Aluminum profile extrusion die

Abstract

The utility model discloses an aluminum profile extrusion die which comprises an upper die and a lower die which are arranged oppositely, a convex ring is arranged on the upper die opposite to the lower die in a protruding mode, a groove is formed in the lower die, the lower surface of the convex ring is attached to the surface of the bottom of the groove, a plurality of clamping blocks arranged at intervals are fixed to the groove of the lower die in the axial direction, and the clamping blocks are clamped in the clamping blocks. A clamping opening is formed in the clamping block in the same circumferential direction, a sliding block capable of being clamped with the clamping opening is fixed to the convex ring in the circumferential direction, and the upper die and the lower die are fixedly connected through a connecting structure. The aluminum profile extrusion die has the advantages that the connection strength can be improved, the service life is prolonged, and assembly is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to profile production and processing equipment technical field especially relates to a kind of aluminium profile extrusion die. BACKGROUND

[0002] Aluminum products have a series of excellent properties, such as good strength, good weather resistance, small density and the like, and are often used to make radiator parts or exterior trim parts. Currently, in the production process of aluminum profiles, an extrusion die is needed to shape the aluminum profiles.

[0003] The extrusion die currently used mainly consists of an upper die and a lower die. When extruding the profile, the material flows into the welding chamber in the lower die after being divided by the shunt hole in the upper die, converges in the welding chamber, and then enters the forming space formed by the die core and the die hole for extrusion forming, and finally is discharged from the die hole.

[0004] However, the profile is extruded at high pressure between the upper die and the lower die, which may cause the upper die and the lower die to separate due to insufficient connection strength, resulting in damage to the extrusion die and affecting the service life. SUMMARY

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] An aluminum profile extrusion die comprises an upper die and a lower die arranged opposite to each other, the upper die is arranged opposite to the lower die and protrudes to form a protruding ring, the lower die is provided with a groove, the lower surface of the protruding ring is attached to the groove bottom surface, the groove of the lower die is axially fixed with a plurality of spaced-apart clamping blocks, the clamping blocks are provided with a clamping hole in the same circumferential direction, the protruding ring is circumferentially fixed with a sliding block capable of being clamped with the clamping hole, and the upper die and the lower die are fixedly connected by a connecting structure.

[0008] In this way, when the upper die and the lower die are connected, the sliding block is arranged opposite to the two clamping blocks of the lower die, and when the upper die and the lower die are attached, the upper die is rotated to make the sliding block clamped into the clamping hole, and then the connecting structure is used to fix the upper die and the lower die. By providing the clamping block and the sliding block, stable connection is provided for the upper die and the lower die, so that the upper die and the lower die can better withstand pressure and prolong the service life. The connecting structure is arranged to form a whole with the upper die and the lower die, which is convenient to use.

[0009] The connecting structure comprises side bolts equal in number to the sliding blocks, the sliding blocks are provided with side threaded holes capable of being connected with the side bolts through threads, the lower die is provided with a side through hole opposite to the opening, when the sliding block is located in the bayonet, the side threaded hole is opposite to the side through hole, the side bolt passes through the side through hole and is connected with the side threaded hole through threads.

[0010] The lower die is provided with a side let-hole coaxially opposite to the side through hole, and the screw head of the side bolt is located in the side let-hole.

[0011] The connecting structure further comprises upper bolts equal in number to the clamping blocks, the clamping blocks are provided with upper threaded holes capable of being connected with the upper bolts through threads, the upper die is provided with an upper through hole, when the sliding block is located in the bayonet, the upper through hole is opposite to the upper threaded hole, the upper bolt passes through the upper through hole and is connected with the upper threaded hole through threads.

[0012] The upper die is provided with an upper let-hole coaxially opposite to the upper through hole, and the screw head of the upper bolt is located in the upper let-hole.

[0013] The inner surface of the clamping block is arc-shaped, and the inner surface of the clamping block is conformally attached to the convex ring.

[0014] In summary, the aluminum profile extrusion die has the advantages of being capable of improving the connecting strength, prolonging the service life and facilitating assembly. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the aluminum profile extrusion die.

[0016] Figure 2 It is Figure 1 a split diagram.

[0017] Figure 3 It is a schematic diagram of the upper die.

[0018] Figure 4 It is a schematic diagram of the lower die. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the protection scope of the utility model;The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0020] AsFigures 1-4 The utility model discloses an aluminum profile extrusion die, including the upper die 1 and lower die 2 of opposite arrangement, the upper die is opposite lower die and is provided with the convex ring 3, the lower die is provided with the recess, the lower surface of the convex ring is attached with the groove bottom surface of recess, the recess of the lower die is axially fixed with a plurality of interval arrangement's clamping block 4, the clamping block is along the same circumferential direction and is provided with the bayonet 5, the circumferential of the convex ring is fixed with the slider 6 that can be clamped with the bayonet, the upper die and lower die are fixedly connected through the connecting structure.

