CN223001000U - A deep cavity inverted anti-deformation mold structure - Google Patents

Abstract

The utility model provides a deep cavity inverted anti-deformation die structure which comprises an upper fixed plate, an ejector plate, a fixed die plate, a movable die plate and a lower fixed plate from top to bottom, wherein a fixed die insert is embedded at the bottom of the fixed die plate, a forming groove is formed in the movable die plate, a convex block is formed at the bottom of the forming groove in a protruding mode, the fixed die insert is arranged in the forming groove to form a forming die cavity, two sides of the fixed die insert are outwards and arcuately protruded, two sides of the corresponding forming groove are arcuately recessed, a rubber inlet pipe is arranged on the upper fixed plate, and penetrates through the ejector plate, the fixed die insert and the movable die plate downwards to the die cavity.

Description

Deep cavity flip-chip anti-deformation die structure

Technical Field

The utility model relates to the field of dies, in particular to a deep cavity inverted deformation-preventing die structure.

Background

The mould is the instrument that is used for making the moulded product, through the different shape preparation different shapes of mould, like the outdoor chair of fig. 1, outdoor chair adopts integrative injection moulding, traditional outdoor chair mould adopts a plurality of heat to chew the design of runner in order to reduce injection pressure, reduce the product deformation, however, such a plurality of heat chew the design of runner and lead to appearing many solution lines on the product easily, influence the outward appearance of product, and the outdoor chair cooling back both sides of moulding plastics are easy indent deformation, influence product quality.

Disclosure of utility model

The utility model provides a deep cavity inverted anti-deformation die structure, and aims to solve the technical problems mentioned in the technical background.

The deep cavity inverted deformation-preventing die structure comprises an upper fixed plate, an ejector pin plate, a fixed die plate, a movable die plate and a lower fixed plate from top to bottom, wherein a fixed die insert is embedded at the bottom of the fixed die plate, a forming groove is formed in the movable die plate, a convex block is formed at the bottom of the forming groove in a protruding mode, the fixed die insert is arranged in the forming groove to form a forming cavity, two sides of the fixed die insert protrude outwards in an arc mode, two sides of the corresponding forming groove are recessed in an arc mode, and a rubber inlet pipe is arranged on the upper fixed plate and penetrates through the ejector pin plate, the fixed die insert and the movable die plate downwards to the cavity.

Further, the fixed die plate is provided with ejector blocks at four corners of the fixed die insert respectively, a first ejector rod is arranged at the bottom of the ejector plate, and the first ejector rod is connected with the ejector blocks.

Further, the bottom of the thimble plate is provided with a water passing pipe, and the water passing pipe is communicated with the ejector block through the ejector rod.

Further, the fixed die insert is further provided with a square block, a second ejector rod is arranged at the bottom of the ejector plate, and the second ejector rod is connected with the square block.

Further, the movable mould plate is further provided with a water well.

Further, a plurality of cooling channels are arranged in the fixed die plate and the movable die plate.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model relates to a deep cavity inverted anti-deformation die structure, which comprises an upper fixed plate, an ejector plate, a fixed die plate, a movable die plate and a lower fixed plate from top to bottom, wherein a fixed die insert is embedded at the bottom of the fixed die plate, a forming groove is formed in the movable die plate, a convex block is formed at the bottom of the forming groove in a protruding mode, the fixed die insert is arranged in the forming groove to form a forming die cavity, two sides of the fixed die insert are outwards and arcuately protruded, two sides of the corresponding forming groove are arcuately recessed, an rubber inlet pipe is arranged on the upper fixed plate, and downwards penetrates through the ejector plate, the fixed die insert and the movable die plate to the die cavity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an outdoor chair construction;

FIG. 2 is a schematic view of a deep cavity flip-chip deformation-preventing mold structure according to the present utility model;

FIG. 3 is a schematic diagram of a fixed template structure of the deep cavity inverted deformation-preventing mold structure of the utility model;

FIG. 4 is a schematic diagram of a movable die plate of the deep cavity inverted deformation-preventing die structure;

FIG. 5 is a schematic view of the structure of the ejector plate, ejector block and square block of the deep cavity inverted deformation-preventing mold structure of the utility model.

Description of the main reference signs

10. The upper fixing plate, 101, the rubber inlet pipe;

20. A needle ejection plate; 201, a first ejector rod, 202, a second ejector rod, 203, a water pipe;

30. A fixed template, 301 a fixed mold insert, 302 a top block, 303 a square block;

40. a movable template 401, a forming groove;

50. Lower fixing plate

60. Outdoor chairs.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

The outdoor chair 60 shown in fig. 1 is integrally injection molded.

