CN115026146A

CN115026146A - Independent feeding one-die double-aluminum-frame extrusion die

Info

Publication number: CN115026146A
Application number: CN202210668245.6A
Authority: CN
Inventors: 马鹏程; 李佳
Original assignee: Jiangyin Xuchu Technology Co ltd
Current assignee: Jiangyin Xuchu Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-09

Abstract

The invention relates to the technical field of extrusion dies, and discloses an independently-fed one-die double-aluminum-frame extrusion die which comprises an upper die, a lower die and a protective seat, wherein one end of the upper die is provided with an upper die male head, four shunting holes are circumferentially arranged on the outer sides of two upper die male heads, and a shunting bridge is arranged between two adjacent shunting holes; two independent lower die welding cavities are arranged in the lower die, and a discharge port is formed in the bottom end of each lower die welding cavity; the protection seat is installed in the bottom of lower mould, and has seted up two support grooves in the protection seat to the inboard of protection seat is provided with the water cavity, and the water cavity cladding is in the outside of supporting the groove. The die follows the design idea of 'symmetrical shunting and respectively controlling', the two sectional materials are respectively shunted and controlled by the shunting holes of the upper die, and simultaneously the two sectional materials are respectively fused by the two independent welding chambers of the lower die, the aluminum flow is uniformly distributed due to symmetrical extrusion force during extrusion, the extrusion speed of the two sectional materials is consistent, and the yield and the production efficiency can be fundamentally improved.

Description

Independent feeding one-die double-aluminum-frame extrusion die

Technical Field

The invention relates to the technical field of extrusion dies, in particular to an extrusion die with one die and two aluminum frames capable of feeding materials independently.

Background

Under the large background of '3060' carbon peak carbon neutralization, photovoltaic power generation becomes an important main supply body of clean energy, the prospect is wide, the aluminum alloy frame is used as an important component of a photovoltaic power generation system, and the market demand is very large. At present, in order to improve the yield, aluminum profile manufacturers in the industry adopt a 800T-1450T large-sized extruder to perform one-die double-extrusion production on an aluminum frame, and the problem is that the surface of the produced aluminum frame product has a black line after oxidation because the extrusion ratio of the large extruder and the aluminum frame with a small cross section area is not matched, and the quality of the aluminum frame product is seriously influenced. The existing photovoltaic aluminum frame die has the advantages that the one-die double-outlet scheme is mostly seven shunting hole layouts, the two small shunting holes in the middle of two sectional materials are shared, and the lower die welding chamber is shared, so that the phenomenon that two branches which are unevenly shunted cannot be extruded simultaneously is easily caused.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an independently-fed one-die double-aluminum-frame extrusion die.

In order to achieve the purpose, the invention adopts the following technical scheme:

the extrusion die with one die and two aluminum frames capable of feeding independently comprises an upper die, a lower die and a protective seat, wherein one end of the upper die is provided with two upper die male heads, four shunting holes are circumferentially arranged on the outer sides of the two upper die male heads, the shunting holes penetrate through two ends of the upper die, and a shunting bridge is arranged between every two adjacent shunting holes;

two independent lower die welding cavities are arranged in the lower die, and a discharge hole is formed in the bottom end of each lower die welding cavity;

the protection seat is installed at the bottom end of the lower die, two support grooves are formed in the protection seat, a water cavity is formed in the protection seat, the water cavity covers the outer sides of the support grooves, and a water pump is arranged in the water cavity;

two it all is provided with the mount pad to support groove bottom one side setting, the middle part of mount pad is rotated through pivot and protection seat and is connected, and the both sides of mount pad all are provided with adjusting screw to the mount pad is close to one side of supporting the groove is rotated and is installed two squeeze rolls that are parallel to each other, the inside of squeeze roll is provided with the cavity, and the one end of squeeze roll with the output of water pump is connected to insert on the outer wall of squeeze roll and be equipped with a plurality of sprue, sprue and squeeze roll sliding connection, and the sprue is located the inside one end of squeeze roll and is provided with the spring.

Preferably, the edges of one ends of the upper die and the lower die are provided with matched spigots which are matched with each other.

Preferably, the matching ends of the upper die and the lower die are provided with a plurality of locating pins and fixing screws.

Preferably, the number of the positioning pins and the number of the fixing screws are two to five, and the positioning pins are matched with the fixing screws.

Preferably, the bottom of the discharge port is provided with a graphite ring, and the graphite ring is coated at the discharge port.

Preferably, one side of the water cavity is provided with a water filling port, and the water filling port is provided with a connecting seat.

Preferably, the number of the blocks is ten to twenty, and the outer ends of the blocks are arranged in an arc shape.

Preferably, the protection seat is fixedly connected with the lower die through a bolt, and the support groove is butted with the discharge port.

Preferably, a gap is arranged between the mounting seat and the protection seat.

