Extrusion assembly for connecting aluminum alloy extrusion die
Technical Field
The invention relates to the technical field of aluminum alloy extrusion dies, in particular to an extrusion assembly for connecting aluminum alloy extrusion dies.
Background
An alloy based on aluminum with a certain amount of other alloying elements added is one of light metal materials, which has good casting performance and plastic workability. Extrusion of aluminum alloys involves placing a metal blank in a container and applying pressure from one end to extrude it through a specific orifice to achieve the desired cross-sectional shape. The die is a variety of dies and tools used in industrial production for injection molding, extrusion, smelting, stamping and the like to obtain the required products, wherein the die comprises an aluminum alloy extrusion die.
However, the existing aluminum alloy extrusion die still has some defects in the use process, such as: in the extrusion production process of aluminum alloy, products with different section shapes are often produced, an extrusion die is required to be detached and replaced, the extrusion die is usually fixedly connected with an extrusion port through a positioning groove and a bolt, and the positioning and the detaching operations are relatively inconvenient during the installation; the aluminum alloy blank is softened by heating mass, and then is extruded and molded by an extrusion die, so that the extruded profile is not completely cooled, and certain bending deformation exists under the action of extrusion thrust and self gravity during extrusion, thereby influencing the quality of products.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an extrusion assembly for connecting an aluminum alloy extrusion die.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an extrusion subassembly for connecting aluminum alloy extrusion die, includes workstation and mould shell and mold core, workstation roof fixedly connected with locating plate, locating plate lateral wall fixedly connected with installation cover, installation cover lateral wall symmetry is seted up flutedly, every the inside equal sliding connection of recess has the stopper, every the equal symmetrical fixedly connected with spring of stopper lateral wall, every the spring other end all with the lateral wall fixed connection of place recess, every the equal sliding connection of recess lateral wall has the connecting rod, every the one end of connecting rod all with the one end fixed connection of stopper, the mould shell is ring-shaped structure, mold core and mould shell inside wall fixed connection, the spacing groove has been seted up to the mould shell lateral wall correspondence stopper symmetry.
Preferably, the locating hole has been seted up to the locating plate lateral wall, workstation roof fixedly connected with limit baffle, limit baffle lateral wall fixedly connected with baffle box, the baffle box other end and locating plate lateral wall fixed connection.
Preferably, the slide hole is offered to baffle box inner bottom wall, slide hole lateral wall fixedly connected with guide arm, guide arm lateral wall sliding connection has the slide bar, slide bar lateral wall fixedly connected with supports the piece, support the central line of piece, locating hole and mold core and all be in same horizontal position.
Preferably, the locating plate lateral wall fixedly connected with hydraulic push rod, hydraulic push rod's expansion end and slide bar's lateral wall fixed connection, workstation diapire symmetry fixedly connected with support.
Preferably, each connecting rod is arranged in a staggered mode with the spring, each limiting block is of a wedge-shaped structure, and handles are symmetrically and fixedly connected to the side wall of the die shell.
Preferably, a chute is formed in the top wall of the workbench, a screw is rotatably connected to the side wall of the chute, and a turning hand is fixedly connected to the other end of the screw after penetrating through the side wall of the chute.
Preferably, the screw side wall threaded connection has the movable block, the movable block offsets with the spout lateral wall and slides, movable block lateral wall fixed connection corrects the piece, correct a lateral wall and seted up and correct the hole, correct the hole lateral wall and rotate through the roller symmetry and be connected with a plurality of compression rollers.
Preferably, each roll shaft other end of the compression roller penetrates through the side wall of the correction hole and then is fixedly connected with a synchronous wheel, a plurality of synchronous wheels at the same horizontal position are connected with a synchronous belt in a mutual meshing mode, two roll shaft side walls of the compression roller at the same vertical position are fixedly connected with gears, two gears are connected in a meshing mode, one roll shaft end of the compression roller is fixedly connected with a motor, and one end of an output shaft of the motor is fixedly connected with one end of the roll shaft of the compression roller.
The invention has the following beneficial effects:
1. through setting up installation cover, recess, connecting rod, spring, stopper and spacing groove part, when extrusion die installs for the mould shell offsets with wedge structure's stopper lateral wall and slides, extrudees the stopper and makes its inside compression spring that slides to the recess, rotates extrusion die through the handle after extrusion die imbeds to offset with the locating plate lateral wall, makes the stopper slide to spacing groove department, and makes the stopper bullet go into in the spacing groove through the elasticity effect of spring, thereby can install the location to extrusion die. When products with different section shapes are produced, the limiting blocks are driven to slide out of the limiting grooves by pulling the connecting rods, so that the limiting of the extrusion die can be relieved, an operator can withdraw the extrusion die through the handle to replace the extrusion die, and the operation is convenient;
2. through setting up correction piece, compression roller, hold-in range, motor, synchronizing wheel and gear unit, drive the roll shaft of one of them compression roller to rotate through the motor, drive the compression roller counter-rotation from top to bottom under the meshing effect of two gears, and make the compression roller of the same horizontal position rotate in the same direction under the effect of synchronizing wheel and hold-in range, thus can straighten and carry the crooked section bar extruded under the effect of compression roller;
3. through setting up baffle box, hydraulic push rod, slide bar, slide opening, guide arm and supporting the piece part, when hydraulic push rod expansion end outwards stretched out, drove the slide bar and slided along the guide arm to the direction of keeping away from the locating plate, place on the baffle box after the aluminum alloy blank heats, then make hydraulic push rod inwards withdraw, drive and support the piece extrusion aluminum alloy blank, push into the locating hole with it and further with it extrusion molding from extrusion die.