Referring to fig. 2, the utility model discloses a deep cavity inverted deformation-preventing die structure, which comprises an upper fixing plate 10, a thimble plate 20, a fixed die plate 30, a movable die plate 40 and a lower fixing plate 50 from top to bottom, wherein a fixed die insert 301 is embedded at the bottom of the fixed die plate 30, a forming groove 401 is formed in the movable die plate 40, a convex block is formed at the bottom of the forming groove 401, the fixed die insert 301 is arranged in the forming groove 401 to form a forming cavity, the cavity is used for forming an outdoor chair 60 during die assembly, an inverted die structure is adopted, a rubber inlet pipe 101 is arranged on the upper fixing plate 10, the rubber inlet pipe 101 downwards penetrates through the thimble plate 20, the fixed die insert 301 and the movable die plate 40 to the cavity, hot melt adhesive enters the cavity from the rubber inlet pipe 101, and after forming, a plurality of rubber inlet gates are formed in the bottom of the outdoor chair 60, and the whole attractiveness is improved.

Referring to fig. 3 to 5, two sides of the fixed mold insert 301 are protruded outwards in an arc shape, two sides of the corresponding molding groove 401 are recessed in an arc shape, specifically, a product is deformed in a cooling process after being separated from a mold, two sides of the outdoor chair 60 are recessed inwards, so that the product is scrapped.

Referring to fig. 3 to 5, the fixed mold plate 30 is provided with ejector blocks 302 at four corners of the fixed mold insert 301, the bottom of the ejector plate 20 is provided with a first ejector rod 201, and the first ejector rod 201 is connected with the ejector blocks 302. Specifically, the fixed die plate 30 and the movable die plate 40 are separated during die opening, a product stays in the fixed die insert 301, the ejector plate 20 pushes the first ejector rod 201 to push the ejector block 302 to push the four chair legs of the outer chair downwards, and the product is pushed to be demolded from the fixed die insert 301. Further, the bottom of the ejector plate 20 is provided with the water pipe 203, the water pipe 203 is communicated with the ejector block 302 through the ejector rod, and water is injected towards the ejector block 302 through the water pipe 203 during mold closing, so that cooling of products can be accelerated.

Referring to fig. 3-5, the fixed mold insert 301 is further provided with a square block 303, the bottom of the ejector plate 20 is provided with a second ejector rod 202, and the second ejector rod 202 is connected with the square block 303. When the mold is opened, the ejector pin plate 20 pushes the second ejector rod 202 to push the square block 303, and the square block 303 pushes a product to be demolded from the fixed mold insert 301, so that the product demolding effect is achieved.

In addition, the movable mould plate 40 is further provided with a water well, cooling liquid is injected into the water well during mould closing and injection molding, the movable mould plate 40 is cooled and molded, and further, the fixed mould plate 30 and the movable mould plate 40 are internally provided with a plurality of cooling channels, and the cooling channels can accelerate and uniformly cool products.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A deep cavity inverted anti-deformation mold structure, characterized in that it includes an upper fixed plate, an ejector plate, a fixed mold plate, a movable mold plate, and a lower fixed plate from top to bottom, the fixed mold plate having a fixed mold insert embedded in the bottom, the movable mold plate having a molding groove, the bottom of the molding groove protruding to form a convex block, the fixed mold insert being placed in the molding groove to form a molding cavity, the two sides of the fixed mold insert protruding outward in an arc shape, and the corresponding two sides of the molding groove are arc-shaped recessed, the upper fixed plate is provided with a rubber inlet pipe, and the rubber inlet pipe passes downward through the ejector plate, the fixed mold insert and the movable mold plate to the cavity. 2. The deep cavity inverted anti-deformation mold structure according to claim 1 is characterized in that: the fixed mold plate is respectively provided with ejector blocks at the four corners of the fixed mold insert, and a first ejector rod is installed at the bottom of the ejector plate, and the first ejector rod is connected to the ejector block. 3. The deep cavity inverted anti-deformation mold structure according to claim 2 is characterized in that: a water pipe is arranged at the bottom of the ejector plate, and the water pipe is connected to the ejector block through the ejector rod. 4. The deep cavity inverted anti-deformation mold structure according to claim 1 is characterized in that: the fixed mold insert is further provided with a square block, a second ejector rod is installed at the bottom of the ejector plate, and the second ejector rod is connected to the square block. 5. The deep cavity inverted anti-deformation mold structure according to claim 1 is characterized in that: the movable mold plate is further provided with a water well. 6 . The deep cavity inverted anti-deformation mold structure according to claim 1 , characterized in that a plurality of cooling channels are arranged inside the fixed mold plate and the movable mold plate.