it is to be understood that upper tube wall is parallel to top surface 11 and the bottom surface 12 of die cavity 10.
Further, as shown in Fig. 2, the inner wall of the guide groove 21 includes the first wall surface 211 and the second wall surface 212, institute
A side of the first wall surface 211 is stated adjacent to the cast gate, and first wall surface 211 is along far from the circumferential surface 13 and bottom surface 12
Direction tilts extension upwards；Second wall surface 212 and first wall surface 211 are crossed to form angle and along far from the circumferential surfaces
13 and the direction of top surface 11 tilt down extension.In the present embodiment, second wall surface one end is connect with the first wall surface 211, another
End is directly connect with the notch of guide groove 21, and liquid founding materials first flow to the slot bottom of guide groove 21, then edge along the second wall surface 212
First wall surface 211 flows to the depths of die cavity 10.
Further, the angle that first wall surface, 211 and second wall surface 212 is crossed to form is more than 80 ° and is less than 100 °.
In the present embodiment, liquid founding materials enter die cavity 10 along the direction tangent with cambered surface 14, further reduce liquid casting
The direct impact of material and cambered surface 14 further improves to more reduce the erosion of die casting and seminess after forming
The yields of die casting.In practical applications, the angle that the first wall surface 211 and the second wall surface 212 are crossed to form is preferably right angle.
Further, the first flow structure 20 includes the first pipeline section 24 and the second pipeline section 25 that connect, and described first
Pipeline section 24 is connected to the cast gate 16, and the thickness of first pipeline section 24 is less than the thickness of second pipeline section 25, described to lead
The position of neighbouring first pipeline section 24 on second pipeline section 25 is formed in slot 21.In the present embodiment, by first flow
The second pipeline section 25 that structure 20 divides the first pipeline section 24 to connect with the cast gate 16 of die cavity 10 and connects with the first pipeline section 24, leads
The position of neighbouring first pipeline section 24 on the second pipeline section 25,22 a side of upper tube wall and cast gate of the first pipeline section 24 are formed in slot 21
Connect, another side is connect with a side of the first wall surface 211, makes the first wall surface 211 adjacent to cast gate 16, to guide groove 21
Guiding role it is more obvious.
Further, as shown in Fig. 2, the upper tube wall of the upper tube wall 22 of second pipeline section 25 and first pipeline section 24
28 is concordant, and a side of first wall surface 211 is connect with the side of the upper tube wall 28 of first pipeline section 24, second wall
The a side in face 212 is connect with the side of the upper tube wall 22 of second pipeline section 25.In the present embodiment, guide groove 21 shapes
Between the first pipeline section 24 and the upper tube wall 22 of the second pipeline section 25, the upper tube wall 28 of the first wall surface 211 and the first pipeline section 24 connects
It connects, the second wall surface 212 is connect with the upper tube wall 22 of the second pipeline section 25, to liquid founding materials energy after flowing out guide groove 21
More smoothly flow therein die cavity 10.In practical applications, the length of the upper tube wall of first pipeline section is preferably greater than 1.5mm and is less than
2mm。
Further, as shown in Fig. 2, the first flow structure 20 further includes the lower tube wall opposite with the upper tube wall,
It is connected between the lower tube wall 27 of first pipeline section 24 and the lower tube wall 23 of the second pipeline section 25 opposite with the guide groove 21
Transition wall 26, the transition wall 26 are parallel to second wall surface 212 and the length of the transition wall 26 and second wall surface
212 equal length.In the present embodiment, transition wall 26 is making the liquid founding materials that will be flowed along lower tube wall more swimmingly
Guide groove 21 is flowed to, guide groove 21 is contributed to so that it is steadily entered cavity depths the guiding of liquid founding materials.
Further, as shown in Figure 1, the die casting further includes second flow channel structure 30, the mode is far from described
One end of cast gate 16 offers overflow port 15, and the second flow channel structure 30 connects with the overflow port 15, the second flow channel
The one end of structure 30 far from the overflow port 15 offers exhaust outlet 31, and between the overflow port 15 and exhaust outlet 31 at
Shape has cinder ladle 32.In the present embodiment, second flow channel structure 30 be used for in die cavity 10 gas and cold burden exclude, i.e. die cavity 10
The gas and cold burden wrapped up in interior liquid founding materials flows out into overflow system structure from overflow port 15, flows out at this time
Cold burden part flows into cinder ladle 32, and gas is just discharged from exhaust outlet 31, thereby reduces stomata, the sand holes of the die casting after forming
The defects of, improve yields.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of die casting, which is characterized in that including：
Mode, with die cavity and the cast gate being connected to the die cavity, the die cavity includes top surface, the bottom opposite with the top surface
Face and the circumferential surface between the top surface and bottom surface, the top surface have the cambered surface protruded to the bottom surface, the cast gate
It is opened in the circumferential surface and the side adjacent to the cambered surface close to the bottom surface；And
First flow structure is connected to the cast gate, and the inner wall of the first flow structure is formed at the neighbouring cast gate
Guide groove, liquid founding materials being oriented to the depths of the die cavity by the guide groove.
