Aluminum motor assembly extrusion die

Abstract

The utility model belongs to the technical field of motors, and particularly relates to an aluminum motor assembly extrusion die which comprises an upper die body, a lower die body, a first connecting ring and a second connecting ring, a first threaded hole is jointly formed in the upper die body and the lower die body, and a first bolt is in threaded connection with the interior of the first threaded hole. The first connecting ring and the second connecting ring are welded to the upper die body and the lower die body respectively, the first connecting ring is connected with the second connecting ring through the fixing device, the connecting strength of the upper die and the lower die is improved, and therefore the phenomenon that the upper die body and the lower die body are disintegrated due to insufficient connecting strength is avoided. The production efficiency and the product quality are influenced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field especially relates to a kind of aluminium motor assembly extrusion die. BACKGROUND

[0002] The motor housing of new energy automobile adopts cast steel motor housing before, and the cast steel motor housing is low in heat dissipation efficiency, poor in corrosion resistance, short in service life, and very heavy in weight, and the water-cooled motor shell of aluminium alloy material is currently more excellent in performance instead of cast steel motor housing, and the water-cooled motor shell of aluminium alloy needs to use special mould.

[0003] Chinese utility model patent CN220591542U discloses a kind of aluminium motor shell extrusion die, including: including mould one, several circumferential distribution and axial through mould one shunt hole are arranged on mould one;Mould two, the front end of mould two is provided with fixed welding chamber, the rear end of mould two is provided with the discharge cavity being communicated with fixed welding chamber;Mould core assembly, mould core assembly includes mould core main body, mould core main body is rotationally connected at the rear end of mould one and with mould one coaxial line.This scheme is by setting mould core assembly, in the process of forming motor shell, by driving mould core main body rotation, to drive shunt protrusion slowly rotate, can form spiral water-cooled channel.

[0004] In the above technical scheme, the upper die and the lower die are connected by bolts, and since a great pressure is formed when the aluminum profile is extruded, the bolts are easily broken, causing the upper die body and the lower die body to separate due to insufficient connection strength. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above-mentioned technical problem, provides a kind of aluminium motor assembly extrusion die, reaches the connection strength of upper die and lower die is improved, to avoid the phenomenon that upper die body and lower die body separate due to insufficient connection strength.Influence production efficiency and product quality.

[0006] Therefore, the utility model provides a kind of aluminium motor assembly extrusion die, including: upper die body (1) and lower die body (2), first threaded hole (9) is equipped in common on the upper die body (1) and lower die body (2), first threaded hole is screw-threaded with first bolt, further including:

[0007] First connecting ring and second connecting ring, the first connecting ring and the second connecting ring are respectively welded on the upper die body and the lower die body, and the first connecting ring is connected with the second connecting ring by fixing device.

[0008] In the technical solution, the first connecting ring and the second connecting ring are welded on the upper die body and the lower die body respectively, and the two connecting rings are connected together through the fixing device, so that the connecting strength of the upper die and the lower die can be effectively improved, the disconnection caused by insufficient connecting strength can be avoided, the possibility of failure of the die during use can be reduced, and the production efficiency can be improved.

[0009] In the technical solution, the fixing device comprises:

[0010] The guide column is circumferentially arranged on the back surface of the upper die body, and the guide column is provided with a limiting column on each of the four sides.

[0011] The limiting member is detachably connected to the lower die body and is used for limiting the guide column in the limiting slot.

[0012] In the technical solution, the lower die body is circumferentially provided with a plurality of mounting grooves, and a second threaded hole is symmetrically arranged at the bottom end of the mounting groove.

[0013] In the technical solution, the limiting member comprises a limiting plate, and the limiting plate is provided with a plug on one side close to the mounting groove.

[0014] In the technical solution, the guide column and the limiting columns on both sides of the guide column are provided with a plug opening for the plug to be inserted.

[0015] In the technical solution, the guide column is circumferentially arranged on the back surface of the upper die body, and the guide column is provided with a limiting column on each of the four sides.

[0016] In the technical solution, the upper die body is provided with a plurality of circumferentially distributed and axially penetrating shunt holes on the front surface, and a foreman support bridge is arranged between the shunt holes.

[0017] In the above technical scheme, further, the front face of the lower die body is provided with an extrusion groove matched with the foreman, the extrusion groove penetrates through the lower die body and the back face of the lower die body, the four corners of the extrusion groove are provided with protruding parts, and the protruding parts are all provided with a plurality of convex edges in a wave shape.

