CN218656166U - Novel aluminum extrusion die for large cantilever building - Google Patents

Abstract

The utility model provides a novel big cantilever is aluminium extrusion die for building, including the last mould and the lower mould of mutually supporting, go up and be provided with first feed port on the mould and around a plurality of second feed ports that first feed port set up, third feed port and fourth feed port, be provided with in the first feed port and assist the bridge, second feed port and fourth feed port are equipped with by last mould center department to the first pan feeding angle and the second pan feeding angle of incline in week by feeding terminal surface to discharge end face, and second pan feeding angle inclination angle is greater than first pan feeding angle, and the third pan feeding angle has still been seted up to the fourth feed port, the utility model has the advantages of it is even to reduce cantilever position bullet and become to guarantee each position feed.

Description

Novel aluminum extrusion die for large-cantilever building

Technical Field

The utility model relates to a hot extrusion die technical field especially relates to a novel big aluminium extrusion die for cantilever building.

Background

The large cantilever section is usually extruded and formed by an extrusion die in the production process, and the cantilever is easily extruded and collapsed due to uneven feeding in the extrusion process, so that qualified products cannot be produced.

Chinese patent CN201922223332.7 is a large cantilever aluminum extrusion die, which comprises a flow guiding die and a pattern die, wherein the flow guiding die is provided with a plurality of flow dividing holes communicated with the pattern die, a flow guiding bridge is formed between the flow dividing holes, the pattern die comprises a welding chamber, a flow blocking block is arranged in the welding chamber in an upward protruding manner, the flow blocking block is located at a position where the thickness of the section wall is large, and aluminum material enters the welding chamber after the flow guiding bridge is divided into a plurality of strands and is molded.

However, when the large-section cantilever-type profile is discharged, the cantilever position is easy to deform, and the mould is scrapped due to uneven feeding at each position.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, provide a novel big cantilever aluminum extrusion die for building, through last mould a plurality of feed ports, assist the setting at bridge and pan feeding angle, make the regional easier feed of difficult feed, solved the inhomogeneous problem of feed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel big cantilever aluminum extrusion die for building, is including the last mould and the lower mould of mutually supporting, go up and be provided with first feed port on the mould and around a plurality of second feed ports, third feed port and the fourth feed port of first feed port setting, be provided with in the first feed port and assist the bridge, second feed port and fourth feed port are equipped with by last mould center department to the first pan feeding angle and the second pan feeding angle of week side slope by feed end face to discharge end face, second pan feeding angle inclination angle is greater than first pan feeding angle, the third pan feeding angle has still been seted up to the fourth feed port.

Preferably, all be provided with the reposition of redundant personnel bridge between two adjacent feed ports, the reposition of redundant personnel bridge becomes heavy setting gradually by last mould periphery side direction center department.

Preferably, one end of the shunting bridge, which is opposite to the discharging end face, is provided with a discharging sinking bridge.

Preferably, one end of the flow dividing bridge, which is opposite to the feeding end face, is provided with a pressure reducing angle.

Preferably, the center of the lower die is provided with a welding chamber, and a flow resisting base block is arranged in the welding chamber.

Preferably, the auxiliary bridge is perpendicular to the upper side wall and the lower side wall of the first feeding hole.

Preferably, a feeding receiving angle is arranged at the joint of the auxiliary bridge and the side wall of the first feeding hole.

Preferably, one end of the feeding hole, which is opposite to the discharging end face, is provided with a pressure reducing side.

Preferably, one end of the auxiliary bridge, which is opposite to the discharge port, is provided with a discharge inclination angle.

The beneficial effects of the utility model reside in that:

(1) The utility model discloses a second pan feeding angle and the third pan feeding angle that set up to assist the bridge and cooperate and assist the bridge setting to set up makes its velocity of flow of aluminium material of flowing through reach the balance, guarantees that ejection of compact size can effectively quick little friction outwards fill, guarantees that the outside feed is sufficient, thereby changes the inclination to first pan feeding angle and second pan feeding angle according to the first size of different worker simultaneously and makes each worker's head department feed velocity of flow evenly stable.

(2) The utility model discloses a reposition of redundant personnel bridge gradually sinks the formula and sets up the pressure that reduces the mould and bear the extruder, and the risk that splits after this design reduces the mould and operate the computer prolongs mould life greatly, disperses pan feeding pressure with the reasonable slope at third pan feeding angle, guarantees that the pressure that the mould bore does not surpass the bearing range.

To sum up, the utility model has the advantages of it guarantees that each position feed is even to reduce cantilever position bullet.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side sectional view of the upper mold of the present invention;

FIG. 3 is a schematic view of the lower mold of the present invention;

FIG. 4 is a front view of the upper mold of the present invention;

fig. 5 is a schematic view of the back of the upper die of the present invention.

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.

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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed 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 to implicitly indicate 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 limited otherwise.

Example one

As shown in fig. 1-3, 5, this embodiment provides a novel big aluminium extrusion die for cantilever building, including last mould 1 and lower mould 2 of mutually supporting, go up and be provided with first feed port 3 on the mould 1 and around a plurality of second feed port 4 of first feed port 3 setting, third feed port 5 and fourth feed port 6, be provided with in the first feed port 3 and assist bridge 31, second feed port 4 and fourth feed port 6 are equipped with by last mould 1 center department to the first pan feeding angle 41 and the second pan feeding angle 61 of week side slope to the discharge end face by feed end face, second pan feeding angle 61 inclination is greater than first pan feeding angle 41, third pan feeding angle 62 has still been seted up to fourth feed port 6.

