CN216828586U

CN216828586U - High-performance aluminum product die-casting equipment

Info

Publication number: CN216828586U
Application number: CN202220338247.4U
Authority: CN
Inventors: 郭守华
Original assignee: Ningbo Xinhao Aluminium Industry Co ltd
Current assignee: Ningbo Xinhao Aluminium Industry Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-28
Anticipated expiration: 2032-02-17

Abstract

The application discloses high performance aluminum product die-casting equipment, belong to metal processing equipment technical field, a material leakage phenomenon for eliminating die-casting equipment at the injection port, thereby reduce the surface defect of aluminum product spare, the whole aesthetic property of product has been improved, including the movable mould, cover half and heat preservation jar, the bottom swing joint of cover half has gag lever post and current-limiting awl, the current-limiting awl sinks in the recess of cover half inner bottom surface, the injection hole has been seted up to the bottom surface of cover half, the injection hole communicates with the inner bottom surface recess of cover half, the gag lever post passes the bottom of cover half, the movable mould is suitable for and the cover half cooperation, it is suitable for the mold cavity metal liquid of impressing between movable mould and the cover half to be provided with injection mechanism in the heat preservation jar. The utility model discloses a set up one for the die cavity bottom and put countercurrent structure for the molten metal of die cavity can not reveal after the die-casting is accomplished, has avoided the defect of die casting cooling shaping rear surface to leave over, has improved the product quality of die-casting fashioned aluminum alloy spare, has reduced the cost of extra one manufacturing procedure simultaneously.

Description

High-performance aluminum product die-casting equipment

Technical Field

The application relates to the technical field of metal processing equipment, in particular to high-performance aluminum product die-casting equipment.

Background

Many aluminum alloy parts have a relatively complex appearance and surface structure that can generally only be produced by die casting, which requires die casting equipment.

However, the existing die casting equipment for aluminum product parts has the following defects: for example, leakage is likely to occur at the injection port, which causes defects on the surface of the die-casting product after cooling and molding, or due to the fluidity of the leakage, protrusions which do not belong to the designed product are generated on the surface of the die-casting product, which greatly affects the aesthetic property of the aluminum product, and an additional process is required to eliminate the defects, but this way increases the production cost. In order to better solve the problems, a novel high-performance aluminum product die casting device is provided.

Disclosure of Invention

The application aims to eliminate the material leakage phenomenon of the die casting equipment at an injection port, so that the surface defects of aluminum products are reduced, and the overall attractiveness of products is improved.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: this high performance aluminum product die-casting equipment, including movable mould, cover half and heat preservation jar, the bottom swing joint of cover half has gag lever post and current-limiting awl, the current-limiting awl sinks in the recess of bottom surface in the cover half, the injection hole has been seted up to the bottom surface of cover half, the injection hole with the interior bottom surface recess intercommunication of cover half constitutes a structure that prevents against the current and reveal, the gag lever post passes the bottom of cover half, the movable mould be suitable for with the cover half cooperation, it is suitable for to impress the molten metal to the die cavity between movable mould and the cover half to be provided with injection mechanism in the heat preservation jar.

Preferably, the number of the injection holes is a plurality, the injection holes are arranged around the axis of the limiting rod at equal intervals, the lower surface of the fixed die is fixedly connected with a pipe connecting end, the pipe connecting end surrounds the injection holes, and the fixed die is fixedly connected with a gooseneck through the pipe connecting end and used for conveying high-temperature molten metal.

Preferably, a cylinder barrel is arranged inside the heat preservation cylinder, a guide hole is formed in the side face of the heat preservation cylinder, and the gooseneck penetrates through the guide hole to be fixedly connected with the bottom of the cylinder barrel and communicated with the inside of the cylinder barrel to form a metal liquid conveying passage.

Preferably, the heat preservation cylinder is provided with a heat insulation cavity, and the gooseneck penetrates through the heat insulation cavity to ensure the heat preservation capacity of the heat preservation cylinder.

Preferably, the upper surface of the heat preservation cylinder is fixedly connected with a mounting plate, the mounting plate is fixedly connected with a hydraulic cylinder, the axis of the hydraulic cylinder is opposite to the axis of the cylinder barrel, the movable end of the hydraulic cylinder points to the inside of the cylinder barrel and is fixedly connected with a piston, a metal liquid inlet hole communicated with the inner side face is formed in the outer side face of the cylinder barrel, and metal liquid in the heat preservation cylinder can naturally enter the cylinder barrel conveniently.

