CN210280627U

CN210280627U - Semi-solid magnesium-aluminum alloy hollow thin-wall casting forming control mechanism

Info

Publication number: CN210280627U
Application number: CN201920723624.4U
Authority: CN
Inventors: 李小龙; 张欢德
Original assignee: Nanjing Nanchao Mould Equipment Co Ltd
Current assignee: Nanjing Nanchao Mould Equipment Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-10
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a semi-solid magnesium aluminum alloy hollow thin-wall casting forming control mechanism in the semi-solid metal manufacturing field, which comprises a bottom plate, a metal mold and a gas pressure pump, wherein the metal mold consists of a first mold and a second mold which are closed, four corners of the upper end of the bottom plate are provided with first supporting columns, a low-pressure reaction furnace is arranged at the middle position of the upper end of the bottom plate, a hydraulic cylinder is fixedly arranged at the upper end of the top plate, the lower end of the driving end of the hydraulic cylinder penetrates through the top plate and is fixedly connected with a hydraulic rod, the lower end of the hydraulic rod is fixedly connected with the first mold, the lower end of a connecting cylinder penetrates through a die-casting platform and is fixedly connected with the upper end of the low-pressure reaction furnace, one side of the upper end of the low-pressure reaction furnace is connected with a liquid inlet pipeline, the, the temperature of the alloy liquid is maintained in the whole process, and the die-casting effect of the final magnesium-aluminum alloy finished product is prevented from being influenced by premature cooling.

Description

Semi-solid magnesium-aluminum alloy hollow thin-wall casting forming control mechanism

Technical Field

The utility model relates to a half solid-state metal makes the field, specifically is a half solid-state magnalium cavity thin wall foundry goods shaping control mechanism.

Background

The magnesium-aluminum alloy is formed by adding other elements into magnesium as a base, and the main alloy elements comprise aluminum, zinc, manganese, cerium, thorium, a small amount of zirconium or cadmium and the like. The method is characterized in that: the aluminum alloy has the advantages of small density (about 1.8g/cm 3), high strength, large elastic modulus, good heat dissipation, good shock absorption, larger impact load bearing capacity than aluminum alloy, and good organic matter and alkali corrosion resistance.

Considering that the magnesium alloy has the advantages of small density, high strength, large elastic modulus, good heat dissipation, good shock absorption, larger impact load bearing capacity than aluminum alloy, good organic matter and alkali corrosion resistance and the like, the magnesium alloy is selected as the main casting material of the spaceflight cabin section, and the antigravity casting technology which has the characteristics of low casting cost, high casting efficiency, effectively improved casting quality and the like is used as an auxiliary material, so that the successful manufacture of the target product can be realized.

However, the existing magnesium-aluminum alloy has the following defects during die casting: the existing magnesium-aluminum alloy casting adopts the traditional die-casting process, the process level is backward, meanwhile, the melting point of the magnesium-aluminum alloy is low, the cooling speed is high, and particularly, the hollow thin-wall casting is difficult to form due to small flow per unit area, and the temperature of a heat-insulating structure is not maintained when molten metal is conveyed at low pressure after entering a low-pressure reaction furnace, so that the later die-casting forming effect of a die can be influenced.

Based on this, the utility model designs a half solid-state magnadure cavity thin wall foundry goods shaping control mechanism to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a half solid-state magnalium cavity thin wall foundry goods shaping control mechanism to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a semi-solid magnesium aluminum alloy hollow thin-wall casting forming control mechanism comprises a bottom plate, a metal mold and a gas pressure pump, wherein the metal mold is formed by closing a first mold and a second mold, first support columns are arranged at four corners of the upper end of the bottom plate, a low-pressure reaction furnace is arranged at the middle position of the upper end of the bottom plate, a die-casting platform is fixedly connected to the upper ends of the first support columns, second support columns are arranged at four corners of the upper end of the die-casting platform, a top plate is fixedly connected to the upper ends of the second support columns, a hydraulic cylinder is fixedly arranged at the upper end of the top plate, a hydraulic rod penetrates through the top plate at the lower end of a drive end of the hydraulic cylinder and is fixedly connected to the lower end of the hydraulic rod, the lower end of the first mold is butted with the second mold, a connecting cylinder is, the utility model discloses a low pressure reaction furnace, including low pressure reacting furnace, bottom plate, stirring rod, pressurizing pipeline, low pressure reacting furnace upper end one side is connected with the feed liquor pipeline, low pressure reacting furnace upper end opposite side is connected with the pressurizing pipeline, the gaseous force (forcing) pump of pressurizing pipeline connection, low pressure reacting furnace longitudinal rotation is provided with the pivot, the bottom plate lower extreme is provided with the motor, the pivot outside is provided with the puddler, low pressure reacting furnace both sides are provided with.

