CN213103842U - Honeycomb tube extrusion die - Google Patents

Abstract

The embodiment of the utility model discloses honeycomb tube extrusion die. The utility model discloses a honeycomb tube extrusion die, include: go up mould and lower mould, go up the mould and be equipped with a plurality of diffluence orifices and integrative a plurality of projections that set up on last mould, the projection is regular hexagonal prism, and a plurality of projections set up at an interval each other, is equipped with on the lower mould and extrudes the hole, and a plurality of projections extend to and extrude downthehole, and a plurality of projections are used for and extrude the material that the hole cooperation made being extruded and be the honeycomb tubulose. The utility model discloses a honeycomb tube extrusion die shunts by extruded metal rod through last mould on set up the reposition of redundant personnel hole pair, later will be assembled by reposition of redundant personnel metal in the clearance of extruding hole and a plurality of projection, along with the continuation effect of extruder, the metal is extruded in the clearance with the projection and the extrusion hole respectively through the projection, obtains the honeycomb tube, the extrusion die simple structure of this application, is convenient for make.

Description

Honeycomb tube extrusion die

Technical Field

The utility model relates to an extrusion die technical field, concretely relates to honeycomb tube extrusion die.

Background

The extruder is the main equipment for producing light alloy pipe, rod and section, and features that the ingot or rod is processed into pipe, rod and section in one step.

Honeycomb tubes are generally used as radiating tubes due to their structural particularity. Because the honeycomb pipe is different from the structures of common aluminum profiles, pipes, bars and the like, the honeycomb pipe has more holes, so that the honeycomb pipe is difficult to manufacture.

The existing honeycomb tube mold has a complex structure, and the produced honeycomb tube has a thick thickness, influences the heat dissipation effect and has high cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a honeycomb pipe extrusion die, to being shunted by extruded metal rod through last mould on setting up the reposition of redundant personnel pore pair, later will be assembled by reposition of redundant personnel metal in the clearance of extruding hole and a plurality of projection, along with the continuation effect of extruder, the metal is extruded in the projection respectively with the projection and the clearance of extruding the hole, obtains the honeycomb pipe, the extrusion die simple structure of this application, the manufacturing of being convenient for.

The embodiment of the utility model provides a honeycomb tube extrusion die for the extrusion of metal, include: an upper die and a lower die;

the upper die is provided with a plurality of shunting holes and a plurality of convex columns integrally arranged on the upper die, the convex columns are regular hexagonal prisms, and the convex columns are arranged at intervals;

the lower die is provided with an extrusion hole;

the plurality of convex columns extend into the extrusion holes, and the plurality of convex columns are used for being matched with the extrusion holes to enable the extruded material to be in a honeycomb tubular shape.

Shunt by extruded metal rod through the reposition of redundant personnel hole, make the bed of material attenuation, later assemble the metal under a plurality of projections and the effect of extruding the hole, and under the continuation effect of extruder, get into projection and projection clearance and projection and extrude the metal in the hole clearance and continue to move forward, under the projection with extrude the effect of hole, the hollow tube that makes the obtaining is cellular, and the extrusion tooling's of this application simple structure, and the processing of being convenient for has solved the complicated problem of extrusion tooling structure among the prior art.

In a possible solution, the plurality of studs is arranged in three rows, and the number of studs in the first row and the third row is seven, and the number of studs in the second row is six. The first row of convex columns and the third row of convex columns are symmetrically arranged up and down, the second row of convex columns are arranged between the first row of convex columns and the third row of convex columns, and each convex column of the second row is arranged at the lower side of the middle position of each adjacent two convex columns of the first row, so that gaps among the convex columns are equal, and the honeycomb tube with a fixed shape can be obtained by the arrangement.

