CN212577786U - Tool for sealing, stirring and friction welding of water-cooling plate - Google Patents
Tool for sealing, stirring and friction welding of water-cooling plate Download PDFInfo
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- CN212577786U CN212577786U CN202020873976.0U CN202020873976U CN212577786U CN 212577786 U CN212577786 U CN 212577786U CN 202020873976 U CN202020873976 U CN 202020873976U CN 212577786 U CN212577786 U CN 212577786U
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Abstract
The utility model discloses a be used for sealed friction stir welding's of water-cooling board frock, include: bottom plate, apron, the both sides at the bottom plate of apron symmetric connection, be used for placing the stuff between apron and the bottom plate, the stuff, two be used for cavity type water-cooling board in the joint between the stuff, set up the recess on the apron, the recess central line is located cavity type water-cooling board and stuff overlap joint department. The utility model discloses being the surface position on the water-cooling board with the welding position by traditional water-cooling board terminal surface position adjustment, welding deformation is little, has avoided water-cooling board length overlength to lead to unable welded problem simultaneously, solves the difficult problem of water-cooling board seal welding.
Description
Technical Field
The utility model discloses a be used for sealed friction stir welding's of water-cooling board frock relates to sealed friction stir welding equipment field.
Background
The technology upgrading of actively developing and popularizing new energy automobiles is taken as a national strategy in China, and the promotion of the industrialization of electric automobiles and plug-in hybrid electric vehicles is definitely taken as key work.
In order to effectively solve the heat dissipation problem of the battery module, many scholars at home and abroad propose to adopt a water cooling plate to solve the heat dissipation problem of the battery module. The existing 'seamless welding water cooling device' (201521126426.8) proposes a water cooling plate device with a plurality of groups of radiating fins, wherein an upper cover plate and a lower cover plate are combined in a friction welding mode; a water-cooling plate and new energy automobile battery cooling system (201721045726.2) provides a water-cooling plate and a new energy automobile battery cooling system, wherein the water-cooling plate is provided with a double-layer water flow channel in a plate main body, so that double-sided heat dissipation is realized, the heat dissipation efficiency is improved, materials are saved, and the weight is reduced; the front plug and the rear plug are welded in a friction welding mode, so that the air tightness is ensured; a water cooling plate without hole blocking welding (201720867069.3) is composed of main body plate, water tap, left and right sealing plates, locking screw and sealing ring without hole blocking welding.
Although the cooling device for the water cooling plate of the new energy automobile is provided in the prior art, the technical problem about sealing and welding the plug strip of the water cooling plate is not solved. In order to solve the technical problem of sealing and welding the water-cooling plate plug strip, a joint, a tool and a welding method for friction stir welding of the water-cooling plate are provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the defect among the above-mentioned background art, provide a frock that is used for water-cooling plate to seal friction stir welding, simple structure, convenient to use.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a frock for water-cooling board seals friction stir welding, includes: bottom plate, apron, the both sides at the bottom plate of apron symmetric connection, be used for placing the stuff between apron and the bottom plate, two be used for cavity type water-cooling board in the joint between the stuff, set up the recess on the apron, the recess central line is located and is located cavity type water-cooling board and stuff overlap joint department.
Further, the stuff includes base frame, middle part boss and lateral part boss, lateral part boss and base frame cross-section are the U type, the size of middle part boss is unanimous with cavity type water-cooling board inner chamber size, the middle part boss is in base frame central point and puts.
Furthermore, when the stopper bar and the hollow water-cooling plate are assembled together, the upper surface and the lower surface of the stopper bar and the upper surface and the lower surface of the hollow water-cooling plate are on the same plane.
Furthermore, the size of the single side of the plug strip exposed outside the hollow water-cooling plate and the depth of the plug strip inserted into the hollow water-cooling plate are more than or equal to the radius of a stirring head shaft shoulder for friction stir welding.
Furthermore, the cover plate comprises a side end face baffle and an upper end face baffle perpendicular to the side end face baffle, the cross section of the cover plate is L-shaped, the side end face baffle is in contact with the side face of the plug strip, and the upper end face baffle is in contact with the upper surfaces of the plug strip and the hollow water cooling plate.
Furthermore, a stud hole is formed in the upper end face baffle, and the outline of the stud hole is tangent to the side end face of the side boss of the stopper rod.
Further, the recess is opened and is set up on the up end baffle of apron, the up end baffle is run through from top to bottom to the recess, the length more than or equal to the length of stuff bar of recess, the width of recess is greater than 1.2 times of friction stir welding's stirring head shaft shoulder diameter.
Furthermore, the central line of the groove is the central position of the welding line of the friction stir welding.
