CN111231700A - Water-cooling box body structure with plug and production process thereof - Google Patents
Water-cooling box body structure with plug and production process thereof Download PDFInfo
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- CN111231700A CN111231700A CN202010180319.2A CN202010180319A CN111231700A CN 111231700 A CN111231700 A CN 111231700A CN 202010180319 A CN202010180319 A CN 202010180319A CN 111231700 A CN111231700 A CN 111231700A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a water-cooling box body structure with a plug and a production process thereof, wherein the plug structure, a front frame, a left frame, a rear frame, a right frame and a water inlet and outlet structure are produced according to requirements, the water inlet and outlet structure comprises the plug structure, a water inlet nozzle, a water outlet nozzle and a water-cooling plate, the plug structure comprises an aluminum section solid plate provided with a triangular water gap, the water inlet nozzle and the water outlet nozzle are inserted into the triangular water gap for fixing, the water-cooling plate is provided with a water channel, the water channel is communicated with the water inlet and outlet nozzle, two sides of the water-cooling plate are welded with the plug structure and the rear frame into a whole through FSW (frequency selective vapor deposition), the front frame penetrates through the water inlet and outlet nozzle and is welded with. Through the mode, the novel water-cooling box is suitable for a box body with a higher height, the plug structure is additionally arranged, gaps are machined at the leakage points of the plug structure, the rear frame and the water-cooling plate, and the air tightness is guaranteed in a TIG welding plugging mode, so that the mass production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a water-cooling box body structure with a plug and a production process thereof.
Background
In recent years, the new energy automobile industry is rapidly developed, and a large number of aluminum extruded sections are applied to new energy automobile battery trays, so that the lightweight level of the whole new energy automobile is improved.
At present, the commercial bus in the market has large electric demand, so that more aluminum alloy commercial bus battery boxes are needed. The existing battery box body is mainly a metal plate box body, the early development cost is very high, a stamping die needs to be opened, the period is long, and the weight is heavy, so that the requirement of light weight of an automobile cannot be met.
The aluminum alloy box body is a future trend, and only a plurality of aluminum alloy extrusion dies need to be developed relative to the sheet metal box body, so that the cost is low and the period is short.
The scheme structure of the existing aluminum alloy standard box is shown in figures 1-2, and comprises the following steps: 1', a front frame, 2', a rear frame, 3', a left frame, 4', a right frame, 5', a bottom plate, 6', a sleeve, 7', a lifting lug, 8', an upper cover mounting hole, 9', a module mounting hole, 10', a BMS support, 11' and a brazing cold plate.
Most of the box bodies on commercial buses in the industry at present adopt the scheme, and only the appearance, the height, the internal arrangement and the like of the box bodies are different.
The main disadvantages of the above aluminum alloy standard box scheme are: the battery box body needs to be developed independently, and meanwhile, the water-cooling plate is brazed, so that the process is complex and the cost is high.
Disclosure of Invention
The invention mainly solves the technical problem of providing a water-cooling box body structure with a plug and a production process thereof, which are suitable for a box body with higher height, wherein the box body and a water-cooling plate are integrated into a whole; the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a water-cooling box structure with a plug, including: a front frame, a left frame, a rear frame, a right frame and a water inlet and outlet structure,
the water inlet and outlet structure comprises a plug structure, a water inlet nozzle, a water outlet nozzle and a water cooling plate, the plug structure comprises an aluminum section solid plate, a triangular water gap is arranged on the aluminum section solid plate, the water inlet nozzle and the water outlet nozzle are inserted into the triangular water gap and welded and fixed, a water channel is arranged on the water cooling plate, one end of the water channel is communicated with the water inlet nozzle, the other end of the water channel is communicated with the water outlet nozzle,
the front side and the rear side of the water cooling plate are respectively welded with the plug structure and the rear frame into a whole through FSW, and then the front frame penetrates through the water inlet nozzle and the water outlet nozzle and is welded with the left frame and the right frame through FSW to form a deep-cavity water cooling box body structure.
In a preferred embodiment of the invention, triangular water gaps are formed on the left side and the right side of the aluminum section solid plate, into which the water inlet nozzle and the water outlet nozzle can be inserted and matched, a water storage transition area is formed in the inner space of each triangular water gap, and water channel holes are distributed in the water storage transition area.
