CN115740069A

CN115740069A - Semi-closed tubular aluminum profile hot extrusion die

Info

Publication number: CN115740069A
Application number: CN202211493728.3A
Authority: CN
Inventors: 任志刚
Original assignee: Suzhou Wotaier Precision Die Machinery Co ltd
Current assignee: Suzhou Wotaier Precision Die Machinery Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-07

Abstract

The invention discloses a semi-closed tubular aluminum profile hot extrusion die which comprises a base, wherein a lower die is movably arranged at the top of the base, four groups of hydraulic cylinders which are arranged in a square shape are fixedly arranged at the top of the base, top plates are fixedly arranged at the telescopic ends of the four groups of hydraulic cylinders, a linking disc is arranged at the top of each top plate, the bottom of each linking disc is in threaded connection with a threaded column, an upper module assembly is fixedly arranged at the bottom of each threaded column, four groups of cavities which are uniformly arranged are formed in the top of the lower die, two groups of upright plates which are arranged side by side are fixedly arranged at the top of the base, and one opposite sides of the two groups of upright plates are fixedly connected with electric telescopic rods. The upper die and the lower die can be correspondingly replaced according to the form and specification of the tubular aluminum profile required to be extruded, the cooling forming efficiency of the aluminum profile is better during hot extrusion, and meanwhile, the aluminum material overflowing from the upper surface of the lower die is convenient to clean.

Description

Semi-closed tubular aluminum profile hot extrusion die

Technical Field

The invention relates to the technical field of extrusion dies, in particular to a semi-closed tubular aluminum profile hot extrusion die.

Background

The extrusion die is a machining die through extrusion section bar in order to reach specific shape, the extrusion is the means that the section bar takes shape, it is earlier according to section bar product section design, match corresponding mould, utilize the extruder to extrude the shaping from the mould with the section bar raw materials that heat, later through cooling down the design, present stage is along with people to the shape requirement of aluminium alloy more and more complicated and diversified, traditional processing mode can't satisfy current aluminium alloy processing needs already, so need use an extrusion die to process.

However, because people have to change and set up two sets of moulds on the upper and lower matched with the shape of the aluminium section frequently because of the requirement for the diversity of the shape of the aluminium section, and in the overall structure of the existing aluminium section extrusion mould, the two sets of moulds on the upper and lower are mostly in the form of fixed assembly or locking by a plurality of groups of screws with the extrusion equipment, the overall change is inconvenient, and the diversity of the overall structure processing of the extrusion mould is difficult to meet, so the existing requirement is not met, and a semi-closed tubular aluminium section hot extrusion mould is provided.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

Disclosure of Invention

The invention aims to provide a semi-closed tubular aluminum profile hot extrusion die to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a semi-enclosed tubulose aluminium alloy hot extrusion die, includes the base, the top movable mounting of base has the bed die, the top fixed mounting of base has four groups to be the pneumatic cylinder that the square was arranged, and four groups pneumatic cylinder evenly distributed around the bed die, four groups the flexible fixed mounting of pneumatic cylinder has the roof, linking disc is installed at the top of roof, and links up the inside that the bottom of disc runs through the roof, the bottom threaded connection who links up the disc has the screw thread post, the bottom fixed mounting of screw thread post has last module subassembly, four groups evenly arranged's die cavity is seted up at the top of bed die, the top fixed mounting of base has two sets of upright plates of arranging side by side, and is two sets of the equal fixedly connected with electric telescopic handle in one side that the upright plate is relative, and is two sets of the equal fixedly connected with limiting plate in flexible end of electric telescopic handle, and is two sets of the L type gomphosis strip is seted up two sets of mirror image arrangement around the top of limiting plate all, the equal movably connected with the arc board in both sides of bed die, and is two sets of equal fixedly mounted with the equal integrated plate that two sets of arranging around the opposite one set of arc type groove, and four groups the equal fixed mounting of the surface of the equal type L type gomphosis strip of the equal fixed mounting of the surface of a type of a group has L type groove, and is in the inside sliding connection in the space of four groups type L type groove.

