CN216299883U

CN216299883U - Forming die

Info

Publication number: CN216299883U
Application number: CN202122894017.4U
Authority: CN
Inventors: 黄艳; 陈锦兴; 梁宏英; 吴建雄; 彭亮; 钟华清
Original assignee: Dongguan Dongsheng Die Casting Mould Co ltd
Current assignee: Dongguan Dongsheng Die Casting Mould Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-15
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of die forming, in particular to a forming die; comprises an upper die component, a lower die component, a glue inlet component and a side core-pulling component; the glue inlet assembly comprises a ring-shaped piece, a sleeve and a flow dividing piece, wherein the outer wall body of the ring-shaped piece is arranged in the annular groove, and the sleeve is sleeved on the outer side of the ring-shaped piece and covers the annular groove; the annular piece is provided with a through hole and a first notch, the through hole penetrates through the annular piece along the thickness direction of the annular piece, the first notch is arranged from the lower end face of the annular piece and along the height direction of the annular piece, and the first notch is communicated with the through hole; the flow dividing piece comprises a bottom plate and a boss, the boss comprises a boss upper surface, a boss side surface and a second notch, the bottom plate is provided with the bottom plate upper surface, the second notch is concavely arranged on the boss side surface, the surface of the second notch is connected with the boss upper surface and the bottom plate upper surface, and the second notch and the first notch are matched to form a main flow channel; the glue feeding amount of the molten glue entering the cavity is increased, and the purpose of rapid molding is realized.

Description

Forming die

Technical Field

The utility model relates to the technical field of mold forming, in particular to a forming mold.

Background

For a pouring formed part with a complex structure and a large volume, in order to quickly fill a cavity with molten rubber, the temperature of the molten rubber is generally required to be kept, and the stability and the qualification rate of forming are ensured.

Disclosure of Invention

In order to overcome the defects of poor heat preservation effect and more residual sizing materials of the existing glue inlet assembly in the prior art, the utility model aims to provide a forming die which can improve the heat preservation performance of the glue inlet assembly, reduce the quantity of the residual sizing materials and improve the utilization rate of the sizing materials.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a forming die comprises an upper die assembly, a lower die assembly, a glue inlet assembly and a side core-pulling assembly; the upper die assembly and the lower die assembly form a cavity after being assembled;

the glue inlet assembly comprises a ring-shaped piece, a sleeve and a shunt piece, the ring-shaped piece is arranged on the upper die assembly, the outer wall body of the ring-shaped piece is arranged in the annular groove, and the sleeve is sleeved on the outer side of the ring-shaped piece and covers the annular groove;

the annular piece is provided with a through hole and a first notch, the through hole penetrates through the annular piece along the thickness direction of the annular piece, the first notch is arranged from the lower end face of the annular piece and along the height direction of the annular piece, and the first notch is communicated with the through hole;

the flow dividing piece comprises a bottom plate and a boss, the boss comprises a boss upper surface, a boss side surface and a second notch, the bottom plate is provided with the bottom plate upper surface, the second notch is concavely arranged on the boss side surface, the surface of the second notch is connected with the boss upper surface and the bottom plate upper surface, and the second notch and the first notch are matched to form a main flow channel;

the upper die assembly and/or the lower die assembly are/is provided with inclined holes, and the inclined holes are communicated with the die cavity;

the side core-pulling assembly comprises a driving piece and a movable rod, the driving piece is arranged on the upper die assembly and/or the lower die assembly, and the movable rod is connected to the inclined hole in a sliding mode; the driving piece drives the movable rod to move, so that the movable rod protrudes into the die cavity or is separated from the die cavity.

Furthermore, the radial specification of the boss is smaller than that of the base plate, the lower surface of the annular piece is abutted to the upper surface of the base plate, and the boss protrudes into the through hole.

Furthermore, the upper surface of boss with the central axis of through-hole is the contained angle setting for external melting material flows to the second breach along the upper surface of boss.

The utility model has the beneficial effects that: through the lateral wall processing recess at the loop forming element, the outer wall cover at the loop forming element is equipped with the sleeve and improves the heat insulating ability of advancing gluey subassembly, and the reposition of redundant personnel piece is equipped with the second breach, and the increase melting sizing material gets into advancing gluey volume of die cavity, realizes quick fashioned purpose.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a partial perspective view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a cross-sectional view of a glue inlet assembly of the present invention;

FIG. 5 is a perspective view of the glue inlet assembly of the present invention;

fig. 6 is a schematic diagram of a split structure of the glue inlet assembly of the utility model.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 6, a forming mold of the present invention includes an upper mold assembly 1, a lower mold assembly 2, a glue feeding assembly 3 and a side core pulling assembly 4; the upper die component 1 and the lower die component 2 are matched to form a cavity;

the glue inlet component 3 comprises a ring-shaped part 31, a sleeve 32 and a flow dividing part 33, wherein the ring-shaped part 31 is arranged on the upper die component 1, the outer wall of the ring-shaped part 31 is arranged in an annular groove 311, and the sleeve 32 is sleeved on the outer side of the ring-shaped part 31 and covers the annular groove 311;

the ring-shaped member 31 is provided with a through hole 312 and a first notch 313, the through hole 312 penetrates through the ring-shaped member 31 along the thickness direction of the ring-shaped member 31, the first notch 313 starts from the lower end surface of the ring-shaped member 31 and is arranged along the height direction of the ring-shaped member 31, and the first notch 313 is communicated with the through hole 312;

the flow divider 33 comprises a bottom plate 331 and a boss 332, the boss 332 comprises a boss upper surface 3321, a boss side surface 3322 and a second notch 3323, the bottom plate 331 is provided with a bottom plate upper surface 3311, the second notch 3323 is concavely provided on the boss side surface 3322, the surface of the second notch 3323 is connected with the boss upper surface 3321 and the bottom plate upper surface 3311, and the second notch 3323 and the first notch 313 are matched to form a main flow channel;

the upper die assembly 1 and/or the lower die assembly 2 are/is provided with inclined holes, and the inclined holes are communicated with the die cavity;

the side core-pulling assembly 4 comprises a driving piece and a movable rod, the driving piece is arranged on the upper die assembly 1 and/or the lower die assembly 2, and the movable rod is connected to the inclined hole in a sliding mode; the driving piece drives the movable rod to move, so that the movable rod protrudes into the die cavity or is separated from the die cavity.

