CN213860528U

CN213860528U - Core pulling device for inner sliding block on rear mold side

Info

Publication number: CN213860528U
Application number: CN202022412269.4U
Authority: CN
Inventors: 黄立恒; 古小辉
Original assignee: XIAMEN JINWAY MOULD CO Ltd
Current assignee: XIAMEN JINWAY MOULD CO Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-03
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a slider device of loosing core in back mould side, including back template, backing plate and back mould benevolence, be equipped with the backing plate below the back template, an at least back mould benevolence of installation on the back template, back mould benevolence is equipped with interior slider, and interior slider passes the shaping district that back mould benevolence extends to back mould benevolence, and the tip of interior slider forms inclined plane shaping portion, and interior slider includes fixed slider and removal slider, and wherein fixed slider links with the back template, removes the slider and is connected with the backing plate, during the die sinking, thereby back template and backing plate part drive interior slider loose core. The utility model discloses a slider in back mould benevolence increases, and the slider is loosed core earlier during the drawing of patterns, then ejecting product has advantages such as rational in infrastructure, production efficiency height.

Description

Core pulling device for inner sliding block on rear mold side

Technical Field

The utility model discloses a slider device of loosing core in back mould side according to international patent classification table (IPC) division and belongs to mould manufacturing technical field.

Background

As shown in fig. 1, an injection molded part M has a slope groove M1 on the bottom surface, and at present, when a mold is used for production, the rear mold core is integrally formed, so that the problem of difficult demolding and the like is easily caused.

Disclosure of Invention

Not enough to prior art, the utility model provides a slider device of loosing core in back mould side through increasing the inclined plane slider, looses core earlier during the die sinking back ejecting product, solves the problem of drawing of patterns difficulty.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a slider device of loosing core in back mould side, includes the back template, backing plate and back mould benevolence, be equipped with the backing plate below the back template, an at least back mould benevolence of installation on the back template, the back mould benevolence is equipped with interior slider, interior slider passes the shaping district that the back mould benevolence extends to back mould benevolence, the tip of interior slider forms inclined plane shaping portion, interior slider is including fixed slider and removal slider, wherein fixed slider and the linkage of back template, it is connected with the backing plate to remove the slider, during the die sinking, thereby back template and backing plate are separately driven interior slider and are loosed core.

Furthermore, a first rear die core and a second rear die core are arranged on the rear template.

Furthermore, the fixed sliding block and the movable sliding block are connected in a sliding mode through dovetail grooves, bulges are arranged on two sides of the fixed sliding block respectively, one side of each bulge is matched with a sliding block pressing strip, the sliding block pressing strip is linked with the rear template, and the movable sliding block penetrates through the rear template and is connected with the base plate.

Furthermore, the rear die core is provided with a positioning wave bead, and the side surface of the fixed sliding block is provided with a positioning hole matched with the positioning wave bead.

Further, the molding area of the rear mold core is provided with ejector pins for ejecting products, the ejector pins are matched with ejector pin panels and ejector pin bottom plates, the ejector pin panels and the ejector pin bottom plates are sequentially arranged below the base plate, the bottom plates are arranged below the ejector pin bottom plates, and the rear mold plate, the base plate, the ejector pin panels, the ejector pin bottom plates and the bottom plates form a rear mold part.

Furthermore, the guide posts are installed at four corners of the rear template, the rear template is matched with the front template through the guide posts, a front mold core matched with the rear mold core is arranged on the front template, the front mold core, the rear mold core and the inner slide block are matched to form a product, a panel is arranged on one side of the front template, and the front template and the panel form a front mold part.

The utility model discloses a slider in back mould benevolence increases, and the slider is loosed core earlier during the drawing of patterns, then ejecting product has advantages such as rational in infrastructure, production efficiency height.

Drawings

FIG. 1 is a schematic view of a prior art injection molded part.

Fig. 2 is a cross-sectional view of the utility model.

Fig. 3 is a schematic view of an embodiment of the present invention.

Fig. 4 is a schematic view of the rear mold insert and the inner slide block of the present invention.

