CN213856383U - Industry aluminium alloy extrusion die convenient to clearance - Google Patents
Industry aluminium alloy extrusion die convenient to clearance Download PDFInfo
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- CN213856383U CN213856383U CN202021067527.3U CN202021067527U CN213856383U CN 213856383 U CN213856383 U CN 213856383U CN 202021067527 U CN202021067527 U CN 202021067527U CN 213856383 U CN213856383 U CN 213856383U
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Abstract
The utility model discloses an industry aluminium alloy extrusion die convenient to clearance, including last mould, well mould, lower mould and connecting bolt, solid aluminium alloy post is cut and extrudeed by once shunting bridge under the effect of extruder and pressure and forms four strands of metal flow, flow to well mould, the aluminium alloy metal flow that the secondary shunts the bridge and imports on the right side of last mould passes through the secondary and shunts the bridge and divides into two strands, two strands of metal flow staggeredly imports the right side seam room of lower mould along outer lane diffluence hole and inner circle diffluence hole slope respectively, the inside and outside each four strands of metal flow that revolve to opposite direction of output of well mould right side revolve in the seam room, and cross welding under the effect of pressure, extrude from the shaping chamber, form circular pipeline, the pipeline has the pipe wall composition that inside and outside two-layer welding seam crisscross each other, can greatly improve the structural strength of welding seam, improve the mechanical properties of pipe and pipe, and connecting bolt because the time that the rotatory crisscross welding of metal flow carries out the seam in the seam cavity is long, the welding is firmer.
Description
Technical Field
The utility model relates to an aluminum alloy tube production and processing technology field specifically is an industry aluminium alloy extrusion die convenient to clearance.
Background
In the production of an extrusion die, the pipe is divided into a seamed pipe and a seamless pipe, the seamed pipe is produced by adopting a plane shunt extrusion die, and the seamed pipe has poor pressure-bearing and pressure-resisting properties due to the existence of a weld joint, but the seamed pipe has the advantages of few production procedures, low production cost and low price; the seamless pipe is produced by a double-action extruder, and because the seamless pipe has no welding seam, the pressure-bearing and pressure-resisting performance is stronger than that of the seamless pipe, but the production process is more, the production rate is low, and the price is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industry aluminium alloy extrusion die convenient to clearance to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an industrial aluminum profile extrusion die convenient to clean comprises an upper die, a middle die, a lower die and connecting bolts, wherein the upper die, the middle die and the lower die are sequentially arranged from left to right, four circular through holes are arrayed on the side surfaces of the upper middle die and the lower die close to the edges, four screw holes are correspondingly formed in the right side surface of the upper die, the connecting bolts can be inserted from the right side surface of the lower die and screwed into the right side screw holes of the upper die leftwards, and the upper die, the middle die and the lower die are fixedly connected to form a complete extrusion die;
the upper die is of a cylindrical structure, and is provided with a primary shunting bridge, primary shunting holes and an upper die core, wherein the primary shunting bridge is a cross-shaped linear shunting bridge and uniformly divides an internal cavity of the upper die into four primary shunting holes;
the middle die is of a cylindrical structure with the same size as the upper die, and is provided with a secondary shunting bridge, an outer ring shunting hole, an inner ring shunting hole, a middle die core and a working band, the left side array of the middle die is provided with four outer ring shunting holes and four inner ring shunting holes, the outer ring shunting hole is obliquely arranged in the inner cavity of the middle die in the counterclockwise direction, the inner ring shunting hole is obliquely arranged in the inner cavity of the middle die in the clockwise direction, the outer rings of the outer ring shunting hole and the inner ring shunting hole are superposed with the right side of the primary shunting hole of the upper die, the outer ring shunting hole and the inner ring shunting hole are separated by the secondary shunting bridge, and the secondary shunting bridge is of an arc-plate-shaped structure and divides the aluminum alloy metal flow led in from the right side of the upper die into two flows through the secondary shunting bridge;
the middle mold core is a circular rod arranged at the center of the middle mold, a square lug is arranged on the left side of the middle mold core, when the upper mold is connected with the middle mold, the lug on the left side of the middle mold core can be clamped into a square groove on the right side of the upper mold core, and a working belt is arranged on the right side of the middle mold core;
the lower mould is the cylinder structure that the left side was equipped with circular recess, and the bottom surface center of recess is equipped with circular through-hole, and the through-hole is located the center department of lower mould, and the top of the right side working tape of well mould has formed the shaping chamber in inserting the central through-hole of lower mould, and the left side recess of lower mould has formed the seam room in the part that is located the well die core outside.
