CN107498129A - A kind of copper brazing method of fuel dispensing tube - Google Patents
A kind of copper brazing method of fuel dispensing tube Download PDFInfo
- Publication number
- CN107498129A CN107498129A CN201710913609.1A CN201710913609A CN107498129A CN 107498129 A CN107498129 A CN 107498129A CN 201710913609 A CN201710913609 A CN 201710913609A CN 107498129 A CN107498129 A CN 107498129A
- Authority
- CN
- China
- Prior art keywords
- copper
- tube body
- fuel
- pipe joint
- backbone block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0006—Exothermic brazing
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel-Injection Apparatus (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a kind of copper brazing method of fuel dispensing tube, fuel dispensing tube includes the end cap that fuel distribution tube body, sensor holder, pipe joint, backbone block and fuel dispensing tube body end match, it is characterised in that including following step Zou：1）A copper ring is respectively pressed into the both ends of fuel distribution tube body by pressing machine first, then end cap is pressed into the end of fuel distribution tube body again；2）The sensor holder, pipe joint, the fitting surface of backbone block and fuel distribution tube body are arc surface, counterbore is provided with each arc surface, copper glue is placed in each counterbore in advance, then sensor holder, pipe joint and backbone block are pre-assembled on fuel distribution tube body using Laser Welding or argon arc welding.By copper material built in promotion, joint filling to ensure the full weight and reliability of its joint filling, can effectively solve the stability problem of copper brazing to the present invention after being melted down, reduce the leakage rate of product, and then improve product quality, reach the purpose for reducing cost.
Description
Technical field
The invention belongs to soldering tech field, it is related to a kind of copper brazing method of fuel dispensing tube.
Background technology
Copper brazing is the connection and sealing mode being widely used between stainless steel structure part, especially on fuel dispensing tube
Application it is more universal.Automobile fuel oil pipeline is a kind of automobile engine safety member, and it is to the bonding strength between part and close
It is very high to seal effect requirements.At present, fuel dispensing tube carries out soldering frequently with the mode of preset brazing solder, and which is zero
The preset copper glue in outside caused by part assembling at gap, detects copper brazing turgor, and pass through water after soldering by outward appearance
Close or helium examines the sealing of product after soldering；The mode of this copper glue preset on the outside of part can not protect in brazing process
Internal brazing surface is full of copper material between card part, poor reliability, has then derived the mode that copper ring is placed in inside parts
Soldering is carried out, but because the copper material of fusing effectively can not flow out from counterbore, it is not full equally to will also result in gap filling, and
Current check system also can't detect the filling situation of part soldering arc surface internal copper, thus can reduce product quality and
Increase the scrappage of product, improve the production cost of product.
The content of the invention
It is an object of the invention to for above-mentioned deficiency of the prior art, there is provided a kind of copper brazing side of fuel dispensing tube
Method, the full weight and reliability of its joint filling joint filling and are ensured by copper material built in promotion after being melted down, to solve the steady of copper brazing
Qualitative question, the leakage rate of product is reduced, and then carry out and improve product quality, reduce the purpose of cost.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of copper brazing method of fuel dispensing tube, fuel dispensing tube include fuel distribution tube body, sensor holder, pipe joint,
Backbone block and the end cap to match with fuel dispensing tube body end, it is characterised in that including following step Zou：
1）A copper ring is respectively pressed into the both ends of fuel distribution tube body by pressing machine first, then again by end cap press-in fuel oil point
End with tube body；
2）The sensor holder, pipe joint, the fitting surface of backbone block and fuel distribution tube body are arc surface, at each arc surface
Counterbore is provided with, places copper glue in each counterbore in advance, then using Laser Welding or argon arc welding by sensor holder, pipe joint
And backbone block is pre-assembled on fuel distribution tube body；
3）Slice weldering will be sent into after preassembled fuel dispensing tube is placed on the bracket being matched therewith, it is each heavy to make
Copper glue fusing in hole, and fill sensor seat, pipe joint, backbone block and fuel oil are corresponded under capillary force and Action of Gravity Field
The gap distributed between tube body；Cooling section is subsequently entered, to be formed because the solidification of copper liquid is cooled down and interacted with matrix
Soldered fitting causes sensor holder, pipe joint, backbone block and fuel distribution tube body fully to connect and seal, and completes fuel oil point
The copper brazing of pipe arrangement.
