CN117086128A

CN117086128A - Aluminum product extruder

Info

Publication number: CN117086128A
Application number: CN202311119725.8A
Authority: CN
Inventors: 张凯; 刘大俊
Original assignee: Hubei Xingfu Aluminum Co ltd
Current assignee: Hubei Xingfu Aluminum Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2023-11-21

Abstract

The invention discloses an aluminum product extruding machine, which comprises an extruding rack, an extruding hydraulic device, an extruding die fixing seat, an extruding cylinder seat, an extruding die holder, an extruding front die, an extruding rear die, a belt conveyor, an extruding die replacing mechanism and an extruding die cleaning mechanism, wherein the extruding cylinder seat is arranged on the extruding front die; the extrusion die replacing mechanism comprises a lifting table, a rotating bracket, a first hydraulic telescopic cylinder and a rotating device, wherein the lifting table is lifted on the extrusion frame, the rotating bracket is rotated on the lifting table, and the first hydraulic telescopic cylinder is used for driving the lifting table to lift and the rotating bracket to rotate; the extrusion die cleaning mechanism comprises a cleaning table fixed on the extrusion frame, a second hydraulic telescopic cylinder fixed on the cleaning table, a die taking device connected with a second piston rod of the hydraulic telescopic cylinder, an extrusion die fixing frame and a lifting frame which slide and lift on the cleaning table, a clamping fixing device arranged on the extrusion die fixing frame, a lifting device and a moving device for driving the lifting frame to lift and the extrusion die fixing frame to move, and two ejector plates for fixing the lifting frame and an aluminum ejection waste rod. Advantages of the invention; and automatically removing residual aluminum scraps of the extrusion die.

Description

Aluminum product extruder

Technical Field

The invention relates to the technical field of aluminum profile processing, in particular to an aluminum extruder.

Background

In the extrusion processing of aluminum profiles, after extrusion molding of a certain number of aluminum bars is completed, more aluminum scraps (also called as "press residues") are accumulated in an extrusion die, so that molding is affected, even the die is completely blocked, and then a new die needs to be disassembled and replaced; the used mould needs to be cleaned up with aluminum scraps before being put on the machine again for reuse. At present, a mold is generally treated through a mold stewing process, and the principle is that the mold is placed into sodium hydroxide solution to dissolve aluminum in the mold, then the mold is taken out and cleaned, and a small amount of residual aluminum on the mold is cleaned and falls off. However, the mold-stewing process generally requires 6 to 8 hours, so that the mold-stewing process has the defects of long time, large sodium hydroxide consumption, complex operation, large labor intensity of workers and the like.

Disclosure of Invention

The invention aims to provide an aluminum extruder which has the effect of automatically removing residual aluminum scraps of an extrusion die.

The technical aim of the invention is realized by the following technical scheme: the utility model provides an aluminum product extruder, includes extrusion frame, fixed mounting in extrusion frame tail extrusion hydraulic equipment, fixed mounting in extrusion frame aircraft nose's extrusion die fixing base, but the back-and-forth movement set up the extrusion barrel seat between extrusion hydraulic equipment and extrusion fixing base, slidable mounting in extrusion die fixing base one side extrusion die holder, and detachable in extrusion die holder and front and back laminating extrusion front mould and extrusion back mould, install on the extrusion frame and move extrusion die holder into or shift out the band conveyer between extrusion barrel seat and the extrusion fixing base, extrusion frame is provided with extrusion die change mechanism and extrusion die cleaning mechanism in one side of extrusion die fixing base; the extrusion die replacing mechanism comprises a lifting table capable of lifting and sliding on the extrusion frame, a rotary support rotating on the lifting table, a first hydraulic telescopic cylinder fixed on the extrusion frame and driving the lifting table to lift up and down, and a rotary device arranged on the lifting table and driving the rotary support to rotate, wherein the rotary support is H-shaped, and one end of the belt conveyor extends into a notch of the rotary support;

the extrusion die cleaning mechanism comprises a cleaning table fixed on the extrusion frame and positioned on one side above the lifting table, a second hydraulic telescopic cylinder fixedly arranged on the cleaning table, a die taking device fixed at the front end of the second hydraulic telescopic cylinder, a pair of annular extrusion die fixing frames sliding on the cleaning table, a moving device for driving the two extrusion die fixing frames to be close to or far away from each other, clamping fixing devices respectively arranged on the opposite sides of the two extrusion die fixing frames and clamping the extrusion die, a lifting frame capable of lifting and lowering the cleaning table, a lifting device for driving the lifting frame to lift up and down, two ejector plates for fixing the two ejector plates on two sides of the lifting frame, and aluminum scrap pushing rods respectively fixed on the opposite sides of the two ejector plates, wherein the piston rod of the second hydraulic telescopic cylinder and the die taking device horizontally penetrate through the two extrusion die fixing frames, a limit ring for the die taking device to pass through is fixedly arranged on one side of the extrusion die fixing frame close to the second hydraulic telescopic cylinder, the clamping fixing devices respectively clamp and fix the extrusion front die and the extrusion rear die, the two ejector plates are positioned on the opposite sides of the two extrusion die fixing frames, a gap for the two ejector plates to move between the two ejector plates, and the ejector plates are provided with the corresponding aluminum scrap pushing holes in the middle of the two ejector plates and the extrusion die fixing frames.

