CN214188191U

CN214188191U - Injection mold

Info

Publication number: CN214188191U
Application number: CN202022788753.7U
Authority: CN
Inventors: 陈锦松; 黄钰晶; 邱美贵
Original assignee: Ten Tech Composite Technology Corp
Current assignee: Ten Tech Composite Technology Corp
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-14
Anticipated expiration: 2030-11-26

Abstract

The utility model belongs to the technical field of the mould frock, an injection mold is disclosed, this injection mold includes mould and lower mould, it can dismantle the laminating with the lower mould and be connected to go up the mould, it has seted up the die cavity to go up the mould, the die cavity has been seted up down to the lower mould, it forms accommodation space with lower die cavity to go up the die cavity, accommodation space includes sealing and the portion of moulding plastics, the mold core has been held in the accommodation space, the mold core includes first portion and second portion, first portion hold in the sealing and closely laminate with the inner wall of sealing, the second portion hold in the portion of moulding plastics and set up the space of moulding plastics with the inner wall interval of the portion of moulding plastics, the space of moulding plastics is used for holding the product. The utility model discloses an injection mold is when pouring into the material into the space of moulding plastics, and the inner wall of first portion and sealing closely laminates, can avoid the material to leak to the external world from the sealing.

Description

Injection mold

Technical Field

The utility model relates to a mould frock technical field especially relates to an injection mold.

Background

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

When the existing mold is used for injection molding of a PU mandrel (polyurethane material), a pressure head is arranged on a lower mold, PU material in a fluid state is respectively injected into a cavity of an upper mold and a cavity of a lower mold, the upper mold and the lower mold are locked together through the pressure head, the upper mold and the lower mold are vertically placed after locking, and exhaust is facilitated. The existing die can be used for rapidly closing or separating the die, but the produced PU core shaft has poor quality and poor appearance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the injection mold is provided, and the injection molding quality of products is improved.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an injection mold, includes mould and lower mould, go up the mould with the laminating connection can be dismantled to the lower mould, it has seted up the die cavity to go up the mould, the die cavity has been seted up down to the lower mould, go up the die cavity with the die cavity forms accommodation space down, accommodation space includes sealing and the portion of moulding plastics, it has the mold core to hold in the accommodation space, the mold core includes first portion and second portion, first portion hold in the sealing and with the inner wall of sealing closely laminates, the second portion hold in the portion of moulding plastics and with the inner wall interval of the portion of moulding plastics sets up the space of moulding plastics, the space of moulding plastics is used for holding the product.

As an optional technical solution, the injection molding device further includes a cover body, the cover body is disposed on the injection molding portion, and the cover body limits the product in the injection molding space.

As an optional technical scheme, a first exhaust hole is formed in the cover body and communicated with the injection molding space and the outside.

As an optional technical solution, a first limiting member is disposed on the bottom wall of the lower cavity, the first limiting member is located in the sealing portion, a first limiting groove is formed in the first portion, and the first limiting member is accommodated in the first limiting groove.

As an optional technical scheme, a first exhaust groove is formed in one side of the first portion, and the first exhaust groove is communicated with the injection molding space and the outside.

As an alternative solution, the outer wall of the second portion is provided with a flange, and the flange can abut against the inner wall of the injection molding portion.

As an optional technical solution, one of the upper die and the lower die is provided with a protrusion, and the other is provided with a groove, and the protrusion is accommodated in the groove.

As an optional technical scheme, injection mold still includes first sled mould and second sled mould, first sled mould set up in go up the mould, the second sled mould set up in the lower mould, first sled mould with the second sled mould corresponds the setting, first sled mould with form the sled space between the second sled mould.

As an alternative solution, the end face of the first portion is provided with a threaded hole for receiving an external insert for levering the mould core.

As an optional technical solution, a slider is further disposed in the accommodating space, the slider is located on one side outside the injection molding space, and the slider can limit the product.

