Automatic demolding device capable of preventing ejection of drawing die

Abstract

The utility model relates to the technical field of moulds, in particular to an automatic demoulding device capable of preventing a drawing mould from being ejected out, which comprises a bottom plate, two mould feet, a mould seat, an ejector plate and a movable mould core, the two mould feet are arranged on the bottom plate in parallel, the mould seat is arranged on the two mould feet, the mould feet and the mould seat are connected with the bottom plate through screws, the ejector plate is arranged between the two mould feet, and the movable mould core is arranged in the mould seat. The movable mold core is arranged on the mold base, the buckling mechanism is arranged in the middle of the mold base, the movable mold core and the mold base are connected through the buckling mechanism in a matched mode, and the mode that step buckling is matched with sliding groove ejection is adopted, so that the clamping mode of the injection mold is simplified, the mold can be rapidly clamped and taken out, time is saved, and production efficiency is improved. And the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an automatic demoulding device for preventing mold pulling and ejection. Background Art

[0002] In industrial processing, in order to quickly produce the same product, people will heat and melt the materials needed for production, then pour the melted liquid into the mold cavity, and then the desired product can be obtained after the solution cools and solidifies.

[0003] The commonly used injection molding process currently relies on suction cups or mechanical arms to clamp the injection mold to the mold seat, which increases the equipment cost. The mobile phone shell can only be demoulded after the mold is completely separated and stopped at the initial position, which delays time. In addition, the suction cup adsorption method is inconvenient to remove during demoulding, affecting work efficiency. In view of the above problems, it is urgent to carry out innovative design based on the original mold structure to achieve the purpose of convenient clamping and demoulding. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic demoulding device to prevent the mold from being pulled out, which has a scientific and simple structure. The connection between the movable mold core and the mold base is coordinated with a snap-fit ​​mechanism, and a step snap-fit ​​is adopted to cooperate with the slide groove to open the top, so that the clamping method of the injection mold is simplified, the mold can be quickly clamped and removed, time is saved, and work efficiency is greatly improved.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The invention discloses an automatic demoulding device for preventing a pulling die from being ejected, comprising a bottom plate, a die foot, a die base, an ejector plate, and a movable die core. The die foot is two parallel mold feet arranged on the bottom plate, the die base is arranged on the two die feet, the die foot and the die base are connected to the bottom plate through a screw, an ejector plate is arranged between the two die feet, the movable die core is arranged on the die base, an ejector hole is arranged at the center of the bottom plate, and a buckling mechanism is arranged in the middle of the die base.

[0007] There are four groups of snap-fitting mechanisms, and each group of snap-fitting mechanisms includes a guide plate, a latch block, and a buckle spring. The guide plate is fixed to the bottom surface of the mold base, and the guide plate is a "concave" shaped structure. The latch block is arranged inside the groove in the middle of the guide plate, and a buckle spring is also arranged between the latch block and the guide plate. An arcuate slide groove is arranged on the other side of the latch block corresponding to the buckle spring, and inclined slopes opposite to the arcuate slide groove are arranged on both sides of the arcuate slide groove.

[0008] Ejector springs and push rods are arranged between the ejector plate and the die base. There are four sets of ejector springs and push rods, and two push rods form a group. The four sets of push rods correspond to the four sets of buckling mechanisms respectively.

[0009] The bottom surface of the movable mold core is fixed with buckle pins, and there are four buckle pins, which are respectively arranged corresponding to the buckling mechanism above and below.

[0010] The upper part of the push rod is provided with a conical inclined surface, and the conical inclined surface is arranged corresponding to the inclined surface landslide.

[0011] The bottom of the buckle pin is provided with an arc-shaped inclined surface, and the arc-shaped inclined surface is arranged correspondingly to the arc-shaped sliding groove.

