CN112439847A - Edge folding device and edge folding method for finned tube - Google Patents
Edge folding device and edge folding method for finned tube Download PDFInfo
- Publication number
- CN112439847A CN112439847A CN202011302813.8A CN202011302813A CN112439847A CN 112439847 A CN112439847 A CN 112439847A CN 202011302813 A CN202011302813 A CN 202011302813A CN 112439847 A CN112439847 A CN 112439847A
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- Prior art keywords
- finned tube
- mounting plate
- hemming
- roller
- mounting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a fin tube flanging device which comprises a rack, a flanging mechanism, a moving mechanism and a clamping mechanism, wherein a bedplate is horizontally and fixedly arranged on the rack, the clamping mechanism is arranged on a clamping mechanism mounting plate, the moving mechanism comprises a first guide rail sliding block mechanism, a U-shaped frame and a U-shaped frame mounting plate, the first guide rail sliding block mechanism is fixedly arranged on the bedplate along the X-axis direction, and the flanging mechanism comprises an upper flanging mechanism and a lower flanging mechanism. The invention solves the problem of edge folding processing of the finned tube in the manufacturing process of the heat exchanger by arranging the frame, the edge folding mechanism, the moving mechanism and the clamping mechanism, reduces the space between light pipes of the finned tube through edge folding processing, can more fully contact and wash flue gas flow and the light pipes of the finned tube, enhances heat exchange, improves turbulent flow strength, increases convective heat transfer coefficient, thereby effectively achieving the purpose of enhancing heat transfer and further reducing the volume of the heat exchanger.
Description
Technical Field
The invention relates to the technical field of automatic flanging equipment, in particular to a fin tube flanging equipment and a flanging method thereof.
Background
The finned tube is a heat exchange element, in order to improve the heat exchange efficiency, the surface of the heat exchange tube is usually finned to increase the external surface area (or the internal surface area) of the heat exchange tube, thereby achieving the purpose of improving the heat exchange efficiency, the finned tube is used as the heat exchange element of the heat exchanger, the heat exchange of the smoke side is enhanced, the volume of the whole heat exchanger can be reduced, but the height of the finned tube fin is influenced by welding processing, the finned tube is difficult to process into a small size, the volume of the heat exchanger cannot be further reduced, the space between light tubes of the finned tube is reduced by adopting the flanging processing of the finned tube, the smoke flow and the light tubes of the finned tube are more fully contacted and washed, the heat exchange is enhanced, the turbulence pulsation degree is improved, the convection heat exchange coefficient is increased, the purpose of.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a fin tube flanging device and a flanging method thereof, which are used for solving the problems in the background art.
The invention discloses: a finned tube flanging device comprises a frame, a flanging mechanism, a moving mechanism and a clamping mechanism, wherein a bedplate is horizontally and fixedly arranged on the frame, the moving mechanism is arranged on the bedplate, a clamping mechanism mounting plate is horizontally arranged above the bedplate, the clamping mechanism is arranged on the clamping mechanism mounting plate, the moving mechanism comprises a first guide rail slider mechanism, a U-shaped frame and a U-shaped frame mounting plate, the first guide rail slider mechanism is fixedly arranged on the bedplate along the X-axis direction, the U-shaped frame mounting plate is fixedly arranged on two sliders of the first guide rail slider mechanism, the U-shaped frame is fixedly connected on the U-shaped frame mounting plate, the flanging mechanism comprises an upper flanging mechanism and a lower flanging mechanism, the upper flanging mechanism is arranged in the middle of the upper end of the U-shaped frame, the lower flanging mechanism is arranged on the U-shaped frame mounting plate, and the central lines of the lower flanging mechanism and the upper flanging mechanism are coincided along the Z-axis direction, and the lower edge folding mechanism and the upper edge folding mechanism are both provided with two guide rollers and one forming roller, and the forming roller is positioned between the two guide rollers.
Preferably, a screw rod parallel to the first guide rail slider mechanism is arranged on the platen, bearing blocks are rotatably mounted at two ends of the screw rod, the two bearing blocks are fixedly mounted on the platen, a screw rod nut is screwed on the screw rod and fixedly connected to the U-shaped frame mounting plate, and a first servo motor is fixedly connected to one end of the screw rod.
