CN213797750U

CN213797750U - PMMA material and nickel sheet injection molding die

Info

Publication number: CN213797750U
Application number: CN202022813457.8U
Authority: CN
Inventors: 危锋
Original assignee: Guangdong Miwa Technology Co ltd
Current assignee: Guangdong Miwa Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-27
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a PMMA material and nickel piece injection moulding mould, including last module and lower module, go up module and the open-close type connection of lower module, be provided with shaping mould benevolence in the die holder, be provided with the shaping chamber that a plurality of is used for the nickel piece of moulding plastics in the shaping mould benevolence, its week is provided with the chamber of placing that is used for placing the PMMA material, all be provided with the discharge gate on each shaping chamber, be provided with in the upper die holder with shaping mould benevolence matched with last mold core, on take off and be provided with the feed inlet on the board, on take off the board, be provided with the feeding runner between upper padding plate and the upper die holder, the one end and the feed inlet of feeding runner are linked together, the other end is linked together with the discharge gate, be provided with the liftout subassembly between the square bar, the liftout subassembly upwards extends and runs through the die holder and the shaping mould benevolence and contacts with the product of accomplishing of moulding plastics, the product upward movement separation that the completion of matching promotes moulding plastics is taken off. The utility model adopts a little glue feeding to prevent the nickel sheet from falling off.

Description

PMMA material and nickel sheet injection molding die

Technical Field

The utility model relates to an injection mold field, in particular to PMMA material and nickel piece injection moulding mould.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold generally includes an upper mold, a lower mold, an upper mold core disposed on the upper mold, a lower mold core disposed on the lower mold core, and a matched mold closing/releasing operation between the upper mold core and the lower mold core is performed to complete the injection molding.

In the existing mold, no binding force exists between the PMMA material and the nickel plate, the mold space is small, no exhaust position exists, the inner surface of a product is easy to generate foaming, the PMMA material is easy to separate from the nickel plate, and the liquid is easy to enter the nickel plate during surface spraying.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a PMMA material and nickel piece injection moulding mould to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: a PMMA material and nickel sheet injection molding mold comprises an upper mold set and a lower mold set, wherein the upper mold set and the lower mold set are connected in an opening and closing mode, the upper mold set comprises an upper mold base, an upper padding plate and an upper stripper plate which are sequentially arranged from bottom to top, the lower mold set comprises a lower mold base, square iron and a base which are sequentially arranged from top to bottom, a molding mold core is arranged in the lower mold base, a plurality of molding cavities for injecting nickel sheets are arranged in the molding mold core, a placing cavity for placing PMMA materials is arranged around the molding cavities, a discharge hole is arranged on each molding cavity, an upper mold core matched with the molding mold core is arranged in the upper mold base, a feed inlet is arranged on the upper stripper plate, a feed flow passage is arranged between the upper stripper plate, the upper padding plate and the upper mold base, one end of the feed flow passage is communicated with the feed inlet, and the other end of the feed flow passage is communicated with the discharge hole, and an ejection component is arranged between the square irons, extends upwards to penetrate through the lower die holder and the molding die core to contact with a product which is subjected to injection molding, and pushes the product which is subjected to injection molding to move upwards to separate and strip the material.

As a further elaboration of the above technical solution:

in the technical scheme, the liftout subassembly includes bottom plate, roof and at least one ejector pin, bottom plate and roof setting are in between the square iron and set gradually from bottom to top, the ejector pin is installed on the roof and upwards extend and run through the die holder with the shaping mould benevolence contacts with the product of accomplishing of moulding plastics, and the material is taken off in the separation of the product upward movement that the matching promoted the completion of moulding plastics.

In the above technical solution, the ejection assembly further includes a first guide post, and the first guide post is installed on the bottom plate and extends upward through the top plate and the lower die holder.

In the above technical solution, the die further includes a second guide post, the second guide post is mounted on the upper stripper plate and extends downward through the upper stripper plate, the upper padding plate, the upper die holder, the lower die holder and the square iron.

