CN218517432U - Battery compartment aluminium alloy hot extrusion die - Google Patents

Abstract

The utility model discloses a hot extrusion die of battery compartment aluminium alloy goes up mould and lower mould, it constitutes the mould body to go up the mutual close-fitting of mould and lower mould, it has seted up the hole to go up mould side surface, the inside reposition of redundant personnel bridge that is equipped with of hole, the reposition of redundant personnel bridge is connected with last mould, the hole is shunted the hole for a plurality of by reposition of redundant personnel bridge interval, reposition of redundant personnel bridge one side is connected with the shaping work area, independent through-hole has been seted up to reposition of redundant personnel bridge side surface. The utility model discloses an independent through-hole is seted up on the reposition of redundant personnel bridge of upper mould, provide more aluminium flows flow for the shaping work band top of die cavity, simultaneously through the indoor portion leading work area of addding of welding at the lower mould, make the aluminium flow can flow to the die cavity in the very first time, thereby aluminium flows out when avoiding the battery compartment shaping and appears the great problem of extrusion speed difference, reduce the velocity difference of flow of battery compartment thick point and thin point, after guaranteeing the battery compartment aluminium alloy production, the material is even, each wall thickness is unanimous, the qualification rate is higher.

Description

Battery compartment aluminium alloy hot extrusion die

Technical Field

The utility model particularly relates to a hot extrusion die of battery compartment aluminium alloy.

Background

The existing new energy automobile is a substitute product of the traditional fuel oil automobile and has exhibited explosive development, a large amount of aluminum profiles are required for light weight and battery management, wherein a battery compartment for a battery of the new energy automobile is an aluminum profile structure directly manufactured by aluminum flow under hot extrusion of a mold, the battery can be effectively protected from being influenced by the outside, and along with the continuous development of the society, the aluminum profile type battery compartment for the battery of the new energy automobile inevitably brings huge business opportunities to mold manufacturers, and therefore a plurality of manufacturers are introduced to act.

But the hot extrusion die of present production battery compartment when in actual use, all directly set up the working tape in one side of reposition of redundant personnel bridge usually, this mode can cause reposition of redundant personnel bridge department aluminium to flow velocity of flow uneven, and the aluminium flows the feed not enough, and the battery compartment section bar wall thickness that causes production differs great, and the disability rate is high.

Therefore, it is necessary to invent a hot extrusion die for battery compartment aluminum profiles to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery compartment aluminium alloy hot extrusion die, through offering an independent through-hole on last mould reposition of redundant personnel bridge, provide more aluminium flows flow for the shaping work area top in the die cavity, simultaneously through the leading work area of addding at the indoor portion of the seam of lower mould, make the aluminium flow can flow to the die cavity in the very first time, thereby the aluminium flow appears and extrudes the great problem of speed difference when avoiding the battery compartment shaping, reduce the velocity difference of flow of battery compartment thick point and thin point, guarantee after the battery compartment aluminium alloy is produced, the material is even, each wall thickness is unanimous, the qualification rate is higher, in order to solve the above-mentioned in the technique weak point.

In order to achieve the above object, the present invention provides the following technical solutions: a hot extrusion die for battery compartment aluminum profiles comprises an upper die and a lower die, wherein the upper die and the lower die are mutually tightly matched to form a die body;

the forming die is characterized in that a hole is formed in the surface of one side of the upper die, a shunting bridge is arranged in the hole and connected with the upper die, the hole is divided into a plurality of shunting holes by the shunting bridge at intervals, a forming working belt is connected to one side of the shunting bridge, and an independent through hole is formed in the surface of one side of the shunting bridge;

the lower die comprises a welding chamber, a cavity and a discharge hole, the welding chamber is connected with the discharge hole through the cavity, the welding chamber is arranged close to the upper die, a front working belt is arranged in the welding chamber, and the front working belt is connected with the lower die;

the forming working band penetrates through the welding chamber and extends into the cavity for hot extrusion forming of the battery compartment aluminum profile.

Preferably, the upper die and the lower die are both provided with screw holes and are tightly matched through bolts.

Preferably, the upper die and the lower die are both made of H13 die steel and are both disc-shaped.

