CN217258141U

CN217258141U - Gas ejection die

Info

Publication number: CN217258141U
Application number: CN202220777018.2U
Authority: CN
Inventors: 李新龙; 黄德志; 付骞; 李淳; 胡明新
Original assignee: Qingdao Haojiang Precision Mould Co ltd
Current assignee: Qingdao Haojiang Precision Mould Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-23
Anticipated expiration: 2032-04-02

Abstract

The utility model relates to an injection mold technical field specifically is a gaseous ejecting mould, include: the surface of the front die is provided with a product groove, and the inner cavity of the product groove is provided with a workpiece matched with the product groove; the injection mold comprises an injection mold plate, wherein a rear mold core is fixedly connected to the injection mold plate, an air guide groove is formed in the rear mold core and communicated with an external high-pressure air pipe, a pattern insert which is right corresponding to a product groove is movably arranged in the rear mold core, and an air blowing hole communicated with an inner cavity of the pattern insert is formed in the surface of the pattern insert; the pattern insert fixing plate is fixedly arranged on the supporting plate, and the supporting plate is attached to the injection mold plate; the beneficial effects are that: the air blowing holes are formed in the surface of the pattern insert, the air guide grooves are formed in the rear mold core, and external high-pressure air can blow off workpieces at the end part of the pattern insert, so that ejection marks on the surface of a product are avoided.

Description

Gas ejection die

Technical Field

The utility model relates to an injection mold technical field specifically is a gaseous ejecting mould.

Background

The die refers to various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production.

In the prior art, a normal injection mold mostly adopts ejector pins to mechanically eject and demould, or adopts ejector pins to mechanically demould, but ejection traces are generated on the surface of an injection product. Therefore, the utility model provides a gaseous ejecting mould is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gaseous ejecting mould to the problem of the ejection vestige is produced easily on injection moulding product surface when the demolding that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gas-ejecting mold, the mold comprising:

the surface of the front die is provided with a product groove, and the inner cavity of the product groove is provided with a workpiece matched with the product groove;

the injection mold comprises an injection mold plate, wherein a rear mold core is fixedly connected to the injection mold plate, an air guide groove is formed in the rear mold core and is communicated with an external high-pressure air pipe, a pattern insert which is right corresponding to a product groove is movably arranged in the rear mold core, an air blowing hole communicated with an inner cavity of the pattern insert is formed in the surface of the pattern insert, and the lower end of the pattern insert movably penetrates through the injection mold plate and is installed on a pattern insert fixing plate;

the supporting plate is fixedly arranged on the supporting plate, and the supporting plate is attached to the injection mold plate.

Preferably, the product grooves and the pattern inserts are both provided with a plurality of product grooves which are distributed in a rectangular array in the horizontal direction.

Preferably, the injection mold plate is provided with a limit pin in a sliding manner, and the lower end of the limit pin penetrates through the injection mold plate and is fixed with the supporting plate.

Preferably, an ejector plate is arranged below the supporting plate, an ejector pin piece is fixedly connected to the ejector plate, and the upper end of the ejector pin piece sequentially and movably penetrates through the supporting plate, the pattern insert fixing plate, the injection mold plate and the rear mold core and is ejected to the surface of the front mold.

Preferably, the front mold is installed on the plate A, and the plate A is attached to the injection mold plate.

Preferably, the ejector pin plate is movably connected with a pin plate guide post in a penetrating manner, and the upper end of the pin plate guide post is fixed with the supporting plate.

Preferably, the supporting plate, the injection mold plate and the plate A are connected in a sliding mode through guide pillars, and guide sleeves are arranged on the outer sides of the guide pillars.

Preferably, the fixed surface of thimble board is connected with the ejector pad, and the inboard laminating of ejector pad has the hasp, and the hasp is fixed on the layer board, and the one end of ejector pad is provided with the slider, and the slider slides and inlays on the surface of injection mold board.

Preferably, the slider is provided with a contour screw, the contour screw is fixed with the injection mold plate, and the contour screw is arranged between the slider and the injection mold plate.

Preferably, a return needle is fixed on the ejector plate, the upper end of the return needle movably penetrates through the supporting plate and is fixed with the injection mold plate, and a return spring is sleeved on the outer side of the return needle.

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

1. according to the gas ejection mold, the pattern insert is movably connected inside the injection mold plate in a penetrating manner, the pattern insert corresponds to the product groove and is attached to the product groove, the surface of the pattern insert is provided with the air blowing hole, and the inside of the rear mold core is provided with the air guide groove;

2. the utility model provides a gaseous ejecting mould, through fixedly connected with paper clip on the thimble board, the upper end activity of paper clip runs through the layer board and is fixed with the injection mold board, reset spring has been cup jointed in the outside of thimble board, when the compound die, reset spring provides thrust and can drive the thimble board, paper clip and injection mold board synchronous motion, thereby ensure that the gas hole on the decorative pattern mold insert can misplace each other with the inside air guide groove of back mould benevolence, with stop that external high-pressure gas blows in this device inside and influence the shaping of product.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of the present invention;

FIG. 2 is a schematic side sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the structure at A-A in FIG. 2 according to the present invention;

FIG. 4 is a schematic sectional view of the push block structure of the present invention;

fig. 5 is a schematic view of the direction B in fig. 4 according to the present invention.

