CN219473177U - High-strength support die casting with insert - Google Patents

Abstract

The utility model relates to a high-strength support die casting with an insert, and belongs to the field of die casting structural parts. The metal plate mold comprises a metal plate mold insert, wherein the metal plate mold insert comprises an insert plane and an insert side surface, the insert plane and the insert side surface are integrally arranged, reinforcing holes, upper limit stop pieces, lower limit stop pieces and waist-shaped positioning holes are formed in two sides of the insert plane, reinforcing holes are formed in two sides of the insert side surface, overflow holes are formed in the middle of the insert side surface, waist-shaped positioning hole fixing points and waist-shaped positioning hole limit stop pieces are formed in the waist-shaped positioning holes, overflow hole limit stop pieces are formed in the overflow holes, the metal plate mold insert is located in a support die casting body formed by processing a mold, the mold comprises a sliding block, waist-shaped positioning pins, a fixed mold, a feeding hole, a movable mold and an oil cylinder, the sliding block, the fixed mold, the feeding hole and the oil cylinder are all arranged on the movable mold, the sliding block is connected with a piston rod of the oil cylinder, and the waist-shaped positioning pins are arranged on the sliding block.

Description

High-strength support die casting with insert

Technical Field

The utility model relates to a high-strength support die casting with an insert, and belongs to the field of die casting structural parts.

Background

At present, for a bracket structural member processed by adopting a die casting process, the bracket structural member is basically integrally formed, the strength of the structural member is generally increased by increasing the wall thickness, increasing the reinforcing ribs or carrying out a post heat treatment process on a die casting, but for the die casting, the too thick wall thickness can cause the overlarge difference between the cooling speed of the position of the wall thickness of the die casting and the cooling speed of the position of the thin wall in the cooling process, so that the die casting has the defects of shrinkage deformation, shrink printing and the like; too small reinforcing ribs have no effect, and too large reinforcing ribs can affect the peripheral installation space; if the heat treatment is added in the later step, the process route is lengthened, the cost is increased, and the like; it is necessary to find another way to solve the poor strength of the prior art die castings.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the die casting with the insert, which is reasonable in structural design and provided with the high-strength support.

The utility model solves the problems by adopting the following technical scheme: the high-strength support die casting with the insert is characterized in that: including the panel beating mold insert, the panel beating mold insert includes mold insert plane and mold insert side, mold insert plane and mold insert side structure as an organic whole set up, mold insert planar both sides are provided with reinforcing hole, go up spacing piece, lower spacing piece and waist formula locating hole that ends, the both sides of mold insert side are provided with reinforcing hole, the middle part of mold insert side is provided with the overflow aperture. The die-casting structure not only can meet the requirement of increasing the strength of the bracket, but also can meet the requirement of a die-casting production process, and is suitable for mass production in the die-casting process; the reinforcing holes are formed by stamping before bending, the number of the reinforcing holes is uniformly distributed on the surface of the sheet metal insert, the distance is 15-18mm, and the diameter is 3-5mm.

Further, the waist-shaped positioning hole is provided with a waist-shaped positioning hole fixing point and a waist-shaped positioning hole limiting stop piece. The width of waist shape locating hole fixed point is 2-3mm, and this width is in order to control the area of contact of sheet metal mold insert and waist shape locating pin on the slider, and area of contact is too big and causes the pulling force too big and be difficult for drawing of patterns when drawing of patterns easily, and area of contact is too little can lead to the sheet metal mold insert fixed not firm enough and place unstably.

Further, an overflow hole limiting stop piece is arranged on the overflow hole. The overflow hole is square, is positioned in the middle position of the sheet metal insert, is just the parting surface position of the die and is also the feed inlet position, and the overflow hole is formed in order to avoid blocking the feeding of molten aluminum.

Further, the sheet metal insert is located in a support die cast body machined by a die. The sheet metal insert is conveniently fixed on the slide block of the die during die casting, so that the operation is convenient; the sheet metal insert needs to be provided with a limiting structure, and the position after fixing is exactly positioned at the middle position of the die cavity; the sheet metal insert needs to be provided with a reinforcing structure which is integrated with the aluminum alloy, so that the sheet metal insert is prevented from sliding in the molding or demolding process; the sheet metal insert is provided with an overflow structure, so that the position of the insert in a die cavity is prevented from being changed due to overlarge resistance of the aluminum alloy in the high-speed injection process.

