CN215921157U - Injection mold and injection molding machine for molding lower decorative plate of automobile thin-wall tail door - Google Patents
Injection mold and injection molding machine for molding lower decorative plate of automobile thin-wall tail door Download PDFInfo
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- CN215921157U CN215921157U CN202121989268.4U CN202121989268U CN215921157U CN 215921157 U CN215921157 U CN 215921157U CN 202121989268 U CN202121989268 U CN 202121989268U CN 215921157 U CN215921157 U CN 215921157U
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Abstract
The utility model discloses an injection mold for molding a lower decorative plate of an automobile thin-wall tail door, which comprises a male mold plate and a female mold plate which are arranged up and down, wherein a mold cavity is arranged between the male mold plate and the female mold plate and is used for injection molding of a product, the mold cavity comprises a leveling area and an inverted area, a plurality of staggered bone position molding grooves are arranged on the male mold plate, and the leveling area is divided into a plurality of molding areas through the bone position molding grooves; the male template is provided with a plurality of straight ejection assemblies and a plurality of inclined ejection assemblies, each forming area is internally provided with one straight ejection assembly positioned at the edge of the bone position forming groove, products formed near the bone position forming grooves are not easy to deform and generate white ejection marks, for the back-off areas, the inclined ejection assemblies are arranged corresponding to the back-off areas and are sequentially arranged in the back-off areas at intervals, the structure of the injection mold is stable, the products are not easy to deform and generate the white ejection marks, and therefore the injection mold disclosed by the utility model can eject the products without generating the white ejection marks.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold and an injection molding machine for molding a lower decorative plate of an automobile thin-wall tail door.
Background
The automobile industry enters a high-speed development stage, however, the environmental and energy problems are increased day by day, and the light weight technology becomes the key for improving the market competitiveness of each automobile enterprise. At present, the molding ejection mode of the automobile tail door lower decorative plate is generally ejection by using an ejector pin, and if the automobile tail door lower decorative plate is designed into a thin-wall product, the problem of white ejection mark of the thin-wall product can be caused if the automobile tail door lower decorative plate is ejected by using the ejector pin only, so that the quality of the thin-wall product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an injection mold and an injection molding machine for molding a lower decorative plate of an automobile thin-wall tail door, which can avoid the problem of top white top mark when the lower decorative plate of the automobile thin-wall tail door is ejected.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a injection mold for plaque is fashioned under car thin wall tail-gate, include
The mold comprises a male mold plate and a female mold plate which are arranged up and down, wherein a mold cavity is arranged between the male mold plate and the female mold plate, the mold cavity comprises a flat area positioned in the middle of the mold cavity and an inverted area positioned at the edge of the mold cavity, a plurality of staggered bone position forming grooves are arranged on the male mold plate, and the flat area is divided into a plurality of forming areas by the staggered bone position forming grooves;
a plurality of straight ejection assemblies and a plurality of inclined ejection assemblies, which are arranged on the male template and correspond to the model cavities;
the plurality of straight ejecting components are arranged corresponding to the flat areas, one straight ejecting component is correspondingly arranged in each forming area, and the end part of each straight ejecting component is abutted against the edge of the bone position forming groove;
a plurality of the inclined top components correspond to the reverse buckling areas and are arranged in the reverse buckling areas at intervals in sequence.
Compared with the prior art, the injection mold for molding the lower decorative plate of the thin-wall tail door of the automobile comprises a male mold plate and a female mold plate which are arranged up and down, wherein a mold cavity is arranged between the male mold plate and the female mold plate and used for injection molding of a product, the mold cavity comprises a flat area positioned in the middle of the mold cavity and an inverted area positioned at the edge of the mold cavity, the male mold plate is provided with a plurality of staggered bone position molding grooves, and the flat area is divided into a plurality of molding areas through the bone position molding grooves; the core plate is provided with a plurality of straight ejection components and a plurality of inclined ejection components corresponding to the model cavity, each forming area is correspondingly provided with one straight ejection component, the end part of each straight ejection component is close to the edge of the bone position forming groove, a product formed near the bone position forming groove is not easy to deform, a white ejection mark is not easy to generate when the straight ejection components are ejected, for the back-off area, the inclined ejection components are arranged corresponding to the back-off area and are sequentially arranged in the back-off area at intervals, the structure of the product formed in the back-off area is stable and not easy to deform, and the white ejection mark is not easy to generate when the inclined ejection components are ejected, so that the injection mold disclosed by the utility model can eject the product without generating the white ejection mark.
