CN218660289U - Forced demoulding structure and mould thereof - Google Patents
Forced demoulding structure and mould thereof Download PDFInfo
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- CN218660289U CN218660289U CN202222989533.XU CN202222989533U CN218660289U CN 218660289 U CN218660289 U CN 218660289U CN 202222989533 U CN202222989533 U CN 202222989533U CN 218660289 U CN218660289 U CN 218660289U
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Abstract
The utility model provides a forced demoulding structure and a mould thereof, wherein the forced demoulding structure comprises a first ejector block, an injection moulding product is arranged on the first ejector block, an inverted buckle is arranged on the side edge of the product, and one part of the inverted buckle is matched with the first ejector block; the inclined top is arranged on one side of the first ejection block and matched with the other part of the reverse buckle; the second ejector block is arranged on the outer side of the inclined top and is abutted against the edge of the product, and the second ejector block is used for pushing the product to enable the product to be forcibly separated from the first ejector block. After the mold is opened, the mold is separated from a part of the inverted buckle through the inclined top movement, and the edge of the product is pushed by the second ejector block so that the product is separated from the first ejector block in a forced manner, and forced demolding of the product is completed; the operation not only reduces the degree of damage to the surface of the product caused by forced demoulding, but also completes demoulding of the back-off under the condition that the product moulding requirement can be met and the common pitched roof cannot be used.
Description
Technical Field
The utility model discloses automobile mold's technical field, in particular to take off structure by force and mould thereof.
Background
Bumpers for automobiles are sometimes designed with undercuts for assembling the bumper with other parts of the automobile. In the process of producing the bumper, if the back-off is required to be separated from the injection mold, a pitched roof structure is usually arranged on the mold; in a conventional pitched roof structure, a structure that a pitched roof, a pitched roof rod and a pitched roof seat are matched is generally adopted, the pitched roof seat is installed on a movable template, and the pitched roof seat is driven to move through the movable template, so that the pitched roof rod is driven to move, and the pitched roof is separated from the back-off of a product. However, in some injection molds, the internal space is limited, and an inclined top structure cannot be arranged; or the common pitched roof structure cannot be used due to the molding limitation of the product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take off structure by force and mould thereof aims at solving the problem that can't use ordinary oblique top structure to break away from the back-off on the bumper among the prior art.
In order to achieve the above object, the present invention provides a forced demoulding structure in a first aspect, which comprises a first ejector block, on which an injection-moulded product is arranged, a reverse buckle is arranged on the side edge of the product, and a part of the reverse buckle is matched with the first ejector block; the inclined top is arranged on one side of the first ejection block and matched with the other part of the reverse buckle; the second ejector block is arranged on the outer side of the inclined top and is abutted against the edge of the product, and the second ejector block is used for pushing the product to enable the product to be forcibly separated from the first ejector block.
The first ejector block and the inclined ejector are arranged to be matched with the reverse buckle respectively, and the molding requirement of the reverse buckle can be met in the injection molding process of the mold; after the mold is opened, the mold is separated from a part of the inverted buckle through the inclined top movement, and then the edge of the product is pushed by the second ejector block, so that the product is separated from the first ejector block in a forced manner, and forced demolding of the product is completed. Through the cooperation of oblique top and first kicking block, implement the secondary drawing of patterns to the back-off, and only adopt the forced demoulding when the drawing of patterns of second time, the operation has not only reduced the degree that the forced demoulding produced destruction to the product surface like this, under the condition that can satisfy the product molding demand and can't use ordinary oblique top, has accomplished the drawing of patterns to the back-off simultaneously.
Furthermore, the area of the first ejector block matched with the inverted buckle is smaller than that of the inclined top matched with the inverted buckle, so that the area of forced demoulding of the inverted buckle is reduced, and the condition that the surface of a product is scratched due to forced demoulding is improved.
Further, the forced demoulding structure further comprises a slide block, the slide block is abutted against the outer side of the inverted buckle in a mould closing state, and the slide block slides away from the inverted buckle when the mould is opened.
Further, the forced demoulding structure comprises a driving assembly, wherein the driving assembly is connected with the sliding block and drives the sliding block to slide away from the reverse buckle after the mould is opened.
Further, this structure of taking off by force still includes the locating part, the locating part with the slider is connected, is used for the restriction the sliding distance of slider.
Further, the first top block is a detachable insert.
