CN219600292U

CN219600292U - Injection mold for molding shell

Info

Publication number: CN219600292U
Application number: CN202320458141.2U
Authority: CN
Inventors: 谢园; 陈盼娣
Original assignee: Yancheng Chuangxinda Mould Co ltd
Current assignee: Yancheng Chuangxinda Mould Co ltd
Priority date: 2023-03-12
Filing date: 2023-03-12
Publication date: 2023-08-29
Anticipated expiration: 2033-03-12

Abstract

The utility model provides an injection mold for molding a shell, which comprises a base, wherein a lower template is arranged at the top of the base, an upper template is arranged at the top of the lower template, a movable plate is arranged at the upper end of an inner cavity of the base, a reset spring is fixedly connected to the bottom of the inner cavity of the base, the top of the reset spring is fixedly connected with the movable plate, and a push rod is fixedly connected to the top of the movable plate; according to the utility model, the movable plate, the reset spring, the push rod, the push plate and the pressing rod are arranged, so that the effect of conveniently taking out the molded shell is achieved, the reset elastic force of the reset spring pushes the movable plate to move upwards, and the push rod is pushed to move upwards when the movable plate moves upwards, so that the molded shell can be pushed out, the shell can be effectively prevented from being clamped in the inner cavity of the second die cavity, the ejector pin can be prevented from wearing the shell by the push plate, and further the processing quality of a product can be effectively improved.

Description

Injection mold for molding shell

Technical Field

The utility model belongs to the field of injection molds, in particular to an injection mold for molding a shell, which can conveniently take out a molded shell, so that the wear of a thimble on the shell can be effectively prevented, and the processing quality of a product is effectively improved.

Background

The shells of products such as batteries, mobile phones and the like are mostly manufactured through injection molds, the injection molds are tools for producing plastic products, plastics are added into the molds after being melted, the plastics in the molds are gradually and evenly coated and adhered on the whole surface of the mold cavities under the action of gravity and heat energy, the molds are formed into required shapes, and the shells are formed after cooling and solidifying;

according to the Chinese patent application number: 201721152938.0 the utility model discloses a battery casing injection mold, including last mould and lower mould, be equipped with the die cavity that is used for shaping battery casing between last mould and the lower mould, be provided with the mouth of moulding plastics that is used for moulding plastics to the die cavity in, be provided with a plurality of core pieces that are used for shaping electric core groove on the lower mould, the lower mould includes the base, set up first mounting groove on the base, the one end that the lower core piece kept away from last mould inserts in the first mounting groove, still be equipped with the locking groove on the base, the locking groove is embedded to be equipped with and offset with lower core piece lateral wall and then compress tightly the latch segment of lower core piece in first mounting groove, the lateral wall that the latch segment kept away from lower core piece is the slope setting, its technical scheme main points are that the latch segment cooperates accurately with the locking groove for the core piece can be compressed tightly on the lower mould;

the core block of the injection mold is easy to extrude to two sides by molten plastics, so that the processing quality is affected, and the mold has the advantages that the core block of the injection mold is difficult to extrude to two sides by molten plastics, and the processing quality of a product can be guaranteed to a certain extent.

In summary, the present utility model provides an injection mold for molding a housing to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an injection mold for molding a shell, which solves the problems that in the prior art, a shell after cooling and solidification is easy to clamp in a mold cavity, so that the shell is inconvenient to take out, and although a part of the existing mold can take out the molded shell through a thimble, the shell after molding is not completely solidified, and the thimble is easy to wear the surface of the shell in the pushing process, so that the processing quality of a product is affected.

The utility model provides a fashioned injection mold of casing, includes the base, the top of base is provided with the lower bolster, the top of lower bolster is provided with the cope match-plate pattern, the upper end of base inner chamber is provided with the fly leaf, the bottom fixedly connected with reset spring of base inner chamber, reset spring's top and fly leaf fixed connection, the top fixedly connected with push rod of fly leaf, the one end fixedly connected with push pedal of fly leaf is kept away from to the push rod, the equal fixedly connected with depression bar in both sides of cope match-plate pattern bottom, the one end that the cope match-plate pattern was kept away from to the depression bar runs through the lower bolster and extends to the inner chamber of base and contacts with the top of fly leaf.

Preferably, the top of the lower template is provided with a first mold cavity, and the bottom of the upper template is provided with a second mold cavity.

Preferably, the periphery of the bottom of the upper template is provided with first limiting holes, and the periphery of the top of the lower template is fixedly connected with first limiting rods.

