CN104289591A - Hydraulic device for aluminum alloy drawing and extrusion compound forming - Google Patents
Hydraulic device for aluminum alloy drawing and extrusion compound forming Download PDFInfo
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- CN104289591A CN104289591A CN201410513345.7A CN201410513345A CN104289591A CN 104289591 A CN104289591 A CN 104289591A CN 201410513345 A CN201410513345 A CN 201410513345A CN 104289591 A CN104289591 A CN 104289591A
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Abstract
The invention provides a hydraulic device for aluminum alloy drawing and extrusion compound forming. The hydraulic device comprises a rack, a hydraulic system and a forming die. The hydraulic system and the forming die are arranged on the rack. The hydraulic system comprises a main oil cylinder and a movable beam. A piston rod of the main oil cylinder is fixedly connected with the movable beam, and the hydraulic system is fixedly connected with the forming die. When a male die makes contact with an aluminum alloy board needing to be drawn and extruded, a blank pressing cylinder presses the periphery of the aluminum alloy board. When the aluminum alloy board is pressed into an aluminum alloy profile through the male die, a material return board is driven by a material return cylinder to eject the aluminum alloy profile out of a female die upward. The drawing and extrusion machining processes of aluminum alloy parts are completed on the same device, the machining period of the parts is shortened, the production cost is reduced, and the production efficiency is improved.
Description
Technical field
Aluminium alloy former field of the present invention, particularly a kind of hydraulic test applying aluminium alloy drawing extrusion cladding forming technology.
Background technology
Drawing and extruding are the conventional manufacturing process of aluminum alloy part.In the production of hardware, often produce wall thickness more uniform aluminium alloy tube kind part with deep-drawing technique, extrusion process is then used for shaping wall thickness and changes the part required.Traditional production technology and equipments, generally can only complete a kind of forming technology at an in-process, when needs carry out processing parts by multiple technique, increase operation and mean the other equipment of increase and mould, the production cycle of part increases thereupon, while increase production cost, greatly reduce production efficiency.Therefore, when needs produce an aluminum alloy part by drawing and extrusion process, traditional hydraulic test can not carry out above two techniques on single equipment simultaneously, seriously hinders the decline of this series products cost and the lifting of efficiency.
Summary of the invention
For the problems referred to above, the object of the invention is to propose a kind of hydraulic test that can be used for alloy plate material drawing, extrusion cladding forming technology, the processing cost solving conventional aluminum Alloy Forming processing hydraulic equipment is high, inefficient problem.
For reaching this object, the present invention by the following technical solutions: a kind of for aluminium alloy drawing extrusion cladding be shaped hydraulic test; Comprise frame, hydraulic system and shaping dies, hydraulic system and shaping dies are arranged in described frame; Described hydraulic system comprises master cylinder and walking beam, the piston rod of described master cylinder and being fixedly connected with of walking beam, and described hydraulic system is fixedly connected with described shaping dies;
Described shaping dies comprises punch assemblies and die assembly;
Described punch assemblies comprises flanging cylinder and punch; Described die assembly comprises die, stripper, material returned bar and material returned cylinder, and described die is arranged on immediately below punch, and described stripper is located at the inside of described die, and described stripper is fixed on described material returned bar, and described material returned bar is driven by described material returned cylinder;
When described punch touches the alloy plate material needing to be extruded by drawing, the periphery of described alloy plate material is pushed down by described flanging cylinder; After described alloy plate material is pressed into aluminium alloy extrusions by described punch, described stripper is driven by described material returned cylinder and up described aluminium alloy extrusions is ejected die.
Further, described hydraulic system, punch assemblies and die assembly are successively set on described frame according to order from top to bottom, described master cylinder is fixed on described frame and drives downwards, described flanging cylinder is arranged on the lower plane of described walking beam, and described punch is arranged on the lower plane of described walking beam.
Further, described punch assemblies, die assembly and hydraulic system are successively set on described frame according to order from top to bottom, described master cylinder is fixed on described frame and upwards drives, and described flanging cylinder is arranged on described frame, and described punch is arranged on described frame.
Further, the stiff end of described punch is provided with punch Connection Block.
Further, the stiff end of described die is provided with counterdie backing plate.
