CN217573871U

CN217573871U - Injection mold ejection mechanism

Info

Publication number: CN217573871U
Application number: CN202221473382.6U
Authority: CN
Inventors: 史闵新
Original assignee: Suzhou Haojun Automation Equipment Technology Co ltd
Current assignee: Suzhou Haojun Automation Equipment Technology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-14
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses an injection mold ejection mechanism, the on-line screen storage device comprises a base, the up end of base is connected with the backup pad through a plurality of bracing pieces, the up end mid-mounting of backup pad has the cylinder, the output of cylinder is connected with the lifter plate, the bottom face middle part of lifter plate is connected with the upper die base, the below of upper die base is equipped with the die holder, during the use, the cylinder drives the lifter plate downstream, and the stripper plate will drive the inboard motion of pressed plate, and the slide bar on left and right sides will move relatively, will promote the lift cover along the guide bar upward movement through the hinge bar during the slide bar relative motion on left and right sides, will drive the first slider phase-to-phase motion on left and right sides through the catch bar during lift cover upward movement, and the ejector bar under the effect of catch bar will slide downwards this moment, and the ejector bar will be put into and push away the material inslot portion, during the die sinking, and the slide bar on left and right sides will move away from the top of die holder, and then will stretch out the injection molding material.

Description

Injection mold ejection mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold ejection mechanism.

Background

The ejection mechanism of the injection mould is also called as a demoulding mechanism. In each cycle of injection molding, a plastic part must be taken out of a mold cavity, and a mechanism for finishing the action of taking out the plastic part is an ejection mechanism, wherein the ejection mechanism has the following two main functions, and when the mold is opened, the plastic part and the condensed materials of a pouring system are ensured to be smoothly ejected from the mold without deformation; however, in the prior art, a driving device is mostly used for driving an ejector rod to push the mold out of a mold cavity, the driving device is used for increasing the cost of the mold, the mold is not economical and environment-friendly, meanwhile, the driving device is continuously operated after the mold is opened and closed, and the operation is complicated, so that the ejection mechanism of the injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold ejection mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an ejection mechanism of an injection mold comprises a base, wherein the upper end face of the base is fixedly connected with a supporting plate through a plurality of supporting rods, the middle part of the upper end face of the supporting plate is fixedly provided with an air cylinder, the output end of the air cylinder is fixedly connected with a lifting plate, the middle part of the bottom end face of the lifting plate is fixedly connected with an upper mold base, the left side and the right side of the upper end face of the base are fixedly connected with fixed plates, the upper end faces of the left side fixed plate and the right side fixed plate are jointly connected with a mounting plate, the upper end face of the mounting plate is fixedly connected with a lower mold base, the left side and the right side of the upper end face of the lower mold base are respectively provided with a material pushing groove, an ejection rod is slidably arranged in the material pushing groove, the top end of the ejection rod is fixedly connected with an ejection block, the bottom end of the ejection rod is slidably arranged below the mounting plate, a guide rod is fixedly connected between the mounting plate and the base, and a lifting sleeve is slidably arranged on the outer surface of the guide rod, the left side and the right side of the bottom surface of the mounting plate are both provided with a first chute, the inside of the first chute is connected with a first slider in a sliding way, the bottom surface of the first slider is hinged with a pulling rod, the bottom of the pulling rod is hinged with the bottom of the ejector rod, the outer surface of the pulling rod is hinged with a pushing rod, the bottom of the pushing rod is hinged with the outer surface of the lifting sleeve, the outer surface of the fixing plate is penetrated with a sliding rod in a sliding way, one end of the sliding rod is fixedly connected with a pressure receiving plate, the other end of the sliding rod is hinged with a hinge rod, one end of the hinge rod, far away from the pressure receiving plate, is hinged with the outer surface of the lifting sleeve, the left side and the right side of the bottom surface of the lifting plate are both fixedly connected with an extrusion plate, the outer surface of the sliding rod is sleeved with a first spring, one end of the first spring is fixedly connected with the fixing plate, and the other end of the first spring is fixedly connected with the pressure receiving plate, an injection molding pipe is fixedly arranged on the upper die base in a penetrating mode.

