CN211518342U - Injection molding mold of toy small fish - Google Patents

Abstract

The utility model discloses an injection moulding mould of toy little fish, include: a first die, the top of which is provided with an injection port; the second die is movably connected to the first die, can move along the first die, is closed or separated from the first die, and forms a die cavity for forming the support frame with the first die; injecting molten plastic from the injection port, wherein the molten plastic enters the mold cavity through the first runner and the second runner, and the support frame is molded in the mold cavity; therefore, the technical problems that the manufacturing cost of the support frame on the toy small fish is relatively high and the operation is inconvenient are solved, the technical effects that the manufacturing cost is reduced and the operation is relatively convenient are achieved, and the toy small fish support frame is beneficial to wide popularization.

Description

Injection molding mold of toy small fish

Technical Field

The utility model relates to an injection moulding technical field, specific injection moulding mould of toy little fish that says so.

Background

Toys, generally referred to as objects that can be played, are often used as an edutainment in human society, and particularly, children generally like toys; toys are of many kinds, such as trains, robots, toy frogs, toy fish, and so on;

the toy small fish is usually made of plastic materials and comprises a support frame, a clockwork spring box connected to the support frame and a fish-shaped shell wrapped outside the support frame; the support frame is generally made of plastic blocks and machined, so that the manufacturing cost is relatively high, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection moulding mould of toy small fish to solve the support frame manufacturing cost on the toy small fish among the prior art and be higher relatively, operate inconvenient technical problem to the above-mentioned weak point that exists among the correlation technique.

Realize the utility model discloses the technical scheme of purpose is: an injection mold for toy fish, comprising:

a first die, the top of which is provided with an injection port;

and the second die is movably connected to the first die, can move along the first die, is closed or separated from the first die, and forms a die cavity for forming the support frame with the first die.

Further: the first mold includes: a first plate having a first stepped through hole for the injection port to pass through;

the four first guide sleeves are connected to the first plate;

the first outer die is connected to the first plate, is provided with a first stepped groove for the injection port to penetrate into and is provided with a first flow channel communicated with the injection port;

the four second guide sleeves are connected to the first outer die, correspond to the first guide sleeves one by one and are respectively positioned on the same straight line with the central line of the first guide sleeve;

the first mold core is connected to the first outer mold and provided with a second flow channel; the second runner is in communication with the first runner and with the mold cavity;

and the first flange is connected to the first plate, arranged at the first step through hole and used for pressing the injection molding opening.

Further: the second die includes: a second plate;

the two first spacing blocks are symmetrically connected to the second plate and are respectively and vertically arranged with the second plate;

the second outer die is connected to the first spacer block and forms a cavity with the first spacer block and the second plate;

four first guide pillar assemblies, one end of each first guide pillar assembly is connected to the first spacer, the other end of each first guide pillar assembly penetrates through the first spacer and the second outer die, and the first guide pillar assemblies and the second guide pillar assemblies are respectively in one-to-one correspondence, penetrate through the first guide sleeve and the second guide sleeve and are in clearance fit with the first guide sleeve and the second guide sleeve;

and the second mold core is connected to the second outer mold and forms the mold cavity with the first mold core.

Further: a portion of the mold cavity is disposed on the first mold core and another portion is disposed on the second mold core;

the support frame includes: the first block is in a cross shape after being projected from the top to the bottom plane, and a second stepped groove is formed in the middle of the first block; the two first partition plates are connected in the second step groove, and V-shaped notches are formed in the first partition plates; the extending plate is in an isosceles trapezoid shape after being projected from the top to the bottom plane, is connected to the side face of the first block, and is provided with a waist-shaped through hole in the middle;

the thickness dimension of the extension plate is smaller than that of the first block.

Further: the first outer mold includes: a first sub-assembly connected to the first plate; and a second sub-part connected to the first sub-part;

the first flow path includes: a tetragonal channel; the arc-shaped groove surrounds one end of the injection molding opening and is arranged at the central part of the tetragonal channel; the first transition channel is connected between the tetragonal channel and the circular arc groove and is communicated with the injection molding opening; and a second transition passage vertically connected to the tetragonal passage and communicating with the second flow passage;

the square-shaped channel, the arc-shaped groove and one part of the first transition channel are arranged on the first sub-piece, and the other part of the first transition channel is arranged on the second sub-piece;

the second transition passage is arranged on the second sub-piece.