Further, step 1）In, first copper ring is tentatively pressed into fuel distribution tube body, when end cap is pressed into, by holding
Lid pushes copper ring and is finally pressed into together in fuel distribution tube body, to ensure that end cap is brought into close contact with copper ring；The fuel distribution
The end of tube body is interference fitted with end cap.
Further, step 2）In, it is respectively provided with the arc surface of the sensor holder, pipe joint and backbone block crisscross
Lines, surface roughness Ra value is 6.3~50, to ensure wetability and capillary force of the respective arc surface in soldering.
Further, step 2）In, two or two are equipped with the arc surface of the sensor holder, pipe joint and backbone block
Individual above counterbore, and wherein at least one counterbore is through hole, as asphalt channel.
Further, step 2）In, in the counterbore of sensor holder, pipe joint and backbone block during preset copper glue, it is ensured that copper
The counterbore as asphalt channel is not completely covered for glue, in order to avoid the sealed taper for blocking or making copper liquid permeate into the counterbore other end
Face；The sensor holder, pipe joint, backbone block and fuel distribution tube body carry out pre-assembled using Laser Welding or argon arc welding
When, solder joint is symmetrical, and at least has 2 solder joints respectively, and Solder Joint is point-like spot welding or wire seam weld.
Further, step 3）In, described bracket includes base, has polylith along its length on the base
The supporting plate of distribution, the top of the supporting plate is in W shapes.
The beneficial effects of the present invention are：
1st, the present invention can be good at promoting built-in copper glue joint filling after being melted down, and can guarantee that the full weight of copper liquid joint filling and reliable
Property；
2nd, the present invention can solve the stability problem of copper brazing very well, reduce the leakage rate of product, improve product quality and safety
Performance, cost is reduced, the copper brazing technique for the fuel dispensing tube that is particularly suitable for use in.
Brief description of the drawings
Fig. 1 is application effect figure of the present invention.
Fig. 2 is the internal structure schematic diagram of pipe joint.
Fig. 3 is the floor map of arc surface in Fig. 2.
Fig. 4 is the internal structure schematic diagram of backbone block.
Fig. 5 is the soldering schematic diagram at backbone block.
Fig. 6 is the internal structure schematic diagram of sensor holder.
In figure：1- fuel distribution tube bodies, 2- pipe joints, 21- pipe joint arc surfaces, the counterbore of 22- pipe joints first, 23-
The counterbore of pipe joint second, the lines of 24- pipe joint arc surfaces, 3- end caps, 4- backbone blocks, 41- backbone block arc surfaces, 42- supports
Block counterbore, 5- sensor holders, 51- sensor holder arc surfaces, 52- sensor holder counterbores, 6- brackets, 7- copper glue, 8- solder joints.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 to 6 is referred to, the invention discloses a kind of copper brazing method of fuel dispensing tube, fuel dispensing tube includes combustion
Oil matches somebody with somebody tube body 1, sensor holder 5, pipe joint 2, backbone block 4 and the end cap 3 to match with the end of fuel distribution tube body 1, its
It is characterised by including walking Zou as follows：
1）A copper ring is respectively pressed into the both ends of fuel distribution tube body 1 by pressing machine first, end cap 3 is then pressed into fuel oil again
Distribute the end of tube body 1；
2）The sensor holder 5, pipe joint 2, backbone block 4 and the fitting surface of fuel distribution tube body 1 are arc surface, each circular arc
Counterbore is provided with face, places copper glue in each counterbore in advance, then using Laser Welding or argon arc welding by sensor holder 5,
Pipe joint 2 and backbone block 4 are pre-assembled on fuel distribution tube body；Pipe joint 2 has pipe joint arc surface 21, pipe joint circular arc
