CN221775122U - Inverted trapezoidal runner pouring mechanism for automobile wheel eyebrow injection mold - Google Patents
Inverted trapezoidal runner pouring mechanism for automobile wheel eyebrow injection mold Download PDFInfo
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- CN221775122U CN221775122U CN202322833772.0U CN202322833772U CN221775122U CN 221775122 U CN221775122 U CN 221775122U CN 202322833772 U CN202322833772 U CN 202322833772U CN 221775122 U CN221775122 U CN 221775122U
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- runner
- wheel arch
- insert
- injection mold
- automobile wheel
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 210000004709 eyebrow Anatomy 0.000 title 1
- 239000003292 glue Substances 0.000 claims abstract description 62
- 238000005266 casting Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 5
- 241001272720 Medialuna californiensis Species 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model provides an inverted trapezoid runner casting mechanism of an automobile wheel arch injection mold, and belongs to the technical field of molds. The upper die plate and the lower die plate are symmetrically provided with two half-moon-shaped wheel arch forming cavities, openings of the wheel arch forming cavities are arranged outwards, the lower die plate is provided with five side inserts connected with the inner sides of the wheel arch forming cavities and five bottom glue feeding structures in one-to-one correspondence with the side inserts, and the upper die plate is also provided with five translation core pulling assemblies in one-to-one correspondence with the side inserts. The bottom glue inlet structure can form a glue port at the bottom of the joint of the side insert and the wheel arch product, can reduce the influence of a pouring gate on the wheel arch product, and can drive the side insert to translate and loose core in the direction away from the wheel arch forming cavity through the translation core-pulling assembly during die opening, so that the side insert is separated from the glue port and the wheel arch product.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an inverted trapezoid runner casting mechanism of an automobile wheel arch injection mold.
Background
Automobile wheel arch is generally through injection moulding, and among the prior art, automobile wheel arch mould all is from the front of wheel arch to advance gluey when moulding plastics, and wheel arch injection moulding back surface can form the runner, and the runner can cause the influence to the surface quality of product.
If chinese patent discloses a car wheel arch bicolor soft plastic injection mold conversion structure [ application number: 201921846267.7, including the bottom plate, still include two moulds that are used for realizing the quick conversion of soft and hard plastic chamber, two moulds bilateral symmetry set up on the bottom plate.
Disclosure of utility model
The utility model aims to solve the problems and provides an inverted trapezoid runner casting mechanism of an automobile wheel arch injection mold.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a pouring mechanism is advanced to pouring channel of automobile wheel arch injection mold, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between the symmetry be provided with two half moon shape wheel arch molding chamber, the opening of wheel arch molding chamber outwards set up, the lower bolster on be equipped with five side inserts and five bottom that link to each other with wheel arch molding chamber inboard advance gluey structure with side insert one-to-one, the cope match-plate pattern on still be equipped with five translation core-pulling assembly with side insert one-to-one.
In the pouring mechanism of the inverted trapezoid runner of the automobile wheel arch injection mold, the bottom glue feeding structure comprises a surface glue feeding runner arranged on the side part of the side insert, the lower die plate is further provided with an inward concave insert groove, the side insert is arranged in the insert groove, the inner end of the side insert is provided with the inverted trapezoid runner structure, and the insert groove is further provided with a connecting runner structure for connecting the surface glue feeding runner and the inverted trapezoid runner structure.
In the inverted trapezoid runner pouring mechanism of the automobile wheel arch injection mold, the inverted trapezoid runner structure comprises a bottom glue inlet runner which is arranged on one side end face of the side insert close to the wheel arch forming cavity in an inward concave mode, the sections of the upper section and the middle section of the bottom glue inlet runner are inverted trapezoids, and the section of the lower section is rectangular.
In the inverted trapezoid runner pouring mechanism of the automobile wheel arch injection mold, the connecting runner structure comprises a first connecting runner which is arranged on the side wall of the insert groove in an inward concave manner and a second connecting runner which is arranged at the bottom of the insert groove in an inward concave manner, wherein the first connecting runner and the second connecting runner are connected, and the first connecting runner and the second connecting runner are connected with the surface glue inlet runner and the bottom glue inlet runner respectively.
In the inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold, the translation core pulling assembly comprises a driving rod which is obliquely fixed on the upper mold plate, and the bottom of the driving rod is obliquely inserted into the side insert and is in sliding connection with the side insert.
In the inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold, limiting pressing plates are arranged on two sides of the insert groove, limiting parts protruding outwards are arranged on two sides of the side insert, and the tops of the limiting parts are propped against the limiting pressing plates.
