CN211763163U - Injection mold of shell upper cover - Google Patents

Abstract

The utility model relates to the field of manufacturing molds for upper covers of outdoor cameras, in particular to an injection mold for an upper cover of a shell with good molding effect and high product quality, which comprises an upper module, a lower module and a molding mold core, wherein the upper module and the lower module are distributed up and down, the molding mold core comprises a male mold core and a female mold core, the female mold core is embedded into the upper module, the male mold core is embedded into the lower module, and two ends of the male mold core are respectively provided with a stop block; the male die core comprises a die core plate and a convex male die, the male die is embedded on the die core plate, the male die core and the female die core are distributed up and down, a forming cavity is arranged between the male die core and the female die core, and the forming cavity is communicated with an injection molding hole arranged in the upper die set. The utility model discloses the both ends of utilizing mould benevolence are provided with the dog respectively, the dog is two of the distribution of symmetry, and in the both ends of public mould benevolence promote drawing of patterns effect, improve the product quality to improve product production efficiency.

Description

Injection mold of shell upper cover

Technical Field

The utility model belongs to the technical field of the manufacturing mould of outdoor camera upper cover and specifically relates to an injection mold of shell upper cover that shaping is effectual, product quality is high is related to.

Background

The mould is various moulds and tools for obtaining required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The injection mold consists of an upper mold set and a lower mold set, wherein the upper mold set is installed on a movable mold plate of the injection molding machine, and the lower mold set is installed on a fixed mold plate of the injection molding machine. The upper die set and the lower die set are closed to form a pouring system and a cavity during injection molding, and the upper die set and the lower die set are separated during die opening so as to take out the plastic product.

Especially to the camera structure of outdoor usefulness, current camera shell structure is in the manufacturing process of moulding plastics, often because of the drawing of patterns effect is not good, leads to the product quality to descend, and then reduces product machining efficiency, and then, how to promote drawing of patterns effect in injection mold manufacturing process, is one of the technical problem that technical staff in the field need solve.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an injection mold's of shell upper cover technical scheme especially relates to an injection mold of outdoor camera upper cover, including last module, lower module and forming mold core, go up module and lower module and distribute from top to bottom, forming mold core includes core insert and cavity insert, cavity insert the module, core insert the module, wherein: two ends of the male die core are respectively provided with a stop block; the male die core comprises a die core plate and a convex male die, the male die is embedded on the die core plate, the male die core and the female die core are distributed up and down, a forming cavity is arranged between the male die core and the female die core, and the forming cavity is communicated with an injection molding hole arranged in the upper die set; the ejector pin group penetrates through the male die core and abuts against the lower part of the forming cavity and is communicated with the forming cavity.

Further preferred is: the two stop blocks are symmetrically distributed at two ends of the core insert;

the cross section of each stop block is Z-shaped, and the side surfaces of the two stop blocks are abutted against the two end surfaces of the male die core.

Further preferred is: the axial section of the male die core is in an inverted T shape.

Further preferred is: the lower die set comprises a lower die fixing plate and a lower die plate, a stripper plate which can move up and down is arranged between the lower die fixing plate and the lower die plate, and the ejector pins are assembled on the stripper plate to drive the ejector pin set to move and eject.

Further preferred is: and a plurality of springs are arranged between the lower die fixing plate and the lower die plate, and two ends of each spring are respectively abutted against the lower die plate and the side surface of the demoulding plate.

Further preferred is: go up the module and include from last to overlapping last fixed plate and the cope match-plate pattern that sets up down in proper order, wear to be equipped with the wedge bar on the cope match-plate pattern, wedge bar one end is fixed in on the fixed plate of going up.

Further preferred is: the wedge rod comprises two integrally formed parts, wherein the upper part of the wedge rod is a vertical part, and the lower part of the wedge rod is an inclined part.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model utilizes two ends of the die core to be respectively provided with two blocks which are symmetrically distributed and are arranged at two ends of the male die core; the cross section of each dog is the Z word shape, two the side of dog supports in the depressed part at core insert both ends to press in core insert on the mould benevolence board, make the dog can carry out the micro displacement towards the lateral surface that corresponds at the drawing of patterns process, carry out drawing of patterns operation with supplementary thimble, thereby promote drawing of patterns effect, improve the product quality, thereby improve product production efficiency.

Drawings

Fig. 1 is a schematic perspective view of an injection mold according to an embodiment of the present invention;

FIG. 2 is a structural sectional view along the x-axis of the injection mold according to the embodiment of the present invention;

fig. 3 is a structural section view along the y-axis of the injection mold according to the embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Example (b):

the technical scheme includes that the injection mold comprises an upper module, a lower module and a forming mold core, wherein the upper module and the lower module are distributed up and down, the forming mold core comprises a male mold core and a female mold core, the female mold core is embedded into the upper module, and the male mold core is embedded into the lower module.