Pipe joint counterbore is provided with face 21；Backbone block 4 has backbone block arc surface 41, and backbone block counterbore is provided with backbone block arc surface 41
42；Sensor holder 5 has sensor holder arc surface 51, and sensor holder counterbore is provided with sensor seat arc surface 5；
3）Slice weldering will be sent into after preassembled fuel dispensing tube is placed on the bracket 6 being matched therewith, made each
Copper glue fusing in counterbore, and fill sensor seat 5, pipe joint 2, backbone block 4 are corresponded under capillary force and Action of Gravity Field
With the gap between fuel distribution tube body 1；Subsequently enter cooling section, due to copper liquid solidification cooling and with matrix phase interaction
Sensor holder 5, pipe joint 2, backbone block 4 is caused fully to be connected and seal with fuel distribution tube body 1 with formation soldered fitting,
Complete the copper brazing of fuel dispensing tube.
Preferably, step 1）In, first copper ring is tentatively pressed into fuel distribution tube body, when end cap is pressed into,
Copper ring is push by end cap to be finally pressed into fuel distribution tube body together, to ensure that end cap is brought into close contact with copper ring, in soldering
The copper liquid of fusing is at the gap of fitting surface；The end of the fuel distribution tube body 1 is interference fitted with end cap 2.
Preferably, step 2）In, it is respectively provided with the arc surface of the sensor holder 5, pipe joint 2 and backbone block 4
Crisscross lines, surface roughness Ra value is 6.3~50, to ensure wetability and capillary of the respective arc surface in soldering
Active force.By taking pipe joint 2 as an example, Fig. 2,3 are referred to, there is crisscross pipe on the pipe joint arc surface 21 of the pipe joint 2
The lines 24 of joint arc surface.
Preferably, step 2）In, it is equipped with the arc surface of the sensor holder 5, pipe joint 2 and backbone block 4
Two or more counterbores, and wherein at least one counterbore is through hole, as asphalt channel.Equally by taking pipe joint 2 as an example,
Fig. 2,3 are referred to, the first counterbore of pipe joint 22 and the counterbore of pipe joint second are provided with the pipe joint arc surface 21 of the pipe joint 2
23, and one of them is through hole.
Preferably, step 2）In, in the counterbore of sensor holder 5, pipe joint 2 and backbone block 4 during preset copper glue,
Ensure that the counterbore as asphalt channel is not completely covered for copper glue（There is the counterbore of through hole）, in order to avoid block or make copper liquid disperse
To the sealing cone of the counterbore other end；The sensor holder 5, pipe joint 2, backbone block 4 are with fuel distribution tube body 1 using sharp
When flush weld or argon arc welding carry out pre-assembled, solder joint is symmetrical, and at least has 2 solder joints respectively, and Solder Joint is a little
Shape spot welding or wire seam weld.By taking backbone block 4 as an example, refer to Fig. 4,5, the backbone block 4 carried out with fuel distribution tube body 1 it is pre-
There is preset copper glue 7 during assembling, in its counterbore, and carried out with fuel distribution tube body 1 by two symmetrical solder joints 8 tentatively solid
It is fixed.
Preferably, step 3）In, described bracket 6 includes base, on the base there is polylith to be grown along it
The supporting plate of directional spreding is spent, the top of each supporting plate is in W shapes.Described bracket must ensure backbone block, sensor holder
With the axis of the counterbore of pipe joint towards at least with plane-parallel, if make the front end of each counterbore upward, then best results, this
Sample can make full use of the effect of gravity, promote the copper liquid of fusing toward trickling at the gap of corresponding fitting surface, and then to pass
Sensor seat, pipe joint, backbone block and fuel distribution tube body are fully connected and sealed.