In one possible scheme, the shunting holes are arranged in three rows;

the first row and the third row are provided with three shunting holes, and the second row is provided with two shunting holes. Two diffluence hole bilateral symmetry settings on the second line, and two diffluence hole outer lane on the second line set up to the arc, and the diffluence hole of first line and third line is symmetry from top to bottom set up, and the diffluence hole symmetry setting on left diffluence hole of first line and right side, the diffluence hole in the middle of the first line sets up between two parties, sets up like this and makes the mould fall into eight with the metal rod and welds, makes the honeycomb pipe of extruding compacter firm.

In a possible scheme, a central shunting hole is further formed in the middle of the second row and communicated with the gaps of the multiple convex columns. Set up central diffluence hole in the middle of the second line, and central diffluence hole sets up in the middle of diffluence hole of first line and third line diffluence hole from top to bottom, controls and sets up in the middle of the diffluence hole of second line, and one side that central diffluence hole is close to the lower mould is linked together with the clearance between the projection, sets up in the metal that central diffluence hole more is convenient for by the reposition of redundant personnel moves to the clearance between projection and the projection, is convenient for obtain the even honeycomb tube of texture.

In a possible scheme, the multiple convex columns are arranged in the middle of the three rows of branch flow holes, the three rows of branch flow holes are obliquely arranged close to the side walls of the convex columns, and the obliquely arranged side walls are used for assisting the branch flow holes to cut the material on the rear side to move into the gaps of the multiple convex columns. The side wall of the inclined shunting hole is convenient for the shunted metal to move towards the gap between the convex column and the convex column.

In a feasible scheme, an expansion part is arranged on the convex column, and the expansion part is in a regular hexagon shape. Set up the inflation portion, it is great to make the projection that is close to last mould and the clearance between the projection, and the aluminium bar of being convenient for carries out the secondary extrusion to extrusion moulding's honeycomb tube by the inflation portion again to the clearance internal motion of projection and projection along with the motion of metal, makes the material of honeycomb tube more closely knit, is convenient for reduce the wall thickness of honeycomb tube moreover.

In one possible embodiment, the gap between the expansion parts is 1 mm. The arrangement ensures the clearance between the convex columns to ensure that the wall thickness between adjacent holes of the obtained honeycomb tube is 1mm, thereby saving the use amount of raw materials and reducing the manufacturing cost.

In a feasible scheme, a groove is formed in the lower die, the groove is formed in the periphery of the extrusion hole, and the groove is used for butting the plurality of shunting holes. Set up like this and can assemble the metal of being shunted, make metal material's texture more even on the one hand, on the other hand can change the direction of motion of the metal of being shunted, supplementary metal of being shunted moves to the clearance between convex column and the convex column.

In a feasible scheme, the upper die and the lower die are respectively provided with a convex ring and a clamping groove, and the convex ring and the clamping groove are mutually matched. By the arrangement, metal can be prevented from flowing out from the gaps of the contact surfaces of the die core and the upper die and the lower die respectively.

In one possible solution, a distance from at least one outermost lug of the plurality of lugs to the extrusion hole is different from distances from the rest of the lugs to the extrusion hole. Set up like this, set up different thicknesses with the lateral wall in the honeycomb pipe outside, can set up the thickening of lateral wall as required, be convenient for strengthen the structural strength of honeycomb pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of an explosion structure of an extrusion die in an embodiment of the present invention;

fig. 2 is a left side view structure diagram of the upper mold in the embodiment of the present invention;

fig. 3 is a schematic diagram of a right-view structure of an upper mold in the embodiment of the present invention;

fig. 4 is a left side view structure diagram of the lower mold in the embodiment of the present invention;

FIG. 5 is a schematic sectional view of an extrusion die according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an upper mold according to an embodiment of the present invention.

Reference numbers in the figures:

1. an upper die; 2. a lower die; 3. a convex column; 4. a shunt hole; 5. an extrusion orifice; 6. an expansion part; 7. a groove; 8. a convex ring; 9. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

The honeycomb tube extrusion die in the prior art is usually complex in die arrangement due to the fact that the hollow holes of the honeycomb tube are more, inconvenient to process and high in die processing and manufacturing cost, and the wall thickness between the hollow holes of the honeycomb tube in the prior art is thick, so that the heat dissipation effect of the honeycomb tube is influenced, and the material use cost is improved.