The utility model provides a mould in a second aspect, which comprises an ejector pin bottom plate, an ejector pin panel and any one of the above forced demoulding structures; the thimble bottom plate is connected with the first ejector block and the inclined top, and the thimble panel is connected with the second ejector block.
Furthermore, the mould also comprises a limiting component, wherein the limiting component is connected with the ejector pin bottom plate and the ejector pin panel and is used for limiting the moving distance of the ejector pin bottom plate and the ejector pin panel after the mould is opened.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic view of a forced release structure of the present invention;
fig. 2 is a schematic diagram of a mold according to the present invention.
Wherein: 1-a first ejector block, 2-an inclined ejector, 3-a second ejector block, 4-a sliding block, 5-an ejector pin bottom plate, 6-an ejector pin panel, 7-a limiting assembly, 00-a product and 01-an inverted buckle.
Detailed Description
The technical solution provided by the present invention will be explained in more detail with reference to fig. 1-2.
It should be understood that the embodiments described are only a few 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 shown in fig. 1, the present invention provides a forced demoulding structure in a first aspect, which comprises a first top block 1, on which an injection molded product 00 is provided, an inverted buckle 01 is provided on a side edge of the product 00, and a part of the inverted buckle 01 is matched with the first top block 1; the inclined top 2 is arranged on one side of the first top block 1, and the inclined top 2 is matched with the other part of the reverse buckle 01; and the second top block 3 is arranged on the outer side of the inclined top 2, and the second top block 3 is abutted against the edge of the product 00 and used for pushing the product 00 to enable the product 00 to be forcibly separated from the first top block 1.
The first ejector block 1 and the inclined ejector 2 are arranged to be matched with the reverse buckle 01 respectively, and the molding requirement of the reverse buckle 01 can be met in the injection molding process of a mold; after the mold is opened, the inclined top 2 moves to be separated from a part of the inverted buckle 01, and then the edge of the product 00 is pushed by the second top block 3, so that the product 00 is separated from the first top block 1 forcibly, and forced demolding of the product 00 is completed. Through the cooperation of oblique top 2 and first kicking block 1, carry out the secondary drawing of patterns to back-off 01, and only adopt forced demoulding when the secondary drawing of patterns, the operation has not only reduced the degree that forced demoulding produced destruction to product 00 surface like this, can satisfy product 00 molding demand and can't use under the condition of ordinary oblique top 2 simultaneously, has accomplished the drawing of patterns to back-off 01.
Further, the matching area of the reverse buckle 01 and the first ejector block 1 is smaller than the matching area of the reverse buckle 01 and the inclined ejector 2, so that the forced demoulding area of the reverse buckle 01 is reduced, and the condition that the forced demoulding may cause the surface of a product 00 to be scratched is improved.
Further, the forced demoulding structure further comprises a slide block 4, the slide block 4 is abutted against the outer side of the reverse buckle 01 in a mould closing state, and the slide block 4 slides away from the reverse buckle 01 when the mould is opened.
Further, the forced demoulding structure comprises a driving assembly, wherein the driving assembly is connected with the sliding block 4 and drives the sliding block 4 to slide away from the reverse buckle 01 after the mould is opened.
Further, this structure of taking off by force still includes the locating part, the locating part with slider 4 is connected, is used for the restriction slider 4's sliding distance.
When the die is closed, the first ejector block and the inclined top are abutted against the inner side of the inverted buckle, the slide block is abutted against the outer side of the inverted buckle, and a cavity for inverted buckle forming is formed between the first ejector block and the inclined top as well as the slide block; after the mold is opened, the sliding block is far away from the back-off under the driving of the driving assembly and stops sliding under the action of the limiting part, so that space is provided for subsequent demolding of the product.
Further, the first top block 1 is a detachable insert. On one hand, the requirement on product modeling can be met, and on the other hand, different inserts can be replaced according to different products;
according to the die opening device, the first ejector block, the inclined ejector, the second ejector block and the sliding block are arranged, wherein the first ejector block and the inclined ejector are respectively matched with a part of the inverted buckle, the sliding block slides in a direction away from the inverted buckle under the driving of the driving assembly after the die is opened, and stops sliding under the action of the limiting part, and at the moment, the sliding block provides a space for demoulding of a product; in the first stage, the first ejection block, the inclined ejector and the second ejection block are ejected upwards simultaneously, and the inclined ejector moves horizontally relative to the reverse buckle at the moment, so that the separation of the inclined ejector and one part of the reverse buckle is completed; in the second stage, the first ejector block and the inclined ejector are not ejected continuously any more, the second ejector block pushes the product to eject upwards, so that the reverse buckle is separated from the first ejector block forcibly, the connection area of the first ejector block and the reverse buckle is much smaller than that of the inclined ejector block and the reverse buckle, only a small part of the reverse buckle needs to be tripped forcibly, the damage of the forced tripping to the product appearance is reduced, and the smoothness of the product outer surface is ensured.