In the technical scheme, the square iron is fixedly connected with the base through bolts, the lower die base is fixedly connected with the square iron through bolts, and the upper backing plate is fixedly connected with the upper die base and the upper stripper plate through bolts; the upper mold core and the molding mold core are respectively fixedly connected with the upper mold base and the lower mold base through bolts.

The utility model also provides a nickel piece, the nickel piece adopts above-mentioned technical scheme a PMMA material and nickel piece injection mold injection moulding.

In the technical scheme, a plurality of bosses are arranged on the upper surface of the nickel sheet.

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

1. the utility model discloses in all be provided with the discharge gate on each shaping chamber, be provided with in the upper die base with shaping mould benevolence matched with go up the mold core, go up to take off and be provided with the feed inlet on the board, go up to take off and be provided with the feeding runner between board, upper padding plate and the upper die base, the one end and the feed inlet of feeding runner are linked together, and the other end is linked together with the discharge gate, adopts a bit to advance to glue, prevents that the nickel piece from droing.

2. The utility model discloses well nickel piece upper surface is provided with a plurality of boss, and liquid gets into the nickel piece surface when preventing the spraying.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic view of the exploded structure of the middle and lower mold bases and the molding die core of the present invention;

fig. 4 is a schematic structural diagram of a nickel sheet in the present invention.

In the figure: 1. an upper module; 2. a lower module; 3. an upper die holder; 4. an upper base plate; 5. an upper stripping plate; 6. a lower die holder; 7. square iron; 8. a base; 9. molding a mold core; 10. a molding cavity; 11. a placement chamber; 12. a discharge port; 13. an upper mold core; 14. a feed inlet; 15. a feed runner; 16. a material ejecting component; 17. a base plate; 18. a top plate; 19. a top rod; 20. a first guide post; 21. a second guide post; 100. a nickel sheet; 110. and (4) a boss.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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 above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Example one

As shown in fig. 1-3, a PMMA material and nickel sheet injection molding mold comprises an upper mold set 1 and a lower mold set 2, the upper mold set 1 and the lower mold set 2 are connected in an opening and closing manner, the upper mold set 1 comprises an upper mold base 3, an upper padding plate 4 and an upper stripper plate 5 which are sequentially arranged from bottom to top, the lower mold set 2 comprises a lower mold base 6, square iron 7 and a base 8 which are sequentially arranged from top to bottom, a molding mold core 9 is arranged in the lower mold base 6, a plurality of molding cavities 10 for injecting nickel sheets 100 are arranged in the molding mold core 9, a plurality of placing cavities 11 for placing PMMA material are arranged around the molding cavities 10, a discharge port 12 is arranged on each molding cavity 10, an upper mold core 13 matched with the molding mold core 9 is arranged in the upper mold base 3, a feed port 14 is arranged on the upper stripper plate 5, a feed runner 15 is arranged between the upper padding plate 4 and the upper mold base 3, one end of the feeding runner 15 is communicated with the feeding hole 14, the other end of the feeding runner is communicated with the discharging hole 12, an ejection component 16 is arranged between the square irons 7, the ejection component 16 extends upwards to penetrate through the lower die base 6 and the forming die core 9 to be contacted with an injection-molded product, and the injection-molded product is pushed to move upwards in a matching mode to separate and strip the injection-molded product. Wherein, the external injection molding machine adopts a small screw rod to push and process.

In this embodiment, the material ejecting assembly 16 includes a bottom plate 17, a top plate 18 and at least one ejector rod 19, the bottom plate 17 and the top plate 18 are disposed between the square irons 7 and are sequentially disposed from bottom to top, the ejector rod 19 is disposed on the top plate 18 and extends upwards to penetrate through the lower die holder 6 and the molding die core 9 to contact with a product completed by injection molding, and the product completed by injection molding is pushed to move upwards to separate and strip the material.

The material ejecting assembly 16 further comprises a first guide post 20, wherein the first guide post 20 is installed on the bottom plate 17 and extends upwards to extend through the top plate 18 and the lower die holder 6, so as to guide the up-and-down movement of the top rod 19 and ensure the stable material ejection of the product.

