CN211192385U - Welding tool for core body assembly of heat exchanger - Google Patents
Welding tool for core body assembly of heat exchanger Download PDFInfo
- Publication number
- CN211192385U CN211192385U CN201921986448.XU CN201921986448U CN211192385U CN 211192385 U CN211192385 U CN 211192385U CN 201921986448 U CN201921986448 U CN 201921986448U CN 211192385 U CN211192385 U CN 211192385U
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- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- positioning
- distributor
- positioning die
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 50
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 238000005219 brazing Methods 0.000 claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model discloses a heat exchanger core subassembly welding frock, including distributor positioning die, the heat exchange tube positioning die subassembly of being connected with distributor positioning die, there is heat exchange tube location plug on the heat exchange tube positioning die, heat exchange tube one end and distributor positioning die fixed mounting, the heat exchange tube location plug that corresponds on the other end and the heat exchange tube positioning die is fixed, install the heat exchange tube positioning die subassembly and install the copper return bend on the distributor positioning die earlier during installation with the liquid separation head, the heat exchange tube location plug that every copper return bend installation corresponds, implement brazing with each copper return bend and liquid separation head, pull down heat exchange tube positioning die subassembly and whole location plug again, the remaining part is inserted the inside implementation of the heat exchange tube of the good heat exchange tube group of preparation along the copper pipe and is brazed, pull down distributor positioning die and installation shrouding at last. In this way, the utility model discloses can ensure that knockout and collector welding back insert with the core heat exchange tube is perfect, ensure that knockout and collector and shrouding install smoothly and seal.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a heat exchanger core subassembly welding frock.
Background
The heat exchanger is a device for transferring heat between hot fluid and cold fluid, is a general device in industrial departments of petrochemical industry, power, environmental protection, refrigeration and the like, and is an important part in a refrigeration system.
In the installation process of the heat exchanger, when the liquid separator assembly and the gas collector assembly are welded and then inserted into and welded with the core heat exchange tube, the situation that part of copper tubes cannot be inserted occurs;
even through the correction processing, the problem that the sealing surfaces of a liquid distributor and a gas collector are not on the same horizontal plane can also occur after the copper pipe is inserted and welded, so that the sealing plate cannot be installed or cannot be sealed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a main technical problem who solves provides a heat exchanger core subassembly welding frock, can ensure that knockout subassembly and gas collector subassembly welding back insert with the core heat exchange tube is perfect, guarantee that heat transfer copper pipe and knockout and gas collector's sealed face is on same horizontal plane, ensure knockout and gas collector and the shrouding install smoothly and seal.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a heat exchanger core subassembly welding frock, includes:
the distributor positioning die is used for limiting and fixing the gas-liquid distributor connected with the heat exchange tube;
the heat exchange tube positioning die assembly is connected with the distributor positioning die and comprises a heat exchange tube positioning die and a positioning connecting rod fixedly welded with the heat exchange tube positioning die, and a heat exchange tube positioning core rod is arranged on the heat exchange tube positioning die;
one end of the heat exchange tube is fixedly installed with the gas-liquid distributor on the distributor positioning die, and the other end of the heat exchange tube is fixedly installed with the corresponding heat exchange tube positioning core rod on the heat exchange tube positioning die.
In a preferred embodiment of the present invention, the gas-liquid distributor comprises a liquid distributor assembly and a gas collector assembly, the liquid distributor assembly comprises a liquid inlet pipe for the refrigerant and a heat exchange pipe communicated with the liquid inlet pipe, the gas collector assembly comprises a gas collecting pipe and a heat exchange pipe communicated with the gas collecting pipe, and the liquid distributor assembly and the gas collector assembly can be matched and connected with the core assembly inside the heat exchanger.
In a preferred embodiment of the present invention, the distributor positioning module comprises a distributor positioning plate, one side of the distributor positioning plate has a first interface for mounting the distributor assembly, and the other side of the distributor positioning plate has a second interface for mounting the gas collector assembly.