As preferred, four groups of evenly arranged ring channels are seted up to the inside of bed die, and four group's ring channels cover four group's die cavities respectively in inside, four groups of rectangular circular slots that are the annular and arrange are seted up to the inside of bed die, four groups rectangular circular slots communicate with four group's ring channels respectively each other, and interval arrangement between four groups of rectangular circular slots and four group's ring channels, the top fixed mounting of base has refrigerating mechanism, refrigerating mechanism's structure includes the pipe, the quantity of pipe is two sets of, and two sets of pipes are arranged one on the other, and two sets of the front of pipe is fixed respectively and extends into the inside of two sets of rear ring channels.

Preferably, the structure of the refrigeration mechanism further comprises a refrigeration case, a storage plate, a circulating pump, a first telescopic pipe, a second telescopic pipe and a case cover, wherein the storage plate is fixedly arranged on one side of the refrigeration case, the circulating pump is arranged at the top of the storage plate, the input end of the circulating pump extends into the refrigeration case, the first telescopic pipe is fixedly connected to the output end of the circulating pump, the front face of the first telescopic pipe is fixedly connected with the tail end of a group of pipes above the front face of the first telescopic pipe through a flange, the second telescopic pipe is fixedly connected to the front face of the refrigeration case, the front face of the second telescopic pipe is fixedly connected with the tail end of a group of pipes below the front face of the second telescopic pipe through a flange, and the case cover is fixedly arranged at the top of the refrigeration case.

Preferably, a hidden groove is formed in the bottom of the lower die, a storage groove is formed in the top of the lower die, one end of the storage groove is communicated with the top of the hidden groove, and the top of the base is fixedly connected with a driving motor which is located inside the space of the hidden groove.

Preferably, the output end of the driving motor is fixedly connected with a rotating shaft, a cylinder is sleeved on the outer surface of the rotating shaft, a fastening nail is connected to one side of the cylinder in a threaded mode, one end of the fastening nail penetrates through the inside of the rotating shaft, the top of the cylinder is fixedly connected with an electric storage type electric push rod, a cylinder is fixedly connected with the telescopic end of the electric storage type electric push rod, a half-arc plate is fixedly mounted on the outer surface of the cylinder through screws, and an L-shaped conical shovel is fixedly mounted on one side of the half-arc plate.

As preferred, the notch has been seted up in the front of L type awl shovel, the back wall fixedly connected with spring of notch, the positive fixedly connected with stopper of spring, and the inner wall sliding connection of stopper and notch, the surface slip of L type awl shovel has cup jointed the clearance shovel, and the clearance shovel is located the stopper and is close to one side of half arc board.

Preferably, the bottoms of the two groups of arc-shaped plates are fixedly connected with a plurality of groups of pulleys, and the top of the lower die is provided with two groups of positioning holes which are arranged in a front-back manner.

As preferred, the structure of going up the module subassembly includes mould, reference column and hot extrusion mold core, it is in the bottom of screw post to go up mould fixed mounting, the quantity of reference column is two sets of, two sets of the equal fixed mounting of reference column is in the bottom of last mould, and two sets of reference columns are located the top of two sets of locating holes respectively, the quantity of hot extrusion mold core is four groups, four groups the equal fixed mounting of hot extrusion mold core is in the bottom of last mould, and four groups hot extrusion mold core respectively with four group's die cavity one-to-ones.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the upper die and the lower die can be replaced correspondingly according to the form and specification of the tubular aluminum profile required to be extruded, wherein the lower die is placed in the center position of the upper surface of the base, then two groups of limiting whole bodies which are matched with the model of the lower die and are composed of the arc-shaped plates, the integrated plate and the L-shaped embedding strips are selected, the limiting whole bodies are combined with the limiting plates in a mutual embedding mode of the L-shaped embedding strips and the L-shaped grooves, then the two groups of electric telescopic rods are synchronously operated to enable the two groups of electric telescopic rods to synchronously extend outwards so as to generate driving forces facing opposite directions for the two groups of limiting plates and the limiting whole bodies, so that the two groups of arc-shaped plates are respectively attached to two sides of the lower die, and then the purpose of limiting the position of the lower die on the base is achieved.

