CN213533629U

CN213533629U - Ejection mechanism of injection molding equipment

Info

Publication number: CN213533629U
Application number: CN202021306183.7U
Authority: CN
Inventors: 吕凤春; 赵广辉
Original assignee: Shenyang Zhongmin Mould Technology Co ltd
Current assignee: Shenyang Zhongmin Mould Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-06-25
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses an ejection mechanism of injection moulding device, including injection mold body and electric telescopic handle, the upper end of injection mold body is equipped with the injection mold chamber, the intercommunication is equipped with the through-hole on the injection mold body lateral wall, electric telescopic handle fixed mounting is on the bottom of through-hole, all be equipped with slide mechanism on the relative inner wall in both ends of through-hole, be equipped with same backup pad between two slide mechanism, electric telescopic handle's the output and the lower extreme fixed connection of backup pad, many lifters of upper end fixedly connected with of backup pad needle, the equal sliding seal in upper end of many lifters needle runs through the bottom setting of injection mold chamber, two cooling mechanisms of fixedly connected with on the bottom of through-hole, two cooling mechanisms all with the lower extreme fixed connection of backup pad, the end of giving vent to anger of two cooling mechanisms all runs through the inner wall setting. The utility model discloses can not only carry out the liftout to the work piece steadily, can also cool down the work piece effectively.

Description

Ejection mechanism of injection molding equipment

Technical Field

The utility model relates to a technical field that moulds plastics especially relates to an ejection mechanism of injection moulding device.

Background

The injection molding is a method for producing and molding industrial products, the products are generally made of rubber and plastic, an injection mold is needed during injection molding, and an ejection mechanism is generally arranged on the injection mold in order to facilitate blanking of workpieces after injection molding is finished.

Most of injection molding equipment used in the current market can not stably eject injection molded workpieces and can not effectively cool the injection molded workpieces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that injection moulding device can not carry out the liftout to the work piece after moulding plastics steadily mostly, and can not carry out the phenomenon of cooling to the work piece after moulding plastics effectively, and the ejection mechanism of an injection moulding device who provides, it can not only carry out the liftout to the work piece steadily, can also cool down to the work piece effectively.

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

an ejection mechanism of injection molding equipment comprises an injection mold body and an electric telescopic rod, wherein an injection mold cavity is arranged at the upper end of the injection mold body, the side wall of the injection mould body is communicated with a through hole, the electric telescopic rod is fixedly arranged on the bottom of the through hole, the two opposite inner walls of the through hole are provided with sliding mechanisms, a same supporting plate is arranged between the two sliding mechanisms, the output end of the electric telescopic rod is fixedly connected with the lower end of the supporting plate, the upper end of the supporting plate is fixedly connected with a plurality of ejector pins, the upper ends of the ejector pins are arranged by sliding and sealing through the bottom of the injection molding die cavity, two cooling mechanisms are fixedly connected to the bottom of the through hole, the two cooling mechanisms are fixedly connected with the lower end of the supporting plate, and the air outlet end of each cooling mechanism penetrates through the inner wall of the through hole and acts on the injection molding die cavity.

Preferably, slide mechanism is including setting up the spout on the one end inner wall of through-hole, be equipped with assorted slider with it in the spout, fixedly connected with spring post on the top of spout, the upper end fixed connection of the free end of spring post and slider, the both ends lateral wall of backup pad is equallyd divide do not with the one end lateral wall fixed connection of two sliders, slide mechanism's setting has improved the stability when liftout needle liftout.

Preferably, the spring post includes that both ends are equallyd divide do not with spout top and slider upper end fixed connection's flexible post, the cover is equipped with the spring on the flexible post, the both ends of spring are equallyd divide do not with the top of spout and the upper end fixed connection of slider, and the setting of spring post can cushion the removal of slider effectively.

Preferably, cooling mechanism includes the seal box of fixed connection on the through-hole bottom, sliding seal connects with its assorted piston board in the seal box, the upper end fixedly connected with piston rod of piston board, the upper end sliding seal of piston rod run through the seal box top set up and with the lower extreme fixed connection of backup pad, be located all the intercommunication is equipped with intake pipe and outlet duct in the seal box at both ends about the piston board, two equal fixed mounting has a check pressure valve, two on intake pipe and the two outlet ducts equal inner wall setting that runs through the through-hole is run through to the end of giving vent to anger of outlet duct, is located on two outlet ducts intercommunication outside the through-hole set to same end of giving vent to anger and act on the die cavity of moulding plastics, cooling mechanism's setting can be cooled down to the work piece.

Preferably, many equal fixed mounting has a dust guard in the inlet end of intake pipe, and the setting of dust guard has improved the cleanliness factor that gets into the interior air current of intake pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up injection mold body, electric telescopic handle, injection mold chamber, through-hole, backup pad, liftout needle, spout, slider and spring post etc. can carry out the liftout to the work piece steadily, and then be convenient for mechanical equipment or staff get the material to the work piece, and wherein the setting of spring post can cushion the removal of slider effectively.