Preferably, hem mechanism includes hem mechanism, guide roller, shaping gyro wheel, goes up the gyro wheel mounting bracket, gyro wheel mounting bracket down, goes up adjusting screw and adjusting screw down, go up gyro wheel mounting bracket, down each rotatable formula install two guide roller and a shaping gyro wheel on the gyro wheel mounting bracket, the gyro wheel mounting bracket down, and guide roller, shaping gyro wheel's axis is along Y axle direction, the last adjusting screw of upper end fixedly connected with along Z axle direction of going up the gyro wheel mounting bracket, the lower adjusting screw of tip fixedly connected with along Z axle direction of gyro wheel mounting bracket down, it connects on U type frame to go up the adjusting screw spiro union, adjusting screw spiro union is on U type frame mounting panel down.
Preferably, the middle part of the clamping mechanism mounting plate is provided with a avoiding through hole, and the lower edge folding mechanism is arranged in the avoiding through hole.
Preferably, the clamping mechanism is arranged to be of a symmetrical structure along the finned tube and comprises two symmetrically arranged second servo motors, a transmission screw, a finned tube clamping block, a clamping block mounting plate, a nut cushion block, a second guide rail sliding block mechanism and a fixing plate, the fixing plate is vertically and fixedly mounted on the clamping mechanism mounting plate, the second servo motors are also fixedly mounted on the clamping mechanism mounting plate, a power output shaft of each second servo motor penetrates through the clamping mechanism mounting plate, the transmission screw is coaxially and fixedly connected onto the power output shaft of each second servo motor, a nut block is screwed at the end part of the transmission screw, the nut blocks are fixedly mounted on the nut cushion block and the clamping block mounting plate, the nut cushion block is fixedly connected with the clamping block mounting plate in parallel, and the second guide rail sliding block mechanism is fixedly mounted on the clamping mechanism mounting plate along the Y-axis direction, the lower end part of the clamping block mounting plate is fixedly connected to a sliding block of the second guide rail sliding block mechanism, and the finned tube clamping block is fixedly mounted on the clamping block mounting plate along an X axis.
Preferably, the fixture mounting panel is still fixed mounting along the both ends of X axle direction has a finned tube mounting bracket, two respectively be provided with a finned tube installation pole along X axle direction on the finned tube mounting bracket, and the one end of one of them finned tube installation pole is provided with the screw thread, the spiro union is on the finned tube mounting bracket.
Preferably, the forming roller is provided with a plurality of shapes, preferably a straight edge folding forming roller, an oblique edge folding forming roller and a four-edge folding forming roller.
The invention also provides a method for bending the finned tube, which comprises the following specific steps:
step 1: installing corresponding forming rollers on an upper roller installation frame and a lower roller installation frame according to the required edge folding shape of the finned tube, and moving a U-shaped frame to one end, close to a non-threaded finned tube installation rod, of a guide roller and the forming rollers;
step 2: based on the step 1, mounting two ends of the finned tube on finned tube mounting rods, and rotating the threaded finned tube mounting rods to lock the finned tube;
and step 3: based on the step 1-2, starting a second servo motor, driving a transmission screw to rotate, pushing two symmetrical nut cushion blocks and a clamping block mounting plate to move oppositely along a guide rail of a second guide rail sliding block mechanism through nut block transmission, and clamping the finned tube;
and 4, step 4: based on the step 1-3, adjusting the upper adjusting screw and the lower adjusting screw, and adjusting the distance between rollers of the roller mounting rack and the lower roller mounting rack to the required fin bending degree;
and 5: based on the steps 1-4, the first servo motor drives the screw rod to rotate, the U-shaped frame mounting plate, the U-shaped frame and the edge folding mechanism are driven to move along the guide rail of the first guide rail slider mechanism through screw rod nut transmission, the guide roller guides the finned tube, and the forming roller bends the finned tube for processing.
The invention has the following beneficial effects: the invention solves the problem of edge folding processing of the finned tube in the manufacturing process of the heat exchanger by arranging the frame, the edge folding mechanism, the moving mechanism and the clamping mechanism, reduces the space between light pipes of the finned tube through edge folding processing, can more fully contact and wash flue gas flow and the light pipes of the finned tube, enhances heat exchange, improves turbulent flow strength, increases convective heat transfer coefficient, thereby effectively achieving the purpose of enhancing heat transfer and further reducing the volume of the heat exchanger.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 according to the drawings without creative efforts.
