CN219325497U

CN219325497U - Bicolor oblique ejection die

Info

Publication number: CN219325497U
Application number: CN202320327908.8U
Authority: CN
Inventors: 宋海超; 金丹; 姚康康
Original assignee: Fengwu Optoelectronics Suzhou Co ltd
Current assignee: Fengwu Optoelectronics Suzhou Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-11
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a bicolor oblique ejection die, which comprises a first color die and a second color die; the first color mold comprises a first female mold component and a first male mold component which are matched with each other, the first female mold component comprises a first female mold plate, a first female mold core connected with the first female mold plate, and a top plate positioned on the first female mold plate and far away from the first female mold core, and the first male mold component comprises a first male mold plate and a first male mold core connected with the first male mold plate; still include oblique ejector pin, oblique ejector pin one end is articulated with the roof, the oblique ejector pin other end passes first female die board and first female die benevolence for first female die benevolence, first public mould benevolence and oblique ejector pin constitute first color chamber jointly, the oblique ejector pin includes straight line section, first oblique section and second oblique section by roof to first female die benevolence one end in proper order, the inclination of second oblique section is greater than the inclination of first oblique section, the oblique ejector pin simple structure in this structure, occupation space is little, is fit for the product that the product is little and needs to push up to one side more to one side.

Description

Bicolor oblique ejection die

Technical Field

The utility model relates to the field of dies, in particular to a bicolor oblique ejection die.

Background

In the field of moulds, injection-molded products are ejected out by using an inclined ejection mechanism, and the conventional inclined ejection mechanism generally comprises an inclined ejection body, an inclined ejection seat and an inclined ejection guide block. During ejection, ejection force acts on the inclined ejection seat, the inclined ejection seat moves upwards along the inclined ejection guide block, and because the inclined ejection body and the inclined ejection seat are assembled by the T-shaped groove, the inclined ejection body moves backwards along one direction while being ejected upwards, so that the effects of reversely buckling, demoulding and ejection on a product are achieved, but the common inclined ejection mechanism has more parts and large machining accumulated error; the whole occupied space is large, and the inclined roofs are easy to interfere with each other when being more dense; the assembly with the die carrier is troublesome.

Disclosure of Invention

The utility model solves the technical problem of providing a bicolor oblique ejection die which occupies small space and is suitable for small products.

The technical scheme adopted for solving the technical problems is as follows: the bicolor oblique ejection die comprises a first color die and a second color die;

the first color mold comprises a first female mold component and a first male mold component which are matched with each other, the first female mold component comprises a first female mold plate, a first female mold core connected with the first female mold plate, and a top plate positioned on the first female mold plate and far away from the first female mold core, and the first male mold component comprises a first male mold plate and a first male mold core connected with the first male mold plate;

the novel mold comprises a first female mold core, a first inclined section, a second inclined section, a first ejector rod, a second ejector rod, a first through groove and a second through groove, wherein the first through groove and the second through groove are formed in the first female mold core and the first female mold core;

the second color mold comprises a second female mold component and a second male mold component which are matched with each other, the second female mold component comprises a second female mold plate and a second female mold core connected with the second female mold plate, the second male mold component comprises a second male mold plate and a second male mold core connected with the second male mold plate, when the second female mold core and the second male mold core or the first male mold core are matched with each other, a first color product produced by the second female mold core and the first color cavity forms a second color cavity, and a second injection molding runner communicated with the second color cavity is arranged on the second female mold component.

Further is: the slope of the second inclined section=the slope of the first inclined section+0.5 to 2 °.

Further is: the first female die assembly further comprises a first heat flow plate located above the first female die plate, the first female die plate and the first heat flow plate are connected in a sliding mode through guide posts, a first guide block is arranged on one side of the first female die plate, a first guide hole and a second guide hole are formed in the first guide block, a first insert block matched with the first guide hole is arranged on the first male die plate, a first inclined surface is arranged at the top end of the first insert block, and a second insert block matched with the second guide hole is arranged on the first heat flow plate.

