CN103978122A - Expansion connection device for heat exchange pipes and heat radiating fins - Google Patents
Expansion connection device for heat exchange pipes and heat radiating fins Download PDFInfo
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- CN103978122A CN103978122A CN201410147062.5A CN201410147062A CN103978122A CN 103978122 A CN103978122 A CN 103978122A CN 201410147062 A CN201410147062 A CN 201410147062A CN 103978122 A CN103978122 A CN 103978122A
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Abstract
The invention provides an expansion connection device for heat exchange pipes and heat radiating fins, belongs to the technical field of machinery, and solves the technical problems of bad expansion connection effect and the like caused by the fact that the expansion connection device in the prior art implements expansion connection by using air pressure, so that unstable pressure is likely to occur due to bad sealing. The expansion connection device for the heat exchange pipes and the heat radiating fins comprises a worktable and expansion rods, wherein a positioning barrel is arranged on the worktable; one end of the positioning barrel is provided with an opening; a positioning plate is fixedly arranged on the other end of the positioning barrel; the external diameter of each expansion rod is smaller than the internal diameter of each heat exchange pipe; an expansion head is fixedly arranged on one end of each of the expansion rods; the other end of each of the expansion rods is connected with a moving mechanism capable of driving the expansion rod to axially move; the section of each expansion head is in a circular truncated cone shape; a round through hole is formed in the positioning plate; the aperture of the through hole is smaller than the external diameter of each of the heat exchange pipes, but greater than the external diameter of one end, far away from one expansion rod, of the corresponding expansion head. The expansion connection device has the advantages of rapidly implementing expansion connection on the heat exchange pipes and the heat radiating fins, and being stable in expansion connection quality.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of expanded-connecting apparatus, particularly the expanded-connecting apparatus of a kind of heat-exchange tube and fin.
Background technology
Solar water heater is converted into heat energy by solar energy, water is heated to high-temperature from low temperature, wherein heat exchanger is the major part of solar water heater, heat exchanger is comprised of heat-exchange tube and fin, and the long-pending size of heat-exchange tube and radiating rib contact surface directly affects the efficiency of heat exchanger.
Through retrieval, as Chinese patent literature discloses a kind of high-pressure gas tube sheet expanding joint method and apparatus [patent No.: ZL201010522634.5; Granted publication number: CN102059296A].This high-pressure gas tube sheet expanding joint device is provided with Pressure gauge on the connecting line between compressor and valve, and valve, air inlet pipe, seal nipple and copper heat exchanger tube are connected successively; Copper heat exchanger tube is connected to form by the copper heat exchanger tube of U-shaped and straight copper heat exchanger tube; The copper heat exchanger tube of each U-shaped and straight copper heat exchanger tube are connected to form a loop; On straight copper heat exchanger tube, a plurality of aluminous fins of string cover, form aluminum alloy fin group, and aluminous fin keeps vertical with straight copper heat exchanger tube.
Although disclosed expanded-connecting apparatus can be realized the expanded joint of heat exchanger tube and fin to a certain extent in this patent, but because being used air pressure exchange heat pipe and fin, this expanded-connecting apparatus carries out expanded joint, very easily because poor sealing causes pressure transient, thereby makes expanded joint effect bad.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed the expanded-connecting apparatus of a kind of heat-exchange tube and fin, this expanded-connecting apparatus has can carry out expanded joint to heat-exchange tube and fin, the stay-in-grade feature of expanded joint fast.
Object of the present invention can realize by following technical proposal: the expanded-connecting apparatus of a kind of heat-exchange tube and fin, comprise workbench and expander roll, it is characterized in that, on described workbench, be provided with positioning tube, described positioning tube one end has opening, the described positioning tube other end is fixed with location-plate, the external diameter of described expander roll is less than the internal diameter of heat-exchange tube, expander roll one end is fixed with swollen head, the expander roll other end and one can drive its axially movable travel mechanism to be connected, the cross section of described swollen head is round table-like, the external diameter of one end of the nearly expander roll of described swollen head rest is less than swollen head away from the external diameter of one end of expander roll, the external diameter of one end of the nearly expander roll of swollen head rest is less than the internal diameter of heat-exchange tube, swollen head is greater than the internal diameter of heat-exchange tube away from the external diameter of one end of expander roll, on described location-plate, offer rounded through hole, the aperture of described through hole is less than the external diameter of heat-exchange tube and is greater than swollen head away from the external diameter of one end of expander roll.