Further, the stiff end of described flanging cylinder is provided with connecting plate.
Further, the piston rod end face of described flanging cylinder is provided with blank holder.
Further, the upper surface of described die is provided with locating piece, described locating piece is arranged at the position of corresponding described blank holder, and when described punch carries out drawing extruding to alloy plate material, the side end of described alloy plate material is fixedly clamped by described blank holder and locating piece.
Further, the both sides of described punch assemblies are provided with main guiding mechanism, and described main guiding mechanism is guide colume type or guide tracked or column, and in described punch assemblies, the two ends of walking beam are arranged on described main guiding mechanism.
Further, the both sides of described flanging cylinder are provided with limit cylinder guiding mechanism, and described limit cylinder guiding mechanism is guide colume type or guide tracked or column, and the piston rod two ends of described flanging cylinder are arranged on described limit cylinder guiding mechanism.
A kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding of the present invention, by punch hydraulic system master cylinder drive under by aluminium alloy plate squash type, the two ends of flanging cylinder compacting alloy plate material, the middle part of aluminium alloy plate drives downwards by the bottom of punch, thus by the material drawing of two side positions in the middle part of described aluminium alloy plate, after punch and die matched moulds, aluminium alloy plate can be extruded; Therefore on same equipment, complete the processing technology of aluminum alloy part drawing, extruding, shorten the process-cycle of part, reduce production cost, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of hydraulic system and punch assemblies in the present invention;
Fig. 2 is the structural representation of concave membrane module of the present invention;
Fig. 3 is the assembly structure schematic diagram of an embodiment in the present invention.
Wherein: 1 is frame, 2 is master cylinder, and 3 is walking beam;
40 is punch assemblies, and 4 is punch, and 6 is flanging cylinder;
50 is die assembly, and 5 is die, and 7 is stripper, and 8 is material returned bar, and 9 is material returned cylinder;
10 is connecting plate; 11 is blank holder, and 12 is locating piece, and 13 is punch Connection Block, and 14 is counterdie backing plate, and 15 take as the leading factor to mechanism, and 16 is flanging guiding mechanism;
100 is alloy plate material.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figures 1 and 2, a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding; Comprise frame 1, hydraulic system and shaping dies, hydraulic system and shaping dies are arranged in described frame 1; Described hydraulic system comprises master cylinder 2 and walking beam 3, and the piston rod of described master cylinder 2 is fixedly connected with walking beam 3, and described hydraulic system is fixedly connected with described shaping dies;
Described shaping dies comprises punch assemblies 40 and die assembly 50;
Described punch assemblies 40 comprises flanging cylinder 6 and punch 4; Described die assembly 50 comprises die 5, stripper 7, material returned bar 8 and material returned cylinder 9, and described die 5 is arranged on immediately below punch 4; Described stripper 7 is located at the inside of described die 5, and described stripper 7 is fixed on described material returned bar 8, and described material returned bar 8 is driven by described material returned cylinder 9;
When described punch 4 touches the alloy plate material 100 extruded by drawing under described walking beam 3 drives, the periphery of described alloy plate material 100 is pushed down by described flanging cylinder 6; After described alloy plate material 100 is pressed into aluminium alloy extrusions by described punch 4, described stripper 7 is driven by described material returned cylinder 9 and up described aluminium alloy extrusions is ejected die 5.
The piston rod end face of described flanging cylinder 6 is provided with blank holder 11, piston rod due to flanging cylinder 6 down will move to contact with alloy plate material 100 and produce extruding force, if there is no blank holder 11, then that the piston rod end face of flanging cylinder 6 directly contacts with alloy plate material 100, under the effect of extruding force, easily wearing and tearing are produced, in order to not affect extruding precision to piston rod, must change piston rod, drastically increase processing cost; And blank holder 11 is set on piston rod end face, just can avoid above-mentioned situation well, and once blank holder 11 weares and teares effectively, changing gets up also is very convenient and low cost.