In a preferred embodiment of the invention, the water inlet nozzle and the water outlet nozzle are welded on the triangular water gaps on the left side and the right side of the aluminum profile solid plate, and a circle of full welding is carried out along the joint of the triangular water gap and the water inlet nozzle and the water outlet nozzle by adopting a TIG welding mode.
In a preferred embodiment of the invention, one side of the aluminum profile solid plate connected with the water cooling plate is provided with a stir welding supporting block for inserting the water cooling plate, and a water channel on the water cooling plate is separated by the stir welding supporting block.
In a preferred embodiment of the invention, the front side and the rear side of the water cooling plate are respectively inserted into the plug structure and the rear frame, and the splicing seams of the water cooling plate, the plug structure and the rear frame are welded by adopting double-sided FSW.
In a preferred embodiment of the present invention, the water pipe is connected to the outside of the water-cooling box structure, and after being injected into the water channel of the water-cooling plate through the water inlet nozzle, the water flows along a predetermined flow direction in the water channel and then flows out toward the water outlet nozzle, thereby forming a water-cooling circulation system.
In a preferred embodiment of the invention, the depth of FSW welding between the plug structure and the back frame and the double surfaces of the water cooling plate is 2 mm.
In a preferred embodiment of the invention, 4 notches are formed on the side edges of the plug structure, the rear frame and the water cooling plate after the plug structure and the water cooling plate are welded by double-sided FSW, and the 4 notches are formed to form semicircular sector notches.
In a preferred embodiment of the invention, the semicircular fan-shaped notch is sealed by TIG full-length welding and then is ground and flattened.
In order to solve the technical problem, the invention adopts another technical scheme that: the production process of the water-cooling box body structure with the plug comprises the following steps:
a. and (3) processing a plug structure:
selecting an aluminum profile type solid plate according to actual requirements, processing a triangular water gap on the aluminum profile type solid plate, processing a through water channel hole in the inner space of the triangular water gap by adopting a deep space drill,
finally, installing a stirring welding supporting block on one side of the aluminum profile type solid plate connected with the water cooling plate;
b. processing a rear frame:
processing the aluminum alloy section according to actual requirements to obtain a rear frame;
c. processing a water-cooling plate:
processing the aluminum alloy section according to actual requirements to obtain a water-cooling plate, and processing a corresponding water channel on the water-cooling plate;
d. and (3) welding the plug structure and the rear frame with the water-cooling plate FSW:
inserting one side of a water cooling plate into a stirring welding support block of a plug structure, inserting the other side of the water cooling plate into a rear frame, and then adopting double-sided FSW at a splicing seam;
e. processing a notch on a water-cooling plate:
the water cooling plate, the plug structure and the rear frame are welded through double-sided FSW, 4 notches are formed in the side edge, the 4 notches are machined to form semicircular fan-shaped notches until small holes in the water cooling plate and the plug structure are seen, and the operation size of the welding gun head is convenient to be optimal;
f. welding the water nozzle and the notch:
the water inlet nozzle and the water outlet nozzle are respectively inserted into the triangular water port on the front frame, and a TIG welding mode is adopted to fully weld a circle along the joint of the triangular water port and the water inlet nozzle and the water outlet nozzle,
then, visually observed holes in the semicircular fan-shaped notches in the step e are blocked by TIG welding, air holes cannot be formed, if the air holes exist, the holes need to be ground and then welded again,
after confirming that no problem exists, adopting TIG welding to stack the semicircular fan-shaped notch of the crater to be filled, and finally polishing the crater higher than the plane to be flat;
g. and (3) air tightness testing: introducing 0.3MPa compressed air into the water-cooling plate, keeping 1 minute, and meeting the key index of the water-cooling box body if the pressure drop is less than 100 Pa;
h. and (3) post-processing: and after the air tightness test of the water-cooling plate is qualified, the front frame penetrates through the water inlet nozzle and the water outlet nozzle, meanwhile, the left frame and the right frame are subjected to double-sided FSW welding with the water-cooling plate, and then TIG full-weld, part welding, the air tightness test of the cavity in the box body, finish machining of the box body and rivet-pulling of the upper tooth sleeve are sequentially carried out, so that the machining and manufacturing of the integral deep-cavity water-cooling box body structure are realized.