In a preferred embodiment of the present invention, the liquid inlet pipe of the refrigerant is installed on the first connector of the distributor positioning plate by brazing and is locked by bolts, and the gas collecting pipe is installed on the second connector of the distributor positioning plate by brazing and is locked by bolts.
In a preferred embodiment of the present invention, the heat exchange tube positioning mold has a shape and a size matching with the distributor positioning plate, and the heat exchange tube positioning mold has mounting holes for inserting the heat exchange tube positioning core rods uniformly on both sides.
In a preferred embodiment of the present invention, the heat exchange tube positioning mandrel comprises a mandrel main body, one end of the mandrel main body is provided with a positioning column which can be axially inserted into the heat exchange tube after passing through the mounting hole, and the end part of the positioning column is arranged in a conical shape;
the other end of the mandrel main body is provided with a limiting plate which can be abutted against the surface of the heat exchange tube positioning die, and the limiting plate is provided with a cylindrical or flat abutting part.
In a preferred embodiment of the present invention, the heat exchange tube positioning mold further has at least three first fixing portions protruding toward the edge, the first fixing portions have first fixing holes for positioning the positioning connecting rods, the distributor positioning plate has at least three second fixing portions protruding toward the edge, and the second fixing portions have second fixing holes for positioning the positioning connecting rods.
In a preferred embodiment of the present invention, the positioning connecting rod has a welding portion and an insertion portion, the welding portion of the positioning connecting rod is welded to the first fixing hole, and the insertion portion of the positioning connecting rod is detachably connected to the second fixing hole of the distributor positioning plate.
In a preferred embodiment of the present invention, the heat exchange tube is a heat exchange copper elbow.
The utility model has the advantages that: the utility model discloses heat exchanger core subassembly welding frock can ensure that knockout subassembly and gas collector subassembly welding back insert with the core heat exchange tube is perfect, guarantees that heat transfer copper pipe and knockout and gas collector's sealed face on same horizontal plane, ensures that knockout and gas collector and shrouding install smoothly and seal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a front view structural schematic diagram of a preferred embodiment of a welding tool for a core assembly of a heat exchanger according to the present invention;
fig. 2 is a schematic structural view of a preferred embodiment of the welding tool for a core assembly of a heat exchanger according to the present invention;
fig. 3 is a rear view structural diagram of a preferred embodiment of the welding tool for the core body assembly of the heat exchanger of the present invention;
fig. 4 is a schematic structural view of a distributor positioning plate in the welding tool for the core body assembly of the heat exchanger according to a preferred embodiment of the present invention;
fig. 5 is a schematic structural view of a preferred embodiment of a positioning die for a heat exchange tube in a welding tool for a core assembly of a heat exchanger according to the present invention;
fig. 6 is a schematic structural view of a preferred embodiment of a positioning connecting rod in the welding tool for the core body assembly of the heat exchanger of the present invention;
fig. 7 is a schematic structural view of a preferred embodiment of a positioning core rod of a heat exchange tube in the welding tool for the core body assembly of the heat exchanger of the present invention;
fig. 8 is a schematic structural view of another preferred embodiment of a positioning core rod of a heat exchange tube in the welding tool for the core body assembly of the heat exchanger of the present invention;
fig. 9 is a schematic structural view of a preferred embodiment of the welding tool for the heat exchanger core assembly of the present invention, after the heat exchange tube positioning die assembly is removed, the welding tool is assembled with the core assembly;
fig. 10 is a schematic structural view of a preferred embodiment of the welding tool for the core assembly of the heat exchanger of the present invention, after the positioning die assembly of the heat exchange tube is removed, the welding tool is welded and fixed with the core assembly;
fig. 11 is a schematic structural view of a preferred embodiment of the welding tool for the core body assembly of the heat exchanger of the present invention, after the distributor positioning plate is removed, the sealing plate is installed;
the parts in the drawings are numbered as follows: 100. a heat exchange tube positioning die assembly 110, a heat exchange tube positioning die 120, a positioning connecting rod 121, a welding part 122, an inserting part 130, a heat exchange tube positioning core rod 131, a core rod main body 132, a positioning column 133, a limiting plate 134 and an abutting part,
140. a first fixing portion 150, a first fixing hole 160, a mounting hole,
200. a distributor positioning die 210, a distributor positioning plate 220, a second fixing part 230, a second fixing hole 240, a first interface 250, a second interface,
300. a heat exchange pipe is arranged on the upper surface of the heat exchange pipe,
400. a gas-liquid distributor, 410, a distributor component, 411, a liquid inlet pipe, 420, a gas collector component, 421 and a gas collector,
500. core subassembly, 600, shrouding.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 11, an embodiment of the present invention includes:
example one
The utility model provides a heat exchanger core subassembly welding frock for ensure that knockout and collector can be pegged graft with core heat exchange tube is perfect, including distributor positioning die 200, heat exchange tube positioning die 110, location connecting rod 120 and heat exchange tube location plug 130, distributor positioning die 200 is used for spacing fixedly to the gas-liquid distributor 400 who connects heat exchange tube 300, heat exchange tube positioning die 110 forms heat exchange tube positioning die subassembly 100 with location connecting rod 120 welding back, heat exchange tube positioning die subassembly 100 links together with distributor positioning die 200, wherein still install heat exchange tube location plug 130 on heat exchange tube positioning die 110.