Further, the straight ejection assembly comprises a straight ejection rod and a push block positioned at the end part of the straight ejection rod;
the molding areas are square, and at least two sides of the molding areas are tightly attached to the pushing blocks correspondingly arranged in the molding areas.
Furthermore, each pushing block is provided with at least one straight ejector rod.
Furthermore, the inclined ejection assembly comprises an inclined ejection block and an inclined ejection rod positioned at the end part of the inclined ejection block;
wherein, the inside exhaust component that is provided with of oblique kicking block.
Furthermore, each inclined ejecting block is correspondingly and closely arranged on one bone position forming groove, and the exhaust component in each inclined ejecting block is correspondingly arranged close to the bone position forming groove.
Further, the exhaust component comprises a first exhaust port, a second exhaust port, a third exhaust port and an air outlet channel communicated with the first exhaust port, the second exhaust port and the third exhaust port;
the first exhaust port and the second exhaust port are arranged on one side, close to the bone position forming groove, of the inclined ejecting block, and the third exhaust port is arranged on the top of the inclined ejecting block; and is
An annular gas circuit is arranged in the gas outlet channel.
Further, the injection mold also comprises
And the ejector pin assemblies are arranged on the male template and are arranged at the corner positions of the inverted areas.
Further, the injection mold also comprises
The glue injection device is arranged on the male template;
the glue injection device comprises at least four glue injection ports, the glue injection ports are arranged in the leveling area at intervals, and at least one glue injection port is aligned with the inverted area.
As another preferable aspect of the present invention, there is also provided an injection molding machine including the injection mold as described above.
For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a structural sectional view of an injection mold in the present embodiment;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of a male mold plate of the injection mold in the present embodiment;
FIG. 4 is a schematic structural view of the injection mold in the present embodiment without the core plate;
fig. 5 is a structural sectional view of one of the lifter blocks in the injection mold in the present embodiment.
Detailed Description
In order to better illustrate the utility model, the utility model is described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
As a preferred embodiment of the utility model, as shown in figures 1 to 4, an injection mold for molding a lower decorative plate of a thin-wall tail door of an automobile comprises
The mold comprises a male mold plate 1 and a female mold plate 2 which are arranged up and down, wherein a mold cavity 3 is arranged between the male mold plate 1 and the female mold plate 2, the mold cavity 3 comprises a flat area 31 positioned in the middle of the mold cavity 3 and an inverted area 32 positioned on the edge of the mold cavity 3, a plurality of staggered bone position forming grooves 11 are arranged on the male mold plate 1, and the flat area 31 is divided into a plurality of forming areas 12 by the plurality of staggered bone position forming grooves 11;
a plurality of straight-topped members 4 and a plurality of slanted-topped members 5, each of which is provided on the core plate 1 and corresponds to the mold cavity 3;
the plurality of straight top components 4 are arranged corresponding to the flat areas 31, one straight top component 4 is correspondingly arranged in each forming area 12, and the end part of each straight top component 4 is abutted against the edge of the bone position forming groove 11;
the multiple pitched roof components 5 are arranged corresponding to the inverted buckle area 32 and are sequentially arranged in the inverted buckle area 32 at intervals.
Compared with the prior art, the injection mold for molding the lower decorative plate of the thin-wall tail door of the automobile comprises a male mold plate 1 and a female mold plate 2 which are arranged up and down, a mold cavity 3 is arranged between the male mold plate 1 and the female mold plate 2, the mold cavity 3 is used for injection molding of a product, the mold cavity 3 comprises a flat area 31 positioned in the middle of the mold cavity 3 and an inverted area 32 positioned at the edge of the mold cavity 3, wherein the male mold plate 1 is provided with a plurality of staggered bone position molding grooves 11, and the flat area 31 is divided into a plurality of molding areas 12 through the bone position molding grooves 11; the male template 1 is provided with a plurality of straight ejection components 4 and a plurality of inclined ejection components 5 corresponding to the model cavity 3, each forming area 12 is correspondingly provided with one straight ejection component 4, the end parts of the straight ejection components 4 are close to the edges of the bone position forming grooves 11, products formed near the bone position forming grooves 11 are not easy to deform, a top white ejection mark is not easy to generate when the straight ejection components 4 are ejected, the inclined ejection components 5 are arranged corresponding to the back-off areas 32 and are sequentially arranged in the back-off areas 32 at intervals, products formed in the back-off areas 32 are stable in structure and not easy to deform, the inclined ejection components 5 are not easy to generate the top white ejection mark when the inclined ejection components are ejected, and therefore the injection mold disclosed by the utility model can eject the products without generating the top white ejection marks.