Further is: the second female die assembly further comprises a second heat flow plate located above the second female die plate, the second female die plate and the second heat flow plate are connected in a sliding mode through guide posts, a second guide block is arranged on one side of the second female die plate, a third guide hole and a fourth guide hole are formed in the second guide block, a second insert block matched with the third guide hole is arranged on the second male die plate, a second inclined plane is arranged at the top end of the second insert block, and a fourth insert block matched with the fourth guide hole is arranged on the second heat flow plate.

The inclined ejector rod in the structure has the beneficial effects of simple structure, small occupied space, suitability for small products and the need of products with more inclined ejection, and accurate die assembly of the upper die plate and the lower die plate can be realized by the matched arrangement of the guide blocks and the insert blocks in the structure.

Drawings

Fig. 1 is a schematic structural diagram of a dual-color oblique ejection mold according to an embodiment of the present application.

Fig. 2 is a schematic diagram of an internal structure of a dual-color oblique ejection mold according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a clamping state of an oblique ejection structure of a dual-color oblique ejection mold according to an embodiment of the present application.

Fig. 4 is a schematic diagram of a mold opening state of an oblique ejection structure of a dual-color oblique ejection mold according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a guiding mold clamping assembly of an oblique ejection structure of a dual-color oblique ejection mold according to an embodiment of the present application.

Marked in the figure as: the first female die assembly 1, the first male die assembly 2, the first female die plate 3, the first female die core 4, the top plate 5, the inclined ejector rod 6, the first through groove 7, the second through groove 8, the straight line section 9, the first inclined section 10, the second inclined section 11, the raised step end point 12, the second female die assembly 13, the second male die assembly 14, the second female die plate 15, the first heat flow plate 16, the first guide block 17, the first insert block 18, the second insert block 19, the first inclined surface 20, the first guide hole 21 and the second guide hole 22.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 1, an embodiment of the present application discloses a two-color oblique ejection die, including a first color die and a second color die;

the first color mold comprises a first female mold component 1 and a first male mold component 2 which are matched with each other, the first female mold component 1 comprises a first female mold plate 3, a first female mold core 4 connected with the first female mold plate 3, and a top plate 5 positioned on the first female mold plate 3 far away from the first female mold core 4, and the first male mold component 2 comprises a first male mold plate and a first male mold core connected with the first male mold plate;

the first female die plate 3 and the first female die core 4 are internally provided with a first through groove 7 and a second through groove 8, the second through groove 8 is internally provided with a raised step, the other end of the inclined ejector rod 6 penetrates through the first female die plate 3 and the first female die core 4, so that the first female die core 4, the first male die core and the inclined ejector rod 6 jointly form a first color cavity, the inclined ejector rod 6 sequentially comprises a straight line section 9, a first inclined section 10 and a second inclined section 11 from the top plate 5 to one end of the first female die core 4, the inclination of the second inclined section 11 is larger than that of the first inclined section 10, when the die is closed, the second inclined section 11 is in contact with a raised step end point 12, when the inclined ejector rod 6 is ejected, the first inclined section 10 is in contact with the raised step end point 12, the top plate 5 further comprises a top plate 5 driving mechanism for driving the top plate 5 to do lifting movement, and the first female die assembly 1 is provided with a first injection molding runner communicated with the first color cavity;

the second color mold comprises a second female mold component 13 and a second male mold component 14 which are matched with each other, the second female mold component 13 comprises a second female mold plate 15 and a second female mold core connected with the second female mold plate 15, the second male mold component 14 comprises a second male mold plate and a second male mold core connected with the second male mold plate, when the second female mold core and the second male mold core or the first male mold core are matched, a first color product produced by the second female mold core and the first color cavity forms a second color cavity, and a second injection molding runner communicated with the second color cavity is arranged on the second female mold component 13.

It should be explained that the cavity structure of the second male mold core is the same as the cavity structure of the first male mold core.