In a preferred embodiment, the left sides of the primary shunt bridge and the secondary shunt bridge are inlaid with cemented carbide knife edges.
In a preferred embodiment, the size of the primary shunting hole is the same as that of the shunting hole of the existing round pipe extrusion die.
In a preferred embodiment, the inner wall of the right end of the forming cavity and the left end of the working belt are provided with blank cutter structures.
In a preferred embodiment, the working tape has a length of fifteen millimeters.
In a preferred embodiment, the right end of the working tape is gradually enlarged in three stages.
Compared with the prior art, the beneficial effects of the utility model are that: the solid aluminum alloy column is cut by a primary shunting bridge under the action of the extrusion machine and pressure and is extruded to form four strands of metal flows, the metal flows flow to a middle die, the secondary shunting bridge divides the aluminum alloy metal flow led in from the right side of an upper die into two strands through the secondary shunting bridge, the two strands of metal flows are respectively led into a right side welding chamber of a lower die in an inclined staggered manner along an outer ring shunting hole and an inner ring shunting hole, the inner and outer four strands of metal flows output from the right side of the middle die rotate in the welding chamber and are subjected to cross welding under the action of the pressure to be extruded out from a forming cavity to form a circular pipeline, the pipeline is composed of pipe walls with mutually staggered inner and outer layers of welding seams, the structural strength of the welding seams can be greatly improved, the mechanical property of the circular pipeline is improved, the time for welding in the welding chamber is long due to the rotation and staggering of the metal flows, the welding is firmer, and the pressure bearing performance and the pressure resistance are good.
Drawings
Fig. 1 is a schematic structural diagram of an aluminum alloy circular tube extrusion die.
FIG. 2 is a schematic structural diagram of the left side of an upper die in the aluminum alloy circular tube extrusion die.
FIG. 3 is a schematic structural diagram of the middle mold on the left side in the aluminum alloy circular tube extrusion mold.
In the figure: the device comprises an upper die 1, a middle die 2, a lower die 3, a connecting bolt 4, a primary shunting bridge 11, a primary shunting hole 12, an upper die core 13, a secondary shunting bridge 21, an outer ring shunting hole 22, an inner ring shunting hole 23, a middle die core 24, a working band 25, a welding chamber 31 and a forming cavity 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-3, in an embodiment of the present invention, an industrial aluminum profile extrusion mold convenient for cleaning includes an upper mold 1, a middle mold 2, a lower mold 3 and a connecting bolt 4, the upper mold 1, the middle mold 2 and the lower mold 3 are sequentially arranged from left to right, four circular through holes are arranged near the edge of the side surfaces of the upper middle mold 2 and the lower mold 3, four screw holes are correspondingly arranged on the right side surface of the upper mold 1, the connecting bolt 4 can be inserted from the right side surface of the lower mold 3, and screwed into the screw hole on the right side of the upper mold 1 to the left, so as to fixedly connect the upper mold 1, the middle mold 2 and the lower mold 3 to form a complete extrusion mold;
the upper die 1 is of a cylindrical structure, a primary shunting bridge 11, primary shunting holes 12 and an upper die core 13 are arranged on the upper die 1, the primary shunting bridge 11 is a cross-shaped linear shunting bridge which uniformly divides an internal cavity of the upper die 1 into four primary shunting holes 12, the center of the upper die 1 is fixedly connected with the upper die core 13 through the primary shunting bridge 11, a square groove is formed in the center of the right side of the upper die core 13, and a solid aluminum alloy column is cut and extruded by the primary shunting bridge 11 under the action of pressure of an extruder to form four strands of metal flow which flow to the middle die 2;
the middle die 2 is a cylinder structure with the same size as the upper die 1, a secondary shunt bridge 21, outer ring shunt holes 22, inner ring shunt holes 23, a middle die core 24 and a working band 25 are arranged on the middle die 2, four outer ring shunt holes 22 and four inner ring shunt holes 23 are arranged on the left side of the middle die 2 in an array manner, the outer ring shunting holes 22 are obliquely arranged in the inner cavity of the middle mold 2 in a counterclockwise way, the inner ring shunting holes 23 are obliquely arranged in the inner cavity of the middle mold 2 in a clockwise way, the outer rings of the outer ring shunting holes 22 and the inner ring shunting holes 23 are coincided with the right side of the primary shunting holes 12 of the upper mold 1, the outer ring shunting holes 22 and the inner ring shunting holes 23 are separated by a secondary shunting bridge 21, the secondary flow distribution bridge 21 is of an arc-shaped plate-shaped structure, the aluminum alloy metal flow introduced from the right side of the upper die 1 is divided into two flows through the secondary flow distribution bridge 21, and the two flows are obliquely and alternately introduced into the right side of the lower die 3 along the outer ring flow distribution holes 22 and the inner ring flow distribution holes 23;