2. In the invention, the circulating pump is operated to drive the circulating pump to extract the cold-treated cooling liquid in the refrigerating cabinet, the cooling liquid is conveyed into the upper group of guide pipes through the first telescopic pipe and then flows along the spaces of the four groups of annular grooves and the four groups of long-strip circular grooves, so that cold air generated by the cooling liquid can act on the tubular aluminum profiles in the cavity space through the inner walls of the annular grooves, and the cold-treated cooling liquid circularly flows around the four groups of cavities, thereby achieving the purpose of cooling the tubular aluminum profiles after hot extrusion and accelerating the shaping of the tubular aluminum profiles.

3. According to the invention, after the tubular aluminum profile is extruded, the electric storage type electric push rod extends upwards for a set distance, the bottom of the L-shaped conical shovel is adjusted to be in the same height position with the top surface of the lower die through the cylinder and the semi-arc plate, and then the driving motor is operated in a matching manner to drive the rotating shaft to rotate towards the set direction, so that the cylinder, the semi-arc plate and the L-shaped conical shovel are driven to rotate together, and the L-shaped conical shovel rotates along the upper surface of the lower die to shovel aluminum materials overflowing from the inside of the die in time when the tubular aluminum profile is extruded.

4. According to the invention, the limiting block is retracted into the space of the notch along with the spring by pressing the limiting block, and then the cleaning shovel is pushed back and forth along the outer surface of the L-shaped tapered shovel to shovel off aluminum materials bonded on the outer surface of the L-shaped tapered shovel, so that the effect of next use of the L-shaped tapered shovel is effectively ensured.

Drawings

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

FIG. 2 is a schematic view of a disassembled structure of the limiting plate and the L-shaped embedded bar of the invention;

FIG. 3 is a schematic view of a cross-sectional structure of the lower mold of the present invention;

FIG. 4 is a schematic structural diagram of a refrigeration mechanism according to the present invention;

FIG. 5 is a schematic view of the installation structure of the column, the half-arc plate and the L-shaped tapered shovel of the present invention;

FIG. 6 is a schematic view of the split structure of the L-shaped conical shovel and the cleaning shovel of the invention;

FIG. 7 is a schematic structural diagram of a base, a lower mold and a refrigeration case according to the present invention;

fig. 8 is a schematic structural view of an upper module assembly of the present invention.

In the figure: 1. a base; 2. a lower die; 3. a hydraulic cylinder; 4. a top plate; 5. connecting the disks; 6. a threaded post; 7. an upper module assembly; 8. a cavity; 9. a vertical plate; 10. an electric telescopic rod; 11. a limiting plate; 12. an L-shaped groove; 13. an arc-shaped plate; 14. an integrated plate; 15. an L-shaped tabling strip; 16. an annular groove; 17. a long-strip circular groove; 18. a refrigeration mechanism; 19. a conduit; 20. a refrigeration cabinet; 21. a placement plate; 22. a circulation pump; 23. a first telescopic tube; 24. a second telescopic tube; 25. a box cover; 26. a hidden slot; 27. a receiving groove; 28. a drive motor; 29. a rotating shaft; 30. a cylinder; 31. an electric storage type electric push rod; 32. a cylinder; 33. a half-arc plate; 34. an L-shaped tapered shovel; 35. a spring; 36. a limiting block; 37. cleaning a shovel; 38. a pulley; 39. positioning holes; 40. an upper die; 41. a positioning column; 42. and (5) hot extruding the mold core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, an embodiment of the present invention is shown:

the utility model provides a semi-enclosed's tubulose aluminium alloy hot extrusion die, the on-line screen storage device comprises a base 1, base 1's top movable mounting has lower mould 2, base 1's top fixed mounting has four pneumatic cylinders 3 that are square arrangement, and four pneumatic cylinders 3 evenly distributed are around lower mould 2, four pneumatic cylinders 3's of group telescopic end fixed mounting has roof 4, linking disc 5 is installed at the top of roof 4, and the inside of roof 4 is run through to the bottom that links up disc 5, the bottom threaded connection that links up disc 5 has screw thread post 6, the bottom fixed mounting of screw thread post 6 has last module subassembly 7, four groups evenly arranged's die cavity 8 is seted up at the top of lower mould 2, base 1's top fixed mounting has two sets of upright plate 9 of arranging side by side, the equal fixedly connected with electric telescopic handle 10 in one side that two sets of upright plate 9 are opposite, the equal fixedly connected with limiting plate 11 of telescopic end of two sets of electric telescopic handle 10, two sets of L type groove 12 that mirror image was arranged around the top of two sets of limiting plate 11 all is seted up, the equal movably connected with arc plate 13 in the both sides of lower mould 2, two sets of equal fixedly connected with four groups of equal fixedly arranged integrative four groups of arc plate 13 of the opposite side fixed mounting has four group's of four group's gomphosis type gomphosis boards 14, the gomphosis type grooves 14, the gomphosis strips of four group 15 and the inside gomphosis of the gomphosis strip 15 of the gomphosis type groove of sliding bar 15.