By adopting the technical scheme, when residual aluminum scraps in the extrusion die are required to be cleaned, firstly, the belt conveyor can drive the extrusion die holder provided with the extrusion front die and the extrusion rear die to be close to the extrusion front die and the extrusion rear die in the extrusion die holder, and simultaneously, the hydraulic telescopic cylinder on the extrusion frame can push the lifting platform to move upwards to enable the rotary frame to lift up, meanwhile, the rotating device can drive the rotary platform to rotate, the extrusion die holder of the extrusion die to be cleaned, which is just conveyed to one side of the rotary frame, and the extrusion die holder of the extrusion die, which is cleaned before, are subjected to position replacement, when the extrusion die holder of the extrusion die to be cleaned is lifted to one side of the die taking device, the hydraulic telescopic cylinder II can drive the die taking device to be close to the extrusion front die and the extrusion rear die in the extrusion die holder, and is simultaneously connected with the positioning holes on the extrusion front die and the extrusion rear die in the extrusion front die, and then the hydraulic telescopic cylinder II can lower the lifting platform to enable the extrusion die holder to be separated from the extrusion front die and the extrusion rear die in the extrusion front die, and simultaneously, and the extrusion die of the other extrusion die to be cleaned after the extrusion die holder is subjected to position replacement, and the extrusion die holder is automatically conveyed to the belt conveyor to the extrusion die, and the extrusion die holder is subjected to automatic molding and the extrusion die is replaced;

after the extrusion die is replaced, the second hydraulic telescopic cylinder on the cleaning table drives the die-taking device, the extrusion front die and the extrusion rear die connected with the die-taking device, and the two lifting devices drive the lifting frames to move downwards so that the two ejector plates respectively move to two sides of the two extrusion die fixing frames, and then the two extrusion die fixing frames are driven by the moving devices to move towards the direction away from each other after the die-taking device passes through the extrusion die fixing frames, the extrusion front die and the extrusion rear die are pulled out for a certain distance, and because the aluminum scrap pushing rods of the two ejection plates respectively correspond to the extrusion holes in the middle parts of the extrusion front die and the extrusion rear die, in the process of pulling out the extrusion front die and the extrusion rear die, the aluminum scrap pushing rods on one side of the two ejection plates penetrate into the extrusion holes of the extrusion front die and the extrusion rear die aluminum and gradually eject the residual aluminum scraps in the extrusion front die and the extrusion rear die aluminum, so as to achieve the effect of cleaning the interior of the extrusion die, after the aluminum scraps completely pass through the extrusion front die and the extrusion rear die, the moving device and the lifting device respectively drive the extrusion die fixing frame and the upgrading frame to restore the initial positions, simultaneously drive the cylinder II to push the die taking device to extend into the extrusion die fixing frame, connect and take out the extrusion front die and the extrusion rear die, and transfer the extrusion front die to the right above the extrusion die holder, and finally, when the hydraulic telescopic cylinder drives the lifting table and the rotating bracket for a second time, the extrusion front die and the extrusion rear die return to the extrusion die holder again for replacement and use later.

The invention is further provided with: the rotating device comprises a rotating shaft fixed at the bottom of the rotating bracket and rotationally connected with the lifting platform, a worm wheel fixedly arranged on the rotating shaft, a worm rotationally arranged on the lifting platform and meshed with the worm wheel, and a servo motor fixedly arranged on the lifting platform and connected with the worm at the output end, wherein a cavity I is formed in the lifting platform, the rotating shaft and the output end of the servo motor respectively rotate and penetrate into the cavity I, and the worm wheel and the worm are positioned in the cavity I for internal meshing transmission.

Through adopting above-mentioned technical scheme, when needs drive runing rest rotation, at first servo motor on the elevating platform can drive the worm rotatory, worm meshing transmission worm wheel is rotatory then, and finally the worm wheel drives rotation axis and runing rest and together rotate, and then cooperates the flexible jar of hydraulic pressure one to realize runing rest limit lift limit rotatory effect.

The invention is further provided with: the die taking device comprises a circular die taking plate and a plurality of positioning pins which are fixed on the die taking plate and correspond to the positioning holes of the extrusion front die and the extrusion rear die, the die taking plate and the inner ring of the extrusion die fixing frame are coaxial, and the outer diameter of the die taking plate does not exceed the inner diameter of the limit ring.

By adopting the technical scheme, the extrusion front die and the extrusion rear die can be effectively taken out or put in from the extrusion die holder or the extrusion die fixing frame.

The invention is further provided with: the movable device comprises a first rotating shaft, a driving gear, a first rack, a first driven gear, a second rack and a third rack, wherein the first rotating shaft is rotated on a cleaning table and is perpendicular to a second piston rod of a hydraulic telescopic cylinder, the driving gear is fixedly installed in the middle of the first rotating shaft, the first rack is vertically fixed on one side, away from a locating pin, of a template and is meshed with the driving gear, the first driven gear is respectively fixedly installed on two ends of the first rotating shaft, the second rack and the third rack are respectively fixedly connected with two extrusion die fixing frames and are respectively meshed with the first driven gear, the first rotating shaft is located between a lifting frame and the second hydraulic telescopic cylinder, the second rack and the third rack are respectively located on the upper side and the lower side of the first rotating shaft, the first rack is respectively meshed with the first driven gear, a mounting plate for installing the second hydraulic telescopic cylinder is fixedly arranged on the cleaning table, and an opening for the first rack to pass is formed in the mounting plate.

