CN211248234U

CN211248234U - Casting mould plate of control arm casting for automobile

Info

Publication number: CN211248234U
Application number: CN201922114893.3U
Authority: CN
Inventors: 刘长锁; 王渊; 张�杰; 马毅光
Original assignee: Shanxi Huaxiang Group Co ltd
Current assignee: Shanxi Huaxiang Group Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-14
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a casting template of control arm foundry goods for car contains and is equipped with 3 just, the positive and negative sand box template of positive casting mould respectively, and 2 independent rising heads about every casting mould is connected, and it has the runner that accesss to the template bottom to link out to correspond from the horizontal runner of meal sand box template. And the pouring gate supplies molten iron to the bottom of the casting mold cavity through the shutoff pieces, the pouring gate and other pouring gates, so that the casting mold cavity supplies liquid from the bottom pouring gate and the lower riser in addition to the liquid supplied from the upper riser, and the molten iron can effectively slow down the scouring force of the molten iron on the sand mold, improve the appearance quality of the casting, solve the problem of molten iron loss at the bottom of the riser, keep the amount of the molten iron and improve the feeding capacity of the riser.

Description

Casting mould plate of control arm casting for automobile

Technical Field

The utility model relates to a casting template that uses among the casting process, especially a casting template for producing control arm foundry goods for car.

Background

On a template cast by a traditional automobile control arm, a positive template and a negative template which are generally shown in figures 1 and 2 adopt a pouring mode that an upper riser and a lower riser are connected in series, and molten iron flows downwards from the tops of the risers, enters a corresponding casting cavity and then flows downwards to gradually fill the whole cavity and the risers during casting. However, in this way, the molten iron has a large scouring force on the cavity, and the molten iron at the bottom of the riser is easy to run off, so that the amount of the molten iron cannot be well maintained, and the feeding effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem promptly the casting template of control arm foundry goods for car that feeding is effectual, the casting process can not exert an influence to the sand mould is provided.

The technical means adopted by the utility model are as follows.

A casting mould plate of a control arm casting for an automobile at least comprises 1 casting unit, each casting unit comprises a positive sand box mould plate and a negative sand box mould plate, 3 positive casting moulds which are transversely arranged are arranged on the positive sand box mould plate, 3 negative casting moulds matched with the positive casting moulds are arranged on the negative sand box mould plate, and a cross gate is arranged above the 3 negative casting moulds; a first channel and a second channel are formed among the 3 positive casting molds, wherein the opposite inner sides of the positive casting molds on the two sides of the second channel are provided with an upper positive riser and a lower positive riser, the other positive casting mold is provided with an upper positive riser and a lower positive riser on the side of the first channel, the upper part of the first channel is provided with a longitudinal first pouring gate, the top end of the first pouring gate corresponds to the cross pouring gate, the bottom of the lower positive riser adjacent to the first pouring gate is communicated with a first connecting part, one side of the first connecting part is communicated with the bottom of the positive casting mold connected with the lower positive riser, the other side of the first connecting part is provided with a protruding part, the bottom of the second channel is provided with a second connecting part, the two sides of the second connecting part are respectively communicated with the bottoms of the adjacent positive casting molds, and the two sides of the top end of the second connecting part are respectively communicated; a third channel corresponding to the first channel and a fourth channel corresponding to the second channel are formed among the 3 reverse casting molds, the 3 reverse casting molds are respectively provided with an upper reverse riser and a lower reverse riser which are arranged corresponding to the upper and lower normal risers, the reverse flask type plate 2 also comprises a second pouring gate, the starting end of the second pouring gate is positioned in the middle of the third channel and corresponds to the bottom of the first pouring gate, the second pouring gate extends downwards to the lower part of the bottom of the middle reverse casting mold and upwards extends from the bottom of the fourth channel, the tail end of the second pouring gate corresponds to the second connecting part, and the protruding part of the first connecting part corresponds to the part of the second pouring gate positioned at the bottom of the third channel; the upper positive riser and the lower positive riser, and the upper reverse riser and the lower reverse riser are independently arranged and are not directly communicated with each other.

Furthermore, the first connecting part comprises a third pouring channel, one side of the third pouring channel is communicated with the bottom of the positive casting mold through a pouring gate, and the other side of the third pouring channel protrudes and is provided with a first cutoff piece; the second connecting part comprises a second intercepting piece, two sides of the second intercepting piece are respectively communicated with a fourth pouring gate which is longitudinally arranged, the top end of each fourth pouring gate is communicated with the bottom of a lower positive riser above the fourth pouring gate, and the opposite outer side surfaces of the 2 fourth pouring gates are communicated with adjacent positive casting molds through pouring gates; the first intercepting piece is arranged corresponding to a second pouring channel at the bottom of the third channel, and the tail end of the second pouring channel corresponds to the second intercepting piece.

Furthermore, the top end of the upper dead head is a transition section with gradually reduced width, the top of the transition section is connected with a widened sprue, the widened sprue corresponds to the horizontal pouring gate, and the width of the widened sprue is greater than that of the transition section.

Furthermore, each group of upper and lower positive risers are respectively arranged at one-third sharing point of the positive casting die.

The utility model has the advantages that: the utility model discloses the upper and lower rising head independently sets up, and not direct each other is linked together, and the upper and lower rising head top sets up the runner heat supply, and lower rising head bottom and ingate are connected, water the molten iron supply by the bottom, can effectively slow down the scouring force of molten iron to the sand mould, promote foundry goods appearance quality to solve the problem that the molten iron runs off in rising head bottom, can keep the volume of molten iron, promote the feeding ability of rising head.

Drawings

Fig. 1A is a schematic structural view of a conventional positive casting pattern plate.

Fig. 1B is a schematic diagram of a conventional reverse casting pattern.

Fig. 2 is a schematic view of another conventional casting pattern.

Fig. 3 is a schematic structural view of the positive casting template of the present invention.

Fig. 4 is a schematic structural diagram of the reverse casting shaping plate of the present invention.

Fig. 5 is a schematic structural view of the control arm casting.

FIG. 6 is a schematic view showing the flow of molten iron during casting.

Detailed Description

The utility model provides a foundry goods template of control arm foundry goods for car. It contains at least 1 casting unit, each casting unit containing a drag flask pattern plate 1 and a drag flask pattern plate 2. As shown in fig. 3, the drag flask pattern plate 1 is provided with 3 drag casting molds 11 arranged in a lateral direction. As shown in fig. 4, the cope flask pattern plate 2 is provided with 3 cope and drag molds 21 engaged with the cope mold 11, and a runner 3 communicating with a top outer gate is provided above the 3 cope and drag molds 21.

A first channel 41 and a second channel 42 are formed between the 3 positive casting molds 11, wherein the opposite inner sides of the positive casting molds 11 on the two sides of the second channel 42 are provided with an upper positive riser 12 and a lower positive riser 13, and the other positive casting mold 11 is provided with an upper positive riser 12 and a lower positive riser 13 on the side of the first channel 41. The top end of the upper positive riser 12 is a transition section 121 with a gradually reduced width, the top of the transition section 121 is connected with a widened gate 122, the widened gate 122 corresponds to the runner 3, and the width of the widened gate 122 is greater than that of the transition section 121. Each group of upper and lower

positive risers

12, 13 are respectively arranged at the one-third sharing point of the positive casting die 11.

The upper portion of the first passage 41 is provided with a longitudinal first runner 51, and the top end of the first runner 51 corresponds to the runner 3. A first connecting portion is connected to the bottom of the lower positive riser 13 adjacent to the first gate 51, one side of the first connecting portion is connected to the bottom of the positive casting mold 11 connected to the lower positive riser 13, and a protruding portion is provided on the other side of the first connecting portion.

The bottom of the second channel 42 is provided with a second connecting part, two sides of the second connecting part are respectively communicated with the bottoms of the adjacent positive casting molds 11, and two sides of the top end of the second connecting part are respectively communicated with the bottoms of the lower positive risers of the adjacent positive casting molds 11. In the embodiment shown in the figure, the second connecting portion comprises a second cut-off piece 62 disposed at the lower middle position of the second channel 42, the two sides of the second connecting piece are respectively communicated with the longitudinally disposed fourth runners 54, the top end of each fourth runner 54 is communicated with the bottom of the lower positive riser 13 above the fourth runner, and the opposite outer side surfaces of 2 fourth runners 54 are communicated with the adjacent positive casting mold 11 through gates.

As shown in fig. 4, third passages 43 corresponding to the first passages 41 and fourth passages 44 corresponding to the second passages 42 are formed between the 3 reverse casting molds 21. The 3 reverse casting molds 21 are provided with upper and lower

reverse risers

22, 23 corresponding to the upper and lower

normal risers

12, 13. Correspondingly, each group of upper and lower

reverse risers

22, 23 are also respectively arranged at the one-third sharing point of the reverse casting mold 21.

The drag flask pattern plate 2 further includes a second gate 52, the beginning of the second gate 52 being located at a position above the middle of the third passageway 43 and corresponding to the bottom of the first gate 51, the second gate 52 extending downwardly below the bottom of the middle drag mold 21 and upwardly from the bottom of the fourth passageway 44, and the end of the second gate 52 corresponding to the second stop piece 62.

The first cutoff piece 61 is positioned at a position corresponding to a portion of the second gate 52 at the bottom of the third passage 43.

Further, since the runners, the cutoff pieces, and the like are provided, the upper and lower

positive risers

12 and 13, and the upper and lower

negative risers

22 and 23 are provided independently and are not directly connected to each other.

In the exemplary embodiment, because the control arm is shaped with a tilt angle as shown in FIG. 5, the parting plane will typically be tilted with a tilt that is more favorable to the casting process from the casting process perspective, as shown by the conventional pattern tilt of FIG. 2. Therefore, the template of the utility model, the front sand box template 1 and the back sand box template 2 can also have a certain inclination angle. Correspondingly, what is shown in fig. 3 and 4 is a parting plane bending part, and the angle and the way of inclination of the parting plane bending part do not affect the structure and the arrangement way of the pouring gate and the riser, which can be realized by those skilled in the art, and are not described in detail.

When the sand mould is manufactured, the front sand box template 1 and the back sand box template 2 press a cavity corresponding to the parts in the front sand box and the back sand box. Referring to fig. 3, 4 and 6, when the mold is closed for casting molten iron, the molten iron enters the cavity of the runner 3 from the outer gate, and a part of the molten iron enters the cavity of the riser along the cavity of the widened gate 122 and enters the cavity of the casting; the other part enters the cavity of the second pouring channel 52 along the cavity of the first pouring channel 51, finally enters the cavity of the second shutoff piece 62 along the flowing, and the molten iron in the cavity of the second shutoff piece 62 overflows to two sides and also overflows to the cavity of the upper lower riser. When the molten iron in the cavity of the second pouring channel 52 flows through the cavity of the first cutoff piece 61, a part of the molten iron is shunted to enter the cavity of the third pouring channel 53 and then simultaneously enters the communicated lower feeder cavity and the bottom of the casting cavity. Therefore, each casting cavity is provided with 3 molten iron inlets, molten iron enters the bottom of the casting cavity and the bottom of the lower riser from a pouring gate and overflows upwards, the scouring force of the molten iron on a sand mold can be effectively reduced, the appearance quality of a casting is improved, the problem of molten iron loss at the bottom of the riser is solved, the amount of the molten iron can be kept, the upper riser and the lower riser are independently separated, and the feeding capacity of the riser is improved.

Claims

1. The utility model provides a casting template of control arm foundry goods for car, contains 1 casting unit at least, and every casting unit contains positive sand box template (1) and negative sand box template (2), be equipped with 3 positive casting mould (11) of transverse arrangement on positive sand box template (1), be equipped with on negative sand box template (2) with 3 negative casting mould (21) of positive casting mould (11) complex, the top of 3 negative casting mould (21) is equipped with horizontal runner (3), its characterized in that:

a first passage (41) and a second passage (42) are formed between the 3 positive casting molds (11), wherein, the relative inner sides of the positive casting molds (11) at the two sides of the second channel (42) are provided with an upper positive riser and a lower positive riser, the other positive casting die (11) is provided with an upper positive riser and a lower positive riser on the side of the first channel (41), the upper part of the first channel (41) is provided with a longitudinal first pouring gate (51), the top end of the first pouring channel (51) corresponds to the cross pouring channel (3), a first connecting part is communicated with the bottom of the lower dead head adjacent to the first pouring channel (51), one side of the first connecting part is communicated with the bottom of a positive casting mold (11) connected with the lower positive riser, the other side of the first connecting part is provided with a protruding part, the bottom of the second channel (42) is provided with a second connecting part, two sides of the second connecting part are respectively communicated with the bottoms of the adjacent positive casting molds (11), and two sides of the top end of the second connecting part are respectively communicated with the bottoms of the lower positive risers of the adjacent positive casting molds (11);

a third channel (43) corresponding to the first channel (41) and a fourth channel (44) corresponding to the second channel (42) are formed among the 3 reverse casting molds (21), upper and lower reverse risers corresponding to the upper and lower normal risers are arranged on the 3 reverse casting molds (21), a second pouring gate (52) is further arranged on the reverse flask molding plate (2), the starting end of the second pouring gate (52) is positioned in the middle of the third channel (43) and corresponds to the bottom of the first pouring gate (51), the second pouring gate (52) extends downwards to the lower part of the bottom of the middle reverse casting mold (21) and extends upwards from the bottom of the fourth channel (44), the tail end of the second pouring gate (52) corresponds to the second connecting part, and the protruding part of the first connecting part corresponds to the part of the second pouring gate (52) positioned at the bottom of the third channel (43);

the upper positive riser and the lower positive riser, and the upper reverse riser and the lower reverse riser are independently arranged and are not directly communicated with each other.

2. The casting form of a control arm casting for automobiles according to claim 1, characterized in that said first connecting portion comprises a third runner (53), one side of the third runner (53) is communicated with the bottom of the positive casting mold (11) through a gate, and the other side of the third runner (53) is protrusively provided with a first cutoff piece (61);

the second connecting part comprises a second intercepting piece (62), two sides of the second intercepting piece are respectively communicated with a fourth pouring gate (54) which is longitudinally arranged, the top end of the fourth pouring gate (54) is communicated with the bottom of a lower positive riser above the fourth pouring gate, and the relative outer side surfaces of 2 fourth pouring gates (54) are communicated with adjacent positive casting molds (11) through gates;

the first intercepting piece (61) is arranged corresponding to a second pouring channel (52) at the bottom of the third channel (43), and the tail end of the second pouring channel (52) corresponds to the second intercepting piece (62).

3. The casting template of the control arm casting for the automobile as recited in claim 1, characterized in that the top end of the upper dead head (12) is a transition section (121) with a gradually reduced width, the top of the transition section (121) is connected with a widened gate (122), the widened gates (122) correspond to the runners (3), and the width of the widened gates (122) is greater than that of the transition section (121).

4. The cast profile plate for a control arm casting for an automobile according to claim 1, wherein each set of the upper and lower positive risers is provided at a one-third sharing point of the positive casting mold (11).