In the figure: 3. a product tank; 4. a front mold; 5. a limit pin; 6. a rear mold core; 7. a pattern insert; 10. a thimble member; 11. a gas blowing hole; 12. a gas guide groove; 13. injection molding a mold plate; 14. a support plate; 16. a, a plate; 17. a needle plate guide post; 18. a decorative pattern insert fixing plate; 19. an ejector plate; 21. a guide post; 22. a guide sleeve; 23. a push block; 24. locking; 25. a slider; 26. an equal-height screw; 29. needle return; 30. a return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are illustrative of some, but not all, embodiments of the invention and are not to be construed as limiting the scope of the invention, as those skilled in the art will recognize and appreciate that many other embodiments can be made without inventive faculty.

In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present invention provides a technical solution: a gas ejection mold, comprising:

the surface of the front die 4 is provided with a plurality of product grooves 3, the product grooves 3 are distributed in a rectangular array in the horizontal direction, the inner cavity of each product groove 3 is provided with a workpiece matched with the product groove 3, and the product grooves 3 are mainly used for forming the workpiece;

injection mold board 13, front mould 4 is installed on A board 16, A board 16 and the laminating of injection mold board 13, A board 16 and injection mold board 13 can separate, thereby be convenient for high-pressure gas to blow off the work piece, fixedly connected with back mould benevolence 6 on injection mold board 13, air guide groove 12 has been seted up to the inside of back mould benevolence 6, the inside activity of back mould benevolence 6 is provided with the decorative pattern mold insert 7 that just corresponds with product groove 3, the terminal surface setting of decorative pattern mold insert 7 with product groove 3 looks adaptation and with the laminating of product groove 3, the hole of blowing 11 with self inner chamber intercommunication is seted up on the surface of decorative pattern mold insert 7, hole of blowing 11 and air guide groove 12 misplace each other, the lower extreme activity of decorative pattern mold insert 7 runs through injection mold board 13 and installs on decorative pattern mold insert fixed plate 18.

The supporting plate 14, the pattern insert fixing plate 18 is fixedly installed on the supporting plate 14, the supporting plate 14 is attached to the injection mold plate 13, the injection mold plate 13 and the supporting plate 14 can be separated from each other, the injection mold plate 13 is provided with a limit pin 5 in a sliding mode, the lower end of the limit pin 5 penetrates through the injection mold plate 13 and is fixed with the supporting plate 14, and the limit pin 5 is arranged to limit the separation distance between the injection mold plate 13 and the supporting plate 14.

Secondly, the air guide groove 12 is communicated with an external high-pressure air pipe, when the injection mold plate 13 and the pattern inserts 7 move relatively, the air blowing holes 11 and the air guide groove 12 can be communicated with each other, so that the inner cavities of the pattern inserts 7 are ensured to be communicated with each other, external high-pressure air is convenient to blow into the inner cavities of the pattern inserts 7 simultaneously, and a plurality of workpieces attached to the end faces of the pattern inserts 7 are convenient to blow out simultaneously.

In addition, an ejector plate 19 is arranged below the supporting plate 14, an ejector 10 is fixedly connected to the ejector plate 19, the upper end of the ejector 10 sequentially and movably penetrates through the supporting plate 14, the pattern insert fixing plate 18, the injection mold plate 13 and the rear mold core 6 and is ejected on the surface of the front mold 4, therefore, when the ejector plate 19 moves up and down, the ejector 10 can be ejected on the surface of the front mold 4 so as to separate the A plate 16 from the injection mold plate 13, an ejector guide pillar 17 is movably connected to the ejector plate 19 in a penetrating manner, the upper end of the ejector guide pillar 17 is fixed to the supporting plate 14, and the ejector guide pillar 17 is arranged for guiding the ejector plate 19 to slide.

Furthermore, the supporting plate 14, the injection mold plate 13 and the a plate 16 are connected in a sliding manner through a guide post 21, a guide sleeve 22 is arranged outside the guide post 21, and the guide post 21 is arranged to guide the relative sliding among the injection mold plate 13, the supporting plate 14 and the a plate 16.

Specifically, a push block 23 is fixedly connected to the surface of the ejector plate 19, a lock catch 24 is attached to the inner side of the push block 23, the lock catch 24 and the push block 23 can slide relative to each other, the lock catch 24 is fixed on the supporting plate 14, a slide block 25 is arranged at one end of the push block 23, the slide block 25 is slidably embedded on the surface of the injection mold plate 13, an equal-height screw 26 is arranged on the slide block 25, the equal-height screw 26 is fixed with the injection mold plate 13, an equal-height screw 26 is arranged between the slide block 25 and the injection mold plate 13, a contact is arranged on the inner side of the lock catch 24, and when the contact on the lock catch 24 is in contact with the slide block 25, the slide block 25 can be pressed into a groove on the surface of the injection mold plate 13, so that the push block 23 is separated from the slide block 25.

