CN211441005U

CN211441005U - Plastic mould ejection mechanism

Info

Publication number: CN211441005U
Application number: CN201921970147.8U
Authority: CN
Inventors: 李迎宾
Original assignee: Qingdao Tianhai Rubber And Plastic Products Co ltd
Current assignee: Qingdao Tianhai Rubber And Plastic Products Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-08
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a plastic mould ejection mechanism, including fixing at subaerial extension board one and extension board two, extension board two is close to fixedly connected with cover half on the lateral wall of extension board one side, one side that extension board one is close to extension board two is equipped with the movable mould, form the chamber of moulding plastics between movable mould and the cover half, it has a plurality of gas pockets to run through on one side lateral wall that the movable mould is close to the chamber of moulding plastics. The utility model discloses a hydraulic stem and the stop device that set up combine push pedal and telescopic link, can utilize the air pump to cool down the plastic part of cover on the movable mould lateral wall after accomplishing the machine-shaping to moulding, and it is not hard up to produce between the shrink back and the movable mould lateral wall to mould the part, then recycles the push rod and will mould on the driven mould ejecting, is convenient for carry out the shaping of moulding on next step.

Description

Plastic mould ejection mechanism

Technical Field

The utility model relates to a plastics production processing machinery field especially relates to a plastic mould ejection mechanism.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes. Plastic molds are the parent of the industry, and new product releases now involve plastics.

After accomplishing product injection moulding process, need to mould the piece ejecting with processing, but because mould the piece and mould plastics by liquid plastics and form, do not cool off completely this moment, still have certain viscosity, so simple to use ejection mechanism directly takes out it, causes the damage of moulding the piece very easily, influences the qualification rate of product, has also reduced the production efficiency of product, consequently, need to design a plastic mould ejection mechanism to solve this type of problem urgently.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the just-formed plastic part still has certain viscosity, so the plastic part is directly taken out by using a simple ejection mechanism, the plastic part is easily damaged, the qualification rate of the product is influenced, and the production efficiency of the product is also reduced.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plastic mould ejection mechanism, is including fixing at subaerial extension board one and extension board two, fixedly connected with cover half on the lateral wall that extension board one side is close to extension board two, one side that extension board one is close to extension board two is equipped with the movable mould, form the chamber of moulding plastics between movable mould and the cover half, it has a plurality of gas pockets to run through on the lateral wall of one side that the movable mould is close to the chamber of moulding plastics, one side that extension board two was kept away from to extension board one is equipped with the air pump, fixedly connected with air distribution disc on the lateral wall that extension board one side is close to extension board two one side, be connected with the trachea between air distribution disc and the air pump, the one end that air distribution disc is close to the movable mould is equipped with a plurality of air hoses, just fixedly connected with.

Preferably, the telescoping device is including being located two hydraulic stems that divide the gas dish bilateral symmetry to set up, the one end of hydraulic stem and the lateral wall fixed connection of extension board one, the one end fixedly connected with push pedal of extension board one is kept away from to the hydraulic stem, just a plurality of poles of supporting of fixedly connected with on the lateral wall that the push pedal is close to injection molding chamber one side, it is downthehole that the pole extends to the gas to support, the symmetry is equipped with two sets of telescopic links on the lateral wall that the hydraulic stem one side was kept away from to the push pedal, the one end that the push pedal was kept away from to the telescopic link and the lateral wall fixed connection of movable mould, the telescopic link is the setting of staggering each other with supporting the pole.

Preferably, stop device includes that the symmetry sets up two sliders on the lateral wall of movable mould both sides, just the symmetry is equipped with two diaphragms on the lateral wall of cover half both sides, the diaphragm is equipped with the spout on being close to the lateral wall of movable mould one side, slider sliding connection is in the spout.

Preferably, a conveyor belt is arranged below the movable die, an injection molding pipe is arranged on one side of the second support plate, and the injection molding pipe penetrates through the side wall of the fixed die.

Preferably, two through holes are symmetrically formed in two ends of the movable die, two push rods are symmetrically arranged on the side wall of the support plate, close to one side of the movable die, and the push rods extend into the through holes.

The utility model has the advantages that: through the hydraulic stem and the stop device that set up, combine push pedal and telescopic link, can utilize the air pump to cool down the plastic part of cover on the movable mould lateral wall after accomplishing the machine-shaping to moulding, mould and produce between the shrink back and the movable mould lateral wall not hard up, then it is ejecting from the movable mould to recycle the push rod will mould, is convenient for carry out the shaping of moulding on next step.

