CN201720245U

CN201720245U - Continuous casting and rolling extrusion forming device of aluminum, magnesium and copper alloy as well as composite materials

Info

Publication number: CN201720245U
Application number: CN2010202511969U
Authority: CN
Inventors: 吕大俊
Original assignee: SHANXI AOMING TECHNOLOGY Co Ltd
Current assignee: SHANXI AOMING TECHNOLOGY Co Ltd
Priority date: 2010-07-03
Filing date: 2010-07-03
Publication date: 2011-01-26
Anticipated expiration: 2020-07-03

Abstract

The utility model relates to a continuous casting and rolling extrusion forming device of aluminum, magnesium and copper alloy as well as composite materials, which resolves the problem that the existing processing and forming device of the aluminum, magnesium and copper alloy as well as composite materials has the lower profiles performance because the structure thereof has the defect. A driven shaft is arranged on a frame, a casting roller is arranged on the driven shaft, and the lower roller surface of the casting roller is fitted in transition with the upper surface of an extrusion base and a sealing groove block. A crystallizer is arranged at the upper side of the casting roller and an extrusion roller, crystallization holes are opened on the crystallizer and the lower end of the crystallization hole is located at the upper side of contacting part of the casting roller and the extrusion roller. The lower surface of the crystallizer is fitted in transition with the roll surface of the casting roller and the extrusion roller, a rotating driving mechanism is arranged on a driving shaft and a driven shaft. The utility model improves the performance of profiles greatly through adding the casting roller and the crystallizer, so that the requirement that the profiles are produced to be high precision, especially fine, overlong becomes possible, meanwhile the utility model has the advantages that the structure is simple, the operation is convenient and the cost is low.

Description

The continuous casting and rolling extrusion molding apparatus of aluminium, magnesium, copper alloy and composite

Technical field

The utility model relates to the device that shapes of aluminium, magnesium alloy and composite, is specially the continuous casting and rolling extrusion molding apparatus of a kind of aluminium, magnesium, copper alloy and composite.

Background technology

Aluminum current, the process program that magnesium alloy and composite shape comprises Metal Melting, strand, forge, extruding, rolling, operations such as drawing, above-mentioned operation majority is independently to carry out, has the production line length, lumber recovery is low, power consumption is high, outstanding problems such as environmental pollution, and aluminium, the device that shapes of magnesium alloy and composite is a kind of collection casting, squeeze, be configured as the device of one, it is short to have goods batch, advantages such as the low and nearly end form production of cost, be subjected at present paying attention to widely, Chinese patent discloses the utility model patent that a kind of patent No. is 200720185231.X, the described aluminium of this utility model patent, magnesium alloy and composite material continuously concreting and forming integrated device comprise frame, be fixed on the frame and the boots pedestal band cambered surface and be enclosed within driving shaft on the frame, be fixed with the live-rollers of band water-cooling system on the driving shaft, have the groove of ring-type on the face of cylinder of live-rollers, be provided with groove envelope piece between the cambered surface of boots pedestal and the live-rollers, on the boots pedestal mould is installed, live-rollers is equipped with material blocking block in the groove at the position corresponding with die location, during work, after liquid blank enters groove, be subjected to the effect of water-cooling system, become semi-solid blank, then under the effect of live-rollers, constantly move to the material blocking block place, blank enters mold cavity under the effect of material blocking block, the section bar that comes out in the mold cavity is because the extruding force that is subjected to is less, can't change the institutional framework of blank matrix phase, thereby cause the performance of section bar lower, can't satisfy the high-precision thin-walled of section bar, the special thin requirement that reaches overlength.

Summary of the invention

The utility model shapes device because there is the lower problem of section bar performance in fault of construction in order to solve existing aluminium, magnesium alloy and composite, and the continuous casting and rolling extrusion molding apparatus of a kind of aluminium, magnesium, copper alloy and composite is provided.

