CN223556858U

CN223556858U - Aluminum motor assembly extrusion die

Info

Publication number: CN223556858U
Application number: CN202421711872.4U
Authority: CN
Inventors: 陈骥
Original assignee: Hangzhou Mingzhou Electric Appliance Co ltd
Current assignee: Hangzhou Mingzhou Electric Appliance Co ltd
Priority date: 2024-07-18
Filing date: 2024-07-18
Publication date: 2025-11-18
Anticipated expiration: 2034-07-18

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 and a lower die body, wherein first threaded holes are formed in the upper die body and the lower die body together, first bolts are connected in the first threaded holes in a threaded mode, and the aluminum motor assembly extrusion die further comprises a first connecting ring and a second connecting ring which are welded on the upper die body and the lower die body respectively, wherein the first connecting ring is connected with the second connecting ring through a fixing device, so that the connection strength of the upper die and the lower die is improved, and the phenomenon that the upper die body and the lower die body are broken due to insufficient connection strength is avoided. The production efficiency and the product quality are affected.

Description

Aluminum motor assembly extrusion die

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an extrusion die for an aluminum motor assembly.

Background

The motor shell of the new energy automobile adopts a cast steel motor shell in the past, the cast steel motor shell has low heat dissipation efficiency, poor corrosion resistance, short service life and very heavy weight, the water-cooled motor shell made of aluminum alloy is used for replacing the cast steel motor shell, and the water-cooled motor shell made of aluminum alloy needs to adopt a special die.

The Chinese patent CN220591542U discloses an aluminum motor shell extrusion die which comprises a first die, a second die, a die core assembly and a die core assembly, wherein a plurality of circumferentially distributed diversion holes axially penetrating through the first die are formed in the first die, a fixed welding chamber is formed in the front end of the second die, a discharging cavity communicated with the fixed welding chamber is formed in the rear end of the second die, and the die core assembly comprises a die core main body which is rotationally connected to the rear end of the first die and coaxial with the first die. This scheme is through setting up the mold core subassembly, at the in-process that motor housing formed, through driving the mold core main part rotation to drive the protruding slow rotation of reposition of redundant personnel, can form helical water cooling passageway.

In the technical scheme, the upper die and the lower die are connected through the bolts by the extrusion die, and the bolts are easy to break due to the fact that extremely high pressure is formed when the aluminum profile is extruded, so that the upper die body and the lower die body are not enough in connection strength and collapse occurs.

Disclosure of utility model

The utility model aims to solve the technical problems, and provides an aluminum motor assembly extrusion die which can improve the connection strength of an upper die and a lower die, so that the phenomenon of collapse of the upper die and the lower die due to insufficient connection strength is avoided. The production efficiency and the product quality are affected.

In view of the above, the utility model provides an aluminum motor assembly extrusion die, comprising an upper die body (1) and a lower die body (2), wherein a first threaded hole (9) is commonly arranged on the upper die body (1) and the lower die body (2), and a first bolt is connected in the first threaded hole in a threaded manner, and the aluminum motor assembly extrusion die further comprises:

The connecting device comprises a first connecting ring and a second connecting ring, wherein the first connecting ring and the second connecting ring are welded on an upper die body and a lower die body respectively, and the first connecting ring is connected with the second connecting ring through a fixing device.

In this technical scheme, through setting up first go-between and second go-between to weld them respectively on last die body and lower die body, rethread fixing device links together two go-between, can effectively improve the joint strength of going up mould and lower mould, avoid collapsing the phenomenon that leads to because of joint strength is not enough, and then reduce the possibility that the mould breaks down in the use, thereby improve production efficiency.

In the above technical solution, further, the fixing device includes:

The guide posts are circumferentially arranged on the back surface of the upper die body, limit posts are arranged on four side surfaces of the guide posts, and limit grooves matched with the guide posts and the limit posts are formed in the lower die body;

And the limiting piece is detachably connected to the lower die body and used for limiting the guide column in the limiting groove.

In the above technical scheme, further, lower die body side circumference is equipped with a plurality of mounting groove, the second screw hole is equipped with to mounting groove inner bottom symmetry, the locating part passes through the second bolt to be fixed in the mounting groove.

In the technical scheme, the limiting piece comprises a limiting plate, wherein an inserting piece is arranged on one surface of the limiting plate, which is close to the mounting groove, and penetrates through the mounting groove and the limiting groove.

In the above technical scheme, further, the guide post and the limit posts on two sides of the guide post are jointly provided with a socket for inserting the inserting piece.