Through adopting above-mentioned technical scheme, when getting the template put into extrusion front mould and extrusion back mould extrusion die mount to withdraw from simultaneously behind the elevating scope of crane, hydraulic telescoping cylinder one still can continue to drive and get the template and keep away from extrusion die mount and crane, and in this process, rack one can mesh the rotation of transmission driving gear, then driving gear then can drive rotation axis one for two driven gear one on the rotation axis one mesh transmission rack two and rack three respectively, because rack two and rack three are located the upper and lower both sides of axis of rotation one respectively, rack two and rack three will drive two extrusion die mounts respectively and keep away from each other.

The invention is further provided with: the lifting frame is a square frame, the two extrusion die fixing frames are located in the middle of the lifting frame, the lifting device comprises four guide posts I which are vertically fixed on the cleaning table and pass through four corners of the lifting frame in a sliding mode, two support plates which are fixedly connected with the upper ends of the two pairs of guide posts respectively, and lifting cylinders which are fixedly installed on the two support plates respectively.

Through adopting above-mentioned technical scheme, can ensure the accurate stable elevating movement of crane.

The invention is further provided with: the clamping and fixing device comprises a second rotating shaft, a clamping rubber column and a rotating assembly, wherein the second rotating shaft is connected to one side of the extrusion die fixing frame, the clamping rubber column is fixed at one end of the second rotating shaft, the rotating assembly is used for driving the second rotating shaft to rotate, the rotating shaft evenly surrounds the axis of an inner ring of the extrusion die, the clamping rubber column is eccentrically connected with the second rotating shaft, the axis of the clamping rubber column is parallel to the upper portion of the axis of the second rotating shaft, a second cavity is formed in the extrusion die fixing frame, one end of the second rotating shaft rotates to penetrate into the second cavity, and the rotating assembly is installed in the second cavity.

Through adopting above-mentioned technical scheme, when needing to press from both sides tight fixed extrusion front mould or extrusion back mould, at first rotating assembly can drive the rotation axis two rotatory for the tight rubber column of clamp that is connected of rotation axis two one end is rotatory together, because the tight rubber column eccentric connection of clamp the rotation axis two, and the axial lead parallel that clamps the rubber column is located the top of rotation axis two axial leads, consequently after half circle is rotated to all rotation axis two, all clamp the rubber column and keep away from the furthest part of rotation axis two axial leads, will hug closely firmly on the lateral wall of extrusion front mould or extrusion back mould to this will press from both sides tight and press from both sides the die holder with extrusion front mould and extrusion back mould.

The invention is further provided with: the rotating assembly comprises a rotating ring which rotates in the cavity and is coaxial with the inner ring of the extrusion die fixing frame, an outer gear ring and an inner gear ring which are respectively fixed on the inner side and the outer side of the rotating ring, a driven gear II which rotates on a rotating shaft II and is positioned in the cavity and is meshed with the inner gear ring, a guide post II which is fixed on the lifting frame and is parallel to the rotating shaft II, a guide sliding sleeve which is sleeved on the guide post II in a sliding manner, and a rack IV which is fixed at the lower end of the guide sliding sleeve and vertically penetrates into the cavity II and is meshed with the outer gear ring.

Through adopting above-mentioned technical scheme, when crane decline aluminium waste material ejecting device, rack IV will stretch into in the cavity of extrusion die mount under the promotion of guide post II to the meshing transmission external tooth ring is rotatory simultaneously, and the external tooth ring passes through the swivel becket and drives the annular gear rotation afterwards, makes the driven gear II of all axis of rotation two one ends of annular gear meshing transmission, and finally all axis of rotation II will synchronous rotation, makes the tight rubber column of clamp that connects respectively, and the extrusion front mould or the extrusion back mould inside the extrusion die mount clamp jointly.

The invention is further provided with: the cleaning table is located the extrusion die fixed bolster below and has seted up aluminium waste material discharge gate, the extrusion frame is located aluminium waste material discharge gate below and is provided with aluminium waste material collecting box, cleaning table is located aluminium waste material discharge gate department fixed mounting has a pair of horizontally guide post III, the guide post III slides perpendicularly respectively and passes the lower part of two extrusion die fixed shelves.

By adopting the technical scheme, the aluminum waste ejected from the centralized extrusion front die and the extrusion rear die can be quickly recovered, and the sliding stability of the extrusion die fixing frame is further ensured.

The invention is further provided with: the lifting platform is characterized in that a pair of guide posts IV are vertically and fixedly arranged at the bottom of the lifting platform, and the guide posts IV are parallel to two sides of the first hydraulic telescopic cylinder and vertically slide through the extrusion frame.

Through adopting above-mentioned technical scheme, can further ensure the lift stability of elevating platform.