Preferably, the bottom end face of the extrusion plate is provided with a first inclined plane, and the upper end face of the compression plate is provided with a second inclined plane matched with the first inclined plane.

Preferably, the outer surface of the supporting rod is slidably sleeved with a plurality of guide sleeves, and one side of the outer surface of each guide sleeve is fixedly connected with one side of the outer surface of the lifting plate.

Preferably, the outer surface of the guide rod is sleeved with a second spring, one end of the second spring is fixedly connected with the bottom end face of the mounting plate, and the other end of the second spring is fixedly connected with the upper end face of the lifting sleeve.

Preferably, a second sliding groove is formed in the left side and the right side of the upper end face of the base, a second sliding block is connected to the second sliding groove in a sliding mode, and the bottom end face of the pressed plate is fixedly connected with the upper end face of the second sliding block.

Preferably, an electric heating plate is fixedly embedded in the lower die base.

Compared with the prior art, the beneficial effects of the utility model are that: the ejection mechanism is convenient to use and simple in structure, when the ejection mechanism is used, the air cylinder drives the lifting plate to move downwards, the extrusion plate drives the pressed plate to move inwards, the slide bars on the left side and the right side move relatively, the first spring is compressed at the moment, the slide bars on the left side and the right side move upwards along the guide rod through the hinged rod when moving relatively, the lifting sleeve drives the first slide blocks on the left side and the right side to move away from each other through the pushing rod when moving upwards, the ejection rod under the action of the pulling rod slides downwards, the ejection block is combined into the material pushing groove, the injection molding operation can be prevented from being influenced by the ejection block, the upper die base and the lower die base are combined when the ejection block is combined into the material pushing groove, the air cylinder drives the lifting plate to move upwards, the slide bars on the left side and the right side move away from each other under the action of the first spring, the lifting sleeve moves downwards, the ejection rods on the left side and the right side stretch out of the upper die base to eject the injection molding material, and a driving device is not used for driving the ejection rod, so that the ejection cost can be reduced, and the injection molding material can be conveniently carried out; when the cylinder works, the guide sleeve slides along the support rod, so that the upper die base and the lower die base can be accurately matched; the second spring can improve the downward reset movement capability of the lifting sleeve; when moulding plastics, start the electric heating board, the electric heating board can keep away from moulding plastics and heat, and the injection molding material solidifies because of the cooling when avoiding moulding plastics, and then can avoid the effect of moulding plastics.

Drawings

FIG. 1 is a schematic front sectional view of a main body structure of an ejection mechanism of an injection mold;

fig. 2 is a schematic front view of a main structure of an ejection mechanism of an injection mold.

