CN212684603U

CN212684603U - Side core-pulling mechanism of injection mold

Info

Publication number: CN212684603U
Application number: CN202021177143.7U
Authority: CN
Inventors: 王建华; 谢高轩; 叶小军
Original assignee: Yueqing Langsai Electronic Technology Co ltd
Current assignee: Zhejiang langsai Electronic Technology Co.,Ltd.
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-12
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses an injection mold's side mechanism of loosing core solves the complicated, the more problem of spare part of mechanism structure of loosing core. Including oblique guide pillar and along the gliding slide of X direction, oblique guide pillar runs through and forms sliding fit in the slide, still including the slider and follow the core pulling piece that the Y direction was loosed core, slider and slide fixed connection just follow the slide and slide along the X direction and slide, be provided with the slant track between slider and the core pulling piece, the slant track inclines to the direction of loosing core of core pulling piece from the moving direction of slider, slider and core pulling piece form the inclined plane cooperation through the slant track, the one end of core pulling piece has the shaping and moulds a trompil and grooved shaping portion. The slide motion is driven to the guide pillar to one side during the die sinking, and the slider slides along the X direction, and core pulling piece then looses the core along the Y direction because of the slant track effect down, looses the core and goes on simultaneously at the drawing of patterns, only needs the die joint once, and spare part reduces by a wide margin, simple structure, and the operation is swift, and mould cost reduction.

Description

Side core-pulling mechanism of injection mold

Technical Field

The utility model belongs to the technical field of the injection mold and specifically relates to an injection mold's side mechanism of loosing core.

Background

Nowadays, an injection mold is a common mold for molding plastic parts, and plastic parts in various forms can be molded through the injection mold so as to meet various requirements of people. And because of various technological requirements of the plastic part, structures such as holes or grooves need to be formed in the side wall of the plastic part, and correspondingly, the injection mold is provided with a corresponding side core-pulling mechanism so as to perform side core-pulling and ejection actions on the molded product by means of the side core-pulling mechanism in the mold opening process, thereby achieving the purpose of forming the structures such as the holes or the grooves in the plastic part.

As shown in figure 1, the plastic part has holes in the corners, and the holes are provided with slots, the direction of the holes is X direction, and the direction of the slots is Y direction.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an injection mold's side mechanism of loosing core solves the complicated, the more problem of spare part of mechanism structure of loosing core.

The technical scheme of the utility model: including oblique guide pillar and along the gliding slide of X direction, oblique guide pillar runs through and forms sliding fit in the slide, still including the slider and follow the part of loosing core that the Y direction was loosed core, slider and slide fixed connection just follow the slide and slide along the X direction and slide, be provided with the slant track between slider and the part of loosing core, the slant track inclines to the direction of loosing core from the moving direction of slider, slider and the part of loosing core form the inclined plane cooperation through the slant track, the one end of loosing core has the shaping and moulds a trompil and grooved shaping portion.

By adopting the technical scheme, the oblique guide post drives the sliding seat to move during die opening, the sliding block slides along the X direction, the core pulling element pulls core along the Y direction under the action of the oblique track, core pulling is carried out simultaneously in demoulding, only one parting surface is needed, spare parts are greatly reduced, the structure is simple, the operation is rapid, and the die cost is reduced.

The utility model discloses a further setting: the inclined rail comprises a dovetail groove and a dovetail edge, and the dovetail edge is inserted into the dovetail groove to form sliding fit.

By adopting the further arrangement, the dovetail groove and the dovetail edge can be mutually matched in a sliding manner, and have the limiting effect and reasonable and effective design.

The utility model discloses a further setting again: the sliding block and the core piece are provided with guide rail plates at the peripheries, guide rail holes for accommodating the sliding block and the core piece are formed in the guide rail plates, the guide rail holes are formed along the X direction, the guide rail plates are fixedly connected with the sliding seat through an I-shaped piece, and the side surface of each guide rail plate is provided with a side surface forming part for forming one side surface of the plastic piece.

By adopting the above further arrangement, the guide rail hole has a guiding function on the slide block, the slide block and the core-pulling piece are prevented from being separated, and the guide rail plate is reasonably utilized to have a forming function.

The utility model discloses a still further set up: the core pulling piece is provided with a guide rail structure arranged along the Y direction.

With the above still further arrangement for guiding the core-pulling element.