In the inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold, the limiting pressing plate is detachably connected with the lower template through a plurality of bolts.
In the inverted trapezoid runner pouring mechanism of the automobile wheel arch injection mold, two excess material ejector pins are further arranged in the surface glue inlet runner.
In the inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold, the inner side and the outer side of the wheel arch forming cavity are respectively provided with a plurality of inner side and outer side ejector block structures which are connected with the top plate at the lower side of the lower template through the straight ejector rods.
In the inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold, the inner and outer side ejector block structure comprises a plurality of inner ejector blocks arranged along the inner side circumference of the wheel arch forming cavity and a plurality of outer ejector blocks arranged along the outer side circumference of the wheel arch forming cavity.
Compared with the prior art, the utility model has the advantages that:
1. The bottom glue inlet structure can form a glue port at the bottom of the joint of the side insert and the wheel arch product, can reduce the influence of a pouring gate on the wheel arch product, and can drive the side insert to translate and loose core in the direction away from the wheel arch forming cavity through the translation core-pulling assembly during die opening, so that the side insert is separated from the glue port and the wheel arch product.
2. The injection molding liquid can be guided to the inverted trapezoid runner structure of the inner end of the side insert from the surface of the lower die plate through the surface glue inlet runner and the connecting runner structure, so that the injection molding liquid can enter glue from the back of the wheel arch product, and the influence of a glue port on the quality of the outer surface of the wheel arch product is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic view of the external structure of the present utility model;
FIG. 3 is a schematic view of the structure of the lower die plate;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
Fig. 5 is a schematic structural view of an inverted trapezoidal flow channel structure.
In the figure, an upper template 1, a lower template 2, a wheel arch forming cavity 3, a side insert 4, a bottom glue feeding structure 5, a surface glue feeding runner 6, an insert groove 7, an inverted trapezoid runner structure 8, a bottom glue feeding runner 9, a first connecting runner 10, a second connecting runner 11, a driving rod 12, a limiting pressing plate 13, a limiting part 14, a residual material thimble 15, a top plate 16, an inner top block 17 and an outer top block 18.
Detailed Description
As shown in fig. 1-5, an inverted trapezoid runner pouring mechanism of an automobile wheel arch injection mold comprises an upper mold plate 1 and a lower mold plate 2, two half-moon-shaped wheel arch forming cavities 3 are symmetrically arranged between the upper mold plate 1 and the lower mold plate 2, openings of the wheel arch forming cavities 3 are arranged outwards, five side inserts 4 connected with the inner sides of the wheel arch forming cavities 3 and five bottom glue feeding structures 5 in one-to-one correspondence with the side inserts 4 are arranged on the lower mold plate 2, and five translation core pulling assemblies in one-to-one correspondence with the side inserts 4 are further arranged on the upper mold plate 1.
The bottom glue inlet structure 5 can form a glue mouth at the bottom of the joint of the side insert and the wheel arch product, can reduce the influence of a pouring gate on the wheel arch product, and can drive the side insert to translate and loose core in the direction away from the wheel arch forming cavity through the translation core-pulling assembly during die opening, so that the side insert, the glue mouth and the wheel arch product are separated.
Specifically speaking, bottom advances gluey structure 5 including setting up the surface of side insert 4 lateral part and advances gluey runner 6, lower bolster 2 on still be equipped with the inwards sunken insert groove 7, side insert 4 set up in insert groove 7, side insert 4 inner have the trapezoid runner structure 8 that falls, insert groove 7 in still be equipped with the connection runner structure of connecting surface advances gluey runner 6 and trapezoid runner structure 8. The injection molding liquid can be guided to the inverted trapezoid runner structure 8 of the inner end of the side insert 4 from the surface of the lower die plate through the surface glue inlet runner and the connecting runner structure, so that the injection molding liquid can enter glue from the back of the wheel arch product, and the influence of a glue port on the quality of the outer surface of the wheel arch product is reduced.
Specifically, referring to fig. 5, the inverted trapezoidal runner structure 8 includes a bottom glue inlet runner 9 that is concavely disposed on an end surface of a side insert 4 near a side of the wheel arch forming cavity 3, and the sections of an upper section and a middle section of the bottom glue inlet runner 9 are inverted trapezoidal, and the section of a lower section is rectangular. The cross sections of the upper section and the middle section of the bottom glue inlet runner 9 are in an inverted trapezoid shape, so that the area of the joint of the bottom glue inlet runner 9 and the wheel arch forming cavity can be increased, and the flow is increased.