When the device is used, the four groups of hydraulic cylinders 3 are operated synchronously to enable the device to contract downwards, a downward tensile force is generated on the top plate 4 to enable the connecting disc 5, the threaded column 6 and the upper module assembly 7 to move downwards, so that the bottom of the upper module assembly 7 extends into the space of four groups of cavities 8 formed in the top of the lower die 2, the cavities 8 are in a semi-closed tubular shape, and at the moment, aluminum materials in the space of the cavities 8 are extruded, so that the aluminum materials are adjusted to be in a set tubular shape;

specifically, in this extrusion die, upper and lower two sets of moulds can come corresponding change according to the form specification of the required extrusion's tubulose aluminium alloy, threaded column 6 is connected through the screw thread gomphosis between linking disc 5, so possess the detachability between the two, and place the bed die 2 of setting for the model in the central point of base 1, and make four group's die cavities 8 respectively with the position phase-match of upper module subassembly 7, then through select with 2 model assorted two sets of arc 13 of bed die, the spacing whole that integrated board 14 and L type gomphosis strip 15 constitute, later through aim at this spacing whole to the limiting plate 11 set up L type groove 12 directly over, and drive this spacing whole downstream, make two sets of L type gomphosis strips 15 gomphosis respectively inside the space of two sets of L type grooves 12, then through two sets of synchronous operation electric telescopic handle 10, make the two synchronous outwardly extending operation, for produce the driving force towards the relative direction to two sets of limiting plate 11, drive two sets of spacing whole downstream die 2 department and move, make two sets of arc 13 laminate respectively in the both sides of bed die 2 under the mould 2, then reach and compare the change the limit mould 2 on the position, the fixed purpose is dismantled more easily when changing the mould.

Four groups of uniformly arranged annular grooves 16 are formed in the lower die 2, four groups of cavities 8 are respectively covered by the four groups of annular grooves 16, four groups of annularly arranged long circular grooves 17 are formed in the lower die 2, the four groups of long circular grooves 17 are respectively communicated with the four groups of annular grooves 16, the four groups of long circular grooves 17 and the four groups of annular grooves 16 are arranged at intervals, a refrigerating mechanism 18 is fixedly installed at the top of the base 1, the refrigerating mechanism 18 comprises two groups of pipes 19, the two groups of pipes 19 are arranged one above the other, the front surfaces of the two groups of pipes 19 respectively fixedly extend into the two groups of rear annular grooves 16, the refrigerating mechanism 18 further comprises a refrigerating cabinet 20, a storage plate 21, a circulating pump 22, a first telescopic pipe 23, a second telescopic pipe 24 and a cabinet cover 25, the storage plate 21 is fixedly installed at one side of the refrigerating cabinet 20, the circulating pump 22 is installed at the top of the storage plate 21, the input end of the circulating pump 22 extends into the refrigerating cabinet 20, the first telescopic pipe 23 is fixedly connected with the tail end of the first telescopic pipe 19, the front surface of the first telescopic pipe 23 is fixedly connected with the tail end of the second telescopic pipe 19, and the front surface of the second telescopic pipe is fixedly connected with the lower cabinet 20 through a flange 24, and the front surface of the second telescopic pipe is fixedly connected with the lower cabinet 20.