In this technical scheme, through set up the guide post at last die body back circumference, and all be equipped with the spacing post at four sides of guide post, such design can ensure when last die body and die body combine down, can insert the spacing inslot through spacing post and guide post, provide certain positioning action, insert the inserted sheet of being connected with the limiting plate through the mounting groove into the socket on guide post and the spacing post, carry out further fixed and spacing to the guide post in the spacing inslot, thereby further consolidate the joint strength of last die body and die body down, then the terminal symmetry is equipped with the second screw hole in the mounting groove, make the setting element can be fixed in the mounting groove through the second bolt, make the installation and the dismantlement of setting element all very convenient.

In the above technical scheme, further, the front of the upper die body is provided with a plurality of circumferentially distributed flow distribution holes axially penetrating the upper die body, and a work head supporting bridge is arranged between the flow distribution holes, and one end of the work head supporting bridge above the upper die body is provided with a circular work head.

In the above technical scheme, further, the positive one end of lower die body is provided with the extrusion groove that sets up with the work head cooperation, the extrusion groove runs through the back of lower die body and lower die body, extrusion groove four corners is provided with the protruding portion, all be equipped with on the protruding portion and present a plurality of bead that is the wave.

The beneficial effects of the utility model are as follows:

1. Through setting up first go up ring and second go up the ring to weld them respectively on last die body and lower die body, rethread fixing device links together two go up the ring, can effectively improve the joint strength of mould and lower mould, avoid collapsing the phenomenon that leads to because of joint strength is not enough, and then reduce the possibility that the mould breaks down in the use, thereby improve production efficiency.

2. The protruding parts are provided with the wavy convex edges, so that the surface area is enlarged, and meanwhile, the aging and the service life of the die caused by the impact of the molten aluminum feeding are avoided.

Drawings

FIG. 1 is a schematic view of an extrusion die for an aluminum motor assembly according to the present utility model;

FIG. 2 is a schematic view of the structure of the back surface of an upper die body of an extrusion die for an aluminum motor assembly according to the present utility model;

FIG. 3 is a schematic view showing the structure of the front surface of a lower die body of an extrusion die for an aluminum motor assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the back surface of the lower die body of the extrusion die of the aluminum motor assembly;

the label in the figure is:

1. The device comprises an upper die body, a lower die body, a first connecting ring, a second connecting ring, a fixing device, a guide post, a limiting groove, a mounting groove, a limiting plate, a plug, a 507, a second threaded hole, a 508, a second bolt, a 509, a socket, a6, a diversion hole, a 7, a work head supporting bridge, a8, a work head, a 9, a first threaded hole, a 10, a first bolt, a11, a feeding area, a 12, an extrusion area, a 13, an extrusion groove, a 14, a protruding part, a15 and a convex edge.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims 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 data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc., generally refer to the orientation or positional relationship shown in the drawings, and merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application, but rather the orientation terms "inside and outside" refer to the inside and outside with respect to the outline of each component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

The embodiment provides an aluminum motor assembly extrusion die, which comprises an upper die body 1 and a lower die body 2, wherein first threaded holes 9 are formed in the upper die body 1 and the lower die body 2 together, first bolts 10 are connected in the first threaded holes 9 in a threaded mode, and the aluminum motor assembly extrusion die further comprises a first connecting ring 3 and a second connecting ring 4, wherein the first connecting ring 3 and the second connecting ring 4 are welded on the upper die body 1 and the lower die body 2 respectively, and the first connecting ring 3 is connected with the second connecting ring 4 through a fixing device 5. Through setting up first go up ring 3 and second go up ring 4 to weld them respectively on last die body 1 and lower die body 2, rethread fixing device 5 links together two go up the link strength of mould and lower mould, avoids collapsing the phenomenon that leads to because of joint strength is insufficient, and then reduces the possibility that the mould breaks down in the use, thereby improves production efficiency.

Further, the fixing device 5 comprises a guide post 501 circumferentially arranged on the back surface of the upper die body 1, limit posts 502 are arranged on four sides of the guide post 501, limit grooves 503 matched with the guide post 501 and the limit posts 502 are formed in the lower die body 2, and limit pieces detachably connected to the lower die body 2 and used for limiting the guide post 501 in the limit grooves 503. A plurality of mounting grooves 504 are circumferentially formed in the side face of the lower die body 2, second threaded holes 507 are symmetrically formed in the inner bottom of the mounting grooves 504, and the limiting pieces are fixed in the mounting grooves 504 through second bolts 508. The limiting part comprises a limiting plate 505, wherein an inserting sheet 506 is arranged on one surface of the limiting plate 505 close to the mounting groove 504, and the inserting sheet 506 penetrates through the mounting groove 504 and the limiting groove 503. The guide post 501 and the limit posts 502 at two sides of the guide post 501 are provided with sockets 509 for inserting the inserting pieces 506.

