CN221518614U - Delayed ejection injection mold - Google Patents

Abstract

The utility model relates to the technical field of injection molds, and particularly discloses a delayed ejection injection mold which comprises a base, wherein a mold body is connected to the base in a sliding manner through a driving unit, and a mold core is arranged on the mold body and is used for the injection mold; an ejection assembly is further arranged between the base and the die core, and when the driving unit drives the die body to slide, a workpiece positioned on the die core is ejected out through the ejection assembly so as to realize demolding of the workpiece; the ejection assembly comprises a plurality of groups of ejector pins fixedly connected to the base row. When the die is required to be used, the upper die and the lower die are used for die assembly, after the workpiece is molded through injection molding of the die core and cooling, the driving unit drives the lower die to slide downwards, the ejector pin is kept motionless, so that the workpiece is ejected out through the ejector pin and is disassembled, and therefore, the workpiece positioned on the die core is taken out without arranging other driving components, and further the working requirement can be met.

Description

Delayed ejection injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a delayed ejection injection mold.

Background

The injection mold is a mold used in the injection molding process to shape molten plastic into a specific size and shape, and the injection molding method has the advantages of high production speed, high efficiency, automatic operation, various patterns, various shapes, small-size products, accurate product size, easy updating of products and capability of forming products with complex shapes.

After injection molding, it is generally necessary to take out a work piece located on a mold, and it is known that the work piece is adhered to the mold after cooling, and therefore, it is necessary to eject the mold before demolding. In the prior art, an air cylinder or other driving sources are usually arranged to push the workpiece out of the position, so that the cost is increased, the energy consumption is increased, and certain defects exist.

Disclosure of utility model

The utility model aims to provide a delayed ejection injection mold so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the delayed ejection injection mold comprises a base, wherein a mold body is connected to the base in a sliding manner through a driving unit, and a mold core is arranged on the mold body and is used for the injection mold; an ejection assembly is further arranged between the base and the die core, and when the driving unit drives the die body to slide, a workpiece positioned on the die core is ejected out through the ejection assembly so as to realize demolding of the workpiece; the ejection assembly comprises a plurality of groups of ejector pins fixedly connected to the base row, and each ejector pin is connected with the die core in a sliding manner through a corresponding pin hole.

Further, a bearing disc is arranged on the die body, two sides of the bearing disc are respectively and slidably connected with an adapting block, an injection molding channel is formed between the two adapting blocks, and the injection molding channel is adapted to the die core so as to mold the inside of the workpiece.

Further, the bottom of the die body is fixed with a plurality of groups of limiting sleeves through a bottom plate, a plurality of groups of limiting rods are fixedly connected to the base, and each limiting sleeve is respectively and slidably connected with the corresponding limiting rod.

Further, the driving unit is an air cylinder and is used for driving the die body to slide.

Compared with the prior art, the utility model has the beneficial effects that: this postpone ejecting injection mold, through the cooperation between base, drive unit, mould body, thimble etc. when needs use this mould, through last mould and bed die compound die, through mould benevolence injection molding and cooling shaping work piece after, go up mould and bed die separation, in the stroke that drive unit drove the bed die to slide downwards, the thimble keeps motionless, consequently will be located the work piece on the mould benevolence through the thimble ejecting, dismantle the work piece, consequently need not to set up additional other drive assembly and take out the work piece that will be located the mould benevolence, thereby can further satisfy the work needs, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a mold insert mounting position according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial structure of an ejector assembly according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a limiting component according to an embodiment of the present utility model;

fig. 5 is a schematic view of a workpiece structure according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a base; 2. a die body; 3. a workpiece; 4. a mold core; 5. a carrying tray; 6. an adaptation block; 7. an injection molding channel; 8. a bottom plate; 9. a limit rod; 10. a limit sleeve; 11. and (5) a thimble.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the delayed ejection injection mold comprises a base 1, wherein the base 1 is connected with a mold body 2 in a sliding way through a driving unit, and a mold core 4 is arranged on the mold body 2 and is used for the injection mold; an ejection assembly is further arranged between the die cores 4 of the base 1, and when the driving unit drives the die body 2 to slide, the workpiece 3 positioned on the die cores 4 is ejected through the ejection assembly so as to realize demolding of the workpiece 3; the ejection assembly comprises a plurality of groups of ejector pins 11 fixedly connected to the base 1, and each ejector pin 11 is respectively connected with the die core 4 in a sliding manner through a corresponding pin hole.