The annular groove 16 is set to facilitate the temperature of the cooling liquid flowing in the space, and the cooling liquid can be directly transferred to the aluminum material in the space of the cavity 8, so as to shorten the time required by reducing the surface temperature of the tubular aluminum profile after hot extrusion molding, wherein the cooling liquid in the space is cooled by the refrigeration case 20, and then the circulation pump 22 is operated in a matching manner to draw the cooling liquid in the space of the refrigeration case 20, and the cooling liquid is conveyed to the upper group of the pipes 19 through the first extension pipe 23 and then enters the space of one group of the annular grooves 16, and along with the continuous operation of the circulation pump 22, the cooling liquid can flow along the spaces of the four groups of the annular grooves 16 and the four groups of the long circular grooves 17, so that cold air generated by the cooling liquid can act on the tubular aluminum profile in the space of the cavity 8 through the inner wall of the annular groove 16 to achieve the purpose of cooling, and then the cooling liquid flows to the space of the refrigeration case 20 along the other group of the lower pipes 19 and the second extension pipe 24, so as to achieve the purpose of circulation;

the storage plate 21 is set to provide a stable and proper assembly place for the circulating pump 22, the two groups of telescopic pipes have stretchability, and when the telescopic pipes are pulled, the comprehensive length can be changed correspondingly, so that the adaptability between the refrigeration mechanism 18 and different lower molds 2 is improved.

Hidden groove 26 has been seted up to the bottom of bed die 2, accomodate recess 27 has been seted up at the top of bed die 2, and the one end of accomodating recess 27 and the top of hidden groove 26 communicate each other, the top fixedly connected with driving motor 28 of base 1, and driving motor 28 is located inside the space of hidden groove 26, driving motor 28's output fixedly connected with pivot 29, drum 30 has been cup jointed to the surface of pivot 29, one side threaded connection of drum 30 has the binding nail, and the one end of binding nail runs through the inside of pivot 29, drum 30's top fixedly connected with electric power storage formula electric putter 31, electric power storage formula electric putter 31's flexible end fixedly connected with cylinder 32, cylinder 32's surface has half arc board 33 through screw fixed mounting, one side fixed mounting of half arc board 33 has L type awl shovel 34.

The diameter of the hidden groove 26 is larger than that of the driving motor 28, so that a sufficient assembly space is provided for the driving motor 28, after the tubular aluminum profile hot extrusion is completed, and the upper module assembly 7 is separated from the lower die 2, the storage type electric push rod 31 is operated to enable the storage type electric push rod to extend upwards for a set distance, then the cylinder 32, the half arc plate 33 and the L-shaped tapered shovel 34 are driven to move upwards together, so that the bottom of the L-shaped tapered shovel 34 and the top surface of the lower die 2 are located at the same height position, then the driving motor 28 is operated in a matched mode, the driving motor 28 is driven to drive the rotating shaft 29 to rotate towards a set direction, so that the cylinder 32, the half arc plate 33 and the L-shaped tapered shovel 34 are driven to rotate together, the L-shaped tapered shovel 34 rotates along the upper surface of the lower die 2 to shovel, and aluminum materials overflowing the inside the cavity 8 when the tubular aluminum profile is extruded are timely shoveled;

specifically, adopt the binding nail locking connection between drum 30 and the pivot 29, it is through taking off the binding nail, can dismantle between drum 30 and the pivot 29, conveniently change then, overhaul electric power storage formula electric putter 31, through screw fastening connection between half arc board 33 and the cylinder 32 simultaneously, possess the detachability equally between the two, conveniently change then and appear the L type awl shovel 34 of opening or edge rolling situation.

The notch has been seted up in L type awl shovel 34's front, the back wall fixedly connected with spring 35 of notch, spring 35's positive fixedly connected with stopper 36, and the inner wall sliding connection of stopper 36 and notch, L type awl shovel 34's surface slides and has cup jointed clearance shovel 37, and clearance shovel 37 is located stopper 36 and is close to one side of half arc board 33.

After the unnecessary aluminium material of 2 upper surfaces of bed die shovels out, through pressing stopper 36 for spring 35 receives the extrusion and inwards contracts, inside stopper 36 followed the space of receipts withdrawal notch simultaneously, then outwards promotes through will clearing up shovel 37, makes it promote the clearance to the aluminium material that bonds in L type awl shovel 34 surface, in order to avoid influencing the effect of next use L type awl shovel 34.

