CN211351969U - Friction stir welding water-cooling shell for motor - Google Patents
Friction stir welding water-cooling shell for motor Download PDFInfo
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- CN211351969U CN211351969U CN202020125050.3U CN202020125050U CN211351969U CN 211351969 U CN211351969 U CN 211351969U CN 202020125050 U CN202020125050 U CN 202020125050U CN 211351969 U CN211351969 U CN 211351969U
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Abstract
The utility model discloses a water-cooling shell for friction stir welding for a motor, wherein a plurality of water channels distributed along the axial direction are arranged in the water-cooling shell, reinforcing ribs are arranged between adjacent water channels, water passing grooves are arranged at the end parts of the reinforcing ribs, and the water passing grooves are distributed along the circumferential direction of the shell in a staggered manner so as to form a reciprocating bending cooling channel with the water passing grooves; and two circle sealing grooves are formed in two end faces in the water-cooling shell along the circumferential direction, annular pre-filling welding materials are filled in the sealing grooves, and the pre-filling welding materials and the sealing grooves are connected in a continuous and integral sealing mode through friction stir welding. The water cooling shell of the utility model integrates the inner water jacket and the outer water jacket, thereby avoiding finish machining before assembly of the inner water jacket and the outer water jacket, having high production efficiency, high yield and lower price, and adopting the friction stir continuous integral welding sealing connection between the welding flux and the sealing groove to form a sealing water channel, having good sealing consistency and safe and reliable structure; and the product has high density and no internal defect of sand core integral casting.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to friction stir welding water-cooling casing for motor.
Background
The stator shell is used as an important part of the motor and plays an important role in fixing the stator core and cooling the motor. The motor generates a large amount of heat in a process of converting electric energy into mechanical energy or converting mechanical energy into electric energy. If the motor needs to work normally, heat dissipation needs to be carried out through a forced means, and a cooling water channel is arranged on the stator shell. In order to realize water channel sealing, the cooling water channel of the existing stator shell is formed by carrying out matte welding on an inner shell and an outer shell or integrally casting and molding by using a sand core, the inner shell and the outer shell need to be subjected to finish machining before the inner shell and the outer shell are welded, the process is complex, the production efficiency is low, and the machining cost is high; and the sand core is used for integral casting molding, and casting defects such as sand holes, shrinkage cavities and the like exist inside the sand core.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a water-cooling shell for friction stir welding for motor aiming at the defects of the prior art, the water-cooling shell for friction stir welding for motor has the advantages that the inner and outer water jackets are integrated, the finish machining before the assembly of the inner and outer water jackets is avoided, the production efficiency is high, the yield is high, the price is lower, and the pre-filled welding flux and the sealing groove are hermetically connected by adopting friction stir continuous integral welding, so that a sealing water channel is formed, the sealing consistency is good, and the structure is safe and reliable; and the product has high density and no internal defect of sand core integral casting.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a friction stir welding water-cooling shell for a motor comprises a cylindrical water-cooling shell, wherein a plurality of water channels distributed along the axial direction are arranged in the water-cooling shell, reinforcing ribs are arranged between adjacent water channels, water passing grooves are arranged at the end parts of the reinforcing ribs and are distributed in a staggered mode along the circumferential direction of the shell, so that the water channels and the water passing grooves form a reciprocating bending cooling channel; the water-cooling shell is characterized in that a circle of sealing groove is formed in each of two end faces in the water-cooling shell along the circumferential direction, the sealing groove penetrates through the reinforcing ribs, the water channel and the water passing groove, a ring-shaped pre-filling welding material is filled in the sealing groove, and the pre-filling welding material and the sealing groove are connected in a friction stir welding continuous integral sealing mode.
As the utility model discloses further modified technical scheme, the interior disc and the outer disc of seal groove are circular, and the interior disc and the outer disc of prefilling the solder are circular, and the internal diameter of prefilling the solder equals with the external diameter of seal groove, and the external diameter of prefilling the solder equals with the internal diameter of seal groove.
As the utility model discloses further modified technical scheme, water-cooling casing adopts the integrative extrusion of interior water jacket and outer water jacket, regard as the coupling part through the strengthening rib with motor axial direction parallel between interior water jacket and the outer water jacket, interior water jacket, outer water jacket and strengthening rib structure as an organic whole.
As the utility model discloses further modified technical scheme, the outer periphery of water-cooling casing is equipped with water inlet and delivery port, water inlet and delivery port communicate with cooling channel's both ends respectively.
As the utility model discloses further modified technical scheme, the casing excircle department of water-cooling casing has the round boss, be equipped with the screw hole on the boss, the screw hole is used for flange and back flange before connecting.