Preferably, the bottom plate lower extreme is fixed and is provided with the supporting leg, the supporting leg bottom is provided with the shock pad of rubber material, and a set of the supporting leg openly is provided with control platform, another group the supporting leg openly is provided with the process table.

Preferably, the connecting end of the liquid inlet pipeline and the low-pressure reaction furnace is provided with a sealing ring structure, and the liquid inlet pipeline is provided with a one-way valve.

Preferably, the model of the gas pressure pump is preferably STA series, a placing frame is arranged on the outer side of the gas pressure pump, and the gas pressure pump is fixedly connected with the outer side of the first support column through the placing frame.

Preferably, the motor is a servo motor, the power output end of the motor penetrates through the bottom plate and is fixedly connected with the lower end of the rotating shaft, and the upper end of the rotating shaft is rotatably connected with the top of the inner cavity of the low-pressure reaction furnace through a bearing.

Preferably, the upper end of the liquid lifting pipeline penetrates through the connecting cylinder and is communicated with the inner cavity of the metal mold, the outer side of the part, located in the inner cavity of the low-pressure reaction furnace, of the liquid lifting pipeline is connected with the side wall of the inner cavity of the low-pressure reaction furnace through a hoop, and the outer side of the part, located in the inner cavity of the connecting cylinder, of the liquid lifting pipeline is provided with an electric heating wire.

Preferably, the upper end of the injection pipeline is communicated with a feed pipe, and the feed pipe is provided with a valve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the utilization is carried alloy liquid to the low pressure reaction furnace in through valve control pipeline, the homogeneity that liquid distribution mixes is realized through the motor stirring, on the other hand, electric heating wire can pass through the high temperature in the liter liquid pipeline transmits to the reacting furnace, can guarantee the temperature maintenance of alloy liquid through the heat transfer during stirring, adjust the pressure in the reacting furnace through the gas force (forcing) pump, under the effect of pressure difference, metal liquid accomplishes the die-casting in the metal mold of upper end along the liter liquid pipeline transport, the temperature of alloy liquid is being maintained throughout to electric heating wire's heat transfer in the transportation, traditional die-casting technology is compared to whole set of technology more advanced, later stage magnalium finished product die-casting effect also promotes relatively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the low-pressure reactor and its connection structure shown in FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 101-supporting legs, 102-shock-absorbing pad, 103-control platform, 104-process meter, 2-first supporting column, 3-low-pressure reaction furnace, 4-die-casting platform, 5-second supporting column, 6-top plate, 7-hydraulic cylinder, 8-hydraulic rod, 9-first mould, 10-second mould, 11-connecting cylinder, 12-liquid inlet pipeline, 1201-one-way valve, 13-pressurizing pipeline, 14-gas pressurizing pump, 15-rotating shaft, 16-motor, 17-stirring rod, 18-liquid lifting pipeline, 1801-hoop and 1802-electric heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a semi-solid magnesium-aluminum alloy hollow thin-wall casting forming control mechanism comprises a bottom plate 1, a metal mold and a gas pressure pump 14, wherein the metal mold is formed by combining a first mold 9 and a second mold 10, four corners of the upper end of the bottom plate 1 are provided with first support columns 2, a low-pressure reaction furnace 3 is arranged at the middle position of the upper end of the bottom plate 1, the upper ends of the first support columns 2 are fixedly connected with a die-casting platform 4, four corners of the upper end of the die-casting platform 4 are provided with second support columns 5, the upper ends of the second support columns 5 are fixedly connected with a top plate 6, the upper end of the top plate 6 is fixedly provided with a hydraulic cylinder 7, the lower end of the driving end of the hydraulic cylinder 7 penetrates through the top plate 6 to be fixedly connected with a hydraulic rod 8, the lower end of the hydraulic rod 8 is fixedly connected with the first mold 9, the lower end of the first mold 9 is provided, one side of the upper end of the low-pressure reaction furnace 3 is connected with a liquid inlet pipeline 12, the other side of the upper end of the low-pressure reaction furnace 3 is connected with a pressurizing pipeline 13, the pressurizing pipeline 13 is connected with a gas pressurizing pump 14, the low-pressure reaction furnace 3 longitudinally rotates and is provided with a rotating shaft 15, the lower end of the bottom plate 1 is provided with a motor 16, the outer side of the rotating shaft 15 is provided with a stirring rod 17, and the two sides of the low-pressure reaction furnace 3 are.

