CN218227724U - Fixed die mechanism with ejection function - Google Patents

Abstract

The utility model discloses a cover half area ejecting die mechanism, including first fixed plate and third fixed plate, first fixed plate bottom is provided with the second fixed plate, the third fixed plate bottom holds the intracavity and is provided with first faller, the first thimble of the left and right sides fixedly connected with at first faller top middle part, the first guide bar of the left and right sides fixedly connected with on first faller top, the outside downside cover of first guide bar is equipped with first spring, the inside left and right sides of first fixed plate holds the intracavity and is provided with the second faller, one side fixedly connected with second thimble that the second faller bottom is close to the mould center. The utility model discloses in, the second thimble makes and breaks away from between product and the cover half benevolence, and first thimble makes and breaks away from between product and the movable mould benevolence, avoids the product to break away from not smooth, produces both sides and drags, and then the condition of harm product is worth wideling popularize.

Description

Fixed die mechanism with ejection function

Technical Field

The utility model relates to the technical field of mold, especially, relate to a cover half area ejecting mould mechanism.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used when parts with complex shapes are produced in batches, and particularly, the heated and melted plastic is injected into a mold cavity from an injection molding machine under high pressure and is cooled and solidified to obtain a formed product.

However, the product with the reverse buckle often has the condition that the demoulding is not smooth, both sides of the product are pulled, and the product is damaged, so that a mechanism for demoulding and ejecting the product is needed to be arranged at the fixed mould end, and therefore, the problem of the product demoulding not smooth is avoided by utilizing a secondary demoulding mechanism, and the production efficiency and the product percent of pass are improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fixed die mechanism with ejection.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a cover half area ejecting die mechanism, includes first fixed plate and third fixed plate, first fixed plate bottom is provided with the second fixed plate, the third fixed plate bottom holds the intracavity and is provided with first faller, the first thimble of the left and right sides fixedly connected with at first faller top middle part, the first guide bar of the left and right sides fixedly connected with on first faller top, the outside downside cover of first guide bar is equipped with first spring, the inside left and right sides of first fixed plate holds the intracavity and is provided with the second faller, one side fixedly connected with second thimble that the mould center is close to second faller bottom, one side fixedly connected with second guide bar at mould center is kept away from to second faller bottom, second faller top is provided with the second spring.

As a further description of the above technical solution:

and a top plate is arranged at the top end of the first fixing plate.

As a further description of the above technical solution:

and the middle part of the bottom end of the second fixing plate is fixedly connected with a fixed die core.

As a further description of the above technical solution:

and a bottom plate is arranged at the bottom end of the third fixing plate.

As a further description of the above technical solution:

and the middle part of the top end of the third fixing plate is fixedly connected with a movable mould core.

As a further description of the above technical solution:

the top end of the first guide rod is fixedly connected with a limiting block.

As a further description of the above technical solution:

and the middle part of the top plate, the middle part of the first fixing plate and the middle part of the second fixing plate are all provided with material injection holes, and the material injection holes are sequentially communicated from top to bottom.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first the movable mould end removes, and then second faller and second thimble are under the effect of corresponding second spring, to the direction motion of being close to cover half benevolence, make and break away from between product and the cover half benevolence, the movable mould end is continuous to be kept away from the cover half end, and then under the effect of stopper, make first guide bar stop moving, thereby first faller forces first spring, make first thimble stabilize ejecting product from the one side that the product is close to the movable mould benevolence, thereby the product breaks away from the mould under self action of gravity, this structure is fit for the drawing of patterns that has the product of back-off, and the secondary breaks away from the mechanism, avoid the product to break away from not smooth, produce both sides and drag, and then harm the condition of product, movable mould end reverse movement, laminate once more until third fixed plate and second fixed plate, can realize the production of moulding plastics once more, be worth wideling widely.

Drawings

Fig. 1 is an internal schematic view of a mold mechanism with a fixed mold ejecting device according to the present invention;

fig. 2 is a schematic view of a first ejector pin of a mold mechanism with a fixed mold having an ejector function according to the present invention;

fig. 3 is the utility model provides a cover half area ejecting mold mechanism's second thimble operational sketch map.

Illustration of the drawings:

1. a top plate; 2. a first fixing plate; 3. a second fixing plate; 4. a third fixing plate; 5. a base plate; 6. fixing a mold core; 7. a movable mould core; 8. a first needle plate; 9. a first thimble; 10. a first guide bar; 11. a first spring; 12. a limiting block; 13. a second needle plate; 14. a second thimble; 15. a second guide bar; 16. a second spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a fixed die mechanism with ejection function comprises a first fixed plate 2 and a third fixed plate 4, a second fixed plate 3 is arranged at the bottom end of the first fixed plate 2, the second fixed plate 3 is used for fixing a fixed die core 6, a first ejector pin plate 8 is arranged in a cavity at the bottom end of the third fixed plate 4, the cavity is open, sealing is realized by a bottom plate 5, installation of an internal structure is facilitated, first ejector pins 9 are fixedly connected to the left side and the right side of the middle part of the top end of the first ejector pin plate 8, a clamping groove is formed in one end, close to a movable die core 7, of the first ejector pin 9, injection molding of products with inverted buckle is facilitated, first guide rods 10 are fixedly connected to the left side and the right side of the top end of the first ejector pin plate 8, the first guide rods 10 stabilize movement of the first ejector pins 9 and simultaneously facilitate triggering of secondary demolding movement, a first spring 11 is sleeved on the lower side outside of the first guide rods 10, the first ejector pin plate 8 and the first ejector pins 9 are arranged on one side end face, close to the center of the die, a second ejector pin plate 13 is arranged on one side, a closed ejector pin plate 14 is arranged on one side of the bottom end of the second ejector pin plate 13, and a movable die structure, which is arranged between the second ejector pin plate 13, and a movable die structure which is convenient for pressing the second ejector pin plate 13, the product can be separated from the fixed mold core 6 by moving towards the direction close to the fixed mold core 6, so that one-time demolding is realized.

2 tops of first fixed plate are provided with roof 1, be used for connecting mould and processing platform, 3 bottom middle part fixedly connected with cover half benevolence of second fixed plate 6, 4 bottoms of third fixed plate are provided with bottom plate 5, be used for connecting mould and processing platform, 4 top middle part fixedly connected with movable mould benevolence 7 of third fixed plate, 10 top fixedly connected with stoppers 12 of first guide bar, be used for touching secondary drawing of patterns mechanism, roof 1 middle part, 2 middle parts of first fixed plate and 3 middle parts of second fixed plate all are provided with top-down and link up in proper order between notes material hole and the notes material hole, it finally links to each other and link up with the sprue of cover half benevolence 6 to complain the notes material hole, the injection of the raw materials of being convenient for.

The working principle is as follows: the movable mold end moves, and further the third fixing plate 4 loses the oppression on the second guide rod 15, so that the second needle plate 13 and the second thimble 14 move towards the direction close to the fixed mold core 6 under the action of the corresponding second spring 16, so that the product is separated from the fixed mold core 6, and the primary demolding is realized, at the moment, the first needle plate 8 and the first thimble 9 are tightly attached to one side end surface of the bottom plate 5 close to the center of the mold under the action of the first spring 11, so as to realize a subsequent secondary demolding mechanism, the movable mold end keeps away from the fixed mold end, and further under the action of the limiting block 12, the first guide rod 10 stops moving, so that the first spring 11 is pressed by the first needle plate 8, so that the product is stably ejected from the surface of the product close to the movable mold core 7, so that the product is separated from the mold under the action of the self gravity, the structure is suitable for demolding of the product with the back-off buckle, and the secondary separation mechanism is avoided, the situation that two sides are dragged, and the product is damaged, and the movable mold end moves reversely until the third fixing plate 4 and the second fixing plate 3 and the secondary injection molding can be realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a fixed mould area ejecting mould mechanism, includes first fixed plate (2) and third fixed plate (4), its characterized in that: first fixed plate (2) bottom is provided with second fixed plate (3), third fixed plate (4) bottom holds the intracavity and is provided with first faller (8), the first thimble (9) of left and right sides fixedly connected with at first faller (8) top middle part, the first guide bar (10) of left and right sides fixedly connected with on first faller (8) top, the outside downside cover of first guide bar (10) is equipped with first spring (11), the inside left and right sides of first fixed plate (2) holds the intracavity and is provided with second faller (13), one side fixedly connected with second thimble (14) that mould center is close to in second faller (13) bottom, one side fixedly connected with second guide bar (15) at mould center are kept away from to second faller (13) bottom, second faller (13) top is provided with second spring (16).

2. The mold mechanism for ejecting the fixed mold strip according to claim 1, wherein: the top end of the first fixing plate (2) is provided with a top plate (1).

3. The mold mechanism for ejecting the fixed mold strip according to claim 1, wherein: the middle part of the bottom end of the second fixing plate (3) is fixedly connected with a fixed die core (6).

4. The mold mechanism for ejecting the fixed mold strip according to claim 1, wherein: and a bottom plate (5) is arranged at the bottom end of the third fixing plate (4).

5. The mold mechanism for ejecting the fixed mold strip according to claim 1, wherein: the middle part of the top end of the third fixing plate (4) is fixedly connected with a movable mould core (7).

6. The mold mechanism for ejecting the fixed mold strip according to claim 1, wherein: the top end of the first guide rod (10) is fixedly connected with a limiting block (12).

7. The mold mechanism for ejecting the fixed mold strip according to claim 2, wherein: the middle of the top plate (1), the middle of the first fixing plate (2) and the middle of the second fixing plate (3) are all provided with material injection holes, and the material injection holes are sequentially communicated from top to bottom.

Images