The beneficial effects of the invention are as follows:

1. through elevating platform, runing rest etc. lift revolution mechanic in the extrusion die change mechanism, not only can realize the automatic change of extrusion die to guarantee going on in succession of extruder work, cooperation extrusion die cleaning mechanism in addition clean bench, die extraction device and extrusion die mount isotructure, can also disassemble the extrusion die that changes out voluntarily, and simultaneously with the mode of physics, clear away the taking out with its inside residual aluminium waste material, and then in reducing the human cost, can also effectively improve extrusion die's clean efficiency.

2. Through the structure of the second rotating shaft and the clamping rubber column in the clamping and fixing device, not only can the extrusion front die or the extrusion rear die clamp be fastened and fixed in the extrusion die fixing frame, but also the lifting power generated when the lifting cylinder drives the upgrading frame to lift can be fully utilized to convert into the rotating power required by the second rotating shaft, so that the energy utilization rate of the lifting cylinder is improved, and meanwhile, unnecessary driving control equipment is omitted, thereby effectively reducing the working energy consumption and the manufacturing cost of the cleaning mechanism.

3. Through the transmission structures such as the gear and the rack in the moving device, the power for the second driving of the hydraulic telescopic cylinder to take the movement of the template can be fully utilized, and the power for the second driving of the hydraulic telescopic cylinder to take the movement of the template is converted into the power for the second driving of the two extrusion die fixing frames to move away from or close to each other, so that the energy utilization rate of the second hydraulic telescopic cylinder is improved, unnecessary driving control equipment is omitted, and the working energy consumption and the manufacturing cost of the cleaning mechanism are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the structure of the extrusion die changing mechanism and the extrusion die cleaning mechanism of the present invention;

FIG. 3 is a schematic view of the die-extracting device, the moving device and the clamping and fixing device according to the present invention;

FIG. 4 is a schematic view of a rotary apparatus according to the present invention;

in the figure, 1, an extrusion frame; 2. extruding the hydraulic device; 3. the extrusion die fixing seat; 4. extruding the cylinder seat; 5. extruding a die holder; 51. extruding the front mould; 52. extruding a rear die; 6. a belt conveyor; 7. an extrusion die changing mechanism; 71. a lifting table; 711. a first cavity; 712. a guide post IV; 72. a rotating bracket; 73. a first hydraulic telescopic cylinder; 74. a rotating device; 741. a rotation shaft; 742. a worm wheel; 743. a worm; 744. a servo motor; 8. an extrusion die cleaning mechanism; 81. a cleaning table; 811. a mounting plate; 812. an aluminum waste discharge port; 813. a guide post III; 82. a hydraulic telescopic cylinder II; 83. a die taking device; 831. taking a template; 832. a positioning pin; 84. an extrusion die fixing frame; 841. a limit ring; 842. a cavity II; 85. a mobile device; 851. a first rotating shaft; 852. a drive gear; 853. a first rack; 854. a driven gear I; 855. a second rack; 856. a third rack; 86. clamping and fixing device; 861. a second rotating shaft; 862. clamping a rubber column; 863. a rotating assembly; 863a, a rotating ring; 863b, outer gear ring; 863c, ring gear; 863d, driven gear two; 863e, guide post two; 863f, guiding sliding sleeve; 863g, rack four; 87. a lifting frame; 88. a lifting device; 881. a first guide post; 882. a support plate; 883. a lifting cylinder; 89. an ejector plate; 891. pushing an aluminum scrap rod; 9. and an aluminum waste collection box.

Detailed Description

The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

Examples: 1-4, an aluminum product extruding machine comprises an extruding machine frame 1, an extruding hydraulic device 2 fixedly arranged at the tail of the extruding machine frame 1, an extruding die fixing seat 3 fixedly arranged at the machine head of the extruding machine frame 1, an extruding cylinder seat 4 capable of moving back and forth between the extruding hydraulic device 2 and the extruding fixing seat, an extruding die seat 5 slidably arranged at one side of the extruding die fixing seat 3, and an extruding front die 51 and an extruding rear die 52 which are detachably arranged in the extruding die seat 5 and are attached back and forth, wherein a belt conveyor 6 for moving the extruding die seat 5 in or out between the extruding cylinder seat 4 and the extruding fixing seat is arranged on the extruding machine frame 1, and an extruding die replacing mechanism 7 and an extruding die cleaning mechanism 8 are arranged at one side of the extruding machine frame 1 positioned on the extruding die fixing seat 3; the extrusion die replacing mechanism 7 comprises a lifting table 71 which can slide on the extrusion frame 1 in a lifting manner, a rotary support 72 which rotates on the lifting table 71, a first hydraulic telescopic cylinder 73 which is fixed on the extrusion frame 1 and drives the lifting table 71 to lift up and down, and a rotary device 74 which is arranged on the lifting table 71 and drives the rotary support 72 to rotate, wherein the rotary support 72 is H-shaped, and one end of the belt conveyor 6 extends into a notch of the rotary support 72;