[0021] In this way, when the upper die and the lower die are connected, the slider is opposite between the two clamping blocks of the lower die, when the upper die and the lower die are attached, the upper die is rotated, so that the slider is clamped into the bayonet, and then the upper die and the lower die are fixed by the connecting structure. By the setting of the clamping block and the slider, the upper die and the lower die are stably connected, so that the upper die and the lower die can better withstand pressure and prolong the service life. The setting of the connecting structure makes the upper die and the lower die form a whole, which is convenient to use. The clamping block is provided with a bayonet in the same circumferential direction. When the upper die is rotated, the slider is clamped into the bayonet synchronously.

[0022] When implemented, the connecting structure includes side bolts equal in number to the number of sliders. The slider is provided with a side threaded hole 7 that can be connected with the side bolt through threading. The lower die is provided with a side through hole 8 opposite the opening. When the slider is located in the bayonet, the side threaded hole is opposite the side through hole, and the side bolt passes through the side through hole and is connected with the side threaded hole through threading. The connection between the upper die and the lower die is strengthened from the side, improving the connection reliability.

[0023] When implemented, the lower die is coaxially provided with a side clearance hole opposite the side through hole, and the head of the side bolt is located in the side clearance hole. This facilitates installation.

[0024] When implemented, the connecting structure further includes upper bolts equal in number to the number of clamping blocks. The clamping block is provided with an upper threaded hole 9 that can be connected with the upper bolt through threading. The upper die is provided with an upper through hole 10. When the slider is located in the bayonet, the upper through hole is opposite the upper threaded hole, and the upper bolt passes through the upper through hole and is connected with the upper threaded hole through threading. The connection between the upper die and the lower die is strengthened in the vertical direction, improving the connection reliability.

[0025] When implemented, the upper die is coaxially provided with an upper clearance hole opposite the upper through hole, and the head of the upper bolt is located in the upper clearance hole. This facilitates installation.

[0026] When implemented, the inner surface of the clamping block is arc-shaped, and the inner surface of the clamping block is attached with the convex ring. This facilitates the quick clamping of the slider into the bayonet.

[0027] Finally, it should be noted that the skilled person can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and the statistical number thereof, the present application also intends to include these modifications and variations.

Claims

1. An aluminum profile extrusion die, characterized by, The die set comprises an upper die (1) and a lower die (2) arranged opposite to each other, the upper die is arranged opposite to the lower die and protrudes with a convex ring (3), the lower die is provided with a groove, the lower surface of the convex ring is attached to the groove bottom surface, the lower die is axially fixed with a plurality of spaced-apart clamping blocks (4), the clamping blocks are provided with a clamping hole (5) in the same circumferential direction, the convex ring is circumferentially fixed with a sliding block (6) capable of being clamped with the clamping hole, and the upper die and the lower die are fixedly connected through a connecting structure.

2. The extrusion die for aluminum sections as claimed in claim 1, characterized in that The connecting structure comprises side bolts equal in number to the sliding blocks, the sliding blocks are provided with side threaded holes (7) capable of being threadedly connected with the side bolts, the lower die is provided with a side through hole (8) opposite to the opening, when the sliding block is located in the clamping hole, the side threaded hole is opposite to the side through hole, the side bolt passes through the side through hole and is threadedly connected with the side threaded hole.

3. The extrusion die for aluminum sections as claimed in claim 2, characterized in that The lower die is coaxially provided with a side let hole opposite to the side through hole, and the screw head of the side bolt is located in the side let hole.

4. The extrusion die for aluminum sections as claimed in claim 3, characterized in that The connecting structure further comprises upper bolts equal in number to the clamping blocks, the clamping blocks are provided with upper threaded holes (9) capable of being threadedly connected with the upper bolts, the upper die is provided with an upper through hole (10), when the sliding block is located in the clamping hole, the upper through hole is opposite to the upper threaded hole, the upper bolt passes through the upper through hole and is threadedly connected with the upper threaded hole.

5. An extrusion die for aluminium sections as claimed in claim 4, characterised in that, The upper die is coaxially provided with an upper let hole opposite to the upper through hole, and the screw head of the upper bolt is located in the upper let hole.

6. The extrusion die for aluminum sections as claimed in claim 4, characterized in that The inner surface of the clamping block is arc-shaped, and the inner surface of the clamping block is conformally attached to the convex ring.

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