Preferably, the upper surface of the heat preservation cylinder is fixedly connected with a configuration frame, the configuration frame is fixedly connected with a telescopic rod, and the movable end of the telescopic rod is fixedly connected with the upper surface of the movable mold and used for driving the movable mold to realize the mold opening and closing action.

Preferably, the upper surface of the movable mold is fixedly connected with an air cylinder, the movable end of the air cylinder extends towards the inside of the movable mold and is fixedly connected with a demolding push rod, and the lower surface of the fixed mold is fixedly connected with a support for fixing the fixed mold.

Preferably, the upper end of the limiting rod is provided with an upper limiting ring, the lower end of the limiting rod is provided with a lower limiting ring, a sliding groove is formed in the flow limiting cone, the upper limiting ring is located in the sliding groove, and the lower limiting ring is located in the pipe connection end of the fixed die below the fixed die, so that a pipeline can be conveniently connected.

Compared with the prior art, the beneficial effect of this application lies in:

(1) by arranging the counter-flow releasing structure at the bottom of the die cavity, molten metal in the die cavity cannot leak after die casting is finished, the defect of the surface of a die casting after cooling forming is avoided, the product quality of the die-cast aluminum alloy part is improved, and the cost of an additional processing procedure is reduced;

(2) through the injection hole of the vertical direction of design, the metal liquid can rely on self gravity to overcome atmospheric pressure better and realize the backward flow after the die-casting action is ended, has avoided the metal liquid to cool off solidification and block up the injection hole and influence subsequent production in injection hole department, has promoted the job stabilization nature and the reliability of equipment.

Drawings

FIG. 1 is a schematic view of the overall structure of the high-performance aluminum product die-casting apparatus;

FIG. 2 is an enlarged view of a portion of the high performance aluminum product die casting apparatus at A in FIG. 1;

FIG. 3 is a sectional view showing the internal structure of the heat-retaining cylinder of the high-performance aluminum die-casting apparatus;

fig. 4 is a partially enlarged view at B of fig. 3 of the high performance aluminum product die casting apparatus;

FIG. 5 is a perspective view of a mating die of the high performance aluminum product die casting apparatus;

fig. 6 is a partially enlarged view at C of fig. 5 of the high performance aluminum product die casting apparatus;

fig. 7 is a plan sectional view of a mating mold of the high-performance aluminum product die-casting apparatus;

fig. 8 is a partially enlarged view at D of fig. 7 of the high performance aluminum product die casting apparatus;

fig. 9 is a partially enlarged view at E of fig. 7 of the high performance aluminum product die casting apparatus;

fig. 10 is a three-dimensional cross-sectional view of the matching relationship between the limiting rod and the flow limiting cone of the high-performance aluminum product die-casting equipment.

In the figure: 1. moving the mold; 2. fixing a mold; 201. a pipe connection end; 202. an injection hole; 3. a support; 4. a telescopic rod; 5. a configuration rack; 6. a heat preservation cylinder; 601. a thermally insulating cavity; 602. a cylinder barrel; 603. a molten metal inlet hole; 604. a lead-out hole; 7. mounting a plate; 8. a hydraulic cylinder; 801. a piston; 9. a cylinder; 901. demoulding push rods; 10. a gooseneck; 11. a limiting rod; 111. an upper limiting ring; 112. a lower retainer ring; 12. a flow limiting cone; 121. a chute.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The high-performance aluminum product die-casting equipment shown in fig. 1-10 comprises a moving die 1, a fixed die 2 and a heat preservation cylinder 6, wherein the bottom of the fixed die 2 is movably connected with a limiting rod 11 and a limiting cone 12 to form a flow limiting structure of a die cavity, the upper end of the limiting rod 11 is provided with an upper limiting ring 111, the lower end of the limiting rod is provided with a lower limiting ring 112, the inside of the limiting cone 12 is provided with a sliding chute 121, the upper limiting ring 111 is positioned in the sliding chute 121, the limiting cone 12 can move in a certain range relative to the limiting rod 11, the lower limiting ring 112 is positioned in a fixed die 2 pipe connecting end 201 below the fixed die 2 and is used for limiting the maximum height of the limiting cone 12 relative to the bottom of the fixed die 2 and preventing the limiting cone 12 from separating from the fixed die 2, the limiting cone 12 sinks into a groove on the inner bottom surface of the fixed die 2, the fixed die 2 and the groove can be tightly attached to effectively prevent molten metal in the die cavity from leaking, so that the surface of an aluminum product formed by cooling cannot have defects, the unfinished bulges can be greatly reduced, the attractiveness of the aluminum product after die-casting forming is improved, the bottom surface of the fixed die 2 is provided with the injection hole 202, the injection hole 202 is communicated with the inner bottom surface groove of the fixed die 2, when the metal pressure in the injection hole 202 is higher than the pressure of the flow limiting cone 12, the metal liquid flows into the die cavity, when the metal pressure in the injection hole 202 is equal to or lower than the pressure of the flow limiting cone 12, the flow limiting cone 12 can block the injection hole 202, when the metal pressure is lower than the self weight of the metal liquid, the metal liquid can leave the injection hole 202, the metal liquid can be effectively prevented from being cooled to block the injection hole 202, the number of the injection holes 202 is a plurality, the injection holes 202 are arranged equidistantly around the axis of the limiting rod 11, the metal liquid can conveniently and uniformly and quickly enter the die cavity, the lower surface of the fixed die 2 is fixedly connected with the pipe connection end 201, the pipe connection end 201 surrounds the injection hole 202, the fixed die 2 is fixedly connected with the gooseneck pipe 10 through the pipe connection end, the metal liquid is made of high-temperature-resistant metal or ceramic and used for conveying high-temperature metal liquid.