the extrusion die cleaning mechanism 8 comprises a cleaning table 81 fixed on the extrusion frame 1 and positioned on one side above the lifting table 71, a second hydraulic telescopic cylinder 82 fixedly arranged on the cleaning table 81, a die taking device 83 fixed on the front end of a piston rod of the second hydraulic telescopic cylinder 82, a pair of annular extrusion die fixing frames 84 sliding on the cleaning table 81, a moving device 85 driving the two extrusion die fixing frames 84 to mutually approach or separate, clamping fixing devices 86 respectively arranged on the opposite sides of the two extrusion die fixing frames 84 and clamping extrusion dies, lifting frames 87 capable of lifting and arranging on the cleaning table 81, lifting devices 88 driving the lifting frames 87 to lift up and down, two ejector plates 89 fixing the two sides of the lifting frames 87, and aluminum ejection waste rods 891 respectively fixed on the opposite sides of the two ejector plates 89, wherein the piston rod of the second hydraulic telescopic cylinder 82 and the die taking device 83 horizontally penetrate through the two extrusion die fixing frames 84, a limiting ring 841 for the two extrusion die fixing frames 84 to pass through is fixedly arranged on one side of the first extrusion die fixing frame 84, the clamping fixing devices 86 respectively clamp and fix the extrusion front die 51 and the extrusion rear die 52, the two ejector plates 89 are respectively positioned on the opposite sides of the two ejector plates 89, and the corresponding extrusion die fixing frames 84 are left with the middle parts of the two ejection plates 89.

By adopting the technical scheme, when residual aluminum scraps in an extrusion die are required to be cleaned, firstly, the belt conveyor 6 can convey the extrusion die holder 5 provided with the extrusion front die 51 and the extrusion rear die 52 from between the extrusion cylinder seat 4 and the extrusion die holder 5 to one side of the rotary support 72, then the first hydraulic telescopic cylinder 73 on the extrusion frame 1 can push the lifting table 71 to move upwards so as to enable the rotary support 72 to lift, meanwhile, the rotary device 74 can drive the rotary table to rotate, the extrusion die holder 5 to be cleaned, which is just conveyed to one side of the rotary support 72, and the extrusion die holder 5 to be cleaned, which is cleaned before, are replaced, when the extrusion die holder 5 to be cleaned is lifted to one side of the die extracting device 83, the second hydraulic telescopic cylinder 82 can drive the die extracting device 83 to be close to the extrusion front die 51 and the extrusion rear die 52 in the extrusion die holder 5, and simultaneously be simply connected with positioning holes on the extrusion front die 51 and the extrusion rear die 52, and then the first hydraulic telescopic cylinder 73 can descend the lifting table 71, so that the extrusion die holder 5 is separated from the extrusion front die 51 and the extrusion rear die 52 in the extrusion front die holder, and the extrusion cylinder 52, meanwhile, the belt conveyor 5 is cleaned, the extrusion die holder 5 is cleaned, and the extrusion die holder 5 is conveyed to the lower die holder is cleaned, and the extrusion die holder is cleaned, and is replaced;

after the replacement of the extrusion die, the second hydraulic telescopic cylinder 82 on the cleaning table 81 drives the die-taking device 83 to penetrate into the extrusion die fixing frame 84 on the cleaning table 81 together with the extrusion front die 51 and the extrusion rear die 52 connected with the die-taking device, and the limiting ring 841 only allowing the die-taking device 83 to pass through is arranged in the extrusion die fixing frame 84, so that after the die-taking device 83 penetrates out of the extrusion die fixing frame, the connection between the natural die-taking device 83 and the extrusion front die 51 and the extrusion rear die 52 is released, and the two dies are respectively reserved in the inner rings of the two extrusion die fixing frames 84, then the clamping and fixing device 86 on the extrusion die fixing frame 84 clamps and fixes the extrusion front die 51 or the extrusion rear die 52, and the lifting device 88 drives the lifting frame 87 to move downwards, so that the two ejection plates 89 are respectively moved to two sides of the two extrusion die fixing frames 84, then the moving device 85 drives the two extrusion die fixing frames 84 to move towards the direction away from each other to pull the extrusion front die 51 and the extrusion rear die 52 apart by a certain distance, and because the aluminum scrap pushing rods 891 of the two ejection plates 89 respectively correspond to the extrusion holes in the middle of the extrusion front die 51 and the extrusion rear die 52, during the pulling process of the extrusion front die 51 and the extrusion rear die 52, the aluminum scrap pushing rods 891 on one side of the two ejection plates penetrate into the extrusion holes of the aluminum of the extrusion front die 51 and the extrusion rear die 52 and gradually eject the residual aluminum scraps in the two extrusion front die 51 and the extrusion rear die 52, so as to achieve the effect of cleaning the interior of the extrusion die, after the aluminum scraps completely go from the extrusion front die 51 and the extrusion rear die 52, the moving device 85 and the lifting device 88 respectively drive the extrusion die fixing frames 84 and the upgrading frame to restore the initial positions, and simultaneously drive the cylinder II to push the die taking device 83 to extend into the extrusion die fixing frames 84 to connect and take out the extrusion front die 51 and the extrusion rear die 52, and transferred to the position right above the extrusion die holder 5, and finally, when the first hydraulic telescopic cylinder 73 drives the lifting table 71 and the rotary support 72 to ascend again, the extrusion front die 51 and the extrusion rear die 52 return to the extrusion die holder 5 again for subsequent replacement.

