CN216544199U

CN216544199U - Mould ejection mechanism's switching device

Info

Publication number: CN216544199U
Application number: CN202123168278.4U
Authority: CN
Inventors: 王科峰; 张静
Original assignee: Dongguan Chengde Plastic Hardware Mould Co ltd
Current assignee: Dongguan Chengde Plastic Hardware Mould Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-17
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an opening and closing device of a plastic mold ejection mechanism, which is arranged on a movable mold and comprises a support, a pressing plate, a sliding block and a buckle plate; when the pinch plate is completely pressed into the movable die plate by the sliding block, the movable die plate and the stripper plate can move relatively, and when the pinch plate extends into the first clamping groove, the movable die plate and the stripper plate are kept relatively static. This is with novel through setting up the support on the thimble board of movable mould, set up slider and clamp plate on the support to set up the buckle between slider and movable mould board, the spacing part of complicated stroke in the fungible mould forms the switching device that can control each board relative action in order to realize the segmentation die sinking on the lateral wall of movable mould, simple structure, the action is reliable, the stable performance, it is convenient to assemble, and need not to maintain, can carry out the modular production, can be applicable to the mould of isostructure, application scope is extensive.

Description

Mould ejection mechanism's switching device

Technical Field

The utility model relates to the technical field of plastic molds, in particular to an opening and closing device of a mold ejection mechanism.

Background

In the molding and demolding process of complex plastic parts, each plate on a mold is generally required to perform segmented mold closing or mold opening actions so that parts such as core pins, inserts or sliders and the like related to each plate in the mold can timely act. In the production process, the segmental action is realized by structures such as step holes or guide sleeves of different structures on step guide pillars of different structures matched with the templates, the processing and the assembly are more complicated, and the structures need frequent inspection and maintenance, thereby being time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model provides an opening and closing device of a mold ejection mechanism, which can replace complex stroke limit parts in a mold, and the opening and closing device which is convenient for controlling each plate to perform staged action is formed on the side wall of a movable mold.

In order to solve the technical problems, the utility model adopts a technical scheme as follows:

a switching device of a mould ejection mechanism is arranged on a movable mould, the movable mould comprises a bottom plate, a stripper plate and a movable mould plate, an ejector plate is arranged on the bottom plate, a plurality of ejector pins are arranged on the ejector plate, each ejector pin extends to the movable mould plate, and a limit screw is arranged between the stripper plate and the movable mould plate; the switching device is established on the lateral wall of movable mould includes:

the support is detachably and fixedly arranged on the ejector plate, and a sliding groove extending towards the direction of the movable template is formed in the support;

the pressing plate is detachably and fixedly arranged at the end part of the support; the pressing plate is arranged beside the movable template;

the sliding block is arranged in the sliding groove, one end of the sliding block is detachably and fixedly connected with the stripper plate, and the other end of the sliding block penetrates through the pressing plate and extends to the outer side of the support; a first clamping groove is formed in the side wall, close to the movable template, of the sliding block;

the pinch plate is embedded in the side wall of the movable template through a limiting nail, and one end of the pinch plate is matched with the first clamping groove and extends to the outer side of the movable template; the buckle plate can be completely pressed into the movable template by the sliding block so as to enable the movable template and the stripper plate to move relatively, and when the buckle plate extends into the first clamping groove, the movable template and the stripper plate keep relatively static.

As a further elaboration of the above technical solution:

in the technical scheme, the side walls of the support and the ejector plate are respectively provided with a second clamping groove, and a positioning clamping protrusion is arranged in the second clamping grooves in a matched mode.

In the above technical solution, the pressing plate is provided with an avoidance groove adapted to the sliding block.

In the above technical scheme, the side walls of the first clamping groove and the buckling plate are both provided with an inclined surface or an arc surface.

In the technical scheme, the buckle plate is provided with a step hole groove matched with the limit nail.

In the technical scheme, a plurality of first positioning holes are formed in the side wall of the ejector pin plate; more than one second positioning hole is formed in the side wall of the stripper plate pair; the movable template is provided with a third hole groove matched with the pinch plate, and the inner wall of the third hole groove is provided with more than one fourth hole matched with the limit nail.

Compared with the prior art, the utility model has the beneficial effects that: this is with novel through setting up the support on the thimble board of movable mould, set up slider and clamp plate on the support to set up the buckle between slider and movable mould board, the spacing part of complicated stroke in the fungible mould forms the switching device that can control each board relative action in order to realize the segmentation die sinking on the lateral wall of movable mould, simple structure, the action is reliable, the stable performance, it is convenient to assemble, and need not to maintain, can carry out the modular production, can be applicable to the mould of isostructure, application scope is extensive.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic structural view of the holder according to the present embodiment;

FIG. 3 is a schematic structural view of a platen in the present embodiment;

FIG. 4 is a schematic structural diagram of a slider in the present embodiment;

FIG. 5 is a schematic view of the structure of the buckle plate of this embodiment.