As shown in fig. 2, the present invention provides a mold in a second aspect, which comprises a thimble base plate 5 and a thimble panel 6, and further comprises a forced demoulding structure as described above; the thimble bottom plate 5 is connected with the first ejector block 1 and the inclined ejector 2, and the thimble panel 6 is connected with the second ejector block 3.
Further, the mould further comprises a limiting component 7, wherein the limiting component 7 is connected with the ejector pin base plate 5 and the ejector pin panel 6 and used for limiting the moving distance of the ejector pin base plate 5 and the ejector pin panel 6 after the mould is opened.
In the first stage, the ejector pin bottom plate and the ejector pin panel move simultaneously, the first ejector block, the inclined ejector and the second ejector block are driven to eject upwards simultaneously, and the inclined ejector moves horizontally relative to the reverse buckle at the moment, so that the separation of the inclined ejector and one part of the reverse buckle is completed; and in the second stage, the ejector pin bottom plate does not move any more, the first ejector block and the inclined ejector block do not continue to eject any more, and the ejector pin panel drives the second ejector block to push the product to eject upwards, so that the reverse buckle is forcibly separated from the first ejector block. The limiting assembly is used for controlling the moving distance between the thimble base plate and the thimble panel in the first stage; the limiting assembly comprises a limiting block and a button machine, the button machine is opened under the action of the limiting block, and ejection in the first stage is stopped.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, the words do not have a special meaning unless otherwise stated.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (8)
1. A forced release structure, comprising:
the injection molding device comprises a first ejector block, a second ejector block and a third ejector block, wherein an injection molded product is arranged on the first ejector block, an inverted buckle is arranged on the side edge of the product, and one part of the inverted buckle is matched with the first ejector block;
the inclined top is arranged on one side of the first ejection block and matched with the other part of the reverse buckle;
the second ejector block is arranged on the outer side of the inclined top and is abutted against the edge of the product, and the second ejector block is used for pushing the product to enable the product to be forcibly separated from the first ejector block.
2. A forced release structure according to claim 1, wherein:
the area of the reverse buckle matched with the first ejector block is smaller than the area of the reverse buckle matched with the inclined top.
3. A forced release structure according to claim 1, wherein:
the forced demoulding structure further comprises a sliding block, when the mould is closed, the sliding block is abutted to the outer side of the inverted buckle, and when the mould is opened, the sliding block slides away from the inverted buckle.
4. A forced release structure according to claim 3, wherein:
the forced demoulding structure comprises a driving assembly, wherein the driving assembly is connected with the sliding block and drives the sliding block to slide away from the reverse buckle after a mould is opened.
5. A forced release structure according to claim 3, wherein:
the forced demoulding structure further comprises a limiting part, wherein the limiting part is connected with the sliding block and used for limiting the sliding distance of the sliding block.
6. A forced release structure according to claim 1, wherein:
the first ejector block is a detachable insert.
7. A mold, comprising a thimble base plate and a thimble panel, characterized in that the mold further comprises a forced demoulding structure according to any one of claims 1 to 6; the thimble bottom plate is connected with the first ejector block and the inclined top, and the thimble panel is connected with the second ejector block.
8. A mould according to claim 7, characterized in that:
the mould further comprises a limiting assembly, wherein the limiting assembly is connected with the ejector pin base plate and the ejector pin panel and used for limiting the moving distance of the ejector pin base plate and the ejector pin panel after the mould is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222989533.XU CN218660289U (en) | 2022-11-09 | 2022-11-09 | Forced demoulding structure and mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222989533.XU CN218660289U (en) | 2022-11-09 | 2022-11-09 | Forced demoulding structure and mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218660289U true CN218660289U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222989533.XU Active CN218660289U (en) | 2022-11-09 | 2022-11-09 | Forced demoulding structure and mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218660289U (en) |
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- 2022-11-09 CN CN202222989533.XU patent/CN218660289U/en active Active
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