CN114474617B

CN114474617B - A kind of inclined top demoulding structure of injection mold

Info

Publication number: CN114474617B
Application number: CN202210052798.9A
Authority: CN
Inventors: 曹广健
Original assignee: Dongguan Dongyang Plastic Products Co ltd
Current assignee: Dongguan Dongyang Plastic Products Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2025-09-02
Anticipated expiration: 2042-01-18
Also published as: CN114474617A

Abstract

The invention provides an inclined ejection demoulding structure of an injection mould, which comprises a movable mould plate, a movable mould core, a push plate and a push rod, wherein the movable mould core, the push plate and the push rod are arranged on the movable mould plate, the push plate is arranged below the movable mould plate, the push rod is obliquely arranged above the push plate, the bottom of the push rod is rotationally connected with the push plate, the top of the push rod penetrates through the movable mould plate and the movable mould core, a first forming insert and a second forming insert are arranged at the top of the push rod, the bottom of the first forming insert is fixedly connected with the push rod, the second forming insert is arranged above the first forming insert, the second forming insert is fixedly connected with the push plate, a plurality of ejector rods with the same structure are movably connected in the first forming insert, and the ejector rods can directionally move up and down through the second forming insert. According to the invention, the ejection rod in the first insert is ejected upwards along the track of the second slideway along with the movement of the push rod, so that the second insert and a molded product are ejected and demoulded, and the integrity of product demould is ensured.

Description

Inclined ejection demoulding structure of injection mould

Technical Field

The invention relates to the technical field of injection molds, in particular to an inclined ejection demolding structure of an injection mold.

Background

The injection mold is a common mold for molding plastic parts, and various plastic parts can be molded through the injection mold so as to meet various demands of people. The existing injection molding product, such as the injection molding product shown in the processing figure 7, is provided with a hole site (1001) on the side wall of the product (10), a raised rib part (1002) is arranged above the inner side wall of the hole site (1001), the product can not eject and demold the rib part (1002) on the side wall when the side core pulling is simply adopted to slide and demold the hole site (1001) of the side wall, even if the ejection mechanism ejects and demolds the whole product, the rib part is easy to clamp on a molding mold core, so that the whole product can not be demolded smoothly, and the production quality of the product is low.

Disclosure of Invention

The invention aims to provide an inclined ejection demoulding structure of an injection mould, which aims to solve the technical problem in the background technology.

In order to achieve the above object, the present invention provides the following technical solutions:

The utility model provides an injection mold's top to one side drawing of patterns structure, includes movable mould board, installs movable mould mold core, push pedal and the push rod on the movable mould board, the push pedal is in the movable mould board below, the push rod slope sets up in the push pedal top and its bottom is rotated with the push pedal and is connected, movable mould board and movable mould mold core are passed at the top of push rod, first shaping mold insert and second shaping mold insert are installed at the top of push rod, the bottom and the push rod fixed connection of first shaping mold insert, the second shaping mold insert is in first shaping mold insert top, second shaping mold insert and push pedal fixed connection, swing joint has the liftout pole that a plurality of structure is the same in the first shaping mold insert, liftout pole can pass the directional reciprocates of second shaping mold insert.

The right side of first shaping mold insert is equipped with the bellied first shaping portion of a plurality of, the top of first shaping mold insert is equipped with the spout of a plurality of opening structure and is used for placing the liftout pole, the spout includes first slide and establishes the second slide at first slide front and/or rear side, the second slide communicates with each other with first slide, the liftout pole includes ejector pin and installs the guide bar at ejector pin front and/rear side, the ejector pin slides in first slide, the guide bar slides in the second slide.

The first slide way is of a linear long structure, the second slide way is upwards and gradually inclined towards the direction of the first forming part, the second slide way sequentially comprises a first sliding part, a second sliding part and a third sliding part from the opening direction of the slide way towards the direction of the first forming part, the second sliding part is horizontally arranged, and the third sliding part is upwards inclined on the right side of the second sliding part.

The upper side of second shaping mold insert is equipped with the shaping groove of several, be equipped with a plurality of liftout hole and liftout pole position correspondence on the second shaping mold insert, the dead lever is installed respectively to both ends around the second shaping mold insert below, dead lever top and second shaping mold insert fixed connection, the bottom and the push pedal fixed connection of dead lever, the dead lever sets up perpendicularly with the push pedal.

