CN212666610U

CN212666610U - Demoulding mechanism of injection mould

Info

Publication number: CN212666610U
Application number: CN202020892989.2U
Authority: CN
Inventors: 邹鹏
Original assignee: Suzhou Yizhite Mould Technology Co ltd
Current assignee: Suzhou Yizhite Mould Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-09
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a demoulding mechanism of an injection mould, which mainly comprises a frame, a movable mould, a fixed mould, a telescopic mechanism and a vibrating mechanism; the fixed die is fixed on one side of the frame; the movable mould is hinged at the other side of the frame and moves towards or back to the fixed mould under the action of the power mechanism; the bottom of the frame is provided with an inclined support; the telescopic mechanism is fixed on the inclined support and is hinged with the power mechanism of the movable mould; the movable mold comprises a movable mold plate and a movable mold core; the movable mold core is tightly and fixedly connected with the movable mold plate, and a cavity is formed between the movable mold core and the movable mold plate; the cavity is internally provided with liquid; the vibration mechanism can vibrate in the cavity; the telescopic mechanism drives the power mechanism and the movable die to rotate, so that a product can fall down by means of gravity, the ejector rod is prevented from being used for demolding, and pits appear on the surface of the product; the vibrating mechanism can vibrate in the cavity, so that a gap is generated between a product and the movable mold core to shake, the resistance of the product to be demolded by the driven mold core is reduced in the downward rotating and demolding process of the movable mold, and the smooth demolding is ensured.

Description

Demoulding mechanism of injection mould

Technical Field

The utility model relates to an injection mold's technical field especially relates to an injection mold's demoulding mechanism.

Background

After the mold is cooled after injection molding, demolding operation is needed, the existing demolding mechanism ejects a product through a plurality of ejector rod rods, the structure is complex, the cost investment is large, the contact area of the ejector rods and the mold is small, and the ejector rods are easy to form pits on the surface of the mold, particularly in the trial-manufacturing process.

In publication No. CN210161532U, the product inside the die holder can fall down by its own gravity by using the telescopic mechanism, but the product falls down by gravity only, and the gap between the product and the die is too small, thereby resulting in unsmooth discharge.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the utility model provides an injection mold's demoulding mechanism can enough avoid the ejector pin to form the pit, can guarantee that demoulding mechanism's ejection of compact is smooth and easy again.

In order to solve the main technical problems, the following technical scheme is adopted:

a demoulding mechanism of an injection mould comprises a frame, a movable mould, a fixed mould, a telescopic mechanism and a vibrating mechanism; the fixed die is fixed on one side of the frame; the movable die is hinged to the other side of the frame and moves towards or away from the fixed die under the action of the power mechanism; an inclined support is arranged at the bottom of the frame; the telescopic mechanism is fixed on the inclined support and is hinged with the power mechanism of the movable mould; the movable mold comprises a movable mold plate and a movable mold core; the movable mold core is tightly and fixedly connected with the movable mold plate, and a cavity is formed between the movable mold core and the movable mold plate; the cavity is internally provided with liquid; the vibration mechanism can vibrate inside the cavity.

Preferably, the cavity is provided with a liquid inlet; the liquid inlet is communicated with an external cooling water tank through an extension pipe.

Preferably, the vibrating mechanism comprises at least one vibrating ball; the outside of the vibrating ball is a waterproof shell, and the inside of the vibrating ball is a micro vibrator.

Preferably, the power mechanism is a first cylinder; the telescopic mechanism is a second air cylinder; and a piston rod of the second air cylinder is hinged to the outer side of the cylinder body of the first air cylinder through a support ring.

Preferably, the power mechanism is fixed on the fixing block; the frame is fixed with a channel steel shaped like Contraband; the fixed block is rotatably connected with the channel steel through a rotating shaft.

Preferably, the bottom of the frame is provided with a dropping port which can enable the product to drop; a material receiving basin is arranged under the dropping port.

Further, the material receiving basin comprises a spring net with an arc-shaped structure and an annular pillar; the spring net is fixed on the top of the support column and faces the drop opening.

Compared with the prior art, the utility model discloses be applied to injection mold's drawing of patterns and possess following advantage:

(1) one end of the power mechanism is hinged with the frame, and the other end of the power mechanism is fixedly connected with the movable die; telescopic machanism is articulated with power unit, and telescopic machanism drives power unit and movable mould and rotates to can make the product rely on gravity to drop, avoid using the ejector pin drawing of patterns, the pit scheduling problem appears in the product surface.

