CN111843086A - Porous knockout location frock - Google Patents
Porous knockout location frock Download PDFInfo
- Publication number
- CN111843086A CN111843086A CN202010720885.8A CN202010720885A CN111843086A CN 111843086 A CN111843086 A CN 111843086A CN 202010720885 A CN202010720885 A CN 202010720885A CN 111843086 A CN111843086 A CN 111843086A
- Authority
- CN
- China
- Prior art keywords
- cooling
- hole
- cooling liquid
- rotating
- positioning
- 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
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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
- B23K1/002—Soldering by means of induction heating
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Abstract
The invention discloses a positioning tool for a porous liquid distributor, and relates to the technical field of welding equipment. Porous knockout location frock, including location frock main part, location frock main part includes: the fixture base is provided with a positioning hole A for positioning the porous liquid distributor; the cooling assembly is arranged on the tool base, and a positioning hole B coaxial with the positioning hole A is formed in the cooling assembly; an annular cooling channel is arranged in the cooling assembly and is blocked by a partition plate, and a cooling liquid inlet and a cooling liquid outlet are respectively arranged on two sides of the partition plate. According to the invention, the purpose of cooling the positioning tool in real time is realized by arranging the cooling assembly and matching with circulating cooling liquid, so that the positioning tool made of common metal materials is prevented from melting; through setting up rotary mechanism, in welding process, realize the work piece autogiration, make the work piece can be heated more evenly, the welding uniformity is better, avoids damaging the work piece because of the high temperature of one side.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to a positioning tool for a porous liquid distributor.
Background
High frequency welding is an induction heating apparatus that heats a weld to a certain temperature by induction current to melt the solder, thereby joining two metals of the same material or different materials together. The high-frequency welding has the advantages of high welding speed, high welding quality, small influence on the environment and the like, and is widely used for pipeline welding in the manufacturing process of white household appliances.
The porous liquid separator is also called a brass liquid separating head, and the brass liquid separating head is one of refrigeration accessories of the air conditioner. The porous liquid separator is connected with an air conditioning cold pipe in the using process, and the connection of the air conditioning cold pipe and the porous liquid separator is mainly completed through a high-frequency welding technology.
In the process of welding the air conditioning cooling pipe and the porous liquid distributor, a positioning tool is needed to position and fix the porous liquid distributor, then the air conditioning cooling pipe is respectively inserted into each through hole on the porous liquid distributor, welding materials are placed at the connecting positions of the air conditioning cooling pipe and each through hole, and welding is carried out through a welding head.
At present, in a high-frequency welding system, the welding time of a positioning tool for a large-diameter air-conditioning cold pipe is long, so that the heating temperature is not controllable, the positioning tool made of common metal materials is easy to melt, and the welding operation is influenced. How to solve the technical problems is a technical problem to be solved in the technical field of the existing welding equipment.
Disclosure of Invention
In view of the above technical problems, an embodiment of the present invention provides a positioning tool for a multi-hole liquid distributor, so as to solve the problems in the background art.
The invention provides the following technical scheme: the utility model provides a porous knockout location frock, includes location frock main part, location frock main part includes:
the fixture base is provided with a positioning hole A for positioning the porous liquid distributor;
the cooling assembly is arranged on the tool base, and a positioning hole B coaxial with the positioning hole A is formed in the cooling assembly; an annular cooling channel is arranged in the cooling assembly, the annular cooling channel is blocked by a partition plate, and a cooling liquid inlet and a cooling liquid outlet are respectively arranged on two sides of the partition plate;
the liquid outlet of the cooling liquid inlet pipe is connected with a cooling liquid inlet;
and a liquid inlet of the cooling liquid outlet pipe is connected with a cooling liquid outlet.
Preferably, still include the air-conveying pipe, the air delivery port of air-conveying pipe is located the locating hole A below.