It should be noted that, in this embodiment, the preferable structure of the injection mold is an inverted molding mold, and the working process of the injection mold is that a product is molded in a mold cavity 3 between a male mold plate 1 and a female mold plate 2, and after the product is molded, the female mold plate 2 moves downward, and the bottom of the product is separated from the female mold plate 2; the straight ejection component 4 and the inclined ejection component 5 are arranged on the male template 1, and the product is ejected and demoulded by the formulation component and the inclined ejection component 5.
In this embodiment, as shown in fig. 4, the straight ejection assembly 4 includes a straight ejection rod 42 and a push block 41 located at an end of the straight ejection rod 42, and the push block 41 makes surface contact with the product, so as to reduce pressure generated on the product when the product is ejected by the straight ejection rod 42, and more effectively avoid the problem of blank ejection when the product is ejected.
The molding areas 12 are square, at least two sides of the molding areas 12 are tightly attached to the pushing blocks 41 correspondingly arranged in the molding areas 12, and the pushing blocks 41 are used for supporting the bone positions of the product, so that the product is stressed when being ejected.
In addition, each pushing block 41 is provided with at least one straight ejector pin 42, and the number of the straight ejector pins 42 on the pushing block 41 set on each forming area 12 is preferably determined according to the area size of the forming area 12 divided on the flat area 31.
Preferably, the ratio of the size of the push block 41 to the area of the forming area 12 exceeds 1: 4 or less than 1: 1 is to arrange two straight ejector pins 42, and conversely to arrange one straight ejector pin 42.
In the present embodiment, as shown in fig. 4 to 5, the pitched roof assembly 5 includes a pitched roof block 52 and a pitched roof bar 51 located at the end of the pitched roof block 52; the inclined ejector block 52 is in surface contact with the product, so that the pressure on the product generated when the product is ejected by the inclined ejector rod 51 is reduced, and the problem of ejection white and top print when the product is ejected is effectively solved.
The inside of the lifter block 52 is provided with a vent member 53.
Since the number of the product bone positions to be molded is large in the present embodiment, each bone position needs to be exhausted to avoid poor product molding, and an exhaust member 53 for exhausting is arranged inside each inclined ejecting block 52.
Preferably, each of the slanted ejecting blocks 52 is disposed closely adjacent to one of the bone forming grooves 11, and the air exhausting member 53 disposed in the slanted ejecting block 52 is disposed close to the bone forming groove 11.
In the present embodiment, as shown in fig. 5, the exhaust member 53 includes a first exhaust port 531, a second exhaust port 532, a third exhaust port 533, and an exhaust passage 534 communicating the first exhaust port 531, the second exhaust port 532, and the third exhaust port 533;
the first exhaust port 531 and the second exhaust port 532 are disposed at one side of the slanted ejecting block 52 near the bone position forming groove 11, the third exhaust port 533 is disposed at the top of the slanted ejecting block 52,
the gas is guided through the first and second exhaust ports 531 and 532 to flow through the gas outlet channel 534 to the third exhaust port 533 for exhaust.
Moreover, because injection mold is whole closed, in order to prevent that the gas pressure in the passageway 534 of giving vent to anger from changing and connecting, it has annular gas circuit in the passageway 534 of giving vent to anger, it is stable when the gas circulation to utilize annular gas circuit, and atmospheric pressure variation is little.
In this embodiment, as shown in fig. 4, the injection mold further includes
A plurality of ejector pin assemblies (not shown) each disposed on the core plate 1, and the ejector pin assemblies (not shown) are disposed at corner positions of the undercut regions 32.
It can be understood that the structural design of the corner position of the inverted buckle area 32 is generally uneven, and the ejector block 41 or the inclined ejector block 52 cannot be used for demolding, and an ejector pin assembly (not shown) is adopted, and the ejector pin assembly (not shown) is used for being abutted on the uneven position of the product, and the characteristic of higher structural rigidity of the uneven position is used for solving the problem of white ejection and penetration of the product.