Further: further comprising: four second guide members;

the second guide member includes: the third guide sleeve is connected with the first outer die and the first die core; the fourth guide sleeve is connected to the second outer die and the second die core; and one end of the second guide column is connected to the fourth guide sleeve, and the other end of the second guide column penetrates through the second outer die, the second die core, the first outer die and the first die core and is in clearance fit with the third guide sleeve.

Further: further comprising: the cooling part is arranged on the first mold core and penetrates out of the side wall of the first outer mold;

the cooling member includes: a coolant channel disposed on the first mold core; and the water nozzle is connected to the first mold core and can penetrate out of the side wall of the first outer mold.

Further: further comprising: the pushing piece is arranged at the cavity, and one part of the pushing piece can penetrate through the second outer die and the second die core to push the supporting frame out of the die cavity;

the ejector member includes: a third plate in contact with a surface of the second plate; a fourth plate connected to the third plate; one end of each first ejector pin is connected to the fourth plate, and the other end of each first ejector pin can penetrate out of the second outer die and the second die core and penetrate out of the die cavity; and one end of the plurality of reset rods is connected to the fourth plate, and the other end of the plurality of reset rods can penetrate into the second outer die and the second die core.

By adopting the technical scheme, the utility model discloses following beneficial effect has: compared with the related art, the injection molding mold for the toy small fish is provided with a first mold and a second mold; the second die is movably connected to the first die, can move along the first die, is attached to or separated from the first die, is formed between the second die and the first die, and is used for forming a die cavity of the support frame; injecting molten plastic from the injection port, wherein the molten plastic enters the mold cavity through the first runner and the second runner, and forming the support frame in the mold cavity, so that the operation is very convenient, the manufacturing cost is reduced, and the forming efficiency is high; therefore, the technical problems that the manufacturing cost of the support frame on the toy small fish is relatively high and the operation is inconvenient are solved, the technical effects that the manufacturing cost is reduced and the operation is relatively convenient are achieved, and the toy small fish support frame is beneficial to wide popularization.

Drawings

Fig. 1 is a schematic view of a three-dimensional assembly according to an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a cross-sectional view taken along line B-B of fig. 2 in accordance with the present invention;

fig. 4 is a cross-sectional view taken along line C-C of fig. 2 in accordance with the present invention;

fig. 5 is a cross-sectional view taken along line D-D of fig. 2 in accordance with the present invention;

FIG. 6 is a schematic three-dimensional view of an embodiment of the present invention with a second guiding element and a cooling element, without a pushing element;

FIG. 7 is a second schematic three-dimensional structure of the embodiment of the present invention with the second guiding element and the cooling element without the pushing element;

fig. 8 is a schematic three-dimensional structure diagram of the supporting frame in the embodiment of the present invention;

fig. 9 is a second schematic three-dimensional structure of the supporting frame according to the embodiment of the present invention;

fig. 10 is a cross-sectional view of a first outer mold and an injection port in an embodiment of the present invention;

fig. 11 is a schematic three-dimensional structure of a first sub-assembly on a first outer mold in an embodiment of the invention;

fig. 12 is a schematic three-dimensional structure of a second sub-part on a first outer mold in an embodiment of the invention;

fig. 13 is a schematic three-dimensional structure diagram of the first mold core and the second mold core in the embodiment of the present invention;

FIG. 14 is a top view of a cooling element according to an embodiment of the present invention;

fig. 15 is a schematic three-dimensional structure diagram of a pushing member according to an embodiment of the present invention;

fig. 16 is an exploded view of a pusher in an embodiment of the invention;

in the figure: 10. the injection molding device comprises a first die, 11, an injection port, 12, a first plate, 121, a first stepped through hole, 13, a first guide sleeve, 14, a first outer die, 141, a first stepped groove, 142, a first runner, 142-1, a square channel, 142-2, an arc groove, 142-3, a first transition channel, 142-4, a second transition channel, 143, a first part, 144, a second part, 15, a second guide sleeve, 16, a first die core, 161, a second runner, 17, a first flange, 20, a second die, 21, a second plate, 22, a first spacer, 23, a second outer die, 24, a cavity, 25, a first guide post assembly, 26, a second die core, 30, a die cavity, 400, a support frame, 401, a first block, 401-1, a second stepped groove, 402, a first partition plate, 402-1, a V-shaped notch extending plate, 403-1, a kidney-shaped through hole, 50. the hydraulic ejector comprises a second guide piece, 51, a third guide sleeve, 52, a fourth guide sleeve, 53, a second guide column, 60, a cooling piece, 61, a cooling liquid channel, 62, a water nozzle, 70, an ejector piece, 71, a third plate, 72, a fourth plate, 73, a first ejector pin and 74, and a reset rod.

