CN214239135U

CN214239135U - Shield casting mold

Info

Publication number: CN214239135U
Application number: CN202023050431.9U
Authority: CN
Inventors: 邢嘉銮; 邢志楷; 邢镇辉; 邢泽楷
Original assignee: Guangdong Lianan Anti Riot Equipment Co ltd
Current assignee: Guangdong Lianan Anti Riot Equipment Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-21
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to the technical field of mechanical design, in particular to a shield casting forming die, which comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism is provided with an upper die core, the lower die mechanism is provided with a lower die core, the upper die core and the lower die core are matched to form a forming cavity, the upper die mechanism comprises a plate, two plates, a hot runner and a cooling pipeline, the lower die mechanism comprises three plates, four plates and a lifting cylinder, a spreading mechanism capable of spreading a shield is arranged between the upper die mechanism and the lower die mechanism, the shape of the spreading mechanism is matched with the shapes of the upper die mechanism and the lower die mechanism, and the spreading mechanism is connected with the upper die mechanism. The shield can be more easily taken out after being formed.

Description

Shield casting mold

Technical Field

The utility model relates to a mechanical design technical field especially relates to a shield casting mold.

Background

The shield can effectively prevent the objects such as bricks, tiles, stones, sticks, glass bottles and the like from being hit and spurted, and can effectively resist the light arms from shooting at a short distance.

In the shield processing and production process, the problems of resilience, warping, deformation, adhesion and the like often occur, so that the shield is not easy to take out when the shield is formed, and the quality, strength and other factors of the shield are affected non-negligibly.

Disclosure of Invention

The utility model aims at providing a shield casting mold who solves at least one technical problem design in the background art.

In order to achieve the above purpose, the utility model adopts the following scheme: a shield casting forming die comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism is provided with an upper die core, the lower die mechanism is provided with a lower die core, the upper die core and the lower die core are matched to form a forming cavity, the upper die mechanism comprises a plate, two plates, a hot runner and a cooling pipeline, the two plates are arranged below the plate, a feeding pipeline is arranged at the center of the plate, an inlet of the hot runner is connected with the feeding pipeline, an outlet of the hot runner is connected with a filling port arranged at the bottom of the two plates, the lower die mechanism comprises three plates, four plates and a lifting cylinder, the three plates are arranged below the two plates, the lifting cylinder is connected with the three plates and the four plates, a shield opening mechanism capable of opening a shield is arranged between the upper die mechanism and the lower die mechanism, and the shape of the opening mechanism is matched with the shape of the upper die mechanism and the lower die mechanism, the opening mechanism moves back and forth toward the lower die mechanism

The two plates comprise cavities, the expanding mechanism comprises moving pieces, the moving pieces are sleeved in the cavities, and the moving pieces move up and down along the cavities.

The top of the movable piece is provided with a protrusion which is T-shaped, and the height of the protrusion is matched with that of the cavity.

And one end of the movable piece, which is close to the molding cavity, is provided with a molding plate, and the shape of the molding plate is matched with the molded shape.

Wherein, there are one or more groups of cavity and moving part.

The opening mechanism comprises a spring, the spring is installed in the cavity, one end of the spring is connected to the two plates, and the other end of the spring is connected with the moving part.

The elastic piece comprises a spring, one end of the spring is connected with the two plates, and the other end of the spring is connected with the protrusion of the movable piece.

Wherein, the cooling pipeline is a water cooling pipeline and/or an air cooling pipeline.

The utility model has the advantages that the shield molded by the casting process can reduce the warpage and rebound of the shield, and the contact between the shield and the mould can be reduced after cooling through the cavity and the moving part and the spring in the opening mechanism, so that the shield can be taken out more easily after molding.

Drawings

FIG. 1 is a schematic view of a shield casting mold in a closed state;

FIG. 2 is a schematic view of a shield casting mold in an open state;

FIG. 3 is an enlarged view of region A of a shield casting mold;

fig. 4 is a schematic view of a shield casting mold.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which function is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the present invention can be understood visually and vividly, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to 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. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Example (b): fig. 1 to 4 show an embodiment of the present invention, a shield casting mold, which includes an upper mold mechanism 1 and a lower mold mechanism 2, wherein the lower mold mechanism 1 is disposed below the upper mold mechanism 2.

The surface of the upper die mechanism 1 facing the lower die mechanism 2 is provided with an upper die core 108, the surface of the lower die mechanism 2 facing the upper die mechanism 1 is provided with a lower die core 201, and the upper die core 108 and the lower die core 201 are in butt joint fit to form a forming cavity.

