CN210525723U

CN210525723U - Paint box injection mold

Info

Publication number: CN210525723U
Application number: CN201921508392.7U
Authority: CN
Inventors: 李彪
Original assignee: Yangzhou Chuangkaixuan Stationery Co Ltd
Current assignee: Yangzhou Chuangkaixuan Stationery Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-15
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a paintbox injection mold. This injection mold includes top fixed plate, water gap board, cope match-plate pattern, lower bolster, cushion, the lower mould fixed plate that top-down set gradually, and the cope match-plate pattern is equipped with mould benevolence, and the lower bolster is equipped with lower mould benevolence, and the cope match-plate pattern upside is equipped with horizontal runner, horizontal runner's both ends are provided with two vertical runners that are parallel to each other respectively, horizontal runner's center is facing to the runner of moulding plastics, vertical runner both ends are equipped with decurrent first logical groove respectively, and first logical groove is linked together with last mould benevolence. The utility model discloses a mouth of moulding plastics is the runner of moulding plastics even, and the runner of moulding plastics is horizontal runner even, and horizontal runner subdivides to two vertical runners, and the both ends of two vertical runners are divided respectively and are had first logical groove, totally four first logical grooves for when moulding plastics, the injection molding material can distribute evenly and inject between the die cavity that last mould benevolence, lower mould benevolence formed, and injection mold overall structure is simple, and it is stable to mould plastics, and the injection moulding effect is more excellent.

Description

Paint box injection mold

Technical Field

The utility model relates to the technical field of mold, in particular to paintbox injection mold.

Background

The pigment box is generally used for containing pigment cups for containing pigments with different colors, and the existing pigment box injection mold injects injection molding materials into a mold cavity through an injection molding flow channel to realize molding injection molding. However, this injection molding method has only one injection runner, which results in a long injection time and may cause uneven injection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure to the not enough of existence among the above-mentioned background art, can realize moulding plastics even paintbox injection mold.

In order to realize the above utility model purpose, the utility model relates to a paintbox injection mold has adopted following technical scheme:

an injection mold for a pigment box comprises an upper mold fixing plate, a water gap plate, an upper mold plate, a lower mold plate, a cushion block and a lower mold fixing plate which are sequentially arranged from top to bottom, wherein the upper mold plate is provided with an upper mold core, the lower mold plate is provided with a lower mold core, the upper mold core faces the lower mold core, a transverse flow channel is arranged at the upper side of the upper mold plate, two longitudinal flow channels which are parallel to each other are respectively arranged at two ends of the transverse flow channel, the center of the transverse flow channel faces an injection flow channel, downward first through grooves are respectively arranged at two ends of the longitudinal flow channel, the first through grooves are communicated with the upper mold core, a second through groove penetrating through the lower mold core and the lower mold plate is arranged at the bottom end of the lower mold core, an ejector sleeve is downwards arranged on the lower mold plate and penetrates through the lower mold plate to be contacted with the lower mold core, the thimble panel and the thimble bottom plate are positioned between the two cushion blocks.

Specifically, the second through groove is U-shaped and comprises a first section, a second section and a third section which are communicated, the second section is arranged in the lower die core, the first section and the third section are arranged in the lower die plate, and the first section and the second section, and the second section and the third section are bent and communicated. The second leads to the groove and leads to the groove for the cooling, and the groove setting of buckling is led to in the cooling for the time extension that the coolant liquid passed through has strengthened the heat transfer effect.

Specifically, the second through grooves are provided with a plurality of, and a plurality of second through grooves are arranged in parallel at the lower end of the lower mold core. The second leads to the groove and leads to the groove for the cooling, and the parallel arrangement that the groove was led to in a plurality of cooling follows further increase to the cooling of lower mould benevolence, increases the cooling effect.

Specifically, the center of the upper die fixing plate is provided with an injection molding port, and the injection molding port is connected with an injection molding runner. The injection molding port is arranged at the central position, so that the injection molding material can uniformly flow to the transverse flow channel and the longitudinal flow channel from the injection molding flow channel, and uniform injection molding is facilitated.

Specifically, guide pillars are arranged at four corners of the lower die fixing plate respectively and penetrate through the cushion block, the lower die plate, the upper die plate, the water gap plate and the upper die fixing plate to play a guiding role.

Specifically, go up the mould benevolence and be equipped with a plurality of archs that the array was evenly laid downwards, lower mould benevolence is equipped with the recess with protruding matched with, go up mould benevolence lower mould benevolence cooperation forms the die cavity of moulding plastics of paintbox. The upper die core and the lower die core are matched to form an injection molding die cavity of the pigment box, so that the pigment box is convenient to form.

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

1. the utility model discloses a mouth of moulding plastics is the runner of moulding plastics even, and the runner of moulding plastics is horizontal runner even, and horizontal runner subdivides to two vertical runners, and the both ends of two vertical runners are divided respectively and are had first logical groove, totally four first logical grooves for when moulding plastics, the injection molding material can distribute evenly and inject between the die cavity that last mould benevolence, lower mould benevolence formed, and injection mold overall structure is simple, and it is stable to mould plastics, and the injection moulding effect is more excellent.

