CN212331652U - Injection molding double-color product sliding block secondary ejection structure - Google Patents

Abstract

The utility model discloses a secondary ejection structure for a sliding block of an injection molding bicolor product, which comprises a fixed template, a movable template, an inclined pressing block, a sliding block, a first ejector rod, a second ejector rod, a first ejector plate, a bottom plate, a second ejector plate, a push block spring, a push block upper drag hook and a push block lower drag hook; the upper portion clearance of first ejector pin penetrates in the spout at slider middle part, and the middle part activity of first ejector pin is worn to put in the movable mould board, and the lower extreme of first ejector pin is fixed on first thimble board, and the ejector pad activity sets up at the ejector pad inslot of second ejector pad, and the upper end of drag hook is connected on first ejector pad on the ejector pad, and the lower extreme clearance of drag hook penetrates second ejector pad inslot on the ejector pad, and the barb of drag hook upper end and the top surface lock joint of ejector pad under the ejector pad. The first ejection is realized, the inclined plane on the first ejector rod pushes the sliding block to move away for a stroke, and when the second ejection is realized, the pulling hook on the pushing block drives the pushing block to realize the ejection of the second ejector plate.

Description

Injection molding double-color product sliding block secondary ejection structure

Technical Field

The utility model relates to an injection mold especially relates to a double-colored product slider secondary ejection structure moulds plastics.

Background

The plastic injection mold is a tool for producing plastic products and has wide application. In the injection molding of plastic articles, the opening sequence of the mold parting surfaces is controlled to meet the needs of the molding process. When the traditional double-color product is molded by injection, the slider cannot walk away during the first molding and die opening of the injection molding double-color product, the second molding and die opening slider is driven by the oil cylinder to walk away, the slider is increased in the overall dimension of the die driven by the oil cylinder, the machine cannot be placed, the oil cylinder cost is high, the production and die opening action period is long, and the batch production is influenced.

Disclosure of Invention

An object of the utility model is to provide a double-colored product slider secondary ejection structure of moulding plastics that mould size is less.

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

the utility model relates to a double-shot ejection structure of a sliding block of an injection molding double-color product, which comprises a fixed template, a movable template, an inclined pressing block, a sliding block, a first ejector rod, a second ejector rod, a first ejector plate, a bottom plate, a second ejector plate, a push block spring, a push block upper drag hook and a push block lower drag hook;

the fixed die plate is opposite to the movable die plate, the upper end of the inclined pressing block is fixed on the fixed die plate, the lower end of the inclined pressing block abuts against the outer side of the sliding block, the sliding block is connected to the movable die plate in a sliding mode, the inner end of the sliding block extends into the die cavity, the upper part of the first ejector rod penetrates into the sliding groove in the middle of the sliding block in a clearance mode, the inclined plane of the upper part of the first ejector rod is matched with the inclined plane of the sliding groove in the middle of the sliding block to form pushing force for pushing the sliding block outwards, the middle part of the first ejector rod movably penetrates through the movable die plate, the lower end of the first ejector rod is fixed on the first ejector plate, the first ejector plate abuts against the;

the push block is movably arranged in a push block groove of the second ejector plate, the push block spring is arranged in a spring groove of the second ejector plate, and two ends of the push block spring respectively abut against the inner end wall of the spring groove and the inner end of the push block; the upper end of the upper drag hook of the push block is connected to the first ejector plate, the lower end of the upper drag hook of the push block penetrates into the push block groove of the second ejector plate in a clearance mode and abuts against the outer end of the push block, and the inclined plane at the lower part of the upper drag hook of the push block is matched with the inclined plane at the outer end of the push block to form an ejecting force for ejecting the push block inwards; the lower extreme of drag hook is connected on the bottom plate under the ejector pad, and in the upper end clearance of drag hook penetrated the ejector pad inslot of second ejector pin board and the spout at ejector pad middle part under the ejector pad, the barb of drag hook upper end and the top surface lock joint of ejector pad under the ejector pad for second ejector pin board links together with first ejector pin board, and the lower extreme of second ejector pin is fixed on the second ejector pin board, stretches into the die cavity behind first ejector pin board, the movable mould board in the upper end of second ejector pin.

After the scheme is adopted, the utility model discloses after the mould die sinking, it is ejecting for the first time, the first thimble board of board kicking rod top, the inclined plane promotion slider on the first ejector pin of fixing on first thimble board walks away the stroke, when ejecting for the second time, the ejector pad of fixing on the second thimble board is driven by the drag hook on the ejector pad, it is ejecting to realize the second thimble board, the ejector pad top surface is withheld to the drag hook under the ejector pad of fixing on the bottom plate, when guaranteeing that first thimble board is ejecting, the product is fixed on the movable mould board, prevents that the slider from pulling away the product. Because the utility model discloses a slider die sinking is realized to the ejecting structure of slider secondary, has the advantage of simplifying the injection mold structure, reducing the mould maximum overall dimension, making things convenient for mould processing and assembly, reduction in production cycle, control manufacturing cost.

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

Drawings

FIG. 1 is a state diagram of the mold assembly of the present invention;

FIG. 2 is a state diagram of the mold opening of the present invention;

fig. 3 is a state diagram of the ejection start of the present invention;

fig. 4 is a state diagram of the present invention in full ejection.