The upper surface of described die 5 is provided with locating piece 12, described locating piece 12 is arranged at the position of corresponding described blank holder 11, when described punch 4 pairs of alloy plate materials 100 carry out drawing extruding, the side end of described alloy plate material 100 is fixedly clamped by described blank holder 11 and locating piece 12; Drawing extruding time, alloy plate material 100 is fixed by locating piece 12, avoid punch 4 down move produce stamping press the position of alloy plate material 100 is changed, thus ensure that part extruding drawing time machining accuracy; On the other hand, locating piece 12 also has the effect being similar to blank holder 11, plays the wearing and tearing preventing die 5 end face, extends the effect in its service life, also can give when changing wear-out part and reduce costs.
The both sides of described punch assemblies 40 are provided with main guiding mechanism 15, and described main guiding mechanism 15 is guide colume type or guide tracked or column, and in described punch assemblies 40, the two ends of walking beam 3 are arranged on described main guiding mechanism; When described walking beam 3 down moves under the driving of master cylinder 2, due to the restriction of main guiding mechanism 15, the skew of left and right directions can not be there is, thus ensure that punch 4 just to described die 5, stable motion path, improve extruding precision.
The both sides of described flanging cylinder 6 are provided with limit cylinder guiding mechanism 16, described limit cylinder guiding mechanism 16 is guide colume type or guide tracked or column, the piston rod two ends of described flanging cylinder 6 are arranged on described limit cylinder guiding mechanism 16, when the piston rod of flanging cylinder 6 moves downward, when carrying out the compression of alloy plate material 100, due to the restriction of limit cylinder guiding mechanism 16, left and right skew can not be there is in piston rod, thus ensure that the correct flanging of flanging cylinder 6 pairs of alloy plate materials 100, play stable motion path, improve the effect of extruding precision.
Embodiment 1
As shown in Figure 3, described hydraulic system, punch assemblies 40 and die assembly 50 are successively set on described frame 1 according to order from top to bottom, described master cylinder 2 is fixed on described frame 1 and drives downwards, described flanging cylinder 6 is arranged on the lower plane of described walking beam 3, and described punch 4 is arranged on the lower plane of described walking beam 3.During extrusion molding, punch 4 under the driving of master cylinder 2, the alloy plate material 100 on Extruding die 5; Because punch 4 moves from top to bottom, then in extrusion process, successfully by means of himself and the gravity of vicinity that and then moves downward, the extruding force of namely alloy plate material 100 bearing then need not be provided by master cylinder 2 completely, save power, reduce energy consumption, and then save cost.
Described punch 4 is fixed on described walking beam 3 by punch Connection Block 13; time stamping; the end face of punch 4 directly contacts with alloy plate material 100 and produces stamping press; realize drawing and be extruded into shape; and the connection fittings such as master cylinder 2, walking beam 3 and frame 1 all need to bear certain recoil strength; punch 4 is fixed on walking beam 3 by punch Connection Block 13; instead of directly punch 4 is fixed on walking beam 3; punch Connection Block 13 can absorb a part of recoil strength; reduce the loss to critical pieces such as master cylinder 2, walking beams 3; protect equipment, extend its service life.
Described die 5 is fixed on described frame 1 by counterdie backing plate 14; time stamping; die 5 subjects the downward stamping press from top hydraulic system; the connection fittings such as frame 1, stripper 7 all need to bear certain stamping press, die 5 is fixed on frame 1 by counterdie backing plate 14, instead of directly die 5 is fixed on frame 1; die-cushion plate 14 can absorb a part of recoil strength; reduce the loss to critical pieces such as frame 1, strippers 7, protect equipment, extend its service life.
Described flanging cylinder 6 is fixed on described walking beam 3 by connecting plate 10, and described connecting plate 10 is fixed on described walking beam 3; When the effect that connecting plate 10 is arranged is stamping; the connection fittings such as master cylinder 2, walking beam 3 and frame 1 all need to bear certain recoil strength; connecting plate 10 can absorb a part of recoil strength; connecting plate 10 can be directly changed when connecting plate 10 is damaged; reduce the loss to critical pieces such as master cylinder 2, walking beams 3; protect equipment, extend its service life.