Preferably, the device further comprises a rotating mechanism, wherein the rotating mechanism comprises a rotating disk, a hollow rotating platform and a rotating joint; one side of the rotating disc is connected with the positioning tool main body through at least two upright posts, the other side of the rotating disc is connected with a hollow rotating platform, and the hollow rotating platform is connected with a rotating joint through a support; and the cooling liquid inlet pipe and the cooling liquid outlet pipe sequentially penetrate through the rotating fixed tables on the rotating disc and the hollow rotating platform and are connected with the rotating joint.
Preferably, the rotating disc is provided with a through hole A and a through hole B for the cooling liquid inlet pipe and the cooling liquid outlet pipe to pass through respectively.
Preferably, the rotating disc is provided with a through hole C for the air conveying pipe to pass through, and the air conveying pipe sequentially passes through the rotating disc and the rotating fixing table on the hollow rotating platform and is connected with the rotating joint.
Preferably, the cooling liquid inlet pipe is connected with a water cooler.
The positioning tool for the porous liquid distributor provided by the embodiment of the invention has the following beneficial effects: according to the invention, the purpose of cooling the positioning tool in real time is realized by arranging the cooling assembly and matching with circulating cooling liquid, so that the positioning tool made of common metal materials is prevented from melting; through setting up rotary mechanism, in welding process, realize the work piece autogiration, make the work piece can be heated more evenly, the welding uniformity is better, avoids damaging the work piece because of the high temperature of one side.
Drawings
FIG. 1 is a front view of a positioning fixture for a multi-hole dispenser according to the present invention;
FIG. 2 is a schematic view of an angle of the positioning fixture for the multi-hole liquid distributor according to the present invention;
FIG. 3 is a schematic view of another angle of the positioning fixture for the multi-hole liquid distributor according to the present invention;
FIG. 4 is a top perspective view of the positioning tool body according to the present invention;
FIG. 5 is a perspective view of the positioning tool body in the bottom view direction;
FIG. 6 is a partial perspective view of the positioning tool body of the present invention;
FIG. 7 is a schematic structural view of a rotary mechanism according to the present invention;
FIG. 8 is a schematic structural view of a hollow rotary platform according to the present invention;
FIG. 9 is a schematic view of a rotary disk structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1, referring to fig. 1 to 6, fig. 1 is a front view of a positioning tool for a porous dispenser according to the present invention; FIG. 2 is a schematic view of an angle of the positioning fixture for the multi-hole liquid distributor according to the present invention; FIG. 3 is a schematic view of another angle of the positioning fixture for the multi-hole liquid distributor according to the present invention; FIG. 4 is a top perspective view of the positioning tool body according to the present invention; FIG. 5 is a perspective view of the positioning tool body in the bottom view direction; fig. 6 is a partial perspective view of the positioning tool body according to the present invention.
The utility model provides a porous knockout location frock, includes location frock main part 100, location frock main part 100 includes:
the fixture comprises a fixture base 110, wherein a positioning hole A110a for positioning a porous liquid distributor is formed in the fixture base 110; during welding operation, a porous liquid distributor is inserted into the positioning hole A110a, and the porous liquid distributor is fixedly positioned;
the cooling assembly 120 is arranged on the tool base 110, a positioning hole B120a coaxial with the positioning hole A110a is formed in the cooling assembly 120, and the porous liquid distributor is sequentially inserted into the positioning hole A110a and the positioning hole B120 a; an annular cooling channel 121 is arranged in the cooling assembly 120, a partition plate 122 is fixedly connected in the annular cooling channel 121, the annular cooling channel 121 is blocked by the partition plate 122, and a cooling liquid inlet 123 and a cooling liquid outlet 124 are respectively arranged on two sides of the partition plate 122;
a cooling liquid inlet pipe 610, wherein a liquid outlet of the cooling liquid inlet pipe 610 is connected with the cooling liquid inlet 123, and cooling liquid flows through the cooling liquid inlet pipe 610; preferably, the cooling liquid is cooling water, and meanwhile, the cooling liquid inlet pipe 610 is connected with a water cooler.
And a liquid inlet of the cooling liquid outlet pipe 620 is connected with the cooling liquid outlet 124.