Screwing the stud with the cover plate on the bottom plate, and assembling the hollow water cooling plate and the plug strip at the same time, wherein the assembling clearance after completion is less than or equal to 0.5 mm; placing the assembled hollow water cooling plate and the plug strip between the cover plate and the bottom platform, screwing the stud for fixing, and enabling the stud to be in contact with the side end face of the boss at the side part of the plug strip so as to ensure the left and right limiting in the friction stir welding process; the side end face baffle is contacted with the side face of the plug strip, so that the front and back limiting in the friction stir welding process is ensured; an upper end face baffle perpendicular to the side end face baffle is contacted with the upper surface of the stopper rod, so that the upper and lower limit in the friction stir welding process is ensured; in the welding process, in order to ensure that the stuff bar and the hollow water-cooling plate do not move relatively, a pressing plate can be used for fixing the hollow water-cooling plate assembly, and the stirring head moves from one side of the central line of the groove to the other side; after welding, the side bosses at the initial position and the end position of the welding seam are milled by using a milling cutter, so that the size of the water cooling plate is ensured.
When the thickness of the hollow water-cooling plate is less than or equal to 10mm, welding is carried out according to the welding method, and sealing and welding forming of the water-cooling plate is completed at one time; and when the thickness of the water-cooling plate is more than 10mm, welding according to the welding method, rotating the integral component of the plug strip and the hollow water-cooling plate by 180 degrees, and repeating the welding method.
Has the advantages that:
1. the utility model discloses with the welding position by traditional water-cooling board terminal surface position adjustment for water-cooling board upper and lower surface position, avoided water-cooling board length overlength to lead to unable welded problem, solve the difficult problem of water-cooling board stuff strip seal welding.
2. The utility model discloses the lateral part boss of stuff bar uses as the striking block, need use milling cutter to mill after the welding is accomplished, and the peculiar keyhole of friction stir welding can not be left on the surface.
3. The utility model has the advantages of simple structure, convenient use, high welding seam quality and small welding deformation.
Drawings
FIG. 1 is a schematic structural view of the fixture of the present invention after fixing a water cooling plate;
FIG. 2 is a schematic view of the structure of the stopper rod of the present invention;
FIG. 3 is a schematic view of the structure of the stopper assembly of the present invention;
fig. 4 is a schematic structural diagram of the cover plate of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, a tool for sealing friction stir welding of a water-cooled plate comprises: bottom plate 5, apron 3, 3 symmetric connection of apron are in the both sides of bottom plate 5, be used for placing stuff between apron 3 and the bottom plate 5, two be used for joint cavity type water-cooling board 2 between the stuff 1, set up recess 34 on the apron 3, recess 34 central line is located cavity type water-cooling board 2 and 1 overlap joint department of stuff.
As shown in figures 2-3, the tampon 1 comprises a bottom platform, a middle boss 12 and a side boss 11, the cross sections of the side boss 11 and the bottom platform are U-shaped, and the size of the middle boss 12 is consistent with that of the inner cavity of the hollow water-cooling plate 2.
When the plug strip 1 and the hollow water cooling plate 2 are assembled together, the upper surface and the lower surface of the plug strip 1 and the upper surface and the lower surface of the hollow water cooling plate 2 are on the same plane.
The size of the single side of the plug strip 1 exposed outside the hollow water-cooling plate 2 and the radius of the shaft shoulder of the stirring head of the friction stir welding, wherein the depth of the plug strip 1 inserted into the hollow water-cooling plate 2 is greater than or equal to the radius of the shaft shoulder of the stirring head of the friction stir welding.
As shown in fig. 4, the cover plate 3 includes a side end surface baffle 31 and an upper end surface baffle 32 perpendicular to the side end surface baffle 31, the cross section of the cover plate 3 is L-shaped, the side end surface baffle 31 contacts with the side surface of the stopper 1, and the upper end surface baffle 32 contacts with the stopper 1 and the upper surface of the hollow water cooling plate 2.
The upper end face baffle 32 is provided with a stud hole 33, and the outline of the stud hole 33 is tangent to the side end face of the side boss 11 of the tampon 1.
The groove 34 is arranged on the upper end face baffle 32 of the cover plate 3, the length of the groove 34 is larger than or equal to that of the filler rod 1, and the width of the groove 34 is larger than 1.2 times of the diameter of a shaft shoulder of a stirring head for friction stir welding.
The central line of the groove 34 is the central position of the friction stir welding seam.
