CN219325495U

CN219325495U - Asynchronous time-delay ejection mechanism for plastic mold

Info

Publication number: CN219325495U
Application number: CN202320013354.4U
Authority: CN
Inventors: 魏道荣; 余焕章
Original assignee: Swift Electronic Technology Shanghai Co ltd
Current assignee: Swift Electronic Technology Shanghai Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-07-11
Anticipated expiration: 2033-01-04

Abstract

The utility model relates to the technical field of molds, in particular to an asynchronous time-delay ejection mechanism for a plastic mold, which comprises a jacking block body, a pressing plate and a jacking rod, wherein the jacking block body is movably sleeved on the jacking rod, and a sliding block is arranged on the jacking block body. According to the utility model, by utilizing the elastic resetting effect of the resetting auxiliary spring, the smooth resetting of the sliding block is realized, the sliding block is driven to move horizontally by the firing movement of the ejector rod and the ejector rod, and as the two sides of the sliding block and the fixed plate which are opposite are designed to be double-layer step inclined planes, the fixed plate is driven to move up and down by the movement of the sliding block in the horizontal direction, and the plastic mold has an asynchronous time-delay ejection mechanism, and has the following advantages: the mould core-pulling function is realized by using a smaller mechanism, the mechanism is fixed by using the mould, an oil cylinder system is replaced, the mould cost is saved, the structure is simplified, the stability is enhanced, the mechanism is arranged inside the mould and is installed once, and the disassembly and the installation are not needed when the machine is started and stopped.

Description

Asynchronous time-delay ejection mechanism for plastic mold

Technical Field

The utility model relates to the technical field of molds, in particular to an asynchronous time-delay ejection mechanism for a plastic mold.

Background

The mould industry is used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods to obtain various moulds and tools of the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. The term "industrial mother" is used.

Disadvantages of the conventional mechanism:

1. the prior art has the defects that a complex hydraulic cylinder auxiliary mechanism is additionally arranged for realizing core pulling and ejection of a product, the occupied space is large, the size of the whole die is increased, and the corresponding injection molding machine is also increased after the die is increased;

2. the overall cost of the die is increased;

3. the stability of the mechanism is poor, and long-time debugging is needed during assembly;

4. the assembly is inconvenient, and the die needs to be installed and disassembled once when the die is on or off.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides an asynchronous time-delay ejection mechanism for a plastic mold.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a be used for plastic mould to have asynchronous time delay ejection mechanism, includes kicking block body, clamp plate and ejector pin, kicking block body activity cup joints on the ejector pin, install the sliding block on the kicking block body, the quantity of clamp plate is two, two the clamp plate is installed respectively in the both sides of sliding block, the fixed plate is installed to the upper end of sliding block, fixed mounting has reset auxiliary spring in the sliding block.

As a preferable technical scheme of the utility model, the surface of the sliding block is provided with a clamping groove.

As a preferable technical scheme of the utility model, the end part of the top block body is movably arranged in the clamping groove.

As a preferable technical scheme of the utility model, grooves are formed on two sides of the upper surface of the sliding block, and the end parts of the two pressing plates are respectively movably arranged in the grooves.

As a preferable technical scheme of the utility model, the surface of the sliding block is provided with a circular groove, and the reset auxiliary spring is fixedly arranged in the circular groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. the ejector pad body is installed in the guide way of template, only do the action from top to bottom, upward movement through the ejector pin, make the ejector pad body upwards move, the inclined plane has been seted up to this internal division of ejector pad, the effort can be applyed to the slider on the inclined plane, make the slider carry out the motion on the horizontal direction, slider and clamp plate upper edge both sides are pushed down, can only limited space do the upward motion of level, can not tilt up and down, ejector pin and ejector pad body are by the ejecting reset spring of mould when rebound down, the ejector pad body passes through inclined plane both sides slot pull back slider and back movement, utilize reset auxiliary spring's elasticity reset effect simultaneously, so that the smooth reset of slider, ejector pad body and ejector pin are gone up the fire and can be driven the slider and carry out the motion of horizontal direction, because slider and fixed plate are double-deck step inclined plane design to the both sides to right, consequently, can drive the fixed plate through the motion on the slider horizontal direction, this is used for the plastic mould to have asynchronous time-delay ejection mechanism, have the advantage: the mould core-pulling function is realized by using a smaller mechanism, the mechanism is fixed by using the mould, an oil cylinder system is replaced, the mould cost is saved, the structure is simplified, the stability is enhanced, the mechanism is arranged inside the mould and is installed once, and the disassembly and the installation are not needed when the machine is started and stopped.

Drawings

FIG. 1 is a schematic diagram of a plastic mold with an asynchronous time-delay ejection mechanism according to the present utility model;

FIG. 2 is a schematic view of the structure of the top block body of the present utility model;

fig. 3 is a schematic structural view of a slider according to the present utility model.