The limiting rod 11 penetrates through the bottom of the fixed die 2, the movable die 1 is suitable for being matched with the fixed die 2, a die cavity is formed between opposite side surfaces, an injection mechanism is arranged in the heat preservation cylinder 6 and is suitable for pressing molten metal into the die cavity between the movable die 1 and the fixed die 2, a cylinder barrel 602 is arranged in the heat preservation cylinder 6, a guide hole 604 is formed in the side surface of the heat preservation cylinder 6, the gooseneck pipe 10 penetrates through the guide hole 604 to be fixedly connected with the bottom of the cylinder barrel 602 and communicated with the interior of the cylinder barrel 602, the metal liquid is convenient to convect in the cylinder barrel 602 and the gooseneck pipe 10, the heat preservation cylinder 6 is provided with a heat insulation cavity 601 for reducing heat dissipation of the heat preservation cylinder 6, the gooseneck pipe 10 penetrates through the heat insulation cavity 601, the upper surface of the heat preservation cylinder 6 is fixedly connected with a mounting plate 7, a hydraulic cylinder 8 is fixedly connected to the mounting plate 7, the axis of the hydraulic cylinder 8 is aligned with the axis of the cylinder barrel 602, the movable end of the hydraulic cylinder 8 points to the interior of the cylinder barrel 602 and is fixedly connected with a piston 801, the piston 801 is driven by the hydraulic cylinder 8 to pressurize the molten metal, the outer side surface of the cylinder 602 is provided with a molten metal inlet hole 603 communicated with the inner side surface, and when the height of the piston 801 exceeds the molten metal inlet hole 603, the high-temperature molten metal in the heat-preserving cylinder 6 naturally flows into the cylinder 602.

The upper surface of heat preservation jar 6 is fixedly connected with configuration frame 5 still, fixedly connected with telescopic link 4 on configuration frame 5, the expansion end of telescopic link 4 and the last fixed surface of movable mould 1 are connected, be used for driving movable mould 1 to realize opening and shutting the mould action, the last fixed surface of movable mould 1 is connected with cylinder 9, be used for driving drawing of patterns push rod 901, the expansion end of cylinder 9 extends and fixedly connected with drawing of patterns push rod 901 to the inside of movable mould 1, realize the automatic drawing of patterns function of die casting, the lower fixed surface of cover half 2 is connected with support 3, be used for fixing cover half 2 on ground.