[0018] The utility model discloses the beneficial effects are:

[0019] 1. by setting first connecting ring and second connecting ring, and they are welded on the upper die body and lower die body respectively, then two connecting rings are connected together through fixing device, can effectively improve the connecting strength of upper die and lower die, avoid the phenomenon of collapse caused by insufficient connecting strength, then reduce the possibility of failure of mould in the use process, thereby improve production efficiency.

[0020] 2. by being equipped with the convex edge in the wave shape on the protruding part, expands the surface area while avoiding the aging and service life of mould caused by the impact of aluminium liquid feeding. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the utility model kind of aluminium motor assembly extrusion die;

[0022] Figure 2 It is a structure schematic view of the back face of the upper die body of the utility model kind of aluminium motor assembly extrusion die;

[0023] Figure 3 It is a structure schematic view of the front face of the lower die body of the utility model kind of aluminium motor assembly extrusion die;

[0024] Figure 4 It is a structure schematic view of the back face of the lower die body of the utility model kind of aluminium motor assembly extrusion die;

[0025] Marked in the drawing as:

[0026] 1, upper die body;2, lower die body;3, first connecting ring;4, second connecting ring;5, fixing device;501, guide column;502, limit post;503, limit slot;504, installation slot;505, limit plate;506, insert sheet;507, second threaded hole;508, second bolt;509, spout;6, shunt hole;7, foreman support bridge;8, foreman;9, first threaded hole;10, first bolt;11, feeding area;12, extrusion area;13, extrusion groove;14, protruding part;15, convex edge. DETAILED DESCRIPTION

[0027] With reference to the drawings and the embodiments described herein, it will be understood that the drawings and embodiments are illustrative of only a few of the embodiments of the present application and are not therefore to be considered limiting of its scope, for the application is not limited to the embodiments illustrated in the description below.

[0028] In the description of the present application, it should be understood that the terms used herein are for the purpose of describing specific embodiments and are not intended to limit the example embodiments of the present application. For the purpose of description, the size of each part shown in the drawings is not drawn in proportion. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of the example embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0029] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the use of such terms is interchangeable under appropriate circumstances such that the embodiments of the present application described herein are capable of operation in other sequences than those illustrated or otherwise described herein. The terms "first", "second", and the like, so used in the description and claims are also not necessarily used consistently in all the embodiments of the present application. Furthermore, terms such as "and / or" are used herein to mean either or both of the items so joined can be employed by itself, or in combination with another item. The term "and / or", is also used to mean that the items so joined are one, the other, or both of the items are employed in, for example, the featured embodiment.

[0030] It should be noted that in the description of the present application, the terms of orientation such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal", and "top, bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used for the convenience of description of the present application and simplification of the description, and in the absence of contrary description, these orientation terms do not indicate or imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be understood as limiting the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of the parts themselves.

[0031] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0032] Example 1:

[0033] Depend on Figures 1-4 As shown, this embodiment provides an aluminum motor assembly extrusion die, including: an upper die body 1 and a lower die body 2. The upper die body 1 and the lower die body 2 share a first threaded hole 9, with a first bolt 10 threaded into the first threaded hole 9. The die also includes: a first connecting ring 3 and a second connecting ring 4. The first connecting ring 3 and the second connecting ring 4 are respectively welded to the upper die body 1 and the lower die body 2. The first connecting ring 3 is connected to the second connecting ring 4 via a fixing device 5. By setting the first connecting ring 3 and the second connecting ring 4, and welding them respectively to the upper die body 1 and the lower die body 2, and then connecting the two connecting rings together via the fixing device 5, the connection strength between the upper and lower dies can be effectively improved, avoiding breakage due to insufficient connection strength, thereby reducing the possibility of die failure during use and improving production efficiency.

[0034] Further, the fixing device 5 comprises: guide columns 501 circumferentially arranged on the back of the upper die body 1, the four sides of the guide columns 501 are each provided with a limiting column 502, the lower die body 2 is provided with a limiting groove 503 matched with the guide columns 501 and the limiting columns 502; a limiting member which is detachably connected to the lower die body 2 and used for limiting the guide columns 501 in the limiting groove 503. The lower die body 2 is circumferentially provided with a plurality of mounting grooves 504 on the side, the bottom end of the mounting groove 504 is symmetrically provided with a second threaded hole 507, and the limiting member is fixed in the mounting groove 504 through a second bolt 508. The limiting member comprises: a limiting plate 505, one side of the limiting plate 505 close to the mounting groove 504 is provided with an insertion piece 506, and the insertion piece 506 penetrates the mounting groove 504 and the limiting groove 503. The guide columns 501 and the limiting columns 502 on both sides of the guide columns 501 are jointly provided with an insertion port 509 for the insertion of the insertion piece 506.