Master cylinder 2 is fixed on upper beam (frame 1 is made up of upper beam, column, underbeam, and version can be but be not limited to frame-type, four-column type, pretension rod-pulling type or other form) lower plane of frame 1, and the piston rod of master cylinder 2 is connected with walking beam 3; The connecting plate 10 of flanging cylinder 6 is fixed on walking beam 3 lower plane, and for fixing flanging cylinder 6 and punch Connection Block 13, the piston of flanging cylinder 6 can slide between flanging cylinder 6 and punch Connection Block 13, and is led by flanging guiding mechanism 16; Punch 4 is fixed on punch Connection Block 13, and blank holder 11 is fixed on flanging cylinder 6 piston; Walking beam 3 is led by guiding mechanism (form can be but not limit guide colume type, guide tracked, column or other guidance mode).Die 5 is arranged on plane on counterdie backing plate 14, counterdie backing plate 14 to be arranged on underbeam in plane, die 5 is provided with locating piece 12, stripper 7 is arranged at die 5 die cavity bottom, and stripper 7 is connected with material returned bar 8, material returned bar 7 is connected with material returned cylinder 9 piston rod, material returned cylinder 9 is arranged between counterdie backing plate 14 and underbeam.
The course of work: in original state, the piston of flanging cylinder 6 extend out to desired location, and the piston rod of master cylinder 2 goes upward to setting peak, and equipment is in die opening state, and stripper 7 is ejected to desired location by material returned bar 8.During work, alloy plate material 100 is placed in female die of die 5, and master cylinder 2 piston rod drives walking beam 3 descending, thus drive flanging cylinder 6 and punch 4 descending, until blank holder 11 compresses alloy plate material 100, produce pressure-pad-force; The piston rod of master cylinder 2 continue to drive walking beam 3 and punch 4 descending, the piston pressurized of flanging cylinder 6 is return, until punch 4 contacts alloy plate material 100, equipment starts to enter drawing state; Master cylinder 2 piston driving walking beam 3 and punch 4 continue descending, punch 4 starts to enter die 5 and drives alloy plate material 100 to enter concave die cavity, drawing effect is produced to alloy plate material 100, in drawing process, the piston of flanging cylinder 6 continues to return, to keep the flanging effect to alloy plate material 100; When punch 4 goes downwards to certain position, alloy plate material 100 flows to concave die cavity substantially, and contacts with stripper 7, and at this moment drawing process terminates; The piston rod of master cylinder 2 drives walking beam 3 and punch 4 to continue descending, and it is descending to promote stripper 7 by alloy plate material 100, stripper 7 drives the piston rod of material returned bar 8 and material returned cylinder 9 descending, until stripper 7 comes downwards to limit inferior position, at this moment, stripper 7 forms the outer shape of product together with die 5 die cavity, and at this moment equipment starts to enter squeezed state; Master cylinder 2 continues pressurization, produces squeezing action by punch 4 together with die 5 to alloy plate material 100; After master cylinder 2 arrives certain output, alloy plate material 100 is fitted mold cavity, forms product; Master cylinder 2 off-load also drives walking beam 3, flanging cylinder 6 and punch 2 to get back to original position; In master cylinder 2 return stroke, the piston of flanging cylinder 6 stretches out, and drives blank holder 11 to get back to original position; The piston rod of material returned cylinder 9 drive material returned bar 8 and stripper 7 up, thus jack-up be shaped after part, complete material returned action.
Alloy plate material 100 extrudes by punch 4 under the master cylinder 2 of hydraulic system drives, the two ends of alloy plate material 100 suppressed by flanging cylinder 6, the middle part of aluminium alloy plate 100 drives downwards by the bottom of punch 4, thus by the material drawing of two side positions in the middle part of described aluminium alloy plate 100, after punch 4 and die 5 matched moulds, aluminium alloy plate 100 can be extruded; Therefore on same equipment, complete the processing technology of aluminum alloy part drawing, extruding, shorten the process-cycle of part, reduce production cost, improve production efficiency.
Embodiment 2
Described punch assemblies 40, die assembly 50 and hydraulic system are successively set on described frame 1 according to order from top to bottom, described master cylinder 2 is fixed on described frame 1 and upwards drives, described flanging cylinder 6 is arranged on described frame 1, described punch 4 is arranged on described frame 1, during extrusion molding, die 5 and alloy plate material fixed thereon 100 up move under the driving of master cylinder 2; Because the weight ratio punch assemblies 40 of die assembly 50 self is little, then this embodiment reduces power, reduce the energy consumption of master cylinder 2, and then save cost.