Specifically, the connecting runner structure comprises a first connecting runner 10 which is arranged on the side wall of the insert groove 7 in an inward concave manner and a second connecting runner 11 which is arranged at the bottom of the insert groove 7 in an inward concave manner, wherein the first connecting runner 10 is connected with the second connecting runner 11, and the first connecting runner 10 is connected with the second connecting runner 11 respectively with the surface glue inlet runner 6 and the bottom glue inlet runner 9. Injection molding liquid in the surface glue inlet flow channel can flow into the bottom glue inlet flow channel 9 through the first connecting flow channel 10 and the second connecting flow channel 11 in sequence, so that back glue inlet of the wheel arch product is realized.
Specifically, the translating core pulling assembly comprises a driving rod 12 which is obliquely fixed on the upper template 1, and the bottom of the driving rod 12 is obliquely inserted into the side insert 4 and is in sliding connection with the side insert 4. When the mold is opened, the upper mold plate moves upwards to drive the driving rod to move upwards, and the driving rod moves to drive the side insert to translate in the direction away from the wheel arch forming cavity.
Specifically, two sides of the insert groove 7 are provided with limiting pressing plates 13, two sides of the side insert 4 are provided with limiting parts 14 protruding outwards, and the tops of the limiting parts 14 are propped against the limiting pressing plates 13. The limit pressing plate cooperates with the limit part 14 to limit the side insert.
Preferably, the limiting pressing plate 13 is detachably connected with the lower template 2 through a plurality of bolts, so that the limiting pressing plate can be conveniently detached.
Preferably, two excess material ejector pins 15 are further arranged in the surface glue inlet flow channel 6. The excess material ejector pins 15 can eject the excess material in the surface glue inlet flow channel 6 during product ejection.
Specifically, the inner side and the outer side of the wheel arch forming cavity 3 are respectively provided with a plurality of inner side and outer side ejector block structures connected with the top plate 16 at the lower side of the lower die plate 2 through straight ejector rods, and each inner side and outer side ejector block structure comprises a plurality of inner ejector blocks 17 circumferentially arranged along the inner side of the wheel arch forming cavity 3 and a plurality of outer ejector blocks 18 circumferentially arranged along the outer side of the wheel arch forming cavity 3. When the top plate moves upwards, the inner ejector block 17 and the outer ejector block 18 can simultaneously apply thrust to the wheel arch product to eject the product, so that the product is prevented from being damaged due to uneven stress.
The working principle of the utility model is as follows: the bottom glue inlet structure 5 can form a glue mouth at the bottom of the joint of the side insert and the wheel arch product, can reduce the influence of a pouring gate on the wheel arch product, and can drive the side insert to translate and loose core in the direction away from the wheel arch forming cavity through translating and loose core components when the die is opened, so that the side insert, the glue mouth and the wheel arch product are separated;
The injection molding liquid can be guided to the inverted trapezoid runner structure 8 at the inner end of the side insert 4 from the surface of the lower die plate through the surface glue inlet runner and the connecting runner structure, so that the injection molding liquid can enter glue from the back of a wheel arch product, the influence of a glue port on the quality of the outer surface of the wheel arch product is reduced, the area of the connecting part of the bottom glue inlet runner 9 and a wheel arch forming cavity can be increased due to the inverted trapezoid cross section of the upper section and the middle section of the bottom glue inlet runner 9, the flow rate is increased, and the injection molding liquid in the surface glue inlet runner can flow into the bottom glue inlet runner 9 through the first connecting runner 10 and the second connecting runner 11 in sequence, so that the back glue inlet of the wheel arch product is realized;
When the die is opened, the upper die plate moves upwards to drive the driving rod to move upwards, the driving rod moves to drive the side insert to translate away from the direction of the wheel arch forming cavity, the limiting pressing plate is matched with the limiting part 14 to limit the side insert, the residual material ejector pins 15 can eject residual materials in the surface glue inlet flow channels 6 when the products are ejected, and the products can be ejected by applying thrust to the wheel arch products through the inner ejector blocks 17 and the outer ejector blocks 18 when the top plate moves upwards, so that the products are prevented from being damaged due to uneven stress.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the upper die plate 1, the lower die plate 2, the wheel arch forming cavity 3, the side insert 4, the bottom glue inlet structure 5, the surface glue inlet runner 6, the insert groove 7, the inverted trapezoid runner structure 8, the bottom glue inlet runner 9, the first connecting runner 10, the second connecting runner 11, the driving rod 12, the limiting pressing plate 13, the limiting part 14, the remainder ejector pin 15, the top plate 16, the inner ejector block 17, the outer ejector block 18 and the like are used more herein, these terms are used only for more convenience in describing and explaining the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a pouring mechanism is advanced to pouring channel of automobile wheel arch injection mold, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) and lower bolster (2) between the symmetry be provided with two half moon shape wheel arch shaping die cavities (3), the opening in wheel arch shaping die cavities (3) set up outwards, lower bolster (2) on be equipped with five side inserts (4) and five bottom that link to each other with wheel arch shaping die cavity (3) inboard and advance glued structure (5) with side insert (4) one-to-one, cope match-plate pattern (1) on still be equipped with five translation loose core subassemblies with side insert (4) one-to-one.