The lower die set is provided with an injection molding hole and comprises a lower die fixing plate 1-1 and a lower die plate 1-2, the lower die plate 1-2 is arranged on the lower die fixing plate 1-1, a certain gap is formed between the lower die fixing plate 1-1 and the lower die fixing plate 1-1, and the width of the gap is a stroke required in the demolding process of the die; a stripper plate 1-3 capable of moving up and down is arranged between the lower die fixing plate 1-1 and the lower die plate 1-2, a plurality of ejector pins 3 are vertically arranged on the stripper plate 1-3, and the ejector pins 3 are an ejector pin group to form a structure capable of driving the ejector pin group to move and eject. A plurality of springs 4 are further arranged between the lower die fixing plate 1-1 and the lower die plate 1-2, each spring 4 is arranged between the gaps, and two ends of each spring 4 respectively abut against the lower die plate 1-2 and the side face of the demoulding plate 1-3, so that a buffering and resetting structure for demoulding is formed.

The male die core 5 is embedded on the lower template 1-2, the male die core 5 comprises a die core plate 5-1 and a convex male die 5-2, and the male die 5-2 is embedded on the die core plate 5-1 to form a T-shaped structure.

The upper die set comprises an upper die fixing plate 2-1 and an upper die plate 2-2 which are sequentially overlapped from top to bottom, two modules 2-3 are arranged in the upper die plate, the two modules 2-3 are symmetrically arranged, a protruding part extends out of the symmetrical surface of each module 2-3, an I-shaped cavity is formed between the upper die plate and the base plate, and the cavity insert 6 is embedded in the cavity. Specifically, each of the modules is mounted on the upper mold fixing plate 2-1 through a wedge 7, and each wedge 7 includes two integrally formed parts, and the upper part of the wedge 7 is a vertical part and the lower part thereof is an inclined part, and the inclined part is embedded in the module. Specifically, the bottom end of each inclined portion of the wedge 7 is inclined toward the outer wall of the mold; in the demolding process, the inclined parts of the two wedge rods 7 can drive the modules at the corresponding positions to slightly open outwards, so that a better demolding effect is obtained, the quality of a product in the manufacturing process is further improved, and the product machining efficiency is improved.

The male die core 5 and the female die core 6 are distributed up and down, a forming die cavity is arranged between the male die core 5 and the female die core 6 and is communicated with an injection molding hole arranged on the upper die set, and each thimble 3 passes through the male die 5-2 of the male die core 5 and is arranged below the forming die cavity so as to effectively eject a product after injection molding.

Two ends of the male die core 5 are respectively provided with a stop block 8, and the stop blocks 8 are symmetrically distributed at the two ends of the male die core 5; the cross section of each stop block 8 is Z-shaped, the side surfaces of the two stop blocks 8 are abutted against the corners of the end of the male die core 5 and pressed on the die core plate 5-1 of the male die core 5, and a limiting structure in the demoulding process is formed.

The outer wall of the upper module corresponding to each stop block 8 is provided with a yielding hole, and a limit baffle 9 is arranged at the yielding hole, so that each stop block can slightly displace towards the corresponding outer side surface in the demoulding process; when the maximum displacement of each check block, the check block passes through the yielding hole and abuts against the inner side wall of the limiting baffle 9, so that the demolding efficiency is further improved, and the product quality is improved.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make modifications and changes without departing from the spirit and scope of the present invention.

Claims (7)

1. Injection mold of shell upper cover, its characterized in that: it includes module, lower module and forming mold core, go up module and lower module and distribute from top to bottom, forming mold core includes core insert and cavity, the embedding of cavity insert go up the module, the embedding of core insert the module down, wherein:

two ends of the male die core are respectively provided with a stop block;

the male die core comprises a die core plate and a convex male die, the male die is embedded on the die core plate, the male die core and the female die core are distributed up and down, a forming cavity is arranged between the male die core and the female die core, and the forming cavity is communicated with an injection molding hole arranged in the upper die set;

the ejector pin group penetrates through the male die core and abuts against the lower part of the forming cavity and is communicated with the forming cavity.

2. The injection mold of the housing upper cover according to claim 1, wherein: the two stop blocks are symmetrically distributed at two ends of the core insert;

the cross section of each stop block is Z-shaped, and the side surfaces of the two stop blocks are abutted against the two end surfaces of the male die core.

3. The injection mold of the housing upper cover according to claim 2, wherein: the axial section of the male die core is in an inverted T shape.

4. The injection mold of the housing upper cover according to claim 1, wherein: the lower die set comprises a lower die fixing plate and a lower die plate, a stripper plate which can move up and down is arranged between the lower die fixing plate and the lower die plate, and the ejector pins are assembled on the stripper plate to drive the ejector pin set to move and eject.

5. The injection mold of the housing upper cover according to claim 4, wherein: and a plurality of springs are arranged between the lower die fixing plate and the lower die plate, and two ends of each spring are respectively abutted against the lower die plate and the side surface of the demoulding plate.

6. The injection mold of the housing upper cover according to claim 1, wherein: go up the module and include from last to overlapping last fixed plate and the cope match-plate pattern that sets up down in proper order, wear to be equipped with the wedge bar on the cope match-plate pattern, wedge bar one end is fixed in on the fixed plate of going up.

7. The injection mold of the housing upper cover according to claim 6, wherein: the wedge rod comprises two integrally formed parts, wherein the upper part of the wedge rod is a vertical part, and the lower part of the wedge rod is an inclined part.

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