CN211251133U

CN211251133U - Multi-cavity injection mold for mobile phone connecting shell

Info

Publication number: CN211251133U
Application number: CN201921073770.3U
Authority: CN
Inventors: 卢志豪
Original assignee: Dongguan Shiwei Precision Mould Co ltd
Current assignee: Dongguan Shiwei Precision Mould Co ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-08-14
Anticipated expiration: 2029-07-10

Abstract

The utility model relates to the technical field of injection molds, in particular to a multi-mold cavity injection mold for a mobile phone connecting shell, which comprises a lower template, an upper template is arranged right above the lower template, a lower casting groove is arranged at the top of the lower template, the lower casting groove is of a bilateral symmetry structure, lower mold grooves are symmetrically arranged at the left end and the right end of the lower casting groove at the top of the lower template, a feed inlet is arranged at one side of the lower casting groove at the inner wall of the lower mold groove, the feed inlet extends from the bottom of the lower mold groove to the bottom of the lower casting groove and is communicated with the inside of the lower casting groove, a mold on the lower template is in close contact with the lower mold groove on the lower template to form a relatively closed cavity, a proper amount of raw materials are injected into the mold cavity through the feed inlet, the raw materials flow into the mold cavity through the feed inlet until the mold cavity is filled, and, resulting in uneven filling of the cavity.

Description

Multi-cavity injection mold for mobile phone connecting shell

Technical Field

The utility model relates to an injection mold technical field specifically is a multi-cavity mobile phone connection shell injection mold.

Background

The use of multiple mold cavities for plastic product injection molding is becoming more common, the most important factor to be considered in this kind of mold design is filling balance, in the multiple mold cavity injection molding mold, the runner system is usually designed into an "H" type structure, the runner of the "H" type runner system from the injection nozzle to each mold cavity is completely symmetrical in geometry, so it is also called "geometric balance" or "natural balance" runner system design, of course, the flow filling of the molten resin in the "H" type runner system is balanced, the melt temperature distribution caused by the heat generated by the flow shearing and the asymmetry phenomenon after the runner is branched may cause the filling in the mold cavity to be uneven, and in view of this, we propose a multiple mold cavity handset connecting shell injection mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell injection mold is connected to multimode chamber cell-phone to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multimode chamber cell-phone connection shell injection mold, includes the lower bolster, be equipped with the cope match-plate pattern directly over the lower bolster, the pouring basin has been seted up down at the lower bolster top, just the pouring basin is bilateral symmetry structure down, the lower bolster top is located the position symmetry at both ends about the pouring basin and has seted up down the die cavity, the die cavity inner wall is located one side of pouring basin down and has seted up the feed inlet down, just the feed inlet extends to down the pouring basin bottom and communicates with lower pouring basin inside from the bottom in die cavity down.

The top of the upper template is provided with an upper pouring groove, the upper pouring groove is consistent with the lower pouring groove in structure, the left end and the right end of the upper pouring groove are symmetrically provided with limit grooves, and a support table is arranged at the top of each limit groove.

Preferably, four limiting rods are arranged on the periphery of the top of the lower template in a rectangular mode, and the bottoms of the limiting rods are welded and fixed with the top of the lower template.

Preferably, a pouring pipe is arranged on the other side, located on the upper pouring groove, of the upper template, the pouring pipe extends to the inner wall of the upper pouring groove, and the upper pouring groove and the pouring pipe are of an integrally formed structure.

Preferably, four limiting holes are formed in the periphery of the top of the upper template in a rectangular shape, and the limiting rods are in inserted connection with the limiting holes.

Preferably, the top of the limiting groove is provided with a screw hole, the screw hole extends to the bottom surface of the upper template, the top of the limiting groove is provided with a supporting table, and the bottom of the supporting table is fixedly connected with the limiting groove through a bolt.

Preferably, a template is arranged on the top of the supporting platform, and the template and the supporting platform are of an integrally formed structure.

