Extrusion die

Abstract

The utility model discloses an extrusion die which comprises an outer ring, an inner ring is installed inside the outer ring, the inner ring is detachably connected with the outer ring, discharging ports are symmetrically formed in the middle of the inner ring, flow bridges are fixedly installed at the positions, corresponding to the discharging ports, of the middle of the inner ring, and flow dividing holes are formed between the inner ring and the flow bridges. According to the device, the number of the flow dividing holes is small, the extrusion force of aluminum profile extrusion is reduced, the extrusion speed is increased, meanwhile, the flow dividing holes are arranged to be rectangular, the total perimeter of the flow dividing holes is reduced, friction between the aluminum profile and the flow dividing holes is reduced, and the service life of a die is prolonged; the discharging temperature and the inner ring are cooled through the heat absorption water pipe and cooling water, the aluminum profile extrusion stability is improved, and the inner ring and the outer ring are assembled and disassembled, so that different types of inner rings are conveniently replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium alloy processing technical field, concretely is a kind of extrusion die. BACKGROUND

[0002] Aluminium alloy extrusion porous mould plays a vital role in aluminium production, in the extrusion process, porous mould is made of aluminium metal plastic deformation by exerting pressure, thereby changing its crystal structure, optimizing its mechanical properties, such as strength, hardness, elongation, etc., shorten production cycle, improve production efficiency, reduce production cost

[0003] The number of shunt holes of the existing aluminium alloy extrusion porous mould is set to be more to improve production efficiency, the area of single shunt hole is small, and then the extrusion pressure is increased, the extrusion speed is slowed down, meanwhile, the surface area of aluminium alloy and mould cavity is small, the friction is large, which increases the extrusion pressure of the aluminium alloy extrusion porous mould, reduces the service life of the mould, the existing aluminium alloy extrusion porous mould is integrally formed, when extruding different types of aluminium alloy, the entire aluminium alloy extrusion porous mould needs to be replaced, the operation is more cumbersome, and when the aluminium alloy is extruded, the aluminium alloy will rub against the shunt hole, which will heat the aluminium alloy extrusion porous mould and accelerate the damage of the aluminium alloy extrusion porous mould. SUMMARY

[0004] The utility model aims at providing a kind of extrusion die to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an extrusion die, including outer ring, the inside of the outer ring is installed with inner ring, the inner ring is detachably connected with outer ring, the middle part of the inner ring is symmetrically provided with discharge port, the middle part position of the inner ring corresponding discharge port is fixedly installed with flow bridge, the inner ring and flow bridge form shunt hole, the shunt hole has eight, the inner ring of the outer ring is installed with heat absorption water pipe.

[0006] As a further preferred embodiment of the present technical solution, the outer circle of the inner ring is symmetrically provided with mounting hole, the mounting hole is slidably installed with plug rod, one end of the plug rod is fixedly installed with spring, the inner circle of the outer ring is provided with insertion hole corresponding to the position of the plug rod, and the insertion hole and the plug rod are slidably inserted.

[0007] As a further preferred embodiment of the present technical solution, the end of the plug rod away from the spring is provided with a rounded corner.

[0008] As a further preferred embodiment of the present technical solution, a rotating groove is formed on one side of the outer ring, a rotating ring is rotatably installed in the rotating groove, and a notch is formed in the inner circle of the rotating ring.

[0009] As a further preferred of the technical solution, the surface of the rotating ring is provided with a friction groove.

[0010] As a further preferred of the technical solution, the inner ring of the outer ring is provided with a receiving groove, and the heat-absorbing water pipe is arranged inside the receiving groove, and the surface of the heat-absorbing water pipe is attached to the outer surface of the inner ring.

[0011] As a further preferred of the technical solution, the outer ring of the inner ring is provided with a chamfer.

[0012] The utility model provides a kind of extrusion die, with following beneficial effects:

[0013] (1) the utility model discloses relative to the high quantity shunt hole of prior art aluminum profile extrusion porous die, the number of shunt hole in the device is lower, reduce the extrusion force of aluminum profile extrusion, improve extrusion speed, simultaneously, shunt hole is set into rectangle, the total perimeter of shunt hole is reduced, reduce the friction of aluminum profile and shunt hole, increase die life;

[0014] (2) the utility model discloses through the use of water pump, cooling water is flowed through heat-absorbing water pipe, the temperature of discharge and inner ring is cooled by heat-absorbing water pipe and cooling water, improve the extrusion stability of aluminum profile;