[0035] By circumferentially arranging the guide columns 501 on the back of the upper die body 1 and arranging the limiting columns 502 on the four sides of the guide columns 501, the design can ensure that when the upper die body 1 is combined with the lower die body 2, the limiting columns 502 and the guide columns 501 can be inserted into the limiting groove 503, providing a certain positioning effect. Then the insertion piece 506 connected with the limiting plate 505 is inserted into the insertion port 509 on the guide columns 501 and the limiting columns 502 through the mounting groove 504, further fixing and limiting the guide columns 501 in the limiting groove 503, thereby further reinforcing the connection strength of the upper die body 1 and the lower die body 2. Then the bottom end of the mounting groove 504 is symmetrically provided with a second threaded hole 507, so that the limiting member can be fixed in the mounting groove 504 through a second bolt 508, and the installation and disassembly of the limiting member are very convenient.

[0036] The upper die body 1 is provided with a plurality of circumferentially distributed and axially penetrating upper die body 1 shunt holes 6, and a foreman 8 supporting bridge 7 is arranged between the shunt holes 6, and the foreman 8 supporting bridge 7 is provided with a circular ring-shaped foreman 8 at one end of the upper die body 1. The lower die body 2 is provided with an extrusion groove 13 matched with the foreman 8 at one end of the front face, the extrusion groove 13 penetrates the lower die body 2 and the back of the lower die body 2, and the extrusion groove 13 is provided with a protruding portion 14 at the four corners, and the protruding portion 14 is provided with a plurality of convex edges 15 in a wave shape. By arranging the convex edges 15 in a wave shape on the protruding portion 14, the surface area is enlarged while avoiding the aging and service life of the mold caused by the impact of aluminum liquid feeding. The upper die body 1 has a feeding area 11, the lower die body 2 has an extrusion area 12, the foreman 8 supporting bridge 7 is located in the feeding area 11, and the extrusion groove 13 is located in the extrusion area 12.

[0037] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. An aluminum motor assembly extrusion die comprising: Upper die body (1) and lower die body (2), first threaded hole (9) is provided on the upper die body (1) and lower die body (2), the first threaded hole (9) is threadedly connected with first bolt (10), characterized in that, further comprising: First connecting ring (3) and second connecting ring (4), the first connecting ring (3) and second connecting ring (4) are welded on the upper die body (1) and lower die body (2), respectively, the first connecting ring (3) is connected with the second connecting ring (4) through the fixing device (5).

2. An aluminum motor assembly extrusion die as defined in claim 1, wherein: The fixing device (5) comprises: The guide column (501) is circumferentially arranged on the back of the upper die body (1), the guide column (501) is provided with limiting column (502) on four sides, the lower die body (2) is provided with limiting groove (503) matched with guide column (501) and limiting column (502); Limiting piece, the limiting piece is detachably connected to the lower die body (2), and is used for limiting the guide column (501) in the limiting groove (503).

3. An extrusion die for an aluminum electrical machine component according to claim 2, wherein: The lower die body (2) is circumferentially provided with a plurality of mounting grooves (504), the second threaded hole (507) is symmetrically arranged in the bottom end of the mounting groove (504), and the limiting piece is fixed in the mounting groove (504) by the second bolt (508).

4. An extrusion die for an aluminum electrical machine component according to claim 3, wherein: The guide column (501) and the limiting column (502) on both sides of the guide column (501) are provided with the spigot (509) for inserting the insert (506) together.

5. An aluminum motor assembly extrusion die as defined in claim 1, wherein: The upper die body (1) is provided with a plurality of circumferentially distributed and axially penetrating upper die body (1) shunt holes (6), and a foreman (8) support bridge (7) is arranged between the shunt holes (6), and the foreman support bridge (7) is provided with a circular ring-shaped foreman (8) at one end of the upper die body (1).

6. An extrusion die for an aluminum electrical machine component according to claim 5, wherein: The lower die body (2) is provided with an extrusion groove (13) matched with the foreman (8) at one end of the front surface, the extrusion groove (13) penetrates the lower die body (2) and the back surface of the lower die body (2), the extrusion groove (13) is provided with protruding portions (14) at four corners, and a plurality of convex edges (15) are arranged on the protruding portions (14).

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