Further, the die comprises a sliding block, a kidney-shaped locating pin, a fixed die, a feeding hole, a movable die and an oil cylinder, wherein the sliding block, the fixed die, the feeding hole and the oil cylinder are all arranged on the movable die, the sliding block is connected with a piston rod of the oil cylinder, and the kidney-shaped locating pin is arranged on the sliding block.

Further, the sheet metal insert is mounted on the slider. The sheet metal insert is fixed on a sliding block of the die, is convenient to take out after the die is opened, and is used for placing the sheet metal insert of the next die; the thickness of the sheet metal insert is 1.5-2mm, and the sheet metal insert is too thick to be beneficial to bending and forming, and is too thin and not strong enough and easy to deform.

Further, the waist-shaped locating pin is positioned in the waist-shaped locating hole, and the waist-shaped locating pin is in fixed point contact with the waist-shaped locating hole. The waist-shaped locating pin is provided with a fixed spigot, and after the sheet metal insert is placed into the waist-shaped locating pin, the waist-shaped locating pin surface is attached to the fixed spigot surface, and the sheet metal insert is positioned at the middle position of the die cavity.

Further, the upper limit stop piece and the lower limit stop piece respectively prop against the upper surface and the lower surface of the die cavity. The heights of the upper limit stop piece and the lower limit stop piece are the wall thickness of the bracket die casting body minus the wall thickness of the sheet metal insert divided by 2, so that the sheet metal insert is fixed behind the mold core and is just positioned in the middle position of the wall thickness cavity; gaps are reserved between the upper limiting stop piece and the lower limiting stop piece and the kidney-shaped locating pin, and the upper limiting stop piece and the lower limiting stop piece are not in direct contact.

Further, the waist-shaped positioning hole limiting stop piece is propped against the upper surface of the die cavity.

Further, the overflow hole limiting stop piece is propped against the lower surface of the die cavity. The upper surface of the overflow hole is also provided with an overflow hole limiting stop piece, the position of the overflow hole limiting stop piece is positioned at the middle position of the sheet metal insert, and the sheet metal insert is prevented from being bent, and the middle bulge or the concave part is prevented from exceeding the outside of the cavity after being fixed.

Compared with the prior art, the utility model has the following advantages: the upper limit stop piece and the lower limit stop piece are arranged on the sheet metal insert, so that the problem that the sheet metal insert moves up and down in the cavity and cannot be completely integrated into an aluminum alloy die casting is solved; because the sheet metal insert is limited by the bending process and the material deformation problem, the dimensional accuracy is not very stable, and in order to prevent the sheet metal insert from being deformed too much due to the problem of dimensional instability, the position of the sheet metal insert after being fixed exceeds the outside of the cavity, so that the position of the sheet metal insert is corrected to the middle position of the cavity after the sheet metal insert is clamped by the upper die and the lower die of the die and the sliding block is reset even if the size of the sheet metal insert slightly exceeds the outside of the cavity due to the limiting stop pieces arranged at the upper, the lower, the left and the right and the middle positions of the sheet metal insert.

Through a plurality of reinforcing holes formed in the sheet metal insert, after the sheet metal insert is filled and wrapped by the aluminum alloy, the sheet metal insert can be better integrated with the aluminum alloy, and the aluminum alloy is firmer in strength due to the holding of the reinforcing holes, as in the principle of adding reinforcing steel bars into reinforced concrete; in addition, these reinforcement holes of seting up, the effect is that the aluminium water is when the injection gets into the mould die cavity, pressure and speed are all very fast, can receive the barrier of panel beating mold insert surface when the aluminium water passes through the panel beating mold insert, lead to the slowing down of aluminium water velocity, can change the flow direction that aluminium water filled even, the effect is very big to the terminal filling of support die casting body, the effect of these reinforcement holes is used for the overflow after the shaping, before the shaping, make things convenient for the aluminium water to directly pass the panel beating mold insert when the die cavity flows, can not change the flow velocity and the flow direction of aluminium water, the problem of the influence to the die casting technology after having solved adding the panel beating mold insert.