Preferably, the size of the supporting table is matched with that of the lower die cavity, and the sum of the height of the supporting table and the height of the lower pouring groove and the height of the limiting hole is equal.

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

1. the utility model discloses divide into lower bolster and cope match-plate pattern with injection mold, when using, lower die cavity in close contact with on mould on the lower bolster and the lower bolster constitutes relative inclosed cavity, through pouring gate injection moderate amount raw materials, the raw materials passes through the feed inlet and flows into the die cavity, is filled up to the die cavity, has avoided shearing the fuse-element temperature distribution that the themogenesis leads to and the asymmetric phenomenon after runner bifurcation because of flowing, and the die cavity that causes is filled unevenly.

2. The utility model discloses passing through bolt fixed connection with mould and cope match-plate pattern, the convenience is changed the mould, guarantees that a set of equipment of producer's accessible produces different cell-phone shells, has improved the flexibility of production efficiency and equipment.

Drawings

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

fig. 2 is a bottom view of the upper mold plate of the present invention when the mold is loaded;

fig. 3 is a bottom view of the cope match plate according to the present invention;

fig. 4 is an enlarged schematic view of the position a in the present invention.

In the figure: 1. the casting device comprises a lower template, 11, a lower casting groove, 12, a lower casting groove, 13, a feeding hole, 14, a limiting rod, 2, an upper template, 21, a casting pipe, 22, an upper casting groove, 23, a limiting groove, 24, a screw hole, 25, a limiting hole, 3, a supporting table, 4 and a template.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a many die cavities cell-phone connection shell injection mold, including lower bolster 1, be equipped with cope match-plate pattern 2 directly over the lower bolster 1, pouring basin 11 has been seted up down at 1 top of lower bolster, and pouring basin 11 is bilateral symmetry structure down, the position symmetry at both ends has seted up lower die cavity 12 about lower bolster 1 top lies in pouring basin 11, feed inlet 13 has been seted up to one side that lower die cavity 12 inner wall lies in pouring basin 11 down, and feed inlet 13 extends to pouring basin 11 bottom down and communicates with 11 insides of lower pouring basin from the bottom of lower die cavity 12.

In this embodiment, four limiting rods 14 are arranged around the top of the lower template 1 in a rectangular shape, and the bottoms of the limiting rods 14 are welded and fixed with the top of the lower template 1, so that the reliability of the limiting rods 14 is improved.

The top of the upper template 2 is provided with an upper casting groove 22, the upper casting groove 22 is consistent with the lower casting groove 11 in structure, the left end and the right end of the upper casting groove 22 are symmetrically provided with a limiting groove 23, and the top of the limiting groove 23 is provided with a supporting table 3.

In this embodiment, the opposite side that cope match-plate pattern 2 is located upper casting groove 22 is equipped with pouring tube 21, conveniently adds the material, and pouring tube 21 extends to the inner wall of upper casting groove 22, and upper casting groove 22 and pouring tube 21 are integrated into one piece structure, improve holistic reliability and seal.

In this embodiment, 2 tops of cope match-plate pattern are the rectangle all around and have seted up four spacing holes 25, and gag lever post 14 and spacing hole 25 grafting cooperation, insert gag lever post 14 in spacing hole 25, realize the fixed to 2 positions of cope match-plate pattern, avoid placing because of cope match-plate pattern 2 and have the deviation and lead to the mould to damage.

In this embodiment, screw 24 has been seted up at spacing groove 23 top, and screw 24 extends to 2 bottom surfaces of cope match-plate pattern, and spacing groove 23 top is equipped with brace table 3, and brace table 3 bottom passes through bolt fixed connection with spacing groove 23, and the convenience is dismantled brace table 3.

In this embodiment, 3 tops on the brace table are equipped with template 4, and template 4 and brace table 3 are the integrated into one piece structure, avoid connection structure too much to lead to having the space between brace table 3 and template 4 and lower die groove 12, cause the production error increase, reduce product quality.