Screwing the stud with the cover plate on the bottom plate, and assembling the hollow water cooling plate and the plug strip at the same time, wherein the assembling clearance after completion is less than or equal to 0.5 mm; placing the assembled hollow water cooling plate and the plug strip between the cover plate and the bottom platform, screwing the stud for fixing, and enabling the stud to be in contact with the side end face of the boss at the side part of the plug strip so as to ensure the left and right limiting in the friction stir welding process; the side end face baffle is contacted with the side face of the plug strip, so that the front and back limiting in the friction stir welding process is ensured; an upper end face baffle perpendicular to the side end face baffle is contacted with the upper surface of the stopper rod, so that the upper and lower limit in the friction stir welding process is ensured; in the welding process, in order to ensure that the stuff bar and the hollow water-cooling plate do not move relatively, a pressing plate can be used for fixing the hollow water-cooling plate assembly, and the stirring head moves from one side of the central line of the groove to the other side; after welding, the side bosses at the initial position and the end position of the welding seam are milled by using a milling cutter, so that the size of the water cooling plate is ensured.
When the thickness of the hollow water-cooling plate is less than or equal to 10mm, welding is carried out according to the welding method, and sealing and welding forming of the water-cooling plate is completed at one time; and when the thickness of the water-cooling plate is more than 10mm, welding according to the welding method, rotating the integral component of the plug strip and the hollow water-cooling plate by 180 degrees, and repeating the welding method.
The utility model discloses with the welding position by traditional water-cooling board terminal surface position adjustment for water-cooling board upper and lower surface position, avoided water-cooling board length overlength to lead to unable welded problem.
The utility model discloses the lateral part boss of stuff bar uses as the striking block, need use milling cutter to mill after the welding is accomplished, and the peculiar keyhole of friction stir welding can not be left on the surface.
The utility model has the advantages of simple structure, convenient use, high welding seam quality and small welding deformation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a be used for sealed friction stir welding's of water-cooling board frock which characterized in that includes: bottom plate, apron, the both sides at the bottom plate of apron symmetric connection, be used for placing the stuff between apron and the bottom plate, the stuff, two be used for joint cavity type water-cooling board between the stuff, set up the recess on the apron, the recess central line is located cavity type water-cooling board and stuff overlap joint department.
2. The tool for sealing, stirring and friction welding the water-cooling plate according to claim 1, wherein the filler rod comprises a bottom platform, a middle boss and a side boss, the cross sections of the side boss and the bottom platform are U-shaped, and the size of the middle boss is consistent with that of the inner cavity of the hollow water-cooling plate.
3. The tool for friction stir welding of the water-cooled plate seal according to claim 1, wherein when the stopper is assembled with the hollow water-cooled plate, the upper and lower surfaces of the stopper are in the same plane as the upper and lower surfaces of the hollow water-cooled plate.
4. The tool for sealing friction stir welding of the water-cooled plate according to claim 1, wherein the dimension of the single side of the filler rod exposed outside the hollow water-cooled plate and the depth of the filler rod inserted into the hollow water-cooled plate are greater than or equal to the radius of a shaft shoulder of a stirring head for friction stir welding.
5. The tool for friction stir welding of the water-cooled plate seal according to claim 1, wherein the cover plate comprises a side end face baffle and an upper end face baffle perpendicular to the side end face baffle, the cross section of the cover plate is L-shaped, the side end face baffle is in contact with the side face of the stopper, and the upper end face baffle is in contact with the stopper and the upper surface of the hollow water-cooled plate.
6. The tool for friction stir welding of the water-cooled plate seal according to claim 5, wherein a stud hole is formed in the upper end baffle, and the profile of the stud hole is tangent to the side end face of the boss at the side of the stopper rod.
7. The tool for sealing friction stir welding of the water-cooled plate according to claim 5, wherein the groove is formed in a baffle plate on the upper end face of the cover plate, the length of the groove is greater than or equal to that of the filler rod, and the width of the groove is greater than 1.2 times of the diameter of a shaft shoulder of a stirring head for friction stir welding.
8. The tool for sealing friction stir welding of the water-cooled plate according to claim 5, wherein the center line of the groove is the center position of a friction stir welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020873976.0U CN212577786U (en) | 2020-05-22 | 2020-05-22 | Tool for sealing, stirring and friction welding of water-cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020873976.0U CN212577786U (en) | 2020-05-22 | 2020-05-22 | Tool for sealing, stirring and friction welding of water-cooling plate |
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| CN212577786U true CN212577786U (en) | 2021-02-23 |
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| CN202020873976.0U Active CN212577786U (en) | 2020-05-22 | 2020-05-22 | Tool for sealing, stirring and friction welding of water-cooling plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134674A (en) * | 2021-03-11 | 2021-07-20 | 哈尔滨工业大学 | Auxiliary heating and chilling combined stirring friction material increasing device and method |
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2020
- 2020-05-22 CN CN202020873976.0U patent/CN212577786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134674A (en) * | 2021-03-11 | 2021-07-20 | 哈尔滨工业大学 | Auxiliary heating and chilling combined stirring friction material increasing device and method |
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