In addition, a return needle 29 is fixed on the ejector plate 19, the upper end of the return needle 29 movably penetrates through the supporting plate 14 and is fixed with the injection mold plate 13, and a return spring 30 is sleeved on the outer side of the return needle 29, so that when the ejector plate 19 moves, the return needle 29 drives the injection mold plate 13 to move upwards and separate from the supporting plate 14, and the return spring 30 is mainly used for returning the injection mold plate 13.

When the device is used for opening the mold, the ejector plate 19 is moved upwards, the ejector plate 19 drives the push block 23 to move, the push block 23 pushes the slide block 25 to separate the injection mold plate 13 from the supporting plate 14, and meanwhile, the return pin 29 on the ejector plate 19 can also push the injection mold plate 13 to separate from the supporting plate 14;

after the injection mold plate 13 is separated from the supporting plate 14, because the pattern insert 7 and the injection mold plate 13 slide relatively at the moment, the blowing holes 11 on the surface of the pattern insert 7 correspond to the air guide grooves 12 in the injection mold plate 13, so that external high-pressure air can enter the inner cavities of a plurality of pattern inserts 7 at the same time;

the ejector plate 19 is pushed continuously, the ejector plate 19 ejects the A plate 16 to separate from the injection mold plate 13 through the action of the ejector pin piece 10, at the moment, the workpiece in the inner cavity of the product groove 3 is separated from the product groove 3, the workpiece is adhered to the end face of the pattern insert 7 due to the fact that the contact area between the workpiece and the end face of the pattern insert 7 is large, high-pressure gas blown out of the inner cavity of the pattern insert 7 can blow the workpiece, and therefore the workpiece can be blown off from the position between the injection mold plate 13 and the A plate 16.

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

Claims

1. The utility model provides a gaseous ejecting mould which characterized in that: the mold comprises:

the surface of the front die (4) is provided with a product groove (3), and the inner cavity of the product groove (3) is provided with a workpiece matched with the product groove;

the injection molding die comprises an injection molding die plate (13), wherein a rear die core (6) is fixedly connected to the injection molding die plate (13), an air guide groove (12) is formed in the rear die core (6), the air guide groove (12) is communicated with an external high-pressure air pipe, a pattern insert (7) which is right corresponding to a product groove (3) is movably arranged in the rear die core (6), an air blowing hole (11) communicated with an inner cavity of the pattern insert (7) is formed in the surface of the pattern insert (7), and the lower end of the pattern insert (7) movably penetrates through the injection molding die plate (13) and is installed on a pattern insert fixing plate (18);

the pattern insert fixing plate (18) is fixedly arranged on the supporting plate (14), and the supporting plate (14) is attached to the injection mold plate (13).

2. A gas ejection die as in claim 1, wherein: the product grooves (3) and the pattern inserts (7) are arranged in a plurality of numbers, and the product grooves (3) are distributed in a rectangular array in the horizontal direction.

3. A gas ejection die as in claim 2, wherein: the injection mold plate (13) is provided with a limiting nail (5) in a sliding mode, and the lower end of the limiting nail (5) penetrates through the injection mold plate (13) and is fixed with the supporting plate (14).

4. A gas ejection die as in claim 3, wherein: an ejector pin plate (19) is arranged below the supporting plate (14), an ejector pin piece (10) is fixedly connected to the ejector pin plate (19), and the upper end of the ejector pin piece (10) sequentially and movably penetrates through the supporting plate (14), the pattern insert fixing plate (18), the injection mold plate (13) and the rear mold core (6) and is abutted to the surface of the front mold (4).

5. A gas ejection die as in claim 4, wherein: the front mold (4) is arranged on the plate A (16), and the plate A (16) is attached to the injection mold plate (13).

6. A gas ejection die as in claim 5, wherein: the ejector pin plate (19) is movably connected with a pin plate guide post (17) in a penetrating way, and the upper end of the pin plate guide post (17) is fixed with the supporting plate (14).

7. A gas ejection die as in claim 6, wherein: the supporting plate (14), the injection mold plate (13) and the A plate (16) are connected in a sliding mode through a guide pillar (21), and a guide sleeve (22) is arranged on the outer side of the guide pillar (21).

8. A gas ejection die as in claim 7, wherein: the surface fixed connection of ejector plate (19) has ejector pad (23), and the inboard laminating of ejector pad (23) has hasp (24), and hasp (24) is fixed on layer board (14), and the one end of ejector pad (23) is provided with slider (25), and slider (25) are inlayed in the surface of injection mold board (13) in the slip.

9. A gas ejection die as in claim 8, wherein: the sliding block (25) is provided with a contour screw (26), the contour screw (26) is fixed with the injection mold plate (13), and the contour screw (26) is arranged between the sliding block (25) and the injection mold plate (13).

10. A gas ejection die as in claim 9, wherein: a return needle (29) is fixed on the ejector plate (19), the upper end of the return needle (29) movably penetrates through the supporting plate (14) and is fixed with the injection mold plate (13), and a return spring (30) is sleeved on the outer side of the return needle (29).