Detailed Description

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail with reference to the following embodiments in conjunction with the accompanying drawings;

the utility model relates to an injection moulding mould of toy fish has solved the support frame manufacturing cost on the toy fish among the correlation technique and is higher relatively, operates inconvenient technical problem, has reached reduction in manufacturing cost, operates convenient positive effect relatively, and the general thinking is as follows:

example (b):

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15, fig. 16; an injection mold for toy fish, comprising:

a first mold 10 having an injection port 11 at the top;

the second die 20 is movably connected to the first die 10, can move along the first die 10, is closed or separated from the first die 10, and forms a die cavity 30 for forming the support frame 400 with the first die 10;

specifically, in practice, a first die 10 and a second die 20 are provided; the second die 20 is movably connected to the first die 10, can move along the first die 10, is attached to or separated from the first die 10, and is formed between the second die and the first die 10 for forming the die cavity 30 of the support frame 400; injecting the molten plastic from the injection port 11, wherein the molten plastic enters the mold cavity 30 through the first runner 142 and the second runner 161, and forming the support frame 400 in the mold cavity 30, which is very convenient to operate, reduces the manufacturing cost and has high forming efficiency; therefore, the technical problems that the manufacturing cost of the support frame on the toy small fish is relatively high and the operation is inconvenient are solved, and the technical effects that the manufacturing cost is reduced and the operation is relatively convenient are achieved;

the following is a detailed description of the respective constituent elements and the connection relationship:

specifically, as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13, the first die 10 includes: a first plate 12 having a first stepped through hole 121 for allowing the injection port 11 to pass therethrough;

four first guide sleeves 13 connected to the first plate 12;

a first outer mold 14 attached to the first plate 12, having a first stepped groove 141 for facilitating penetration of the injection port 11, and having a first flow passage 142 communicating with the injection port 11;

four second guide sleeves 15 connected to the first outer die 14, corresponding to the first guide sleeves 13 one by one, and respectively aligned with the center lines of the first guide sleeves 13;

a first mold core 16 connected to the first outer mold 14 and having a second flow path 161; the second flow passage 161 is in communication with the first flow passage 142 and with the mold cavity 30;

the first flange 17 is connected to the first plate 12, arranged at the first step through hole 121 and used for pressing the injection molding opening 11;

in implementation, the injection port 11 is formed by forging a blank material and machining, has an approximate T-shaped structure, is tightly matched with the first stepped through hole 121 and the first stepped groove 141 according to normal tolerance, has a first through hole in the middle, has at least one second through hole on the side wall, is communicated with the first through hole, and is communicated with the first flow channel 142, so that the plastic in a molten state can be injected into the first flow channel 142 from the first through hole through the second through hole;

the first plate 12 is formed by adopting a forged blank and machining, and is square in shape;

the first guide sleeve 13 is formed by forging a blank and machining, is approximately of a T-shaped structure in appearance, is tightly matched with a second step through hole reserved in the first plate 12 according to normal tolerance, prevents the first guide pillar assembly 25 from directly wearing the first plate 12, and reduces the replacement cost;

the first overmold 14 includes: a first component 143 attached to the first plate 12; and a second part 144 connected to said first part 143;

the first flow channel 142 includes: a square channel 142-1; the circular arc-shaped groove 142-2 surrounds one end of the injection port 11 and is arranged at the central part of the tetragonal channel 142-1; a first transition passage 142-3 connected between the tetragonal passage 142-1 and the circular arc groove 142-2 and communicating with the injection port 11; and a second transition passage 142-4 vertically connected to the tetragonal passage 142-1 and communicating with the second flow passage 161; the square-shaped channel 142-1, the circular arc-shaped groove 142-2 and a part of the first transition channel 142-3 are disposed on the first sub-piece 143, and the other part is disposed on the second sub-piece 144; the second transition channel 142-4 is disposed on the second sub-piece 144; the arc-shaped groove 142-2 is arranged, so that the plastic in a molten state can smoothly enter the square channel 142-1 from the first transition channel 142-3, and then enter the four mold cavities 30 through the four second transition channels 142-4 and the four second flow channels 161 respectively, and the four support frames 400 can be formed in an injection molding mode at one time;