(2) The vibration ball comprises a waterproof shell and a miniature vibrator, and the vibration ball can vibrate in a cavity formed between the movable die plate and the movable die core, so that a gap is generated between a product and the movable die core to shake, the downward rotation of the movable die is in the process, the resistance of the product to be demolded from the movable die core is reduced, and the smooth demolding is ensured.

(3) The frame bottom is provided with the mouth that drops, and the spring net is placed to the below of the mouth that drops, and the spring net can cushion the protection to the product that drops, avoids the product damage that drops.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic view of an overall structure provided in an embodiment of the present invention;

fig. 2 is an enlarged schematic structural view of a moving mold according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a vibrating ball according to an embodiment of the present invention;

fig. 4 is a schematic top view of a channel steel provided in an embodiment of the present invention;

fig. 5 is a schematic top view of the material receiving basin according to the embodiment of the present invention.

In the figure: 1 is a frame;

2, a movable mould, 21, a movable mould plate, 22, a movable mould core, 23, a cavity, 231, 232 and a cooling water tank, wherein the movable mould is a movable mould core, the cavity is a cavity, and the cooling water tank is a cooling water tank 24;

3 is a fixed die, 4 is a first cylinder, 5 is a second cylinder, and 6 is an inclined support;

7 is a vibration ball, 71 is a waterproof shell, and 72 is a micro vibrator;

8 is a support ring, and 9 is a dropping port;

10 is a material receiving basin, 101 is a spring net, and 102 is a support;

11 is a fixed block, 12 is a channel steel, 13 is a rotating shaft, 14 is a pouring gate, and 15 is a molding cavity.

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. 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. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

Referring to fig. 1-5, a demolding mechanism for an injection mold includes a frame 1, a movable mold 2, a fixed mold 3, a telescopic mechanism and a vibrating mechanism; the fixed die 3 and the movable die 2 are matched to form a molding cavity 15 capable of molding a product, the fixed die 3 is provided with a pouring gate 14 which is the same as the molding cavity 15, and the pouring gate 14 is usually arranged on a hidden surface of the product; the fixed die 3 is fixed on one side of the inner wall of the frame 1 through a fastener; the side of the movable mold 2, which is back to the fixed mold 3, is connected with a power mechanism, and the power mechanism is fixed on the other side, which is opposite to the inner wall of the frame 1; the power mechanism is a first air cylinder 4, a piston rod of the first air cylinder 4 is connected with the movable die 2, a fixed block 11 is fixed on the end face of a cylinder body of the first air cylinder 4 through a fastener or welding, a through hole is formed in the fixed block 11, two ends of the rotating shaft 13 are fixed with the channel steel 12 through the through hole, the cross section of the channel steel 12 is in a shape of Contraband, and the channel steel 12 is fixed on the side wall of the frame 1 through welding; the fixed block 11 can rotate around the rotating shaft 13, so that the first air cylinder 4 and the movable mold 2 can rotate around the rotating shaft 13, the rotating shaft 13 is horizontal, the first air cylinder 4 is horizontal, and the stretching direction of the first air cylinder 4 is perpendicular to the axial direction of the rotating shaft 13.

The bottom of the frame 1 is provided with an inclined support 6, and the inclined support 6 is positioned below the first air cylinder 4; the inclined support 6 is of a right-angled triangle structure, and two right-angled sides of the inclined support are fixedly connected with the inner wall of the frame 1 through welding or fasteners; the telescopic mechanism is a second air cylinder 5, the second air cylinder 5 is fixed on the oblique edge of the oblique support 6 through a fastener, and the telescopic direction of the second air cylinder 5 is perpendicular to the oblique edge of the oblique support 6; the end part of a piston rod of the second cylinder 5 is hinged with the cylinder barrel of the first cylinder 4, in order to ensure the hinge strength of the two cylinders, a support ring 8 is sleeved on the outer side of the cylinder barrel of the first cylinder 4, the support ring 8 does not move relative to the cylinder barrel of the first cylinder 4, and the support ring 8 is hinged with the end part of the piston rod of the second cylinder 5; the contraction of the second cylinder 5 drives the first cylinder 4 and the movable die 2 to rotate downwards by taking the rotating shaft 13 as a central point, so that a product can fall off by means of gravity.

