Aluminum profile extrusion die

Abstract

The utility model discloses an aluminum profile extrusion die which comprises an upper die, the bottom end of the upper die is movably connected with a lower die, four groups of positioning blocks are uniformly distributed around the upper die and the lower die, the top end of the upper die is provided with a diversion groove, the bottom end of the lower die is provided with a discharge hole, and the discharge hole is communicated with the diversion groove. A fixing ring is movably connected to the periphery of the upper mold, four sets of grooves are formed in the inner wall of the fixing ring, two sets of bolts are symmetrically arranged at the top end of the fixing ring, rotating wheels are movably connected to the outer portions of the bolts, protruding parts are fixedly arranged on one sides of the rotating wheels, and shifting blocks are fixedly connected to the other ends of the rotating wheels. The limiting ring is fixedly arranged at the bottom end of the fixing ring and tightly attached to the lower die, single-side sliding is prevented, two sets of fastening devices are additionally arranged on the face, close to the flow dividing groove, of the fixing ring, the upper die and the lower die are clamped and fixed from the two sides, the stability of the die is guaranteed in an all-around mode, and safety accidents caused by sliding of the die are prevented.

Description

An aluminum profile extrusion die Technical Field

[0001] This utility model relates to the field of aluminum profile processing technology, specifically to an aluminum profile extrusion die. Background Technology

[0002] Aluminum profiles are aluminum materials with different cross-sectional shapes obtained by hot melting and extrusion of aluminum rods. In the traditional production process, when aluminum ingots are extruded into aluminum profiles, extrusion dies are generally used to plasticize the aluminum profiles. Since aluminum rods need to be heated to 500 degrees Celsius before extrusion processing, the dies are prone to thermal fatigue. Therefore, extrusion dies need to be frequently replaced during the production process to ensure production quality.

[0003] The molds that need to be replaced generally need to be heated to a certain degree in the forging furnace before they can be used. Therefore, the temperature is extremely high and the weight is very heavy. When changing the mold manually, the upper and lower molds inside the fixing ring are prone to slipping and causing safety accidents. To address this, we propose an aluminum profile extrusion mold. Summary of the Invention

[0004] The purpose of this utility model is to provide an aluminum profile extrusion die to solve the problem mentioned in the background art that the die that needs to be replaced generally needs to be heated to a certain degree in the forging furnace before it can be used. Therefore, the temperature is extremely high and the weight is very heavy. When manually changing the die, the upper and lower dies inside the fixing ring are prone to slipping, causing safety accidents.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an aluminum profile extrusion die, comprising: an upper die, a lower die movably connected to the bottom end of the upper die, four sets of positioning blocks evenly distributed around the upper die and the lower die, a flow channel formed at the top end of the upper die, a discharge hole formed at the bottom end of the lower die, a fixing ring movably connected around the upper die, four sets of grooves formed on the inner wall of the fixing ring, two sets of bolts symmetrically arranged at the top end of the fixing ring, a rotating wheel movably connected to the outside of the bolts, a protrusion fixed on one side of the rotating wheel, an anti-slip strip provided on the surface of the protrusion, a lever fixedly connected to the other end of the rotating wheel, and a limiting ring fixedly provided at the bottom end of the fixing ring.

[0006] Preferably, the rotating wheel is rotatably connected to the bolt, and the lever block forms a linkage structure with the protrusion through the rotating wheel.

[0007] Preferably, the protrusion is arc-shaped, and the radius of the protrusion is slightly larger than the distance between the center point of the bolt and the upper mold. The lever is set at 120 degrees to the central axis of the protrusion.

[0008] Preferably, the position of the positioning block corresponds to the position of the groove, and the positioning block fits into the groove.

[0009] Preferably, the top end of the limiting ring is in close contact with the side of the discharge hole, and the inner diameter of the limiting ring is smaller than the outer diameter of the lower mold.

[0010] Preferably, a reinforcing ring is fixed at the outer center of the fixing ring, and a threaded hole is provided on one side of the reinforcing ring and the fixing ring.