[0015] (3) the utility model discloses by inserting inner ring into the inside of outer ring, the extrusion of outer ring inner ring by inserting rod can drive inserting rod to slide into the inside of mounting hole, at this time, spring is in compressed state, when inserting rod moves to insertion hole position, the extrusion of inserting rod by spring will drive inserting rod to insert into the inside of insertion hole, for the assembly of inner ring and outer ring, when inner ring is removed, rotating rotating ring, the end of inserting rod is slid into the inside of insertion hole by the extrusion of notch on rotating ring, because the radius of round angle is greater than the thickness of insertion hole, so that the inner ring is pulled outward, and the extrusion of round angle to insertion hole will drive inserting rod to slide into the inside of mounting hole, and inserting rod can be separated from insertion hole, and the inner ring and the outer ring can be disassembled, so that different types of inner ring can be replaced. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole explosion structure schematic diagram of the utility model;

[0018] Figure 3 It is Figure 2 It is the enlarged view of A in the middle;

[0019] Figure 4 It is the local section structure schematic diagram of the utility model;

[0020] In the figure: 1, outer ring; 2, inner ring; 3, discharge port; 4, flow bridge; 5, shunt hole; 6, heat absorption water pipe; 7, mounting hole; 8, plug rod; 9, spring; 10, plug hole; 11, round corner; 12, rotating groove; 13, rotating ring; 14, notch; 15, friction groove; 16, storage groove; 17, chamfer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] The utility model provides technical schemes: Figures 1 to 4 As shown in the figure, in the embodiment, an extrusion die comprises an outer ring 1, the inner part of the outer ring 1 is provided with an inner ring 2, the inner ring 2 is detachably connected with the outer ring 1, the middle part of the inner ring 2 is symmetrically provided with a discharge port 3, the middle part of the inner ring 2 corresponding to the discharge port 3 is integrally fixedly provided with a flow bridge 4, a shunt hole 5 is formed between the inner ring 2 and the flow bridge 4, the shunt hole 5 is designed in a rectangular shape, there are eight shunt holes 5, the inner ring of the outer ring 1 is provided with a heat absorption water pipe 6, the inner ring of the outer ring 1 is provided with a storage groove 16, the heat absorption water pipe 6 is arranged in the inner part of the storage groove 16, and the surface of the heat absorption water pipe 6 is attached to the outer surface of the inner ring 2, the number of shunt holes 5 in the device is small, the extrusion force of the aluminum profile extrusion is reduced, the extrusion speed is improved, the total circumference of the shunt hole 5 is reduced by setting the shunt hole 5 in a rectangular shape, the friction between the aluminum profile and the shunt hole 5 is reduced, the service life of the die is increased, the temperature of the discharge and the inner ring 2 are reduced by the heat absorption water pipe 6 and the cooling water, the aluminum profile extrusion stability is improved, and the inner ring 2 and the outer ring 1 are assembled and disassembled, so that the replacement of different types of inner rings 2 is facilitated.

[0023] As shown in the figure, Figures 1 to 4 The outer ring of the inner ring 2 is symmetrically provided with a mounting hole 7, the mounting hole 7 is slidably provided with a plug rod 8, one end of the plug rod 8 is fixedly provided with a spring 9, the inner ring of the outer ring 1 is provided with a plug hole 10 corresponding to the position of the plug rod 8, and the plug hole 10 is slidably inserted with the plug rod 8.

[0024] The inner ring 2 is inserted into the inner part of the outer ring 1, and the extrusion of the outer ring 1 inner ring by the plug rod 8 can drive the plug rod 8 to slide into the inner part of the mounting hole 7, at this time the spring 9 is in a compressed state, when the plug rod 8 moves to the plug hole 10 position, the extrusion of the plug rod 8 by the spring 9 will drive the plug rod 8 to insert into the inner part of the plug hole 10, for assembling the inner ring 2 and the outer ring 1.

[0025] As shown in the figure, Figures 1 to 4As shown, the end of the plug rod 8 away from the spring 9 is provided with a round corner 11, the radius of the round corner 11 is greater than the thickness of the insertion hole 10, one side of the outer ring 1 is provided with a rotating groove 12, the rotating groove 12 is rotatably installed with a rotating ring 13, and the inner circle of the rotating ring 13 is provided with a notch 14.