The beneficial effects of the utility model reside in that:

the utility model provides an injection mold, which comprises an upper die, lower mould and mold core, the one side that will go up the mould and set up the die cavity is connected with the one side laminating that the die cavity was seted up down to the one side that will go up the mould cavity, it forms accommodation space with lower die cavity to go up the die cavity, set up the mold core in accommodation space, accommodation space includes sealing and the portion of moulding plastics, the mold core includes first portion and second portion, the second portion holds in the portion of moulding plastics and sets up the space of moulding plastics with the inner wall interval of the portion of moulding plastics, in the space of moulding plastics with the material, the material cladding is in the periphery of second portion and forms the product, first portion holds in the sealing and closely laminates with the inner wall of sealing, can avoid the material to leak to the external world from the sealing, improve the product quality of moulding plastics.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples;

FIG. 1 is an exploded view of a first perspective of an injection mold according to a first embodiment;

FIG. 2 is a schematic structural diagram of an injection mold (upper mold not shown) according to the first embodiment from a second perspective;

FIG. 3 is an enlarged view of a portion of the portion A shown in FIG. 2;

FIG. 4 is a schematic structural view of a lower mold according to the first embodiment;

FIG. 5 is a schematic structural view of an upper mold according to the first embodiment;

FIG. 6 is a schematic structural view of a mold core according to the first embodiment;

fig. 7 is a schematic structural diagram of the cover according to the first embodiment.

FIG. 8 is an exploded view of an injection mold according to another embodiment;

FIG. 9 is an exploded view of another injection mold according to another embodiment;

fig. 10 is an exploded view of another injection mold according to another embodiment.

In fig. 1 to 10:

100. producing a product;

1. an upper die; 11. an upper cavity; 12. a groove;

2. a lower die; 21. a lower cavity; 22. a first limit piece; 23. a protrusion;

3. a mold core; 31. a first part; 311. a first limit groove; 312. a first exhaust groove; 313. a threaded hole; 32. a second section; 321. a flange;

4. a cover body; 41. a first exhaust port;

5. a first prying die;

6. a second prying die;

7. a slider;

8. a tooth socket.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, this embodiment provides an injection mold, this injection mold includes last mould 1 and lower mould 2, it is connected with the laminating can be dismantled to go up mould 1, go up mould 1 and seted up die cavity 11, lower mould 2 has seted up lower die cavity 21, it forms accommodation space with lower die cavity 21 to go up die cavity 11, accommodation space includes sealing and the portion of moulding plastics, mold core 3 has been held in the accommodation space, mold core 3 includes first portion 31 and second portion 32, first portion 31 holds in sealing and closely laminates with the inner wall of sealing, second portion 32 holds in the portion of moulding plastics and forms the space of moulding plastics with the inner wall interval setting of the portion of moulding plastics, mould plastics the material to the space of moulding plastics, the material cladding is in the periphery of second portion 32 and forms product 100, first portion 31 closely laminates with the inner wall of sealing, can avoid the material to leak from density portion to the external world, improve product 100 and mould plastics the quality. In this embodiment, the injection mold can be applied to the injection molding of the PU mandrel, and after the PU material is injected into the injection molding space, the injection mold is heated to accelerate the curing molding of the PU material, thereby completing the injection molding process of the product 100. Preferably, the mold core 3 is made of aluminum alloy material. In other embodiments, the injection mold shown in fig. 8, fig. 9, or fig. 10 may be adapted to products 100 of different shapes as well, as shown in fig. 8, fig. 9, and fig. 10.

In this embodiment, the bottom wall of the lower cavity 21 is provided with the first limiting member 22, the first limiting member 22 is located in the sealing portion, the first portion 31 is provided with the first limiting groove 311, the first limiting member 22 is accommodated in the first limiting groove 311, and the first limiting member 22 can prevent the mold core 3 from moving in the lower cavity 21, so that the PU material can be cured and molded at the preset position, and the quality of the product 100 is ensured.

In this embodiment, injection mold still includes first prying mould 5 and second prying mould 6, first prying mould 5 sets up in last mould 1, second prying mould 6 sets up in lower mould 2, first prying mould 5 corresponds the setting with second prying mould 6, form the prying space between first prying mould 5 and the second prying mould 6, outside prying piece inserts the prying space in the prying space and prizes, can be with going up mould 1 and lower mould 2 separation, first prying mould 5 and second prying mould 6 regard as the consumer, convenient the change, can avoid outside prying piece and last mould 1 and lower mould 2 direct contact, reduce the loss of going up mould 1 and lower mould 2, guarantee to go up the life of mould 1 and lower mould 2.

In this embodiment, still be provided with slider 7 in the accommodation space, slider 7 is located the outside one side of space of moulding plastics, and slider 7 can inject product 100, and in PU material curing process, slider 7 can avoid product 100 skew preset position, when needs take out product 100 from die cavity 21 down, takes slider 7 away, reduces the restriction to product 100, makes things convenient for product 100 to take out.