Preferably, the second limiting holes are formed in the periphery of the bottom of the lower template, and the second limiting rods are fixedly connected to the periphery of the top of the base.

Preferably, one end of the first limiting rod far away from the lower die plate extends to the inner cavity of the first limiting hole and is movably connected with the inner cavity of the first limiting hole, and one end of the second limiting rod far away from the base extends to the inner cavity of the second limiting hole and is movably connected with the inner cavity of the second limiting hole.

Preferably, limit grooves are formed in two sides of the front surface and the back surface of the inner cavity of the base, and limit blocks are fixedly connected to two ends of the front surface and the back surface of the movable plate.

Preferably, one end of the limiting block, which is far away from the movable plate, extends to the inner cavity of the limiting groove and is in sliding connection with the inner cavity of the limiting groove, and the push plate is located in the inner cavity of the first die cavity and is movably connected with the inner cavity of the first die cavity.

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

1. according to the utility model, the movable plate, the reset spring, the push rod, the push plate and the pressing rod are arranged, so that the effect of conveniently taking out the molded shell is achieved, the reset elastic force of the reset spring pushes the movable plate to move upwards, and the push rod is pushed to move upwards when the movable plate moves upwards, so that the molded shell can be pushed out, the shell can be effectively prevented from being clamped in the inner cavity of the second die cavity, the ejector pin can be prevented from wearing the shell by the push plate, and further the processing quality of a product can be effectively improved.

2. The utility model has the advantages that the base, the lower template and the upper template are arranged, so that the effect of fixing the shell model can be achieved, and the effect of insulating the injection molded plastic can be achieved.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic cross-sectional side view of the base, lower die plate and upper die plate of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

fig. 4 is a schematic view showing a bottom cross-sectional structure of the upper die plate of the present utility model.

In the figure:

1. a base; 2. a lower template; 3. an upper template; 4. a movable plate; 5. a return spring; 6. a push rod; 7. a push plate; 8. pressing down a rod; 9. a first mold cavity; 10. a second mold cavity; 11. a first limiting hole; 12. a first stop lever; 13. a second limiting hole; 14. a second limit rod; 15. a limit groove; 16. and a limiting block.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides an injection mold for molding a shell, which comprises a base 1, wherein a lower template 2 is arranged at the top of the base 1, an upper template 3 is arranged at the top of the lower template 2, a movable plate 4 is arranged at the upper end of an inner cavity of the base 1, a return spring 5 is fixedly connected to the bottom of the inner cavity of the base 1, the top of the return spring 5 is fixedly connected with the movable plate 4, a push rod 6 is fixedly connected to the top of the movable plate 4, one end of the push rod 6 away from the movable plate 4 is fixedly connected with a push plate 7, two sides of the bottom of the upper template 3 are fixedly connected with a pressing rod 8, and one end of the pressing rod 8 away from the upper template 3 penetrates through the lower template 2 and extends to the inner cavity of the base 1 and contacts with the top of the movable plate 4.

As an embodiment of the present utility model, a first mold cavity 9 is formed at the top of the lower mold plate 2, a second mold cavity 10 is formed at the bottom of the upper mold plate 3, and the first mold cavity 9 and the second mold cavity 10 are provided to place a housing-shaped module for injection molding.

As an implementation mode of the utility model, the periphery of the bottom of the upper template 3 is provided with the first limiting holes 11, the periphery of the top of the lower template 2 is fixedly connected with the first limiting rods 12, and the effect of limiting the upper template 3 is achieved by arranging the first limiting holes 11 and the first limiting rods 12, so that the occurrence of unqualified injection molding caused by dislocation of the lower template 2 and the upper template 3 during injection molding can be effectively prevented.

As an implementation mode of the utility model, the periphery of the bottom of the lower template 2 is provided with the second limiting holes 13, the periphery of the top of the base 1 is fixedly connected with the second limiting rods 14, and the effect of limiting the lower template 2 is achieved by arranging the second limiting holes 13 and the second limiting rods 14, so that the base 1 and the lower template 2 can be prevented from being in error.

As an embodiment of the present utility model, one end of the first limiting rod 12 far from the lower die plate 2 extends to the inner cavity of the first limiting hole 11 and is movably connected with the inner cavity of the first limiting hole 11, and one end of the second limiting rod 14 far from the base 1 extends to the inner cavity of the second limiting hole 13 and is movably connected with the inner cavity of the second limiting hole 13.