The bottom of two sets of arc 13 all fixedly connected with multiunit pulley 38, two sets of locating hole 39 of arranging around is seted up at the top of bed die 2, the structure of cope block subassembly 7 includes cope die-piece 40, reference column 41 and hot extrusion mold core 42, cope die-piece 40 fixed mounting is in the bottom of screw thread post 6, the quantity of reference column 41 is two sets of, two sets of reference column 41 are all fixed mounting in the bottom of cope die-piece 40, and two sets of reference column 41 are located the top of two sets of locating holes 39 respectively, the quantity of hot extrusion mold core 42 is four groups, four groups of hot extrusion mold core 42 are all fixed mounting in the bottom of cope die-piece 40, and four groups of hot extrusion mold core 42 respectively with four groups of die cavities 8 one-to-ones.

Pulley 38's settlement, can effectively avoid the direct and base 1's of bottom laminating of arc 13, then avoid base 1's upper surface to receive the produced friction when arc 13 removes, when last module subassembly 7 is down with bed die 2 pile, four hot extrusion mold cores 42 of group downwardly extending get into the space of four group's die cavities 8 respectively inside, two sets of reference columns 41 can extend the space that gets into two sets of locating holes 39 simultaneously inside to this effectively avoids the extrusion force degree too big to lead to die cavity 8 to warp.

The working principle is as follows: the lower die 2 is placed in the center of the upper surface of the base 1, then a limiting whole body consisting of an arc-shaped plate 13, an integrated plate 14 and an L-shaped embedded strip 15 is combined with a limiting plate 11, two groups of electric telescopic rods 10 are operated to cause the limiting whole body to extend outwards and generate pushing forces facing opposite directions on the limiting plate 11 and the arc-shaped plate 13, so that the two groups of limiting plates 11 achieve the purpose of limiting the position of the lower die 2, then an upper die 40 matched with the lower die 2 is combined with a linking disc 5 through a threaded column 6, then four groups of hydraulic cylinders 3 are synchronously operated to cause the lower die to contract downwards, a downward pulling force is generated on a top plate 4, the linking disc 5, the threaded column 6 and an upper module component 7 are caused to move downwards along with the upper die 2, and the bottom of the upper module component 7 extends into the space of four groups of cavities 8 formed in the top of the lower die 2, the aluminum material in the space of the cavity 8 is extruded, the aluminum material is gradually adjusted to a set tubular shape, at the moment, the refrigerated coolant in the space of the refrigeration case 20 is extracted through the refrigeration case 20 and the circulating pump 22 through the circulating pump 22, and is conveyed to the upper group of guide pipes 19 through the first telescopic pipe 23, and then circularly flows among the four groups of annular grooves 16, the four groups of strip-shaped circular grooves 17, the other group of guide pipes 19, the second telescopic pipe 24 and the refrigeration case 20, so that the time consumed for cooling and forming the aluminum profile in the cavity 8 is prolonged, after the aluminum profile is formed, the four groups of hydraulic cylinders 3 are restored to the original state, the upper die 40 is gradually separated from the lower die 2, and at the moment, the electric storage type electric push rod 31 and the driving motor 28 are operated in a matching manner, so that the bottom of the L-shaped tapered shovel 34 and the top surface of the lower die 2 are at the same height position, then the aluminum material spills over the inside of the cavity 8 in time when extruding the tubular aluminum section is shoveled by rotating along the upper surface of the lower die 2.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a semi-enclosed tubulose aluminium alloy hot extrusion die, includes the base, its characterized in that: the top of the base is movably provided with a lower die, the top of the base is fixedly provided with four groups of hydraulic cylinders which are arranged in a square shape, the four groups of hydraulic cylinders are uniformly distributed around the lower die, telescopic ends of the four groups of hydraulic cylinders are fixedly provided with a top plate, the top of the top plate is provided with a linking disc, the bottom of the linking disc penetrates through the inside of the top plate, the bottom of the linking disc is in threaded connection with a threaded column, the bottom of the threaded column is fixedly provided with an upper die block component, the top of the lower die is provided with four groups of cavities which are uniformly arranged, and the top of the base is fixedly provided with two groups of vertical plates which are arranged side by side, two sets of the equal fixedly connected with electric telescopic handle in the relative one side of board of standing vertically, two sets of the equal fixedly connected with limiting plate in electric telescopic handle's the flexible end, two sets of the L type groove that the mirror image was arranged around two sets of are all seted up at the top of limiting plate, the equal swing joint in both sides of bed die has the arc, and is two sets of the equal fixed mounting in the opposite one side of arc has the integrative board of arranging around two sets of, four sets of the equal fixed mounting in surface of integrative board has L type gomphosis strip, and four sets of L type gomphosis strips sliding connection of group are inside the space in four L type grooves of group.

