CN1377748A

CN1377748A - Method and device for producing aluminum felly

Info

Publication number: CN1377748A
Application number: CN 01110271
Authority: CN
Inventors: 蓝具昆; 蓝永良; 蔡旭辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-04-05
Filing date: 2001-04-05
Publication date: 2002-11-06

Abstract

The present invention relates to a method and equipment of producing aluminium feely. The mold cavity of connected with one material feeding pipe with one movable plunger inside it, and the material feeding pipe is connected to a material conveying pipe in other end. Molten aluminium is fed fast to the material feeding pipe and other cavity and after the mold cavity is 70% filled, the plunger inside the material feeding pie is moved to close the material conveying pipe. After the molten aluminium is semi-solidified, the plugner is further moved and certain pressure is applied to make the aluminium material filled into the mold cavity completely. The feely is produced in low speed and high pressure mode.

Description

The manufacture method of aluminium wheel rim and implement the device of this method

The present invention is a kind of manufacture method of aluminium wheel rim and the device of implementing this method, be to belong to be used on the vertical die-casting machine to make the category of aluminium alloy or magnesium alloy wheel rim, the wheel rim that manufactures has characteristics such as the fine and closely woven and intensity of material is good, and according to needing and heat-treating.

Press, the manufacture of at present traditional aluminium alloy aluminium wheel rim, normally utilize the die casting machine of horizontal type to be finished, in die casting machine, be provided with set of molds, its die cavity is connected with the feed member, after aluminum solutions enters feeder, utilize the eruption mode of " high velocity, low pressure " that liquid aluminium solution directly is filled in the die cavity again, finish through die casting and finished product cooling back so that the finished product of taking-up wheel rim; Since aforementioned aluminum solutions is packed into die cavity after, liquid aluminum solutions is to lower the temperature to solidify in die cavity, therefore, in process of setting, aluminum solutions is frozen into and solid-stately will produces the depression of shrinking, and the finished product of institute's moulding this moment is not subjected to any pressure effect in solidifying, make that its inner material structure is very loose, even be formed with extremely many bubbles in finished product.

Therefore, by the made aluminium wheel rim of traditional manufacture method, will be owing in process of setting, there being the shrink situation to produce, therefore, in the design of mould die cavity, promptly must consider to be reserved with certain space to hold more aluminum solutions, so that aluminum solutions can be filled up into complete wheel rim with the aluminum solutions of this one when solidifying shrink, so, not only in the manufacturing of mould die cavity, very bother time-consumingly, and must process to remove clout at its appearance separately again when making the wheel rim finish; Right because the material structure of this kind wheel rim inside is comparatively loose and include more pore, and when carrying out the Surface Machining processing, each pore promptly is presented in the surface, make that the Surface Machining processing is comparatively difficult and expend time cost; Owing to the very loose and many pores of its material structure, not only integral intensity is not good, and when heat-treating, will make and organize more alligatoring, even can't carry out necessary shortcomings such as heat treatment operation in addition.

The objective of the invention is to, a kind of manufacture method of aluminium wheel rim is provided and implements the device of this method, it can solve the aforementioned prior art manufacturing problem that aluminium wheel rim produced, it is comparatively fine and closely woven that the present invention can make the wheel rim of being produced all have a material, have preferable intensity, the surface is comparatively level and smooth and can reduce the advantages such as processing of waste material.

For reaching aforesaid goal of the invention, the present invention is reached by following technological means, and wherein method for making is to be:

Utilize carrier pipe to be delivered to aluminum solutions in the die cavity of carrier tube and moulding with quick feed-type;

The inlet amount for the treatment of aluminum solutions is about 60 of the whole space of die cavity～70% o'clock, and the outlet with the sealing carrier pipe stops feed;

The aluminum solutions of position in carrier tube and die cavity be after after a while, is aqueous aluminum solutions and will be condensed into and partly solidifies shape;

Can utilize the aluminium material of Driven by Hydraulic Cylinder plunger, send in the die cavity in the mode of low speed heavy pressure with half curdled appearance in the carrier tube of position;

The position after cooling, can manufacture the very fine and closely woven wheel rim finished product of material at the aluminium material of die cavity inside.

Take turns the technological means of circle manufacturing method for implementing this in addition, its mechanism is designed to, in vertical die-casting machine, be provided with carrier tube below the set set of molds, one end of this carrier tube communicates with die cavity, the sidewall of holding proximal head in addition of carrier tube is connected with the carrier pipe that communicates, the carrier pipe that is connected with pump is provided with heat-insulation layer in the outside, can plant into a plunger by Driven by Hydraulic Cylinder is arranged in the termination in addition of carrier tube again, this plunger that can move in carrier tube can utilize the outlet of its head sealing carrier pipe, and the aluminum solutions (material) that will send in the carrier tube refills in die cavity.