2. The utility model discloses a set up injection mold body, electric telescopic handle, injection mold chamber, through-hole, backup pad, liftout needle, spout, slider and spring post etc. can cool down the processing to the work piece effectively, and then improved the radiating efficiency of work piece effectively to the follow-up processing of the work piece of being convenient for, the cleanliness factor of the interior air current of entering air inlet has been improved to the setting of wherein dust guard.

Drawings

Fig. 1 is a perspective view of an ejection mechanism of an injection molding apparatus according to the present invention;

fig. 2 is a schematic external structural diagram of an ejection mechanism of an injection molding apparatus according to the present invention;

fig. 3 is a representation of the operation of the ejection mechanism of the injection molding apparatus provided by the present invention.

In the figure: 1 injection mold body, 2 electric telescopic rod, 3 injection mold cavities, 4 through-holes, 5 backup pads, 6 liftout needles, 7 spouts, 8 sliders, 9 spring posts, 10 seal boxes, 11 piston plates, 12 piston rods, 13 air inlet pipes, 14 air outlet pipes and 15 one-way pressure valves.

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. 1-3, an ejection mechanism of injection molding equipment, including injection mold body 1 and electric telescopic handle 2, the upper end of injection mold body 1 is equipped with injection mold cavity 3, the intercommunication is equipped with through-hole 4 on the lateral wall of

injection mold body

1, 2 fixed mounting of electric telescopic handle are on the bottom of through-hole 4, all be equipped with slide mechanism on the relative inner wall in both ends of through-hole 4, be equipped with same backup pad 5 between two slide mechanism, electric telescopic handle 2's output and backup pad 5's lower extreme fixed connection, many lifters 6 of backup pad 5's upper end fixedly connected with, the equal sliding seal in upper end of many lifters 6 runs through the bottom setting of injection mold cavity 3, two cooling mechanism of fixedly connected with on the bottom of through-hole 4, two cooling mechanism all with the lower extreme fixed connection of backup pad 5, the end of giving vent to anger of two cooling mechanisms all runs through the.

Slide mechanism is including setting up spout 7 on 4 one end inner walls of through-hole, be equipped with assorted slider 8 with it in spout 7, fixedly connected with spring post 9 on spout 7's the top, the free end of spring post 9 and slider 8's upper end fixed connection, the both ends lateral wall of backup pad 5 is equallyd divide do not with two slider 8's one end lateral wall fixed connection, slide mechanism's setting, stability when having improved 6 liftings of liftout needle, spring post 9 includes that both ends are equallyd divide do not with spout 7 top and slider 8 upper end fixed connection's flexible post, the cover is equipped with the spring on the flexible post, the both ends of spring are equallyd divide do not with spout 7's top and slider 8's upper end fixed connection, the setting of spring post 9, can cushion slider 8's.

The cooling mechanism comprises a sealing box 10 fixedly connected to the bottom of the through hole 4, a piston plate 11 matched with the sealing box 10 is connected in a sliding sealing manner in the sealing box 10, a piston rod 12 is fixedly connected to the upper end of the piston plate 11, the upper end of the piston rod 12 penetrates through the top of the sealing box 10 in a sliding sealing manner and is fixedly connected with the lower end of the supporting plate 5, an air inlet pipe 13 and an air outlet pipe 14 are respectively communicated and arranged in the sealing box 10 at the upper end and the lower end of the piston plate 11, a one-way pressure valve 15 is respectively and fixedly arranged on the two air inlet pipes 13 and the two air outlet pipes 14, the air outlet ends of the two air outlet pipes 14 penetrate through the inner wall of the through hole 4, the two air outlet pipes 14 outside the through hole 4 are communicated and arranged into the same air outlet end and act on the injection molding die cavity 3, the arrangement of the dust-proof plate improves the cleanliness of the air flow entering the air inlet pipe 13, and it should be noted that the dust-proof plate is not shown in the drawing.

It should be noted that, as shown in fig. 3, the same outlet end formed by the two outlet pipes 14 is arranged in a bucket shape, and the bucket shape effectively increases the acting area of the air flow in the outlet pipe 14, and the arrangement of the two outlet pipes has no influence on the use of the mold clamping.

It should be noted that, as shown in fig. 1, before the plurality of ejector pins 6 eject material, their upper ends are all arranged to penetrate through the bottom of the injection mold cavity 3 in a sliding and sealing manner and are at the same level with the bottom thereof.

It should be noted that, the structure used in the present invention is made of high temperature resistant material, which is the prior art and is not repeated herein.