Fig. 5 is a schematic view of the inner slide block and the molded product of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

example (b): referring to fig. 1 to 5, a core pulling device for a rear mold side inner slide block comprises a rear mold plate 3, a backing plate 4 and a rear mold core 8, wherein the backing plate 4 is arranged below the rear mold plate 3, at least one rear mold core 8 is arranged on the rear mold plate 3, the rear mold core 8 is provided with an inner slide block 9, the inner slide block 9 penetrates through the rear mold core and extends to a forming area of the rear mold core, an inclined plane forming part is formed at the end part of the inner slide block 9, the inner slide block 9 comprises a fixed slide block 91 and a movable slide block 92, the fixed slide block 91 is linked with the rear mold plate 3, the movable slide block 92 is connected with the backing plate 4, and when the mold is opened, the rear mold plate 3 is separated from the backing plate 4 so as to drive the inner slide block to pull the core. In an embodiment of the present invention, the rear mold plate 3 is provided with a first rear mold core 101 and a second rear mold core 102, which are arranged in a substantially diagonal manner. The utility model discloses an in the embodiment, the fixed sliding block 91 of interior slider 9 passes through dovetail sliding connection with removal slider 92, and fixed sliding block 91 both sides are equipped with the arch respectively, protruding one side cooperation slider layering 93, and slider layering 93 links with back template 3, and removal slider 92 passes back template 3 and is connected with backing plate 4. A positioning wave bead is arranged on the rear mold core 8, and a positioning hole matched with the positioning wave bead is arranged on the side surface of the fixed slide block 91. The forming area of the rear mold core 8 is provided with ejector pins for ejecting products, the ejector pins are matched with ejector pin panels 5 and ejector pin bottom plates 6, the ejector pin panels 5 and the ejector pin bottom plates 6 are sequentially arranged below the base plate 4, the bottom plates 7 are arranged below the ejector pin bottom plates 6, and the rear mold plate 3, the base plate 4, the ejector pin panels 5, the ejector pin bottom plates 6 and the bottom plates 7 form a rear mold part. Guide posts 31 are installed at four corners of the rear template 3, the rear template 3 is matched with the front template 2 through the guide posts 31, a front mold core matched with the rear mold core is arranged on the front template 2, a product, namely an injection molding piece M, is formed by matching the front mold core, the rear mold core and an inner sliding block, a panel 1 is arranged on one side of the front template 2, and the front template 2 and the panel 1 form a front mold part.

The utility model discloses use the mould, divide the mould step as follows:

firstly, when the mold is opened, the rear mold plate and the base plate are opened to drive the slide block to loose the core, the mold is opened for 20mm, and the rear mold plate is provided with a limit screw to limit the stroke.

And secondly, opening the front and rear templates (A and B) and ejecting the product.

And (5) closing the die and resetting to produce the next product.

The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.

Claims

1. The utility model provides a slider device of loosing core in back mould side which characterized in that: including back template, backing plate and back mould benevolence, be equipped with the backing plate below the back template, back mould benevolence of installation on the template at least, back mould benevolence is equipped with interior slider, and interior slider passes the shaping district that back mould benevolence extends to back mould benevolence, and the tip of interior slider forms inclined plane shaping portion, and interior slider includes fixed slider and removal slider, and wherein fixed slider and back template linkage move the slider and be connected with the backing plate, and during the die sinking, thereby the slider is loosed core in back template and the drive of backing plate part.

2. The rear mold side inner slide block core pulling device according to claim 1, characterized in that: the rear template is provided with a first rear template core and a second rear template core.

3. The rear mold side inner slide block core pulling device according to claim 1, characterized in that: the fixed sliding block and the movable sliding block are connected in a sliding mode through dovetail grooves, protrusions are arranged on two sides of the fixed sliding block respectively, one side of each protrusion is matched with a sliding block pressing strip, the sliding block pressing strip is linked with the rear template, and the movable sliding block penetrates through the rear template and is connected with the base plate.

4. The rear mold side inner slide block core pulling device according to claim 3, characterized in that: the rear die core is provided with a positioning wave bead, and the side surface of the fixed slide block is provided with a positioning hole matched with the positioning wave bead.

5. A rear mold side inner slide core pulling device according to any one of claims 1 to 4, characterized in that: the forming area of back mould benevolence is equipped with the thimble of ejecting product, and the thimble cooperation has thimble panel and thimble bottom plate, and thimble panel and thimble bottom plate set gradually under the backing plate, and the thimble bottom plate has the bottom plate, back mould part is constituteed to back template, backing plate, thimble panel, thimble bottom plate and bottom plate.

6. The rear mold side inner slide block core pulling device according to claim 5, characterized in that: the guide posts are arranged at four corners of the rear template, the rear template is matched with the front template through the guide posts, a front mold core matched with the rear mold core is arranged on the front template, the front mold core, the rear mold core and the inner slide block are matched to form a product, a panel is arranged on one side of the front template, and the front template and the panel form a front mold part.