[0012] The beneficial effects of the utility model are as follows: an automatic demoulding device for preventing mold from being pulled out comprises a bottom plate, mold feet, a mold base, an ejector plate, and a movable mold core, wherein the mold feet are two parallel mold feet arranged on the bottom plate, the mold base is arranged on the two mold feet, the mold feet and the mold base are connected to the bottom plate through a screw, an ejector plate is arranged between the two mold feet, the movable mold core is arranged on the mold base, and a snap-fit ​​mechanism is arranged in the middle of the mold base, and the clamping method of the injection mold is simplified by adopting the snap-fit ​​mechanism to match the connection method of the movable mold core and the mold base, and adopting the step snap-fit ​​method to match the slide groove to open the top method, so that the mold can be quickly clamped and taken out, saving time and greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the mold base part of the utility model;

[0015] Figure 3 It is a schematic diagram of the movable mold core part of the utility model;

[0016] Figure 4 It is a schematic diagram of the movable mold core part of the utility model from another direction;

[0017] Figure 5 It is a cross-sectional view of the utility model;

[0018] Figure 6 This utility model Figure 5 Magnified view at A in the middle;

[0019] Figure 7 It is a cross-sectional view of the utility model in another direction;

[0020] Figure 8 This utility model Figure 7 Magnified view at B in the middle;

[0021] Fig. 9 It is a schematic diagram of the buckling mechanism part of the utility model;

[0022] Fig.10 It is a cross-sectional view of the utility model in use. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1 to Figure 10 The principles and features of the present invention are described, and the examples are only used to explain the present invention and are not used to limit the scope of the present invention. In the following paragraphs, the present invention is described in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or / several" used herein includes any and all combinations of one or more of the related listed items.

[0025] like Figures 1 to 10 As shown: the utility model is an automatic demoulding device for ejecting an anti-pulling die, comprising a bottom plate 1, a die foot 2, a die base 3, an ejector plate 4, and a movable die core 5. The die foot 2 is arranged in two parallel positions on the bottom plate 1, the die base 3 is arranged on the two die feet 2, the die foot 2 and the die base 3 are connected to the bottom plate 1 through a screw, an ejector plate 4 is arranged between the two die feet 2, the movable die core 5 is arranged on the die base 3, an ejector hole 10 is arranged at the center of the bottom plate 1, and a buckling mechanism 30 is arranged in the middle of the die base 3. The buckling mechanism 30 is four Group, each group of snap-fitting mechanisms 30 includes a guide plate 31, a latch block 32, and a buckle spring 33. The guide plate 31 is fixed to the bottom surface of the mold base 3, and the guide plate 31 is a "concave"-shaped structure. The latch block 32 is arranged inside the groove in the middle of the guide plate 31, and a buckle spring 33 is also arranged between the latch block 32 and the guide plate 31. An arcuate slide groove 321 is arranged on the other side of the latch block 32 corresponding to the buckle spring 33, and inclined slide slopes 322 opposite to the arcuate slide groove 321 are arranged on both sides of the arcuate slide groove 321.

[0026] An ejector spring 41 and a push rod 42 are arranged between the ejector plate 4 and the mold base 3. The ejector spring 41 and the push rod 42 are each arranged in four groups, and each two push rods 42 form a group. The four groups of push rods 42 are respectively arranged in correspondence with the four groups of snap-fit ​​mechanisms 30. A conical inclined surface 420 is arranged on the upper part of the push rod 42, and the conical inclined surface 420 is arranged in correspondence with the inclined surface slide 322.

[0027] The bottom surface of the movable mold core 5 is fixed with buckle pins 51 , and four buckle pins 51 are respectively arranged corresponding to the upper and lower parts of the buckle mechanism 30 . The bottom of the buckle pin 51 is provided with an arc-shaped inclined surface 510 , and the arc-shaped inclined surface 510 is arranged corresponding to the arc-shaped sliding groove 321 .