The distributor positioning die 200 includes a distributor positioning plate 210, and the shape and size of the distributor positioning plate 210 match with the shape and size of the heat exchange tube positioning die 110.
The heat exchange tube positioning die 110 has at least three first fixing portions 140 protruding toward the edge, the first fixing portions 140 have first fixing holes 150 for positioning the positioning connecting rods 120, the distributor positioning plate 210 has at least three second fixing portions 220 protruding toward the edge and matched with the first fixing portions 140, the second fixing portions 220 have second fixing holes 230 for positioning the connecting rods 120, and the second fixing holes 230 are matched with the first fixing holes 150 in position.
The positioning connecting rod 120 has a welding portion 121 and an inserting portion 122, the welding portion 121 of the positioning connecting rod 120 is welded and fixed to the first fixing hole 150 of the heat exchange tube positioning die 110, and the inserting portion 122 of the positioning connecting rod 120 is detachably connected to the second fixing hole 230 of the distributor positioning plate 210.
One end of the positioning connecting rod 120 is welded to the heat exchange tube positioning die 110 to form the heat exchange tube positioning die assembly 100, and then the other end of the positioning connecting rod 120 is fixed to the distributor positioning die 100.
Further, the gas-liquid distributor 400 includes a liquid distributor assembly 410 and a gas collector assembly 420, the liquid distributor assembly 410 includes a liquid inlet pipe 411 for refrigerant and a heat exchange pipe 300 communicated with the liquid inlet pipe 411, and the gas collector assembly 420 includes a gas collecting pipe 421 and a heat exchange pipe 300 communicated with the gas collecting pipe 421. Wherein the heat exchange tube 300 may be a heat exchange copper elbow.
The distributor locator plate 210 has a first interface 240 on one side for mounting the dispenser assembly 410, a second interface 250 on the other side for mounting the gas collector assembly 420,
the liquid inlet pipe 411 of the refrigerant is installed on the first interface 240 of the distributor positioning plate 210 by means of brazing and is locked by means of bolts, and the gas collecting pipe 421 is installed on the second interface 250 of the distributor positioning plate 210 by means of brazing and is locked by means of bolts.
One end of the heat exchange tube 300 is fixedly installed with the gas-liquid distributor 400 on the distributor positioning die 200, and the other end of the heat exchange tube 300 is fixedly installed with the corresponding heat exchange tube positioning core rod 130 on the heat exchange tube positioning die 110.
The copper elbow connected to the distributor and the copper elbow connected to the gas collecting pipe have different inside diameters, and the abutting portion 134 has different shapes according to the inside diameters of the respective copper elbows.
The gas-liquid mixed refrigerant enters the internal heat exchange tube core assembly from the liquid inlet tube 411 of the liquid distributor assembly 410 on the distributor positioning plate 210, wherein the liquid refrigerant absorbs heat and evaporates, and the evaporated gas flows out from the gas collecting tube 421 of the gas collector assembly 420.