The working principle of the high-performance aluminum product die-casting equipment is as follows: when the movable mold is used, the movable mold 1 is matched with the fixed mold 2 under the driving of the telescopic rod 4, the heat preservation cylinder 6 is filled with molten metal, the hydraulic cylinder 8 retracts the piston 801 to be higher than the side surface of the cylinder barrel 602 by a certain height, the molten metal enters the cylinder barrel 602 under the action of self gravity until the inner liquid level and the outer liquid level of the cylinder barrel 602 are flush, the hydraulic cylinder 8 is started again to push the piston 801 to press the metal in the cylinder barrel 602 into the gooseneck pipe 10, the metal liquid in the gooseneck pipe 10 is higher than the pressure of the flow limiting cone 12, the metal liquid enters a mold cavity between the movable mold 1 and the fixed mold 2 through the injection hole 202, the limiting rod 11 can limit the maximum height of the flow limiting cone 12 in the process, when the mold cavity is not filled with the metal liquid, air in the mold cavity can escape to the outside of the mold cavity through the parting surface, when the mold cavity is filled with the metal liquid, the density of the metal liquid is higher, the metal liquid is difficult to overflow from the parting surface, the pressure in the die cavity is suddenly increased, the molten metal can not enter the die cavity through the injection hole 202, the hydraulic cylinder 8 can release pressure and drive the piston 801 to retract, the hydraulic pressure in the gooseneck 10 is suddenly reduced in the retraction process, the molten metal in the injection hole 202 overcomes the atmospheric pressure to flow back downwards under the action of the self weight, the support of the hydraulic pressure is lost, the sink at the bottom of the fixed die 2 is blocked by the flow limiting cone 12 under the combined action of the self gravity and the upper molten metal pressure, the molten metal in the die cavity can not be leaked, the molten metal can be cooled and hardened to form an aluminum alloy part with a certain shape after standing for a period of time, after the telescopic rod 4 is started to lift the movable die 1 and the fixed die 2 to be separated to a certain height, the air cylinder 9 is started again to push the movable die casting part away from the fixed die 2, the production of the die casting can be continued according to the operation, and the produced die casting has no molten metal leakage, therefore, the surface has no defects or excessive bulges, the whole die-casting die is smooth and more attractive.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a high performance aluminum product die-casting equipment, includes movable mould, cover half and heat preservation jar, its characterized in that: the bottom swing joint of cover half has gag lever post and current-limiting awl, the current-limiting awl sinks in the recess of cover half inner bottom surface, the injection hole has been seted up to the bottom surface of cover half, the injection hole with the inner bottom surface recess intercommunication of cover half, the gag lever post passes the bottom of cover half, the movable mould be suitable for with the cover half cooperation, it is suitable for the molten metal of impressing to the die cavity between movable mould and the cover half to be provided with injection mechanism in the heat preservation jar.

2. The high performance aluminum product die casting apparatus according to claim 1, wherein: the number of the injection holes is a plurality, the injection holes are distributed around the axis of the limiting rod at equal intervals, the lower surface of the fixed die is fixedly connected with a tube connecting end, the tube connecting end surrounds the injection holes, and the fixed die is fixedly connected with a gooseneck through the tube connecting end.

3. The high performance aluminum product die casting apparatus as recited in claim 2, wherein: the inside of heat preservation jar is provided with the cylinder, the lateral surface of heat preservation jar has seted up the derivation hole, the gooseneck passes derivation hole and the bottom fixed connection of cylinder and the inside intercommunication of cylinder.

4. The high performance aluminum product die casting apparatus according to claim 3, wherein: the heat preservation cylinder is provided with a heat insulation cavity, and the gooseneck passes through the heat insulation cavity.

5. The high performance aluminum product die casting apparatus according to claim 3, wherein: the last fixedly connected with mounting panel of heat preservation jar, fixedly connected with pneumatic cylinder on the mounting panel, the axis of pneumatic cylinder and the axis of cylinder are to it, the inside and the fixedly connected with piston of the directional cylinder of expansion end of pneumatic cylinder, the lateral surface of cylinder is seted up the metal liquid manhole with the medial surface intercommunication.

6. The high performance aluminum product die casting apparatus according to claim 1, wherein: the upper surface of the heat preservation cylinder is fixedly connected with a configuration frame, the configuration frame is fixedly connected with a telescopic rod, and the movable end of the telescopic rod is fixedly connected with the upper surface of the movable mold.

7. The high performance aluminum product die casting apparatus according to claim 1, wherein: the upper surface fixedly connected with cylinder of movable mould, the expansion end of cylinder to the inside extension of movable mould and fixedly connected with drawing of patterns push rod, the lower fixed surface of cover half is connected with the support.

8. The high performance aluminum product die casting apparatus according to claim 2, wherein: the upper end of the limiting rod is provided with an upper limiting ring, the lower end of the limiting rod is provided with a lower limiting ring, a sliding groove is formed in the flow limiting cone, the upper limiting ring is located in the sliding groove, and the lower limiting ring is located in the pipe connection end of the fixed die below the fixed die.