The above description of this invention and application are illustrative, are not wishing to limit the scope of the invention to above-mentioned implementation
In example.In the case where not departing from scope and spirit of the present invention, can to embodiments disclosed herein carry out it is other deformation and
Change.
Claims (6)
1. a kind of copper brazing method of fuel dispensing tube, fuel dispensing tube includes fuel distribution tube body, sensor holder, pipe and connect
Head, backbone block and the end cap to match with fuel dispensing tube body end, it is characterised in that including following step Zou：
1）A copper ring is respectively pressed into the both ends of fuel distribution tube body by pressing machine first, then again by end cap press-in fuel oil point
End with tube body；
2）The sensor holder, pipe joint, the fitting surface of backbone block and fuel distribution tube body are arc surface, at each arc surface
Counterbore is provided with, places copper glue in each counterbore in advance, then using Laser Welding or argon arc welding by sensor holder, pipe joint
And backbone block is pre-assembled on fuel distribution tube body；
3）Slice weldering will be sent into after preassembled fuel dispensing tube is placed on the bracket being matched therewith, it is each heavy to make
Copper glue fusing in hole, and fill sensor seat, pipe joint, backbone block and fuel oil are corresponded under capillary force and Action of Gravity Field
The gap distributed between tube body；Cooling section is subsequently entered, to be formed because the solidification of copper liquid is cooled down and interacted with matrix
Soldered fitting causes sensor holder, pipe joint, backbone block and fuel distribution tube body fully to connect and seal, and completes fuel oil point
The copper brazing of pipe arrangement.
2. the copper brazing method of fuel dispensing tube according to claim 1, it is characterised in that：Step 1）In, first by copper ring
In preliminary press-in fuel distribution tube body, when end cap is pressed into, copper ring is push by end cap and is finally pressed into fuel dispensing tube sheet together
In vivo, to ensure that end cap is brought into close contact with copper ring；The end of the fuel distribution tube body is interference fitted with end cap.
3. the copper brazing method of fuel dispensing tube according to claim 1, it is characterised in that：Step 2）In, the sensing
Crisscross lines is respectively provided with the arc surface of device seat, pipe joint and backbone block, surface roughness Ra value is 6.3~50, to protect
Demonstrate,prove wetability and capillary force of the respective arc surface in soldering.
4. the copper brazing method of fuel dispensing tube according to claim 1, it is characterised in that：Step 2）In, the sensing
Two or more counterbores are equipped with the arc surface of device seat, pipe joint and backbone block, and wherein at least one counterbore is
Through hole, as asphalt channel.
5. the copper brazing method of fuel dispensing tube according to claim 4, it is characterised in that：Step 2）In, in sensor
In the counterbore of seat, pipe joint and backbone block during preset copper glue, it is ensured that the counterbore as asphalt channel is not completely covered for copper glue, in order to avoid
The sealing cone for blocking or making copper liquid permeate into the counterbore other end；The sensor holder, pipe joint, backbone block and fuel oil point
When carrying out pre-assembled using Laser Welding or argon arc welding with tube body, solder joint is symmetrical, and at least has 2 welderings respectively
Point, Solder Joint are point-like spot welding or wire seam weld.