the first part 143 and the second part 144 are both made of forged blanks and are machined, after the first flow channel 142 is formed, the first part 143 and the second part 144 are welded to form a whole, the shape of the whole is square, the first part 143 is connected with the first plate 12 through a positioning pin and is connected with the first plate through a hexagon socket head cap screw, the positioning accuracy is high, and the installation and the disassembly are very convenient;

the second guide sleeve 15 is formed by forging a blank and machining, is approximately of a T-shaped structure in appearance, is tightly matched with a third stepped through hole reserved in the first outer die 14 according to normal tolerance, prevents the first guide pillar assembly 25 from directly wearing the first outer die 14, and reduces the replacement cost;

the first mold core 16 is formed by forging a blank and machining, is square in shape, is connected with the first outer mold 14 through a positioning pin and penetrates through a hexagon socket head cap screw to be connected, and is high in positioning accuracy and convenient to mount and dismount;

the number of the second flow passages 161 is four, the cross section is circular, one end of each second flow passage is aligned and communicated with the second transition passage 142-4, and the other end of each second flow passage is communicated with the mold cavity 30, so that the plastic in a molten state can enter the mold cavity 30 conveniently;

the first flange 17 is connected with the first plate 12 through an outer hexagon bolt and can press the injection molding opening 11;

the second die 20 includes: a second plate 21;

two first spacers 22 symmetrically connected to the second plate 21 and vertically disposed between the second plate 21 and the first spacers 22;

a second outer mold 23 connected to the first spacer 22 and forming a cavity 24 with the first spacer 22 and the second plate 21;

four first guide post assemblies 25, one end of each of which is connected to the first spacer 22 and the other end of each of which penetrates through the first spacer 22 and the second outer mold 23, and each of which penetrates through the first guide sleeve 13 and the second guide sleeve 15 one by one and is in clearance fit with the first guide sleeve 13 and the second guide sleeve 15;

and a second mold core 26 connected to the second outer mold 23 and forming the mold cavity 30 with the first mold core 16;

in implementation, the second plate 21 is machined from a forged blank, and has a square shape;

the first spacer 22 is formed by forging blanks and machining, is of a rectangular block structure, is connected with the second plate 21 through a positioning pin, and is high in positioning precision and convenient to mount and dismount;

the second outer die 23 is machined from forged blanks, is square in shape, is connected with the first spacer blocks 22 through positioning pins, and is high in positioning accuracy and convenient to mount and dismount;

the first guide post assembly 25 includes: the clamping sleeve 251 is tightly matched in a fourth step through hole reserved on the first partition block 22 according to normal tolerance; the first guide pillar 252 is cylindrical, and one end of the first guide pillar is tightly matched with a fifth reserved stepped through hole in the clamping sleeve 251; the locking bolt 253 penetrates through the fifth stepped through hole and is in threaded connection with the first guide pillar 252; the first guide post assembly 25 forms a guide, so that the first die 10 can move along the first guide post 252, the die assembly precision between the first die 10 and the second die 20 is high, and the forming of the support frame 400 is facilitated;

the second mold core 26 is formed by forging a blank and machining, is square in shape, is connected with the second outer mold 23 through a positioning pin and penetrates through an inner hexagonal bolt, and is high in positioning precision and convenient to mount and dismount;

the second plate 21, the first spacer 22, the second outer die 23 and the second die core 26 are connected by adopting inner hexagonal bolts, so that the mounting and dismounting are convenient;

in practice, the number of cavities 30 is four, with a portion of each cavity 30 being disposed on the first mold core 16 and another portion being disposed on the second mold core 26; demolding is facilitated after the support frames 400 are molded, four support frames 400 can be molded at one time, and the efficiency is relatively high;

