Aluminum die-casting upper cover forming device

Abstract

The utility model relates to the technical field of die-casting, and discloses an aluminum die-casting upper cover forming device which comprises a mold core, a female die and a demolding assembly, two cylindrical cavities and two jet flow grooves are formed in the female die, the demolding assembly comprises two piston rods, a sealing end plate is fixed to one end of each piston rod, and the piston rods are located in the cylindrical cavities and are in clearance fit with the cylindrical cavities. The sealing end plate fills a cavity of the whole jet flow groove and is in clearance fit with the jet flow groove, the piston rod and the sealing end plate are each provided with an air guide groove, and air outlet holes communicated with the air guide grooves are formed in the circumferential side face of the sealing end plate. And by arranging the demolding assembly, the cylindrical cavity and the jet flow groove, a cast workpiece can be automatically demolded, a demolding agent can be automatically sprayed, the labor cost is saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting, and more specifically to an aluminum die casting upper cover forming device. Background Art

[0002] Aluminum alloy die-casting products are mainly used in electronics, automobiles, motors, home appliances and some communications industries. Some high-performance, high-precision, high-toughness high-quality aluminum alloy products are also used in large aircraft, ships and other industries with relatively high requirements. The main use is still in the parts of some equipment.

[0003] In the production process of aluminum alloy die-castings, the existing practice is usually to manually pick up the die-cast aluminum alloy workpieces with clamps. The die-cast aluminum alloy workpieces are at a relatively high temperature. If the aluminum workpieces are taken out after cooling down, a long time will be wasted, and the corresponding work efficiency will be relatively low. If the workpieces are taken out immediately, it is possible that the staff will be scalded by the aluminum workpieces in the process of taking the workpieces with clamps and other items, which poses a safety hazard. At the same time, the use of clamping tools such as clamps is very likely to cause scratches on the workpiece surface, affecting the quality of the workpiece. Therefore, a die-casting molding device that can realize automatic demolding of the workpiece is extremely needed in the die-casting production process. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an aluminum die-casting upper cover forming device, which has the advantages of automatically demoulding the cast workpiece and automatically spraying a demoulding agent, thereby saving labor costs and improving work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum die-casting upper cover forming device, comprising a base, two support plates are fixed to the upper surface of the base, one side of the two support plates is respectively provided with a core and a die, a demolding assembly is fixed to one side of the die, and two cylindrical cavities and two jet grooves are opened in the die, the demolding assembly comprises two piston rods, one end of the piston rod is fixed with a sealing end plate, the piston rod is located in the cylindrical cavity and cooperates with the gap of the cylindrical cavity, the sealing end plate fills the entire cavity of the jet groove and cooperates with the gap of the jet groove, the piston rod and the sealing end plate are both provided with an air guide groove, and the peripheral side of the sealing end plate is provided with an air outlet hole that penetrates the air guide groove.

[0006] As a preferred technical solution of the utility model, the demoulding assembly also includes a support plate, which is fixed on one side of the support plate and has a hydraulic rod embedded and fixed on it. A vertical plate is fixed on the output end of the hydraulic rod, and one end of the two piston rods is fixed on the vertical plate.

[0007] As a preferred technical solution of the utility model, the air guide grooves in the two piston rods are connected by a connecting pipe, an air pump is fixed on the top of the support plate, the output end of the air pump is fixedly connected to an air intake pipe, and the air intake pipe is connected to the air guide groove in a piston rod through a connector.

[0008] As a preferred technical solution of the utility model, one side of the concave mold is fixedly connected to a high-pressure injection tube, and a pouring cup is fixed on the high-pressure injection tube.

[0009] As an optimal technical solution of the utility model, a guide rod is fixed on one side of the core, one end of the guide rod slides through the support plate, a hydraulic device is fixed on the support plate, and the output end of the hydraulic device is fixed on one side of the core.

[0010] As a preferred technical solution of the utility model, a top plate is fixed to the top of the support plate, an electric telescopic rod is fixed through the lower surface of the top plate, a spraying device for spraying a release agent is fixed to the output end of the electric telescopic rod, and a plurality of nozzles are installed on both sides of the spraying device.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides a demoulding component, a cylindrical cavity and a jet groove. During the die-casting process of the core and the die, the sealing end plate is filled in the jet groove to avoid overflow during the die-casting process. After the die-casting is completed, the core and the die are separated, and the workpiece is retained in the die. At this time, the piston rod and the sealing end plate retract inward until the sealing end plate retracts to the cylindrical cavity. At this time, the air flow enters the jet groove through the air guide groove and the air outlet hole. Through the action of air pressure, the workpiece retained in the die is ejected, thereby realizing the automatic demoulding function of the device.