The upper die mechanism 1 comprises a first plate 101, a second plate 102, a hot runner 104 and a cooling pipeline 106, wherein the second plate 102 is correspondingly arranged below the first plate 101, the first plate 101 and the second plate 102 are connected through connecting columns, and the connecting columns are arranged in one or more groups at intervals.

The center of the top surface of the first plate 101 is provided with a feeding pipeline 103 for the original input, the feeding pipeline 103 is arranged from top to bottom, the centers of the second plate 102 and the upper mold core 108 are provided with a filling port 107, a hot runner 104 is embedded between the first plate 101 and the second plate 102, the inlet of the hot runner 104 is connected with the feeding pipeline 103, and the outlet of the hot runner 104 is connected with the filling port 107.

Wherein, the electric socket 105 of the hot runner 104 is arranged at one position of the bottom surface of one plate 101 near the side surface, and the air inlet pipe and the air outlet pipe of the hot runner 104 are arranged at one side of the upper die mechanism 1.

Wherein, the two plates 102 are provided with cooling pipes 106 near the upper mold core 108 and distributed at intervals along the top edge of the upper mold core 108, and the cooling pipes 106 transversely penetrate relative to the upper mold mechanism 2 and are connected with external pipes.

The lower mold mechanism 2 includes a three plate 202, a four plate 203, a lift cylinder, and a cooling duct 106, the three plate 202 is disposed below the two plate 102, the three plate 202 is connected to the four plate 203 by the lift cylinder, and the three plate 202 moves back and forth toward the four plate 203.

The cooling pipes 106 are embedded in the three plates 202 at positions close to the lower mold core 201, the cooling pipes 106 are distributed at intervals along the bottom edge of the lower mold core 201, and the cooling pipes 106 transversely penetrate through the lower mold mechanism 2 and are connected with external pipes.

Wherein, the bottom of the two plates 102 is provided with a cavity 109, and the shape of the cavity 109 is in an inverted convex shape. There are one or more groups of cavities 109 and the cavities 109 are spaced apart.

Wherein, a spreading mechanism 3 which can spread the shield is arranged between the upper die mechanism 1 and the lower die mechanism 2, the spreading mechanism 3 is connected with the cavity 109 in a matching way, and each spreading mechanism 3 is symmetrically arranged with each cavity 109.

The expanding mechanism 3 comprises a movable member 310, the movable member 10 comprises a protrusion 312 arranged at the top of the movable member 310, the protrusion 312 is T-shaped, the protrusion 312 and the cavity 109 are installed in the cavity 109 in a matching manner, so that the protrusion 312 can move back and forth towards the lower die mechanism 2, and the shape of the protrusion 312 matches with the shape of the upper die mechanism 1 and the lower die mechanism 2.

Wherein, the movable part 310 is provided with a molding plate 311 at one end close to the molding cavity, and the shape of the molding plate 311 is matched with the shape of the molding cavity.

Wherein, there are one or more groups of the cavity 109 and the opening mechanism 3.

The opening mechanism 3 includes an elastic member 320, the elastic member 320 is correspondingly installed in the cavity 109, one end of the elastic member 320 is connected to the two plates 102, and the other end of the elastic member 320 is connected to the protrusion 312 of the movable member 310.

The elastic member 320 is a spring, one end of the spring is connected to the second plate 102, and the other end of the spring is connected to the movable member 310, so that the elastic force of the spring provides an upward pulling force to the movable member 310.

The cooling pipeline 106 is a water cooling pipeline and/or an air cooling pipeline.

When the mold works, the three plate 202 moves towards the two plate 102 through the lifting cylinder, during the moving process, the three plate 202 is contacted with the movable member 310 in a sagging state to push the movable member 310 to move towards the two plate 102 along with the three plate 202, and during the moving of the movable member 10, the elastic member 320 gives an upward pulling force to the movable member 310, thereby reducing the pushing force of the lifting cylinder.

After the upper mold mechanism 1 and the lower mold mechanism 2 are closed, the upper mold core 108, the lower mold core 201 and the molding plate 311 on the movable member 310 are correspondingly matched to form a molding cavity, and after the molding cavity is ready, the raw material in a molten state is injected into the mold and enters the inlet of the hot runner 104 along the feeding pipeline 103.