[0011] Compared with the prior art, the present invention provides an aluminum profile extrusion die with the following advantages: the aluminum profile extrusion die adds a limiting ring to the fixed ring, the limiting ring is in close contact with the lower die to prevent slippage on one side, and two sets of fastening devices are added to the side of the fixed ring near the diversion groove to clamp and fix the upper and lower dies from both sides, ensuring the stability of the die in all aspects and preventing safety accidents caused by die slippage. Attached Figure Description

[0012] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 is a schematic diagram of the bottom of this utility model;

[0014] Figure 3 is an enlarged view of point A in Figure 1 of this utility model;

[0015] Figure 4 is a top view of the rotating wheel of this utility model;

[0016] Figure 5 is a front sectional view of this utility model.

[0017] In the picture:

[0018] 1. Upper mold; 12. Lower mold; 13. Positioning block; 14. Diverter channel; 15. Discharge hole;

[0019] 21. Retaining ring; 22. Groove; 23. Reinforcing ring; 24. Threaded hole; 25. Limiting ring;

[0020] Bolt; 31. Rotary wheel; 32. Protrusion; 321. Anti-slip strip; 33. Pulley. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein, and therefore, the present invention is not limited to the specific embodiments disclosed in the following specification. Examples

[0023] As shown in Figures 1 to 4, an aluminum profile extrusion die includes: an upper die 1, a lower die 12 movably connected to the bottom end of the upper die 1, four sets of positioning blocks 13 evenly distributed around the upper die 1 and the lower die 12, a flow channel 14 opened at the top end of the upper die 1, a discharge hole 15 opened at the bottom end of the lower die 12, a fixing ring 2 movably connected around the upper die 1, four sets of grooves 21 opened on the inner wall of the fixing ring 2, two sets of bolts 3 symmetrically arranged at the top end of the fixing ring 2, a rotating wheel 31 movably connected to the outside of the bolts 3, a protrusion 32 fixed on one side of the rotating wheel 31, an anti-slip strip 321 provided on the surface of the protrusion 32, a lever 33 fixedly connected to the other end of the rotating wheel 31, and a limiting ring 24 fixedly provided at the bottom end of the fixing ring 2.

[0024] In this implementation scheme: the upper mold 1 and the lower mold 12 are fastened together; the positioning block 13 plays a positioning role and can be precisely engaged with the fixing ring 2; the diversion groove 14 allows the softened aluminum rod to flow into the mold for plasticization; the plasticized aluminum profile is extruded from the discharge hole 15; the fixing ring 2 plays a role in fixing the mold assembly; the groove 21 in the fixing ring 2 plays a positioning role; the rotating wheel 31 is connected to the fixing ring 2 by bolts 3; the anti-slip strip 321 plays a role in anti-slip; and the limiting ring 24 plays a role in single-sided limiting.

[0025] As shown in Figures 1 and 3, the rotating wheel 31 is rotatably connected to the bolt 3, and the lever 33 forms a linkage structure with the protrusion 32 through the rotating wheel 31.

[0026] In this implementation: Pushing the lever 33 to the right causes the rotating wheel 31 to rotate on the bolt 3, causing the protrusion 32 to slide to the left and fully rub against the upper mold 1 until it can no longer be pushed. The protrusions 32 on both sides exert an inward force to stably clamp the upper mold 1.

[0027] As shown in Figures 1 and 3, the protrusion 32 is arc-shaped, and the radius of the protrusion 32 is slightly larger than the distance between the center point of the bolt 3 and the upper mold 1. The push block 33 is set at 120 degrees to the central axis of the protrusion 32.

[0028] In this embodiment: the protrusion 32 is arc-shaped, which can find the part closest to the upper mold 1 during rotation, and fix the upper mold 1 with the support of the anti-slip strip 321. The slightly larger part can limit the protrusion 32 from rotating due to excessive force. When the lever 33 is perpendicular to the upper mold 1, the protrusion 32 is in a clamped state.

[0029] As shown in Figures 1 and 3, the position of the positioning block 13 corresponds to the position of the groove 21, and the positioning block 13 fits into the groove 21.

[0030] In this implementation scheme: the positioning block 13 can be inserted into the groove 21, so that the installation of the mold assembly will not be tilted.

[0031] As shown in Figures 1 and 3, the top of the limiting ring 24 is in close contact with the side of the discharge hole 15, and the inner diameter of the limiting ring 24 is smaller than the outer diameter of the lower mold 12.