In this embodiment, lower mould 2 still is provided with the through-hole respectively with last mould 1, has received tooth cover 8 in the through-hole, adopts the bolt to run through the through-hole and is connected with tooth cover 8, and the bolt can guarantee to go up

mould

1 and 2 laminating locks of lower mould, avoids PU material foaming's pressure to prop up mould 1 and lower mould 2 and open and lead to product 100 to scrap.

As shown in fig. 3, in this embodiment, a first exhaust groove 312 is formed on one side of the first portion 31, and the first exhaust groove 312 communicates the injection molding space with the outside, so as to ensure that the gas generated during the foaming and curing process of the PU material is discharged in time.

In this embodiment, the end surface of the first portion 31 is provided with a threaded hole 313, the threaded hole 313 is used for accommodating an external insert for prying the mold core 3, the external insert can be a screw rod, and the screw rod extends into the threaded hole 313 to facilitate the separation of the product 100 from the lower mold cavity 21.

As shown in fig. 4 and 5, preferably, the lower die 2 is provided with a protrusion 23, the upper die 1 is provided with a groove 12, and the protrusion 23 is accommodated in the groove 12, so that the upper die 1 and the lower die 2 can be conveniently positioned and butted. In other embodiments, the protrusion is disposed on the upper mold 1 and the groove is disposed on the lower mold 2.

As shown in fig. 6, in this embodiment, the outer wall of the second portion 32 is provided with a flange 321, the flange 321 can abut against the inner wall of the injection molding portion, and the PU material cannot completely coat the second portion 32 at the flange 321, that is, the formed product 100 forms an open slot at the corresponding flange 321, so that the product 100 is conveniently taken down from the second portion 32, and the product 100 does not need to be cut into the open slot.

As shown in fig. 7, in the present embodiment, a cover 4 is further included, the cover 4 is disposed on the injection molding portion, and the cover 4 defines the product 100 in the injection molding space. The cover body 4 is provided with a first exhaust hole 41, the first exhaust hole 41 is communicated with the injection molding space and the outside, and gas generated in the foaming and curing process of the PU material is ensured to be discharged in time.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an injection mold, a serial communication port, including last mould and lower mould, go up the mould with the laminating connection can be dismantled to the lower mould, it has seted up the die cavity to go up the mould, the die cavity has been seted up down to the lower mould, go up the die cavity with the die cavity forms accommodation space down, accommodation space includes the sealing and the portion of moulding plastics, it has the mold core to hold in the accommodation space, the mold core includes first portion and second portion, first portion hold in the sealing and with the inner wall of sealing closely laminates, the second portion hold in the portion of moulding plastics and with the inner wall interval of the portion of moulding plastics sets up the space of moulding plastics, the space of moulding plastics is used for holding the product.

2. An injection mold as claimed in claim 1, further comprising a cover disposed in said injection molding portion, said cover defining said product in said injection molding space.

3. An injection mold as claimed in claim 2, wherein the cover has a first vent hole formed therein, the first vent hole communicating the injection space with the outside.

4. The injection mold according to claim 1, wherein a first limiting member is disposed on a bottom wall of the lower cavity, the first limiting member is located in the sealing portion, a first limiting groove is formed in the first portion, and the first limiting member is received in the first limiting groove.

5. An injection mold as claimed in claim 4, wherein a first exhaust groove is formed at one side of the first portion, and the first exhaust groove communicates the injection space with the outside.

6. An injection mould according to claim 1, characterized in that the outer wall of the second portion is provided with a flange which can abut against the inner wall of the injection part.

7. An injection mold as claimed in claim 1, wherein one of the upper and lower molds is provided with a projection and the other is provided with a recess, the projection being received in the recess.

8. The injection mold according to claim 1, further comprising a first prying mold and a second prying mold, wherein the first prying mold is disposed on the upper mold, the second prying mold is disposed on the lower mold, the first prying mold and the second prying mold are disposed correspondingly, and a prying space is formed between the first prying mold and the second prying mold.

9. An injection mould according to claim 1, wherein the end face of the first portion is provided with a threaded bore for receiving an external insert to pry the core.

10. An injection mould according to claim 1, characterized in that a slide is further arranged in the receiving space, said slide being located on the side outside the injection space, said slide being capable of defining the product.