The invention has the beneficial effects that: the water-cooling box body structure with the plug and the production process thereof are suitable for a box body with a higher height, the box body and the water-cooling plate are integrated, the plug structure is additionally arranged in the deep-cavity box body structure, water collecting holes are densely designed in the plug, a water inlet nozzle and a water outlet nozzle are welded on the plane of the plug to form a water channel structure, and a water-cooling circulation system is formed by the water inlet nozzle, the water outlet nozzle, the water-cooling plate and the rear frame;
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of a standard aluminum alloy box solution of the prior art;
FIG. 2 is a schematic structural view of a preferred embodiment of a brazed cold plate in a standard aluminum alloy tank version of the prior art;
FIG. 3 is a schematic structural view of a preferred embodiment of the water-cooled box with a plug according to the present invention for a higher height box;
FIG. 4 is a schematic structural diagram of a preferred embodiment of a stopper structure in a water-cooled box structure with a stopper according to the present invention;
FIG. 5 is a schematic structural diagram of another preferred embodiment of a stopper structure of the water-cooled box with a stopper according to the present invention;
FIG. 6 is a schematic structural view of a preferred embodiment of the present invention, wherein a water cooling plate is connected to a bulkhead structure and a rear frame in a water cooling box structure with a bulkhead;
FIG. 7 is a schematic structural diagram of a water-cooling plate and a plug structure in a water-cooling box structure with a plug and a rear frame after FSW double-side welding;
FIG. 8 is an enlarged view of a portion A of FIG. 7;
FIG. 9 is a partially enlarged front view of A in FIG. 7;
the parts in the drawings are numbered as follows: : 1', a front frame, 2', a rear frame, 3', a left frame, 4', a right frame, 5', a bottom plate, 6', a sleeve, 7', a lifting lug, 8', an upper cover mounting hole, 9', a module mounting hole, 10', a BMS bracket, 11', a brazing cold plate,
1. front frame, 2, end cap structure, 201, triangle-shaped mouth of a river, 202, water channel hole, 203, stir welding supporting shoe, 3, back frame, 4, the left frame, 5, the right frame, 6, water-cooling board, 601, the water course, 7, the inlet nozzle, 8, the faucet, 9, semicircle fan-shaped breach, 10, hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3 to 9, an embodiment of the present invention includes:
example one
A water-cooling box body structure with plugs mainly aims at a box body with a high height and comprises a front frame 1, a left frame 4, a rear frame 3, a right frame 5 and a water inlet and outlet structure, wherein the water inlet and outlet structure comprises a plug structure 2, a water inlet nozzle 7, a water outlet nozzle 8 and a water-cooling plate 6.
The plug structure 2 comprises an aluminum profile solid plate 204, a triangular water gap 201 is formed in the aluminum profile solid plate 204, a water inlet nozzle 6 and a water outlet nozzle 7 are inserted into the triangular water gap 201 and are welded and fixed, a water channel 601 (the flow direction is shown by an arrow in fig. 3) is formed in the water cooling plate 6, one end of the water channel 601 is communicated with the water inlet nozzle 7, the other end of the water channel 601 is communicated with the water outlet nozzle 8, and the front side and the rear side of the water cooling plate 6 are respectively welded with the plug structure and the rear frame into a whole.
And after the air tightness of the water cooling plate 6 is qualified, the front frame 1 penetrates through the water inlet nozzle 7 and the water outlet nozzle 8 and is welded with the left frame 4 and the right frame 5 through FSW (free space W) to form a deep-cavity water cooling box structure, and the water nozzle and the triangular water gap 201 on the aluminum section solid plate are fully welded to ensure the air tightness of the box structure.
Specifically, the left and right sides of the solid aluminum section bar plate is provided with a triangular water gap 201 which can be used for inserting the water inlet nozzle and the water outlet nozzle into the adaptation, the inner space of the triangular water gap 201 forms a water storage transition area, and a water channel hole 202 is arranged in the water storage transition area.
One side that the solid board 204 of aluminium alloy links to each other with water-cooling plate 6 is provided with stir welding supporting shoe 203 for insert water-cooling plate 6, water course 601 on the water-cooling plate 6 separates through stirring supporting shoe 203, plays the supporting role simultaneously at the stir welding in-process, and the stir welding can not sink when fast passing through water channel hole 202, and there is slight deformation inside the water channel hole 202, nevertheless does not influence business turn over water.