2. The semi-enclosed tubular aluminum profile hot extrusion die as claimed in claim 1, wherein: the inside of bed die sets up four groups of evenly arranged's ring channels, and four group's ring channels cover four group's die cavities respectively in inside, four groups of rectangular circular slots that are the annular and arrange are seted up to the inside of bed die, four groups rectangular circular slots communicate with four group's ring channels each other respectively, and interval arrangement between four group's rectangular circular slots and four group's ring channels, the top fixed mounting of base has refrigerating mechanism, refrigerating mechanism's structure includes the pipe, the quantity of pipe is two sets of, and two sets of pipes are one on one and arrange, two sets of the front of pipe is fixed respectively and extends the inside that gets into two sets of rear ring channels.

3. The semi-enclosed tubular aluminum profile hot extrusion die as claimed in claim 2, wherein: refrigerating mechanism's structure still includes the refrigeration machine case, puts thing board, circulating pump, first flexible pipe, the flexible pipe of second and case lid, put thing board fixed mounting in one side of refrigeration machine case, the circulating pump is installed at the top of putting the thing board, and the input of circulating pump extends the inside that gets into the refrigeration machine case, first flexible pipe fixed connection is at the output of circulating pump, and the front of first flexible pipe and the tail end that wherein a set of pipe above pass through flange fixed connection, the flexible pipe fixed connection of second is in the front of refrigeration machine case, and the front of the flexible pipe of second and the tail end that a set of pipe below pass through flange fixed connection, case lid fixed mounting gives the top at the refrigeration machine case.

4. The semi-enclosed tubular aluminum profile hot extrusion die as set forth in claim 1, wherein: the bottom of bed die has been seted up conceals the groove, the top of bed die has been seted up and has been accomodate the recess, and the one end of accomodating the recess communicates with the top in concealing the groove each other, the top fixedly connected with driving motor of base, and driving motor is located the space in concealing the groove inside.

5. The semi-enclosed tubular aluminum profile hot extrusion die as claimed in claim 4, wherein: the utility model discloses a rotary electric machine, including driving motor, drum, fastener, screw, top fixedly connected with electric power storage formula electric putter, the flexible end fixedly connected with cylinder of electric power storage formula electric putter, the cylindrical surface has half arc board through screw fixed mounting, one side fixed mounting of half arc board has L type awl shovel, the surface of pivot has cup jointed the drum, one side threaded connection of drum has the fastener, and the one end of fastener runs through the inside of pivot, the top fixedly connected with electric power storage formula electric putter of drum, electric power storage formula electric putter's flexible end fixedly connected with cylinder, screw fixed mounting has half arc board to the cylindrical surface, one side fixed mounting of half arc board has L type awl shovel.

6. The semi-enclosed tubular aluminum profile hot extrusion die as claimed in claim 5, wherein: the notch has been seted up in the front of L type awl shovel, the back wall fixedly connected with spring of notch, the front fixedly connected with stopper of spring, and the inner wall sliding connection of stopper and notch, the surface of L type awl shovel slides and has cup jointed the clearance shovel, and the clearance shovel is located the stopper and is close to one side of half arc board.

7. The semi-enclosed tubular aluminum profile hot extrusion die as claimed in claim 1, wherein: the bottom of the arc plates is fixedly connected with a plurality of groups of pulleys, and the top of the lower die is provided with two groups of positioning holes which are arranged in a front-back mode.

8. The semi-enclosed tubular aluminum profile hot extrusion die as set forth in claim 7, wherein: the structure of cope match-block pattern spare includes mould, reference column and hot extrusion mold core, it is in the bottom of screw thread post to go up mould fixed mounting, the quantity of reference column is two sets of, two sets of the equal fixed mounting of reference column is in the bottom of last mould, and two sets of reference columns are located the top of two sets of locating holes respectively, the quantity of hot extrusion mold core is four groups, four groups the equal fixed mounting of hot extrusion mold core is in the bottom of last mould, and four groups hot extrusion mold core respectively with four group's die cavity one-to-ones.