2. The utility model discloses a second leads to groove and cools off the lower mould benevolence for the cooling leads to the groove for the U-shaped shape of bending is set to the second leads to the groove for the time extension that the coolant liquid passes through has strengthened the heat transfer effect.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the upper plate;

fig. 4 is a top view of fig. 3.

The injection molding device comprises an upper mold fixing plate 10, an injection molding opening 11, an injection molding runner 12, a water gap plate 20, a transverse runner 21, a longitudinal runner 22, a first through groove 23, an upper mold plate 30, an upper mold core 31, a lower mold plate 40, a lower mold core 41, a second through groove 42, a cushion block 50, a lower mold fixing plate 60, a thimble panel 71, a thimble bottom plate 72 and a ejector sleeve 80.

Detailed Description

The present invention will be further explained with reference to the following embodiments, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.

As shown in fig. 1 to 4, a pigment box injection mold comprises an upper mold fixing plate 10, a nozzle plate 20, an upper mold plate 30, a lower mold plate 40, a cushion block 50, and a lower mold fixing plate 60, which are sequentially arranged from top to bottom, wherein the upper mold plate 30 is provided with an upper mold core 31, the lower mold plate 40 is provided with a lower mold core 41, the upper mold core faces the lower mold core, the upper side of the upper mold plate 30 is provided with a transverse flow passage 21, two ends of the transverse flow passage are respectively provided with two longitudinal flow passages 22 which are parallel to each other, the center of the transverse flow passage faces an injection flow passage 12, two ends of the longitudinal flow passages 22 are respectively provided with a downward first through groove 23, the first through groove is communicated with the upper mold core, the bottom end of the lower mold core is provided with a second through groove 42 which penetrates through the lower mold core and the lower mold plate, the lower mold core 40 is provided with a cartridge 80 downward, and two ejector pin base plates 72 and two cushion blocks 50 are arranged and arranged on two sides of the lower die fixing plate respectively, and the ejector pin panel and the ejector pin base plates are positioned between the two cushion blocks. Preferably, the second through groove is U-shaped and comprises a first section, a second section and a third section which are communicated, the second section is arranged in the lower die core, the first section and the third section are arranged in the lower die plate, and the first section and the second section, and the second section and the third section are bent and communicated. The second through grooves are provided with a plurality of second through grooves which are mutually parallel and are arranged at the lower end of the lower mold core. An injection molding port 11 is formed in the center of the upper die fixing plate 10, and the injection molding port 11 is connected with an injection molding runner 12. Guide posts are arranged at four corners of the lower die fixing plate 60 and penetrate through the cushion block, the lower die plate, the upper die plate, the water gap plate and the upper die fixing plate to play a role in guiding. The upper die core is downwards provided with a plurality of bulges which are uniformly distributed in an array, the lower die core is provided with a groove matched with the bulges, and the upper die core and the lower die core are matched to form an injection molding die cavity of the pigment box.

The utility model discloses a concrete working process and principle: the injection molding material enters from the injection molding opening, enters the injection molding runner, flows through the transverse runner, flows to the longitudinal runner, and then uniformly flows into a molding cavity between the upper mold core and the lower mold core through the first through groove to perform injection molding; and the lower mold core is cooled by the cooling liquid in the second through groove, so that the formed pigment box is convenient to take out.

Claims

1. The utility model provides a paintbox injection mold, includes top fixed plate, water gap board, cope match-plate pattern, lower bolster, cushion, the lower mould fixed plate that top-down set gradually, its characterized in that: the cope match-plate pattern is equipped with mould benevolence, the lower bolster is equipped with lower mould benevolence, goes up the mould benevolence and faces to lower mould benevolence, the cope match-plate pattern upside is equipped with horizontal runner, horizontal runner's both ends are provided with two vertical runners that are parallel to each other respectively, horizontal runner's center is facing to the runner of moulding plastics, vertical runner both ends are equipped with decurrent first logical groove respectively, and first logical groove is linked together with last mould benevolence, lower mould benevolence bottom is equipped with the second logical groove that runs through lower mould benevolence, lower bolster to having a section of thick bamboo down, a section of thick bamboo passes the lower bolster and contacts with lower mould benevolence, an department section of thick bamboo downside is equipped with thimble panel, thimble bottom plate, the cushion is equipped with two respectively, lay and.

2. The pigment box injection mold of claim 1, wherein: the second through groove is U-shaped and comprises a first section, a second section and a third section which are communicated, the second section is arranged in the lower die core, the first section and the third section are arranged in the lower die plate, and the first section and the second section, and the second section and the third section are bent and communicated.

3. The pigment box injection mold of claim 1, wherein: the second through grooves are provided with a plurality of second through grooves which are mutually parallel and are arranged at the lower end of the lower mold core.

4. The pigment box injection mold of claim 1, wherein: the center of the upper die fixing plate is provided with an injection molding port, and the injection molding port is connected with an injection molding runner.

5. The pigment box injection mold of claim 1, wherein: guide posts are arranged at four corners of the lower die fixing plate respectively and penetrate through the cushion block, the lower die plate, the upper die plate, the water gap plate and the upper die fixing plate to play a role in guiding.

6. The pigment box injection mold of claim 1, wherein: the upper die core is downwards provided with a plurality of bulges which are uniformly distributed in an array, the lower die core is provided with a groove matched with the bulges, and the upper die core and the lower die core are matched to form an injection molding die cavity of the pigment box.