As an implementation mode of the utility model, both sides of the front and the back of the inner cavity of the base 1 are respectively provided with the limit groove 15, both ends of the front and the back of the movable plate 4 are fixedly connected with the limit blocks 16, and the limit grooves 15 and the limit blocks 16 have the effect of limiting the movement track of the movable plate 4, so that the movable plate 4 can be effectively prevented from shifting in position during movement.

As an embodiment of the present utility model, the end of the limiting block 16 far away from the movable plate 4 extends to the inner cavity of the limiting groove 15 and is slidably connected with the inner cavity of the limiting groove 15, and the push plate 7 is located in the inner cavity of the first mold cavity 9 and is movably connected with the inner cavity of the first mold cavity 9.

The specific working principle is as follows:

firstly, install the plastic module in the inner chamber of second mould cavity 10, then cover up the cope match-plate pattern 3 at the top of lower bolster 2, make first gag lever post 12 extend to the inner chamber of first spacing hole 11 completely, lower depression bar 8 runs through lower bolster 2 and extends to the inner chamber of base 1 and promote fly leaf 4 downward movement, make reset spring 5 atress take place deformation when fly leaf 4 downward movement, then inject the plastics after the hot melt to the inner chamber of first mould cavity 9 and second mould cavity 10 through the injection molding mouth at cope match-plate pattern 3 top, take out cope match-plate pattern 3 from the top of lower bolster 2 after the cooling solidification, the reset elasticity promotion fly leaf 4 upward movement of reset spring 5 when this moment, push rod 6 upward movement promotes push pedal 7 upward movement, thereby can promote the shell that the shaping is accomplished, can effectually prevent the shell card in the inner chamber of second mould cavity 10, moreover, can also prevent the ejector pin shell from causing wearing and tearing, and further can effectually improve the processingquality of product, thereby the shell can not receive the problem of the complete shell processing after the cooling down mould can be taken out at the mould because the shell card is in the mould cavity is cooled down, but the shell can not be taken out at the present completely because the mould is not influenced by the mould quality is taken out to the mould shell after the shaping has been solidified.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. Injection mold for molding a shell, comprising a base (1), and being characterized in that: the top of base (1) is provided with lower bolster (2), the top of lower bolster (2) is provided with cope match-plate pattern (3), the upper end of base (1) inner chamber is provided with fly leaf (4), the bottom fixedly connected with reset spring (5) of base (1) inner chamber, the top and the fly leaf (4) fixedly connected with push rod (6) of fly leaf (4), the one end fixedly connected with push pedal (7) of fly leaf (4) are kept away from to push rod (6), the equal fixedly connected with depression bar (8) in both sides of cope match-plate pattern (3) bottom, the one end that cope match-plate pattern (3) was kept away from to depression bar (8) runs through lower bolster (2) and extends to the inner chamber of base (1) and contacts with the top of fly leaf (4).

2. An injection mold for molding a housing as defined in claim 1, wherein: the top of lower bolster (2) has seted up first mould cavity (9), second mould cavity (10) have been seted up to the bottom of cope match-plate pattern (3).

3. An injection mold for molding a housing as defined in claim 1, wherein: first limiting holes (11) are formed in the periphery of the bottom of the upper die plate (3), and first limiting rods (12) are fixedly connected to the periphery of the top of the lower die plate (2).

4. An injection mold for molding a housing as claimed in claim 3, wherein: second limiting holes (13) are formed in the periphery of the bottom of the lower die plate (2), and second limiting rods (14) are fixedly connected to the periphery of the top of the base (1).

5. An injection mold for molding a housing as defined in claim 4, wherein: one end of the first limiting rod (12) far away from the lower die plate (2) extends to the inner cavity of the first limiting hole (11) and is movably connected with the inner cavity of the first limiting hole (11), and one end of the second limiting rod (14) far away from the base (1) extends to the inner cavity of the second limiting hole (13) and is movably connected with the inner cavity of the second limiting hole (13).

6. An injection mold for molding a housing as defined in claim 2, wherein: limiting grooves (15) are formed in two sides of the front surface and the back surface of the inner cavity of the base (1), and limiting blocks (16) are fixedly connected to two ends of the front surface and the back surface of the movable plate (4).

7. An injection mold for molding a housing as defined in claim 6, wherein: one end of the limiting block (16) far away from the movable plate (4) extends to the inner cavity of the limiting groove (15) and is in sliding connection with the inner cavity of the limiting groove (15), and the push plate (7) is located in the inner cavity of the first die cavity (9) and is movably connected with the inner cavity of the first die cavity (9).