The water inlet nozzle 7 and the water outlet nozzle 8 are welded on the triangular water gaps 201 on the left side and the right side of the aluminum profile solid plate 204, and a TIG welding mode is adopted to fully weld a circle along the joint of the triangular water gap 201 and the water inlet nozzle 7 and the water outlet nozzle 8, so that the air tightness is ensured;
then, the front side and the rear side of the water-cooling plate 6 are respectively inserted into the plug structure 2 and the rear frame 3, and the splicing seams of the water-cooling plate 6 and the plug structure 2 and the rear frame 3 are welded by adopting double-sided FSW.
The water pipe is connected to the outer side of the water-cooling box body structure, water flow is injected into the water channel 601 of the water-cooling plate 6 through the water inlet nozzle 7, then flows along the set flow direction in the water channel 601, and then flows out towards the water outlet nozzle 8, so that a water-cooling circulation system is formed.
The depth of the plug structure 2 and the back frame 3 welded with the double-sided FSW of the water cooling plate 6 is 2mm, the plug structure does not penetrate through the cold plate 6, the side edge has a gap to leak water, the plugging is needed, the total number of the positions is 4, and the air tightness requirement of the water cooling plate 6 is as follows: introducing 0.3MPa compressed air, keeping 1 minute, and reducing pressure drop less than 100 Pa.
In order to meet the airtight requirement, 4 notches are formed in the side edges of the plug structure, the rear frame and the water cooling plate after being welded through the double-sided FSW, the 4 notches are arranged to form a semicircular fan-shaped notch 9, when the small hole 10 inside the plug structure is seen, the operation size of the welding gun head is optimized, cutting fluid is not added at best during machining, water cannot exist, the cutting fluid can enter the bottom plate, the cutting fluid cannot be cleaned up, the TIG welding is affected to form air holes, and the airtightness is affected.
Then, the semi-circular fan-shaped notch 9 is repaired, and the method comprises the following two steps:
step one, visually observing the small hole 10, then performing TIG welding to seal the small hole, wherein no air hole can be formed, if some small holes are formed, polishing off the small hole, re-welding the small hole, and performing the next operation after confirming that no problem exists;
and secondly, surfacing, namely filling a large gap of a TIG full weld scar, and finally polishing the weld scar higher than a plane to be flat, wherein the airtightness reliability is optimal, if the gap is not opened or is opened to be very small, a tunnel air hole is often formed in a welding seam, and the airtightness qualified rate is only about 50%.
The scheme that the notch is machined and the water cooling plate is blocked by TIG welding can ensure that the airtight qualified rate of the water cooling plate reaches about 98 percent.
A plug structure is designed in the deep cavity box body structure, water collecting holes are designed in the plugs, a water inlet nozzle and a water outlet nozzle are welded on the plane of the plugs to form a water channel structure, and a water cooling circulating system is formed by the water inlet nozzle, the water outlet nozzle, a water cooling plate and a rear frame,
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
Example two
A production process of a water-cooling box body structure with a plug comprises the following steps:
a. and (3) processing of the plug structure 2:
selecting an aluminum profile type solid plate 204 according to actual requirements, processing a triangular water gap 201 on the aluminum profile type solid plate 204, processing a through water channel hole 202 in the inner space of the triangular water gap 201 by adopting a deep space drill,
finally, installing a stirring welding supporting block 203 on one side of the aluminum profile type solid plate 204 connected with the water cooling plate;
b. and (3) processing of a rear frame:
processing the aluminum alloy section according to actual requirements to obtain a rear frame;
c. and (3) processing a water-cooling plate 6:
processing the aluminum alloy section according to actual requirements to obtain a water cooling plate 6, and processing a corresponding water channel 601 on the water cooling plate 6;
d. the plug structure 2 and the rear frame 3 are welded with the water cooling plate 6 in a FSW mode:
inserting one side of a water-cooling plate 6 into the stirring welding supporting block 203 of the plug structure 2, inserting the other side of the water-cooling plate into the rear frame 3, and then adopting double-sided FSW at a splicing seam;
e. processing a notch on the water cooling plate 6:
4 notches are formed in the side edge of the water cooling plate 6, the plug structure 2 and the rear frame 3 after double-sided FSW welding, and the 4 notches are processed to form a semicircular fan-shaped notch 9 until an inner small hole 10 is seen, so that the operation size of the welding gun head is optimized conveniently;