Preferably, the number of the shunting holes is eight.

Preferably, the individual through-holes are provided in a concave shape.

Preferably, the bottom of the front working band is processed with a blocking angle, and the inclination angle is set to be 5 degrees.

Preferably, the discharge hole is arranged in a step shape from inside to outside.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up an independent through-hole on the reposition of redundant personnel bridge of upper mould, make partly aluminium flow can be through independent through-hole flow direction lower mould, provide more aluminium flow for the shaping work area top in the die cavity, simultaneously through set up leading work area in the indoor portion of the seam of lower mould, it can block partly to collect the aluminium flow that comes in reposition of redundant personnel hole and independent through-hole, can flow to the die cavity in making its the very first time, aluminium flows out when the battery compartment shaping can be avoided to the mould body through this design and appears the extrusion speed and differ great problem, it is poor to reduce the class of flow of battery compartment thick point and thin point, guarantee the size stability of thick point and thin point, and then after guaranteeing the battery compartment aluminium alloy production, the material is even, each wall thickness is unanimous, the qualification rate is higher.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a schematic view of the front structure of the upper mold of the present invention;

fig. 3 is a schematic view of the back structure of the upper mold of the present invention;

FIG. 4 is a schematic view of the front structure of the lower mold of the present invention;

fig. 5 is a schematic view of the back structure of the lower mold of the present invention;

fig. 6 is a side view of the battery compartment aluminum profile.

Description of reference numerals:

1 upper die, 2 lower die, 11 holes, 12 shunting bridges, 13 shunting holes, 14 molding working belts, 15 independent through holes, 21 welding chambers, 22 cavities, 23 discharging holes and 24 preposing working belts.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a battery compartment aluminum profile hot extrusion die as shown in figures 1-6, which comprises an upper die 1 and a lower die 2, wherein the upper die 1 and the lower die 2 are mutually tightly matched to form a die body;

a hole 11 is formed in the surface of one side of the upper die 1, a shunt bridge 12 is arranged inside the hole 11, the shunt bridge 12 is connected with the upper die 1, the hole 11 is divided into a plurality of shunt holes 13 by the shunt bridge 12, a forming working tape 14 is connected to one side of the shunt bridge 12, and an independent through hole 15 is formed in the surface of one side of the shunt bridge 12;

the lower die 2 comprises a welding chamber 21, a cavity 22 and a discharge hole 23, the welding chamber 21 is connected with the discharge hole 23 through the cavity 22, the welding chamber 21 is arranged close to the upper die 1, a preposed working belt 24 is arranged in the welding chamber 21, and the preposed working belt 24 is connected with the lower die 2;

the forming working belt 14 penetrates through the welding chamber 21 and extends into the cavity 22, and is used for hot extrusion forming of the battery compartment aluminum profile.

Further, in the above technical scheme, all seted up the screw on last mould 1 and the lower mould 2, and through the bolt tight fit, be convenient for go up the equipment of mould 1 and lower mould 2 for the mould body of production battery compartment aluminium alloy is made to rigid coupling that the two can be quick.

Further, in the above technical solution, the upper die 1 and the lower die 2 are both made of H13 die steel and are both disc-shaped, so that the upper die 1 and the lower die 2 can be conveniently used.

Further, in the above technical solution, the number of the diversion holes 13 is set to eight, so that the aluminum flow flowing into the upper die 1 is divided into eight parts, thereby reducing the impact of the aluminum flow on the upper die 1 and indirectly improving the strength of the upper die 1.

Furthermore, in the above technical scheme, the independent through hole 15 is set to be concave, the bottom of the front working band 24 is processed with a blocking angle, and the inclination angle is set to be 5 degrees, so that more aluminum flow is provided for the top of the forming working band 14 in the cavity 22, the aluminum flow at the top and the bottom of the working band is balanced, the flow speed difference between the thick point and the thin point of the battery compartment is reduced, and the production quality of the battery compartment aluminum profile is further improved.

Further, in the above technical scheme, the discharge hole 23 is arranged in a step shape from inside to outside, so that the battery compartment aluminum profile is conveniently discharged after the die cavity 22 is subjected to hot extrusion, and the continuous production of the die body is facilitated.

