CN113339613A - Special-shaped joint and manufacturing method thereof - Google Patents
Special-shaped joint and manufacturing method thereof Download PDFInfo
- Publication number
- CN113339613A CN113339613A CN202110659358.5A CN202110659358A CN113339613A CN 113339613 A CN113339613 A CN 113339613A CN 202110659358 A CN202110659358 A CN 202110659358A CN 113339613 A CN113339613 A CN 113339613A
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- China
- Prior art keywords
- connecting block
- pipe
- joint
- temperature
- brazing
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- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000005219 brazing Methods 0.000 claims description 26
- 238000003466 welding Methods 0.000 claims description 22
- 238000009529 body temperature measurement Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 7
- 238000004512 die casting Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/008—Branching pipes; Joining pipes to walls for connecting a measuring instrument
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a special-shaped joint which comprises a connecting block, wherein one end of the connecting block is connected with a water inlet pipe through a flange, the other end of the water inlet pipe is provided with a water inlet, the other end of the connecting block is connected with a water outlet pipe, one side of the connecting block is connected with the water outlet pipe, the other end of the water outlet pipe is provided with a water outlet, the other side of the connecting block is connected with a temperature measuring pipe, and the other end of the temperature measuring pipe is provided with a temperature measuring port. The invention has the advantages of small processing amount, low cost, no dependence on a die and less investment.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a special-shaped joint and a manufacturing method thereof.
Background
The electric automobile belongs to one of new energy automobiles and is more and more concerned by people at present. In an electric automobile, a power battery is a core element, the charging and discharging rate of the power battery is directly related to the electric performance, and the charging and discharging efficiency of the power battery is influenced by the temperature because the power battery is generally the interconversion of chemical energy and electric energy. The power battery can generate a large amount of heat in the working process, if the heat can not be repeatedly and rapidly dissipated, the temperature of the power battery can be increased, if the temperature is increased to exceed a reasonable range (for example, 25-45 ℃), the service life of the power battery can be shortened, thermal failure can be seriously caused, and safety accidents such as battery fire and even explosion can be caused. Therefore, the power battery cooling system is of great importance.
The cooling of the power battery mainly depends on a water pump and a thermal management system, and a flange joint is adopted for connection between the water pump and the thermal management system. Because IP67 is to the requirement of passenger car, flange joint and box linking part need use the sealing washer and add bolt locking mechanism, have leaded to the flange joint mostly to special-shaped structure.
The processing mode that present flange connects is mostly: numerical control machining or die casting and numerical control machining; the numerical control machining has the advantages that: the precision is high, the defects are that the machining period is long and the cost is high due to the complex structure and the need of turning, milling and exchanging, and the products with particularly complex structures can not be machined; die casting and numerical control machining: the molding cycle is fast, and the defects are that: the mold processing cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a special-shaped joint and a manufacturing method thereof to solve the problem.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a special-shaped joint, includes the connecting block, flange and water piping connection are passed through to connecting block one end, the inlet tube other end is equipped with the water inlet, the connecting block other end and play water piping connection, one side and the play water piping connection of connecting block, the other end of outlet pipe is equipped with the delivery port, the opposite side and the temperature tube connection of connecting block, the other end of temperature tube is equipped with the temperature measurement mouth.
As a further scheme of the invention, a first welding ring is arranged at the joint of the water inlet pipe and the connecting block, a second welding ring is arranged at the joint of the water outlet pipe and the connecting block, and a third welding ring is arranged at the joint of the temperature measuring pipe and the connecting block.
As a further scheme of the invention, the central axis of the water inlet pipe is superposed with the central axis of the water outlet pipe.
As a further scheme of the invention, the two water outlet pipes are vertical to the temperature measuring pipe.
A manufacturing method of a special-shaped joint comprises the following specific steps:
step 1: processing parts, namely processing the raw materials into a connecting block, a water inlet pipe, a water outlet pipe and a temperature measuring pipe by a numerical control lathe;
step 2: assembling, namely placing a first welding ring at the joint of the water inlet pipe and the connecting block, placing a second welding ring at the joint of the water outlet pipe and the connecting block, and placing a third welding ring at the joint of the temperature measuring pipe and the connecting block;
and step 3: welding, namely selecting a 4-section brazing furnace, and placing a product on the brazing furnace for brazing;
and 4, step 4: airtight detection chooses the sealed delivery port of end cap for use, chooses for use the sealed temperature measurement mouth of temperature sensor, chooses for use interior expanding tube to enter and links up the water inlet, carries out airtight detection.
In the step 3, the brazing chain speed is 400-500 mm/min, the first-stage brazing temperature is 415-425 ℃, the second-stage brazing temperature is 420-430 ℃, the third-stage brazing temperature is 430-440 ℃, and the fourth-stage brazing temperature is 430-440 ℃.
