CN219006861U

CN219006861U - Built-in press-fit preventing die mechanism

Info

Publication number: CN219006861U
Application number: CN202320078413.6U
Authority: CN
Inventors: 刘群安
Original assignee: Xiamen Xuanlu Molding Technology Co ltd
Current assignee: Xiamen Xuanlu Molding Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-12
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a built-in press-fit preventing die mechanism, which comprises a panel, a fixed die plate, a movable die plate, a push rod, a spring block spring and a compression rod, wherein the panel is arranged on the fixed die plate; the upper end of the ejector rod is fixed on the panel, the lower end gap of the ejector rod penetrates through the ejector rod hole on the fixed die plate and then penetrates into the through hole on the outer side of the ejector block, the ejector block is movably mounted in the ejector block groove on the fixed die plate, the outer end of the ejector block is propped against the compression rod, the ejector block spring is mounted in the ejector block groove on the fixed die plate, and the lower part of the compression rod is movably arranged in the compression rod hole of the fixed die plate in a penetrating mode. The panel drives the ejector rod to move downwards, the end face of the ejector rod can prop against the elastic block, the panel cannot move, the fixed template and the movable template are clamped in advance, the die continues to be matched, the top face of the movable template contacts with the end face of the pressing rod, the pressing rod and the elastic block are forced to move inwards, a space is reserved for clamping the ejector rod, and the panel and the fixed template are clamped, so that the sequential clamping of the panel, the fixed template and the movable template is realized.

Description

Built-in press-fit preventing die mechanism

Technical Field

The utility model relates to an injection mold, in particular to a built-in press-fit preventing mold mechanism.

Background

Plastic injection molds are tools for producing plastic products and are very widely used. In injection molding of plastic articles, the opening sequence of the parting surfaces of the mold is controlled in order to meet the requirements of the molding process. As shown in fig. 1, the plastic product 100 has a bent hole 101, and for core pulling, the core pulling member is required to move obliquely upward and outward, and for this purpose, an open mold structure capable of satisfying the core pulling needs is required to be designed.

The structure is suitable for a mechanism with a front mould slide block for obliquely pulling cores and a mould closing action required. If the die assembly is out of order, the front die slide 7 and the fixed die core 8 are crushed.

Disclosure of Invention

The utility model aims to provide a built-in press-fit preventing die mechanism for sequential die assembly.

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

the utility model relates to a built-in press-fit preventing die mechanism, which comprises a panel, a fixed die plate, a movable die plate, a push rod, a spring block spring and a compression rod; the panel, the fixed template and the movable template are sequentially abutted together; the upper end of ejector rod is fixed on the panel, in the lower extreme clearance of ejector rod passes the ejector pin hole on the fixed die plate and can penetrate the through-hole in the bullet piece outside, bullet piece movable mounting is in the bullet piece inslot on the fixed die plate, the outer end of bullet piece is leaned on with the depression bar with the mode of inclined plane contact, bullet piece spring mounting is in the bullet piece inslot on the fixed die plate and the both ends of bullet piece spring are leaned on respectively in the inner of bullet piece and bullet piece inslot bottom surface, the lower part activity of depression bar wears to put in the depression bar hole of fixed die plate and the lower extreme of depression bar is leaned on with the top surface of movable die plate.

The utility model also comprises an insert seat, a front mould sliding block, a fixed mould core and a fixed insert; the upper end of the insert seat is fixed on the panel, the upper end of the front mold sliding block is slidably connected in a sliding groove at the lower end of the insert seat in a groove block matched mode, the lower end of the front mold sliding block is movably sleeved with the upper end of the fixed mold core, the middle part of the front mold sliding block is movably sleeved in a sliding groove of the fixed mold plate, the lower end of the fixed mold core is movably sleeved with the upper end of the fixed insert, and the lower end of the fixed insert is fixed on the movable mold plate.

After the scheme is adopted, the movable mold plate comprises the panel, the fixed mold plate, the movable mold plate, the ejector rod, the ejector block spring and the compression bar, and the panel drives the ejector rod to move downwards, so that the end face of the ejector rod can prop against the ejector block, the panel can not move continuously, the fixed mold plate and the movable mold plate are forced to be clamped in advance, the mold is continuously matched with the mold, the top face of the movable mold plate contacts with the end face of the compression bar, the compression bar is forced to retreat, the compression bar retreats, the ejector block is forced to move inwards, a space is reserved for the ejector rod to be clamped, and the panel is clamped with the fixed mold plate, so that the panel, the fixed mold plate and the movable mold plate are clamped sequentially.

The utility model will be further described with reference to the drawings and the specific examples.

Drawings

FIG. 1 is a schematic illustration of a plastic article;

FIG. 2 is a diagram of the present utility model in a clamped state;

FIG. 3 is a schematic illustration of the opening of the mold of the panel and the stationary platen of the present utility model;

FIG. 4 is a schematic drawing of the mold opening of the stationary platen and the movable platen of the present utility model;

FIG. 5 is a schematic illustration of ejection of a plastic article of the present utility model;

FIG. 6 is a schematic diagram of a first step of the present utility model in closing a mold;

FIG. 7 is a schematic diagram of a second step of the present utility model;

FIG. 8 is a schematic diagram of a third step of the present utility model.