f. welding the water nozzle and the notch:
the water inlet nozzle 7 and the water outlet nozzle 8 are respectively inserted into the triangular water gap 201 on the front frame, and are fully welded for a circle along the joint of the triangular water gap 201 and the water inlet nozzle 7 and the water outlet nozzle 8 by adopting a TIG welding mode,
then visually plugging the small hole 10 in the semicircular fan-shaped notch 9 in the step e by TIG welding, wherein no air hole can be formed, if the air hole exists, the air hole needs to be ground and then welded again,
after confirming that no problem exists, adopting TIG welding to stack the semicircular fan-shaped notch 9 of the crater to fill, and finally polishing the crater higher than the plane;
g. and (3) air tightness testing: introducing 0.3MPa compressed air into the water-cooling plate 6, keeping 1 minute, and meeting the key index of the water-cooling box body if the pressure drop is less than 100 Pa;
h. and (3) post-processing: and after the air tightness test of the water-cooling plate is qualified, the front frame passes through the water inlet nozzle 7 and the water outlet nozzle 8, meanwhile, the left frame 4 and the right frame 5 are subjected to double-sided FSW welding with the water-cooling plate 6, and then TIG full welding, part welding, air tightness test of the inner cavity of the box body, finish machining of the box body and rivet-pulling of the upper tooth sleeve are sequentially carried out, so that the machining and manufacturing of the integral deep-cavity water-cooling box body structure are realized.
The water-cooling box body structure with the plug and the production process thereof have the beneficial effects that:
the box body and the water cooling plate are integrated, a plug structure is designed in the deep cavity box body structure, water collecting holes are designed in the plugs, a water inlet nozzle and a water outlet nozzle are welded on the plane of each plug to form a water channel structure, and a water cooling circulation system is formed by the water inlet nozzle, the water outlet nozzle, the water cooling plate and the rear frame;
the gaps are machined at FSW leakage points of the plug structure, the rear frame and the water cooling plate, and the air tightness qualification rate is guaranteed by using a TIG welding plugging mode, so that the batch production efficiency is improved, and the production cost is reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a water-cooling box structure with end cap which characterized in that includes: a front frame, a left frame, a rear frame, a right frame and a water inlet and outlet structure,
the water inlet and outlet structure comprises a plug structure, a water inlet nozzle, a water outlet nozzle and a water cooling plate, the plug structure comprises an aluminum section solid plate, a triangular water gap is arranged on the aluminum section solid plate, the water inlet nozzle and the water outlet nozzle are inserted into the triangular water gap and welded and fixed, a water channel is arranged on the water cooling plate, one end of the water channel is communicated with the water inlet nozzle, the other end of the water channel is communicated with the water outlet nozzle,
the front side and the rear side of the water cooling plate are respectively welded with the plug structure and the rear frame into a whole through FSW, and then the front frame penetrates through the water inlet nozzle and the water outlet nozzle and is welded with the left frame and the right frame through FSW to form a deep-cavity water cooling box body structure.
2. The water-cooling box body structure with the plug according to claim 1, wherein the left side and the right side of the aluminum section solid plate are provided with triangular water gaps for inserting the water inlet nozzle and the water outlet nozzle into the aluminum section solid plate, the inner space of each triangular water gap forms a water storage transition area, and water passage holes are distributed in the water storage transition area.
3. The water-cooling box body structure with the plug according to claim 2, wherein the water inlet nozzle and the water outlet nozzle are welded on the triangular water gaps on the left side and the right side of the aluminum section solid plate, and a circle of full welding is performed along the joint of the triangular water gap and the water inlet nozzle and the water outlet nozzle in a TIG (tungsten inert gas) welding mode.
4. The water-cooled box body structure with the plug according to claim 1, wherein one side of the aluminum section solid plate connected with the water-cooled plate is provided with stirring and welding support blocks for inserting the water-cooled plate, and water channels on the water-cooled plate are separated by the stirring support blocks.
5. The water-cooling box body structure with the plug according to claim 1, wherein the front side and the rear side of the water-cooling plate are respectively inserted into the plug structure and the rear frame, and the splicing seams of the water-cooling plate, the plug structure and the rear frame are welded by adopting double-sided FSW.