As a further scheme of the invention, in the step 4, the sealing performance of the system is tested under the conditions of inflation pressure of 200kPa, inflation time of 180s, pressure stabilizing time of 60s, test time of 60s and exhaust time of 5 s.
As a further proposal of the invention, the pressure drop under the exhaust is less than or equal to 45 Pa/min.
As the technical scheme is adopted, the invention has the advantages and positive effects that:
1: small processing amount and low cost
Because the products are processed and split, the materials are selected only according to the sizes of the spare parts, the materials required by the integral processing are not required to be purchased, the cost of raw materials is reduced, and the corresponding processing cutting amount is also reduced.
2: no dependence on mould and less investment
Because the manufacturing process adopts machining and brazing molding, a die-casting die is not needed, and the investment of the previous working die is low.
Drawings
Figure 1 is a front view of a profile joint of the present invention.
Fig. 2 is a left side view of the connection block.
Fig. 3 is a right side view of the connection block.
In the figure: 1 is the connecting block, 2 is the flange, 3 is the inlet tube, 4 is first welding ring, 5 is the water inlet, 6 is the outlet pipe, 7 is the second welding ring, 8 is the delivery port, 9 is the temperature tube, 10 is the third welding ring, 11 is the temperature measurement mouth.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the special-shaped joint provided by the invention comprises a connecting block 1, wherein one end of the connecting block 1 is connected with a water inlet pipe 3 through a flange 2, the other end of the water inlet pipe 3 is provided with a water inlet 5, the other end of the connecting block 1 is connected with a water outlet pipe 6, one side of the connecting block 1 is connected with the water outlet pipe 6, the other end of the water outlet pipe 6 is provided with a water outlet 8, the other side of the connecting block 1 is connected with a temperature measuring pipe 9, and the other end of the temperature measuring pipe 9 is provided with a temperature measuring port 11.
Furthermore, a first welding ring 4 is arranged at the joint of the water inlet pipe 3 and the connecting block 1, a second welding ring 7 is arranged at the joint of the water outlet pipe 6 and the connecting block 1, and a third welding ring 10 is arranged at the joint of the temperature measuring pipe 9 and the connecting block 1.
Furthermore, the central axis of the water inlet pipe 3 is superposed with the central axis of the water outlet pipe 6.
Furthermore, the two water outlet pipes 6 are vertical to the temperature measuring pipe 9.
A manufacturing method of a special-shaped joint comprises the following specific steps:
step 1: processing parts, namely processing the raw materials into a connecting block 1, a water inlet pipe 3, a water outlet pipe 6 and a temperature measuring pipe 9 by a numerical control lathe;
step 2: assembling, namely placing a first welding ring 4 at the joint of the water inlet pipe 3 and the connecting block 1, placing a second welding ring 7 at the joint of the water outlet pipe 6 and the connecting block 1, and placing a third welding ring 10 at the joint of the temperature measuring pipe 9 and the connecting block 1;
and step 3: welding, namely selecting a 4-section brazing furnace, and placing a product on the brazing furnace for brazing;
and 4, step 4: airtight detection, choose end cap sealed delivery port 8 for use, choose temperature sensor sealed temperature measurement mouth 11 for use, choose interior expanding pipe to enter and link up water inlet 5 for use, carry out airtight detection.
In the step 3, the brazing chain speed is 400-500 mm/min, the first-stage brazing temperature is 415-425 ℃, the second-stage brazing temperature is 420-430 ℃, the third-stage brazing temperature is 430-440 ℃, and the fourth-stage brazing temperature is 430-440 ℃.
Further, in the step 4, the sealing performance of the system is tested under the conditions of the inflation pressure of 200kPa, the inflation time of 180s, the pressure stabilization time of 60s, the test time of 60s and the exhaust time of 5 s.
Further, the pressure drop under the exhaust is less than or equal to 45 Pa/min.
Compared with the existing flange joint, the invention has the following advantages:
1: small processing amount and low cost
Because the products are processed and split, the materials are selected only according to the sizes of the products of the sub-parts, the materials required by the integral processing are not required to be purchased, the cost of raw materials is reduced, and the corresponding processing cutting amount is also reduced.
2: no dependence on mould and less investment
Because the manufacturing process adopts machining and brazing molding, a die-casting die is not needed, and the investment of the previous working die is low.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (8)
1. A special-shaped joint is characterized in that: including connecting block (1), flange (2) are passed through to connecting block (1) one end and are connected with inlet tube (3), the inlet tube (3) other end is equipped with water inlet (5), the connecting block (1) other end is connected with outlet pipe (6), one side and outlet pipe (6) of connecting block (1) are connected, the other end of outlet pipe (6) is equipped with delivery port (8), the opposite side and the temperature measurement pipe (9) of connecting block (1) are connected, the other end of temperature measurement pipe (9) is equipped with temperature measurement mouth (11).