The utility model is to adopt following technical scheme to realize: aluminium, magnesium, the continuous casting and rolling extrusion molding apparatus of copper alloy and composite, comprise frame, material blocking block, the extruding seat, have the compression roller of squeezing groove on driving shaft and fixed thereon and the roll surface, mould and the sealing groove piece between extruding seat and compression roller, frame is provided with driven shaft, be fixed with the casting roller that roll surface is close to the compression roller roll surface and is positioned at extruding seat top on the driven shaft, casting roller bottom roll surface and extruding seat and sealing groove piece upper face interference fits, be provided with the crystallizer that is fixed on the frame around the casting roller, the lower end that has crystallization hole and crystallization hole on the crystallizer is positioned at the top of casting roller and squeezing groove contact site, the roll surface interference fits of crystallizer lower surface and casting roller and compression roller, driving shaft and driven shaft are provided with rotary drive mechanism.Rotary drive mechanism is that those skilled in the art realize easily.During work, liquid blank is delivered in the crystallization hole of crystallizer by the high temperature liquid pump, liquid then blank becomes semi-solid blank under the effect of crystallizer, driving shaft and driven shaft reverse rotation under the effect of rotary drive mechanism then, thereby drive compression roller and the reverse rotation of casting roller, semi-solid blank constantly nipped realize extruding in the squeezing groove of compression roller, blank reaches extrusion temperature under the acting in conjunction of frictional force and extruding force, then blank enters mould under the effect of material blocking block, with the blank extrusion molding, because blank is subjected to continuously big detrusion, has therefore changed the institutional framework of its matrix phase, and then has improved the performance of section bar greatly.

Rotary drive mechanism comprise the driving gear that is fixed on the driving shaft and be fixed on the driven shaft and with the driven gear of driving gear engagement, one end of driving shaft is provided with motor, when driving the rotation of driving shaft and driven shaft, starter motor, the rotation of drive driving shaft, driving gear on the driving shaft drives driven gear and rotates, and then driven gear drives the relative driving shaft opposite spin of driven shaft.

Squeezing groove is two squeezing grooves of axial distribution, have two crystallization holes on the crystallizer, the casting roller is pressed in two two parts on the squeezing groove respectively by roll surface and forms, driven shaft is made up of two minor axises, and an adjacent end of two minor axises is nested together, wherein the part of minor axis and casting roller is fixed, another part of another root minor axis and casting roller is fixed, another root minor axis of driven shaft is provided with rotary drive mechanism, during work, owing to adopt the compression roller of two squeezing grooves, the semi-solid blank in two squeezing grooves enters the die cavity of mould simultaneously, is convenient to the bigger blank of diameter requirement is shaped; Rotating speed and then the two-part rotating speed of adjusting casting roller by regulating two minor axises guarantees the extruding force balance in two squeezing grooves, thereby prevents the deviation phenomenon of blank in mold cavity simultaneously, makes section bar smooth surface and wall thickness even.

Have the through hole that is communicated with mold cavity on the extruding seat, in through hole, feed different clad materials, when its with after blank in the mold cavity mixes, can finish the compound of section bar and coat operation, the axis of through hole and mold cavity is located along the same line, be the tangent line extrusion, and extruding seat and mould are arranged on the horizontal center line of compression roller, i.e. radial compression method.

The gap location of sealing groove piece between extruding seat and compression roller, and the roll surface interference fits of the cambered surface of sealing groove piece and compression roller, have the eccentric grove of and relative compression roller axis off-centre corresponding on the cambered surface of sealing groove piece with the squeezing groove position of compression roller, eccentric grove is near the diameter of the mould one side diameter less than the eccentric grove opposite side, during work, the degree of eccentricity of sealing groove piece is 3-8mm, this kind structural design is more reasonable, blank is squeezed and enters squeezing groove after the extruding force of nipping of roller and casting roller, the cross section that surrounds the space along with squeezing groove and eccentric grove constantly dwindles, semi-solid blank is subjected to further supercharging, frictional force and extruding force in squeezing groove progressively increase, and have further improved the performance of section bar.

The arc angle of sealing groove piece is 180 °-320 °, and the clearance distance between sealing groove piece and the compression roller roll surface is 0.5mm-1.5mm, and the arc angle setting of sealing groove piece makes the pressurized effect of semi-solid blank better, and the section bar performance after the supercharging reaches optimum efficiency; Being adjusted under the prerequisite that satisfies squeezing effect of clearance distance prolonged the service life of sealing groove piece simultaneously, reduces to change the problem that the sealing groove piece exists wastes time and energy and then influence production efficiency.

The scope of the rotating ratio of casting roller and compression roller is 1: 1-1.5: 1, and it is best that this moment, casting roller and compression roller rotated the extruding force effect of the semi-solid blank of nipping, and the scope of rotating ratio records through test of many times.

The utility model has overcome existing aluminium, magnesium alloy and composite by rational improvement and has shaped device because fault of construction exists shaping difficulty and the lower problem of section bar performance, nipping of blank and squeezing effect have been improved greatly by setting up casting roller and crystallizer, and then improved the performance of section bar, make section bar manufacture high-precision thin-walled, requirement special thin, overlength becomes possibility, has advantage simple in structure, easy to operate and that cost is low simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the schematic top plan view of Fig. 1.

