CN211221855U

CN211221855U - Cabinet opening mold ejection optimization injection mold

Info

Publication number: CN211221855U
Application number: CN201921170443.XU
Authority: CN
Inventors: 朱宇良; 翁锡湖
Original assignee: Hona Electric Appliance Co ltd
Current assignee: Hona Electric Appliance Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-08-11
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to an ejecting optimization injection mold of cabinet mouth mould, including movable mould and cover half, the cover half includes cover half panel, runner plate and fixed die plate, the movable mould includes bottom plate, thimble panel, thimble bottom plate, square iron and movable mould board, runner plate top is located to the cover half panel, the top of fixed die plate is located to the runner plate, the movable mould board passes through the square iron and connects on the bottom plate, the square iron passes the movable mould board and links to each other with the fixed die plate, thimble panel and the range upon range of on locating the bottom plate of thimble bottom plate, wear to be equipped with oblique top and backstitch between thimble panel and the thimble bottom plate, the upwards extend the movable mould board of extending to one side, and a plurality of roots the oblique top is encircleed with inside orientation and is arranged in the movable mould inboard, the beneficial effects of the utility: the simplified ejection mode is adopted, the rib position is ejected by the inclined ejector, and only one-time ejection structure is needed, so that the mold structure is simplified, the simplified scheme avoids ejection by using an oil cylinder, the injection molding period is shortened, and the injection molding cost is reduced.

Description

Cabinet opening mold ejection optimization injection mold

Technical Field

The utility model belongs to the technical field of mould plastics, concretely relates to ejecting injection mold that optimizes of cabinet mouth mould.

Background

The ejection mechanism in the mold is used for ejecting the molded product out of the mold cavity so as to automatically demould the product. Common ejection mechanisms include hydraulic, pneumatic, mechanical and the like, wherein the mechanical ejection mechanism is the most widely used ejection mode in injection molds. Generally, the product can be demoulded by one-time ejection action, but when the product has a special structure and cannot be completely separated from a mould cavity after one-time ejection or a part of ejection parts are still clamped in the product, the product cannot automatically fall off from the mould, and at this time, one-time ejection action needs to be added, and the design for completing the secondary ejection action is called secondary ejection. The conventional design generally needs to use four ejector plates to realize the secondary ejection effect, and the secondary ejection die has the problems of more ejector plates, complex structure, large installation space and higher manufacturing cost. And on a large-scale mold, the first ejection is usually performed by using an oil cylinder, so that the injection molding period is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem among the background art, provide an ejecting optimization injection mold of mouth mould, satisfied the correlation technique demand, concrete technical scheme is as follows:

an injection mold for optimizing ejection of a cabinet opening mold comprises a movable mold and a fixed mold, wherein the fixed mold comprises a fixed mold panel, a runner plate and a fixed mold plate, the movable mold comprises a bottom plate, an ejector pin panel, an ejector pin bottom plate, square iron and a movable mold plate, the fixed mold panel is arranged above the runner plate, the runner plate is arranged above the fixed mold plate, the movable mold plate is connected onto the bottom plate through the square iron, the square iron penetrates through the movable mold plate and is connected with the fixed mold plate, the ejector pin panel and the ejector pin bottom plate are arranged on the bottom plate in a stacked mode and are connected with the movable mold plate through an ejector roller, an ejector roller hole penetrating through the ejector pin bottom plate is formed in the middle of the bottom plate, an inclined top and a return pin are arranged between the ejector pin panel and the ejector pin bottom plate in a penetrating mode from the ejector pin panel to the top, a plurality of the inclined tops are arranged on the inner side of the movable, and vertically and upwardly penetrates through the movable template to be contacted with the fixed template.

As the utility model discloses further technical scheme, the cover half mold insert is inlayed to the cover half below, the movable mould board top is inlayed corresponding to the cover half mold insert and is equipped with the movable mould mold insert, the outside of wearing to locate the movable mould mold insert is pushed up to one side.

As a further technical scheme of the utility model, the top of oblique top is equipped with the kicking block.

As a further technical proposal of the utility model, the inclination angle of the pitched roof is 3 degrees.

As a further technical scheme of the utility model, be equipped with the reset spring who links to each other with the fixed die plate on thimble panel and the thimble bottom plate.

The beneficial effects of the utility model reside in that: the simplified ejection mode is adopted, the rib position is ejected by the inclined ejector, and only one-time ejection structure is needed, so that the mold structure is simplified, the simplified scheme avoids ejection by using an oil cylinder, the injection molding period is shortened, and the injection molding cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a stationary mold 1 portion.

FIG. 3 is a schematic structural view of a part of the movable mold 2.

Fig. 4 is a schematic view of the contact effect of the product 18 with the pitched roof 12.