the middle mold core 24 is a round rod arranged at the center of the middle mold 2, a square convex block is arranged at the left side of the middle mold core 24, when the upper mold 1 is connected with the middle mold 2, the convex block at the left side of the middle mold core 24 can be clamped into a square groove at the right side of the upper mold core 13, so that the upper mold 1 and the middle mold 2 can be conveniently positioned and fixed, and a working belt 25 is arranged at the right side of the middle mold core 24;
the lower die 3 is a cylinder structure with a circular groove on the left side, a circular through hole is arranged at the center of the bottom surface of the groove, the through hole is positioned at the center of the lower die 3, the top end of a right working belt 25 of the middle die 2 is inserted into the central through hole of the lower die 3 to form a forming cavity 32, the inner wall of the central through hole of the lower die 3 is used for forming the outer wall of a coffin, the working belt 25 is used for forming the inner wall of a pipe, a welding chamber 31 is formed at the part of the left groove of the lower die 3 positioned at the outer side of the middle die core 24, inner and outer four metal flows with opposite rotation directions output from the right side of the middle die 2 rotate in the welding chamber 31 and are crossly welded under the action of pressure to be extruded from the forming cavity 32 to form a circular pipeline, the pipeline is composed of pipe walls with two layers of mutually staggered welding seams on the inner layer and the outer layer, the structural strength of the welding seams can be greatly improved, the mechanical property of the circular pipeline is improved, and the time of welding in the welding cavity is long due to the rotary staggering of the metal flows, the welding is firmer;
hard alloy knife edges are embedded in the left sides of the primary shunt bridge 11 and the secondary shunt bridge 21, so that the cutting capability and the structural strength of the primary shunt bridge 11 and the secondary shunt bridge 21 are improved;
the size of the primary shunting hole 12 is the same as that of the shunting hole of the existing round pipe extrusion die;
the inner wall of the right end of the forming cavity 32 and the left end of the working belt 25 are provided with blank cutter structures, so that the impact force on the working belt 25 is reduced, and the service life of the die is prolonged;
the length of the working tape 25 is fifteen millimeters;
the right end of the working belt 25 is gradually enlarged in three stages, so that the inner diameter of the round pipe can be slowly enlarged and leveled, and the quality of a finished product is ensured.
The utility model discloses a theory of operation is: the solid aluminum alloy column is cut and extruded by the primary shunting bridge 11 under the action of the extrusion machine and pressure to form four metal flows which flow to the middle die 2, the secondary shunting bridge 21 divides the aluminum alloy metal flow led in from the right side of the upper die 1 into two metal flows through the secondary shunting bridge 21, the two metal flows are respectively led into the right side welding chamber 31 of the lower die 3 along the outer ring shunting hole 22 and the inner ring shunting hole 23 in an inclined and staggered manner, the inner and outer four metal flows with opposite rotating directions output from the right side of the middle die 2 rotate in the welding chamber 31, and is cross-welded under the action of pressure and extruded from the forming cavity 32 to form a circular pipeline, the pipeline is composed of pipe walls with inner and outer layers of welding lines which are staggered with each other, the structural strength of the welding lines can be greatly improved, the mechanical property of the pipeline and the circular pipe is improved, and because the time for welding the metal flow in the welding cavity in a rotating and staggered manner is long, the welding is firmer.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an industry aluminium alloy extrusion die convenient to clearance, includes mould, well mould, lower mould and connecting bolt, its characterized in that: the upper die, the middle die and the lower die are sequentially arranged from left to right, four circular through holes are arrayed on the side surfaces of the upper middle die and the lower die close to the edges, four screw holes are correspondingly formed in the right side surface of the upper die, connecting bolts can be inserted from the right side surface of the lower die and screwed into the screw holes in the right side of the upper die leftwards, and the upper die, the middle die and the lower die are fixedly connected to form a complete extrusion die;