Fig. 3 is for there being the structural representation of two squeezing grooves on the compression roller among Fig. 1.

Among the figure: 1-pushes seat, 2-squeezing groove, 3-compression roller, 4-mould, 5-sealing groove piece, 6-casting roller, 7-crystallizer, 8-crystallization hole, 9-driving shaft, 10-driven shaft, 11-driving gear, 12-driven gear, 13-through hole, 14-radial groove hole, 15-material blocking block.

The specific embodiment

Aluminium, magnesium, the continuous casting and rolling extrusion molding apparatus of copper alloy and composite, frame, extruding seat 1, material blocking block 15, have the compression roller 3 of squeezing groove 2 on driving shaft 9 and fixed thereon and the roll surface, mould 4 and the sealing groove piece 5 between extruding seat 1 and compression roller 3, frame is provided with driven shaft 10, be fixed with the casting roller 6 that roll surface is close to compression roller 3 roll surfaces and is positioned at extruding seat 1 top on the driven shaft 10, casting roller 6 bottom roll surfaces and extruding seat 1 and sealing groove piece 5 upper face interference fits, be provided with the crystallizer 7 that is fixed on the frame around the casting roller 6, the lower end that has crystallization hole 8 and crystallization hole 8 on the crystallizer 7 is positioned at the top of casting roller 6 and squeezing groove 2 contacts site, the roll surface interference fits of crystallizer 7 lower surface and casting roller 6 and compression roller 3, driving shaft 9 and driven shaft 10 are provided with rotary drive mechanism.Rotary drive mechanism comprise the driving gear that is fixed on the driving shaft 9 11 and be fixed on the driven shaft 10 and with the driven gear 12 of driving gear 9 engagements, an end of driving shaft 9 is provided with motor; Squeezing groove 2 is two squeezing grooves 2 of axial distribution, have two crystallization holes 8 on the crystallizer 7, casting roller 6 is pressed in two two parts on the squeezing groove 2 respectively by roll surface and forms, driven shaft 9 is made up of two minor axises, and an adjacent end of two minor axises is nested together, wherein the part of minor axis and casting roller 6 is fixed, and another part of another root minor axis and casting roller 6 is fixed, and is respectively equipped with rotary drive mechanism on another root minor axis of driven shaft 9; Have the through hole 13 that is communicated with mould 4 die cavities on the extruding seat 1; The gap location of sealing groove piece 5 between extruding seat 1 and compression roller 3, and the roll surface interference fits of the cambered surface of sealing groove piece 5 and compression roller 3, have the eccentric grove of and relative compression roller 3 eccentric axis corresponding with squeezing groove 2 positions of compression roller 3 on the cambered surface of sealing groove piece 5, eccentric grove is near the diameter of the mould 4 one sides diameter less than the eccentric grove opposite side; The arc angle of sealing groove piece 5 is 180 ° (or 200 °, or 290 °, or 320 °), and the clearance distance between sealing groove piece 5 and compression roller 3 roll surfaces is 0.5mm (or 0.9mm, or 1.1mm, or 1.5mm); The scope of the rotating ratio of casting roller 6 and compression roller 3 is 1: 1 (or 1.1: 1, or 1.3: 1, or 1.5: 1).In the specific implementation process, the end of a minor axis is provided with step structure, has the hole that the stepped end of minor axis can be inserted on another root minor axis one end end face; Liquid blank is dissolved by vacuum drying oven to be made; Shaped structure according to blank in mould 4 die cavities is provided with hollow profile mould, solid profile mould, compound and coating section bar mould, expanded mode or various special-shaped film, and mold materials is selected senior mould steel for use; Between mould 4 and squeezing groove 2, material blocking block 15 is set, blank is sheared enter mold cavity, refinement the crystalline phase tissue of blank, improved the performance of section bar; The place, axle center of casting roller 6 and compression roller 3 is provided with water-cooling system, water-cooling system is a prior art, the place, axle center that is specially casting roller 6 and compression roller 3 is provided with hollow shaft, be provided with the branch water jacket in the hollow shaft, have the cannelure that branch water jacket and radial groove hole 14 are communicated with in casting roller 6 and the compression roller 3; The clamping of extruding seat 1 and mould 4, replacing and installation are all finished by hydraulic mechanism, and hydraulic mechanism comprises that Hydraulic Station, magnetic valve, check valve link to each other, and finish exercises thereby drive hydraulic cylinder; Control for major parameters such as melt flow, intensity of cooling, casting roller and compression roller rotating speeds all realizes by PLC FPGA control technology with demonstration; One end of compression roller 3 is equipped with torque speed sensor, by the PLC automatic control system extruding force of compression roller 3 is carried out observing and controlling.