Specifically, during operation, the first female die component 1 and the first male die component 2 of the first color die are clamped, at this time, the first female die core 4, the first male die core and the inclined ejector rod 6 jointly form a first color die cavity, at this time, the second inclined section 11 of the inclined ejector rod 6 interferes with the raised step end point 12, then injection molding liquid is injected into the first injection runner, so that the injection molding liquid enters the first color die cavity, and is solidified and molded in the first color die cavity, after molding, the first female die component 1 and the first male die component 2 are demolded, at the same time, the top plate 5 driving mechanism drives the top plate 5 to move towards the first female die core 4, so that the inclined ejector rod 6 moves towards the first male die core, during the movement of the inclined ejector rod 6, the first inclined section 10 of the inclined ejector rod 6 interferes with the raised step end point 12, the oblique ejector rod 6 is ejected, and simultaneously rotates around the hinging point of the oblique ejector rod 6 and the ejector rod in a small amplitude, namely the tail end of the oblique ejector rod 6 moves towards the outer side direction of a product, so that the product is separated from the first female die core 4 and is left in the first male die core, then the first female die assembly 1 and the second female die assembly 13 rotate to exchange positions, the second female die assembly 13 and the first male die assembly 2 are matched with each other, at the moment, the second female die core and the first color product produced by the first color cavity form a second color cavity, then injection molding is carried out in a second injection molding runner, the injection molding liquid forms a second color product in the second color cavity, and after injection molding is finished, the second female die assembly 13 and the second male die assembly 14 are demoulded, so that injection molding of the whole two-color product is finished.

Above-mentioned product is located public mould one side and is the outward appearance face of product, and oblique ejector pin 6 contact side is the medial surface of product, and the indent appears in the outward appearance face of product can be prevented to this kind of setting, multistage formula design in oblique ejector pin 6 simultaneously, through the interference with first master model benevolence 4, realizes ejecting on one side of oblique ejector pin 6, realizes rotatory by a small margin simultaneously to when making the drawing of patterns, can not produce the damage to the back-off on the product, simultaneously, oblique ejector pin simple structure in this structure, occupation space is little, is fit for the product that the product is little and need the oblique many products of top.

In this embodiment, the slope of the second inclined section 11=the slope of the first inclined section 10+0.5 to 2°, for example, the slope of the second inclined section 11 is 85 °, the slope of the first inclined section 10 may be 84 °, and the specific slope may be set according to the actual situation.

The setting of the inclination can realize the demoulding operation and the requirement of small occupied space.

In this embodiment, the driving mechanism of the top plate 5 is a cylinder fixed on the first master template 3, and an output shaft of the cylinder is fixedly connected with the top plate 5.

In specific work, the cylinder drives the top plate 5 to move so as to drive the inclined ejection operation of the inclined ejection rod 6, and the cylinder can also be replaced by an oil cylinder and other structures.

In this embodiment, the first female mold assembly 1 further includes a first heat flow plate 16 located above the first female mold plate 3, the first female mold plate 3 and the first heat flow plate 16 are slidably connected through guide posts, a first guide block 17 is disposed on one side of the first female mold plate 3, a first guide hole 21 and a second guide hole 22 are disposed in the first guide block 17, a first insert block 18 matched with the first guide hole 21 is disposed on the first male mold plate, a first inclined plane 20 is disposed at the top end of the first insert block 18, and a second insert block 19 matched with the second guide hole 22 is disposed on the first heat flow plate 16;

the second female die assembly 13 further comprises a second heat flow plate located above the second female die plate 15, the second female die plate 15 and the second heat flow plate are connected in a sliding mode through guide posts, a second guide block is arranged on one side of the second female die plate 15, a third guide hole and a fourth guide hole are formed in the second guide block, a second insert 19 matched with the third guide hole is arranged on the second male die plate, a second inclined plane is arranged at the top end of the second insert 19, and a fourth insert matched with the fourth guide hole is arranged on the second heat flow plate.

Specifically, the mold clamping operation of the first female mold assembly 1 and the first male mold assembly 2 is the same as the mold clamping operation of the second female mold assembly 13 and the second male mold assembly 14, and the mold clamping operation of the second female mold assembly 13 and the second male mold assembly 14 is the same, and the mold clamping operation of the first female mold assembly 1 and the first male mold assembly 2 will be explained below.