The implementation mode specifically comprises the following steps: when the utility model is used, as shown in fig. 6, the top of the battery compartment aluminum profile is protruded, the material consumption is more, the material consumption is thick, the bottom of the battery compartment aluminum profile is smooth, the material consumption is less, the material consumption is thin, the thin points are all known in the prior art, when the die body is used, aluminum flows through the hole 11 of the upper die 1 to flow to the lower die 2, and in the process, the aluminum flows are firstly blocked by the shunting bridge 12 to form a plurality of strands which stably flow into the upper die 1, so that the impact force of the aluminum flow received by the upper die 1 is reduced, the service life of the upper die 1 is prolonged, meanwhile, a part of the aluminum flows into the independent through hole 15 and further flows to the lower die 2, more aluminum flow is provided for the top of the forming working band 14 in the cavity 22, thereby avoiding the top of the forming working band 14, namely the shortage of material supply at the thick point when the battery compartment is formed, which causes the problem that the extrusion speed of the upper aluminum flow and the lower aluminum flow is greatly different, meanwhile, the preposed working belt 24 is additionally arranged in the welding chamber 21 of the lower die 2 and can block a part of aluminum flow gathered from the shunting hole 13 and the independent through hole 15, so that the aluminum flow can flow to the cavity 22 in the first time, the flow speed difference between the thick point and the thin point of the battery bin is reduced again, the size stability of the thick point and the thin point is ensured, the problem that the wall thickness difference of the produced battery bin is large is avoided, the battery bin aluminum profile formed by the cavity 22 can be separated from the die body after passing through the discharge hole 23, the batch production of the battery bin aluminum profile is realized, the embodiment specifically solves the problems that the existing hot extrusion die for producing the battery bin is usually directly arranged at one side of the shunting bridge 12 when in actual use, so that the working belt is close to the shunting bridge 12, the mode can cause the uneven flow speed of the aluminum flow at the shunting bridge 12 and insufficient aluminum flow supply, the problems of large wall thickness difference and high rejection rate of the produced battery compartment section are caused.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims (7)

1. The utility model provides a battery compartment aluminium alloy hot extrusion die which characterized in that: the die comprises an upper die (1) and a lower die (2), wherein the upper die (1) and the lower die (2) are mutually and tightly matched to form a die body;

a hole (11) is formed in the surface of one side of the upper die (1), a shunt bridge (12) is arranged in the hole (11), the shunt bridge (12) is connected with the upper die (1), the hole (11) is divided into a plurality of shunt holes (13) by the shunt bridge (12) at intervals, a forming working belt (14) is connected to one side of the shunt bridge (12), and an independent through hole (15) is formed in the surface of one side of the shunt bridge (12);

the lower die (2) comprises a welding chamber (21), a cavity (22) and a discharge hole (23), the welding chamber (21) is connected with the discharge hole (23) through the cavity (22), the welding chamber (21) is arranged close to the upper die (1), a preposed working belt (24) is arranged inside the welding chamber (21), and the preposed working belt (24) is connected with the lower die (2);

the forming working belt (14) penetrates through the welding chamber (21) and extends into the cavity (22) for hot extrusion forming of the battery compartment aluminum profile.

2. The battery compartment aluminum profile hot extrusion die of claim 1, characterized in that: the upper die (1) and the lower die (2) are both provided with screw holes and are tightly matched through bolts.

3. The battery compartment aluminum profile hot extrusion die as claimed in claim 1, wherein: go up mould (1) and lower mould (2) and be H13 mould steel and make, and all set up to discoid.

4. The battery compartment aluminum profile hot extrusion die of claim 1, characterized in that: the number of the shunting holes (13) is eight.

5. The battery compartment aluminum profile hot extrusion die of claim 1, characterized in that: the independent through hole (15) is arranged in a concave shape.

6. The battery compartment aluminum profile hot extrusion die of claim 1, characterized in that: the bottom of the front working belt (24) is provided with a blocking angle, and the inclination angle is set to be 5 degrees.

7. The battery compartment aluminum profile hot extrusion die as claimed in claim 1, wherein: the discharge hole (23) is arranged in a step shape from inside to outside.

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