As shown in fig. 4, the rotating device 74 includes a rotating shaft 741 fixed at the bottom of the rotating bracket 72 and rotatably connected to the lifting platform 71, a worm wheel 742 fixedly mounted on the rotating shaft 741, a worm 743 rotatably mounted on the lifting platform 71 and engaged with the worm wheel 742, a servo motor 744 fixedly mounted on the lifting platform 71 and having an output end connected with the worm 743, a cavity one 711 is formed in the lifting platform 71, the output ends of the rotating shaft 741 and the servo motor 744 respectively rotate and penetrate into the cavity one 711, and the worm wheel 742 and the worm 743 are positioned in the cavity one 711 for engagement transmission.

As shown in fig. 2 and 3, the die-taking device 83 includes a circular die-taking plate 831, and a plurality of positioning pins 832 fixed on the die-taking plate 831 and corresponding to positioning holes of the front extrusion die 51 and the rear extrusion die 52, the die-taking plate 831 and the inner ring of the extrusion die holder 84 are coaxial, and the outer diameter of the die-taking plate 831 does not exceed the inner diameter of the limit ring 841, and by adopting the die-taking device 83 with the above structure, the effect of taking out or putting the front extrusion die 51 and the rear extrusion die 52 from the extrusion die holder 5 or the extrusion die holder 84 can be effectively achieved; the moving device 85 comprises a first rotating shaft 851 which rotates on the cleaning platform 81 and is perpendicular to a piston rod of the second hydraulic telescopic cylinder 82, a driving gear 852 which is fixedly arranged on the middle of the first rotating shaft 851, a first rack 853 which is vertically fixed on one side of the taking template 831 far away from the positioning pin 832 and is meshed with the driving gear 852, a pair of driven gears 854 which are respectively fixedly arranged on two ends of the first rotating shaft 851, a second rack 855 and a third rack 856 which are respectively fixedly connected with the two extrusion die fixing frames 84 and are respectively meshed with the two driven gears 854, the first rotating shaft 855 and the third rack 856 are respectively positioned on the upper side and the lower side of the first rotating shaft 851, and the first rack 855 and the third rack 856 are respectively meshed with the first driven gear 854, the first rack 855 and the third rack 853 are respectively driven by being fixedly arranged on the cleaning platform 81, and the mounting plate 811 is provided with an opening for the first rack 853 to pass through, by adopting the technical scheme, after the taking template 831 to extrude the front die 51 and the rear die 52 into the die fixing frames 84 and simultaneously withdraw from the lifting range of the lifting frame 87, the first rack 851 and the second rack 851 is simultaneously withdrawn from the lifting range 73, and the first rack 851 is further meshed with the first rack 851 and the second rack 853 is further rotatably meshed with the first driven rack 853, and the first rack 853 is further meshed with the first rack 853 and the first rack is driven by the first rack 853 and the second rack is respectively meshed with the first rack and the first rack 853.

As shown in fig. 2 and 3, the clamping and fixing device 86 includes a second rotating shaft 861 rotatably connected to one side of the extrusion die fixing frame 84, a clamping rubber column 862 fixed to one end of the second rotating shaft 861, a rotating component 863 for driving the second rotating shaft 861 to rotate, the rotating shaft uniformly surrounds the inner ring axis of the extrusion die, the clamping rubber column 862 is eccentrically connected with the second rotating shaft 861, the axis of the clamping rubber column 862 is parallel to the upper side of the axis of the second rotating shaft 861, a cavity second 842 is formed in the extrusion die fixing frame 84, one end of the second rotating shaft 861 is rotatably inserted into the cavity second 842, the rotating component 863 is mounted in the cavity second 842, when the extrusion front die 51 or the extrusion rear die 52 needs to be clamped and fixed, the rotating component 863 drives the second rotating shaft 861 to rotate at first, so that the connected clamping rubber column 862 at one end of the second rotating shaft 861 rotates together, and the axis of the clamping rubber column 862 is parallel to the upper side of the second 861, so that after all the second rotating shafts 861 rotate a half-circle, the whole rotating shaft 861 is pressed against the front die or the rear die 52, and the side wall of the extrusion die is pressed far from the front die 52.

As shown in fig. 3, the rotating assembly 863 includes a rotating ring 863a rotating in the cavity and coaxial with the inner ring of the extrusion die fixing frame 84, an outer ring 863b and an inner ring 863c fixed to the inner and outer sides of the rotating ring 863a, a driven gear 863d rotating on the second rotating shaft 861 and engaged with the inner ring 863c in the cavity, a second guide post 863e fixed to the lifting frame 87 and parallel to the second rotating shaft 861, a guide sliding sleeve 863f sliding on the second guide post 863e, and a fourth rack 863g fixed to the lower end of the guide sliding sleeve 863f and penetrating into the second cavity 842 vertically to engage with the outer ring 863 b. By adopting the above technical scheme, when the lifting frame 87 descends the aluminum waste ejection device, the fourth rack 863g is pushed by the second guide post 863e to extend into the cavity of the extrusion die fixing frame 84, and simultaneously the outer gear ring 863b is engaged and driven to rotate, then the outer gear ring 863b drives the inner gear ring 863c to rotate through the rotating ring 863a, so that the inner gear ring 863c is engaged and driven to rotate by the second driven gear 863d at one end of the second rotating shaft 861, finally, the second rotating shafts 861 synchronously rotate, so that the respective connected clamping rubber posts 862 jointly clamp the extrusion front die 51 or the extrusion rear die 52 inside the extrusion die fixing frame 84.