In the figure: 1. a base plate; 2. an ejector plate; 3. a material removing plate; 4. moving the template; 5. positioning the clamping protrusion; 6. a third hole groove; 10. a support; 11. a chute; 12. a second card slot; 20. pressing a plate; 21. an avoidance groove; 30. a slider; 31. a first clamping groove 40 and a buckle plate; 41. step hole groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-5, an opening and closing device of a mold ejection mechanism is arranged on a movable mold, the movable mold comprises a bottom plate 1, a stripper plate 3 and a movable mold plate 4, an ejector plate 2 is arranged on the bottom plate 1, a plurality of ejector pins are arranged on the ejector plate 2, each ejector pin extends onto the movable mold plate 4, and a limit screw is arranged between the stripper plate 3 and the movable mold plate 4; the switching device is arranged on the side wall of the movable mold and comprises:

the support 10 is detachably and fixedly arranged on the ejector plate 2, and is provided with a chute 11 extending towards the direction of the movable template 4;

the pressing plate 20 is detachably and fixedly arranged at the end part of the support 10; the pressing plate 20 is arranged at the side of the movable template 4;

the sliding block 30 is arranged in the sliding groove 11, one end part of the sliding block is detachably and fixedly connected with the stripper plate 3, and the other end part of the sliding block passes through the pressing plate 20 and extends to the outer side of the support 10; a first clamping groove 31 is formed in the side wall, close to the movable template 4, of the sliding block 30;

the pinch plate 40 is embedded in the side wall of the movable template 4 through a limit nail, and one end part of the pinch plate is matched with the first clamping groove 31 and extends to the outer side of the movable template 4; the buckle plate 40 can be completely pressed into the movable mould plate 4 by the slide block 30 so as to enable relative movement between the movable mould plate 4 and the stripper plate 3, and when the buckle plate 40 extends into the first clamping groove 31, the movable mould plate 4 and the stripper plate 3 are kept relatively static.

Specifically, the side walls of the support 10 and the ejector plate 2 are respectively provided with a second clamping groove 12, and a positioning clamping protrusion 5 is arranged in the two second clamping grooves 12 in a matching manner.

Specifically, the pressure plate 20 is provided with an avoiding groove 21 adapted to the slider 30.

Specifically, the side walls of the first engaging groove 31 and the fastening plate 40 are both provided with an inclined surface or an arc surface.

Specifically, the buckle plate 40 is provided with a step hole groove 41 adapted to the limit nail.

Specifically, a plurality of first positioning holes are formed in the side wall of the ejector pin plate 2; more than one second positioning hole is formed in the side wall of the stripper plate 3; the movable mould plate 4 is provided with a third hole groove 6 matched with the pinch plate 40, and the inner wall of the third hole groove 6 is provided with more than one fourth hole matched with the limit nail.

This is with novel through setting up the support on the thimble board of movable mould, set up slider and clamp plate on the support to set up the buckle between slider and movable mould board, the spacing part of complicated stroke in the fungible mould forms the switching device that can control each board relative action in order to realize the segmentation die sinking on the lateral wall of movable mould, simple structure, the action is reliable, the stable performance, it is convenient to assemble, and need not to maintain, can carry out the modular production, can be applicable to the mould of isostructure, application scope is extensive.

The working process of the utility model is as follows:

when the mould is in a mould closing state, the pinch plate 40 extends out of the movable mould plate 4 and extends into the first clamping groove 31, and the ejector plate 2 and the movable mould plate 4 are locked together. When the mold is opened, the mold opening force drives the movable mold plate 4 to separate, and the stripper plate 3 and the movable mold plate 4 are stationary after being separated for a certain distance under the action of the limiting screws, so that the mold opening at the first stage is completed. In the process, the slide block 30 moves relative to the movable template 4, and the buckle plate 40 is pressed into the movable template 4, so that the movable template 4 and the stripper plate 3 are unlocked and can move relatively; the ejector pin plate 2 is driven by external force to move, and the ejector pins on the ejector pin plate 2 push the plastic part in the cavity on the movable die plate 4 to move, so that the second-stage die opening is realized, and the plastic part is separated from the movable die. When the die is closed again, the ejector pins extend into the movable die plate 4, the ejector pin plate 2 drives the support 10 to move, the press plate 20, the slide block 30 and the movable die plate 4 move relatively, and the pinch plate 40 slides into the first clamping groove 31.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The opening and closing device of the plastic mold ejection mechanism is characterized by being arranged on a movable mold, wherein the movable mold comprises a bottom plate, a stripper plate and a movable mold plate, an ejector plate is arranged on the bottom plate, a plurality of ejector pins are arranged on the ejector plate, each ejector pin extends to the movable mold plate, and a limit screw is arranged between the stripper plate and the movable mold plate; the switching device is established on the lateral wall of movable mould includes:

2. The mold ejector mechanism as claimed in claim 1, wherein the support and the ejector plate each have a second engaging groove formed on a side wall thereof, and a positioning protrusion is fitted into each of the second engaging grooves.

3. The mold ejector mechanism as in claim 1, wherein the platen has an escape groove adapted to the slider.

4. The mold ejection mechanism opening and closing device as claimed in claim 1, wherein the first engaging groove and the engaging plate are provided with a slope or a curved surface on the side wall.

5. The mold ejection mechanism opening and closing device as claimed in claim 1, wherein the clip has a stepped hole groove adapted to the stopper pin.

6. An opening and closing device for a mold ejector mechanism according to any one of claims 1 to 5, wherein the ejector plate is provided with a plurality of first positioning holes on a side wall thereof; more than one second positioning hole is formed in the side wall of the stripper plate; the movable template is provided with a third hole groove matched with the pinch plate, and the inner wall of the third hole groove is provided with more than one fourth hole matched with the limit nail.