In this embodiment, as shown in fig. 4, the injection mold further includes
The glue injection device 6 is arranged on the male template 1;
wherein, injecting glue device 6 includes four at least injecting glue mouths 61, in this embodiment, injecting glue device 6 includes four injecting glue mouths 61, and is three the setting of injecting glue mouth 61 mutual interval is in level and smooth regional 31 in, make injection molding colloid can circulate to each shaping region 12 of product in, and have one injecting glue mouth 61 with regional 32 counterpoint of back-off, because the structure of regional 32 of back-off is complicated, for example BOSS post etc. is regional 32 settings of back-off, and this ju chiang is used for making things convenient for the shaping of product in regional 32 positions of back-off.
As another preferred aspect of the present invention, there is also provided an injection molding machine, including the injection mold described above, wherein the injection molding machine has all the advantages of the injection mold described above, and the description thereof is omitted here.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. A injection mold for molding of a lower decorative plate of an automobile thin-wall tail door is characterized by comprising
The mold comprises a male mold plate and a female mold plate which are arranged up and down, wherein a mold cavity is arranged between the male mold plate and the female mold plate, the mold cavity comprises a flat area positioned in the middle of the mold cavity and an inverted area positioned at the edge of the mold cavity, a plurality of staggered bone position forming grooves are arranged on the male mold plate, and the flat area is divided into a plurality of forming areas by the staggered bone position forming grooves;
a plurality of straight ejection assemblies and a plurality of inclined ejection assemblies, which are arranged on the male template and correspond to the model cavities;
the plurality of straight ejecting components are arranged corresponding to the flat areas, one straight ejecting component is correspondingly arranged in each forming area, and the end part of each straight ejecting component is abutted against the edge of the bone position forming groove;
a plurality of the inclined top components correspond to the reverse buckling areas and are arranged in the reverse buckling areas at intervals in sequence.
2. An injection mold according to claim 1,
the straight ejection assembly comprises a straight ejection rod and a push block positioned at the end part of the straight ejection rod;
the molding areas are square, and at least two sides of the molding areas are tightly attached to the pushing blocks correspondingly arranged in the molding areas.
3. An injection mold according to claim 2,
each push block is provided with at least one straight ejector rod.
4. An injection mold according to claim 1,
the inclined ejection assembly comprises an inclined ejection block and an inclined ejection rod positioned at the end part of the inclined ejection block;
wherein, the inside exhaust component that is provided with of oblique kicking block.
5. An injection mold according to claim 4,
each inclined ejecting block is correspondingly and closely arranged against one bone position forming groove, and the exhaust component in each inclined ejecting block is correspondingly arranged close to the bone position forming groove.
6. An injection mold according to claim 4,
the exhaust component comprises a first exhaust port, a second exhaust port, a third exhaust port and an air outlet channel communicated with the first exhaust port, the second exhaust port and the third exhaust port;
the first exhaust port and the second exhaust port are arranged on one side, close to the bone position forming groove, of the inclined ejecting block, and the third exhaust port is arranged on the top of the inclined ejecting block; and is
An annular gas circuit is arranged in the gas outlet channel.
7. An injection mold according to claim 1, further comprising
And the ejector pin assemblies are arranged on the male template and are arranged at the corner positions of the inverted areas.
8. An injection mold according to claim 1, further comprising
The glue injection device is arranged on the male template;
the glue injection device comprises at least four glue injection ports, the glue injection ports are arranged in the leveling area at intervals, and at least one glue injection port is aligned with the inverted area.
9. An injection molding machine comprising an injection mold according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989268.4U CN215921157U (en) | 2021-08-23 | 2021-08-23 | Injection mold and injection molding machine for molding lower decorative plate of automobile thin-wall tail door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989268.4U CN215921157U (en) | 2021-08-23 | 2021-08-23 | Injection mold and injection molding machine for molding lower decorative plate of automobile thin-wall tail door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921157U true CN215921157U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121989268.4U Active CN215921157U (en) | 2021-08-23 | 2021-08-23 | Injection mold and injection molding machine for molding lower decorative plate of automobile thin-wall tail door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921157U (en) |
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2021
- 2021-08-23 CN CN202121989268.4U patent/CN215921157U/en active Active
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