The use method of the positioning tool of the porous liquid separator comprises the following steps: during the welding, coolant liquid feed pipe 610 lets in the cooling water, and the cooling water gets into from coolant liquid feed pipe 610 of location frock main part 100 lower part, at annular cooling channel 121 inner loop round, flows from coolant liquid drain pipe 620 under the blockking of baffle 122 to the realization is to the purpose of the real-time cooling of location frock, prevents that the location frock of ordinary metal material from melting.
Preferably, the tool further comprises an air conveying pipe 630, an air conveying port 631 of the air conveying pipe 630 is located below the positioning hole A110a, welding shielding gas is introduced into the air conveying pipe 630, and a shielding gas atmosphere is established near the positioning tool main body 100.
It should be noted that the purpose of using the welding shielding gas is to improve the quality of the welding seam, reduce the width of the heating action band of the welding seam, and avoid the oxidation of the material; the welding shielding gas may be one or more of argon, carbon dioxide, helium, and nitrogen.
Embodiment 2, referring to fig. 7 to 9, fig. 7 is a schematic structural view of a rotating mechanism according to the present invention; FIG. 8 is a schematic structural view of a hollow rotary platform according to the present invention; FIG. 9 is a schematic view of a rotary disk structure according to the present invention.
The positioning tool for the porous liquid distributor further comprises a rotating mechanism, wherein the rotating mechanism comprises a rotating disc 300, a hollow rotating platform 200 and a rotating joint 400; one side of the rotating disc 300 is connected to the positioning tool main body 100 through at least two upright columns 500 (in this embodiment 2, the number of the upright columns 500 is 3), the other side of the rotating disc is connected to the hollow rotating platform 200 through screws, and the hollow rotating platform 200 is connected to the rotating joint 400 through a bracket 410; the cooling liquid inlet pipe 610 and the cooling liquid outlet pipe 620 sequentially penetrate through the rotating disc 300 and the rotating fixed table 210 on the hollow rotating platform 200 and are connected with the rotating joint 400.
The hollow rotary platform is a platform used in various rotary motion occasions, and is driven by a motor to realize automatic angle adjustment; the rotary joint is a pipeline connecting device, and the connected pipelines can rotate relatively and can be used for conveying various media such as gas, liquid, oil and the like.
In the welding process, the positioning tool main body 100 realizes automatic rotation of the workpiece (the workpiece is a welded part of an air conditioning cold pipe and a porous liquid distributor) through the hollow rotary platform 200, so that the workpiece can be heated more uniformly, the local position of the workpiece is avoided, the heating temperature is too high or too low in the welding process, the welding consistency is better, and the workpiece is prevented from being damaged due to the too high temperature of one side.
It should be noted that, by arranging the rotary joint 400, the cooling liquid inlet pipe 610, the cooling liquid outlet pipe 620 and the gas pipe 630 are not knotted in the rotating process of the rotating mechanism, so that the cooling water and the lower layer shielding gas can pass through in real time, and the problem that the blowing and the circulation of the cooling water cannot be realized due to the rotation is avoided.
Preferably, the rotating disc 300 is provided with a through hole a310 and a through hole B320 for passing the cooling liquid inlet pipe 610 and the cooling liquid outlet pipe 620.
Preferably, the rotating disc 300 is provided with a through hole C330 for the air pipe 630 to pass through, and the air pipe 630 passes through the rotating disc 300 and the rotating fixing table 210 on the hollow rotating platform 200 in sequence and is connected with the rotary joint 400.
Preferably, the periphery of the upper portion of the positioning tool main body 100 can be provided with a cooling water spray head and a cooling air spray nozzle, and the cooling water spray head and the cooling air spray nozzle can spray cooling water and cooling air to the positioning tool main body 100 in real time to further cool the workpiece.