[0032] In this implementation plan: the limiting ring 24 can not only play a limiting role, fixing the side of the discharge hole 15, but also will not affect the discharge.

[0033] As shown in Figures 1 and 3, a reinforcing ring 22 is fixed at the outer middle position of the fixing ring 2, and a threaded hole 23 is provided on one side of the reinforcing ring 22 and the fixing ring 2.

[0034] In this implementation plan: the reinforcing ring 22 serves to strengthen and fix the mold assembly, making it less prone to deformation under high temperature and high pressure. The threaded hole 23 facilitates transfer through the connection of the lifting rod.

[0035] Working principle: When using this aluminum profile extrusion die, the operator first uses tools to insert the die assembly from the calcining furnace into the fixing ring 2 through the positioning block 13 and the groove 21. The limiting ring 24 plays a unilateral limiting role, ensuring that the die assembly will not slip off from the discharge hole 15. Then, push the two sets of levers 33 to the right to drive the rotating wheel 31 to rotate on the bolt 3, causing the protrusion 32 to slide to the left and fully rub against the upper die 1 until it can no longer be pushed. The protrusions 32 on both sides exert an inward force to stably clamp the upper die 1, and the friction is increased by the anti-slip strip 321. At this time, the die assembly is ready. Then, the tail of the lifting rod is... The end is connected to the threaded hole 23 through a threaded connection. The control rod moves the mold assembly to a fixed position inside the extruder for extrusion. The softened aluminum rod enters the mold from the diversion groove 14 for plasticization. The rotating wheel 31 is installed on the side and does not affect the extrusion of the aluminum rod. The plasticized aluminum profile is extruded from the discharge hole 15. When disassembling, push the push block 33 in the opposite direction to release the upper mold 1, and the inner mold can be easily removed. Because of the fastening device, there will be no safety accidents caused by the mold falling off and slipping out during installation and disassembly. The bolts and rotating wheels are made of the same material as the upper and lower mold assemblies (such as H13 steel), which is not easy to deform when heated.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An aluminum profile extrusion die, characterized by, include: The upper mold (1) is movably connected to the bottom of the upper mold (1) and the lower mold (12). Four sets of positioning blocks (13) are evenly distributed around the upper mold (1) and the lower mold (12). A flow divider groove (14) is opened at the top of the upper mold (1) and a discharge hole (15) is opened at the bottom of the lower mold (12). A fixing ring (2) is movably connected around the upper mold (1). Four sets of grooves (21) are opened on the inner wall of the fixing ring (2). Two sets of bolts (3) are symmetrically arranged at the top of the fixing ring (2). A rotating wheel (31) is movably connected to the outside of the bolts (3). A protrusion (32) is fixed on one side of the rotating wheel (31). An anti-slip strip (321) is provided on the surface of the protrusion (32). A lever (33) is fixedly connected to the other end of the rotating wheel (31). A limiting ring (24) is fixed at the bottom of the fixing ring (2).

2. The extrusion die for aluminum sections as claimed in claim 1, characterized in that The rotating wheel (31) is rotatably connected to the bolt (3), and the lever (33) forms a linkage structure with the protrusion (32) through the rotating wheel (31).

3. The aluminum profile extrusion die according to claim 1, characterized in that, The protrusion (32) is arc-shaped, and the radius of the protrusion (32) is slightly larger than the distance between the center point of the bolt (3) and the upper mold (1). The push block (33) is set at 120 degrees to the central axis of the protrusion (32).

4. The aluminum profile extrusion die according to claim 1, characterized in that, The position of the positioning block (13) corresponds to the position of the groove (21), and the positioning block (13) fits into the groove (21).

5. An aluminum profile extrusion die according to claim 2, characterized in that, The top of the limiting ring (24) is close to the side of the discharge hole (15), and the inner diameter of the limiting ring (24) is smaller than the outer diameter of the lower mold (12).

6. The extrusion die for aluminum sections as claimed in claim 1, characterized in that, A reinforcing ring (22) is fixed at the outer middle position of the fixing ring (2), and a threaded hole (23) is provided on one side of the reinforcing ring (22) and the fixing ring (2).

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