2. The pouring mechanism of the inverted trapezoid runner of the automobile wheel arch injection mold according to claim 1, wherein the bottom glue feeding structure (5) comprises a surface glue feeding runner (6) arranged on the side part of the side insert (4), an inwardly concave insert groove (7) is further formed in the lower die plate (2), the side insert (4) is arranged in the insert groove (7), the inverted trapezoid runner structure (8) is arranged at the inner end of the side insert (4), and a connecting runner structure for connecting the surface glue feeding runner (6) and the inverted trapezoid runner structure (8) is further arranged in the insert groove (7).
3. The pouring mechanism of the inverted trapezoid runner of the automobile wheel arch injection mold according to claim 2, wherein the inverted trapezoid runner structure (8) comprises a bottom glue inlet runner (9) which is concavely arranged on one side end face of the side insert (4) close to the wheel arch forming cavity (3), the sections of the upper section and the middle section of the bottom glue inlet runner (9) are inverted trapezoids, and the section of the lower section is rectangular.
4. The inverted trapezoid runner casting mechanism for the automobile wheel arch injection mold according to claim 3, wherein the connecting runner structure comprises a first connecting runner (10) which is arranged on the side wall of the insert groove (7) in an inward concave manner and a second connecting runner (11) which is arranged at the bottom of the insert groove (7) in an inward concave manner, the first connecting runner (10) and the second connecting runner (11) are connected, and the first connecting runner (10) and the second connecting runner (11) are respectively connected with the surface glue inlet runner (6) and the bottom glue inlet runner (9).
5. The inverted trapezoidal runner casting mechanism of the automobile wheel arch injection mold according to claim 4, wherein the translational core pulling assembly comprises a driving rod (12) obliquely fixed on the upper mold plate (1), and the bottom of the driving rod (12) is obliquely inserted into the side insert (4) and is in sliding connection with the side insert (4).
6. The inverted trapezoid runner casting mechanism of the automobile wheel arch injection mold according to claim 4, wherein limiting pressing plates (13) are arranged on two sides of the insert groove (7), limiting parts (14) protruding outwards are arranged on two sides of the side insert (4), and the tops of the limiting parts (14) are abutted against the limiting pressing plates (13).
7. The inverted trapezoidal runner casting mechanism of the automobile wheel arch injection mold according to claim 6, wherein the limiting pressing plate (13) is detachably connected with the lower die plate (2) through a plurality of bolts.
8. The pouring mechanism of the inverted trapezoid runner of the automobile wheel arch injection mold according to claim 2 is characterized in that two residual material ejector pins (15) are further arranged in the surface glue inlet runner (6).
9. The pouring mechanism of the inverted trapezoid runner of the automobile wheel arch injection mold according to claim 1, wherein the inner side and the outer side of the wheel arch molding cavity (3) are respectively provided with a plurality of inner side and outer side ejector block structures which are connected with a top plate (16) at the lower side of the lower template (2) through straight ejector rods.
10. The inverted trapezoidal runner casting mechanism of the automobile wheel arch injection mold according to claim 9, wherein the inner and outer side ejector block structures comprise a plurality of inner ejector blocks (17) circumferentially arranged along the inner side of the wheel arch forming cavity (3) and a plurality of outer ejector blocks (18) circumferentially arranged along the outer side of the wheel arch forming cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833772.0U CN221775122U (en) | 2023-10-20 | 2023-10-20 | Inverted trapezoidal runner pouring mechanism for automobile wheel eyebrow injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833772.0U CN221775122U (en) | 2023-10-20 | 2023-10-20 | Inverted trapezoidal runner pouring mechanism for automobile wheel eyebrow injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221775122U true CN221775122U (en) | 2024-09-27 |
Family
ID=92826397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322833772.0U Active CN221775122U (en) | 2023-10-20 | 2023-10-20 | Inverted trapezoidal runner pouring mechanism for automobile wheel eyebrow injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221775122U (en) |
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2023
- 2023-10-20 CN CN202322833772.0U patent/CN221775122U/en active Active
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