Drawings
FIG. 1 is a schematic view of an extrusion assembly for connecting an aluminum alloy extrusion die according to the present invention;
FIG. 2 is an enlarged schematic view showing the structure of part A of an extrusion assembly for connecting an aluminum alloy extrusion die according to the present invention;
FIG. 3 is a schematic top view of a portion of a chute for use in connection with an extrusion assembly of an aluminum alloy extrusion die according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a segment of a correction block for use in connection with an extrusion assembly of an aluminum alloy extrusion die according to the present invention;
fig. 5 is a side view in cross-section of a portion of a guide channel in an extrusion assembly for connecting aluminum alloy extrusion dies in accordance with the present invention.
In the figure: 1 workbench, 2 support, 3 positioning plate, 4 positioning hole, 5 mounting sleeve, 6 mould shell, 7 mould core, 8 limit baffle, 9 guide chute, 10 slide hole, 11 guide rod, 12 slide bar, 13 block, 14 hydraulic push rod, 15 handle 16 limit grooves, 17 grooves, 18 springs, 19 connecting rods, 20 sliding grooves, 21 lead screws, 22 turning hands, 23 moving blocks, 24 correction blocks, 25 gears, 26 motors, 27 synchronous wheels, 28 synchronous belts, 29 correction holes, 30 compression rollers and 31 limit blocks.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-5, an extrusion assembly for connecting an aluminum alloy extrusion die comprises a workbench 1, a die shell 6 and a die core 7, wherein a locating plate 3 is fixedly connected to the top wall of the workbench 1, a mounting sleeve 5 is fixedly connected to the side wall of the locating plate 3, grooves 17 are symmetrically formed in the side wall of the mounting sleeve 5, limiting blocks 31 are fixedly connected to the inner side of each groove 17 in a sliding manner, springs 18 are symmetrically and fixedly connected to the side wall of each limiting block 31, the other end of each spring 18 is fixedly connected with the side wall of the corresponding groove 17, connecting rods 19 are fixedly connected to the side wall of each groove 17 in a penetrating manner, one end of each connecting rod 19 is fixedly connected with one end of each limiting block 31, the die shell 6 is of a circular ring-shaped structure, the die core 7 is fixedly connected to the inner side wall of the die shell 6, and limiting grooves 16 are symmetrically formed in the outer side wall of the die shell 6 corresponding to the limiting blocks 31.
The locating plate 3 lateral wall has seted up locating hole 4 for to-be-processed aluminum alloy blank fixes a position, makes it align with extrusion die, and workstation 1 roof fixedly connected with limit baffle 8, limit baffle 8 lateral wall fixedly connected with baffle box 9, baffle box 9 other end and locating plate 3 lateral wall fixed connection, limit baffle 8 are used for connecting baffle box 9, and baffle box 9 is used for placing the aluminum alloy blank after the heating.
The slide hole 10 has been seted up to baffle box 9 inner bottom wall, slide hole 10 lateral wall fixedly connected with guide arm 11, guide arm 11 lateral wall sliding connection has slide bar 12, slide bar 12 lateral wall fixedly connected with supports piece 13, under hydraulic push rod 14 drive, hydraulic push rod 14 expansion end outwards when stretching out, drive slide bar 12 along guide arm 11 to keeping away from the orientation of locating plate 3, place on baffle box 9 after the aluminum alloy blank heats, then make hydraulic push rod 14 inwards withdraw, drive and support piece 13 extrusion aluminum alloy blank, push into locating hole 4 and further with it from extrusion die extrusion molding, support piece 13, the central line of locating hole 4 and mold core 7 all is in same horizontal position, thereby make the aluminum alloy blank fix a position accurately, guarantee extrusion molding's section bar quality.
The locating plate 3 lateral wall fixedly connected with hydraulic push rod 14, the expansion end of hydraulic push rod 14 and the lateral wall fixed connection of slide bar 12, hydraulic push rod 14 is prior art, and unnecessary description here, workstation 1 diapire symmetry fixedly connected with support 2 for play the supporting role to workstation 1 and make workstation 1 follow ground lifting certain distance, be convenient for carry.
Every connecting rod 19 all misplaces with spring 18, and every stopper 31 is wedge structure to can extrude stopper 31 when making mould shell 6 inlay, make it to recess 17 inside slip compression spring 18, mould shell 6 lateral wall symmetry fixedly connected with handle 15, the location installation and the dismantlement of being convenient for extrusion mould change.