The invention has the beneficial effects that:

1. the upper die of the extrusion die is provided with a plurality of shunting holes, wherein each shunting hole independently controls the discharge of a section. Go up the mould discharge surface and be provided with the public head of mould, the lower mould is provided with seam chamber and the female chamber of mould, form through cooperation tang and the equipment of dowel screw, increase bridge position quantity and thicken and go up mould thickness and make mould pressure strengthen, can evenly extrude after the intensive mixing fuses under the high pressure effect when the aluminium stream when going up the mould reposition of redundant personnel hole, the section bar of extruding after the mould pressurization is more even because of the high range of metal crystal density, the oxidation rear surface is more bright, perfect solution section bar oxidation rear surface black line problem. Meanwhile, the design idea of symmetrical flow distribution and respective control is followed, the two sectional materials are respectively subjected to flow distribution control through the flow distribution holes of the upper die, the two sectional materials are respectively fused by the two independent welding chambers of the lower die, the aluminum flow distribution is uniform due to symmetrical extrusion force during extrusion, the extrusion speed of the two sectional materials is consistent, and the yield and the production efficiency can be fundamentally improved.

2. Through being provided with the protection seat at the lower mould lower extreme, wholly cool off the aluminium alloy by the inside water cavity of protection seat, and extrude spacingly through two squeeze rolls to the side of aluminium alloy to through adjusting both ends adjusting screw, can finely tune the angle of squeeze roll, be convenient for adjust the angle between aluminium alloy side and its main part, with the crooked phenomenon of side when reducing the shaping.

Drawings

FIG. 1 is a schematic sectional view of a single-die double-aluminum-frame extrusion die with independent feeding according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic cross-sectional structural view of an upper mold in the single-mold double-aluminum-frame extrusion mold with independent feeding according to the present invention;

FIG. 5 is a schematic structural view of a cross section of a lower die of the independently feeding single-die double-aluminum-frame extrusion die of the present invention;

FIG. 6 is a schematic structural view of an upper mold of the single-mold double-aluminum-frame extrusion mold with independent feeding according to the present invention;

FIG. 7 is a schematic structural diagram of a top view of a lower mold of the independently fed one-mold double-aluminum-frame extrusion mold of the present invention;

FIG. 8 is a schematic sectional view of a protective seat in a single-die double-aluminum-frame extrusion die with independent feeding according to the present invention;

FIG. 9 is a schematic structural diagram of the extrusion rollers of the independent feeding single-die double-aluminum-frame extrusion die of the present invention;

fig. 10 is a schematic structural diagram of a cross section of an extrusion roll in an independently feeding one-die double-aluminum-frame extrusion die according to the present invention.

In the figure: 1. an upper die; 2. a lower die; 3. a shunt bridge; 4. a shunt hole; 5. matching the spigot; 6. a male head of an upper die; 7. a lower die welding cavity; 8. positioning a pin; 9. a fixing screw; 10. a protective seat; 11. a support groove; 12. a water chamber; 13. a discharge port; 14. a graphite ring; 15. a water pump; 16. a mounting seat; 17. an adjusting screw; 18. a rotating shaft; 19. a squeeze roll; 20. a cavity; 21. blocking; 22. a spring.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-10, the single-die double-aluminum-frame extrusion die with independent feeding comprises an upper die 1, a lower die 2 and a protection seat 10, wherein matching spigots 5 matched with each other are respectively arranged at the edges of one ends of the upper die 1 and the lower die 2, a plurality of positioning pins 8 and fixing screws 9 are respectively arranged at the matching ends of the upper die 1 and the lower die 2, the number of the positioning pins 8 and the number of the fixing screws 9 are two to five, the positioning pins 8 are matched with the fixing screws 9, one end of the upper die 1 is provided with two upper die male heads 6, four shunting holes 4 are circumferentially arranged on the outer sides of the two upper die male heads 6, the shunting holes 4 penetrate through the two ends of the upper die 1, and a shunting bridge 3 is arranged between the two adjacent shunting holes 4;

the lower die 2 is provided with two independent lower die welding cavities 7, the bottom end of each lower die welding cavity 7 is provided with a discharge port 13, the bottom of each discharge port 13 is provided with a graphite ring 14, each graphite ring 14 covers the discharge port 13, and the surface of the aluminum profile is wiped through the graphite ring 14 during discharging so as to improve the surface smoothness of the aluminum profile, facilitate discharging of the aluminum profile and reduce cracking during discharging;

the protection seat 10 is installed at the bottom end of the lower die 2, two support grooves 11 are formed in the protection seat 10, the protection seat 10 is fixedly connected with the lower die 2 through bolts, the support grooves 11 are in butt joint with the discharge port 13, a water cavity 12 is formed in the inner side of the protection seat 10, the water cavity 12 covers the outer side of the support grooves 11, a water pump 15 is arranged in the water cavity 12, a water injection port is formed in one side of the water cavity 12, and a connecting seat is arranged on the water injection port;

two 11 bottom one sides in support groove set up and all be provided with mount pad 16, be provided with the interval between mount pad 16 and the protection seat 10, the middle part of mount pad 16 is rotated through pivot 18 and protection seat 10 and is connected, and the both sides of mount pad 16 all are provided with adjusting screw 17, and one side that mount pad 16 is close to support groove 11 is rotated and is installed two squeeze roll 19 that are parallel to each other, squeeze roll 19's inside is provided with cavity 20, and squeeze roll 19's one end is connected with water pump 15's output, and insert on squeeze roll 19's the outer wall and be equipped with a plurality of sprue 21, sprue 21 and squeeze roll 19 sliding connection, and the sprue 21 is located the inside one end of squeeze roll 19 and is provided with spring 22, the quantity of sprue 21 is ten to twenty, and the outer end of sprue 21 is the arc setting.