[0013] 2. The utility model provides an electric telescopic rod and a spraying device. The electric telescopic rod drives the spraying device to move between the core and the die. The nozzles on both sides of the spraying device spray the release agent on the core and the die respectively, thereby avoiding manual operation and saving labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the concave mold of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the demoulding component of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the enlarged portion A of the utility model;

[0018] Figure 5 It is a partial cross-sectional view of the piston rod of the utility model.

[0019] In the figure: 1. base; 2. support plate; 3. top plate; 4. core; 5. die; 6. high-pressure injection tube; 7. pouring cup; 8. demoulding assembly; 801. support plate; 802. vertical plate; 803. hydraulic rod; 804. air pump; 805. air inlet pipe; 806. connecting pipe; 807. piston rod; 808. sealing end plate; 809. connector; 810. air guide groove; 811. air outlet; 9. electric telescopic rod; 10. spraying device; 11. guide rod; 12. hydraulic device; 13. cylindrical cavity; 14. jet groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 5 As shown, the utility model provides an aluminum die-casting upper cover forming device, including a base 1, two support plates 2 are fixed on the upper surface of the base 1, one side of the two support plates 2 is respectively provided with a core 4 and a die 5, the core 4 and the die 5 form a die-casting cavity, a demoulding assembly 8 is fixed on one side of the die 5, and two cylindrical cavities 13 and two jet grooves 14 are opened in the die 5, the cylindrical cavity 13 and the jet groove 14 are connected, and the demoulding assembly 8 includes two piston rods 807, one end of the piston rod 807 A sealing end plate 808 is fixed, the piston rod 807 is located in the cylindrical cavity 13 and has a clearance with the cylindrical cavity 13, the sealing end plate 808 fills the entire chamber of the jet groove 14 and has a clearance with the jet groove 14, the piston rod 807 and the sealing end plate 808 are both provided with an air guide groove 810, and an air outlet hole 811 that is connected to the air guide groove 810 is provided on the side surface of the sealing end plate 808, and gas is injected into the jet groove 14 through the air guide groove 810 and the air outlet hole 811.

[0022] Among them, the demoulding component 8 also includes a support plate 801, which is fixed on one side of the support plate 2, and a hydraulic rod 803 is embedded and fixed on the support plate 801. The output end of the hydraulic rod 803 is fixed with a vertical plate 802, and one end of the two piston rods 807 are fixed on the vertical plate 802.

[0023] The vertical plate 802 is driven to move by the hydraulic rod 803 , thereby driving the two piston rods 807 to slide in the air guide groove 810 .

[0024] Among them, the air guide grooves 810 in the two piston rods 807 are connected through a connecting pipe 806, an air pump 804 is fixed on the top of the support plate 801, and the output end of the air pump 804 is fixedly connected to an air intake pipe 805, and the air intake pipe 805 is connected to the air guide groove 810 in a piston rod 807 through a connector 809.

[0025] The filtered air can be injected into the air guide groove 810 through the air inlet pipe 805 , and the air guide grooves 810 in the two piston rods 807 can be connected together through the connecting pipe 806 .

[0026] One side of the die 5 is fixedly connected to a high-pressure injection tube 6 , on which a pouring cup 7 is fixed.

[0027] The molten aluminum alloy solution is received by the pouring cup 7, and the high-pressure injection tube 6 injects the metal solution into the mold cavity.

[0028] A guide rod 11 is fixed to one side of the core 4 , one end of the guide rod 11 slides through the support plate 2 , a hydraulic device 12 is fixed to the support plate 2 , and an output end of the hydraulic device 12 is fixed to one side of the core 4 .

[0029] The hydraulic device 12 pushes the core 4 to move toward the die 5 , and the setting of the guide rod 11 enables the core 4 to move stably, thereby enhancing the overall stability of the structure.

[0030] Among them, a top plate 3 is fixed to the top of the support plate 2, an electric telescopic rod 9 is fixed through the lower surface of the top plate 3, a spraying device 10 for spraying a release agent is fixed to the output end of the electric telescopic rod 9, and a plurality of nozzles are installed on both sides of the spraying device 10.