6. the copper brazing method of fuel dispensing tube according to claim 1, it is characterised in that：Step 3）In, described is special
Include base with bracket, there is the supporting plate that polylith is distributed along its length, the top of the supporting plate is in W on the base
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913609.1A CN107498129B (en) | 2017-09-30 | 2017-09-30 | Copper brazing method for fuel distribution pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913609.1A CN107498129B (en) | 2017-09-30 | 2017-09-30 | Copper brazing method for fuel distribution pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498129A true CN107498129A (en) | 2017-12-22 |
| CN107498129B CN107498129B (en) | 2019-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710913609.1A Active CN107498129B (en) | 2017-09-30 | 2017-09-30 | Copper brazing method for fuel distribution pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN107498129B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986200A (en) * | 2017-12-29 | 2019-07-09 | 无锡威孚施密特动力系统零部件有限公司 | A kind of stainless steel braze-welded structure in-cylinder direct-jet high pressure oil rail manufacturing process |
| CN110181213A (en) * | 2019-05-30 | 2019-08-30 | 上海威克迈龙川汽车发动机零件有限公司 | A kind of weldering assembling jig of double localization type high pressure fuel distribution pipe |
| CN114083088A (en) * | 2021-12-03 | 2022-02-25 | 赛沃智造(上海)科技有限公司 | High-pressure oil rail argon arc welding assembly and manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033474A (en) * | 1998-07-22 | 2000-02-02 | Nippon Light Metal Co Ltd | Manufacture of fluid distribution pipe |
| CN101846020A (en) * | 2010-04-15 | 2010-09-29 | 联合汽车电子有限公司 | Internal airbag pressure stabilizer, method for producing same and method for producing fuel distribution pipe |
| CN104209614A (en) * | 2013-05-30 | 2014-12-17 | 通用电气公司 | Hybrid diffusion-brazing process and hybrid diffusion-brazed article |
| CN104625278A (en) * | 2013-11-12 | 2015-05-20 | 联合汽车电子有限公司 | Method for manufacturing products by cast components through copper brazing |
| CN106424999A (en) * | 2016-10-31 | 2017-02-22 | 联合汽车电子有限公司 | Copper brazing manufacturing method of fuel distribution pipe and radial connecting part of main pipe |
-
2017
- 2017-09-30 CN CN201710913609.1A patent/CN107498129B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033474A (en) * | 1998-07-22 | 2000-02-02 | Nippon Light Metal Co Ltd | Manufacture of fluid distribution pipe |
| CN101846020A (en) * | 2010-04-15 | 2010-09-29 | 联合汽车电子有限公司 | Internal airbag pressure stabilizer, method for producing same and method for producing fuel distribution pipe |
| CN104209614A (en) * | 2013-05-30 | 2014-12-17 | 通用电气公司 | Hybrid diffusion-brazing process and hybrid diffusion-brazed article |
| CN104625278A (en) * | 2013-11-12 | 2015-05-20 | 联合汽车电子有限公司 | Method for manufacturing products by cast components through copper brazing |
| CN106424999A (en) * | 2016-10-31 | 2017-02-22 | 联合汽车电子有限公司 | Copper brazing manufacturing method of fuel distribution pipe and radial connecting part of main pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986200A (en) * | 2017-12-29 | 2019-07-09 | 无锡威孚施密特动力系统零部件有限公司 | A kind of stainless steel braze-welded structure in-cylinder direct-jet high pressure oil rail manufacturing process |
| CN110181213A (en) * | 2019-05-30 | 2019-08-30 | 上海威克迈龙川汽车发动机零件有限公司 | A kind of weldering assembling jig of double localization type high pressure fuel distribution pipe |
| CN110181213B (en) * | 2019-05-30 | 2020-12-22 | 上海威克迈龙川汽车发动机零件有限公司 | Welding assembly fixture for dual-positioning type high-pressure fuel distribution pipe |
| CN114083088A (en) * | 2021-12-03 | 2022-02-25 | 赛沃智造(上海)科技有限公司 | High-pressure oil rail argon arc welding assembly and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107498129B (en) | 2019-12-27 |
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Address after: 201112 No. 96, Jiangchao Road, Minhang District, Shanghai Patentee after: Saiwo Zhizao (Shanghai) Technology Co.,Ltd. Address before: No.20196 minchao Road, Pujiang Town, Shanghai Patentee before: SHANGHAI WINKELMANN LONGCHUAN (SWL) MOTORCOMPONENTS Co.,Ltd. |