FIG. 1 is a three-dimensional schematic of the overall structure of the present invention;
FIG. 2 is a three-dimensional schematic diagram of the principal structure of the present invention;
FIG. 3 is a three-dimensional schematic view of the clamping mechanism of the present invention;
FIG. 4 is a schematic diagram of the working principle of the present invention;
FIG. 5 is a schematic view of a folding-edge forming roller according to the present invention;
FIG. 6 is a schematic view of the bevel edge folding forming roller of the present invention;
FIG. 7 is a schematic view of the folding quadrilateral forming roller of the present invention.
Reference numerals of the above figures: the device comprises a frame 10, a bedplate 11, a clamping mechanism mounting plate 12, avoiding through holes 13, a finned tube mounting frame 14, a finned tube mounting rod 15, a flanging mechanism 20, an upper flanging mechanism 21, a lower flanging mechanism 22, a guide roller 23, a forming roller 24, an upper roller mounting frame 25, a lower roller mounting frame 26, an upper adjusting screw 27, a lower adjusting screw 28, a moving mechanism 30, a first guide rail slider mechanism 31, a U-shaped frame 32, a U-shaped frame mounting plate 33, a lead screw 34, a bearing seat 35, a lead screw nut 36, a first servo motor 37, a clamping mechanism 40, a second servo motor 41, a transmission screw 42, a finned tube clamping block 43, a clamping block mounting plate 44, a nut cushion block 45, a second guide rail slider mechanism 46, a fixing plate 47, a nut block 48, a finned tube 50, a straight edge folding forming roller 241, a bevel edge folding forming roller 242 and a four-.
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.
Referring to fig. 1-4, a fin tube flanging device comprises a frame 10, a flanging mechanism 20, a moving mechanism 30 and a clamping mechanism 40, wherein a platen 11 is horizontally and fixedly mounted on the frame 10, the moving mechanism 30 is arranged on the platen 11, a clamping mechanism mounting plate 12 is horizontally arranged above the platen 11, the clamping mechanism 40 is arranged on the clamping mechanism mounting plate 12, the moving mechanism 30 comprises a first guide rail slider mechanism 31, a U-shaped frame 32 and a U-shaped frame mounting plate 33, the first guide rail slider mechanism 31 is fixedly mounted on the platen 11 along an X-axis direction, the U-shaped frame mounting plate 33 is fixedly mounted on two sliders of the first guide rail slider mechanism 31, the U-shaped frame 32 is fixedly connected to the U-shaped frame mounting plate 33, and the U-shaped frame 32 and the U-shaped frame mounting plate 33 move along a guide rail of the first guide rail slider mechanism 31, the flanging mechanism 20 comprises an upper flanging mechanism 21 and a lower flanging mechanism 22, the upper flanging mechanism 21 is arranged in the middle of the upper end of the U-shaped frame 32, the lower flanging mechanism 22 is arranged on the U-shaped frame mounting plate 33, the lower flanging mechanism 22 and the upper flanging mechanism 21 coincide along the central line of the Z-axis direction, two guide rollers 23 and one forming roller 24 are arranged on the lower flanging mechanism 22 and the upper flanging mechanism 21 respectively, the forming roller 24 is positioned between the two guide rollers 23, the finned tube 50 is arranged between the guide rollers 23 and the forming rollers 24 on the lower flanging mechanism 22 and the upper flanging mechanism 21, the moving mechanism 30 drives the flanging mechanism 20 to move along the X-axis direction, and the forming rollers 24 are used for flanging the finned tube 50.
Further, a screw rod 34 parallel to the first guide rail slider mechanism 31 is arranged on the platen 11, bearing seats 35 are rotatably mounted at both ends of the screw rod 34, the two bearing seats 35 are fixedly mounted on the platen 11, a screw nut 36 is screwed on the screw rod 34, the screw nut 36 is fixedly connected to the U-shaped frame mounting plate 33, a first servo motor 37 is fixedly connected to one end of the screw rod 34, the first servo motor 37 drives the screw rod 34 to rotate, and the U-shaped frame mounting plate 33, the U-shaped frame 32 and the edge folding mechanism 20 are driven to move along the guide rail of the first guide rail slider mechanism 31 through the transmission of the screw nut 36.