Detailed Description

As shown in fig. 2, the utility model relates to a built-in press-fit preventing die mechanism, which comprises a panel 1, a fixed die plate 2, a movable die plate 3, a push rod 4, a spring block 5, a spring block spring 6, a press rod 7, an insert seat 8, a front die sliding block 9, a fixed die core 10 and a fixed insert 11.

The panel 1, the fixed template 2 and the movable template 3 are sequentially abutted together; the upper end of the ejector rod 4 is fixed on the panel 1, the lower end gap of the ejector rod 4 passes through the ejector rod hole 21 on the fixed die plate 2 and then can penetrate into the through hole 51 at the outer side of the ejector block 5, the ejector block 5 is movably installed in the ejector block groove 22 on the fixed die plate 2, the outer end of the ejector block 5 is propped against the compression bar 7 in a bevel contact manner, the ejector block spring 6 is installed in the ejector block groove 22 on the fixed die plate 2, the two ends of the ejector block spring 6 are respectively propped against the inner end of the ejector block 5 and the bottom surface of the ejector block groove 22, the lower part of the compression bar 7 is movably arranged in the compression bar hole 23 of the fixed die plate 2 in a penetrating manner, and the lower end of the compression bar 7 is propped against the top surface of the movable die plate 3.

The upper end of the insert seat 8 is fixed on the panel 1, the upper end of the front mold sliding block 9 is slidably connected in a sliding groove 81 at the lower end of the insert seat 8 in a groove block matching mode, the lower end of the front mold sliding block 9 is movably sleeved with the upper end of the fixed mold core 10, the middle part of the front mold sliding block 9 is movably sleeved in a sliding groove 24 of the fixed mold plate 2, the lower end of the fixed mold core 10 is movably sleeved with the upper end of the fixed insert 11, and the lower end of the fixed insert 11 is fixed on the movable mold plate 3.

The working principle of the utility model is as follows:

step one: the machine is opened to drive the panel 1 and the fixed die plate 2 to move backwards by 45MM, the ejector rod 4, the insert seat 8 and the front die sliding block 9 are fixed on the panel 1 and kept motionless, and the insert seat 8 and the front die sliding block 9 move inwards under the drive of the fixed die plate 2.

Step two: the machine continues to open the die, the fixed die plate 2 is separated from the movable die plate 3, the elastic block 5 is pushed outwards under the elastic force of the elastic block spring 6 at this time, the compression bar 7 is forced to move towards the movable die plate 3, the die opening action is completed, and preparation is made for ejection.

Step three: the plastic product 100 is ejected, and the plastic product 100 is taken out to prepare for mold closing.

Step four: the mould is closed, the panel 1 drives the ejector rod 4 to move downwards by 15MM, the end face of the ejector rod 4 can prop against the ejector block 5 at this time, the panel 1 cannot move continuously, the fixed die plate 2 and the movable die plate 3 are forced to be closed in advance, the mould continues to be closed, the top surface of the movable die plate 3 touches the end face of the pressing rod 7, the pressing rod 7 is forced to retreat, the ejector block 5 is forced to move inwards by the retreating of the pressing rod 7, and a space is reserved for closing the ejector rod 4.

Step five: the elastic block 5 moves rightwards, after enough space is reserved for the clamping of the ejector rod 4, the panel 1 and the fixed die plate 2 are clamped, and after the clamping is in place, preparation is made for the next cycle.

The foregoing description is only illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, i.e., the equivalent changes and modifications to the utility model as described in the claims and specification should be considered as falling within the scope of the utility model.

Claims

1. A built-in press mold preventing mechanism is characterized in that: comprises a panel, a fixed template, a movable template, a push rod, a spring block spring and a compression rod; the panel, the fixed template and the movable template are sequentially abutted together; the upper end of ejector rod is fixed on the panel, in the lower extreme clearance of ejector rod passes the ejector pin hole on the fixed die plate and can penetrate the through-hole in the bullet piece outside, bullet piece movable mounting is in the bullet piece inslot on the fixed die plate, the outer end of bullet piece is leaned on with the depression bar with the mode of inclined plane contact, bullet piece spring mounting is in the bullet piece inslot on the fixed die plate and the both ends of bullet piece spring are leaned on respectively in the inner of bullet piece and bullet piece inslot bottom surface, the lower part activity of depression bar wears to put in the depression bar hole of fixed die plate and the lower extreme of depression bar is leaned on with the top surface of movable die plate.

2. The built-in press-fit prevention die mechanism according to claim 1, wherein: the mold further comprises an insert seat, a front mold sliding block, a fixed mold core and a fixed insert; the upper end of the insert seat is fixed on the panel, the upper end of the front mold sliding block is slidably connected in a sliding groove at the lower end of the insert seat in a groove block matched mode, the lower end of the front mold sliding block is movably sleeved with the upper end of the fixed mold core, the middle part of the front mold sliding block is movably sleeved in a sliding groove of the fixed mold plate, the lower end of the fixed mold core is movably sleeved with the upper end of the fixed insert, and the lower end of the fixed insert is fixed on the movable mold plate.