The utility model has the advantages that: the utility model has the advantages that the water jacket inside the shell is integrated with the water jacket outside the shell, thereby avoiding the finish machining before the assembly of the inner water jacket and the outer water jacket, having high production efficiency, high yield and lower price, and the pre-filled welding flux is connected with the sealing groove by adopting the friction stir continuous integral welding sealing connection to form a sealing water channel, thereby having good sealing consistency and safe and reliable structure; and the product has high density and no internal defect of sand core integral casting.
Drawings
Fig. 1 is a perspective view of the water-cooled casing according to the embodiment.
Fig. 2 is a schematic structural view of the water-cooled housing of the embodiment with the outer water jacket cut away.
Fig. 3 is an end view of the water-cooled casing of the present embodiment after the sealing groove is formed.
Fig. 4 is a perspective view of the water-cooled enclosure prefilled with solder according to the present embodiment.
Fig. 5 is an end view of the water-cooled housing of the present embodiment after being soldered and pre-filled with solder.
Fig. 6 is a sectional view taken along line a-a in fig. 5.
Detailed Description
The following further description of embodiments of the present invention is made with reference to fig. 1 to 6:
as shown in fig. 1, a friction stir welding water-cooling casing for motor, water-cooling casing 1 including the cylinder shape, the inside of water-cooling casing 1 is equipped with many water courses 5 (as shown in fig. 2 and 3) that distribute along the axial, is equipped with strengthening rib 6 between the adjacent water course 5, the tip of strengthening rib 6 is equipped with water tank 7, thereby cross water tank 7 and make water course 5 and water tank 7 constitute the cooling channel of reciprocal bending along casing circumferencial direction dislocation distribution. The water-cooling shell body 1 is characterized in that a circle of sealing groove 4 is formed in each of two end faces in the water-cooling shell body 1 along the circumferential direction, the sealing groove 4 penetrates through the reinforcing rib 6, the water channel 5 and the water passing groove 7, a ring-shaped pre-filling welding material 9 is filled in the sealing groove 4, the pre-filling welding material 9 is in a shape shown in fig. 4, and the pre-filling welding material 9 and the sealing groove 4 are connected in a friction stir welding continuous integral sealing mode. The end face structure after welding is shown in fig. 5. In fig. 6, 10 is a welding position where continuous friction stir welding is performed along the entire circumference.
The inner circular surface and the outer circular surface of the sealing groove 4 are both circular, the inner circular surface and the outer circular surface of the pre-filled solder 9 are both circular, the inner diameter of the pre-filled solder 9 is equal to the outer diameter of the sealing groove 4, and the outer diameter of the pre-filled solder 9 is equal to the inner diameter of the sealing groove 4.
The water-cooling shell 1 is formed by integrally extruding the inner water jacket and the outer water jacket, the reinforcing rib 6 which is axially parallel to the motor is arranged between the inner water jacket and the outer water jacket as a connecting part, and the inner water jacket, the outer water jacket and the reinforcing rib 6 are of an integral structure.
As shown in figure 1, a water inlet 2 and a water outlet 3 are arranged on the outer circumferential surface of the water-cooling shell 1, and the water inlet 2 and the water outlet 3 are respectively communicated with two ends of the cooling channel. As shown in fig. 2, fig. 2 is a schematic structural view of the outer wall of the water-cooled housing 1, an arrow in fig. 3 is a water flow direction, cooling water flows in from the water inlet 2, flows along the S direction, and flows out from the water outlet 3, and the water inlet 2 and the water outlet 3 are respectively communicated with two ends of the cooling channel.
There is the round boss the casing excircle department of water-cooling casing 1, as shown in fig. 3, be equipped with screw hole 8 on the boss, screw hole 8 is used for connecting preceding flange and back flange.
The water-cooling shell 1 of the embodiment adopts the integral extrusion molding of the inner water jacket and the outer water jacket, the reinforcing ribs 6 are arranged between the inner water jacket and the outer water jacket and are communicated along the axial direction of the motor to serve as water channel water bars, and a circle of bosses are arranged at the outer circle of the shell and used for processing the fixing threaded holes 8 on the shell. Sealing grooves 4 are processed in advance on the end faces of two sides of the water-cooling shell 1, pre-filled solders 9 are installed in the sealing grooves 4, and then stirring friction welding is continuously carried out along the whole circumference to form an important structure of the motor cooling system: the cooling circulation water channel.
The water-cooling shell 1 of the motor adopts a processing technology of profile extrusion molding, the inner water jacket and the outer water jacket are integrated, finish machining before assembly of the inner water jacket and the outer water jacket is avoided, production efficiency is high, yield is high, and price is low. And the product has high density and no internal defect of sand core integral casting.
