CN216373223U

CN216373223U - Prevent that product from gluing oblique top drawing of patterns injection mold

Info

Publication number: CN216373223U
Application number: CN202122704418.9U
Authority: CN
Inventors: 张荣聪; 高士军
Original assignee: Xiamen Duowei Precision Mould Co ltd
Current assignee: Xiamen Duowei Precision Mould Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-26
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses an injection mold capable of preventing a product from sticking and obliquely ejecting and demolding, which comprises a panel, wherein a rear mold core is fixedly connected above the panel, a front mold core is arranged in the middle of the upper part of the rear mold core, a mold cavity is arranged in the middle of the front mold core, sliding through holes are arranged on both sides of the front mold core, the two sliding through holes are symmetrically arranged by taking the mold cavity as the center, ejector rods are connected in the sliding through holes in a sliding manner, slide blocks are connected on both sides of the front mold core in a sliding manner, the upper ends of the slide blocks are of a U-shaped structure and are symmetrically arranged, adjusting cavities are arranged at the lower ends of the two slide blocks, power rods are fixedly connected at the side ends of the slide blocks, a discharging plate is arranged at the upper end of the slide blocks, first hydraulic rods are fixedly connected on both sides of the upper end of the discharging plate, a connecting cavity is arranged in the middle of the lower end of the panel, second hydraulic rods are fixedly connected in the connecting cavity, and are obliquely arranged, the utility model can quickly eject the product, the formed product is prevented from being adhered in the die cavity, the complete shape of the product is ensured, and the production efficiency is effectively increased.

Description

Prevent that product from gluing oblique top drawing of patterns injection mold

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold capable of preventing a product from being stuck and obliquely ejecting and demolding.

Background

The tool for producing plastic products during injection molding of the mold injects the heated and melted plastic into the mold cavity by an injection molding machine in a high pressure way, and the plastic is solidified and molded after cooling. And demolding to eject the molded product. However, the side ends of some products are of an inclined structure, so that the side ends are easily adhered to a mold in the demolding process, are not easy to eject, cannot be completely demolded, and are easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold capable of preventing a product from sticking to an inclined top and demoulding, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an injection mold capable of preventing product adhesion and inclined ejection from a mold comprises a panel, wherein a rear mold core is fixedly connected above the panel, a front mold core is arranged in the middle of the upper portion of the rear mold core, a mold cavity is arranged in the middle of the front mold core, sliding through holes are formed in the two sides of the front mold core, the two sliding through holes are symmetrically arranged by taking the mold cavity as a center, ejector rods are connected in the sliding through holes in a sliding mode, sliding blocks are connected in the two sides of the front mold core in a sliding mode, the upper ends of the sliding blocks are of a U-shaped structure, the side view of the sliding blocks is of an L-shaped structure, the two sliding blocks are symmetrically arranged, adjusting cavities are formed in the lower ends of the two sliding blocks, power rods are fixedly connected to the side ends of the sliding blocks, a discharging plate is arranged at the upper ends of the sliding blocks, first hydraulic rods are fixedly connected to the two sides of the upper end of the discharging plate, a connecting cavity is formed in the middle of the lower end of the panel, and a second hydraulic rod is fixedly connected to the connecting cavity, the second hydraulic rod is obliquely arranged, the upper end of the second hydraulic rod is fixedly connected with an oblique top, the middle of the rear die core is obliquely provided with a connecting through hole, and the oblique top is connected in the connecting through hole in a sliding mode.

Preferably, the inner walls of the two sides of the mold cavity are of inclined structures, the ejector rod is arranged in an inclined mode, the upper end of the ejector rod penetrates through the front mold core, and the upper end of the ejector rod is located in the adjusting cavity.

Preferably, the inner wall of the adjusting cavity is fixedly connected with an extrusion block, the extrusion block is of a triangular structure, the upper end of the ejector rod is of a horizontal structure, and the upper end of the ejector rod is opposite to the extruded inclined plane.

Preferably, ejector pin and slip through-hole all are the cruciform structure, be equipped with the spring between ejector pin and the slip through-hole, the lower extreme and the mould chamber intercommunication of slip through-hole, the lower extreme of ejector pin is parallel with the lateral wall in mould chamber.

Preferably, the middle of the rear mold core is fixedly connected with a connecting block, the connecting block is of a U-shaped structure, the upper end of the inclined top is slidably connected to the middle of the connecting block, and the upper end of the inclined top is fixedly connected with an ejector pin.