the upper die is of a cylindrical structure, and is provided with a primary shunting bridge, primary shunting holes and an upper die core, wherein the primary shunting bridge is a cross-shaped linear shunting bridge and uniformly divides an internal cavity of the upper die into four primary shunting holes;
the middle die is of a cylindrical structure with the same size as the upper die, and is provided with a secondary shunting bridge, an outer ring shunting hole, an inner ring shunting hole, a middle die core and a working band, the left side array of the middle die is provided with four outer ring shunting holes and four inner ring shunting holes, the outer ring shunting hole is obliquely arranged in the inner cavity of the middle die in the counterclockwise direction, the inner ring shunting hole is obliquely arranged in the inner cavity of the middle die in the clockwise direction, the outer rings of the outer ring shunting hole and the inner ring shunting hole are superposed with the right side of the primary shunting hole of the upper die, the outer ring shunting hole and the inner ring shunting hole are separated by the secondary shunting bridge, and the secondary shunting bridge is of an arc-plate-shaped structure and divides the aluminum alloy metal flow led in from the right side of the upper die into two flows through the secondary shunting bridge;
the middle mold core is a circular rod arranged at the center of the middle mold, a square lug is arranged on the left side of the middle mold core, when the upper mold is connected with the middle mold, the lug on the left side of the middle mold core can be clamped into a square groove on the right side of the upper mold core, and a working belt is arranged on the right side of the middle mold core;
the lower mould is the cylinder structure that the left side was equipped with circular recess, and the bottom surface center of recess is equipped with circular through-hole, and the through-hole is located the center department of lower mould, and the top of the right side working tape of well mould has formed the shaping chamber in inserting the central through-hole of lower mould, and the left side recess of lower mould has formed the seam room in the part that is located the well die core outside.
2. The easy-to-clean industrial aluminum profile extrusion die of claim 1, characterized in that: and hard alloy knife edges are embedded in the left sides of the primary shunt bridge and the secondary shunt bridge.
3. The easy-to-clean industrial aluminum profile extrusion die of claim 1, characterized in that: the size of the primary shunting hole is the same as that of the shunting hole of the existing circular tube extrusion die.
4. The easy-to-clean industrial aluminum profile extrusion die of claim 1, characterized in that: and the inner wall of the right end of the forming cavity and the left end of the working belt are provided with blank cutter structures.
5. The easy-to-clean industrial aluminum profile extrusion die of claim 1, characterized in that: the length of the working tape is fifteen millimeters.
6. The easy-to-clean industrial aluminum profile extrusion die of claim 1, characterized in that: the right end of the working band is gradually enlarged in three stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067527.3U CN213856383U (en) | 2020-06-11 | 2020-06-11 | Industry aluminium alloy extrusion die convenient to clearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021067527.3U CN213856383U (en) | 2020-06-11 | 2020-06-11 | Industry aluminium alloy extrusion die convenient to clearance |
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| CN213856383U true CN213856383U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021067527.3U Active CN213856383U (en) | 2020-06-11 | 2020-06-11 | Industry aluminium alloy extrusion die convenient to clearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617872A (en) * | 2021-08-12 | 2021-11-09 | 池州市九华明坤铝业有限公司 | Multi-cavity profile molding equipment and molding method thereof |
| CN114798787A (en) * | 2022-05-13 | 2022-07-29 | 安徽金铂新材料科技有限公司 | Motor casing reposition of redundant personnel extrusion device |
-
2020
- 2020-06-11 CN CN202021067527.3U patent/CN213856383U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617872A (en) * | 2021-08-12 | 2021-11-09 | 池州市九华明坤铝业有限公司 | Multi-cavity profile molding equipment and molding method thereof |
| CN113617872B (en) * | 2021-08-12 | 2023-09-29 | 池州市九华明坤铝业有限公司 | Multi-cavity profile forming equipment and forming method thereof |
| CN114798787A (en) * | 2022-05-13 | 2022-07-29 | 安徽金铂新材料科技有限公司 | Motor casing reposition of redundant personnel extrusion device |
| CN114798787B (en) * | 2022-05-13 | 2023-09-12 | 安徽金铂新材料科技有限公司 | Motor casing reposition of redundant personnel extrusion device |
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