[0028] In this embodiment, the buckle pin 51 is fixed to the bottom surface of the movable mold core 5 by screws, and the buckle mechanism 30 is fixed to the middle part of the mold base 3. When the movable mold core 5 needs to be installed on the mold base 3, the arc-shaped inclined surface 510 on the buckle pin 51 is fitted with the arc-shaped sliding groove 321 on the latch block 32. The latch block 32 is squeezed by the downward force of the movable mold core 5. When the movable mold core 5 is fitted with the mold base 3, the latch block 32 rebounds and buckles with the buckle pin 51 by the elastic force of the buckle spring 33. At this time, the movable mold core 5 is fixed on the mold base 3. Injection molding can be performed; when the movable mold core 5 needs to be demoulded and taken out, the ejector rod 100 on the machine table 100 is extended upward, and the ejector rod 100 passes through the ejector hole 10 on the bottom plate 1 and is pressed against the bottom surface of the ejector plate 4. The ejector plate 4 is forced to drive the push rod 42 to move upward, and the conical inclined surface 420 on the push rod 42 fits with the inclined surface slope 322 on the latch block 32 to push the latch block 32 back. After the latch block 32 is disengaged from the buckle pin 51, the movable mold core 5 can be taken out. After completion, the next cycle of clamping can be performed.

[0029] The utility model provides an automatic demoulding device for preventing the mold from being pulled out. The connection method between the movable mold core 5 and the mold base 3 is matched with a snap-fit ​​mechanism 30, and a step snap-fit ​​method is adopted to match the sliding groove top opening method, so that the clamping method of the injection mold is simplified, the mold can be quickly clamped and taken out, time is saved, and work efficiency is greatly improved.

[0030] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An anti-pulling die ejection automatic demoulding device, comprising a bottom plate (1), a die foot (2), a die base (3), an ejector plate (4), and a movable die core (5), characterized in that: The mold feet (2) are two mold feet (2) arranged in parallel on the bottom plate (1), the mold base (3) is arranged on the two mold feet (2), the mold feet (2) and the mold base (3) are connected to the bottom plate (1) via screws, an ejector plate (4) is arranged between the two mold feet (2), an ejector hole (10) is arranged at the center of the bottom plate (1), the movable mold core (5) is arranged on the mold base (3), and a locking mechanism (30) is arranged in the middle of the mold base (3).

2. The automatic demoulding device for preventing mold from being ejected according to claim 1, characterized in that: The buckling mechanism (30) is divided into four groups. Each group of the buckling mechanism (30) comprises a guide plate (31), a latch block (32), and a buckle spring (33). The guide plate (31) is fixed to the bottom surface of the mold base (3). The guide plate (31) is a "concave"-shaped structure. The latch block (32) is arranged inside a groove in the middle of the guide plate (31). A buckle spring (33) is also arranged between the latch block (32) and the guide plate (31). An arc surface slide groove (321) is arranged on the other side of the latch block (32) corresponding to the buckle spring (33). Both sides of the arc surface slide groove (321) are provided with inclined slide slopes (322) in the opposite direction of the arc surface slide groove (321).

3. The automatic demoulding device for preventing mold from being ejected according to claim 1, characterized in that: An ejector spring (41) and a push rod (42) are arranged between the ejector plate (4) and the mold base (3). The ejector spring (41) and the push rod (42) are each provided in four groups, and two push rods (42) form a group. The four groups of push rods (42) are respectively provided in upper and lower correspondence with the four groups of buckling mechanisms (30).

4. The automatic demoulding device for preventing mold from being ejected according to claim 1, characterized in that: The bottom surface of the movable mold core (5) is fixed with buckle pins (51), and four buckle pins (51) are respectively arranged corresponding to the buckling mechanism (30) above and below.

5. The automatic demoulding device for preventing mold from being ejected according to claim 3 is characterized in that: The upper portion of the push rod (42) is provided with a conical inclined surface (420), and the conical inclined surface (420) is arranged corresponding to the inclined surface landslide (322).

6. The automatic demoulding device for preventing mold from being ejected according to claim 4, characterized in that: The bottom of the buckle pin (51) is provided with an arc-shaped inclined surface (510), and the arc-shaped inclined surface (510) is arranged corresponding to the arc-shaped sliding groove (321).

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