Detailed Description

As shown in fig. 1 and 2, the utility model relates to a double-colored product slider secondary ejection structure moulds plastics, including fixed die plate 1, movable mould board 2, sloping briquetting 3, slider 4, first ejector pin 5, second ejector pin 6, first thimble board 7, bottom plate 8, second thimble board 9, ejector pad 10, ejector pad spring 11, ejector pad upper retractor 12, ejector pad lower retractor 13.

The fixed die plate 1 is opposite to the movable die plate 2, the upper end of the inclined pressing block 3 is fixed on the fixed die plate 1, the lower end of the inclined pressing block 3 is abutted against the outer side of the sliding block 4, the sliding block 4 is connected to the movable die plate 2 in a sliding mode, the inner end of the sliding block 4 extends into the die cavity, the upper gap of the first ejector rod 5 penetrates into the sliding groove 41 in the middle of the sliding block 4, the inclined plane on the upper portion of the first ejector rod 5 is matched with the inclined plane of the sliding groove in the middle of the sliding block 41, a thrust force pushing the sliding block 4 outwards is formed, the middle of the first ejector rod 5 movably penetrates into the movable die plate 2, the lower end of the first ejector rod 5 is fixed on the first ejector plate 6, the first ejector plate 7 is abutted against the second ejector plate 9.

The push block 10 is movably arranged in a push block groove 91 of the second ejector plate 9, the push block spring 11 is arranged in a spring groove 92 of the second ejector plate 9, and two ends of the push block spring 11 respectively abut against the inner end wall of the spring groove 92 and the inner end of the push block 10; the upper end of the push block upper drag hook 12 is connected to the first ejector plate 7, the lower end of the push block upper drag hook 12 penetrates into the push block groove 91 of the second ejector plate 9 in a clearance mode and abuts against the outer end of the push block 10, and the inclined plane of the lower portion of the push block upper drag hook 12 is matched with the inclined plane of the outer end of the push block 10 to form an ejecting force for pushing the push block 10 inwards; the lower extreme of drag hook 13 is connected on bottom plate 8 under the ejector pad, the upper end clearance of drag hook 13 penetrates in ejector pad groove 92 of second thimble board 9 and the spout 101 at ejector pad 10 middle part under the ejector pad, barb 131 of drag hook 13 upper end and the top surface lock joint of ejector pad 10 under the ejector pad for second thimble board 9 articulates together with first thimble board 7, the lower extreme of second ejector pin 6 is fixed on second thimble board 9, the upper end of second ejector pin 6 passes first thimble board 7, stretch into the die cavity behind the movable mould board 2.

The utility model discloses a theory of operation:

as shown in fig. 3 and 4, after the mold is opened, the mold is ejected for the first time, the machine ejector rod ejects the first ejector plate 7, the inclined surface of the first ejector rod 5 fixed on the first ejector plate 7 pushes the sliding block 4 to move away for a stroke, when the mold is ejected for the second time, the upper pulling hook 12 of the pushing block drives the pushing block 10 fixed on the second ejector plate 9, so that the ejection of the second ejector plate 9 is realized, the lower pulling hook 13 of the pushing block fixed on the bottom plate 8 buckles the top surface of the pushing block 10, and when the first ejector plate 7 is ejected, a product is fixed on the movable mold plate 2, so that the sliding block 4 is prevented from pulling away the product.

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)

1. The utility model provides an it moulds plastics two-color product slider secondary ejection structure which characterized in that: the device comprises a fixed template, a movable template, an inclined pressing block, a sliding block, a first ejector rod, a second ejector rod, a first ejector plate, a bottom plate, a second ejector plate, a pushing block spring, a pushing block upper drag hook and a pushing block lower drag hook;

the fixed die plate is opposite to the movable die plate, the upper end of the inclined pressing block is fixed on the fixed die plate, the lower end of the inclined pressing block abuts against the outer side of the sliding block, the sliding block is connected to the movable die plate in a sliding mode, the inner end of the sliding block extends into the die cavity, the upper part of the first ejector rod penetrates into the sliding groove in the middle of the sliding block in a clearance mode, the inclined plane of the upper part of the first ejector rod is matched with the inclined plane of the sliding groove in the middle of the sliding block to form pushing force for pushing the sliding block outwards, the middle part of the first ejector rod movably penetrates through the movable die plate, the lower end of the first ejector rod is fixed on the first ejector plate, the first ejector plate abuts against the;

the push block is movably arranged in a push block groove of the second ejector plate, the push block spring is arranged in a spring groove of the second ejector plate, and two ends of the push block spring respectively abut against the inner end wall of the spring groove and the inner end of the push block; the upper end of the upper drag hook of the push block is connected to the first ejector plate, the lower end of the upper drag hook of the push block penetrates into the push block groove of the second ejector plate in a clearance mode and abuts against the outer end of the push block, and the inclined plane at the lower part of the upper drag hook of the push block is matched with the inclined plane at the outer end of the push block to form an ejecting force for ejecting the push block inwards; the lower extreme of drag hook is connected on the bottom plate under the ejector pad, and in the upper end clearance of drag hook penetrated the ejector pad inslot of second ejector pin board and the spout at ejector pad middle part under the ejector pad, the barb of drag hook upper end and the top surface lock joint of ejector pad under the ejector pad for second ejector pin board links together with first ejector pin board, and the lower extreme of second ejector pin is fixed on the second ejector pin board, stretches into the die cavity behind first ejector pin board, the movable mould board in the upper end of second ejector pin.

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