The waist type locating hole that is equipped with on the panel beating mold insert through, waist type locating hole fixed point in the waist type locating hole is the key that the panel beating mold insert was fixed on the slider of mould, because the die casting belongs to the production technology that production rhythm is very fast, consequently both guarantee that the panel beating mold insert is fixed firm, can not drop in the slider compound die process of mould, can not too tight again, place in the production process too tightly, can influence production efficiency, consequently only adopted 4 waist type locating hole fixed point to fix, can guarantee the firm of panel beating mold insert fixation, can realize the maneuverability when batch production again.

Through the fixed tang that is equipped with on waist shape locating pin, the position of control when placing the panel beating mold insert in production process, when the surface of panel beating mold insert and tang structure surface subsides when placing the panel beating mold insert, the position of panel beating mold insert just is in the intermediate position of mould die cavity, prevents to place the inaccurate panel beating mold insert position that leads to in the batch production process and surpasss the die cavity too much, and the die assembly in-process is crushed panel beating or is damaged the mould, influences production efficiency and mould life.

Drawings

Fig. 1 is a schematic perspective view of a high strength carrier die cast with inserts according to an embodiment of the present utility model.

Fig. 2 is a schematic perspective view 1 of a sheet metal insert according to an embodiment of the present utility model.

Fig. 3 is a schematic perspective view 2 of a sheet metal insert according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the mounting structure of a high strength carrier die cast with inserts according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a sheet metal insert according to an embodiment of the present utility model mounted on a slider.

FIG. 6 is a schematic view of a sheet metal insert mounted on a slider according to an embodiment of the present utility model.

Fig. 7 is a schematic view of an exploded structure of a mold according to an embodiment of the present utility model.

Fig. 8 is a schematic perspective view of a mold according to an embodiment of the present utility model.

In the figure: sheet metal insert 1, reinforcing hole 2, upper limit stop piece 3, lower limit stop piece 4, overflow hole 5, waist-shaped locating hole 6, slider 7, waist-shaped locating pin 8, fixed die 9, support die casting body 10, feed inlet 11, movable die 12, hydro-cylinder 13, waist-shaped locating hole fixed point 14, waist-shaped locating hole limit stop piece 15, overflow hole limit stop piece 16, fixed spigot 17, insert plane 1A, insert side 1B.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples

Referring to fig. 1 to 8, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present utility model, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present utility model without affecting the efficacy and achievement of the present utility model. In the meantime, if the terms such as "upper", "lower", "left", "right", "middle" and "a" are used in the present specification, they are merely for convenience of description, but are not intended to limit the scope of the present utility model, and the relative relation changes or modifications are considered to be within the scope of the present utility model without substantial modification of the technical content.

The high strength support die casting of taking mold insert in this embodiment, including panel beating mold insert 1, panel beating mold insert 1 includes mold insert plane 1A and mold insert side 1B, and mold insert plane 1A and mold insert side 1B are the integral type structure setting, and mold insert plane 1A's both sides are provided with reinforcing hole 2, go up spacing piece 3, lower spacing piece 4 and waist type locating hole 6 that ends, and mold insert side 1B's both sides are provided with reinforcing hole 2, and mold insert side 1B's middle part is provided with overflow hole 5.

The waist-shaped locating hole 6 in the embodiment is provided with a waist-shaped locating hole fixing point 14 and a waist-shaped locating hole limiting stop piece 15, the waist-shaped locating hole limiting stop piece 15 props against the upper surface of the die cavity, the overflow hole 5 is provided with an overflow hole limiting stop piece 16, the overflow hole limiting stop piece 16 props against the lower surface of the die cavity, and the upper limiting stop piece 3 and the lower limiting stop piece 4 respectively prop against the upper surface and the lower surface of the die cavity.