Wherein: the device comprises a fixed die 1, a movable die 2, a fixed die panel 3, a runner plate 4, a fixed die plate 5, a bottom plate 25, an ejector pin panel 6, an ejector pin bottom plate 7, square iron 8, a movable die plate 9, an ejector roller 10, an ejector roller hole 11, an inclined ejector 12, a return pin 13, a fixed die insert 14, a movable die insert 15, an ejector block 16, a return spring 17 and a product 18.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Referring to the attached drawings, the optimized injection mold for ejecting the cabinet opening mold comprises a fixed mold 1 and a movable mold 2, wherein the fixed mold 1 comprises a fixed mold panel 3, a runner plate 4 and a fixed mold plate 5, the movable mold 2 comprises a bottom plate 25, an ejector pin panel 6, an ejector pin bottom plate 7, square iron 8 and a movable mold plate 9, the fixed mold panel 3 is arranged above the runner plate 4, the runner plate 4 is arranged above the fixed mold plate 5, the movable mold plate 9 is connected to the bottom plate 25 through the square iron 8, the square iron 8 penetrates through the movable mold plate 9 to be connected with the fixed mold plate 5, the ejector pin panel 6 and the ejector pin bottom plate 7 are arranged on the bottom plate 25 in a stacking manner and are connected with the movable mold plate 9 through an ejector roller 10, an ejector roller hole 11 penetrating through the ejector pin bottom plate 7 is formed in the middle part of the bottom plate 25, an inclined ejector 12 and a return pin 13 penetrate through the ejector pin between the ejector pin panel 6 and the ejector pin bottom plate 7, and a plurality of the inclined ejectors 12 are arranged at the inner side of the movable template 9 in an inward direction in a surrounding way, and the clips 13 are symmetrically arranged at two sides of the thimble panel 6, vertically and upwards penetrate through the movable template 9 and are contacted with the fixed template 5.

In particular, referring to fig. 3 and 4, normally, the deep rib position around the cabinet opening will be ejected by the straight ejector, and this ejection method will cause the product 18 to clamp the straight ejector around the circumference when shrinking, so that a secondary ejection structure is needed to eject the product 18 to separate from the straight ejector, and this structure has two ejection actions, so that two ejector plates are needed, and because the cabinet opening type mold is larger, the first ejection also needs to be ejected by the oil cylinder, in the implementation process of the present invention, the ejector roller hole 11 of the moving mold 2 is externally connected with power to eject the ejector pin bottom plate 7, and the ejector roller 10 fixed on the ejector pin panel 6 is driven to drive the moving mold plate 9 to eject upwards, so as to cover the fixed mold plate 5 of the fixed mold 1, then the material is fed between the fixed and moving mold plates by the runner plate 4 connected with the fixed mold panel 3 to form a finished product, the fixed mold plate 9 is reset, and the inclined ejector 12 connected with the ejector pin panel 6 is pushed by external power, when the inclined ejector 12 is ejected, the core can be pulled inwards, namely, the ejector position is separated from the empty ejector position, so that the problem that the product 18 is clamped and ejected is solved, the injection molding period is shortened, then the ejector 12 is driven by the return pin 13 to return, and the product 18 can be taken out.

Referring to fig. 1 and 2, in a preferred embodiment, a fixed mold insert 14 is embedded below the fixed mold plate 5, a movable mold insert 15 is embedded above the movable mold plate 9 corresponding to the fixed mold insert 14, the lifter 12 is inserted into the outer side of the movable mold insert 15, the shape of the injection molded product can be determined according to different fixed mold inserts 14 and movable mold inserts 15, and the lifter 12 is arranged on the outer side of the movable mold insert 15 to facilitate ejecting the product 18.

Referring to fig. 1, in a preferred embodiment, the top end of the lifter 12 is provided with a top block 16, and the top block 16 can increase the contact area between the top end of the lifter 12 and the product, reduce the pressure, minimize the influence on the appearance of the product 18, and make the ejection force uniform.

In a preferred embodiment, as shown in fig. 1 and 4, the angle of inclination of the slanted ejecting part 12 is 3 °, which avoids the problem of easy damage of the slanted ejecting part 12.

Referring to fig. 1, in a preferred embodiment, the thimble panel 6 and the thimble base plate 7 are provided with a return spring 17 connected to the fixed mold plate 5, and the movable mold plate 9 and the lifter 12 can be very easily returned by the return spring 17, so as to facilitate the removal of the product 18.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An injection mold for optimizing ejection of a cabinet opening mold comprises a movable mold and a fixed mold, and is characterized in that the fixed mold comprises a fixed mold panel, a runner plate and a fixed mold plate, the movable mold comprises a bottom plate, an ejector pin panel, an ejector pin bottom plate, square iron and a movable mold plate, the fixed mold panel is arranged above the runner plate, the runner plate is arranged above the fixed mold plate, the movable mold plate is connected onto the bottom plate through the square iron, the square iron penetrates through the movable mold plate and is connected with the fixed mold plate, the ejector pin panel and the ejector pin bottom plate are arranged on the bottom plate in a stacked mode and are connected with the movable mold plate through an ejector roller, an ejector roller hole penetrating through the ejector pin bottom plate is arranged in the middle of the bottom plate, an inclined top and a return pin are arranged between the ejector pin panel and the ejector pin bottom plate in a penetrating mode upwards through the movable mold plate from the ejector pin panel, and a plurality of the inclined tops are arranged on the inner, and vertically and upwardly penetrates through the movable template to be contacted with the fixed template.

2. The optimized injection mold for ejection of a cabinet opening mold according to claim 1, wherein a fixed mold insert is embedded below the fixed mold plate, a movable mold insert is embedded above the movable mold plate corresponding to the fixed mold insert, and the lifter is inserted outside the movable mold insert.

3. The optimized injection mold for ejection of a cabinet opening mold as claimed in claim 1, wherein a top block is provided at the top end of the slanted top.

4. The cabinet opening mold ejection optimization injection mold according to claim 1, wherein the angle of inclination of the slanted top is 3 °.

5. The injection mold for optimizing ejection of a cabinet opening mold as claimed in claim 1, wherein the ejector pin panel and the ejector pin base plate are provided with return springs connected to the fixed mold plate.