Specifically, when the mold is closed, the first inclined surface 20 of the first insert block 18 contacts the inner side wall of the first guide hole 21, the first insert block 18 is inserted into the first guide hole 21 by the cooperation guide of the first inclined surface 20 and the inner side wall of the first guide hole 21, then the heat flow plate continues to be pressed down, and the second insert block 19 is inserted into the second guide hole 22.

The arrangement of the structure ensures the accuracy of positioning the first female template 3 and the first male template, and simultaneously ensures the accuracy of positioning the first heat flow plate 16 and the first female template 3, thereby finally ensuring the accuracy of product injection molding.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. Double-colored oblique ejecting mould, its characterized in that: comprises a first color mould and a second color mould;

the first color mold comprises a first female mold component (1) and a first male mold component (2) which are matched with each other, wherein the first female mold component (1) comprises a first female mold plate (3), a first female mold core (4) connected with the first female mold plate (3), a top plate (5) which is positioned on the first female mold plate (3) and far away from the first female mold core (4), and the first male mold component (2) comprises a first male mold plate and a first male mold core connected with the first male mold plate;

the plastic injection molding machine comprises a top plate (5), and is characterized by further comprising an inclined ejector rod (6), wherein one end of the inclined ejector rod (6) is hinged with the top plate (5), a first through groove (7) and a second through groove (8) are formed in the first mother die plate (3) and the first mother die core (4), a raised step is formed in the second through groove (8), the other end of the inclined ejector rod (6) penetrates through the first mother die plate (3) and the first mother die core (4), the first mother die core and the inclined ejector rod (6) jointly form a first color cavity, the inclined ejector rod (6) sequentially comprises a straight line section (9), a first inclined section (10) and a second inclined section (11) from the top plate (5) to one end of the first mother die core (4), the inclination of the second inclined section (11) is larger than that of the first inclined section (10), when the die is closed, the second inclined section (11) is in contact with a raised step end point (12), when the inclined ejector rod (6) is ejected, the first inclined section (10) is in contact with the raised step point (12), and the first inclined section (10) is in contact with the raised end point (5) and is further in communication with the first color cavity (5), and the first color cavity is further driven by the top plate (5) to move, and the top plate is in communication with the first color injection molding mechanism;

the second color die comprises a second female die assembly (13) and a second male die assembly (14) which are matched with each other, the second female die assembly (13) comprises a second female die plate (15) and a second female die core connected with the second female die plate (15), the second male die assembly (14) comprises a second male die plate and a second male die core connected with the second male die plate, when the second female die core and the second male die core or the first male die core are matched, a second color cavity is formed by the second female die core and a first color product produced by the first color cavity, and a second injection molding runner communicated with the second color cavity is arranged on the second female die assembly (13).

2. The two-color oblique ejection die of claim 1, wherein: the slope of the second inclined section (11) =the slope of the first inclined section (10) +0.5-2°.

3. The two-color oblique ejection die of claim 1, wherein: the driving mechanism of the top plate (5) is an air cylinder fixed on the first mother template (3), and an output shaft of the air cylinder is fixedly connected with the top plate (5).

4. The two-color oblique ejection die of claim 1, wherein: the first female die assembly (1) further comprises a first heat flow plate (16) located above the first female die plate (3), the first female die plate (3) and the first heat flow plate (16) are connected in a sliding mode through guide posts, a first guide block (17) is arranged on one side of the first female die plate (3), a first guide hole (21) and a second guide hole (22) are formed in the first guide block (17), a first insertion block (18) matched with the first guide hole (21) is arranged on the first male die plate, a first inclined surface (20) is arranged at the top end of the first insertion block (18), and a second insertion block (19) matched with the second guide hole (22) is arranged on the first heat flow plate (16).

5. The two-color oblique ejection die of claim 1, wherein: the second female die assembly (13) further comprises a second heat flow plate located above the second female die plate (15), the second female die plate (15) and the second heat flow plate are connected in a sliding mode through guide posts, a second guide block is arranged on one side of the second female die plate (15), a third guide hole and a fourth guide hole are formed in the second guide block, a second insert block (19) matched with the third guide hole is arranged on the second male die plate, a second inclined plane is arranged at the top end of the second insert block (19), and a fourth insert block matched with the fourth guide hole is arranged on the second heat flow plate.