2. die casting as described in claim 1, which is characterized in that the trapezoidal tubulose setting of first flow structure, and
The width dimensions of the first flow structure are more than its thickness, and the first flow structure includes extending along its width direction
Upper tube wall, the upper tube wall is opened in close to the top surface, the guide groove on the upper tube wall.
3. die casting as claimed in claim 2, which is characterized in that the inner wall of the guide groove includes the first wall surface and second
Wall surface, a side of first wall surface is adjacent to the cast gate, and first wall surface is along the side far from the circumferential surface and bottom surface
Extend to upward tilt；Second wall surface and first wall surface are crossed to form angle and along far from the circumferential surface and top surfaces
Direction tilts down extension.
4. die casting as claimed in claim 3, which is characterized in that the folder that first wall surface and the second wall surface are crossed to form
Angle is more than 80 ° and is less than 100 °.
5. die casting as claimed in claim 4, which is characterized in that the folder that first wall surface and the second wall surface are crossed to form
Angle is right angle.
6. die casting as claimed in claim 3, which is characterized in that the first flow structure includes the first pipeline section to connect
And second pipeline section, first pipeline section are connected to the cast gate, and the thickness of first pipeline section is less than second pipeline section
Thickness, the guide groove form in the position of neighbouring first pipeline section on second pipeline section.
7. die casting as claimed in claim 6, which is characterized in that the upper tube wall of second pipeline section and first pipeline section
Upper tube wall it is concordant, a side of first wall surface is connect with the side of the upper tube wall of first pipeline section, second wall
The a side in face is connect with the side of the upper tube wall of second pipeline section.
8. die casting as claimed in claim 7, which is characterized in that the length of the upper tube wall of first pipeline section is more than
1.5mm and be less than 2mm.
9. die casting as claimed in claim 7, which is characterized in that the first flow structure further includes and the upper tube wall
Opposite lower tube wall is connected with opposite with the guide groove between the lower tube wall of first pipeline section and the lower tube wall of the second pipeline section
Transition wall, the transition wall is parallel to second wall surface and the length phase of the length of the transition wall and second wall surface
Deng.
10. die casting as described in any one of claim 1 to 9, which is characterized in that the die casting further includes second
Road structure, the one end of the mode far from the cast gate offer overflow port, the second flow channel structure and the overflow port phase
Connect, the described one end of second flow channel structure far from the overflow port offers exhaust outlet, and the overflow port and exhaust outlet it
Between be formed with cinder ladle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072406.4U CN207787659U (en) | 2018-01-16 | 2018-01-16 | Die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072406.4U CN207787659U (en) | 2018-01-16 | 2018-01-16 | Die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207787659U true CN207787659U (en) | 2018-08-31 |
Family
ID=63272297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820072406.4U Active CN207787659U (en) | 2018-01-16 | 2018-01-16 | Die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207787659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338163A (en) * | 2020-10-21 | 2021-02-09 | 重庆博奥镁铝金属制造有限公司 | Die-casting processing method for product with isolated structure |
| CN117773061A (en) * | 2022-09-20 | 2024-03-29 | 吉达克精密金属科技（常熟）有限公司 | A die-casting mold runner structure for easy removal of residual material |
-
2018
- 2018-01-16 CN CN201820072406.4U patent/CN207787659U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338163A (en) * | 2020-10-21 | 2021-02-09 | 重庆博奥镁铝金属制造有限公司 | Die-casting processing method for product with isolated structure |
| CN112338163B (en) * | 2020-10-21 | 2022-04-01 | 重庆博奥镁铝金属制造有限公司 | Die-casting processing method for product with isolated structure |
| CN117773061A (en) * | 2022-09-20 | 2024-03-29 | 吉达克精密金属科技（常熟）有限公司 | A die-casting mold runner structure for easy removal of residual material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191113 Address after: Workshop 1-5 and workshop 7-9, i-6-01-12 / 13 / 14, Guangfo Zhaoji Economic Cooperation Zone (zone B), Zhagang Town, HUAIJI County, Zhaoqing City, Guangdong Province Patentee after: Zhaoqing Aoke Fine Machinery Co., Ltd Address before: 518000, Guangdong, Guangming District, Gongming province Shenzhen office, village community first industrial zone Renhe Industrial Park, A, building 1 to 3, B, building 1 to two floor Patentee before: Aoke Precision Machine (Shenzhen) Co., Ltd. |
|
| TR01 | Transfer of patent right |