Specifically, the die-casting machine further comprises a second guide post 21, wherein the second guide post 21 is mounted on the upper stripper plate 5 and extends downwards through the upper stripper plate 5, the upper backing plate 4, the upper die base 3, the lower die base 6 and the square iron 7 to guide the open-close die of the upper die set 1.

The utility model discloses in all be provided with discharge gate 12 on each shaping chamber 10, be provided with in the upper die base 3 with shaping mould benevolence 9 matched with go up the mould core 13, upward take off and be provided with feed inlet 14 on the board 5, upward take off and be provided with feed runner 15 between board 5, upper padding plate 4 and the upper die base 3, feed runner 15's one end is linked together with feed inlet 14, and the other end is linked together with discharge gate 12, adopts a bit to advance to glue, prevents that nickel piece 100 from droing.

The upper die base is fixedly connected with the upper die base through bolts, the lower die base is fixedly connected with the square iron through bolts, and the upper backing plate is fixedly connected with the upper die base through bolts; the upper mold core and the molding mold core are respectively fixedly connected with the upper mold base and the lower mold base through bolts.

Example two

As shown in fig. 4, a nickel plate 100, the nickel plate 100 is formed by injection molding using the PMMA material and the nickel plate injection mold according to the above technical solution. Wherein, the upper surface of the nickel sheet 100 is provided with a plurality of bosses 110, which prevent liquid from entering the surface of the nickel sheet 100 during spraying.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A PMMA material and nickel sheet injection molding mold is characterized by comprising an upper mold set and a lower mold set, wherein the upper mold set and the lower mold set are connected in an opening and closing manner, the upper mold set comprises an upper mold base, an upper padding plate and an upper stripping plate which are sequentially arranged from bottom to top, the lower mold set comprises a lower mold base, square iron and a base which are sequentially arranged from top to bottom, a molding mold core is arranged in the lower mold base, a plurality of molding cavities for injection molding of nickel sheets are arranged in the molding mold core, a placing cavity for placing PMMA materials is arranged around the molding cavities, each molding cavity is provided with a discharge hole, an upper mold core matched with the molding mold core is arranged in the upper mold base, a feed port is arranged on the upper stripping plate, a feed flow passage is arranged between the upper stripping plate, the upper padding plate and the upper mold base, one end of the feed flow passage is communicated with the feed port, and the other end of the feed flow passage is communicated with the discharge hole, and an ejection component is arranged between the square irons, extends upwards to penetrate through the lower die holder and the molding die core to contact with a product which is subjected to injection molding, and pushes the product which is subjected to injection molding to move upwards to separate and strip the material.

2. The PMMA material and nickel sheet injection molding mold of claim 1, wherein the liftout subassembly comprises a bottom plate, a top plate and at least one ejector rod, the bottom plate and the top plate are arranged between the square irons and are sequentially arranged from bottom to top, the ejector rod is arranged on the top plate and extends upwards to penetrate through the lower die holder and the molding die core to be in contact with an injection molded product, and the injection molded product is pushed to move upwards to separate and strip the injection molded product.

3. The PMMA and nickel plate injection mold of claim 2, wherein the ejector assembly further comprises a first guide post mounted on the bottom plate and extending upward through the top plate and the lower die holder.

4. The PMMA and nickel plate injection mold of claim 1, further comprising a second guide post, wherein the second guide post is mounted on the upper stripper plate and extends downwards through the upper stripper plate, the upper backing plate, the upper die holder, the lower die holder and the square iron.

5. The PMMA material and nickel sheet injection molding mold of claim 1, wherein the square iron is fixedly connected with the base through bolts, the lower die holder is fixedly connected with the square iron through bolts, and the upper backing plate is fixedly connected with the upper die holder and the upper stripper plate through bolts; the upper mold core and the molding mold core are respectively fixedly connected with the upper mold base and the lower mold base through bolts.