Further, the folding mechanism 20 includes an upper folding mechanism 21, a lower folding mechanism 22, guide rollers 23, a forming roller 24, an upper roller mounting frame 25, a lower roller mounting frame 26, an upper adjusting screw 27 and a lower adjusting screw 28, two guide rollers 23 and one forming roller 24 are mounted on the upper roller mounting frame 25 and the lower roller mounting frame 26 in a rotatable manner, the axes of the guide rollers 23 and the forming roller 24 are along the Y-axis direction, the upper end of the upper roller mounting frame 25 is fixedly connected with the upper adjusting screw 27 along the Z-axis direction, the lower end of the lower roller mounting frame 26 is fixedly connected with the lower adjusting screw 28 along the Z-axis direction, the upper adjusting screw 27 is screwed on the U-shaped frame 32, the lower adjusting screw 28 is screwed on the U-shaped frame mounting plate 33, the upper adjusting screw 27 and the lower adjusting screw 28 are adjusted, the adjusting roller mounting frame 25, The distance between the rollers of the lower roller mounting rack 26 is suitable for the flanging processing of the finned tubes with different diameters.
Furthermore, a avoiding through hole 13 is arranged in the middle of the clamping mechanism mounting plate 12, and the lower edge folding mechanism 22 is arranged in the avoiding through hole 13.
Further, the clamping mechanism 40 is arranged to be of a structure symmetrical along the finned tube, and comprises two second servo motors 41, a transmission screw 42, a finned tube clamping block 43, a clamping block mounting plate 44, a nut cushion block 45, a second guide rail slider mechanism 46 and a fixing plate 47 which are symmetrically arranged, the fixing plate 47 is vertically and fixedly mounted on the clamping mechanism mounting plate 12, the second servo motors 41 are also fixedly mounted on the clamping mechanism mounting plate 12, a power output shaft of each second servo motor 41 penetrates through the clamping mechanism mounting plate 12, the transmission screw 42 is coaxially and fixedly connected to the power output shaft of each second servo motor 41, a nut block 48 is screwed on the end portion of each transmission screw 42, the nut blocks 48 are fixedly mounted on the nut cushion block 45 and the clamping block mounting plate 44, and the nut cushion block 45 is fixedly connected with the clamping block mounting plate 44 in parallel, the second guide rail slider mechanism 46 is fixedly arranged on the clamping mechanism mounting plate 12 along the Y-axis direction, the lower end part of the clamping block mounting plate 44 is fixedly connected to a slider of the second guide rail slider mechanism 46, the finned tube clamping block 43 is fixedly arranged on the clamping block mounting plate 44 along the X-axis direction, the second servo motor 41 drives the transmission screw 42 to rotate, and the nut block 45 and the clamping block mounting plate 44 are pushed to move along a guide rail of the second guide rail slider mechanism 46 through transmission of the nut block 48, so that the clamping mechanism is suitable for clamping the finned tubes 50 with different diameters.
Further, fixture mounting panel 12 still fixed mounting has finned tube mounting bracket 14, two along the both ends of X axle direction respectively be provided with a finned tube installation pole 15 along the X axle direction on the finned tube mounting bracket 14, and one of them finned tube installation pole 15's one end is provided with the screw thread, and the spiro union is installed on finned tube mounting bracket 14 with finned tube 50 both ends on finned tube installation pole 15, rotates screwed finned tube installation pole 15 locking finned tube 50.
Further, the forming roller 24 is provided with a plurality of shapes, preferably a straight edge folding forming roller 241, an oblique edge folding forming roller 242 and a four edge folding forming roller 243, referring to fig. 5, the outer contour surface of the straight edge folding forming roller 241 is set to be a cylindrical surface, and the fins of the contact surface of the finned tube 50 are processed and folded into two parallel planes; referring to fig. 6, the outer contour surface of the bevel edge folding forming roller 242 is set as a circular table surface, and the fins of the contact surface of the finned tube 50 are processed and folded into an inclined plane forming an included angle with the horizontal plane; referring to fig. 7, the outer contour surface of the four-side folding forming roller 243 is a groove surface, and the fins on the contact surface of the finned tube 50 are processed and folded into four planes symmetrical along the horizontal plane where the axis is located.