The welding tool for the core body assembly of the heat exchanger can ensure that the welded liquid distributor assembly 410 and the welded gas collector assembly 420 are perfectly inserted into the core body assembly 500 in the heat exchanger, the heat exchange copper pipe and the sealing surfaces of the liquid distributor and the gas collector are on the same horizontal plane, and meanwhile, the liquid distributor assembly and the gas collector assembly can be smoothly installed and sealed with the sealing plate.
Example two
A welding method of a heat exchanger core assembly comprises the following steps:
s1, mounting the gas-liquid distributor 400 on the distributor positioning die 200:
the liquid inlet pipe 411 passes through the first connector 240 on the distributor positioning plate 210 and is locked by a bolt to realize the installation of the liquid distributor assembly 410, and the gas collecting pipe 421 passes through the second connector 250 on the distributor positioning plate 210 and is locked by a bolt to realize the installation of the gas collector assembly 420;
s2, installing a heat exchange tube positioning die assembly 100:
one end of the positioning connecting rod 120 is installed in a first fixing hole 150 on the heat exchange tube positioning die 110 and welded together to form a heat exchange tube positioning die assembly 100, and the other end of the positioning connecting rod 120 is installed in a second fixing hole 230 on the distributor positioning die 200, so that the heat exchange tube positioning die assembly 100 and the distributor positioning die 200 are assembled;
s3, installation of the heat exchange tube 300:
installing each heat exchange tube 300, wherein one end of each heat exchange tube 300 is respectively installed in a liquid inlet tube 411 and a gas collecting tube 421 on the distributor positioning die 200, meanwhile, the other end of each heat exchange tube 300 is provided with a corresponding heat exchange tube positioning core rod 130, a positioning column 131 of the heat exchange tube positioning core rod 130 penetrates through a mounting hole 160 on the heat exchange tube positioning die 110 and then is axially inserted into the heat exchange tube 300, and a limiting plate 133 of the heat exchange tube positioning core rod 130 abuts against the surface of the heat exchange tube positioning die 110;
s4, brazing and fixing the heat exchange tubes 300 and the liquid inlet tube 411 and the gas collecting tube 421 on the gas-liquid distributor 400, wherein the brazing can ensure the welding compactness between the heat exchange tubes 300 and the liquid inlet tube 411 and the gas collecting tube 421, ensure the high strength of joints and ensure the sealing performance of the heat exchange tubes;
s5, removing one end of the positioning connecting rod 120 connected with the distributor positioning plate 210, removing the heat exchange tube positioning die assembly 100, and removing all heat exchange tube positioning core rods 130;
s6, inserting the rest part into the manufactured heat exchange tube core assembly 500 along the direction of the heat exchange tube 300, and then brazing and fixing the heat exchange tube core assembly and the heat exchange tube core assembly;
s7, loosening the bolt locked on the distributor positioning die 200, and removing the distributor positioning plate 210;
s8, finally, the cover plate 600 is mounted on the accumulator assembly 410 and the collector assembly 420 for sealing.
The utility model discloses heat exchanger core subassembly welding frock's beneficial effect is:
the welded liquid distributor assembly and the welded gas collector assembly can be perfectly inserted into the core heat exchange tube, the heat exchange copper tube and the sealing surface of the liquid distributor and the sealing surface of the gas collector are on the same horizontal plane, and the liquid distributor and the gas collector are smoothly installed and sealed with the sealing plate.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a heat exchanger core subassembly welding frock which characterized in that includes:
the distributor positioning die is used for limiting and fixing the gas-liquid distributor connected with the heat exchange tube;
the heat exchange tube positioning die assembly is connected with the distributor positioning die and comprises a heat exchange tube positioning die and a positioning connecting rod fixedly welded with the heat exchange tube positioning die, and a heat exchange tube positioning core rod is arranged on the heat exchange tube positioning die;
one end of the heat exchange tube is fixedly installed with the gas-liquid distributor on the distributor positioning die, and the other end of the heat exchange tube is fixedly installed with the corresponding heat exchange tube positioning core rod on the heat exchange tube positioning die.