In this embodiment, the water jacket and the outer water jacket are integrated in the water-cooled shell of the motor, the middle part of the water-cooled shell is used as a connecting part through the reinforcing ribs 6 which are parallel to the axial direction of the motor, only the sealing grooves 4 are needed to be processed on the two end faces of the water-cooled shell 1, continuous integral friction stir welding is carried out on the end faces of the two sides along the circumference to form the sealing water channel 5, and finally machining is carried out to reach.
The embodiment applies friction stir welding to integrally weld and seal the aluminum profile shell with the inner water jacket and the outer water jacket along the circumference to form a sealed water channel, the welding seam is continuous in welding, the number of the welding seams is small, the production efficiency is high, the sealing consistency is good, and the structure is safe and reliable. The welding process is guaranteed to be high in consistency by a machine, and the product sealing qualification rate is high. The section extrusion stretching shell is formed by extrusion, the product compactness is high, casting defects such as sand holes and shrinkage cavities do not exist in the product, and the product qualification rate is high.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (5)
1. A friction stir welding water-cooling shell for a motor comprises a cylindrical water-cooling shell and is characterized in that a plurality of water channels distributed along the axial direction are arranged in the water-cooling shell, reinforcing ribs are arranged between adjacent water channels, water passing grooves are arranged at the end parts of the reinforcing ribs and are distributed in a staggered mode along the circumferential direction of the shell, and therefore the water channels and the water passing grooves form a reciprocating bending cooling channel; the water-cooling shell is characterized in that a circle of sealing groove is formed in each of two end faces in the water-cooling shell along the circumferential direction, the sealing groove penetrates through the reinforcing ribs, the water channel and the water passing groove, a ring-shaped pre-filling welding material is filled in the sealing groove, and the pre-filling welding material and the sealing groove are connected in a friction stir welding continuous integral sealing mode.
2. The friction stir welding water-cooled housing for a motor of claim 1, wherein the inner and outer circular surfaces of the sealing groove are circular, the inner and outer circular surfaces of the pre-filled solder are circular, the inner diameter of the pre-filled solder is equal to the outer diameter of the sealing groove, and the outer diameter of the pre-filled solder is equal to the inner diameter of the sealing groove.
3. The friction stir welding water-cooled shell for the motor as recited in claim 2, wherein the water-cooled shell is formed by integrally extruding an inner water jacket and an outer water jacket, a reinforcing rib parallel to the axial direction of the motor is arranged between the inner water jacket and the outer water jacket as a connecting part, and the inner water jacket, the outer water jacket and the reinforcing rib are of an integral structure.
4. The friction stir welding water-cooled shell for the motor as claimed in claim 1, wherein the outer circumferential surface of the water-cooled shell is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with two ends of the cooling channel.
5. The friction stir welding water-cooling shell for the motor of claim 1, wherein a circle of boss is arranged at the outer circle of the shell of the water-cooling shell, a threaded hole is formed in the boss, and the threaded hole is used for connecting the front flange and the rear flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125050.3U CN211351969U (en) | 2020-01-20 | 2020-01-20 | Friction stir welding water-cooling shell for motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020125050.3U CN211351969U (en) | 2020-01-20 | 2020-01-20 | Friction stir welding water-cooling shell for motor |
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| CN211351969U true CN211351969U (en) | 2020-08-25 |
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| CN202020125050.3U Active CN211351969U (en) | 2020-01-20 | 2020-01-20 | Friction stir welding water-cooling shell for motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671147A (en) * | 2020-12-16 | 2021-04-16 | 精基科技有限公司 | Cooling device for explosion-proof three-phase permanent magnet synchronous motor |
| CN114012362A (en) * | 2021-11-10 | 2022-02-08 | 湖北三江航天红阳机电有限公司 | Thin-wall shell and machining method thereof |
| CN114189092A (en) * | 2021-11-20 | 2022-03-15 | 重庆虎溪电机工业有限责任公司 | Novel water channel structure of water-cooled motor and manufacturing method |
| CN115502545A (en) * | 2022-11-15 | 2022-12-23 | 江苏攀森智能科技有限公司 | Friction welding processing technology for water channel of driving motor shell |
-
2020
- 2020-01-20 CN CN202020125050.3U patent/CN211351969U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112671147A (en) * | 2020-12-16 | 2021-04-16 | 精基科技有限公司 | Cooling device for explosion-proof three-phase permanent magnet synchronous motor |
| CN114012362A (en) * | 2021-11-10 | 2022-02-08 | 湖北三江航天红阳机电有限公司 | Thin-wall shell and machining method thereof |
| CN114189092A (en) * | 2021-11-20 | 2022-03-15 | 重庆虎溪电机工业有限责任公司 | Novel water channel structure of water-cooled motor and manufacturing method |
| CN115502545A (en) * | 2022-11-15 | 2022-12-23 | 江苏攀森智能科技有限公司 | Friction welding processing technology for water channel of driving motor shell |
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