In this embodiment, brace table 3's size and lower die cavity 12's size looks adaptation guarantees to closely contact between brace table 3 and lower die cavity 12's the inner wall, and brace table 3's height equals with the high sum of pouring basin 11 and spacing hole 25 down, guarantees that when using, the material can only get into the die cavity through feed inlet 13.

When the injection mold for the multi-mold-cavity mobile phone connecting shell is installed, the support table 3 is installed in the limiting groove 23 through the bolt, the limiting rod 14 is inserted into the limiting hole 25 in the upper mold plate 2, at the moment, the support table 3 and the mold plate 4 are inserted into the lower mold groove 12, and the mold plate 4 and the lower mold groove 12 form a mold cavity. When using, in pouring pipe 21 pours into injection mold with the right amount of material, the material flows along lower casting groove 11 and last casting groove 22 to flow into the die cavity through feed inlet 13, treat that the die cavity is full of, can stop adding the material, this equipment structure is simple, and template 4 changes the facility, and is efficient, and has effectively avoided the die cavity to fill inhomogeneous problem.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-cavity mobile phone connecting shell injection mold, includes lower bolster (1), be equipped with cope match-plate pattern (2), its characterized in that directly over lower bolster (1): the lower die plate is characterized in that a lower pouring groove (11) is formed in the top of the lower die plate (1), the lower pouring groove (11) is of a bilaterally symmetrical structure, lower die grooves (12) are symmetrically formed in positions, located at the left end and the right end of the lower pouring groove (11), of the top of the lower die plate (1), a feeding hole (13) is formed in one side, located at the lower pouring groove (11), of the inner wall of the lower die groove (12), and the feeding hole (13) extends to the bottom of the lower pouring groove (11) from the bottom of the lower die groove (12) and is communicated with the interior of the lower pouring groove (11);

the top of the upper template (2) is provided with an upper pouring groove (22), the upper pouring groove (22) is consistent with the structure of the lower pouring groove (11), the left end and the right end of the upper pouring groove (22) are symmetrically provided with limiting grooves (23), and the top of each limiting groove (23) is provided with a supporting table (3).

2. The multi-cavity injection mold for a handset connection shell according to claim 1, wherein: four limiting rods (14) are arranged on the periphery of the top of the lower template (1) in a rectangular mode, and the bottoms of the limiting rods (14) are fixedly welded to the top of the lower template (1).

3. The multi-cavity injection mold for a handset connection shell according to claim 1, wherein: the casting device is characterized in that a casting pipe (21) is arranged on the other side, located on the upper casting groove (22), of the upper template (2), the casting pipe (21) extends to the inner wall of the upper casting groove (22), and the upper casting groove (22) and the casting pipe (21) are of an integrally formed structure.

4. The multi-cavity injection mold for a handset connection shell according to claim 2, wherein: four limiting holes (25) are formed in the periphery of the top of the upper template (2) in a rectangular shape, and the limiting rods (14) are in plug-in fit with the limiting holes (25).

5. The multi-cavity injection mold for a handset connection shell according to claim 1, wherein: screw hole (24) have been seted up at spacing groove (23) top, screw hole (24) extend to cope match-plate pattern (2) bottom surface, spacing groove (23) top is equipped with brace table (3), just brace table (3) bottom with spacing groove (23) pass through bolt fixed connection.

6. The multi-cavity injection mold for a handset connection shell according to claim 5, wherein: the top of the supporting platform (3) is provided with a template (4), and the template (4) and the supporting platform (3) are of an integrally formed structure.

7. The multi-cavity injection mold for a handset connection shell according to claim 5, wherein: the size of the supporting table (3) is matched with that of the lower die cavity (12), and the sum of the height of the supporting table (3) and the height of the lower pouring groove (11) and the limiting hole (25) is equal.