As shown in fig. 2 and 3, the lifting frame 87 is a square frame, and the two extrusion die fixing frames 84 are located in the middle of the lifting frame 87, the lifting device 88 comprises four guide posts 881 vertically fixed on the cleaning table 81 and sliding through four corners of the lifting frame 87, two support plates 882 fixedly connected with the upper ends of the two pairs of guide posts 881 respectively, and lifting cylinders 883 fixedly installed on the two support plates 882 respectively, piston rods of the lifting cylinders 883 vertically penetrate through the support plates 882 and are fixedly connected with the lifting frame 87, and by adopting the lifting frame 87 with the structure, accurate and stable lifting movement of the lifting frame 87 can be ensured; the cleaning table 81 is positioned below the extrusion die fixing support and provided with an aluminum waste discharge port 812, the extrusion frame 1 is positioned below the aluminum waste discharge port 812 and provided with an aluminum waste collecting box 9, a pair of horizontal guide posts III 813 are fixedly arranged at the position of the cleaning table 81 positioned at the aluminum waste discharge port 812, the guide posts III 813 vertically slide through the lower parts of the two extrusion die fixing frames 84 respectively, by adopting the technical scheme, the aluminum waste ejected from the centralized extrusion front die 51 and the extrusion rear die 52 can be rapidly recovered, and the sliding stability of the extrusion die fixing frames 84 is further ensured; the bottom of the lifting platform 71 is vertically and fixedly provided with a pair of guide posts four 712, the guide posts four 712 are positioned on two sides of the first hydraulic telescopic cylinder 73 in parallel, and vertically slide to pass through the extrusion frame 1, and the lifting stability of the lifting platform 71 can be further ensured through the connection structure of the guide posts four 712 and the extrusion frame 1.

Claims

1. The utility model provides an aluminum product extruder, includes extrusion frame (1), fixed mounting in extrusion hydraulic equipment (2) of extrusion frame (1) tail, fixed mounting in extrusion die fixing base (3) of extrusion frame (1) aircraft nose, but the back-and-forth movement set up extrusion barrel seat (4) between extrusion hydraulic equipment (2) and extrusion fixing base, slidable mounting is in extrusion die holder (5) of extrusion die fixing base (3) one side to and detachable in extrusion die holder (5) and extrusion front mould (51) and extrusion back mould (52) that laminate around, install on extrusion frame (1) move extrusion die holder (5) into or shift out belt conveyor (6) between extrusion barrel seat (4) and the extrusion fixing base, its characterized in that, extrusion frame (1) is provided with extrusion die change mechanism (7) and extrusion die cleaning mechanism (8) in one side of extrusion die fixing base (3);

the extrusion die replacing mechanism (7) comprises a lifting table (71) which can slide on the extrusion frame (1) in a lifting manner, a rotary support (72) which rotates on the lifting table (71), a first hydraulic telescopic cylinder (73) which is fixed on the extrusion frame (1) and drives the lifting table (71) to lift up and down, and a rotary device (74) which is arranged on the lifting table (71) and drives the rotary support (72) to rotate, wherein the rotary support (72) is H-shaped, and one end of the belt conveyor (6) extends into a notch of the rotary support (72);

the extrusion die cleaning mechanism (8) comprises a cleaning table (81) fixed on the extrusion frame (1) and positioned at one side above the lifting table (71), a second hydraulic telescopic cylinder (82) fixedly installed on the cleaning table (81), a die taking device (83) fixed at the front end of a piston rod of the second hydraulic telescopic cylinder (82), a pair of annular extrusion die fixing frames (84) sliding on the cleaning table (81), a moving device (85) driving the two extrusion die fixing frames (84) to be close to or far away from each other, a clamping fixing device (86) respectively arranged at one side opposite to the two extrusion die fixing frames (84) and used for clamping an extrusion die, a lifting device (88) capable of lifting and setting up the lifting frame (87) on the cleaning table (81), two ejector plates (89) driving the lifting frame (87) to lift up and down, a top aluminum waste rod (891) respectively fixed at one side opposite to the two ejector plates (89), the piston rod of the second hydraulic telescopic cylinder (82) and the die taking device (83) horizontally pass through the two die fixing frames (84), one side of the extrusion die (84) is provided with a limiting device for fixing a telescopic ring (83) through the fixing device, the clamping and fixing devices (86) of the two extrusion die fixing frames (84) respectively clamp and fix the extrusion front die (51) and the extrusion rear die (52), the two ejector plates (89) are positioned on one side of the two extrusion die fixing frames (84) opposite to each other, a gap for the extrusion die fixing frames (84) to move is reserved between the two ejector plates, and the top aluminum scrap rods (891) of the two ejector plates (89) respectively correspond to extrusion holes in the middle of the extrusion front die (51) and the extrusion rear die (52).

