CN213675255U

CN213675255U - Mold mechanism for preventing insert from being pulled

Info

Publication number: CN213675255U
Application number: CN202022094030.7U
Authority: CN
Inventors: 王西友
Original assignee: Xiamen Yongtengda Electronics Co ltd
Current assignee: Xiamen Yongtengda Electronics Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-13
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a mold mechanism for preventing the insert from being damaged by pulling, which comprises a slide block seat, a slide block, a spring pressing block, a limit screw and an iron piece pressing block; the through-hole clearance on the spring briquetting cup joints on limit screw upper portion and by the coiled head spacing of limit screw upper end, and one side clearance card of spring briquetting is put in the draw-in groove of ironware briquetting, plays the effect that restriction spring briquetting reciprocated, and the lower extreme of spring briquetting supports and leans on the mounted position of mold insert for compress tightly the mold insert, spring mounting between spring briquetting and movable mould board and the both ends of spring are supported respectively and are leaned on spring briquetting and movable mould board. After the die sinking, front mold benevolence leaves with the slider, and spring pressing block can be up opened the certain distance by the bullet under the effect of spring, and spring pressing block up drives ironware briquetting rebound simultaneously after popping out, and ironware briquetting can be driven the certain distance that plays, and the lower terminal surface and the metal insert separation of ironware briquetting for metal insert can not be pulled by the mould part.

Description

Mold mechanism for preventing insert from being pulled

Technical Field

The utility model relates to an injection mold especially relates to a prevent mold insert strain's mould mechanism.

Background

The plastic injection mold is a tool for producing plastic products and has wide application. As shown in fig. 1, in the injection molding of plastic products 100, since some plastic products 100 need to be provided with the metal insert 101, the metal insert 101 is easily damaged by a mold part during the mold opening process, and therefore, a mold structure capable of completely demolding the plastic products 100 without damaging the metal insert 101 is required.

Disclosure of Invention

An object of the utility model is to provide a prevent effectively that mold insert from pulling die mechanism.

In order to achieve the above object, the technical solution of the present invention is:

the utility model relates to a mold mechanism for preventing the insert from being damaged by pulling, which comprises a slide block seat, a slide block, a spring pressing block, a limit screw, an iron piece pressing block and a slide block; the lower extreme of spacing screw is fixed on the slider, and the through-hole clearance on the spring briquetting cup joints on spacing screw upper portion and by the coiled hair spacing of spacing screw upper end, and one side clearance card of spring briquetting is put in the draw-in groove of ironware briquetting, plays the effect that the restriction ironware briquetting reciprocated, and ironware briquetting movable mounting supports on the mounted position of mold insert in the slider and the lower extreme of ironware briquetting for compress tightly the mold insert, spring mounting between spring briquetting and slider and the both ends of spring push up respectively and lean on spring briquetting and slider.

And a clamping groove is transversely formed in one side of the iron piece pressing block.

The utility model also comprises a fixed template, a movable template, a front mold core, a rear mold core, an inclined guide post and a sliding block seat; the fixed die plate and the movable die plate are connected together in an abutting mode, the front die core and the rear die core are respectively and fixedly installed in the fixed die plate and the movable die plate and are arranged oppositely, the upper end of the inclined guide post is fixed on the fixed die plate, the middle part of the inclined guide post movably penetrates through a guide post hole of the sliding block seat, the sliding block seat and the sliding block are connected to the movable die plate in a sliding mode, the inner end of the sliding block seat is connected with the outer end of the sliding block, and the inner end of the sliding block extends to the.

After the scheme of the above, because the utility model discloses after the die sinking, front mould benevolence and slider leave, produce the clearance between front mould benevolence and the slider, spring briquetting can be by up springing open the certain distance under the effect of spring, and spring briquetting can drive ironware briquetting rebound simultaneously after up springing open, and the ironware briquetting can be driven the certain distance that bounces, and the lower terminal surface and the metal mold insert separation of ironware briquetting for metal mold insert can not be pulled by the mould part.

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an isometric view of a plastic article;

fig. 2 is an isometric view of the present invention;

FIG. 3 is a schematic view of the pressing block pressing insert of the iron member of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is a sectional view showing a mold closed state of the present invention;

fig. 6 is a sectional view showing the mold opened state of the present invention.

Detailed Description

As shown in fig. 2-4, the utility model relates to a mold mechanism for preventing the insert from being damaged by pulling, which comprises a spring 1, a spring pressing block 2, a limit screw 3, an iron pressing block 4 and a sliding block 5;

the lower end of the limiting screw 3 is fixed on the sliding block 5, a through hole on the spring pressing block 2 is sleeved on the upper part of the limiting screw 3 in a clearance mode and limited by a pan head at the upper end of the limiting screw 3, one side of the spring pressing block 2 is clamped in a clamping groove 41 of the iron pressing block 4 in a clearance mode and plays a role in limiting the spring pressing block 4 to move up and down, and in the embodiment, a clamping groove 41 is transversely formed in one side of the iron pressing block 4; the lower end of the spring pressing block 4 abuts against the installation position of the metal insert 101 (shown in fig. 1) and is used for pressing the metal insert 101, the spring 1 is installed between the spring pressing block 2 and the movable die plate 20, and two ends of the spring 1 respectively abut against the spring pressing block 2 and the movable die plate 20.

