阅读说明：本技术 一种低压铸造用水冷模具水道结构 (Water-cooling mold water channel structure for low-pressure casting ) 是由 章益丹 刘方宝 求伟永 陈振兴 潘志江 黄栩冬 王沛忠 潘峰 于 2021-09-01 设计创作，主要内容包括：本发明公开了一种低压铸造用水冷模具水道结构,包括盖板和主体,所述盖板为环形体,其底面成型多个向下延伸的倒置三角形状或倒置梯形状的弧形块,主体为圆柱部件或环形套筒状,其顶面成型有多个向下延伸的倒置三角形状或倒置梯形状的弧形槽,弧形块插套在对应的弧形槽中；所述弧形块的侧壁和底面中部成型有相互相通的上导流槽,盖板的底面中部成型有底面导流槽,底面导流槽与对应的弧形块的上导流槽相通。它在使用时,作为成型模具的一部分模具,将其安装在整体的模具中,使得其与其他模具之间形成模具型腔,其可以保证冷却水沿着盖板和主体的壁面呈波浪形流动,使冷却水可以深入模具型腔厚大部位进行定向冷却,对模具型腔较薄部位避开冷却。(The invention discloses a water-cooling die water channel structure for low-pressure casting, which comprises a cover plate and a main body, wherein the cover plate is an annular body, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped blocks are formed on the bottom surface of the cover plate, the main body is a cylindrical component or an annular sleeve, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped grooves are formed on the top surface of the main body, and the arc-shaped blocks are inserted in the corresponding arc-shaped grooves; the side wall and the bottom surface middle part of the arc-shaped block are formed with upper diversion trenches which are mutually communicated, the bottom surface middle part of the cover plate is formed with a bottom surface diversion trench, and the bottom surface diversion trench is communicated with the upper diversion trench of the corresponding arc-shaped block. When the cooling water cooling device is used, the cooling water cooling device is used as a part of a mould of a forming mould and is arranged in the integral mould, so that a mould cavity is formed between the cooling water cooling device and other moulds, the cooling water can be ensured to flow in a wave shape along the wall surfaces of the cover plate and the main body, the cooling water can penetrate into the thick part of the mould cavity to be directionally cooled, and the thin part of the mould cavity is prevented from being cooled.)

1. The utility model provides a water-cooling mould water course structure for low pressure casting, includes apron (10) and main part (20), its characterized in that: the cover plate (10) is an annular body, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped blocks (11) are formed on the bottom surface of the annular body, the main body (20) is a cylindrical component or an annular sleeve, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped grooves (21) are formed on the top surface of the annular body, and the arc-shaped blocks (11) are inserted in the corresponding arc-shaped grooves (21);

upper diversion trenches (12) which are mutually communicated are formed in the middle of the side wall and the bottom surface of the arc-shaped block (11), a bottom diversion trench (13) is formed in the middle of the bottom surface of the cover plate (10), and the bottom diversion trench (13) is communicated with the upper diversion trench (12) of the corresponding arc-shaped block (11);

and a water inlet hole (14) and a water outlet hole (15) which penetrate downwards are formed in the edge part of the top surface of the cover plate (10), and the water inlet hole (14) and the water outlet hole (15) are communicated with the corresponding bottom surface diversion trenches (13).

2. The water channel structure of the water-cooled mold for low-pressure casting according to claim 1, wherein: the upper ends of the water inlet hole (14) and the water outlet hole (15) are communicated with a connector (1).

3. The water channel structure of the water-cooled mold for low-pressure casting according to claim 1, wherein: the top surface shaping of main part (20) has middle part annular slot (22), and the bottom surface shaping of middle part annular slot (22) has a plurality of arc walls (21).

4. The water channel structure of the water-cooled mold for low-pressure casting according to claim 3, wherein: the inner side wall and the bottom surface of the arc-shaped groove (21) are provided with lower guide grooves (23) which are communicated with each other, and the lower guide grooves (23) are aligned and correspond to the corresponding upper guide grooves (12).

5. The water channel structure of the water-cooled mold for low-pressure casting according to claim 4, wherein: the bottom surface of the middle annular slot (22) is formed with a lower annular groove (24), the lower annular groove (24) is communicated with the lower diversion trench (23), and the lower annular groove (24) is vertically aligned with and communicated with the bottom surface diversion trench (13).

6. The water channel structure of the water-cooled mold for low-pressure casting according to claim 1, wherein: the bottom surface of the arc block (11) is an arc surface or a wavy surface.