2. The heat exchanger core assembly welding tooling of claim 1, wherein the gas-liquid distributor comprises a liquid distributor assembly and a gas collector assembly, the liquid distributor assembly comprises a liquid inlet pipe for refrigerant and a heat exchange pipe communicated with the liquid inlet pipe, the gas collector assembly comprises a gas collecting pipe and a heat exchange pipe communicated with the gas collecting pipe, and the liquid distributor assembly and the gas collector assembly can be matched and connected with the core assembly inside the heat exchanger.
3. The heat exchanger core assembly welding tooling of claim 2, wherein the distributor positioning die comprises a distributor positioning plate, one side of the distributor positioning plate is provided with a first connector for mounting the liquid distributor assembly, and the other side of the distributor positioning plate is provided with a second connector for mounting the gas collector assembly.
4. The heat exchanger core assembly welding tool of claim 3, wherein the liquid inlet pipe of the refrigerant is mounted on the first connector on the distributor positioning plate by means of brazing and locked by bolts, and the gas collecting pipe is mounted on the second connector on the distributor positioning plate by means of brazing and locked by bolts.
5. The welding tool for the core assembly of the heat exchanger as claimed in claim 3, wherein the heat exchange tube positioning die is matched with the distributor positioning plate in shape and size, and mounting holes for inserting the heat exchange tube positioning core rods are uniformly distributed on two sides of the heat exchange tube positioning die.
6. The welding tool for the heat exchanger core assembly according to claim 5, wherein the heat exchange tube positioning core rod comprises a core rod main body, one end of the core rod main body is provided with a positioning column which penetrates through the mounting hole and can be axially inserted into the heat exchange tube, and the end part of the positioning column is arranged in a conical shape;
the other end of the mandrel main body is provided with a limiting plate which can be abutted against the surface of the heat exchange tube positioning die, and the limiting plate is provided with a cylindrical or flat abutting part.
7. The heat exchanger core assembly welding tool of claim 5, wherein the heat exchange tube positioning die further comprises at least three first fixing portions protruding towards the edge, the first fixing portions are provided with first fixing holes for positioning the positioning connecting rods, the distributor positioning plate is provided with at least three second fixing portions protruding towards the edge, and the second fixing portions are provided with second fixing holes for positioning the positioning connecting rods.
8. The heat exchanger core assembly welding tool of claim 7, wherein the positioning connecting rod is provided with a welding part and an insertion part, the welding part of the positioning connecting rod is welded and fixed with the first fixing hole, and the insertion part of the positioning connecting rod is detachably connected with the second fixing hole on the distributor positioning plate.
9. The heat exchanger core assembly welding tool of claim 1, wherein the heat exchange tube is a heat exchange copper elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986448.XU CN211192385U (en) | 2019-11-18 | 2019-11-18 | Welding tool for core body assembly of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921986448.XU CN211192385U (en) | 2019-11-18 | 2019-11-18 | Welding tool for core body assembly of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192385U true CN211192385U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921986448.XU Active CN211192385U (en) | 2019-11-18 | 2019-11-18 | Welding tool for core body assembly of heat exchanger |
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| Country | Link |
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| CN (1) | CN211192385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788431A (en) * | 2019-11-18 | 2020-02-14 | 无锡市同力空调设备有限公司 | Welding tool and welding method for core body assembly of heat exchanger |
-
2019
- 2019-11-18 CN CN201921986448.XU patent/CN211192385U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788431A (en) * | 2019-11-18 | 2020-02-14 | 无锡市同力空调设备有限公司 | Welding tool and welding method for core body assembly of heat exchanger |
| CN110788431B (en) * | 2019-11-18 | 2024-03-29 | 江苏同力空调设备有限公司 | Welding tool and welding method for heat exchanger core assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 214000 Yuqi Street Yurong village, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Tongli Air Conditioning Equipment Co.,Ltd. Address before: 214183 Yuqi Street Yurong village, Huishan District, Wuxi City, Jiangsu Province Patentee before: WUXI TONGLI AIR-CONDITIONING EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |