CN213675292U

CN213675292U - Multi-angle inclined inner core-pulling type die

Info

Publication number: CN213675292U
Application number: CN202021960453.6U
Authority: CN
Inventors: 杨建军; 吴明峰; 杨建兵
Original assignee: Kunshan Dixiang Molding Technology Co ltd
Current assignee: Kunshan Dixiang Molding Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-07-13
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a multi-angle slant internal core-pulling type mould, which comprises a top plate, an upper template, a lower backing plate, mould feet and a bottom plate which are sequentially stacked from top to bottom, wherein an upper mould core is arranged in the upper template, and a lower mould core is arranged in the lower template; the device also comprises a guide post fixing seat, an inclined guide post, a side insert, a first pull rod and a second pull rod; the side insert is positioned at one end of the inclined slide block, and the inclined guide post obliquely penetrates through a through hole in the inclined slide block; the first pull rod is connected with the lower backing plate through a lower connecting screw, a first lower insert is arranged on the first pull rod, the second pull rod is connected with the lower backing plate through another lower connecting screw, and a second lower insert is arranged on the second pull rod. The utility model discloses in narrow and small inseparable mould space, set up the slant of special, a plurality of angle and loose core, the core of the BOSS post of a plurality of angles on the same casing part when realizing the die sinking ensures the harmless drawing of patterns blanking of part.

Description

Multi-angle inclined inner core-pulling type die

Technical Field

The utility model relates to an injection mold, concretely relates to core-pulling formula mould in multi-angle slant.

Background

The housing parts of the product are mostly fixedly connected by screws, and therefore, the inner side of the housing is mostly provided with BOSS columns for fixing and accommodating the screws.

When the axis direction of the BOSS column is parallel to the mold opening direction, the structure of the BOSS column can be directly formed by the mold core. When a certain included angle is formed between the axial direction of the BOSS column and the mold opening direction, the mold opening is realized by adopting a sliding block or an insert block.

However, when there are BOSS columns of multiple angles on the same casing part, the nondestructive demolding and blanking of the part cannot be realized by adopting the conventional slide block core pulling structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a core-pulling type mould in multi-angle slant sets up the slant of special, a plurality of angle and looses the core in narrow and small inseparable mould space, and the BOSS post of a plurality of angles on the same casing part looses core when realizing the die sinking, ensures the harmless drawing of patterns blanking of part.

In order to achieve the above object, the present invention provides the following technical solutions:

a multi-angle oblique inner core-pulling type die comprises a top plate, an upper die plate, a lower backing plate, die feet and a bottom plate which are sequentially stacked from top to bottom, wherein an upper die core is arranged in the upper die plate, and a lower die core is arranged in the lower die plate; the device also comprises a guide post fixing seat, an inclined guide post, a side insert, a first pull rod and a second pull rod; the guide post fixing seat is connected with the upper template through an upper connecting screw, the inclined guide post is positioned in the guide post fixing seat, the side insert is positioned at one end of the inclined sliding block, and the inclined guide post obliquely penetrates through a through hole in the inclined sliding block; the first pull rod is connected with the lower backing plate through a lower connecting screw, a first lower insert is arranged on the first pull rod, the second pull rod is connected with the lower backing plate through another lower connecting screw, and a second lower insert is arranged on the second pull rod.

Furthermore, the guide pillar fixing seat is located between the upper die plate and the lower die plate, the inclined guide pillar is specifically located in a countersunk hole in the guide pillar fixing seat, and the bottom end of the guide pillar fixing seat is in contact with the inclined sliding block and the side insert block.

Further, the side insert is positioned between the upper die core and the lower die core, and the side insert is obliquely arranged relative to the horizontal plane; and a spring is arranged in a hole at one end of the inclined sliding block facing the lower die core.

Furthermore, the first pull rod and the second pull rod vertically penetrate through the lower base plate and the lower template, and the first lower insert and the second lower insert are located in the lower die core.

Furthermore, the first lower insert is positioned at the top end of the first pull rod and is movably connected with a chute at the top end of the first pull rod through a pin shaft; the second lower insert is positioned at the top end of the second pull rod and is movably connected with the sliding groove at the top end of the second pull rod through another pin shaft.

The utility model has the advantages that: the utility model provides a core-pulling type mould in multi-angle slant sets up the slant of special, a plurality of angles and looses core in narrow and small inseparable mould space, inserts including oblique slider, side, first pull rod, first insert, second pull rod and second insert down, and the BOSS post of a plurality of angles on the same casing part looses core when realizing the die sinking, accomplishes and steps down to can ensure the harmless drawing of patterns blanking of part.

Drawings

Fig. 1 is the utility model relates to an overall structure cross-sectional view of core-pulling formula mould in multi-angle slant.

Fig. 2 is a schematic view of a portion of the structure shown in fig. 1.

Fig. 3 is the utility model relates to a multi-angle slant interior core pulling mold's part side's an axonometric drawing of structure of loosing core.

Fig. 4 is the utility model relates to a multi-angle slant interior core pulling mold's part bottom loose core structure's axonometric drawing.

In the figure: 1. a top plate; 2. mounting a template; 3. a lower template; 4. a lower base plate; 5. a mould leg; 6. a base plate; 7. an upper die core; 8. a lower die core; 9. an upper connecting screw; 10. a guide post fixing seat; 11. an inclined guide post; 12. an inclined slide block; 13. a side insert; 14. a lower connecting screw; 15. a first pull rod; 16. a first lower insert; 17. a second pull rod; 18. a second lower insert; 19. a spring; 20. and (7) a pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 4, a multi-angle inclined inward core-pulling type mold comprises a top plate 1, an upper template 2, a lower template 3, a lower backing plate 4, mold feet 5 and a bottom plate 6 which are sequentially stacked from top to bottom, wherein an upper mold core 7 is arranged in the upper template 2, and a lower mold core 8 is arranged in the lower template 3; the device also comprises a guide post fixing seat 10, an inclined guide post 11, a side insert 13, a first pull rod 15 and a second pull rod 17; the guide post fixing seat 10 is connected with the upper template 2 through an upper connecting screw 9, the inclined guide post 11 is positioned in the guide post fixing seat 10, the side insert 13 is positioned at one end of the inclined slide block 12, the side insert 13 is used for realizing injection molding and core pulling of a structure on the side surface of a shell part, and the inclined guide post 11 obliquely penetrates through a through hole in the inclined slide block 12; the first pull rod 15 is connected with the lower backing plate 4 through a lower connecting screw 14, a first lower insert 16 is arranged on the first pull rod 15, the second pull rod 17 is connected with the lower backing plate 4 through another lower connecting screw 14, and a second lower insert 18 is arranged on the second pull rod 17; the first lower insert 16 and the second lower insert 18 are respectively used for realizing injection molding and core pulling of BOSS columns in different directions at the bottom of the shell part.

The guide pillar fixing seat 10 is located between the upper template 2 and the lower template 3, the inclined guide pillar 11 is specifically located in a countersunk hole in the guide pillar fixing seat 10, the bottom end of the guide pillar fixing seat 10 is in contact with the inclined slide block 12 and the side insert block 13, and the inclined guide pillar 11 is used for driving the inclined slide block 12 to move.

The side insert 13 is positioned between the upper die core 7 and the lower die core 8, and the side insert 13 is arranged in an inclined manner relative to the horizontal plane; a spring 19 is arranged in a hole at one end of the inclined slide block 12 facing the lower die core 8, and the spring 19 is used for applying continuous elastic force to the inclined slide block 12 to ensure that the inclined slide block 12 moves towards the direction far away from the lower die core when the die is opened.

The first pull rod 15 and the second pull rod 17 vertically penetrate through the lower cushion plate 4 and the lower template 3, and the first lower insert 16 and the second lower insert 18 are located in the lower die core 8.

The first lower insert 16 is positioned at the top end of the first pull rod 15, and the first lower insert 16 is movably connected with a chute at the top end of the first pull rod 15 through a pin shaft 20; the second lower insert 18 is located at the top end of the second pull rod 17, and the second lower insert 18 is movably connected with a sliding groove at the top end of the second pull rod 17 through another pin shaft 20.

The utility model discloses a theory of operation does: in the process of opening the mold after injection molding, the injection molding machine drives the top plate 1 and the upper mold plate 2 to be separated from the lower mold plate 3, the upper connecting screw 9 drives the guide pillar fixing seat 10 to move together with the upper mold plate 2, the inclined slide block 12 is driven to move towards the direction far away from the lower mold core 8 through the inclined guide pillar 11, the side insert block 13 and the inclined slide block 12 move together, and core-pulling abdicating of the side surface of the part is realized; then the lower template 3 is separated from the lower backing plate 4, the lower connecting screw 14 drives the first pull rod 15 and the second pull rod 17 to move relatively relative to the lower template 3, and under the combined action of the sliding grooves at the top ends of the first pull rod 15 and the second pull rod 17 and the pin shaft 20, the first lower insert 16 and the second lower insert 18 move obliquely downwards relative to the shell part, so that core-pulling abdicating is realized; and finally, driving the ejector plate to move by an injection molding machine, and ejecting the shell part by an ejector pin to finish nondestructive demolding and blanking.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. A multi-angle oblique inner core-pulling type die comprises a top plate (1), an upper die plate (2), a lower die plate (3), a lower backing plate (4), die feet (5) and a bottom plate (6) which are sequentially stacked from top to bottom, wherein an upper die core (7) is arranged in the upper die plate (2), and a lower die core (8) is arranged in the lower die plate (3); the method is characterized in that: the device also comprises a guide post fixing seat (10), an inclined guide post (11), a side insert (13), a first pull rod (15) and a second pull rod (17); the guide post fixing seat (10) is connected with the upper template (2) through an upper connecting screw (9), the inclined guide post (11) is positioned in the guide post fixing seat (10), the side insert (13) is positioned at one end of the inclined sliding block (12), and the inclined guide post (11) obliquely penetrates through a through hole in the inclined sliding block (12); the first pull rod (15) is connected with the lower backing plate (4) through a lower connecting screw (14), a first lower insert (16) is arranged on the first pull rod (15), the second pull rod (17) is connected with the lower backing plate (4) through another lower connecting screw (14), and a second lower insert (18) is arranged on the second pull rod (17).

2. The multi-angle slant core-pulling type mold according to claim 1, wherein: the guide post fixing seat (10) is located between the upper template (2) and the lower template (3), the inclined guide post (11) is specifically located in a countersunk hole in the guide post fixing seat (10), and the bottom end of the guide post fixing seat (10) is in contact with the inclined sliding block (12) and the side insert (13).

3. The mold of claim 2, wherein: the side insert (13) is positioned between the upper die core (7) and the lower die core (8), and the side insert (13) is obliquely arranged relative to the horizontal plane; and a spring (19) is arranged in a hole at one end of the lower die core (8) facing the inclined slide block (12).

4. The multi-angle slant core-pulling type mold according to claim 3, wherein: the first pull rod (15) and the second pull rod (17) vertically penetrate through the lower base plate (4) and the lower template (3), and the first lower insert (16) and the second lower insert (18) are located in the lower die core (8).

5. The mold of claim 4, wherein: the first lower insert (16) is positioned at the top end of the first pull rod (15), and the first lower insert (16) is movably connected with a sliding groove at the top end of the first pull rod (15) through a pin shaft (20); the second lower insert (18) is positioned at the top end of the second pull rod (17), and the second lower insert (18) is movably connected with a sliding groove at the top end of the second pull rod (17) through another pin shaft (20).