After the raw materials enter the hot runner 104, the electric conduction is carried out through the electric socket 05 to control the temperature of the hot runner 104, the hot runner 104 controls the temperature of the raw materials again, so that the raw materials reach the preset temperature, after the temperature of the raw materials reaches the preset value, the air inlet pipe of the hot runner 104 is used for air inlet to jack the valve needle in the hot runner 104, and the raw materials enter the molding cavity through the outlet of the hot runner 104 along the injection port 107 on the two plates 102.

After the raw materials was full of the shaping chamber, the stop of hot runner 104 is intake, the air of hot runner 104 jack needle flows out hot runner 104 from the outlet duct, the needle whereabouts, make sprue 107 be in the closure state, the raw materials stops to get into the shaping chamber and keep warm in the hot runner, at this moment, the entry entering mould of outside cold source through the cooling tube 106 that sets up along the shaping chamber appearance, and from the export outflow mould of cooling tube 106, the cold source cools off the raw materials that have been full of the shaping, make the raw materials from the solidification shaping in the liquid.

When the raw material is solidified and formed, the inlet of the cooling pipeline 106 is closed, and the cold source still existing in the mold flows out of the mold through the outlet.

When the cold source flows out of the mold, the lifting cylinder starts to drive the three plate 202 to move towards the direction of the four plate 203, so that the upper mold mechanism 1 and the lower mold mechanism 2 are separated, the molded shield and the upper mold mechanism 1 start to be separated from the mold, when the three plate 202 moves downwards, the movable member 310 moves downwards along with the three plate 202 due to the gravity of the movable member 310 and the molded shield, at the moment when the movable member 310 is separated from the three plate 202, the movable member 310 is pulled by the upward pulling force of the elastic member 320 vertical to the two plates, so that the molded shield and the three plate 202 are separated from the mold, and at the moment, the movable member 310 and the molded shield are in a balanced state.

At this time, the molded shield is taken out from the molding plate 311 of the movable member 310, and after the molded shield is taken out from the movable member 310, the molded shield is no longer stressed on the movable member 310, and the movable member 310 moves upward along with the spring tension and is in a balanced state again.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A shield casting forming die comprises an upper die mechanism (1) and a lower die mechanism (2), wherein the upper die mechanism (1) is provided with an upper die core (108), the lower die mechanism (2) is provided with a lower die core (201), the upper die core (108) is matched with the lower die core (201) to form a forming cavity, the upper die mechanism (1) comprises a plate (101), two plates (102), a hot runner (104) and a cooling pipeline (106), the two plates (102) are arranged below the plate (101), a feeding pipeline (103) is arranged at the center of the plate (101), an inlet of the hot runner (104) is connected with the feeding pipeline (103), an outlet of the hot runner (104) is connected with a feeding port (107) arranged at the bottom of the two plates (102), the lower die mechanism (2) comprises a three plate (202), a four plate (203) and a lifting cylinder, the three plate (202) is arranged below the two plates (102), the lifting cylinder connects the three plates (202) and the four plates (203), characterized in that: the device is characterized in that a spreading mechanism (3) capable of spreading a shield is arranged between the upper die mechanism (1) and the lower die mechanism (2), the shape of the spreading mechanism (3) is matched with the shape of the upper die mechanism (1) and the shape of the lower die mechanism (2), and the spreading mechanism (3) moves back and forth towards the lower die mechanism (2).

2. The shield casting mold according to claim 1, wherein: the two plates (102) comprise a cavity (109), the opening mechanism (3) comprises a movable piece (310), the movable piece (310) is sleeved in the cavity (109), and the movable piece (310) moves up and down along the cavity (109).

3. The shield casting mold according to claim 2, wherein: the top of the movable piece (310) is provided with a protrusion (312), the protrusion (312) is T-shaped, and the height of the protrusion (312) is matched with that of the cavity (109).

4. The shield casting mold according to claim 3, wherein: one end of the movable piece (310) close to the molding cavity is provided with a molding plate (311), and the shape of the molding plate (311) is matched with that of the molding cavity.

5. The shield casting mold according to claim 2, wherein: one or more sets of cavities (109) and moving members (310).

6. The shield casting mold according to claim 5, wherein: the opening mechanism (3) comprises an elastic piece (320), the elastic piece (320) is installed in the cavity (109), one end of the elastic piece (320) is connected to the two plates (102), and the other end of the elastic piece (320) is connected to the movable piece (310).

7. The shield casting mold according to claim 6, wherein: the elastic member comprises a spring, one end of the spring is connected with the two plates (102), and the other end of the spring is connected with the protrusion (312) of the movable member (310).

8. The shield casting mold according to claim 1, wherein: the cooling pipeline (106) is a water cooling pipeline and/or an air cooling pipeline.