Specifically, in this embodiment, the glue feeding assembly 3 includes a ring-shaped member 31, a sleeve 32 and a split-flow member 33, the ring-shaped member 31 is in a hollow cylindrical shape, a spiral groove is processed on the outer side wall of the ring-shaped member 31, the sleeve 32 is sleeved outside the ring-shaped member 31, the spiral groove is arranged to form a vacuum between the sleeve 32 and the outer side wall of the ring-shaped member 31, the sleeve 32 is arranged to enable the glue feeding assembly 3 to have a heat preservation effect, the hollow cylindrical ring-shaped member 31 has the characteristics of large volume and large capacity, the heat preservation performance is improved, the constant temperature of the molten glue material in the feeding process is ensured, the forming qualification rate is improved, a boss side surface 3322 of the split-flow member 33 is provided with a second notch 3323, the second notch 3323 is in an inward concave shape, an included angle formed at the intersection joint of the surface of the second notch 3323 and the boss side surface 3322 is in an acute angle shape, the second notch 3323 has the function of collecting the molten glue material, the molten glue material enters the first notch 313 from the second notch 3323 and then enters the cavity, finishing the feeding of the molten rubber material, processing inclined holes on the upper die assembly 1 and/or the lower die assembly 2 according to the hole site requirement of the workpiece, so that the movable rod (the insert pin) is connected to the inclined holes in a sliding manner, the driving piece is of a cylinder structure, and the purposes of sliding out the movable rod firstly and then demoulding are realized under the action of the driving piece.

Through the lateral wall processing recess at annular member 31, the outer wall cover at annular member 31 is equipped with sleeve 32, improves the heat insulating ability of advancing gluey subassembly 3, and reposition of redundant personnel piece 33 is equipped with second breach 3323, and the increase melting sizing material gets into the volume of advancing of die cavity, realizes rapid prototyping's purpose.

The radial dimension of the boss 332 is smaller than that of the base plate 331, the lower surface of the ring member 31 abuts against the upper surface 3311 of the base plate, and the boss 332 protrudes into the through hole 312.

The upper surface of boss 332 with the central axis of through-hole 312 is the contained angle setting for external fused material flows to second breach 3323 along the upper surface of boss 332, and the upper surface of boss 332 is the slope form, makes the fused sizing material flow to low department from the eminence under the action of self gravity, further reduces the relict of remaining fused sizing material in advancing gluey subassembly 3, improves the utilization ratio of material.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A molding die, characterized in that: comprises an upper die component (1), a lower die component (2), a glue inlet component (3) and a side drawing core component (4); the upper die assembly (1) and the lower die assembly (2) are assembled to form a cavity;

the glue inlet component (3) comprises a ring-shaped piece (31), a sleeve (32) and a flow dividing piece (33), the ring-shaped piece (31) is arranged on the upper die component (1), the outer wall body of the ring-shaped piece (31) is arranged in the annular groove (311), and the sleeve (32) is sleeved on the outer side of the ring-shaped piece (31) and covers the annular groove (311);

the ring-shaped piece (31) is provided with a through hole (312) and a first notch (313), the through hole (312) penetrates through the ring-shaped piece (31) along the thickness direction of the ring-shaped piece (31), the first notch (313) starts from the lower end face of the ring-shaped piece (31) and is arranged along the height direction of the ring-shaped piece (31), and the first notch (313) is communicated with the through hole (312);

the flow dividing piece (33) comprises a bottom plate (331) and a boss (332), the boss (332) comprises a boss upper surface (3321), a boss side surface (3322) and a second notch (3323), the bottom plate (331) is provided with a bottom plate upper surface (3311), the second notch (3323) is concavely arranged on the boss side surface (3322), the surface of the second notch (3323) is connected with the boss upper surface (3321) and the bottom plate upper surface (3311), and the second notch (3323) is matched with the first notch (313) to form a main flow channel;

the upper die assembly (1) and/or the lower die assembly (2) are/is provided with inclined holes, and the inclined holes are communicated with the die cavity;

the side core-pulling assembly (4) comprises a driving piece and a movable rod, the driving piece is arranged on the upper die assembly (1) and/or the lower die assembly (2), and the movable rod is connected to the inclined hole in a sliding mode; the driving piece drives the movable rod to move, so that the movable rod protrudes into the die cavity or is separated from the die cavity.

2. The forming die as set forth in claim 1, wherein: the radial specification of the boss (332) is smaller than that of the base plate (331), the lower surface of the annular piece (31) is abutted against the upper surface (3311) of the base plate, and the boss (332) protrudes into the through hole (312).

3. The forming die as set forth in claim 1, wherein: the upper surface of the boss (332) and the central axis of the through hole (312) form an included angle, so that the external molten material flows to the second notch (3323) along the upper surface of the boss (332).