Drawings

Fig. 1 is a schematic front structural view of a plastic mold ejection mechanism provided in the present invention;

FIG. 2 is a schematic structural diagram of the movable mold and the fixed mold after being separated;

FIG. 3 is an enlarged view of the structure A in FIG. 1;

FIG. 4 is an enlarged view of the structure B in FIG. 1;

fig. 5 is an enlarged view of the structure C in fig. 2.

In the figure: the device comprises a first support plate 1, a second support plate 2, a fixed die 3, a movable die 4, a push plate 5, a support rod 6, a telescopic rod 7, an injection molding cavity 8, air holes 9, through holes 10, a push rod 11, a hydraulic rod 12, an air pump 13, an air pipe 14, an air distribution disc 15, an air conveying hose 16, a conveying belt 17, an injection molding pipe 18, a sliding block 19, a transverse plate 20 and a sliding groove 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a plastic mold ejection mechanism comprises a first support plate 1 and a second support plate 2 fixed on the ground, a fixed mold 3 is fixedly connected to the side wall of the second support plate 2 close to the first support plate 1, a movable mold 4 is arranged on the side of the first support plate 1 close to the second support plate 2, an injection molding cavity 8 is formed between the movable mold 4 and the fixed mold 3, a conveyor belt 17 is arranged below the movable mold 4, an injection molding pipe 18 is arranged on one side of the second support plate 2, the injection molding pipe 18 penetrates through the side wall of the fixed mold 3, liquid plastic is injected into the injection molding cavity 8 through the injection molding pipe 18, then the movable mold 4 and the fixed mold 3 are used for extrusion molding, a plurality of air holes 9 penetrate through the side wall of the movable mold 4 close to the injection molding cavity 8, two through holes 10 are symmetrically arranged at two ends of the movable mold 4, two push rods 11 are symmetrically arranged on, after the plastic part is formed, the push rod 11 is used for ejecting the plastic part out of the movable mold 4, an air pump 13 is arranged on one side, away from the support plate two 2, of the support plate one 1, an air distribution disc 15 is fixedly connected to the side wall, close to the support plate two 2, of the support plate one 1, an air pipe 14 is connected between the air distribution disc 15 and the air pump 13, a plurality of air conveying hoses 16 are arranged at one end, close to the movable mold 4, of the air distribution disc 15, air is blown into the air holes 9 through the air pump 13, the plastic part is cooled, the plastic part is loosened with the side wall of the movable mold 4 after being cooled, the plastic part is convenient to eject out, and a telescopic device is fixedly connected to;

two limiting devices are symmetrically arranged at two ends of the fixed die 3, each telescopic device comprises two hydraulic rods 12 symmetrically arranged at two sides of the gas distribution disc 15, one end of each hydraulic rod 12 is fixedly connected with the side wall of the first support plate 1, one end of each hydraulic rod 12 far away from the first support plate 1 is fixedly connected with a push plate 5, the side wall of the push plate 5 close to one side of the injection molding cavity 8 is fixedly connected with a plurality of supporting rods 6, each supporting rod 6 extends into the air hole 9, two groups of telescopic rods 7 are symmetrically arranged on the side wall of the push plate 5 far away from one side of the hydraulic rods 12, one end of each telescopic rod 7 far away from the push plate 5 is fixedly connected with the side wall of the movable die 4, the telescopic rods 7 and the supporting rods 6 are arranged in a mutually staggered manner, one end of the gas hose 16 far away from the gas distribution disc 15 penetrates through the side wall of the push plate 5, each limiting device comprises, the side wall of the transverse plate 20 close to one side of the movable mold 4 is provided with a sliding groove 21, a sliding block 19 is connected in the sliding groove 21 in a sliding manner, after the hydraulic rod 12 extends, the pushing plate 5 moves towards the injection molding cavity 8 to drive the telescopic rod 7 to contract, after the telescopic rod 7 contracts to the limit, the pushing plate 5 pushes the movable mold 4 to move towards the fixed mold 3, so that the sliding block 19 slides towards the fixed mold 3 and finally is limited by the sliding groove 21, the air hole 9 is blocked by the abutting rod 6, liquid plastic is prevented from flowing out of the air hole 9 during injection molding, product molding is influenced, after injection molding is completed, the hydraulic rod 12 contracts to drive the pushing plate 5 and the movable mold 4 to move towards the supporting plate 1 together, after the sliding block 19 on the movable mold 4 slides to one end of the sliding groove 21, the movable mold 4 cannot move towards the supporting plate 1, and the pushing plate 5 continues to move towards the supporting plate 1, so that the abutting rod 6 is drawn, air pump 13 carries microthermal gas to one side that push pedal 5 is close to injection molding chamber 8, and gas then cools down through gas pocket 9 to moulding for it is not hard up with producing between the 4 lateral walls of movable mould, meanwhile, at the in-process of hydraulic stem 12 shrink, push rod 11 will mould slowly ejecting from movable mould 4, and gas produces certain pressure to moulding's lateral wall, makes ejecting process rapider, and the dynamics is even, avoids causing the damage of product.

The utility model discloses in, when using this mechanism, hydraulic stem 12 extends, make cover half 3 and movable mould 4 fold, through injection molding pipe 18 to injection moulding 8 in the chamber liquid plastics, cover half 3 and movable mould 4 carry out extrusion to it, wait to mould the shaping back of being general, hydraulic stem 12 shrink, thereby let movable mould 4 remove towards extension board 1's direction, slider 19 on the movable mould 4 slides the one end to spout 21, movable mould 4 stops to remove to extension board 1 direction, telescopic link 7 extends, the pulling is taken out from gas pocket 9 to support pole 6, air pump 13 cools down to the plastic part through gas pocket 9, make it contract and produce between the 4 lateral walls of movable mould not hard up, in this process, push rod 11 is ejecting from movable mould 4 with the plastic part, guarantee from this that the plastic part can be steady, ejecting on intact driven mould 4, moreover, the steam generator is simple in structure, and convenient for operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plastic mold ejection mechanism comprises a first support plate (1) and a second support plate (2) which are fixed on the ground, and is characterized in that a fixed mold (3) is fixedly connected to the side wall of one side, close to the first support plate (1), of the second support plate (2) of the second support plate (1), a movable mold (4) is arranged on one side, close to the second support plate (2), of the first support plate (1), an injection molding cavity (8) is formed between the movable mold (4) and the fixed mold (3), a plurality of air holes (9) penetrate through the side wall of one side, close to the injection molding cavity (8), of the movable mold (4), an air pump (13) is arranged on one side, far away from the second support plate (2), an air distribution plate (15) is fixedly connected to the side wall of one side, close to the second support plate (2), of the first support plate (1), an air pipe (14) is connected between the air distribution plate (15) and the, and the movable mold (4) is fixedly connected with a telescopic device on the side wall of one side of the second support plate (2), and two limiting devices are symmetrically arranged at two ends of the fixed mold (3).

2. The plastic mold ejection mechanism according to claim 1, wherein the telescopic device comprises two hydraulic rods (12) symmetrically arranged on both sides of the air distribution disc (15), one end of each hydraulic rod (12) is fixedly connected with the side wall of the first support plate (1), one end of each hydraulic rod (12) far away from the first support plate (1) is fixedly connected with a push plate (5), the side wall of the push plate (5) near one side of the injection molding cavity (8) is fixedly connected with a plurality of support rods (6), the support rods (6) extend into the air holes (9), two groups of telescopic rods (7) are symmetrically arranged on the side wall of the push plate (5) far away from the hydraulic rods (12), one end of each telescopic rod (7) far away from the push plate (5) is fixedly connected with the side wall of the movable mold (4), and the telescopic rods (7) and the support rods (6) are arranged in a staggered manner, and one end of the air hose (16) far away from the air distribution disc (15) penetrates through the side wall of the push plate (5).

3. The plastic mold ejection mechanism according to claim 1, wherein the limiting device comprises two sliding blocks (19) symmetrically disposed on two side walls of the movable mold (4), and two transverse plates (20) symmetrically disposed on two side walls of the fixed mold (3), a sliding slot (21) is disposed on a side wall of the transverse plate (20) close to one side of the movable mold (4), and the sliding blocks (19) are slidably connected in the sliding slot (21).

4. The plastic mold ejection mechanism according to claim 1, wherein a conveyor belt (17) is arranged below the movable mold (4), an injection molding pipe (18) is arranged on one side of the second support plate (2), and the injection molding pipe (18) is arranged to penetrate through the side wall of the fixed mold (3).

5. The plastic mold ejection mechanism of claim 1, wherein two through holes (10) are symmetrically formed at two ends of the movable mold (4), and two push rods (11) are symmetrically formed on the side wall of the support plate (1) close to one side of the movable mold (4), and the push rods (11) extend into the through holes (10).