The positioning tool for the porous liquid distributor provided by the embodiment of the invention has the following beneficial effects: according to the invention, the purpose of cooling the positioning tool in real time is realized by arranging the cooling assembly and matching with circulating cooling liquid, so that the positioning tool made of common metal materials is prevented from melting; through setting up rotary mechanism, in welding process, realize the work piece autogiration, make the work piece can be heated more evenly, the welding uniformity is better, avoids damaging the work piece because of the high temperature of one side.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
It should be understood that the technical solutions and concepts of the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides a porous knockout location frock, includes location frock main part (100), its characterized in that, location frock main part (100) includes:
the tool base (110), the tool base (110) is provided with a positioning hole A (110a) for positioning the porous liquid distributor;
the cooling assembly (120), the said cooling assembly (120) is set up on the base of the frock (110), there are locating holes B (120a) coaxial with locating hole A (110a) on it; an annular cooling channel (121) is arranged in the cooling assembly (120), the annular cooling channel (121) is blocked by a partition plate (122), and a cooling liquid inlet (123) and a cooling liquid outlet (124) are respectively arranged on two sides of the partition plate (122);
a cooling liquid inlet pipe (610), wherein the liquid outlet of the cooling liquid inlet pipe (610) is connected with a cooling liquid inlet (123);
a liquid inlet of the cooling liquid outlet pipe (620) is connected with the cooling liquid outlet (124).
2. The positioning tool for the multi-hole liquid distributor according to claim 1, further comprising an air pipe (630), wherein the air delivery port (631) of the air pipe (630) is located below the positioning hole A (110 a).
3. The multi-hole liquid distributor positioning tool according to claim 1 or 2, further comprising a rotating mechanism, wherein the rotating mechanism comprises a rotating disc (300), a hollow rotating platform (200) and a rotating joint (400); one side of the rotating disc (300) is connected with the positioning tool main body (100) through at least two upright posts (500), the other side of the rotating disc is connected with the hollow rotating platform (200), and the hollow rotating platform (200) is connected with a rotating joint (400) through a support (410); and the cooling liquid inlet pipe (610) and the cooling liquid outlet pipe (620) sequentially penetrate through the rotating disc (300) and the rotating fixed table (210) on the hollow rotating platform (200) and are connected with the rotating joint (400).
4. The multi-hole liquid distributor positioning tool according to claim 3, wherein the rotating disc (300) is provided with a through hole A (310) and a through hole B (320) for passing a cooling liquid inlet pipe (610) and a cooling liquid outlet pipe (620), respectively.
5. The multi-hole liquid distributor positioning tool according to claim 3, wherein the rotating disc (300) is provided with a through hole C (330) for the air pipe (630) to pass through, and the air pipe (630) passes through the rotating disc (300) and the rotating fixed table (210) on the hollow rotating platform (200) in sequence and is connected with the rotary joint (400).
6. The multi-hole liquid distributor positioning tool set forth in claim 1, wherein the cooling liquid inlet pipe (610) is connected with a water cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720885.8A CN111843086B (en) | 2020-07-24 | 2020-07-24 | Porous knockout location frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720885.8A CN111843086B (en) | 2020-07-24 | 2020-07-24 | Porous knockout location frock |
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| Publication Number | Publication Date |