Wherein, the fixed supporting leg 101 that is provided with of bottom plate 1 lower extreme, the supporting leg 101 bottom is provided with the shock pad 102 of rubber material, and a set of supporting leg 101 openly is provided with control platform 103, and another set of supporting leg 101 openly is provided with the process table. The connection end of the liquid inlet pipeline 12 and the low-pressure reaction furnace 3 is provided with a sealing ring structure, the liquid inlet pipeline 12 is provided with a one-way valve 1201, the inflow direction of alloy liquid is controlled, and meanwhile the whole air tightness is improved. The model of the gas pressurizing pump 14 is preferably STA series, a placing frame is arranged on the outer side of the gas pressurizing pump 14, and the gas pressurizing pump 14 is fixedly connected with the outer side of the first support column 2 through the placing frame. The motor 16 is a servo motor, the power output end of the motor 16 penetrates through the bottom plate 1 and is fixedly connected with the lower end of the rotating shaft 15, and the upper end of the rotating shaft 15 is rotatably connected with the top of the inner cavity of the low-pressure reaction furnace 3 through a bearing. The upper end of the liquid lifting pipeline 18 penetrates through the connecting cylinder 11 to be communicated with the inner cavity of the metal mold, the part of the outer side of the part of the liquid lifting pipeline 18 positioned in the inner cavity of the low-pressure reaction furnace 3 is connected with the side wall of the inner cavity of the low-pressure reaction furnace 3 through a clamp 1801, an electric heating wire 1802 is arranged on the part of the outer side of the liquid lifting pipeline 18 positioned in the inner cavity of the connecting cylinder 11, and the temperature of the metal liquid at the heat position is transferred.

The specific application of this embodiment is:

the utility model discloses a supporting leg 101 supports, the vibrations that produce when the reducible equipment operation of rubber material shock pad 102 of supporting leg 101 lower extreme, and the staff carries out the die-casting operation through the technology table 104 in the supporting leg 101 outside, and the component of operation in the controllable equipment of control platform 103 simultaneously, pneumatic cylinder 7, check valve 1201, gaseous force (forcing) pump 14, motor 16 and motor heater 1802.