The aforementioned device of taking turns circle manufacturing method of described enforcement, wherein the outside of carrier tube can be provided with sleeve pipe.

The device of the aforementioned aluminium wheel rim manufacture method of described enforcement, wherein the end position is in the tank of ccontaining aluminum solutions in addition for carrier pipe, and this tank outside is provided with heating unit and is coated with heat-insulation layer, is distributed with several temperature detection rods in addition in tank.

The electric heating feeding unit that provides heating unit to be connected with the outside power supply that provides wherein is provided in the heat-insulation layer outside device of the aforementioned aluminium wheel rim manufacture method of described enforcement.

For making the auditor can understand manufacture method of the present invention really, and other goal of the invention and effect, below enumerate a specific embodiment now, and conjunction with figs. is described in detail as follows, wherein:

Fig. 1 is a manufacturing flow chart of the present invention.

Fig. 2 is an aluminium wheel rim manufacturing installation schematic diagram of the present invention.

Fig. 3 is a feeding configuration schematic diagram of the present invention.

Fig. 4 is an aluminum solutions charging schematic diagram of the present invention.

Fig. 5 is a schematic diagram in another aluminum solutions charging of the present invention.

Fig. 6 is that aluminium material of the present invention is filled in the die cavity schematic diagram.

Referring to Fig. 2 and shown in Figure 3, be the structure configuration of implementing manufacturing wheel rim method of the present invention, the present invention can be used in the material of " aluminium alloy " or " magnesium alloy ", for being convenient to description of contents, below only describes for a kind of embodiment wherein with " aluminium alloy ".

Structure of the present invention is to dispose molten aluminium stove 20 and vertical die-casting machine 30 on pedestal 10 side by side, should aluminum feedstock can be aqueous through the high temperature heating by molten aluminium stove 20, molten aluminium stove 20 is formed with the tank 21 of a concavity, its outer ring (for example: heating) and be coated with heat-insulation layer 23 is provided with heating unit, so that insulation effect to be provided, in tank 21, be distributed with several the detector bars 22 that can detect the aluminum solutions temperature again, the aforementioned outside in molten aluminium stove 20 is provided with power-supply unit 24, to provide heating unit needed power supply.

The aluminum solutions position is in molten aluminium stove 20 tanks 21 after heating, one end of tank 21 can be provided with carrier pipe 40 and can utilize its pump 42 that aqueous aluminium material is sent, be provided with set of molds 31 in vertical die-casting machine 30 stage casings, be formed with the die cavity 32 of making wheel rim in the set of molds 31, and the bottom of mould is connected with carrier tube 33, carrier tube 33 is to communicate with die cavity 32 and its outside is coated with pipe box 34, carrier tube 33 is connected with the outlet 43 of aforesaid carrier pipe 40 other ends to communicate near the pipe side place of other end again, set of molds 31 belows are provided with hydraulic cylinder 52 in addition, the plunger 50 that this hydraulic cylinder 52 is driven can be gone in the carrier tube 33 in its head 51 plants, aforesaid again carrier pipe 40 is coated with heat-insulation layer 41 in the outside, to keep the temperature of the carrier pipe 40 inner aluminum solutions of being carried.

Referring to shown in Figure 1, be the flow chart that the present invention makes the wheel rim method, the flow process of its manufacture method is as follows:

1. utilize carrier pipe 40 aluminum solutions 60 to be delivered in the die cavity 32 of carrier tube 33 and moulding;

2. the inlet amount for the treatment of aluminum solutions 60 is about 60～70% o'clock of die cavity 32 whole spaces, the plunger 50 of cylinder pressure 52 will on move and with the outlet 43 of head 51 sealing carrier pipes 40;

3. the aluminum solutions 60 of position in carrier tube 33 and die cavity 32 be after after a while, is aqueous aluminum solutions and will be condensed into and partly solidifies shape;

4. can utilize the aluminium material of hydraulic cylinder 52 actuation plunger 50 afterwards, send in the die cavity 32 in the mode of low speed heavy pressure with half curdled appearance of position in carrier tube 33;

5. the aluminium material of position in die cavity 32 will can be made into the very fine and closely woven wheel rim finished product of material after cooling.