In this embodiment, set up in first feed port and assist bridge 31 and assist the height that highly is less than first feed port 31 of bridge 31, realize multistage reposition of redundant personnel, stability during the increase feed, with second pan feeding angle 61 and third pan feeding angle 62, make its velocity of flow reach equilibrium, guarantee that ejection of compact size can effectively quick little friction outwards fill, guarantee that the outside feed is sufficient, thereby it is even stable to change the velocity of flow of making each worker head department feed simultaneously according to the corresponding inclination to first pan feeding angle 61 and second pan feeding angle 41 of different worker head sizes.

Preferably, as shown in fig. 1, a flow dividing bridge 7 is arranged between two adjacent feeding holes,

the shunt bridge 7 is arranged in a gradually sinking manner from the peripheral side center of the upper die 1.

In this embodiment, the pressure that the mould bore the extruder is reduced in the gradually formula setting of reposition of redundant personnel bridge 7, because the great selection of cross-section very easily leads to the big mould of the pressure of operating the computer to scrap than longer, and this design reduces the risk that the mould cracked after operating the computer, prolongs mould life greatly, and with the reasonable slope dispersion pan feeding pressure of third pan feeding angle 62, the pressure of guaranteeing that the mould bore does not surpass and bears the scope.

Preferably, as shown in fig. 4, the end of the diversion bridge 7 opposite to the discharging end face is provided with a discharging sink

A bridge 71.

In the embodiment, the pressure of the aluminum ingot flowing through the workpiece head is reduced, and the risk that the small workpiece head is washed away is reduced.

Preferably, as shown in fig. 1, the end of the flow-dividing bridge 7 facing the feed end face is provided with a pressure-reducing angle 71.

In the embodiment, the pressure reducing angle 71 is arranged at the feeding end surface, so that the contact area between the die and the feeding material is increased, the pressure intensity is reduced, and the die quality is ensured.

Preferably, as shown in fig. 3, a welding chamber 21 is provided at the center of the lower die 2, and the welding chamber is provided therein

There is a choked flow base block 22.

Preferably, as shown in connection with fig. 1, the auxiliary bridges 31 are arranged perpendicular to the upper and lower side walls of the first inlet openings 3.

In this embodiment, the auxiliary bridge 31 uniformly divides the first feeding hole 3 into two parts, so that the feeding is uniform on both sides

Reducing the risk of small workheads being washed away

Preferably, as shown in fig. 1 and 4, the connecting part of the auxiliary bridge 31 and the side wall of the first feeding hole is provided with an inlet

The receiving angle 311.

In this embodiment, the setting of the receiving angle 311 further increases the contact area with the feeding material to reduce the pressure, and simultaneously ensures the accuracy of the flow rate and the discharging size of the feeding material flowing through the auxiliary bridge 31.

Preferably, as shown in fig. 1, a blank reducing edge 9 is arranged at one end of the feeding hole opposite to the discharging end face.

In this embodiment, the pressure reducing edge 9 makes the material fed stably enter the mold to avoid the jamming and reduce the pressure applied to the mold.

Preferably, as shown in fig. 2, the end of the auxiliary bridge 31 facing the discharge port is provided with a discharge inclination angle 8.

In this embodiment, the connection of the discharging inclination angle 8 and the auxiliary bridge 31 solves the problem of feeding at the position where feeding is difficult.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. The utility model provides a novel big cantilever aluminum extrusion die for building, is including the last mould and the lower mould of mutually supporting, go up and be provided with first feed port on the mould and around a plurality of second feed ports, third feed port and the fourth feed port that first feed port set up, its characterized in that, be provided with in the first feed port and assist the bridge, second feed port and fourth feed port are equipped with by last mould center department to the first pan feeding angle and the second pan feeding angle of week side slope by feed end face to discharge end face, second pan feeding angle inclination angle is greater than first pan feeding angle, the third pan feeding angle has still been seted up to the fourth feed port.

2. The novel large cantilever building aluminum extrusion die as claimed in claim 1, wherein a diversion bridge is arranged between two adjacent feed holes, and the diversion bridge is gradually sunk from the lateral center of the periphery of the upper die.

3. The novel large cantilever building aluminum extrusion die as claimed in claim 2, wherein the end of the diversion bridge facing the discharge end face is provided with a discharge sinking bridge.

4. The novel large cantilever building aluminum extrusion die as claimed in any one of claims 2-3, wherein the die is characterized in that

Characterized in that one end of the flow dividing bridge, which is opposite to the feeding end face, is provided with a pressure reducing angle.

5. The novel large cantilever building aluminum extrusion die as claimed in claim 1, wherein the lower die is provided with a welding chamber at the center, and a flow resisting base block is arranged in the welding chamber.

6. The novel aluminum extrusion die for large cantilever buildings as claimed in claim 1, wherein the auxiliary bridge is arranged perpendicular to the upper and lower side walls of the first feeding hole.

7. The novel large cantilever building aluminum extrusion die as claimed in claim 6, wherein a feeding receiving angle is provided at the junction of the auxiliary bridge and the side wall of the first feeding hole.

8. The novel large cantilever building aluminum extrusion die as claimed in claim 1, wherein a pressure reducing edge is provided at the end of the feed hole opposite to the discharge end face.

9. The novel large cantilever building aluminum extrusion die as claimed in claim 1, wherein the end of the auxiliary bridge facing the discharge port is provided with a discharge inclination angle.

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