after molding, the support frame 400 includes: the first block 401 is in a cross shape after being projected from the top to the bottom, and a second stepped groove 401-1 is formed in the middle of the first block; two first partition plates 402 connected in the second stepped groove 401-1, wherein the first partition plates 402 are provided with V-shaped notches 402-1; the extending plate 403 is in an isosceles trapezoid shape after being projected from the top to the bottom plane, is connected to the side surface of the first block 401, and is provided with a waist-shaped through hole 403-1 in the middle; the thickness dimension of the extension plate 403 is smaller than that of the first block 401; the shape is similar to a small fish shape, so that other parts can be conveniently arranged on the support frame 400 to form a complete toy small fish;

the plastic in the molten state is injected from the injection port 11 through the cooperation of the first mold 10 and the second mold 20, the plastic in the molten state enters the mold cavity 30 through the first runner 142 and the second runner 161, the support frame 400 is formed in the mold cavity 30, and then the first mold 10 is moved to separate the first mold 10 from the second mold 20 and take out the support frame 400, so that the operation is very convenient, and four support frames 400 can be formed at one time, so that the efficiency is high, and the manufacturing cost is relatively low;

specifically, as shown in fig. 1, 2, 3, 4, 5, 6, and 7, the present invention further includes: four second guides 50;

the second guide 50 includes: a third guide sleeve 51 connecting the first outer die 14 and the first die core 16; a fourth guide sleeve 52 connected to the second outer die 23 and the second mold core 26; one end of the second guide post 53 is connected to the fourth guide sleeve 52, and the other end of the second guide post passes through the second outer die 23, the second die core 26, the first outer die 14 and the first die core 16 and is in clearance fit with the third guide sleeve 51;

in implementation, the third guide sleeve 51 is formed by forging a blank and machining, has an approximate T-shaped appearance, and is tightly matched with sixth stepped through holes reserved on the first outer die 14 and the first die core 16 according to normal tolerance, so that the second guide pillar 53 is prevented from directly wearing the first outer die 14 and the first die core 16, and the replacement cost is reduced;

the fourth guide sleeve 52 is formed by forging a blank and machining, is approximately in a T-shaped structure in appearance, is tightly matched with seventh stepped through holes reserved on the second outer die 23 and the second die core 26 according to normal tolerance, prevents the second guide column 53 from directly wearing the second outer die 23 and the second die core 26, and reduces the replacement cost;

the second guide pillar 53 is formed by forging a blank and machining, and has an approximate T-shaped structure;

the second guide piece 50 plays a role in guiding, so that the mold closing precision between the first mold 10 and the second mold 20 is high, and the molding of the support frame 400 is facilitated;

specifically, as shown in fig. 1, 2, 3, 4, 5, 6, 7, and 14, the present invention further includes: a cooling member 60 disposed on the first mold core 16 and extending out of the side wall of the first outer mold 14;

the cooling member 60 includes: a coolant passage 61 provided on the first mold core 16; the water nozzle 62 is connected to the first mold core 16 and can penetrate through the side wall of the first outer mold 14;

in practice, the cooling fluid channel 61 is formed by drilling holes in the first mold core 16, and the holes are staggered to form a channel for flowing cooling fluid, which generally adopts tap water; the cooling liquid channel 61 forms eight outlets, each outlet is provided with an internal thread section, when in use, a water nozzle 62 is connected to two outlets on one side, the water nozzle 62 penetrates through a third through hole reserved on the side wall of the first outer die 14, so that circulating tap water can be conveniently led in, and the other six outlets are sealed by adopting screw plugs;

the shape of the cooling liquid channel 61 is similar to a Chinese character 'jing', wherein two outlets of the connecting water nozzle 62 are in a disconnected state, so that cooling water can have enough circulation distance in the cooling liquid channel 61, the cooling effect is ensured, the rapid cooling forming of the support frame 400 is facilitated, and the efficiency is improved;

specifically, as shown in fig. 1, 2, 3, 4, 5, 6, 7, 15, and 16, the present invention further includes: an ejector 70, which is arranged at the cavity 24 and a part of which can penetrate out of the second outer die 23 and the second mold core 26 to eject the support frame 400 from the mold cavity 30;

the ejector 70 includes: a third plate 71 in contact with a surface of the second plate 21; a fourth plate 72 connected to the third plate 71; one end of each first ejector pin 73 is connected to the fourth plate 72, and the other end of each first ejector pin can penetrate through the second outer die 23 and the second die core 26 and penetrate out of the die cavity 30; a plurality of reset rods 74, one end of which is connected to the fourth plate 72, and the other end of which can penetrate into the second outer die 23 and the second die core 26;