Described flanging cylinder 6 is fixed on the upper beam of frame 1 by connecting plate 10; when the effect that connecting plate 10 is arranged is stamping; frame 1 and attached connection fittings all need to bear certain recoil strength; connecting plate 10 can absorb a part of recoil strength; connecting plate 10 can be directly changed when connecting plate 10 is damaged; reduce the loss to critical pieces such as master cylinder 2, walking beams 3, protect equipment, extend its service life
Described punch 4 is fixed on described connecting plate 10 by punch Connection Block 13, time stamping, the end face of punch 4 directly contacts with alloy plate material 100 and produces drawing pressure, realize drawing and be extruded into shape, and frame 1 and attached connection fittings all need to bear certain recoil strength, punch 4 is fixed on connecting plate 10 by punch Connection Block 13, instead of directly punch 4 is fixed on upper beam or the connecting plate 10 of frame 1, punch Connection Block 13 can absorb a part of recoil strength, reduce master cylinder 2, the loss of critical piece such as walking beam 3 grade, protect equipment, extend its service life.
Described die 5 is fixed on described walking beam 3 by counterdie backing plate 14; time stamping; die 5 subjects the downward stamping press from top hydraulic system; the connection fittings such as frame 1, stripper 7 all need to bear certain stamping press; die 5 is fixed on walking beam 3 by counterdie backing plate 14; instead of directly die 5 is fixed on frame 1; die-cushion plate 14 can absorb a part of recoil strength; reduce the loss to critical pieces such as frame 1, master cylinder 2, strippers 7; protect equipment, extend its service life.
Master cylinder 2 is fixed in the upper plane of frame 1 underbeam (frame is made up of upper beam, column, underbeam, and version can be but be not limited to frame-type, four-column type, pretension rod-pulling type or other form), and the piston rod of master cylinder 2 is connected with walking beam 3; The connecting plate 10 of flanging cylinder 6 is fixed on the lower plane of frame 1 upper beam, and for fixing flanging cylinder 6 and punch Connection Block 13, the piston of flanging cylinder 6 can slide between flanging cylinder 6 and punch Connection Block 13, and is led by flanging guiding mechanism 16; Punch 4 is fixed on punch Connection Block 13, and blank holder 11 is fixed on the piston of flanging cylinder 6; Walking beam 3 is led by guiding mechanism (form can be but not limit guide colume type, guide tracked, column or other guidance mode).Die 5 to be arranged on walking beam 3 in plane, die 5 is provided with locating piece 12, stripper 7 is arranged at die 5 die cavity bottom, and stripper 7 is connected with material returned bar 8, material returned bar 8 is connected with the piston rod of material returned cylinder 9, material returned cylinder 9 is arranged between the piston rod of walking beam 3 and master cylinder 2.
In original state, the piston of flanging cylinder 6 extend out to desired location, and the piston rod of master cylinder 2 comes downwards to setting minimum point, and equipment is in die opening state, and material returned bar 8 ejects to desired location.During work, alloy plate material 100 is placed in female die of die 5, and the piston rod of master cylinder 2 drives walking beam 3 up, thus drives die 5 up, until blank holder 11 compresses alloy plate material 100, produces pressure-pad-force; The piston rod of master cylinder 2 continue to drive walking beam 3 and die 5 up, the piston pressurized of flanging cylinder 6 is return, until punch 4 contacts alloy plate material 100, equipment starts to enter drawing state; Piston driving walking beam 3 and the die 5 of master cylinder 2 continue up, punch 4 starts to enter die 5 and drives alloy plate material 100 to carry out die 5 die cavity, drawing effect is produced to alloy plate material 100, in drawing process, the piston of flanging cylinder 6 continues to return, to keep the flanging effect to alloy plate material 100; When die 5 is up to certain position, alloy plate material 100 flows to concave die cavity substantially, and contacts with stripper 7, and at this moment drawing process terminates; The piston rod of master cylinder 2 drives walking beam 3 and die 5 to continue up, at this moment to promote stripper 7 by alloy plate material 100 descending for punch 4, stripper 7 drives the piston rod of material returned bar 8 and material returned cylinder 9 descending, until stripper 7 comes downwards to limit inferior position, at this moment, stripper 7 forms the outer shape of product together with concave die cavity, and at this moment equipment starts to enter squeezed state; Master cylinder continues pressurization, produces squeezing action by punch together with die to plate; After master cylinder 2 arrives certain output, alloy plate material 100 is fitted mold cavity, forms product; Master cylinder 2 off-load and drive walking beam 3, die 5 gets back to original position; In master cylinder 2 return stroke, the piston rod of flanging cylinder 6 stretches out, and drives blank holder 11 to get back to original position; The piston rod of material returned cylinder 9 drive material returned bar 8 and stripper 7 up, thus jack-up be shaped after part, complete material returned action.