Fig. 1 is the embodiment of the utility model provides an in the embodiment of the utility model discloses extrusion die's explosion structure schematic diagram, fig. 2 is the embodiment of the utility model provides an in the embodiment of the left side view structure schematic diagram of last mould, fig. 3 is the embodiment of the utility model provides an in the embodiment of the right side view structure schematic diagram of last mould, fig. 4 is the embodiment of the utility model provides an in the embodiment of the left side view structure schematic diagram of lower mould, fig. 5 is the embodiment of the utility model provides an in the embodiment of the section structure schematic diagram of extrusion die. As shown in fig. 1 to 6, the honeycomb tube extrusion die of the present embodiment includes: go up mould 1 and lower mould 2, go up mould 1 and be equipped with a plurality of diffluence orifices 4 and a plurality of projections 3 of integrative setting on last mould 1, projection 3 is regular hexagonal prism, and a plurality of projections 3 set up at an interval each other, is equipped with on lower mould 2 and extrudes hole 5, and a plurality of projections 3 extend to extrude in the hole 5, and a plurality of projections 3 are used for and extrude 5 cooperations of hole and make the material of being extruded be the honeycomb tubulose.

Specifically, the extrusion die is used together with an extruder when in use, for example, when an aluminum product is processed, the extrusion die is placed at a fixed position of the extruder, a heated aluminum bar is placed on one side of an upper die 1, the aluminum bar is extruded into the die by an extrusion column of the extruder, and a profile with a fixed shape can be obtained, in the embodiment, the extrusion die is horizontally arranged, the upper die 1 is arranged on the left side, the lower die 2 is arranged on the right side, a plurality of convex columns 3 are arranged on the right end surface of the upper die 1, the convex columns 3 are arranged by surrounding a plurality of shunting holes 4, the right end surface of the convex columns 3 is flush with the right end surface of the lower die 2, the shunting holes 4 are all communicated with extrusion holes 5, when in use, the heated aluminum bar is pressed into the shunting holes 4 by the pressure of the extruder from the left side of the upper die 1, the aluminum bar cut by the shunting holes 4 moves to the convex columns 3 and the extrusion holes 5 to the right, along with the continuous action of the extruder, the aluminum bar gradually moves into the gaps between the convex column 3 and the extrusion holes 5 respectively, and then the honeycomb-shaped hollow pipe is extruded from the right side of the lower die 2.

Through the content difficult discovery, the honeycomb pipe extrusion die of the application, simple structure, the processing of being convenient for has solved the complicated problem of extrusion die structure among the prior art.

Further, a plurality of columns 3 are arranged in three rows, the number of the columns 3 in the first row and the number of the columns 3 in the third row are seven, and the number of the columns 3 in the second row is six.

In particular to this embodiment, in this embodiment, specifically say, in this embodiment, every projection 3 of second row all sets up the downside at the intermediate position of two adjacent projections 3 of first row, and every projection 3 of second row and the clearance between the adjacent projection 3 of upside and downside and the clearance between every two adjacent projections 3 of row equal, the projection 3 of first row and third is symmetry from top to bottom set up, a plurality of projections 3 that make three rows like this, the equal symmetry sets up about, make the honeycomb pipe that obtains of processing be convenient for deposit and make up the setting, and can make the wall thickness between each honeycomb hole of the honeycomb pipe that obtains equal, and is more pleasing to the eye, and the structure is more even, stable, make the radiating effect better.

Further, the diversion holes 4 are arranged in three rows, the first and third rows of diversion holes 4 are arranged in three, and the second row of diversion holes 4 is arranged in two.