The top wall of the workbench 1 is provided with a chute 20, the side wall of the chute 20 is rotationally connected with a screw rod 21, the other end of the screw rod 21 penetrates through the side wall of the chute 20 and then is fixedly connected with a turning hand 22, the screw rod 21 can be driven to rotate by rotating the turning hand 22, so that a moving block 23 in threaded connection with the side wall of the screw rod can be driven to move, the distance between a correction block 24 and an installation sleeve 5 can be further adjusted, the correction block is far away from the installation sleeve 5 when an extrusion die is installed and removed, and the correction block is in abutting contact with the side wall of the extrusion die when extrusion processing is carried out.
The screw rod 21 lateral wall threaded connection has movable block 23, and movable block 23 offsets with spout 20 lateral wall and slides, avoids movable block 23 to produce when moving under the screw rod 21 drives and rotates, and movable block 23 lateral wall fixed connection corrects piece 24, corrects the piece 24 lateral wall and has seted up correction hole 29, corrects hole 29 lateral wall and is connected with a plurality of compression rollers 30 through the roll symmetry rotation, because aluminum alloy blank softens through heating mass, the section bar after extrusion molding through extrusion die does not cool down completely, and it has certain bending deformation under the action of gravity, can straighten out with fingers it and carry the processing through compression roller 30.
The other end of the roller shaft of each pressing roller 30 penetrates through the side wall of the correction hole 29 and then is fixedly connected with a synchronous wheel 27, a plurality of synchronous wheels 27 at the same horizontal position are connected with a synchronous belt 28 in a mutual meshing mode, the roller shaft side walls of two pressing rollers 30 at the same vertical position are fixedly connected with gears 25, the two gears 25 are connected in a meshing mode, one end of the roller shaft of one pressing roller 30 is fixedly connected with a motor 26, one end of an output shaft of the motor 26 is fixedly connected with one end of the roller shaft of the pressing roller 30, the roller shaft of one pressing roller 30 is driven to rotate through the motor 26, the upper pressing roller 30 and the lower pressing roller 30 are driven to reversely rotate under the meshing action of the two gears 25, and the pressing roller 30 at the same horizontal position is enabled to rotate in the same direction under the action of the synchronous wheels 27 and the synchronous belt 28.
According to the invention, an operator pushes the used extrusion die into the mounting sleeve 5, so that the die shell 6 and the side wall of the limit block 31 with a wedge-shaped structure are propped against and slide, the limit block 31 is extruded to enable the limit block 31 to slide towards the inside of the groove 17 to compress the spring 18, when the die shell 6 is pushed into the position propped against the side wall of the positioning plate 3, the handle 15 rotates the extrusion die to enable the limit block 31 to slide to the limit groove 16 formed in the side wall of the die shell 6, and the limit block 31 is enabled to spring into the limit groove 16 under the elastic force of the spring 18, so that the extrusion die can be mounted and positioned.
Product production of different section shapes is often carried out in the aluminum alloy extrusion production process, the extrusion die is required to be detached for replacement, when product production of different section shapes is carried out, the limiting block 31 is driven to slide out of the limiting groove 16 through the pulling connecting rod 19, so that the limiting of the extrusion die can be relieved, an operator can withdraw the extrusion die from the mounting sleeve 5 through the handle 15 to replace the extrusion die, and the limiting block 31 is reset under the action of the spring 18 after the extrusion die is withdrawn, so that the extrusion die can be conveniently detached.
When the movable end of the hydraulic push rod 14 extends outwards, the slide rod 12 is driven to slide along the guide rod 11 in a direction away from the positioning plate 3, when extrusion processing is carried out, the aluminum alloy blank is softened through heating mass, then the aluminum alloy blank is placed on the guide chute 9, then the hydraulic push rod 14 is retracted inwards, the abutting block 13 is driven to extrude the aluminum alloy blank, the aluminum alloy blank is pushed into the positioning hole 4, and the aluminum alloy blank is further extruded from an extrusion die through the die core 7, so that the aluminum alloy blank reaches a certain section shape and size.
The aluminum alloy blank is softened by heating mass, then is extruded and molded by an extrusion die, and the extruded profile is not completely cooled, so that certain bending deformation exists under the action of extrusion thrust and self gravity during extrusion, the quality of a product is affected, and at the moment, the screw rod 21 is driven to rotate by rotating the rotating hand 22, so that the movable block 23 in threaded connection with the side wall of the movable block can drive the correction block 24 to move towards the direction of the mounting sleeve 5 and finally contact with the side wall of the mounting sleeve 5. Then, the motor 26 is started to drive the roll shafts of one of the press rolls 30 to rotate, the roll shafts of the two press rolls 30 in the same vertical direction can be driven to reversely rotate under the meshing action of the two gears 25, and meanwhile, the roll shafts of the press rolls 30 in the same horizontal direction can be driven to rotate in the same direction through the action of the synchronous wheels 27 and the synchronous belts 28, so that extruded sectional materials can enter the correction holes 29 formed in the side walls of the correction blocks 24, and the bent sectional materials are straightened and conveyed through the press rolls 30, and when the extrusion die is disassembled and assembled, the counter-rotating turning hand 22 enables the correction blocks 24 to be far away from the installation sleeve 5.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.