Alloy plate material 100 extrudes by die 5 under the master cylinder 2 of hydraulic system drives, the two ends of alloy plate material 100 suppressed by flanging cylinder 6, the middle part of aluminium alloy plate 100 drives downwards by the bottom of punch 4, thus by the material drawing of two side positions in the middle part of described aluminium alloy plate 100, after punch 4 and die 5 matched moulds, aluminium alloy plate 100 can be extruded; Therefore on same equipment, complete the processing technology of aluminum alloy part drawing, extruding, shorten the process-cycle of part, reduce production cost, improve production efficiency.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1., for the hydraulic test that aluminium alloy drawing extrusion cladding is shaped, it is characterized in that: comprise frame, hydraulic system and shaping dies, hydraulic system and shaping dies are arranged in described frame; Described hydraulic system comprises master cylinder and walking beam, the piston rod of described master cylinder and being fixedly connected with of walking beam, and described hydraulic system is fixedly connected with described shaping dies;
Described shaping dies comprises punch assemblies and die assembly;
Described punch assemblies comprises flanging cylinder and punch; Described die assembly comprises die, stripper, material returned bar and material returned cylinder, and described die is arranged on immediately below punch, and described stripper is located at the inside of described die, and described stripper is fixed on described material returned bar, and described material returned bar is driven by described material returned cylinder;
When described punch touches the alloy plate material needing to be extruded by drawing, the periphery of described alloy plate material is pushed down by described flanging cylinder; After described alloy plate material is pressed into aluminium alloy extrusions by described punch, described stripper is driven by described material returned cylinder and up described aluminium alloy extrusions is ejected die.
2. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 1, it is characterized in that: described hydraulic system, punch assemblies and die assembly are successively set on described frame according to order from top to bottom, described master cylinder is fixed on described frame and drives downwards, described flanging cylinder is arranged on the lower plane of described walking beam, and described punch is arranged on the lower plane of described walking beam.
3. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 1, it is characterized in that: described punch assemblies, die assembly and hydraulic system are successively set on described frame according to order from top to bottom, described master cylinder is fixed on described frame and upwards drives, described flanging cylinder is arranged on described frame, and described punch is arranged on described frame.
4., according to claim 2 or a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 3, it is characterized in that: the stiff end of described punch is provided with punch Connection Block.
5., according to claim 2 or a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 3, it is characterized in that: the stiff end of described die is provided with counterdie backing plate.
6., according to claim 2 or a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 3, it is characterized in that: the stiff end of described flanging cylinder is provided with connecting plate.
7. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 1, is characterized in that: the piston rod end face of described flanging cylinder is provided with blank holder.
8. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 7, it is characterized in that: the upper surface of described die is provided with locating piece, described locating piece is arranged at the position of corresponding described blank holder, when described punch carries out drawing extruding to alloy plate material, the side end of described alloy plate material is fixedly clamped by described blank holder and locating piece.
9. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 1, it is characterized in that: the both sides of described punch assemblies are provided with main guiding mechanism, described main guiding mechanism is guide colume type or guide tracked or column, and in described punch assemblies, the two ends of walking beam are arranged on described main guiding mechanism.
10. a kind of hydraulic test be shaped for aluminium alloy drawing extrusion cladding according to claim 1, it is characterized in that: the both sides of described flanging cylinder are provided with limit cylinder guiding mechanism, described limit cylinder guiding mechanism is guide colume type or guide tracked or column, and the piston rod two ends of described flanging cylinder are arranged on described limit cylinder guiding mechanism.
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