[0026] Rotating the rotating ring 13, the notch 14 on the rotating ring 13 extrudes the plug rod 8, and the end of the plug rod 8 is driven to slide into the inside of the insertion hole 10, because the radius of the round corner 11 is greater than the thickness of the insertion hole 10, so as to pull the inner ring 2 outward, and the extrusion of the round corner 11 into the insertion hole 10 will drive the plug rod 8 to slide into the inside of the mounting hole 7, the plug rod 8 can be separated from the insertion hole 10, and the inner ring 2 and the outer ring 1 can be separated.

[0027] As shown in the figure, Figures 1 to 4 The surface of the rotating ring 13 is provided with a friction groove 15.

[0028] Increase the rotating force of the rotating ring 13 to facilitate the rotation of the rotating ring 13.

[0029] As shown in the figure, Figures 1 to 4 The outer circle of the inner ring 2 is provided with a chamfer 17.

[0030] Conveniently insert the inner ring 2 into the inside of the outer ring 1.

[0031] The utility model provides a kind of extrusion die, specific working principle as follows:

[0032] When the device is used, compared with the high number of shunt holes 5 of the aluminum profile extrusion porous die in the prior art, the number of shunt holes 5 in the device is lower, the extrusion pressure of the aluminum profile extrusion is reduced, the extrusion speed is improved, and the shunt holes 5 are set to rectangle, so that the total circumference of the shunt holes 5 is reduced, the friction between the aluminum profile and the shunt holes 5 is reduced, and the service life of the die is increased.

[0033] The cooling water is flowed through the heat absorption water pipe 6 by the use of water pump, the temperature of the discharge and the inner ring 2 are cooled by the heat absorption water pipe 6 and the cooling water, and the aluminum profile extrusion stability is improved.

[0034] By inserting the inner ring 2 into the inside of the outer ring 1, the extrusion of the outer ring 1 inner ring by the insertion rod 8 can drive the insertion rod 8 to slide into the inside of the mounting hole 7, at this time the spring 9 is in the compressed state, when the insertion rod 8 moves to the insertion hole 10 position, the extrusion of the insertion rod 8 by the spring 9 will drive the insertion rod 8 to insert into the inside of the insertion hole 10, for the assembly of the inner ring 2 and the outer ring 1, when the inner ring 2 is removed, rotate the rotating ring 13, extrude the insertion rod 8 through the gap 14 on the rotating ring 13, which will drive the end of the insertion rod 8 to slide into the inside of the insertion hole 10, because the radius of the round corner 11 is greater than the thickness of the insertion hole 10, so pull the inner ring 2 outward, the round corner 11 will extrude the insertion hole 10 to drive the insertion rod 8 to slide into the inside of the mounting hole 7, which can separate the insertion rod 8 from the insertion hole 10, and can disassemble the inner ring 2 and the outer ring 1, and facilitate the replacement of different types of inner ring 2.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An extrusion die, characterized in that: Includes an outer ring (1), an inner ring (2) is installed inside the outer ring (1), the inner ring (2) is detachably connected to the outer ring (1), a discharge port (3) is symmetrically opened in the middle of the inner ring (2), a flow bridge (4) is fixedly installed in the middle position of the inner ring (2) corresponding to the discharge port (3), a diversion hole (5) is formed between the inner ring (2) and the flow bridge (4), there are eight diversion holes (5), and a hot water suction pipe (6) is installed in the inner ring of the outer ring (1).

2. The extrusion die according to claim 1, characterized in that: The outer ring of the inner ring (2) is symmetrically provided with mounting holes (7), and a plug rod (8) is slidably installed inside the mounting hole (7). A spring (9) is fixedly installed at one end of the plug rod (8). The inner ring of the outer ring (1) is provided with a plug hole (10) corresponding to the position of the plug rod (8). The plug hole (10) is slidably inserted into the plug rod (8).

3. An extrusion die according to claim 2, characterized in that: The end of the insert (8) away from the spring (9) has a rounded corner (11).

4. An extrusion die according to claim 1, characterized in that: A rotating groove (12) is provided on one side of the outer ring (1), and a rotating ring (13) is rotatably installed inside the rotating groove (12). A notch (14) is provided on the inner ring of the rotating ring (13).

5. An extrusion die according to claim 4, characterized in that: The surface of the rotating ring (13) is provided with friction grooves (15).

6. An extrusion die according to claim 4, characterized in that: The inner ring of the outer ring (1) has a storage groove (16), the hot water pipe (6) is stored inside the storage groove (16), and the surface of the hot water pipe (6) is attached to the outer surface of the inner ring (2).

7. An extrusion die according to claim 6, characterized in that: The outer ring of the inner ring (2) has a chamfer (17).

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