Drawings

FIG. 1 is a schematic structural diagram of the background art of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic view of a part of the structure of an embodiment of the present invention;

the core drawing device comprises an inclined guide post 1, a sliding seat 2, a sliding block 3, a core drawing part 4, an inclined track 5, a dovetail edge 51, a plastic part 6, a forming part 41, a guide rail plate 7, a guide rail hole 71, an I-shaped part 72, a side forming part 73 and a guide rail structure 42.

Detailed Description

As shown in fig. 2 and 3, the side core pulling mechanism of the injection mold comprises an inclined guide post 1, a sliding seat 2 sliding along the X direction, a sliding block 3 and a core pulling member 4 pulling along the Y direction, wherein the inclined guide post 1 penetrates through the sliding seat 2 to enable the sliding seat 2 to slide along the X direction when the sliding seat 2 is opened, the sliding block 3 is screwed on the sliding seat 2 by inserting a bolt member into the sliding seat 2, and the sliding block 3 is enabled to slide along the X direction along with the sliding seat 2. An inclined track 5 is arranged between the slider 3 and the core-pulling part 4, the inclined track 5 inclines from the moving direction of the slider 3 to the core-pulling direction of the core-pulling part 4, the inclination angle is determined according to the core-pulling distance required and is usually larger than 10 degrees, the slider 3 and the core-pulling part 4 form inclined plane matching through the inclined track 5, the inclined track 5 comprises a dovetail groove located on the core-pulling part 4 and a dovetail edge 51 located on the slider 3, and the dovetail edge 51 is inserted into the dovetail groove to form sliding matching. One end of the core-pulling piece 4 is provided with a forming part 41 of the forming plastic piece 6 with a hole and a groove. When the mold is opened, the oblique guide post drives the sliding seat 2 and the sliding block 3 to slide along the X direction, and the dovetail edge 51 slides in the dovetail groove to force the core-pulling piece 4 matched with the oblique surface of the sliding block 3 to perform core-pulling movement towards the Y direction. The dovetail groove and the dovetail edge 51 in the shape of the dovetail can form sliding fit and can limit the position.

The peripheries of the sliding block 3 and the core pulling part 4 are provided with guide rail plates 7, guide rail holes 71 for accommodating the sliding block 3 and the core pulling part 4 are formed in the guide rail plates 7, the guide rail holes 71 are formed along the X direction, the guide rail plates 7 are fixedly connected with the sliding seat 2 through a workpiece 72, two ends of the workpiece 72 are respectively inserted into the guide rail plates 7 and the sliding seat 2, and the guide rail plates 7 and the sliding seat 2 are respectively provided with T-shaped holes matched with the workpiece 72. The guide rail hole 71 has a guiding function for the slider 3, and prevents the slider 3 and the core back member 4 from being separated. The side surface of the guide rail plate 7 is provided with a side surface forming part 73 for forming one side surface of the plastic part 6, and the guide rail plate 7 is reasonably utilized to ensure that the guide rail plate 7 has a forming function.

The core-pulling piece 4 is provided with a guide rail structure 42 arranged along the Y direction, the guide rail structure 42 may be a rib, and a fixed groove is provided at the position of the rib, so that the rib is guided and slides in the groove.

Claims

1. The utility model provides an injection mold's side mechanism of loosing core, is including oblique guide pillar and along the gliding slide of X direction, oblique guide pillar runs through and forms sliding fit, its characterized in that in the slide: still including the slider and along the piece of loosing core that the Y direction was loosed core, the slider slides along the X direction with slide fixed connection and follow the slide, be provided with the slant track between slider and the piece of loosing core, the slant track is from the moving direction of slider to the direction slope of loosing core of the piece of loosing core, slider and the piece of loosing core form the inclined plane cooperation through the slant track, the one end of the piece of loosing core has the shaping and moulds a trompil and grooved shaping portion.

2. The side core pulling mechanism of the injection mold according to claim 1, characterized in that: the inclined rail comprises a dovetail groove and a dovetail edge, and the dovetail edge is inserted into the dovetail groove to form sliding fit.

3. The side core pulling mechanism of the injection mold according to claim 1 or 2, characterized in that: the sliding block and the core piece are provided with guide rail plates at the peripheries, guide rail holes for accommodating the sliding block and the core piece are formed in the guide rail plates, the guide rail holes are formed along the X direction, the guide rail plates are fixedly connected with the sliding seat through an I-shaped piece, and the side surface of each guide rail plate is provided with a side surface forming part for forming one side surface of the plastic piece.

4. The side core pulling mechanism of the injection mold according to claim 1 or 2, characterized in that: the core pulling piece is provided with a guide rail structure arranged along the Y direction.