Claims

1. aluminium, magnesium, the continuous casting and rolling extrusion molding apparatus of copper alloy and composite, comprise frame, extruding seat (1), material blocking block (15), have the compression roller (3) of squeezing groove (2) on driving shaft (9) and fixed thereon and the roll surface, mould (4) and be positioned at sealing groove piece (5) between extruding seat (1) and the compression roller (3), it is characterized in that: frame is provided with driven shaft (10), be fixed with the casting roller (6) that roll surface is close to compression roller (3) roll surface and is positioned at extruding seat (1) top on the driven shaft (10), casting roller (6) bottom roll surface and extruding seat (1) and sealing groove piece (5) upper face interference fits, casting roller (6) is provided with the crystallizer (7) that is fixed on the frame on every side, the lower end that has crystallization hole (8) and crystallization hole (8) on the crystallizer (7) is positioned at the top of casting roller (6) and squeezing groove (2) contact site, the roll surface interference fits of crystallizer (7) lower surface and casting roller (6) and compression roller (3), driving shaft (9) and driven shaft (10) are provided with rotary drive mechanism.

2. the continuous casting and rolling extrusion molding apparatus of aluminium according to claim 1, magnesium, copper alloy and composite, it is characterized in that: rotary drive mechanism comprise the driving gear (11) that is fixed on the driving shaft (9) and be fixed on the driven shaft (10) and with the driven gear (12) of driving gear (9) engagement, an end of driving shaft (9) is provided with motor.

3. aluminium according to claim 1, magnesium, the continuous casting and rolling extrusion molding apparatus of copper alloy and composite, it is characterized in that: squeezing groove (2) is two squeezing grooves (2) of axial distribution, have two crystallization holes (8) on the crystallizer (7), casting roller (6) is made up of two parts that roll surface is pressed in respectively on two squeezing grooves (2), driven shaft (9) is made up of two minor axises, and an adjacent end of two minor axises is nested together, wherein the part of minor axis and casting roller (6) is fixed, another part of another root minor axis and casting roller (6) is fixed, and another root minor axis of driven shaft (9) is provided with rotary drive mechanism.

4. according to the continuous casting and rolling extrusion molding apparatus of claim 1,2 or 3 described aluminium, magnesium, copper alloy and composite, it is characterized in that: have the through hole (13) that is communicated with mould (4) die cavity on the extruding seat (1).

5. according to the continuous casting and rolling extrusion molding apparatus of claim 1,2 or 3 described aluminium, magnesium, copper alloy and composite, it is characterized in that: sealing groove piece (5) is positioned at the gap location between extruding seat (1) and the compression roller (3), and the roll surface interference fits of the cambered surface of sealing groove piece (5) and compression roller (3), have the eccentric grove of and relative compression roller (3) eccentric axis corresponding with squeezing groove (2) position of compression roller (3) on the cambered surface of sealing groove piece (5), eccentric grove is near the diameter of mould (4) the one sides diameter less than the eccentric grove opposite side.

6. the continuous casting and rolling extrusion molding apparatus of aluminium according to claim 4, magnesium, copper alloy and composite, it is characterized in that: sealing groove piece (5) is positioned at the gap location between extruding seat (1) and the compression roller (3), and the roll surface interference fits of the cambered surface of sealing groove piece (5) and compression roller (3), have the eccentric grove of and relative compression roller (3) eccentric axis corresponding with squeezing groove (2) position of compression roller (3) on the cambered surface of sealing groove piece (5), eccentric grove is near the diameter of mould (4) the one sides diameter less than the eccentric grove opposite side.

7. according to the continuous casting and rolling extrusion molding apparatus of claim 1,2 or 3 described aluminium, magnesium, copper alloy and composite, it is characterized in that: the arc angle of sealing groove piece (5) is 180 °-320 °, and the clearance distance between sealing groove piece (5) and compression roller (3) roll surface is 0.5mm-1.5mm.

8. the continuous casting and rolling extrusion molding apparatus of aluminium according to claim 1 and 2, magnesium, copper alloy and composite is characterized in that: the scope of the rotating ratio of casting roller (6) and compression roller (3) is 1: 1-1.5: 1.