|---|---|
| CN111843086A true CN111843086A (en) | 2020-10-30 |
| CN111843086B CN111843086B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010720885.8A Active CN111843086B (en) | 2020-07-24 | 2020-07-24 | Porous knockout location frock |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050268642A1 (en) * | 2004-06-04 | 2005-12-08 | Paul Appler | Composition and methods for injection of sealants into air conditioning and refrigeration systems |
| CN203621799U (en) * | 2013-11-27 | 2014-06-04 | 浙江大川空分设备有限公司 | Immersion type steel-aluminum transition joint work fixture |
| CN203830870U (en) * | 2014-03-28 | 2014-09-17 | 珠海格力电器股份有限公司 | Induction soldering equipment |
| CN104084706A (en) * | 2014-06-27 | 2014-10-08 | 江苏天舒电器有限公司 | Welding method for brass liquid distributor used for finned heat exchanger |
| CN203936515U (en) * | 2014-06-27 | 2014-11-12 | 江苏天舒电器有限公司 | Brass knockout welding clamping device in a kind of finned heat exchanger |
| CN204075537U (en) * | 2014-08-06 | 2015-01-07 | 沧州惠邦机电产品制造有限责任公司 | Welding cooling frock |
| CN104289805A (en) * | 2014-08-21 | 2015-01-21 | 江苏天舒电器有限公司 | Welding method of brass liquid dividing head component |
| CN109502249A (en) * | 2018-12-07 | 2019-03-22 | 东莞市东鸿自动化科技有限公司 | A kind of connecting mechanism for rotating and move material device |
| CN210209238U (en) * | 2019-07-31 | 2020-03-31 | 郑州众汇和制冷配件有限公司 | Welding tool for liquid distributor |
| CN111112610A (en) * | 2019-12-21 | 2020-05-08 | 佛山宇仁智能科技有限公司 | Material increase swivel work head with circulative cooling function |
| CN210615596U (en) * | 2019-06-28 | 2020-05-26 | 长沙格力暖通制冷设备有限公司 | Welding tool |
| CN111215295A (en) * | 2018-11-27 | 2020-06-02 | 沈阳芯源微电子设备股份有限公司 | Heating rotary platform device and using method thereof |
-
2020
- 2020-07-24 CN CN202010720885.8A patent/CN111843086B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050268642A1 (en) * | 2004-06-04 | 2005-12-08 | Paul Appler | Composition and methods for injection of sealants into air conditioning and refrigeration systems |
| CN203621799U (en) * | 2013-11-27 | 2014-06-04 | 浙江大川空分设备有限公司 | Immersion type steel-aluminum transition joint work fixture |
| CN203830870U (en) * | 2014-03-28 | 2014-09-17 | 珠海格力电器股份有限公司 | Induction soldering equipment |
| CN104084706A (en) * | 2014-06-27 | 2014-10-08 | 江苏天舒电器有限公司 | Welding method for brass liquid distributor used for finned heat exchanger |
| CN203936515U (en) * | 2014-06-27 | 2014-11-12 | 江苏天舒电器有限公司 | Brass knockout welding clamping device in a kind of finned heat exchanger |
| CN204075537U (en) * | 2014-08-06 | 2015-01-07 | 沧州惠邦机电产品制造有限责任公司 | Welding cooling frock |
| CN104289805A (en) * | 2014-08-21 | 2015-01-21 | 江苏天舒电器有限公司 | Welding method of brass liquid dividing head component |
| CN111215295A (en) * | 2018-11-27 | 2020-06-02 | 沈阳芯源微电子设备股份有限公司 | Heating rotary platform device and using method thereof |
| CN109502249A (en) * | 2018-12-07 | 2019-03-22 | 东莞市东鸿自动化科技有限公司 | A kind of connecting mechanism for rotating and move material device |
| CN210615596U (en) * | 2019-06-28 | 2020-05-26 | 长沙格力暖通制冷设备有限公司 | Welding tool |
| CN210209238U (en) * | 2019-07-31 | 2020-03-31 | 郑州众汇和制冷配件有限公司 | Welding tool for liquid distributor |
| CN111112610A (en) * | 2019-12-21 | 2020-05-08 | 佛山宇仁智能科技有限公司 | Material increase swivel work head with circulative cooling function |
Non-Patent Citations (1)
| Title |
|---|
| 成大先 主编: "《机械设计手册 第4卷》", 30 June 1969, 化学工业出版社 * |
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| CN111843086B (en) | 2022-08-12 |
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Effective date of registration: 20220824 Address after: 266000 No.28 Binhe North Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee after: Qingdao Tongri Intelligent Technology Co.,Ltd. Patentee after: QINGDAO TUNGRAY ELECTRIC MACHINES Co.,Ltd. Address before: 266000 No.28 Binhe North Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province Patentee before: Qingdao Tongri Intelligent Technology Co.,Ltd. |
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