In the embodiment, the upper die 1 and the lower die 2 are assembled by matching the spigot 5, the locating pin 8 and the fixing screw 9, the protection seat 10 is installed on the lower die 2 by the screw, the die is placed on an external extruder for extrusion after being assembled, an aluminum rod with the diameter of 178MM to 200MM enters the die through the diversion hole 4, the aluminum flow reaches the independent lower die welding cavity 7 and then is fused, a cavity is formed under the action of the upper die male head 6, a solid part is formed at the flat die part, then the aluminum rod is extruded by the lower die 2 to form a complete aluminum profile, in addition, when the aluminum profile is extruded, the whole aluminum profile is cooled by the water cavity 12 in the protection seat 10, the side edge of the aluminum profile is inserted between the two extrusion rollers 19, the extrusion limit is carried out on the side edge of the aluminum profile by the two extrusion rollers 19, the angle of the extrusion rollers 19 can be finely adjusted by adjusting the adjusting screws 17 at two ends, the angle between the side edge of the aluminum profile and the main body is convenient to adjust, in order to reduce the crooked phenomenon of side during the shaping, when the aluminium alloy side passes through squeeze roll 19, side extrusion sprue 21 makes sprue 21 move to squeeze roll 19 inboard, is carried to cavity 20 by water pump 15 rivers in the water cavity 12 simultaneously to flow to the side through extruded sprue 21 department, in order to accelerate the side cooling, make its quick design, the crooked when reducing the ejection of compact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The extrusion die with the one-die double-aluminum-outlet frame capable of independently feeding comprises an upper die (1), a lower die (2) and a protection seat (10), and is characterized in that two upper die male heads (6) are arranged at one end of the upper die (1), four shunting holes (4) are circumferentially arranged on the outer sides of the two upper die male heads (6), the shunting holes (4) penetrate through two ends of the upper die (1), and a shunting bridge (3) is arranged between every two adjacent shunting holes (4);

two independent lower die welding cavities (7) are arranged in the lower die (2), and a discharge hole (13) is formed in the bottom end of each lower die welding cavity (7);

the protective seat (10) is installed at the bottom end of the lower die (2), two supporting grooves (11) are formed in the protective seat (10), a water cavity (12) is formed in the inner side of the protective seat (10), the water cavity (12) is covered on the outer side of each supporting groove (11), and a water pump (15) is arranged in each water cavity (12);

two it all is provided with mount pad (16) to support setting of groove (11) bottom one side, the middle part of mount pad (16) is rotated with protection seat (10) through pivot (18) and is connected, and the both sides of mount pad (16) all are provided with adjusting screw (17), and mount pad (16) are close to it rotates and installs two squeeze roll (19) that are parallel to each other to support one side of groove (11), the inside of squeeze roll (19) is provided with cavity (20), and the one end of squeeze roll (19) with the output of water pump (15) is connected to insert on the outer wall of squeeze roll (19) and be equipped with a plurality of sprue (21), sprue (21) and squeeze roll (19) sliding connection, and sprue (21) are located squeeze roll (19) inside one end and are provided with spring (22).

2. The extrusion die with one die and two aluminum frames capable of feeding independently as claimed in claim 1, wherein the edges of one end of the upper die (1) and one end of the lower die (2) are provided with matching spigots (5) which are matched with each other.

3. The single-die double-outlet aluminum frame extrusion die with independent feeding according to claim 1, characterized in that a plurality of positioning pins (8) and fixing screws (9) are arranged at the matching ends of the upper die (1) and the lower die (2).

4. An independently fed one-die double-aluminum-frame extrusion die according to claim 3, wherein the number of the positioning pins (8) and the fixing screws (9) is two to five, and the positioning pins (8) are matched with the fixing screws (9).

5. The single-die double-outlet aluminum frame extrusion die with independent feeding according to claim 1, wherein a graphite ring (14) is installed at the bottom of the discharge port (13), and the graphite ring (14) is coated at the discharge port (13).

6. The extrusion die for the one-die and two-out aluminum frames with independent feeding according to claim 1, wherein a water injection port is arranged on one side of the water cavity (12), and a connecting seat is arranged on the water injection port.

7. An independently fed one-die two-shot aluminum frame extrusion die as set forth in claim 1 wherein said blocks (21) are ten to twenty in number and the outer ends of the blocks (21) are arcuately disposed.

8. The extrusion die with one die and two aluminum frames capable of feeding independently as claimed in claim 1, wherein the protection seat (10) is fixedly connected with the lower die (2) through bolts, and the support groove (11) is butted with the discharge port (13).

9. An independently fed one-die double aluminum extrusion die set as claimed in claim 1 wherein a space is provided between said mounting base (16) and said protective base (10).