Specific theory, in this embodiment, the reposition of redundant personnel hole 4 longitudinal symmetry of first line and third row sets up, and first line, the equal bilateral symmetry of reposition of redundant personnel hole 4 of second line and third row sets up, two reposition of redundant personnel hole 4 outsides of second line set up to the arc, reposition of redundant personnel hole 4 in the middle of first line and the third row sets up the rectangle, and the corner of rectangle sets up the arc chamfer, aluminium bar through reposition of redundant personnel is compacter when the seam like this, firm, and a plurality of reposition of redundant personnel hole 4 encircle around a plurality of projections 3, be more convenient for by the aluminium bar of reposition of redundant personnel to the clearance internal motion between projection 3 and the projection 3.

Furthermore, a central shunting hole 4 is arranged in the middle of the second row, and the central shunting hole 4 is communicated with gaps of the plurality of convex columns 3.

Specific speaking, in this embodiment, central diffluence hole 4 sets up to the rectangle, the corner is equipped with arc chamfer, the center reposition of redundant personnel is from top to bottom, bilateral symmetry sets up the center at last mould 1, and be equipped with the ladder face on central diffluence hole 4, the big right side in left side of ladder face is little, set up the ladder face and can slow down the speed of the aluminium bar of following central diffluence hole 4 to projection 3 motion, can reach the effect that improves the aluminium bar texture, and projection 3 on central diffluence hole 4 right side is fixed on near projection 3, avoid the unsettled setting of projection 3 on central diffluence hole 4 right side, set up central diffluence hole 4 and can make the aluminium bar move to projection 3 and projection 3's clearance from the center of last mould 1 in, reduce the aluminium bar from the degree of difficulty in the gap of diffluence hole 4 motion to projection 3 and projection 3 all around, and then.

Further, a plurality of convex columns 3 are arranged in the middle of the three rows of branch flow holes 4, the three rows of branch flow holes 4 are obliquely arranged close to the side walls of the convex columns 3, and the obliquely arranged side walls are used for assisting the branch flow holes 4 to cut the materials on the rear side and move into gaps among the plurality of convex columns 3.

Specifically, in this embodiment, the left portions of the peripheral branch flow holes 4 are horizontally arranged left and right, and the right side portions of the peripheral branch flow holes 4 are inclined toward the axis of the upper die 1, so that the aluminum bars cut by the peripheral branch flow holes 4 can move to the right side portion of the upper die 1 under the guidance of the inclined side walls because the aluminum bars are limited by the lower die 2 and cannot move horizontally to the right, and can move to the gap between the convex column 3 and the convex column 3 under the guidance of the inclined side walls, and the aluminum bars can be completely filled in the gap between the convex column 3 and the convex column 3 before being extruded, and the cut aluminum bars can be completely filled in the gap between the convex column 3 and the extrusion holes 5 because the branch flow holes 4 surround the periphery of the plurality of convex columns 3, so that the extruded honeycomb tubes are uniform in texture.

Furthermore, the convex column 3 is provided with an expansion part 6, and the expansion part 6 is in a regular hexagon shape.

Specifically speaking, in this embodiment, leave the clearance between expansion 6 and the right-hand member face of last mould 1, can lead to expansion 6 left projection 3 and projection 3's clearance to be greater than the wall thickness of the honeycomb pipe that actual processing obtained like this, set up like this and to enlarge the clearance of left part projection 3 and projection 3, the aluminium bar of being convenient for shunt all around moves to in the clearance of projection 3 and projection 3, is convenient for obtain the even honeycomb pipe of texture.

Further, the clearance between the respective expansion portions 6 was 1 mm. Specifically, in the present embodiment, the gap between the expansion part 6 and the expansion part 6 on each convex column 3 is 1mm, so that a light and thin honeycomb tube can be obtained, and the processing cost of the honeycomb tube is reduced.

Further, a groove 7 is formed in the lower die 2, the groove 7 is formed in the periphery of the extrusion hole 5, and the groove 7 is used for being in butt joint with the plurality of shunting holes 4.