7. The water channel structure of the water-cooled mold for low-pressure casting according to claim 6, wherein: the bottom surface of the arc-shaped groove (21) is an arc-shaped surface or a wavy surface and is matched with the arc-shaped block (11).

The technical field is as follows:

the invention relates to the technical field of casting equipment, in particular to a water-cooling mold water channel structure for low-pressure casting.

Background art:

when current wheel hub carries out the low pressure casting and cools off, in order to guarantee the order cooling, the great position of its mould die cavity thickness need set up stronger cooling, the thinner part of die cavity wall thickness need set up weaker cooling, and the cooling water course generally horizontally encircles, make in the same circumference region of mould, the great position of die cavity wall thickness is unanimous with thinner position and cooling water course distance, cooling strength is unanimous, make blank cooling process can't form better temperature field, thinner position solidifies rapidly, thicker position solidifies slowly, cooling efficiency is low, the cooling effect is limited, still can lead to the cooling process to supply to contract not enough, the shaping quality is bad.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides a water-cooling mould water channel structure for low-pressure casting, which comprises a water-cooling mould water channel structure, as a part of a forming mold, is installed in an integral mold so that a mold cavity is formed between it and other molds, which can ensure the cooling water to flow in a wave shape along the cover plate and the wall surface of the main body, and because the cooling water flows in a wave shape, so that the water channel is close to the wall thickness of the product formed in the die cavity of the die and is far away from the thinner part of the product formed in the die cavity of the die in the same circumferential area of the water-cooled die, thereby setting the cooling intensity according to the requirement, leading the cooling water to penetrate into the thick part of the die cavity of the die for directional cooling, the thin part of the die cavity is prevented from being cooled, a temperature field for sequential cooling is generated in the casting process, the blank forming quality is optimized, and the cooling efficiency is improved.

The scheme for solving the technical problems is as follows:

a water cooling mould water channel structure for low-pressure casting comprises a cover plate and a main body, wherein the cover plate is an annular body, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped blocks are formed on the bottom surface of the cover plate, the main body is a cylindrical part or an annular sleeve, a plurality of downwards extending inverted triangular or inverted trapezoidal arc-shaped grooves are formed on the top surface of the main body, and the arc-shaped blocks are inserted in the corresponding arc-shaped grooves;

the middle parts of the side walls and the bottom surfaces of the arc-shaped blocks are provided with upper diversion trenches which are mutually communicated, the middle part of the bottom surface of the cover plate is provided with a bottom diversion trench, and the bottom diversion trench is communicated with the upper diversion trench of the corresponding arc-shaped block;

and a water inlet hole and a water outlet hole which penetrate downwards are formed in the edge part of the top surface of the cover plate and are communicated with the corresponding bottom surface diversion grooves.

And the upper ends of the water inlet hole and the water outlet hole are communicated with connectors.

The top surface shaping of main part has middle part annular slot, and the bottom surface shaping of middle part annular slot has a plurality of arcs.

The inner side wall and the bottom surface of the arc-shaped groove are provided with lower guide grooves communicated with each other, and the lower guide grooves are aligned and correspond to the corresponding upper guide grooves.

And a lower annular groove is formed on the bottom surface of the middle annular slot, the lower annular groove is communicated with the lower diversion trench, and the lower annular groove is vertically aligned with and communicated with the bottom diversion trench.

The bottom surface of the arc-shaped block is an arc-shaped surface or a wavy surface.

The bottom surface of the arc-shaped groove is an arc-shaped surface or a wavy surface and is matched with the arc-shaped block.

The invention has the following outstanding effects:

when the cooling water cooling device is used, the cooling water cooling device is used as a part of a forming die and is arranged in the integral die, so that a die cavity is formed between the cooling water cooling device and other dies, the cooling water cooling device can ensure that cooling water flows in a wave shape along the wall surfaces of the cover plate and the main body, and the cooling water cooling device is in the same circumferential area of the water cooling die, so that the water channel is close to the wall thickness part of a formed product at the die cavity and is far away from the thinner part of the formed product at the die cavity, the cooling strength is set according to requirements, the cooling water can penetrate into the thick part of the die cavity to carry out directional cooling, the thinner part of the die cavity is prevented from being cooled, a temperature field for sequential cooling is generated in the casting process, the blank forming quality is optimized, and the cooling efficiency is improved.

Description of the drawings:

FIG. 1 is a partial cross-sectional view of the cover plate and body of the present invention in a separated state;

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

FIG. 3 is a partial bottom view of the cover plate of the present invention;

fig. 4 is a partial top view of the cover plate of the present invention.

The specific implementation mode is as follows:

in an embodiment, as shown in fig. 1 to 4, a water channel structure of a water-cooling mold for low-pressure casting comprises a cover plate 10 and a main body 20, wherein the cover plate 10 is an annular body, the bottom surface of the cover plate is formed with a plurality of arc blocks 11 in an inverted triangular shape or an inverted trapezoid shape, which extend downwards, the main body 20 is in a cylindrical part or an annular sleeve shape, the top surface of the main body is formed with a plurality of arc grooves 21 in an inverted triangular shape or an inverted trapezoid shape, which extend downwards, and the arc blocks 11 are inserted and sleeved in the corresponding arc grooves 21;

upper diversion trenches 12 which are mutually communicated are formed in the side walls and the middle part of the bottom surface of the arc-shaped blocks 11, bottom diversion trenches 13 are formed in the middle part of the bottom surface of the cover plate 10, and the bottom diversion trenches 13 are communicated with the upper diversion trenches 12 of the corresponding arc-shaped blocks 11;

the edge of the top surface of the cover plate 10 is formed with a water inlet 14 and a water outlet 15 which penetrate downwards, and the water inlet 14 and the water outlet 15 are communicated with the corresponding bottom surface diversion trench 13.

Furthermore, the upper ends of the water inlet hole 14 and the water outlet hole 15 are both connected with the connector 1.

Further, a middle annular slot 22 is formed on the top surface of the main body 20, and a plurality of arc-shaped slots 21 are formed on the bottom surface of the middle annular slot 22.

Furthermore, the inner side wall and the bottom surface of the arc-shaped groove 21 are formed with lower guiding grooves 23 communicated with each other, and the lower guiding grooves 23 are aligned and correspond to the corresponding upper guiding grooves 12.

Further, a lower annular groove 24 is formed on the bottom surface of the middle annular slot 22, the lower annular groove 24 is communicated with the lower diversion trench 23, and the lower annular groove 24 is aligned with and communicated with the bottom diversion trench 13 up and down.

Further, the bottom surface of the arc block 11 is an arc surface or a wavy surface.

Further, the bottom surface of the arc-shaped groove 21 is an arc-shaped surface or a wavy surface, and is matched with the arc-shaped block 11.

In use, the main body 20 may be a cylindrical member or an annular sleeve, and when the main body is a cylindrical member, a middle annular slot 22 is formed on the top surface of the main body near the outer side wall;

the cover plate 10 can be covered on the top surface of the main body 20, then welding and fixing are carried out, a water inlet pipe and a water outlet pipe are communicated with two connectors 1, an upper diversion trench 12 corresponds to and is communicated with a lower diversion trench 23, a bottom surface guide trench 13 is positioned in a lower annular groove 24 and is aligned and communicated up and down, at the moment, cooling water can flow along the upper diversion trench 12, the lower diversion trench 23, the bottom surface guide trench 13 and the lower annular groove 24 after entering from the water inlet pipe, cooling is carried out, the cooling water flows along the wall surfaces of the cover plate 10 and the main body 20 in a corrugated shape, finally, the cooling water is discharged from the water outlet pipe, is taken as a part of a forming mold, is installed in the integral mold (such as being combined with other mold parts, or being welded and fixed with other molds, installed and fixed or directly formed on other molds), so that a mold cavity is formed between the water outlet pipe and other molds, and cooling water flow in a wave shape, and because the water cooling mold flows in a wave shape, the water channel is close to the wall thickness part of a molded product at the mold cavity and is far away from the thinner part of the molded product at the mold cavity in the same circumferential area of the water cooling mold, so that the cooling strength is set as required, cooling water can penetrate into the thick part of the mold cavity to carry out directional cooling, the thinner part of the mold cavity is prevented from being cooled, a temperature field for sequential cooling is generated in the casting process, the blank molding quality is optimized, and the cooling efficiency is improved.

The cover plate 10 and the main body 20 in the drawings of the present embodiment are simplified views, and the main body 20 in the drawings is in the shape of an annular sleeve. It can set up according to the different moulds of the product of making, when it was as automobile wheel hub's side form, still the shaping has forming die's protruding position on the inside wall of its main part 20, and arc piece 11 and arc wall 21 can set up as required slant to guarantee that its water course can carry out directional cooling with the thick major part position of mould die cavity, avoid the cooling to the thinner position of mould die cavity.

The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.