The utility model discloses a check valve 1201 control inlet pipe 12 carries magnesium aluminium alloy to mix in the straight low pressure reacting furnace 3, and control switch on the simultaneous start control platform 103 starts electric heating wire 1802 and heats the lift liquid pipeline 18, and starter motor 16 adjusts suitable rotational speed and drives pivot 15 and puddler 17 and rotate, stirs the alloy liquid in the low pressure reacting furnace 3, also transmits the heat simultaneously, maintains the liquid temperature. The hydraulic cylinder 7 drives the hydraulic rod 8 to clamp the first die 9 and the second die 10, the gas pressure pump 14 is controlled to pressurize the low-pressure reaction furnace 3, the alloy solution is conveyed into the dies along the liquid lifting pipeline 18 under the action of pressure, and in the conveying process, the electric heating wire 1802 sends heat to the liquid lifting pipeline 18 to transmit the heat, so that the temperature of the alloy solution is always kept.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a semi-solid state magnalium cavity thin wall foundry goods shaping control mechanism, includes bottom plate (1), metal mold, gaseous force (forcing) pump (14), and metal mold comprises first mould (9) and second mould (10) compound die, its characterized in that: the upper end four corners of the bottom plate (1) are provided with first supporting columns (2), the middle position of the upper end of the bottom plate (1) is provided with a low-pressure reaction furnace (3), the upper ends of the first supporting columns (2) are fixedly connected with a die-casting platform (4), the upper ends of the die-casting platform (4) are provided with second supporting columns (5), the upper ends of the second supporting columns (5) are fixedly connected with a top plate (6), the upper end of the top plate (6) is fixedly provided with a hydraulic cylinder (7), the lower end of a driving end of the hydraulic cylinder (7) penetrates through the top plate (6) and is fixedly connected with a hydraulic rod (8), the lower end of the hydraulic rod (8) is fixedly connected with a first mold (9), the lower end of the first mold (9) is butted with a second mold (10), the lower end of the second mold (10) is fixedly connected with a connecting cylinder (11), and the lower, low-pressure batch reactor (3) upper end one side is connected with inlet channel (12), low-pressure batch reactor (3) upper end opposite side is connected with pressurization pipeline (13), gaseous force (forcing) pump (14) is connected in pressurization pipeline (13), low-pressure batch reactor (3) longitudinal rotation is provided with pivot (15), bottom plate (1) lower extreme is provided with motor (16), pivot (15) outside is provided with puddler (17), low-pressure batch reactor (3) both sides are provided with and rise liquid pipeline (18).

2. The forming control mechanism for the semi-solid magnesium-aluminum alloy hollow thin-wall casting according to claim 1, characterized in that: the bottom plate (1) lower extreme is fixed and is provided with supporting leg (101), supporting leg (101) bottom is provided with shock pad (102) of rubber material, and is a set of supporting leg (101) openly are provided with control platform (103), another group supporting leg (101) openly are provided with the process table.

3. The forming control mechanism for the semi-solid magnesium-aluminum alloy hollow thin-wall casting according to claim 1, characterized in that: the liquid inlet pipeline (12) and the low-pressure reaction furnace (3) are connected through a sealing ring structure, and the liquid inlet pipeline (12) is provided with a check valve (1201).

4. The forming control mechanism for the semi-solid magnesium-aluminum alloy hollow thin-wall casting according to claim 1, characterized in that: the outer side of the gas pressure pump (14) is provided with a placing frame, and the gas pressure pump (14) is fixedly connected with the outer side of the first support column (2) through the placing frame.

5. The forming control mechanism for the semi-solid magnesium-aluminum alloy hollow thin-wall casting according to claim 1, characterized in that: the motor (16) is a servo motor, the power output end of the motor (16) penetrates through the bottom plate (1) and the lower end of the rotating shaft (15) to be fixedly connected, and the upper end of the rotating shaft (15) is rotatably connected with the top of the inner cavity of the low-pressure reaction furnace (3) through a bearing.

6. The forming control mechanism for the semi-solid magnesium-aluminum alloy hollow thin-wall casting according to claim 1, characterized in that: the connecting cylinder (11) and the metal mold inner cavity are communicated in a penetrating mode at the upper end of the liquid lifting pipeline (18), the outer side of the part, located in the inner cavity of the low-pressure reaction furnace (3), of the liquid lifting pipeline (18) is connected with the inner cavity side wall of the low-pressure reaction furnace (3) through a hoop (1801), and electric heating wires (1802) are arranged on the outer side of the part, located in the inner cavity of the connecting cylinder (11), of the liquid lifting pipeline (18).