The movable mould is characterized in that a mounting through hole is formed in the movable mould plate and used for mounting a push rod, an inclined guide hole is formed in the movable mould core, the push rod penetrates through the inclined guide hole, a fixed seat is mounted at the bottom of the push rod and connected with the push plate, the push rod is rotatably connected to the fixed seat, and the fixed seat is fixedly connected with the push plate.

Compared with the prior art, the inclined ejection demolding structure of the injection mold has the advantages that the ejector rod in the first insert is ejected upwards along the track of the second slideway along with the movement of the push rod along with the demolding of the inclined upward movement of the push rod, the second insert and a molded product are ejected for demolding, the rib position at the top of the product is also ejected when the product is laterally extracted for demolding, the product demolding integrity is ensured, the structural design is ingenious, the mold layout is compact, the sliding movement of the push rod is utilized, the ejection demolding in the other direction is also carried out when the side core pulling demolding is carried out, and the product production stability is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a block diagram of a first and second molding insert mounting configuration;

FIG. 3 is a schematic view of a first molding insert;

FIG. 4 is a schematic diagram of the structure of the ejector rod;

FIG. 5 is a schematic view of a second slide structure;

FIG. 6 is a schematic diagram of the motion principle of the ejector rod;

FIG. 7 is a schematic diagram of the structure of the processed product of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, an inclined ejection demoulding structure of an injection mould includes a movable mould plate 2, a movable mould core 3 mounted on the movable mould plate 2, a push plate 1 and a push rod 4, wherein the push plate 1 is disposed below the movable mould plate 2, the push rod 4 is disposed above the push plate 1 in an inclined manner, the bottom of the push rod is rotatably connected with the push plate 1, a mounting through hole 201 is disposed on the movable mould plate 2 for mounting the push rod 4, an inclined guide hole 301 is disposed on the movable mould core 3, the push rod 4 passes through the inclined guide hole, a fixing seat 5 is mounted at the bottom of the push rod 4 and connected with the push plate 1, the push rod 4 is rotatably connected with the fixing seat 5, and the fixing seat 5 is fixedly connected with the push plate 1.

The top of push rod 4 passes movable mould board 2 and movable mould mold core 3, first shaping mold insert 6 and second shaping mold insert 7 are installed at the top of push rod 4, the bottom and the push rod 4 fixed connection of first shaping mold insert 6, second shaping mold insert 7 is in first shaping mold insert 6 top, second shaping mold insert 7 and push pedal 1 fixed connection, swing joint has a plurality of liftout pole 9 that the structure is the same in the first shaping mold insert 6, liftout pole 9 can pass second shaping mold insert 7 and fix the reciprocates, in this embodiment, install two liftout poles 9 that the structure is the same in the first shaping mold insert 6, two liftout poles 9 set up side by side from front to back.

The right side of the first molding insert 6 is provided with a plurality of raised first molding portions 601 for molding a hole site 1001 of a product, the top of the first molding insert 6 is provided with two sliding grooves 602 with opening structures for placing a jacking rod 9, each sliding groove 602 comprises a first sliding way 602-1 and second sliding ways 602-2 arranged at the front side and/or the rear side of the first sliding way 602-1, in the embodiment, the front side and the rear side of the first sliding way 602-1 are respectively provided with the second sliding ways 602-2 with the same structure, the second sliding ways 602-2 are communicated with the first sliding way 602-1, the jacking rod 9 comprises a jacking rod 901 and guide rods 902 arranged at the front side and the rear side of the jacking rod 901, the jacking rod 901 slides in the first sliding way 602-1, the guide rods 902 slide in the second sliding way 602-2, and the sliding of the jacking rod 901 in the sliding way 602 is guided by the structure of the second sliding way 602-2.

The first slide way 602-1 is of a linear long structure, the second slide way 602-2 is upwards and gradually inclined towards the first forming part 601, the second slide way 602-2 sequentially comprises a first sliding part 602-2-1 from the opening direction of the slide way 602 towards the first forming part 601, the second sliding part 602-2-2 and a third sliding part 602-2-3, the opening position of the left end of the first sliding part 602-2-1 is of a horn-shaped structure, the installation of the ejector rod 9 is facilitated, the second sliding part 602-2-2 is horizontally arranged, and the third sliding part 602-2-3 is upwards inclined on the right side of the second sliding part 602-2-2.