6. The water-cooled box structure with the plug according to claim 1, wherein the water pipe is connected to the outside of the water-cooled box structure, and the water flows into the water channel of the water-cooled plate through the water inlet nozzle, flows along the predetermined flow direction in the water channel, and then flows out toward the water outlet nozzle, thereby forming a water-cooled circulation system.
7. The water-cooled box body structure with the plug according to claim 5, wherein the plug structure and the FSW welding depth of the back frame and the double faces of the water-cooled plate are 2 mm.
8. The water-cooling box body structure with the plug according to claim 1, wherein 4 notches are formed in the side edges of the plug structure, the rear frame and the water-cooling plate after the plug structure and the water-cooling plate are welded through double-sided FSW, and the 4 notches are formed to form semicircular fan-shaped notches.
9. The water-cooled box structure with the plug according to claim 8, wherein the semicircular fan-shaped gap is plugged by TIG full welding and then is ground flat.
10. The production process of the water-cooling box body structure with the plug is characterized by comprising the following steps of:
a. and (3) processing a plug structure:
selecting an aluminum profile type solid plate according to actual requirements, processing a triangular water gap on the aluminum profile type solid plate, processing a through water channel hole in the inner space of the triangular water gap by adopting a deep space drill,
finally, installing a stirring welding supporting block on one side of the aluminum profile type solid plate connected with the water cooling plate;
b. processing a rear frame:
processing the aluminum alloy section according to actual requirements to obtain a rear frame;
c. processing a water-cooling plate:
processing the aluminum alloy section according to actual requirements to obtain a water-cooling plate, and processing a corresponding water channel on the water-cooling plate;
d. and (3) welding the plug structure and the rear frame with the water-cooling plate FSW:
inserting one side of a water cooling plate into a stirring welding support block of a plug structure, inserting the other side of the water cooling plate into a rear frame, and then adopting double-sided FSW at a splicing seam;
e. processing a notch on a water-cooling plate:
the water cooling plate, the plug structure and the rear frame are welded through double-sided FSW, 4 notches are formed in the side edge, the 4 notches are machined to form semicircular fan-shaped notches until small holes in the water cooling plate and the plug structure are seen, and the operation size of the welding gun head is convenient to be optimal;
f. welding the water nozzle and the notch:
the water inlet nozzle and the water outlet nozzle are respectively inserted into the triangular water port on the front frame, and a TIG welding mode is adopted to fully weld a circle along the joint of the triangular water port and the water inlet nozzle and the water outlet nozzle,
then, visually observed holes in the semicircular fan-shaped notches in the step e are blocked by TIG welding, air holes cannot be formed, if the air holes exist, the holes need to be ground and then welded again,
after confirming that no problem exists, adopting TIG welding to stack the semicircular fan-shaped notch of the crater to be filled, and finally polishing the crater higher than the plane to be flat;
g. and (3) air tightness testing: introducing 0.3MPa compressed air into the water-cooling plate, keeping 1 minute, and meeting the key index of the water-cooling box body if the pressure drop is less than 100 Pa;
h. and (3) post-processing: and after the air tightness test of the water-cooling plate is qualified, the front frame penetrates through the water inlet nozzle and the water outlet nozzle, meanwhile, the left frame and the right frame are subjected to double-sided FSW welding with the water-cooling plate, and then TIG full-weld, part welding, the air tightness test of the cavity in the box body, finish machining of the box body and rivet-pulling of the upper tooth sleeve are sequentially carried out, so that the machining and manufacturing of the integral deep-cavity water-cooling box body structure are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180319.2A CN111231700A (en) | 2020-03-16 | 2020-03-16 | Water-cooling box body structure with plug and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180319.2A CN111231700A (en) | 2020-03-16 | 2020-03-16 | Water-cooling box body structure with plug and production process thereof |
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| CN111231700A true CN111231700A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010180319.2A Pending CN111231700A (en) | 2020-03-16 | 2020-03-16 | Water-cooling box body structure with plug and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113519A1 (en) * | 2022-11-30 | 2024-06-06 | 上海启源芯动力科技有限公司 | Cooling plate assembly |
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| CN107732355A (en) * | 2017-08-21 | 2018-02-23 | 东莞市迈泰热传科技有限公司 | A kind of liquid cooling plate of internal shunt |
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| WO2024113519A1 (en) * | 2022-11-30 | 2024-06-06 | 上海启源芯动力科技有限公司 | Cooling plate assembly |
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