Preferably, the upper end of the connecting through hole is filled with a sealing block, and the upper side end face of the sealing block is parallel to the upper side end face of the rear mold core.

Compared with the prior art, the utility model has the beneficial effects that: the slider removes to both sides under the effect of power pole, the ejecting connect the through-hole of sealed piece is pushed up through the oblique top to the second hydraulic stem, also with front mould benevolence jack-up simultaneously, make the below of product be in unsettled state, the slider is when removing, the extrusion piece breaks away from the ejector pin, the ejector pin extrudees downwards under the effect of spring, the ejector pin can be quick with the product top fall, avoid fashioned product to glue at the mould intracavity, guarantee the complete shape of product, the effectual production efficiency that has increased, and simple structure easily equips.

Drawings

FIG. 1 is a schematic view of an internal connection structure of an injection mold;

fig. 2 is a schematic perspective view of a pitched roof.

In the figure: the device comprises a panel 1, a rear die core 2, a front die core 3, a sliding block 4, a discharging plate 5, an adjusting cavity 6, an extruding block 7, a sliding through hole 8, an ejector rod 9, a spring 10, a connecting cavity 11, an inclined ejector 12, a die cavity 13, a sealing block 14, a connecting block 15 and an ejector pin 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an injection mold capable of preventing a product from being stuck and obliquely ejected comprises a panel 1, a rear mold core 2 is fixedly connected above the panel 1, a front mold core 3 is arranged in the middle of the upper part of the rear mold core 2, guide rods are arranged on two sides of the rear mold core 2, the front mold core 3 moves along the guide rods when being ejected, so that the lower part of a mold cavity 13 is suspended, a mold cavity 13 is arranged in the middle of the front mold core 3, sliding through holes 8 are arranged on two sides of the front mold core 3, the two sliding through holes 8 are symmetrically arranged by taking the mold cavity 13 as a center, ejector rods 9 are connected in the sliding through holes 8 in a sliding manner, sliding blocks 4 are connected on two sides of the front mold core 3 in a sliding manner, the upper ends of the sliding blocks 4 are of a U-shaped structure, the side view of the sliding blocks 4 are of an L-shaped structure, the two sliding blocks 4 are symmetrically arranged, adjusting cavities 6 are arranged at the lower ends of the two sliding blocks 4, power rods are fixedly connected to the side ends of the sliding blocks 4, a discharging plate 5 is arranged at the upper ends of the sliding blocks 4, the upper end both sides of stripper 5 are the first hydraulic stem of all fixedly connected with, are equipped with in the middle of the lower extreme of panel 1 and connect chamber 11, connect fixedly connected with second hydraulic stem in the chamber 11, and the slope of second hydraulic stem sets up, and the upper end fixedly connected with of second hydraulic stem pushes up 12 to one side, and the middle slope of back mould benevolence 2 is equipped with connect the through-hole, pushes up 12 sliding connection in connect the through-hole to one side.

Mould chamber 13 both sides inner wall is the slope structure, and ejector pin 9 slope sets up, and front mould benevolence 3 is run through to the upper end of ejector pin 9, and the upper end of ejector pin 9 is located adjusts the chamber 6, and ejector pin 9 can move down under the effect of spring 10, extrudees the product for the product receives a power that inclines to the downside, extrudes the product into mould chamber 13.

Fixedly connected with extrusion piece 7 on the inner wall of regulation chamber 6, extrusion piece 7 is the triangle-shaped structure, and the upper end of ejector pin 9 is horizontal structure, and the upper end of ejector pin 9 is just to extruded inclined plane, and when slider 4 carries out the compound die with front mould benevolence 3, extrusion piece 7 jacks up ejector pin 9 for ejector pin 9 compresses the power of holding to spring 10.

Ejector pin 9 and slip through-hole 8 all are the cruciform structure, and ejector pin 9 can compress the spring when removing, and the ejector pin 9 holds power, is equipped with spring 10 between ejector pin 9 and the slip through-hole 8, and the lower extreme and the mould chamber 13 intercommunication of slip through-hole 8, ejector pin 9 extrudees the product when slider 4 putd aside, and the lower extreme of ejector pin 9 is parallel with the lateral wall in mould chamber 13, avoids causing the influence to product quality.

The middle fixedly connected with connecting block 15 of back mould benevolence 2, connecting block 15 are the U-shaped structure, and the upper end sliding connection of oblique top 12 in the centre of connecting block 15, the upper end fixedly connected with thimble 16 of oblique top 12, when oblique top 12 rebound, can be with sealed piece 14 and front mould benevolence 3 jack-up through thimble 16 for the below of product is unsettled.