Through set up guide post 501 at last die body 1 back circumference to all be equipped with spacing post 502 at four sides of guide post 501, such design can ensure when last die body 1 and lower die body 2 combine, can insert in spacing groove 503 through spacing post 502 and guide post 501, provide certain locate action, insert the inserted sheet 506 of being connected with limiting plate 505 through mounting groove 504 into the socket 509 on guide post 501 and the spacing post 502 again, further fix and spacing guide post 501 in the spacing groove 503, thereby further consolidate the joint strength of last die body 1 and lower die body 2, then the bottom symmetry is equipped with second screw hole 507 in the mounting groove 504, make the locating part can be fixed in mounting groove 504 through second bolt 508, make the installation and the dismantlement of locating part all very convenient.

The front of the upper die body 1 is provided with a plurality of circumferentially distributed flow distribution holes 6 which axially penetrate through the upper die body 1, a work head 8 supporting bridge 7 is arranged between the flow distribution holes 6, and one end of the work head 8 supporting bridge 7 above the upper die body 1 is provided with a circular work head 8. The extrusion groove 13 is formed in one end of the front face of the lower die body 2 and matched with the work head 8, the extrusion groove 13 penetrates through the lower die body 2 and the back face of the lower die body 2, protruding portions 14 are arranged at four corners of the extrusion groove 13, and a plurality of protruding ribs 15 which are in wave shapes are arranged on the protruding portions 14. By providing the protrusions 14 with the wavy ridges 15, the surface area is enlarged while avoiding aging and service life of the mold caused by the impact of the molten aluminum feed. The upper die body 1 is provided with a feeding area 11, the lower die body 2 is provided with an extrusion area 12, the supporting bridge 7 of the work head 8 is positioned in the feeding area 11, and the extrusion groove 13 is positioned in the extrusion area 12.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims

1. The aluminum motor assembly extrusion die comprises an upper die body (1) and a lower die body (2), wherein first threaded holes (9) are formed in the upper die body (1) and the lower die body (2) together, and first bolts (10) are connected with the first threaded holes (9) in an internal threaded mode, and the aluminum motor assembly extrusion die is characterized by further comprising:

the connecting device comprises a first connecting ring (3) and a second connecting ring (4), wherein the first connecting ring (3) and the second connecting ring (4) are welded on an upper die body (1) and a lower die body (2) respectively, and the first connecting ring (3) is connected with the second connecting ring (4) through a fixing device (5).

2. An extrusion die for aluminum motor assembly according to claim 1, wherein said fixing means (5) comprises:

The guide column (501) is circumferentially arranged on the back of the upper die body (1), limit columns (502) are arranged on four side faces of the guide column (501), and limit grooves (503) matched with the guide column (501) and the limit columns (502) are formed in the lower die body (2);

And the limiting piece is detachably connected to the lower die body (2) and used for limiting the guide column (501) in the limiting groove (503).

3. The extrusion die for aluminum motor components of claim 2, wherein a plurality of mounting grooves (504) are circumferentially formed in the side face of the lower die body (2), second threaded holes (507) are symmetrically formed in inner bottoms of the mounting grooves (504), and the limiting pieces are fixed in the mounting grooves (504) through second bolts (508).

4. The extrusion die for aluminum motor components of claim 3, wherein the guide posts (501) and the limit posts (502) on both sides of the guide posts (501) are provided with sockets (509) for inserting the inserting pieces (506).

5. The extrusion die for aluminum motor components according to claim 1, wherein a plurality of circumferentially distributed flow dividing holes (6) axially penetrating through the upper die body (1) are formed in the front face of the upper die body (1), a work head (8) supporting bridge (7) is arranged between the flow dividing holes (6), and a circular work head (8) is arranged at one end above the upper die body (1) of the work head supporting bridge (7).

6. The extrusion die for aluminum motor components of claim 5, wherein one end of the front surface of the lower die body (2) is provided with an extrusion groove (13) matched with the work head (8), the extrusion groove (13) penetrates through the lower die body (2) and the back surface of the lower die body (2), protruding parts (14) are arranged at four corners of the extrusion groove (13), and a plurality of protruding ribs (15) are arranged on the protruding parts (14).