2. An aluminum extruder as recited in claim 1, wherein: the rotating device (74) comprises a rotating shaft (741) fixed at the bottom of the rotating bracket (72) and rotationally connected with the lifting platform (71), a worm wheel (742) fixedly installed on the rotating shaft (741), a worm (743) rotationally installed on the lifting platform (71) and meshed with the worm wheel (742), a servo motor (744) fixedly installed on the lifting platform (71) and with an output end connected with the worm (743), a cavity I (711) is formed in the lifting platform (71), the output ends of the rotating shaft (741) and the servo motor (744) respectively rotate and penetrate into the cavity I (711), and the worm wheel (742) and the worm (743) are located in the cavity I (711) for internal meshing transmission.

3. An aluminum extruder as recited in claim 1, wherein: the die taking device (83) comprises a circular die taking plate (831), a plurality of locating pins (832) which are fixed on the die taking plate (831) and correspond to locating holes of the front extrusion die (51) and the rear extrusion die (52), the die taking plate (831) and the inner ring of the extrusion die fixing frame (84) are coaxial, and the outer diameter of the die taking plate (831) does not exceed the inner diameter of the limit ring (841).

4. An aluminum extruder as recited in claim 1, wherein: the movable device (85) comprises a first rotating shaft (851) which rotates on a cleaning table (81) and is perpendicular to a piston rod of a second hydraulic telescopic cylinder (82), a driving gear (852) fixedly installed on the middle of the first rotating shaft (851), a first rack (853) which is vertically fixed on one side of a template taking plate (831) far away from a locating pin (832) and is meshed with the driving gear (852), a pair of first driven gears (854) which are respectively fixedly installed on two ends of the first rotating shaft (851), a second rack (855) and a third rack (856) which are respectively fixedly connected with two extrusion die fixing frames (84) and are respectively meshed with the first driven gears (854), the first rotating shaft (851) is located between a lifting frame (87) and the second hydraulic telescopic cylinder (82), the second rack (855) and the third rack (856) are respectively located on the upper side and the lower side of the first rotating shaft (851), the first rack (853) is respectively meshed with the first driven gears (854), the first mounting plate (811) is fixedly provided on the cleaning table (81) and is provided with an opening through the first rack (811).

5. An aluminum extruder as recited in claim 1, wherein: the lifting frame (87) is a square frame, the two extrusion die fixing frames (84) are located in the middle of the lifting frame (87), the lifting device (88) comprises four guide posts I (881) which are vertically fixed on the cleaning table (81) and pass through four corners of the lifting frame (87) in a sliding mode, two support plates (882) which are fixedly connected with the upper ends of the two pairs of guide posts I (881) respectively, lifting cylinders (883) which are fixedly installed on the two support plates (882) respectively, and piston rods of the lifting cylinders (883) vertically pass through the support plates (882) and are fixedly connected with the lifting frame (87).

6. An aluminum extruder as recited in claim 1, wherein: the clamping and fixing device (86) comprises a second rotating shaft (861) which is connected to one side of the extrusion die fixing frame (84) in a rotating mode, a clamping rubber column (862) which is fixed to one end of the second rotating shaft (861) and a rotating assembly (863) which drives the second rotating shaft (861) to rotate, the rotating shaft evenly surrounds the axis of the inner ring of the extrusion die, the clamping rubber column (862) is eccentrically connected with the second rotating shaft (861), the axis of the clamping rubber column (862) is parallel to the upper portion of the axis of the second rotating shaft (861), a second cavity (842) is formed in the extrusion die fixing frame (84), one end of the second rotating shaft (861) rotates to penetrate into the second cavity (842), and the rotating assembly (863) is installed in the second cavity (842).

7. An aluminum extruder as recited in claim 6, wherein: the rotary assembly (863) comprises a rotary ring (863 a) which rotates in the cavity and is coaxial with the inner ring of the extrusion die fixing frame (84), an outer gear ring (863 b) and an inner gear ring (863 c) which are respectively fixed at the inner side and the outer side of the rotary ring (863 a), a driven gear II (863 d) which rotates on a rotary shaft II (861) and is positioned in the cavity to be meshed with the inner gear ring (863 c), a guide post II (863 e) which is fixed on the lifting frame (87) and is parallel to the rotary shaft II (861), a guide sliding sleeve (863 f) which is sleeved on the guide post II (863 e) in a sliding manner, and a rack IV (863 g) which is fixed at the lower end of the guide sliding sleeve (863 f) and vertically penetrates into the cavity II (842) to be meshed with the outer gear ring (863 b).

8. An aluminum extruder as recited in claim 1, wherein: the cleaning table (81) is located the extrusion die fixed bolster below and has seted up aluminium waste material discharge gate (812), extrusion frame (1) are located aluminium waste material discharge gate (812) below and are provided with aluminium waste material collecting box (9), cleaning table (81) are located aluminium waste material discharge gate (812) department fixed mounting has a pair of horizontally guide post three (813), guide post three (813) vertically slide respectively and pass the lower part of two extrusion die fixed shelves (84).

9. An aluminum extruder as recited in claim 1, wherein: the bottom of the lifting table (71) is vertically and fixedly provided with a pair of guide posts IV (712), and the guide posts IV (712) are parallel to two sides of the first hydraulic telescopic cylinder (73) and vertically slide through the extrusion frame (1).