The top of second shaping mold insert 7 is equipped with several shaping groove 701, this shaping groove 701 is used for the muscle 1002 on the shaping product, be equipped with two liftout holes 702 and liftout pole 9 position correspondence on the second shaping mold insert 7, dead lever 8 is installed respectively to the front and back both ends of second shaping mold insert 7 below, dead lever 8 top and second shaping mold insert 7 fixed connection, the bottom and the push pedal 1 fixed connection of dead lever 8, dead lever 8 and push pedal 1 set up perpendicularly, because second shaping mold insert 7 is fixed knot constructs, when first shaping mold insert 6 carries out the displacement, liftout pole 9 in the first shaping mold insert 6 can carry out directional slip along spout 602.

Referring to fig. 6, when the push plate 1 is lifted up, the push rod 4 moves along the inclined guide hole in the mold core towards the direction away from the first molding part 601 on the first molding insert 6, because the second molding insert 7 is fixed, when the first molding insert 6 moves, the guide rod 902 and the push rod 901 on the ejector rod 9 slide in the corresponding slide ways, and because the second sliding part 602-2-2 in the second slide way 602-2 is of a straight line structure, i.e. when the guide rod 902 slides in the second sliding part 602-2-2, the push rod 901 does not move upwards to lift up the product, and as the first molding insert 6 moves continuously, the first molding part 601 and the product 10 hole 1001 are released, the guide rod 902 also slides to the third sliding part 602-2-3, and when the push rod 901 moves upwards along the direction of the third sliding part 602-2-3, i.e. the push rod 901 moves upwards to lift up the product and the second molding insert 7, thus completing the side extraction and lifting up of the product.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A slanted ejection structure for an injection mold, characterized in that it comprises a movable template, a movable mold core mounted on the movable template, a push plate and a push rod, the push plate being below the movable template, the push rod being obliquely arranged above the push plate and its bottom being rotatably connected to the push plate, the top of the push rod passing through the movable template and the movable mold core, the top of the push rod being installed with a first molding insert and a second molding insert, the bottom of the first molding insert being fixedly connected to the push rod, the second molding insert being above the first molding insert, the second molding insert being fixedly connected to the push plate, a plurality of ejecting rods of the same structure being movably connected in the first molding insert, the ejecting rod can pass through the second molding insert and move up and down in a directional manner; a plurality of raised first molding inserts are provided on the right side The molding part, the top of the first molding insert is provided with several slide grooves with open structures for placing the ejecting rod, the slide groove includes a first slide and a second slide provided in front of and/or behind the first slide, the second slide is communicated with the first slide, the ejecting rod includes a ejector rod and a guide rod installed in front of and/or behind the ejector rod, the ejector rod slides in the first slide, and the guide rod slides in the second slide; several molding grooves are provided above the second molding insert, and several ejecting holes are provided on the second molding insert corresponding to the position of the ejecting rod, and fixed rods are respectively installed at the front and rear ends below the second molding insert, the top end of the fixed rod is fixedly connected to the second molding insert, and the bottom end of the fixed rod is fixedly connected to the push plate, and the fixed rod is vertically arranged to the push plate.

2. A slanted top demolding structure for an injection mold according to claim 1, characterized in that: the first slide is a straight long structure, the second slide is gradually inclined upward toward the first molding part, the second slide is sequentially composed of a first slide part, a second slide part and a third slide part from the opening direction of the slide groove toward the first molding part, the second slide part is arranged in a horizontal direction, and the third slide part is inclined upward on the right side of the second slide part.

3. The inclined top demolding structure of an injection mold according to claim 1 is characterized in that: the movable mold plate is provided with a mounting through hole for installing the push rod, the movable mold core is provided with an inclined guide hole, the push rod passes through the inclined guide hole, the bottom of the push rod is installed with a fixed seat connected to the push plate, the push rod is rotatably connected to the fixed seat, and the fixed seat is fixedly connected to the push plate.