Specifically speaking, in this embodiment, the left surface of recess 7 covers on a plurality of reposition of redundant personnel holes 4, and the vertical setting of right side terminal surface of recess 7, and recess 7 and extrusion hole 5 coaxial setting set up, set up recess 7 and enlarge the hollow space between mould 1 and the lower mould 2, make the aluminium bar of being cut apart by reposition of redundant personnel holes 4 can converge together, make metal material's texture more even on the one hand, on the other hand can change the direction of motion of the metal of being shunted, supplementary metal of being shunted moves to the clearance between projection 3 and the projection 3.

Furthermore, a convex ring 8 and a clamping groove 9 are respectively arranged on the upper die 1 and the lower die 2, and the convex ring 8 and the clamping groove 9 are mutually matched.

Specifically speaking, in this embodiment, set up bulge loop 8 and draw-in groove 9, be convenient for go up the butt joint of mould 1 and lower mould 2, also be convenient for reduce the aluminium bar from going up the possibility that flows in the clearance between mould 1 and the lower mould 2, reach the effect of protection mould.

In addition, when actually setting up bulge loop 8 and draw-in groove 9, can set up draw-in groove 9 in the outside of last mould 1 or lower mould 2 to set up matched with bulge loop 8 in the corresponding position of lower mould 2 or last mould 1, the effect is the same.

Further, the distance from at least one convex column 3 located at the outermost side of the plurality of convex columns 3 to the extrusion hole 5 is different from the distance from the rest convex columns 3 to the extrusion hole 5.

Specifically speaking, in this embodiment, the clearance between the apex angle lateral wall of the projection 3 of first row and third row both sides and the extrusion hole 5 sets up 1.5mm, and the clearance between the peripheral lateral wall of the projection 3 of second row both sides and the extrusion hole 5 sets up 1.25mm, sets up the structural force that can strengthen the honeycomb tube like this, reduces the possibility that is extruded deformation when using.

In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.

Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a honeycomb pipe extrusion die, is applied to material extrusion, its characterized in that includes: an upper die and a lower die;

the upper die is provided with a plurality of shunting holes and a plurality of convex columns integrally arranged on the upper die, the convex columns are regular hexagonal prisms, and the convex columns are arranged at intervals;

the lower die is provided with an extrusion hole;

the plurality of convex columns extend into the extrusion holes, and the plurality of convex columns are used for being matched with the extrusion holes to enable the extruded material to be in a honeycomb tubular shape.

2. The extrusion die of claim 1 wherein said plurality of lugs is arranged in three rows, and wherein a first row and a third row of said lugs are seven in number and a second row of said lugs are six in number.

3. The extrusion die of claim 1 wherein the diverter holes are arranged in three rows;

the first row and the third row are provided with three shunting holes, and the second row is provided with two shunting holes.

4. The extrusion die of claim 3 wherein a central tap hole is further provided in the middle of said second row, said central tap hole communicating with the gap between said plurality of posts.

5. The extrusion die of claim 3 wherein said plurality of posts are disposed intermediate said three rows of diverter holes, and said three rows of diverter holes are angled adjacent to sidewalls of said posts, said angled sidewalls being configured to assist said diverter holes in cutting the material behind into said plurality of post gaps.

6. The extrusion die of claim 1 wherein said post has an expansion, said expansion being in the shape of a regular hexagon.

7. The extrusion die of claim 6, wherein a gap between the expanded portions is 1 mm.

8. The extrusion die of claim 1, wherein a groove is formed in the lower die, the groove is formed at the periphery of the extrusion hole, and the groove is used for abutting against the plurality of shunting holes.

9. The extrusion die of claim 1, wherein the upper die and the lower die are respectively provided with a convex ring and a clamping groove, and the convex ring and the clamping groove are mutually matched.

10. The extrusion die of claim 1, wherein at least one outermost one of the plurality of studs has a different distance to the extrusion orifice than the remaining studs.

Images