The movable die 2 comprises a movable die plate 21 and a movable die core 22, and the movable die core 22 and the fixed die 3 form a molding cavity 15; the movable mould plate 21 and the movable mould core 22 are fastened into a whole, a cavity 23 is arranged between the movable mould plate and the movable mould core 22, the cavity 23 is provided with a liquid inlet 231, the liquid inlet 231 is communicated with an external cooling water tank 24 through an extension pipe 232, and liquid in the cooling water tank 24 flows into the cavity 23 to cool the movable mould core 22 and the forming cavity 15; a plurality of vibrating balls 7 are arranged in the cavity 23, each vibrating ball 7 comprises a waterproof shell 71 and a micro vibrator 72, and the micro vibrator 72 is set according to the prior art; the miniature vibrator 72 is formed after being completely wrapped by the waterproof shell 71 and can vibrate in the cavity 23, the vibration ball 7 vibrates the cavity 23, and the product and the movable mold core 22 can shake under the continuous impact of the movable mold core 22, so that the product is ensured to be separated from the movable mold core 22, the resistance is reduced, and the product falls smoothly.

In order to collect products conveniently, a dropping opening 9 which can enable the products to drop is formed in the bottom of the frame 1; a material receiving basin 10 is arranged right below the dropping port 9; the material receiving basin 10 comprises a spring net 101 and an annular support column 102, wherein the spring net 101 is of an arc-shaped structure, the spring net 101 is located on the inner side of the annular support column 102, the edge of the spring net 101 is fixed on the end face of the top of the annular support column 102, and after a product falls to the spring net 101, the spring net 101 buffers the power potential energy of the product, so that the product is protected.

The utility model discloses a working process does: after the movable die 2 and the fixed die 3 are cast, cooled and molded, the movable die 2 drives the movable die 2 and a product to be away from the fixed die 3 under the action of the first air cylinder 4; then start second cylinder 5, the second cylinder 5 shrink drives movable mould 2 and the motion of product below to one side, and in the effect of second cylinder 5 simultaneously, vibration ball 7 vibration cavity 23 constantly strikes into die cavity 15, produces the gap between product and the movable mould core 22 and takes place to rock, and along with the further shrink of second cylinder 5, the product falls to connecing material basin 10 because self gravity from dropping mouth 9, thereby spring net 101 is to the product buffering protection product that drops.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. The utility model provides an injection mold's demoulding mechanism which characterized in that: the device comprises a frame, a movable die, a fixed die, a telescopic mechanism and a vibration mechanism; the fixed die is fixed on one side of the frame; the movable die is hinged to the other side of the frame and moves towards or away from the fixed die under the action of the power mechanism; an inclined support is arranged at the bottom of the frame; the telescopic mechanism is fixed on the inclined support and is hinged with the power mechanism of the movable mould; the movable mold comprises a movable mold plate and a movable mold core; the movable mold core is tightly and fixedly connected with the movable mold plate, and a cavity is formed between the movable mold core and the movable mold plate; the cavity is internally provided with liquid; the vibration mechanism can vibrate inside the cavity.

2. The mold releasing mechanism of an injection mold according to claim 1, characterized in that: the cavity is provided with a liquid inlet; the liquid inlet is communicated with an external cooling water tank through an extension pipe.

3. The mold releasing mechanism of an injection mold according to claim 1, characterized in that: the vibration mechanism comprises at least one vibration ball; the outside of the vibrating ball is a waterproof shell, and the inside of the vibrating ball is a micro vibrator.

4. The mold releasing mechanism of an injection mold according to claim 1, characterized in that: the power mechanism is a first cylinder; the telescopic mechanism is a second air cylinder; and a piston rod of the second air cylinder is hinged to the outer side of the cylinder body of the first air cylinder through a support ring.

5. The mold releasing mechanism of an injection mold according to claim 1, characterized in that: the power mechanism is fixed on the fixing block; the frame is fixed with a channel steel shaped like Contraband; the fixed block is rotatably connected with the channel steel through a rotating shaft.

6. The mold releasing mechanism of an injection mold according to claim 1, characterized in that: a dropping opening capable of enabling the product to drop is formed in the bottom of the frame; a material receiving basin is arranged under the dropping port.

7. The mold releasing mechanism of an injection mold according to claim 6, characterized in that: the material receiving basin comprises a spring net with an arc structure and an annular pillar; the spring net is fixed on the top of the support column and faces the drop opening.