Specifically, this delayed ejecting injection mold, including base 1, there is a mould body 2 through drive unit sliding connection on the base 1, and specifically, this injection mold cooperation die carrier uses, installs the mould on the die carrier, installs mould benevolence 4 on the mould body 2, goes up mould and mould benevolence 4 looks adaptation for injection mold. An ejection assembly is further arranged between the die cores 4 of the base 1, so that the workpiece 3 can be conveniently ejected, and the use effect is better. When the driving unit drives the die body 2 to slide, the workpiece 3 positioned on the die core 4 is ejected out through the ejection assembly, so that the workpiece 3 is demolded; the ejection assembly comprises a plurality of groups of ejector pins 11 fixedly connected to the base 1, each ejector pin 11 is respectively connected with the die core 4 in a sliding manner through a corresponding pin hole, and meanwhile, the ejector pins 11 penetrate through the die body 2 and then are connected with the die core 4 in a sliding manner. Therefore, when the die is required to be used, the upper die and the lower die are clamped, the die core 4 is used for injection molding, and after the workpiece 3 is cooled and molded, the upper die is separated from the lower die, and the driving unit drives the lower die to slide downwards, so that the ejector pins 11 are kept still, the workpiece 3 positioned on the die core 4 is ejected out through the ejector pins 11, the workpiece 3 is disassembled, and therefore, the workpiece 3 positioned on the die core 4 is taken out without arranging other driving components, further working requirements can be met, and the use effect is good.

In the embodiment provided by the utility model, the bearing disc 5 is arranged on the die body 2, the two sides of the bearing disc 5 are respectively and slidably connected with the adapting blocks 6, the injection molding channel 7 is formed between the two adapting blocks 6, and the injection molding channel 7 is matched with the die core 4 so as to mold the inside of the workpiece 3, thereby further meeting the injection molding requirement of the workpiece 3 and having good use effect.

In the embodiment provided by the utility model, the bottom of the die body 2 is fixedly provided with a plurality of groups of limiting sleeves 10 through the bottom plate 8, the base 1 is fixedly connected with a plurality of groups of limiting rods 9, and each limiting sleeve 10 is respectively and slidably connected with the corresponding limiting rod 9, so that the stability of the die body 2 during sliding can be further improved.

In the embodiment provided by the utility model, the driving unit is an air cylinder and is used for driving the die body 2 to slide so as to meet the working requirement.

It should be noted that the electric equipment and the external power supply related to the application can be powered by the storage battery.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a delay ejecting injection mold, includes base (1), there is a mould body (2) on base (1) through drive unit sliding connection, its characterized in that:

The die body (2) is provided with a die core (4) for an injection die;

An ejection assembly is further arranged between the base (1) and the die core (4), and when the driving unit drives the die body (2) to slide, the workpiece (3) positioned on the die core (4) is ejected through the ejection assembly so as to realize demolding of the workpiece (3);

The ejection assembly comprises a plurality of groups of ejector pins (11) fixedly connected to the base (1) in rows, and each ejector pin (11) is respectively connected with the die core (4) in a sliding mode through a corresponding pin hole.

2. The delayed ejection injection mold of claim 1, wherein: install on the mould body (2) and bear dish (5), respectively sliding connection has adaptation piece (6) on the both sides of bearing dish (5), two form between adaptation piece (6) and mould plastics passageway (7), mould plastics passageway (7) and mould benevolence (4) looks adaptation to inside work piece (3) of moulding plastics.

3. The delayed ejection injection mold of claim 1, wherein: the die comprises a die body (2), a plurality of groups of limiting sleeves (10) are fixed at the bottom of the die body (2) through a bottom plate (8), a plurality of groups of limiting rods (9) are fixedly connected to a base (1), and each limiting sleeve (10) is respectively connected with the corresponding limiting rod (9) in a sliding mode.

4. The delayed ejection injection mold of claim 1, wherein: the driving unit is an air cylinder and is used for driving the die body (2) to slide.