in practice, the third plate 71 is a rectangular parallelepiped plate;

the fourth plate 72 is a rectangular plate and is connected with the third plate 71 through an inner hexagon bolt;

the first ejector pins 73 are sixteen in number, four in each die cavity 30, are formed by forging blanks and machining, and are tightly matched at one end in an eighth stepped through hole reserved in the fourth plate 72 according to normal tolerance;

the number of the reset rods 74 is four, the reset rods are formed by forging blanks and machining, one end of each reset rod is tightly matched in a ninth stepped through hole reserved in the fourth plate 72 according to normal tolerance, the reset rods 74 can be communicated with the die cavity 30 or not communicated with the die cavity 30, and only blind holes are reserved in the second outer die 23 and the second die core 26, so that the reset rods 74 have enough moving space;

the pushing piece 70 is arranged, after the supporting frame 400 is molded, the first die 10 is opened, the pushing piece 70 moves, the first ejector pin 73 ejects the supporting frame 400 from the die cavity 30, and the supporting frame 400 is taken out conveniently; when the reset rod 74 is communicated with the die cavity 30, the function of ejecting the support frame 400 is also realized, and a certain guiding function is realized;

an injection molding process for toy fish, wherein plastic in a molten state is injected from the injection port 11, passes through the first flow passage 142, passes through the second flow passage 161, enters the mold cavity 30, and forms the support frame 400 in the mold cavity 30;

in practice, the areas of the first plate 12 and the second plate 21 are large, so that the shape of the injection mold for the toy small fish is similar to an i shape, and the injection mold for the toy small fish is connected to an injection molding machine through the first plate 12 and the second plate 21, for example, the first plate 12 and the second plate 21 are respectively pressed by a plurality of common pressing plates, and after seeing the contents disclosed by the utility model, a person skilled in the art can directly and unambiguously know how to set the toy small fish without creative labor and excessive tests;

after the injection molding mold of the toy fish is connected to an injection molding machine, the first mold 10 and the second mold 20 are closed or separated, so that the toy fish is more convenient, a fourth through hole is formed in the middle of the second plate 21, one end of the cylinder penetrates through the fourth through hole and is connected with the third plate 71, after the support frame 400 is subjected to injection molding, the first mold 10 is opened, the cylinder is opened, the first ejector pin 73 on the ejector piece 70 is pushed out of the support frame 400, then the ejector piece 70 returns, the first mold 10 and the second mold 20 are closed again, and the operation is repeated;

the working principle of the utility model is as follows: in practice, a first die 10 and a second die 20 are provided; the second die 20 is movably connected to the first die 10, can move along the first die 10, is attached to or separated from the first die 10, and is formed between the second die and the first die 10 for forming the die cavity 30 of the support frame 400; the plastic in the molten state is injected from the injection port 11, and the plastic in the molten state enters the mold cavity 30 through the first runner 142 and the second runner 161, so that the support frame 400 is formed in the mold cavity 30, the operation is very convenient, the manufacturing cost is reduced, and the forming efficiency is high.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the positional relationships illustrated in the drawings, and are only for convenience of describing the present invention or simplifying the description, but do not indicate specific orientations that must be provided; the operation processes described in the embodiments are not absolute use steps, and may be adjusted accordingly when actually used.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, do not denote any limitation of quantity, but rather denote the presence of at least one of the referenced item, as may be required by the context of the embodiment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides an injection moulding mould of toy little fish which characterized in that includes:

a first die (10) with an injection port (11) at the top;

and the second die (20) is movably connected to the first die (10), can move along the first die (10), is closed or separated from the first die (10), and forms a die cavity (30) for forming the support frame (400) with the first die (10).

2. The injection mold for toy fish as claimed in claim 1, wherein: the first die (10) comprises: a first plate (12) having a first stepped through hole (121) for facilitating the passage of the injection port (11);

four first guide sleeves (13) connected to the first plate (12);

a first outer mold (14) connected to the first plate (12), having a first stepped groove (141) for facilitating penetration of the injection port (11), and having a first runner (142) communicating with the injection port (11);

the four second guide sleeves (15) are connected to the first outer die (14), correspond to the first guide sleeves (13) one by one and are respectively positioned on the same straight line with the central line of the first guide sleeve (13);

a first mold core (16) connected to the first outer mold (14) and having a second flow channel (161); the second runner (161) is in communication with the first runner (142) and with the mold cavity (30);

and a first flange (17) connected to the first plate (12) and disposed at the first stepped through hole (121) for pressing the injection port (11).