The upper end packing of connect the through hole has sealed piece 14, and the upside terminal surface of sealed piece 14 is parallel with the upside terminal surface of back mould benevolence 2, and sealed piece 14 seals the packing to connect the through hole, avoids causing the influence to the appearance of product.

The working principle is as follows: the slide block 4 moves towards two sides under the action of the power rod, the stripper plate 5 moves upwards under the pulling action of the first hydraulic rod to expose the front mold core 3, the second hydraulic rod pushes the sealing block 14 out of the connecting through hole through the inclined top 12 and also jacks the front mold core 3, guide rods are arranged on two sides of the rear mold core 2, the front mold core 3 moves along the guide rods when the front mold core 3 is jacked, the lower part of the mold cavity 13 is suspended, the extrusion block 7 is separated from the ejector rod 9 when the slide block 4 is moved away, the ejector rod 9 moves downwards under the action of the spring 10, so that a product is subjected to an inclined downward force to extrude the product into the mold cavity 13, the extrusion block 7 can move to the lower part of the ejector rod 9 when the mold is closed, the ejector rod 9 jacks up, meanwhile, the ejector rod 9 compresses and stores the force on the spring 10 to wait for next demolding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent that product glues oblique top drawing of patterns injection mold, includes panel (1), its characterized in that: a rear mold core (2) is fixedly connected above the panel (1), a front mold core (3) is arranged in the middle of the upper portion of the rear mold core (2), a mold cavity (13) is arranged in the middle of the front mold core (3), sliding through holes (8) are formed in the two sides of the front mold core (3), the two sliding through holes (8) are symmetrically arranged by taking the mold cavity (13) as a center, ejector rods (9) are connected in the sliding through holes (8) in a sliding mode, sliding blocks (4) are connected in the two sides of the front mold core (3) in a sliding mode, the upper end of each sliding block (4) is of a U-shaped structure, the side view of each sliding block (4) is of an L-shaped structure, the two sliding blocks (4) are symmetrically arranged, an adjusting cavity (6) is arranged at the lower end of each sliding block (4), a power rod is fixedly connected to the side end of each sliding block (4), and a discharging plate (5) is arranged at the upper end of each sliding block (4), the utility model discloses a die unloading device, including stripper (5), panel (1), connecting chamber (11) and second hydraulic stem, the slope of second hydraulic stem sets up, the upper end fixedly connected with of second hydraulic stem pushes up (12) to one side in the middle of the lower extreme of panel (1), the middle slope of back mould benevolence (2) is equipped with connect the through-hole, push up (12) sliding connection in the through-hole to one side.

2. The product sticking-proof pitched roof demolding injection mold as claimed in claim 1, wherein: the inner walls of two sides of the die cavity (13) are of inclined structures, the ejector rods (9) are arranged in an inclined mode, the upper ends of the ejector rods (9) penetrate through the front die core (3), and the upper ends of the ejector rods (9) are located in the adjusting cavity (6).

3. The product sticking-proof pitched roof demolding injection mold as claimed in claim 1, wherein: the inner wall of the adjusting cavity (6) is fixedly connected with an extrusion block (7), the extrusion block (7) is of a triangular structure, the upper end of the ejector rod (9) is of a horizontal structure, and the upper end of the ejector rod (9) is just opposite to an extruded inclined plane.

4. The product sticking-proof pitched roof demolding injection mold as claimed in claim 1, wherein: ejector pin (9) and slip through-hole (8) all are the cruciform structure, be equipped with spring (10) between ejector pin (9) and slip through-hole (8), the lower extreme and mould chamber (13) the intercommunication of slip through-hole (8), the lower extreme of ejector pin (9) is parallel with the lateral wall in mould chamber (13).

5. The product sticking-proof pitched roof demolding injection mold as claimed in claim 1, wherein: the middle of back mould benevolence (2) fixedly connected with connecting block (15), connecting block (15) are the U-shaped structure, the upper end sliding connection in the centre of connecting block (15) of oblique top (12), the upper end fixedly connected with thimble (16) of oblique top (12).

6. The product sticking-proof pitched roof demolding injection mold as claimed in claim 1, wherein: the upper end of the connecting through hole is filled with a sealing block (14), and the upper side end face of the sealing block (14) is parallel to the upper side end face of the rear mold core (2).