In the figure: 1-base, 2-first spring, 3-pulling rod, 4-second spring, 5-lifting sleeve, 6-guide rod, 7-hinged rod, 8-pushing rod, 9-fixed plate, 10-second chute, 11-second slide block, 12-ejector rod, 13-mounting plate, 14-lower die holder, 15-upper die holder, 16-supporting rod, 17-lifting plate, 18-pushing block, 19-electric heating plate, 20-air cylinder, 21-supporting plate, 22-injection molding tube, 23-guide sleeve, 24-pushing groove, 25-extrusion plate, 26-first chute, 27-first slide block, 28-pressure-receiving plate and 29-slide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-2, an injection mold ejection mechanism includes a base 1, a support plate 21 is fixedly connected to an upper end surface of the base 1 through a plurality of support rods 16, an air cylinder 20 is fixedly installed in the middle of the upper end surface of the support plate 21, a lifting plate 17 is fixedly connected to an output end of the air cylinder 20, an upper mold base 15 is fixedly connected to the middle of a bottom end surface of the lifting plate 17, a fixing plate 9 is fixedly connected to left and right sides of the upper end surface of the base 1, a mounting plate 13 is commonly connected to upper end surfaces of the left and right fixing plates 9, a lower mold base 14 is fixedly connected to an upper end surface of the mounting plate 13, a material pushing groove 24 is respectively formed on left and right sides of the upper end surface of the lower mold base 14, an ejector rod 12 is slidably inserted into the material pushing groove 24, a material pushing block 18 is fixedly connected to a top end of the ejector rod 12, a bottom end of the ejector rod 12 is slidably inserted into a lower portion of the mounting plate 13, the lifting device is characterized in that a guide rod 6 is fixedly connected between the mounting plate 13 and the base 1, a lifting sleeve 5 is slidably sleeved on the outer surface of the guide rod 6, first sliding grooves 26 are formed in the left side and the right side of the bottom end surface of the mounting plate 13, a first sliding block 27 is slidably connected inside the first sliding grooves 26, a pulling rod 3 is hinged to the bottom end surface of the first sliding block 27, the bottom end of the pulling rod 3 is hinged to the bottom end of a material ejecting rod 12, a pushing rod 8 is hinged to the outer surface of the pulling rod 3, the bottom end of the pushing rod 8 is hinged to the outer surface of the lifting sleeve 5, a sliding rod 29 is slidably arranged on the outer surface of the fixing plate 9, a pressure receiving plate 28 is fixedly connected to one end of the sliding rod 29, a hinge rod 7 is hinged to the other end of the sliding rod 7, the end of the hinge rod 7, far away from the pressure receiving plate 28, is hinged to the outer surface of the lifting sleeve 5, and an extrusion plate 25 is fixedly connected to the left side and the right side of the bottom end surface of the lifting plate 17, the outer surface of the sliding rod 29 is sleeved with a first spring 2, one end of the first spring 2 is fixedly connected with the fixed plate 9, the other end of the first spring 2 is fixedly connected with the pressed plate 28, and the upper die base 15 is fixedly provided with an injection molding tube 22 in a penetrating manner.

When the injection molding mechanism is used, the air cylinder 20 drives the lifting plate 17 to move downwards, the extrusion plate 25 drives the pressed plate 28 to move inwards, the slide bars 29 on the left side and the right side move relatively, the first spring 2 is compressed at the moment, the slide bars 29 on the left side and the right side move relatively, the lifting sleeve 5 is pushed to move upwards along the guide rod 6 through the hinge rod 7, the first slide blocks 27 on the left side and the right side are driven to move away through the push rod 8 when the lifting sleeve 5 moves upwards, the ejector rod 12 under the action of the pull rod 3 slides downwards at the moment, the ejector block 18 is combined into the material pushing groove 24, the injection molding operation can be prevented from being influenced by the ejector block 18, the upper die base 15 and the lower die base 14 are combined when the ejector block 18 is combined into the material pushing groove 24, the air cylinder 20 drives the lifting plate 17 to move upwards when the die is opened, the slide bars 29 on the left side and the right side move away from each other at the moment, the lifting sleeve 5 moves downwards, the first slide blocks 27 on the left side and the right side can move the ejector rod 12 out relatively to extend out of the upper die base 14 to push out the injection molding material, and the injection molding mechanism can be convenient for production, and the production of the lower die without using a driving device, and the ejector rod 12, so that the injection molding mechanism can reduce the injection molding cost.

The bottom end surface of the extrusion plate 25 is provided with a first inclined surface, and the upper end surface of the pressed plate 28 is provided with a second inclined surface matched with the first inclined surface.

The outer surface of the supporting rod 16 is slidably sleeved with a plurality of guide sleeves 23, and one side of the outer surface of each guide sleeve 23 is fixedly connected with one side of the outer surface of the lifting plate 17.

When the cylinder 20 works, the guide sleeve 23 slides along the support rod 16, so that the upper die base 15 and the lower die base 14 can be accurately matched.

The outer surface of the guide rod 6 is sleeved with a second spring 4, one end of the second spring 4 is fixedly connected with the bottom end face of the mounting plate 13, and the other end of the second spring 4 is fixedly connected with the upper end face of the lifting sleeve 5.

The provision of the second spring 4 improves the ability of the lifting sleeve 5 to return downwardly.