The sliding block 5 is in sliding connection with the movable die plate 20, the lower end of the limiting screw 1 is fixed on the sliding block 5, a through hole on the spring pressing block 2 is in clearance sleeve connection with the upper portion of the limiting screw 3 and is limited by a pan head at the upper end of the limiting screw 3, one side of the spring pressing block 2 is in clearance clamping in a clamping groove 41 of the iron pressing block 4 to play a role in limiting the iron pressing block 4 to move up and down, and in the embodiment, the clamping groove 41 is transversely formed in one side of the iron pressing block 4; the iron pressing block 4 is movably arranged in the sliding block 5, the lower end of the iron pressing block 4 abuts against the installation position of the metal insert 101 (shown in figure 1) and is used for pressing the metal insert 101, the spring 1 is arranged between the spring pressing block 2 and the sliding block 5, and two ends of the spring 1 respectively abut against the spring pressing block 2 and the sliding block 5.

As shown in fig. 5 and fig. 6, the schematic view of the injection mold of the present invention is applied to a specific injection mold, and the injection mold further includes a fixed mold plate 10, a movable mold plate 20, a front mold core 30, a rear mold core 40, an inclined guide pillar 50, and a slider seat 60.

The utility model discloses install between fixed die plate 10 and movable mould board 20. The fixed die plate 10 is connected with the movable die plate 20 in an abutting mode, the front die core 30 and the rear die core 40 are respectively and fixedly installed in the fixed die plate 10 and the movable die plate 20 and are arranged oppositely, the upper end of the inclined guide post 50 is fixed on the fixed die plate 10, the middle part of the inclined guide post 50 is movably arranged in a guide post hole of the slide block seat 60 in a penetrating mode, the slide block seat 60 and the slide block 5 are connected with the movable die plate 20 in a sliding mode, the inner end of the slide block seat 60 is connected with the outer end of the slide block 5, and the inner end of the slide block 5.

The utility model discloses a theory of operation:

as shown in fig. 2-6, after the mold is opened, the front mold core 30 and the slide block 5 are separated, a gap is formed between the front mold core 30 and the slide block 5, the spring pressing block 2 is sprung upward by a certain distance under the action of the spring 1, the spring pressing block 2 can drive the iron pressing block 4 to move upward at the same time after being sprung upward, the iron pressing block 4 is driven to be sprung by a certain distance, and the lower end face of the iron pressing block 4 is separated from the metal insert 101 (shown in fig. 1).

Meanwhile, under the action of the inclined guide post 50, the slider seat 60 can drive the slider 5 to move back together, and the iron piece pressing block 4 pressing the metal insert 100 is bounced open, so that the slider seat 60 and the slider 5 cannot scrape the metal insert 100 when moving back, and the metal insert 100 is prevented from being damaged by pulling.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. The utility model provides a prevent mold machine of mold insert strain constructs which characterized in that: the sliding block seat is provided with a sliding block seat, a sliding block, a spring pressing block, a limiting screw, an iron piece pressing block and a sliding block; the lower extreme of spacing screw is fixed on the slider, and the through-hole clearance on the spring briquetting cup joints on spacing screw upper portion and by the coiled hair spacing of spacing screw upper end, and one side clearance card of spring briquetting is put in the draw-in groove of ironware briquetting, plays the effect that the restriction ironware briquetting reciprocated, and ironware briquetting movable mounting supports on the mounted position of mold insert in the slider and the lower extreme of ironware briquetting for compress tightly the mold insert, spring mounting between spring briquetting and slider and the both ends of spring push up respectively and lean on spring briquetting and slider.

2. The mold mechanism for preventing insert pulling according to claim 1, wherein: and a clamping groove is transversely formed in one side of the iron piece pressing block.

3. The mold mechanism for preventing insert pulling according to claim 1, wherein: the die comprises a fixed die plate, a movable die plate, a front die core, a rear die core, an inclined guide post and a sliding block seat; the fixed die plate and the movable die plate are connected together in an abutting mode, the front die core and the rear die core are respectively and fixedly installed in the fixed die plate and the movable die plate and are arranged oppositely, the upper end of the inclined guide post is fixed on the fixed die plate, the middle part of the inclined guide post movably penetrates through a guide post hole of the sliding block seat, the sliding block seat and the sliding block are connected to the movable die plate in a sliding mode, the inner end of the sliding block seat is connected with the outer end of the sliding block, and the inner end of the sliding block extends to the.