2. A profile joint according to claim 1, wherein: the joint of inlet tube (3) and connecting block (1) is equipped with first welding ring (4), the joint of outlet pipe (6) and connecting block (1) is equipped with the second and welds ring (7), the joint of temperature measurement pipe (9) and connecting block (1) is equipped with the third and welds ring (10).
3. A profile joint according to claim 1, wherein: the central axis of the water inlet pipe (3) coincides with the central axis of the water outlet pipe (6).
4. A profile joint according to claim 1, wherein: the two water outlet pipes (6) are vertical to the temperature measuring pipe (9).
5. A manufacturing method of a special-shaped joint is characterized by comprising the following steps: the method comprises the following specific steps:
step 1: processing parts, namely processing the raw materials into a connecting block (1), a water inlet pipe (3), a water outlet pipe (6) and a temperature measuring pipe (9) by a numerical control lathe;
step 2: assembling, namely placing a first welding ring (4) at the joint of the water inlet pipe (3) and the connecting block (1), placing a second welding ring (7) at the joint of the water outlet pipe (6) and the connecting block (1), and placing a third welding ring (10) at the joint of the temperature measuring pipe (9) and the connecting block (1);
and step 3: welding, namely selecting a 4-section brazing furnace, and placing a product on the brazing furnace for brazing;
and 4, step 4: and (3) air tightness detection, namely selecting a plug to seal the water outlet (8), selecting a temperature sensor to seal the temperature measuring port (11), selecting an inner expanding pipe to enter the connecting water inlet (5), and carrying out air tightness detection.
6. The method of manufacturing a shaped connector as defined in claim 5, wherein: in the step 3, the brazing chain speed is 400-500 mm/min, the first-stage brazing temperature is 415-425 ℃, the second-stage brazing temperature is 420-430 ℃, the third-stage brazing temperature is 430-440 ℃, and the fourth-stage brazing temperature is 430-440 ℃.
7. The method of manufacturing a shaped connector as defined in claim 5, wherein: in the step 4, the sealing performance of the system is tested under the conditions of the inflation pressure of 200kPa, the inflation time of 180s, the pressure stabilization time of 60s, the test time of 60s and the exhaust time of 5 s.
8. A method of manufacturing a profiled joint as claimed in claim 7, wherein: the pressure drop under the exhaust is less than or equal to 45 Pa/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659358.5A CN113339613A (en) | 2021-06-15 | 2021-06-15 | Special-shaped joint and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659358.5A CN113339613A (en) | 2021-06-15 | 2021-06-15 | Special-shaped joint and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339613A true CN113339613A (en) | 2021-09-03 |
Family
ID=77477020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110659358.5A Pending CN113339613A (en) | 2021-06-15 | 2021-06-15 | Special-shaped joint and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339613A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086437A (en) * | 2006-06-09 | 2007-12-12 | 朱瑞霞 | Heat radiator and its manufacturing method |
| WO2018124806A1 (en) * | 2016-12-30 | 2018-07-05 | 주식회사 두산 | Flow path connecting structure |
| CN208457418U (en) * | 2018-07-13 | 2019-02-01 | 湖北杰晟建设工程有限公司 | A kind of architectural engineering connector four-way |
| CN208519379U (en) * | 2018-05-04 | 2019-02-19 | 浙江嘉昱达机械有限公司 | A kind of agricultural production water pipe for irrigation adapter |
| CN112393048A (en) * | 2020-11-16 | 2021-02-23 | 宋亚攀 | Water supply and drainage pipeline connecting portion box structure for municipal works |
-
2021
- 2021-06-15 CN CN202110659358.5A patent/CN113339613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086437A (en) * | 2006-06-09 | 2007-12-12 | 朱瑞霞 | Heat radiator and its manufacturing method |
| WO2018124806A1 (en) * | 2016-12-30 | 2018-07-05 | 주식회사 두산 | Flow path connecting structure |
| CN208519379U (en) * | 2018-05-04 | 2019-02-19 | 浙江嘉昱达机械有限公司 | A kind of agricultural production water pipe for irrigation adapter |
| CN208457418U (en) * | 2018-07-13 | 2019-02-01 | 湖北杰晟建设工程有限公司 | A kind of architectural engineering connector four-way |
| CN112393048A (en) * | 2020-11-16 | 2021-02-23 | 宋亚攀 | Water supply and drainage pipeline connecting portion box structure for municipal works |
Non-Patent Citations (1)
| Title |
|---|
| 张金和/张明明/王志涛/赵淑敏: "《压力管道施工》", 31 May 2005 * |
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| PB01 | Publication | ||
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Application publication date: 20210903 |
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| RJ01 | Rejection of invention patent application after publication |