Wherein: 1. a top block body; 2. a pressing plate; 3. a push rod; 4. a sliding block; 41. a clamping groove; 42. a groove; 43. a circular groove; 5. a return auxiliary spring; 6. and (5) fixing a plate.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

As shown in fig. 1, 2 and 3, the asynchronous time-delay ejection mechanism for the plastic mold comprises a top block body 1, a pressing plate 2 and a top rod 3, wherein the top block body 1 is movably sleeved on the top rod 3, sliding blocks 4 are installed on the top block body 1, the number of the pressing plates 2 is two, the two pressing plates 2 are respectively installed on two sides of the sliding blocks 4, a fixed plate 6 is installed at the upper end part of the sliding blocks 4, a reset auxiliary spring 5 is fixedly installed in the sliding blocks 4, clamping grooves 41 are formed in the surfaces of the sliding blocks 4, the top block body 1 is installed in a guide groove of a template and only moves up and down, the top block body 1 moves upwards through upward movement of the top rod 3, an inclined plane is formed in the top block body 1, the inclined plane can apply acting force on the sliding blocks 4, so that the sliding blocks 4 move horizontally, the two sides of the upper edges of the sliding blocks 4 and the pressing plates 2 are pressed, when the ejector rod 3 and the ejector block body 1 are pushed back downwards by the ejection return springs of the die and rebound downwards, the ejector block body 1 pulls the sliding block 4 back to move through grooves on two sides of the inclined plane, and simultaneously, the elastic return action of the return auxiliary springs 5 is utilized to facilitate the smooth return of the sliding block 4, the push block body 1 and the ejector rod 3 move upwards to drive the sliding block 4 to move horizontally, as the two opposite sides of the sliding block 4 and the fixed plate 6 are designed as double-layer step inclined planes, the fixed plate 6 is driven to move upwards and downwards by the movement of the sliding block 4 in the horizontal direction, the end parts of the ejector block body 1 are movably arranged in the clamping grooves 41, the two sides of the upper surface of the sliding block 4 are respectively provided with the grooves 42, the end parts of the two pressing plates 2 are respectively movably arranged in the grooves 42, the surface of the sliding block 4 is provided with the circular grooves 43, the return assist spring 5 is fixedly mounted in the circular groove 43.

When the die plate is used, the ejector block body 1 is installed in the guide groove of the die plate and only moves up and down, the ejector rod 3 moves upwards, the ejector block body 1 moves upwards, the inclined surface is arranged in the ejector block body 1, acting force is applied to the sliding block 4 by the inclined surface, the sliding block 4 moves horizontally, two sides of the upper edge of the sliding block 4 and the upper edge of the pressing plate 2 are pressed, only limited space can move horizontally upwards and cannot tilt up and down, when the ejector rod 3 and the ejector block body 1 are subjected to downward rebound movement by the ejection reset spring of the die, the ejector block body 1 pulls the sliding block 4 back to move through grooves on two sides of the inclined surface, meanwhile, the elastic reset action of the reset auxiliary spring 5 is utilized, so that the sliding block 4 is reset smoothly, the upper fire of the ejector block body 1 and the ejector rod 3 can drive the sliding block 4 to move horizontally, and as the two sides of the sliding block 4 and the fixed plate 6 are designed in a double-layer step inclined surface, and the fixed plate 6 can be driven to move up and down through the movement of the sliding block 4 horizontally.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A be used for plastic mould to have asynchronous time delay ejection mechanism, includes kicking block body (1), clamp plate (2) and ejector pin (3), its characterized in that, kicking block body (1) activity cup joints on ejector pin (3), install sliding block (4) on kicking block body (1), the quantity of clamp plate (2) is two, two clamp plate (2) are installed respectively in the both sides of sliding block (4), fixed plate (6) are installed to the upper end of sliding block (4), fixed mounting has reset auxiliary spring (5) in sliding block (4).

2. A mechanism for ejecting plastic moulds with asynchronous delay according to claim 1, characterized in that the surface of the sliding block (4) is provided with a clamping groove (41).

3. A mould according to claim 2, having an asynchronous time-delay ejection mechanism, characterized in that the end of the ejector body (1) is movably arranged in a clamping groove (41).

4. The ejection mechanism for plastic molds with asynchronous time delay according to claim 1, wherein grooves (42) are formed on two sides of the upper surface of the sliding block (4), and the ends of the two pressing plates (2) are respectively movably arranged in the grooves (42).

5. A mechanism for ejecting plastic moulds with asynchronous delay according to claim 1, characterized in that the surface of the sliding block (4) is provided with a circular groove (43), and the return auxiliary spring (5) is fixedly arranged in the circular groove (43).