[0031] The spraying device 10 is driven by the electric telescopic rod 9 to move between the core 4 and the die 5, and the nozzles on both sides of the spraying device 10 spray the release agent on the core 4 and the die 5 respectively, avoiding manual operation and saving labor costs.

[0032] The working principle and use process of this utility model:

[0033] When in use, the hydraulic device 12 pushes the core 4 to approach the die 5, so that the core 4 and the die 5 form a die-casting cavity, and the molten aluminum alloy solution is injected into the pouring cup 7, and the high-pressure injection tube 6 injects the metal solution into the cavity. During this period, the hydraulic rod 803 pushes the vertical plate 802, so that the piston rod 807 and the sealing end plate 808 are filled in the cylindrical cavity 13 and the jet groove 14 respectively; after the die-casting is completed, the core 4 and the die 5 are separated, and the workpiece is retained in the die 5, the hydraulic rod 803 contracts to pull the vertical plate 802, the piston rod 807 slides in the cylindrical cavity 13, and the sealing end plate 808 slides in the jet groove 14 until the sealing end plate 808 shrinks. Return to the cylindrical cavity 13, then the air pump 804 injects filtered gas into the air inlet pipe 805, the air flows through the connector 809 and the connecting pipe 806 into the air guide groove 810 of the two piston rods 807, and enters the jet groove 14 through the air outlet 811, and the workpiece retained in the die 5 is ejected by the air pressure, realizing the automatic demoulding function of the device. After completion, the piston rod 807 and the sealing end plate 808 are reset to the initial position, and the electric telescopic rod 9 drives the spraying device 10 to move between the core 4 and the die 5, and the nozzles on both sides of the spraying device 10 spray the demoulding agent on the core 4 and the die 5 respectively, avoiding manual operation and saving labor costs.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum die-casting upper cover forming device, comprising a base (1), two support plates (2) are fixed on the upper surface of the base (1), and a core (4) and a die (5) are respectively provided on one side of the two support plates (2), characterized in that: A demoulding assembly (8) is fixed on one side of the concave mold (5), and two cylindrical cavities (13) and two jet grooves (14) are provided in the concave mold (5). The demoulding assembly (8) comprises two piston rods (807), and a sealing end plate (808) is fixed on one end of the piston rod (807). The piston rod (807) is located in the cylindrical cavity (13) and is clearance-matched with the cylindrical cavity (13). The sealing end plate (808) fills the entire cavity of the jet groove (14) and is clearance-matched with the jet groove (14). The piston rod (807) and the sealing end plate (808) are both provided with air guide grooves (810), and the sealing end plate (808) is provided with air outlet holes (811) that are connected with the air guide grooves (810) on the peripheral side.

2. The aluminum die-casting upper cover forming device according to claim 1, characterized in that: The demoulding assembly (8) further comprises a support plate (801), wherein the support plate (801) is fixed to one side of the support plate (2), and a hydraulic rod (803) is embedded and fixed on the support plate (801), a vertical plate (802) is fixed to the output end of the hydraulic rod (803), and one end of each of the two piston rods (807) is fixed to the vertical plate (802).

3. The aluminum die-casting upper cover forming device according to claim 2, characterized in that: The air guide grooves (810) in the two piston rods (807) are connected via a connecting pipe (806); an air pump (804) is fixed on the top of the support plate (801); an output end of the air pump (804) is fixedly connected to an air intake pipe (805); and the air intake pipe (805) is connected to the air guide groove (810) in one piston rod (807) via a connector (809).

4. The aluminum die-casting upper cover forming device according to claim 1, characterized in that: One side of the concave mold (5) is fixedly connected to a high-pressure injection tube (6), and a pouring cup (7) is fixed on the high-pressure injection tube (6).

5. The aluminum die-casting upper cover forming device according to claim 1, characterized in that: A guide rod (11) is fixed on one side of the core (4), one end of the guide rod (11) slides through the support plate (2), a hydraulic device (12) is fixed on the support plate (2), and an output end of the hydraulic device (12) is fixed on one side of the core (4).

6. The aluminum die-casting upper cover forming device according to claim 1, characterized in that: A top plate (3) is fixed to the top of the support plate (2), an electric telescopic rod (9) is fixed through the lower surface of the top plate (3), a spraying device (10) for spraying a demoulding agent is fixed to the output end of the electric telescopic rod (9), and a plurality of spray heads are installed on both sides of the spraying device (10).

Images