Wherein, second spout 10 has all been seted up on the up end left and right sides of base 1, sliding connection has second slider 11 on second spout 10, the bottom end face of compressed sheet 28 and the up end fixed connection of second slider 11.

The sliding rod 29 can slide stably through the sliding connection of the second sliding block 11 and the second sliding groove 10.

Example 2: referring to fig. 1-2, an injection mold ejection mechanism is different from embodiment 1 in that an electrical heating plate 19 is fixedly embedded inside the lower die holder 14.

When moulding plastics, start electric heating board 19, electric heating board 19 can keep away from moulding plastics and heat, and the injection molding material solidifies because of the cooling when avoiding moulding plastics, and then can avoid the effect of moulding plastics.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

Claims

1. The utility model provides an injection mold ejection mechanism, includes base (1), its characterized in that: the material pushing device is characterized in that a supporting plate (21) is fixedly connected to the upper end face of the base (1) through a plurality of supporting rods (16), a cylinder (20) is fixedly mounted in the middle of the upper end face of the supporting plate (21), a lifting plate (17) is fixedly connected to the output end of the cylinder (20), an upper die base (15) is fixedly connected to the middle of the bottom end face of the lifting plate (17), fixing plates (9) are fixedly connected to the left side and the right side of the upper end face of the base (1), mounting plates (13) are connected to the upper end faces of the left side and the right side of the upper end face of the left side and the right side of the base (9), material pushing grooves (24) are formed in the left side and the right side of the upper end face of the lower die base (14), material pushing rods (12) are penetrated in a sliding mode through the inner portions of the material pushing grooves (24), material pushing blocks (18) are fixedly connected to the top end portions of the material pushing blocks (12), the bottom ends of the material pushing rods (12) are penetrated through the lower portions of the mounting plates (13), guide rods (6) are fixedly connected to the outer surface of the guide rods (6), first sliding sleeves (26) are sleeved on the inner portions of first sliding grooves (26), the utility model discloses a material lifting device, including first slider (27), ejector rod (3), push rod (3), the bottom of push rod (3) is articulated with the bottom of liftout pole (12), the surface of push rod (3) articulates there is catch bar (8), the bottom of catch bar (8) is articulated with the surface of lift cover (5), slide bar (29) are worn to be equipped with in the surface slip of fixed plate (9), the one end fixedly connected with of slide bar (29) is pressed board (28), the other end of slide bar (29) articulates there is articulated rod (7), the one end that pressed board (28) were kept away from in articulated rod (7) is articulated with the surface of lift cover (5), the equal fixedly connected with stripper plate (25) in bottom face left and right sides of lifter plate (17), the surface cover of slide bar (29) is equipped with first spring (2), the one end and the fixed plate (9) fixed connection of first spring (2), the other end and pressed board (28) fixed connection of first spring (2), it wears to be equipped with injection molding pipe (22) to go up die holder (15).

2. An injection mold ejection mechanism as in claim 1, wherein: the bottom end face of the extrusion plate (25) is provided with a first inclined face, and the upper end face of the compression plate (28) is provided with a second inclined face matched with the first inclined face.

3. An injection mold ejection mechanism as in claim 2, wherein: the outer surface of the supporting rod (16) is sleeved with a plurality of guide sleeves (23) in a sliding mode, and one side of the outer surface of each guide sleeve (23) is fixedly connected with one side of the outer surface of the lifting plate (17).

4. An injection mold ejection mechanism as in claim 3, wherein: the outer surface cover of guide bar (6) is equipped with second spring (4), the one end of second spring (4) and the bottom end face fixed connection of mounting panel (13), the other end of second spring (4) and the up end fixed connection of lift cover (5).

5. An injection mold ejection mechanism as in claim 4, wherein: second spout (10) have all been seted up on the upper end face left and right sides of base (1), sliding connection has second slider (11) on second spout (10), the bottom face that receives pressure plate (28) and the up end fixed connection of second slider (11).

6. An injection mold ejection mechanism as in claim 5, wherein: an electric heating plate (19) is fixedly embedded in the lower die holder (14).