Manufacture method of the present invention (referring to shown in Figure 1), when reality cooperates Fig. 2 and maker shown in Figure 3 to carry out the wheel rim making, at first be molten into aluminum solutions 60 after the high temperature heating of aluminum via molten aluminium stove 20, this aluminum solutions 60 is to utilize the carrier pipe 40 be provided with pump 42 with quantitatively, the mode of timing and level pressure flows to mould fast, and (this carrier pipe 40 that is provided with pump 42 is to belong to existing on the market delivery instrument of peddling, so do not intend giving unnecessary details), because carrier pipe 40 outsides are coated with temperature layer 41, can make aluminum solutions 60 when utilizing carrier pipe 40 to carry, referring to shown in Figure 4, can keep and maintain certain state of temperature, the aluminum solutions 60 that is the condition of high temperature afterwards can be sent in the carrier tube 33 by the outlet 43 of carrier pipe 40.

Cooperate again referring to Fig. 4 and shown in Figure 5, aluminum solutions 60 be subjected to head 51 with the type of drive of low speed heavy pressure in delivering into carrier tube 33 and die cavity 32, the quantity of the high temperature aluminum solution 60 of its input, when accounting for 60% to 70% left and right sides of die cavity 32 inner spaces of entire die group 31 greatly, plunger 50 utilizes cylinder pressure 52 to drive displacement via control, and utilize its head 51 to move to the outlet 43 relative position places of carrier pipe 40, and should export 43 and sealed, so, can stop the charging of aluminum solutions 60; Can make aluminum solutions 60 temperature of position high-temperature liquid state die cavity 32 and carrier tube 33 in slightly descend and condensation through behind the certain hour this moment, waits to be condensed to the material of making wheel rim and form " partly solidifying " state, can carry out next manufacturing process.

Cooperate simultaneously referring to Fig. 5 and shown in Figure 6; the aluminium material of position in carrier tube 33 and die cavity 32 be partly solidify shape after; can control hydraulic cylinder 52 actuation plunger 50 this moment again and continue reach; and comparatively slowly reach the higher low speed heavy pressure mode of pressure with speed; utilize the head 51 of plunger 50 that the aluminium material of position in carrier tube 33 inside pushed fully and be fills up to die cavity 32 places; and press filling a period of time with holding via high pressure; can improve the density of its material structure; to make the wheel rim that a material is closely knit and intensity is preferable; after the die casting of finishing wheel rim is made; each assembly is with die sinking in regular turn or reset and can be by taking out the finished products of wheel rims in the set of molds 31, or carries out the product treatment of next stage.

Because the particular design of aforementioned each manufacturing process of the present invention has following characteristics so that manufacture wheel rim:

1. because the aluminium material is subjected to the extruding of low speed heavy pressure so that material structure is comparatively fine and closely woven, thereby can carry The intensity of high its product;

2. again owing to have better smooth surface, thereby can reduce the cost of Surface Machining;

3. wish is carried out every surface treatment to wheel rim of the present invention, also very easy and material structure Be difficult for being damaged;

4. made wheel rim finished product is subjected to high pressure and holds and press a period of time, the shrink of its product in addition Rate is minimum, so that the processing of garbage area is all very easy, even does not have the waste material generation.

Claims

1. the manufacture method of an aluminium wheel rim is characterized in that, its manufacturing process is as follows:

Utilize the aluminium material of cylinder pressure actuation plunger, send in the die cavity in the mode of low speed heavy pressure with half curdled appearance of position in carrier tube;

2. device of implementing aforementioned aluminium wheel rim manufacture method, it is characterized in that, wherein in vertical die-casting machine, be provided with carrier tube below the set set of molds, one end of this carrier tube communicates with die cavity, the sidewall of holding proximal head in addition of carrier tube is connected with the carrier pipe that communicates, the carrier pipe that is connected with pump is provided with heat-insulation layer in the outside, can plant into a plunger by Driven by Hydraulic Cylinder is arranged in the termination in addition of carrier tube again, this plunger that can move in carrier tube can utilize the outlet of its head sealing carrier pipe, and the aluminum solutions (material) that will send in the carrier tube refills in die cavity.

3. the device of the aforementioned aluminium wheel rim manufacture method of enforcement according to claim 2 is characterized in that wherein the outside of carrier tube can be provided with sleeve pipe.

4. according to the device of claim 2 or the aforementioned aluminium wheel rim manufacture method of 3 described enforcements, it is characterized in that, wherein the end position is in the tank of ccontaining aluminum solutions in addition for carrier pipe, and this tank outside is provided with heating unit and is coated with heat-insulation layer, is distributed with several temperature detection rods in addition in tank.

5. the device of the aforementioned aluminium wheel rim manufacture method of enforcement according to claim 2 is characterized in that, the electric heating feeding unit that provides heating unit to be connected with the outside power supply that provides wherein is provided in the heat-insulation layer outside.