It should be noted that the one-way pressure valve 15 on the air inlet pipe 13 controls the air flow to enter the seal box 10 only from the outside, and the one-way pressure valve 15 on the air outlet pipe 14 controls the air flow to be sprayed out only from the seal box 10 and act on the workpiece in the injection mold cavity 3, and it should be noted that the air inlet pipe 13 and the air outlet pipe 14 are not blocked in the up-and-down reciprocating movement process of the piston plate 11, which is the prior art and is not described herein again.

The working principle is as follows: as shown in fig. 3, after the injection mold body 1 and the corresponding forming mold are closed and injection molded into a complete workpiece, the workpiece can be demolded by using a plurality of ejector pins 6, when demolding is required, the electric telescopic rod 2 is started to work, the electric telescopic rod 2 drives the support plate 5 and the plurality of ejector pins 6 to ascend synchronously, so that the plurality of ejector pins 6 eject the workpiece, so that the workpiece is demolded smoothly, after demolding is finished, the electric telescopic rod 2 drives the support plate 5 and the plurality of ejector pins 6 to move downwards until the support plate is reset, wherein in the process of moving upwards and downwards of the support plate 5, the air pressure in the spaces at the upper end and the lower end of the piston plate 11 is changed, so that the one-way pressure valve 15 on the air inlet pipe 13 controls the air flow to enter the seal box 10 from the outside, the one-way pressure valve 15 on the air outlet pipe 14 controls the air flow to be ejected from the, it should be noted that the same air outlet end formed by the two air outlet pipes 14 is arranged in a bucket shape, and the bucket shape effectively increases the acting area of the air flow in the air outlet pipe 14, so as to effectively cool the demolded workpiece.

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. An ejection mechanism of injection molding equipment comprises an injection molding mold body (1) and an electric telescopic rod (2), wherein an injection molding mold cavity (3) is arranged at the upper end of the injection molding mold body (1), and is characterized in that a through hole (4) is communicated with the side wall of the injection molding mold body (1), the electric telescopic rod (2) is fixedly installed on the bottom of the through hole (4), sliding mechanisms are respectively arranged on the opposite inner walls at the two ends of the through hole (4), a same supporting plate (5) is arranged between the two sliding mechanisms, the output end of the electric telescopic rod (2) is fixedly connected with the lower end of the supporting plate (5), a plurality of ejection needles (6) are fixedly connected with the upper end of the supporting plate (5), the upper ends of the ejection needles (6) are arranged in a sliding sealing manner and penetrate through the bottom of the injection molding mold cavity (3), and two cooling mechanisms are fixedly connected with the bottom of the, two cooling mechanism all with the lower extreme fixed connection of backup pad (5), two cooling mechanism's the end of giving vent to anger all runs through the inner wall setting of through-hole (4) and acts on injection mold die cavity (3).

2. The ejection mechanism of an injection molding device according to claim 1, wherein the sliding mechanism includes a sliding groove (7) disposed on an inner wall of one end of the through hole (4), a sliding block (8) is disposed in the sliding groove (7) and is matched with the sliding groove, a spring column (9) is fixedly connected to a top of the sliding groove (7), a free end of the spring column (9) is fixedly connected to an upper end of the sliding block (8), and side walls of two ends of the support plate (5) are equally connected to side walls of one end of the two sliding blocks (8).

3. The ejection mechanism of an injection molding device according to claim 2, wherein the spring post (9) comprises a telescopic post having two ends fixedly connected to the top of the sliding chute (7) and the upper end of the sliding block (8), respectively, the telescopic post is sleeved with a spring, and the two ends of the spring are fixedly connected to the top of the sliding chute (7) and the upper end of the sliding block (8), respectively.

4. The ejection mechanism of an injection molding device according to claim 1, wherein the cooling mechanism comprises a sealing box (10) fixedly connected to the bottom of the through hole (4), the sealing box (10) is connected with a piston plate (11) matched with the sealing box in a sliding and sealing manner, the upper end of the piston plate (11) is fixedly connected with a piston rod (12), the upper end of the piston rod (12) penetrates through the top of the sealing box (10) in a sliding and sealing manner and is fixedly connected with the lower end of the support plate (5), the sealing boxes (10) at the upper end and the lower end of the piston plate (11) are respectively communicated with an air inlet pipe (13) and an air outlet pipe (14), the two air inlet pipes (13) and the two air outlet pipes (14) are respectively and fixedly provided with a one-way pressure valve (15), and the air outlet ends of the two air outlet pipes (14) penetrate through the inner, two air outlet pipes (14) positioned outside the through hole (4) are communicated to form the same air outlet end and act on the injection molding die cavity (3).

5. An ejection mechanism of an injection molding apparatus according to claim 4, wherein a dust guard is fixedly installed in each of the air inlet ends of the plurality of air inlet pipes (13).