The invention also provides a method for bending the finned tube, which comprises the following specific steps:
step 1: mounting the corresponding shaping roller 24 to the upper and lower roller mounts 25, 26 according to the desired finned tube edgefold shape, and moving the clevis 32 to the end of the guide roller 23 and shaping roller 24 adjacent the unthreaded finned tube mounting stem 15;
step 2: based on the step 1, mounting both ends of the finned tube 50 on the finned tube mounting rods 15, and rotating the threaded finned tube mounting rods 15 to lock the finned tube 50;
and step 3: based on the step 1-2, starting the second servo motor 41, driving the transmission screw 42 to rotate, driving through the nut block 48, pushing the two symmetrical nut cushion blocks 45 and the clamping block mounting plate 44 to move oppositely along the guide rail of the second guide rail sliding block mechanism 46, and clamping the finned tube 50;
and 4, step 4: based on the steps 1-3, adjusting the upper adjusting screw 27 and the lower adjusting screw 28, and adjusting the distance between the rollers of the roller mounting rack 25 and the lower roller mounting rack 26 to the required fin bending degree;
and 5: based on the steps 1-4, the first servo motor 37 drives the screw rod 34 to rotate, the U-shaped frame mounting plate 33, the U-shaped frame 32 and the edge folding mechanism 20 are driven to move along the guide rail of the first guide rail slider mechanism 31 through transmission of the screw rod nut 36, the guide roller 23 guides the finned tube 50, and the forming roller 24 bends the finned tube 50 for processing.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302813.8A CN112439847A (en) | 2020-11-19 | 2020-11-19 | Edge folding device and edge folding method for finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302813.8A CN112439847A (en) | 2020-11-19 | 2020-11-19 | Edge folding device and edge folding method for finned tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112439847A true CN112439847A (en) | 2021-03-05 |
Family
ID=74738799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011302813.8A Pending CN112439847A (en) | 2020-11-19 | 2020-11-19 | Edge folding device and edge folding method for finned tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112439847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515800A (en) * | 2022-01-25 | 2022-05-20 | 曾兰花 | Deformation-preventing fin heating pipe auxiliary production equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR200279500Y1 (en) * | 2002-03-29 | 2002-06-24 | (주)핀튜브코리아 | Fin tube form rolling apparatus using hydraulic chuck |
| CN202270784U (en) * | 2011-08-19 | 2012-06-13 | 无锡新得宝金属软管有限公司 | Welding pipe rounding device |
| CN202356481U (en) * | 2011-11-25 | 2012-08-01 | 陆洪涛 | Corrugated pipe elbow forming machine |
| JP2014184479A (en) * | 2013-03-25 | 2014-10-02 | Denso Corp | Manufacturing method and manufacturing device for spiral fin type heat exchanger |
| CN106391914A (en) * | 2016-11-10 | 2017-02-15 | 华南理工大学 | Rolling and ploughing-extrusion device and method for manufacturing three-dimensional internal and external finned tubes |
| CN106391913A (en) * | 2016-11-10 | 2017-02-15 | 华南理工大学 | Device and method for forming three-dimensional internal finned tubes based on multi-blade ploughing-extrusion |
| CN109396289A (en) * | 2018-12-06 | 2019-03-01 | 上海威可特汽车热交换器制造有限公司 | A kind of cooling oil cooler production equipment of tubular type machine oil |
| CN213944665U (en) * | 2020-11-19 | 2021-08-13 | 苏州哈瑞斯能源环保科技有限公司 | Edge folding equipment for finned tube |
-
2020
- 2020-11-19 CN CN202011302813.8A patent/CN112439847A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200279500Y1 (en) * | 2002-03-29 | 2002-06-24 | (주)핀튜브코리아 | Fin tube form rolling apparatus using hydraulic chuck |
| CN202270784U (en) * | 2011-08-19 | 2012-06-13 | 无锡新得宝金属软管有限公司 | Welding pipe rounding device |
| CN202356481U (en) * | 2011-11-25 | 2012-08-01 | 陆洪涛 | Corrugated pipe elbow forming machine |
| JP2014184479A (en) * | 2013-03-25 | 2014-10-02 | Denso Corp | Manufacturing method and manufacturing device for spiral fin type heat exchanger |
| CN106391914A (en) * | 2016-11-10 | 2017-02-15 | 华南理工大学 | Rolling and ploughing-extrusion device and method for manufacturing three-dimensional internal and external finned tubes |
| CN106391913A (en) * | 2016-11-10 | 2017-02-15 | 华南理工大学 | Device and method for forming three-dimensional internal finned tubes based on multi-blade ploughing-extrusion |
| CN109396289A (en) * | 2018-12-06 | 2019-03-01 | 上海威可特汽车热交换器制造有限公司 | A kind of cooling oil cooler production equipment of tubular type machine oil |
| CN213944665U (en) * | 2020-11-19 | 2021-08-13 | 苏州哈瑞斯能源环保科技有限公司 | Edge folding equipment for finned tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515800A (en) * | 2022-01-25 | 2022-05-20 | 曾兰花 | Deformation-preventing fin heating pipe auxiliary production equipment |
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