The sheet metal insert 1 is positioned in a support die casting body 10 formed by processing a die, the die comprises a sliding block 7, a kidney-shaped positioning pin 8, a fixed die 9, a feed inlet 11, a movable die 12 and an oil cylinder 13, the sliding block 7, the fixed die 9, the feed inlet 11 and the oil cylinder 13 are all arranged on the movable die 12, the sliding block 7 is connected with a piston rod of the oil cylinder 13, the kidney-shaped positioning pin 8 is arranged on the sliding block 7, the sheet metal insert 1 is arranged on the sliding block 7, the kidney-shaped positioning pin 8 is positioned in a kidney-shaped positioning hole 6, and the kidney-shaped positioning pin 8 is in contact with a kidney-shaped positioning hole fixing point 14.

Specifically, the sheet metal insert 1 is provided with the reinforcing hole 2, the upper limiting stop piece 3, the lower limiting stop piece 4, the overflow hole 5, the waist-shaped positioning hole 6, the waist-shaped positioning hole fixing point 14, the waist-shaped positioning hole limiting stop piece 15, the overflow hole limiting stop piece 16 and other structures, and is matched with the production process of a die casting die to realize that the sheet metal insert 1 is embedded into the support die casting body 10 while die casting an aluminum alloy die casting, so that the purpose of increasing the bearing strength of the support die casting body 10 is realized.

As shown in fig. 5, in the production implementation process, after the fixed die 9 and the movable die 12 are clamped, the sliding block 7 is pushed into the die core through the oil cylinder 13, so that a die cavity in the shape of the bracket die casting body 10 is formed in the die cavity, molten aluminum is injected through the feed inlet 11, and the bracket die casting body 10 is finally formed after pressure maintaining and cooling.

The sheet metal insert 1 is added on the sliding block 7, the sheet metal insert 1 is fixed on the sliding block 7 before the sliding block 7 is pushed into the mold core, the sheet metal insert 1 needs to be guaranteed to fall off in the process of pushing the sliding block 7 into the mold cavity, and the position of the sheet metal insert 1 is located in the middle of the mold cavity after the sliding block 7 is pushed into the mold cavity.

The sheet metal insert 1 is structurally provided with 2 waist-shaped positioning holes 6, each waist-shaped positioning hole 6 is internally provided with 2 waist-shaped positioning hole fixing points 14, 4 waist-shaped positioning hole fixing points 14 are arranged, the sheet metal insert 1 is fixed on the sliding block 7 in a fixing mode of the 4 waist-shaped positioning hole fixing points 14, the sliding block 7 is provided with waist-shaped positioning pins 8, the waist-shaped positioning pins 8 are provided with fixing rabbets 17, the fixing rabbets 17 are propped against when the sheet metal insert 1 is placed, and the sheet metal insert 1 and the waist-shaped positioning pins 8 are matched in a clearance fit mode, so that the sheet metal insert is easy to place in the die casting production process without affecting the production rhythm.

The upper limit stop piece 3 and the lower limit stop piece 4 are arranged on the sheet metal insert 1, the effect is that after the sliding block 7 and the sheet metal insert 1 are pushed into the cavity, the position where the sheet metal insert 1 is placed before can have a little deviation, or the position of the sheet metal insert 1 on the sliding block 7 is slightly changed in the moving process of being pushed into the cavity, the upper limit stop piece 3 and the lower limit stop piece 4 respectively can prop against the upper surface and the lower surface of the die cavity, the position of the sheet metal insert 1 can prop back to the middle position of the die cavity, the sheet metal insert 1 is always positioned at the middle position of the wall thickness of the bracket die casting body 10, and the surface cannot be exposed.

Still be equipped with on the panel beating mold insert 1 and consolidate hole 2 and go up spacing piece 3, can see from the mould structure schematic diagram 7 that feed inlet 11 position is just in time in the intermediate position of panel beating mold insert 1, when the aluminium water is through panel beating mold insert 1 during the die casting, can receive the hindrance, influences the filling of terminal position, consequently offered an overflow port 5 in the intermediate position of panel beating mold insert 1, the aluminium water of being convenient for passes panel beating mold insert 1 when highly penetrating, is unlikely to change the flow direction and the speed of penetrating of aluminium water.

It is not enough to open only 1 overflow hole 5 in the intermediate position of panel beating mold insert 1, and the aluminium water passes through the surface of whole panel beating mold insert 1 through the die cavity, consequently has still seted up a plurality of evenly distributed's reinforcement hole 2 on the surface of panel beating mold insert 1, and its effect is similar with the effect of overflow hole 5, also is in order to let aluminium water pass through the surface of panel beating mold insert 1 smoothly.

The reinforcement hole 2 and the overflow hole 5 also have the effects that after the sheet metal insert 1 is inlaid into the support die casting body 10, the firmness between the sheet metal insert 1 and the support die casting body 10 is increased, if the surface of the sheet metal insert 1 is smooth and the support die casting body 10 is deformed under the action of external force, the sheet metal insert 1 inside the support die casting body 10 is dislocated inside the support die casting body 10 due to insufficient firmness with the support die casting body 10, the better reinforcement effect is not achieved, but the clamping of the reinforcement hole 2 and the overflow hole 5 is realized, so that the sheet metal insert 1 is better fused into the support die casting body 10, and the stress intensity of the support die casting body 10 can be greatly increased.

It should be noted that, in this application, the support die-casting body 10 is the support that is used for installing the camera, as shown in fig. 4, when using this support die-casting body 10 to install the camera, the rectangular base of support die-casting body 10 passes through the bolt fastening at the wall, the elbow of support die-casting body 10 is used for installing the camera, as shown in fig. 1, because the lower part atress of support die-casting body 10 is great, consequently, sheet metal mold insert 1 sets up in the lower part (as the position shown in fig. 1) of the rectangular base of support die-casting body 10, this application is only illustrated with the support die-casting body 10 that is used for processing installation camera, also can set up sheet metal mold insert 1 in the support in order to improve the intensity of support when processing other supports.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. A high strength support die casting of taking mold insert, its characterized in that: including panel beating mold insert (1), panel beating mold insert (1) include mold insert plane (1A) and mold insert side (1B), mold insert plane (1A) and mold insert side (1B) are integral type structure setting, the both sides of mold insert plane (1A) are provided with reinforcing hole (2), go up spacing piece (3), lower spacing piece (4) and waist type locating hole (6) that ends, the both sides of mold insert side (1B) are provided with reinforcing hole (2), the middle part of mold insert side (1B) is provided with overflow hole (5).

2. The insert-carrying high strength carrier die cast of claim 1, wherein: the waist-shaped locating hole (6) is provided with a waist-shaped locating hole fixing point (14) and a waist-shaped locating hole limiting stop piece (15).

3. The insert-carrying high strength carrier die cast of claim 1, wherein: and an overflow hole limiting stop piece (16) is arranged on the overflow hole (5).

4. The insert-carrying high strength carrier die cast of claim 1, wherein: the sheet metal insert (1) is positioned in a bracket die casting body (10) formed by processing a die.

5. The insert-carrying high strength carrier die cast of claim 4, wherein: the mold comprises a sliding block (7), a kidney-shaped locating pin (8), a fixed mold (9), a feed inlet (11), a movable mold (12) and an oil cylinder (13), wherein the sliding block (7), the fixed mold (9), the feed inlet (11) and the oil cylinder (13) are all arranged on the movable mold (12), the sliding block (7) is connected with a piston rod of the oil cylinder (13), and the kidney-shaped locating pin (8) is arranged on the sliding block (7).

6. The insert-carrying high strength carrier die cast of claim 5, wherein: the sheet metal insert (1) is mounted on the sliding block (7).

7. The insert-carrying high strength carrier die cast of claim 5, wherein: the waist-shaped locating pin (8) is positioned in the waist-shaped locating hole (6), and the waist-shaped locating pin (8) is in contact with a fixing point (14) of the waist-shaped locating hole.

8. The insert-carrying high strength carrier die cast of claim 4, wherein: the upper limit stop piece (3) and the lower limit stop piece (4) respectively prop against the upper surface and the lower surface of the die cavity.

9. The insert-carrying high strength carrier die cast of claim 2, wherein: the waist-shaped positioning hole limiting stop piece (15) is propped against the upper surface of the die cavity.

10. The insert-carrying high strength carrier die cast of claim 3, wherein: and the overflow hole limiting stop piece (16) is propped against the lower surface of the die cavity.