3. The injection mold for toy fish as claimed in claim 2, wherein: the second die (20) comprises: a second plate (21);

the two first spacing blocks (22) are symmetrically connected to the second plate (21) and are respectively and vertically arranged with the second plate (21);

a second outer die (23) connected to the first spacer (22) and forming a cavity (24) with the first spacer (22) and the second plate (21);

four first guide post assemblies (25), one end of each first guide post assembly is connected to the first spacer block (22), the other end of each first guide post assembly penetrates through the first spacer block (22) and the second outer die (23), and the four first guide post assemblies penetrate into the first guide sleeve (13) and the second guide sleeve (15) in a one-to-one manner and are in clearance fit with the first guide sleeve (13) and the second guide sleeve (15);

and a second mold core (26) connected to the second outer mold (23) and forming the mold cavity (30) with the first mold core (16).

4. The injection mold for toy fish as claimed in claim 3, wherein: -a part of the mould cavity (30) is arranged on the first mould core (16) and another part is arranged on the second mould core (26);

the support frame (400) comprises: the first block (401) is in a cross shape after being projected from the top to the bottom plane, and a second stepped groove (401-1) is formed in the middle of the first block; two first partition plates (402) connected in the second stepped groove (401-1), wherein the first partition plates (402) are provided with V-shaped notches (402-1); the extending plate (403) is in an isosceles trapezoid shape after being projected from the top to the bottom plane, is connected to the side surface of the first block (401), and is provided with a waist-shaped through hole (403-1) in the middle;

the extension plate (403) has a thickness dimension smaller than that of the first block (401).

5. The injection mold for toy fish as claimed in claim 2, wherein: the first overmold (14) includes: a first sub-part (143) attached to the first plate (12); and a second sub-part (144) connected to the first sub-part (143);

the first flow passage (142) includes: a tetragonal channel (142-1); the circular arc-shaped groove (142-2) surrounds one end of the injection port (11) and is arranged at the central part of the tetragonal channel (142-1); a first transition passage (142-3) connected between the tetragonal passage (142-1) and the circular arc groove (142-2) and communicating with the injection port (11); and a second transition passage (142-4) vertically connected to the tetragonal passage (142-1) and communicating with the second flow passage (161);

the square-shaped channel (142-1), the circular arc-shaped groove (142-2) and a part of the first transition channel (142-3) are arranged on the first sub-piece (143), and the other part is arranged on the second sub-piece (144);

the second transition passage (142-4) is disposed on the second sub-piece (144).

6. The injection mold for toy fish as claimed in claim 3, wherein: further comprising: four second guides (50);

the second guide (50) comprises: a third guide sleeve (51) connecting the first outer die (14) and the first die core (16); a fourth guide sleeve (52) connected to the second outer die (23) and the second die core (26); and one end of the second guide post (53) is connected to the fourth guide sleeve (52), the other end of the second guide post penetrates through the second outer die (23), the second die core (26), the first outer die (14) and the first die core (16), and the second guide post is in clearance fit with the third guide sleeve (51).

7. The injection mold for toy fish as claimed in claim 2, wherein: further comprising: a cooling member (60) disposed on the first mold core (16) and extending out of a side wall of the first outer mold (14);

the cooling member (60) includes: a coolant passage (61) provided on the first mold core (16); and the water nozzle (62) is connected to the first mold core (16) and can penetrate through the side wall of the first outer mold (14).

8. The injection mold for toy fish as claimed in claim 3, wherein: further comprising: an ejector (70) arranged at the cavity (24) and a part of which can penetrate out of the second outer die (23) and the second mold core (26) to eject the support frame (400) out of the mold cavity (30);

the ejector (70) includes: a third plate (71) in contact with a surface of the second plate (21); a fourth plate (72) connected to the third plate (71); one end of each first ejector pin (73) is connected to the fourth plate (72), and the other end of each first ejector pin can penetrate through the second outer die (23) and the second die core (26) and penetrate out of the die cavity (30); and a plurality of reset rods (74), one end of each reset rod is connected to the fourth plate (72), and the other end of each reset rod can penetrate into the second outer die (23) and the second die core (26).

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