This heat-exchange tube is as follows with the expanded-connecting apparatus operation principle of fin, operating personnel are put into heat-exchange tube and fin in positioning tube, utilize location-plate to position heat-exchange tube and fin, operating personnel rotate heat-exchange tube aligns the through hole on heat-exchange tube and location-plate with fin, expander roll is passed to heat-exchange tube and location-plate successively, by travel mechanism, drive expander roll to the direction away from positioning tube, to move together, expander roll drives swollen first and moves to the direction away from positioning tube, thereby swollen head is progressed in heat-exchange tube, swollen head compresses axially heat-exchange tube and fin, heat-exchange tube is fully contacted with fin, heat-exchange tube and fin are fixed together.
Described travel mechanism comprises motor, screw mandrel, nut, bearing one and connecting plate, described motor is fixed on above-mentioned workbench, the two ends of described screw mandrel are all fixed on workbench by the mode of axial restraint and circumferentially rotation, the output shaft of described motor is connected with described screw mandrel by drive mechanism, described nut thread is connected on screw mandrel, described bearing one is set in outside nut, and bearing one inner ring and nut fix, described connecting plate is fixed on bearing one place, outer ring, and above-mentioned expander roll is fixed on connecting plate.
When needs carry out expanded joint, connect the power supply of motor, make the output shaft forward of motor, the output shaft of motor drives screw mandrel forward together by drive mechanism, screw mandrel drives nut to move to the direction away from positioning tube, nut band dynamic bearing rises one by one to the direction away from positioning tube and moves, and bearing one drives connecting plate to the direction away from positioning tube, to move together; The two ends of screw mandrel are fixed with respectively clutch shaft bearing and the second bearing, the inner ring of the inner ring of clutch shaft bearing and the second bearing is separately fixed at the two ends of screw mandrel, and the outer ring of the outer ring of clutch shaft bearing and the second bearing is fixed on workbench by clutch shaft bearing seat and the second bearing block respectively.
As another situation, described travel mechanism comprises cylinder and connecting plate, and the cylinder body of described cylinder is fixed on above-mentioned workbench, and piston rod and the connecting plate of described cylinder fix, and above-mentioned expander roll is fixed on connecting plate.
When needs carry out expanded joint, the piston rod of control cylinder, makes the piston rod of cylinder move to the direction away from positioning tube, and the piston rod of cylinder drives connecting plate to the direction away from positioning tube, to move together.
Described drive mechanism comprises decelerator, driving gear and driven gear, and the input of described decelerator is connected by shaft coupling with the output shaft of above-mentioned motor, and driving gear is fixed on the output of described decelerator, and driven gear is fixed on screw mandrel.
When needs carry out expanded joint, connect the power supply of motor, make the output shaft forward of motor, the input that the output shaft of motor drives decelerator by shaft coupling is forward together, the output of decelerator drives driving gear forward together, driving gear drives driven gear forward together, and driven gear drives screw mandrel forward together.
On described connecting plate, offer connecting hole, described expander roll one end has external screw thread, and described expander roll is connected with a nut through connecting hole.
End is had to externally threaded expander roll successively through heat-exchange tube, location-plate and connecting plate, utilize nut that expander roll is fixed on connecting plate, guarantee that connecting plate can drive expander roll to move axially together, while expander roll is fast demountable also, is convenient to the expanded joint of next group heat-exchange tube and fin.
On the end face of described swollen head, be fixed with a locating dowel, described locating dowel has external screw thread, offers the female locating hole of tool on described expander roll end face, and described locating dowel is threaded in locating hole.
Swollen head is threaded onto in the locating hole of expander roll by locating dowel, can facilitate the dismounting of swollen head.
On described connecting plate, be also provided with auxiliary body, described auxiliary body comprises guide rail, auxiliary rod one, auxiliary rod two, bearing two and bearing three, one end of described auxiliary rod one and one end of auxiliary rod two are separately fixed at the place, both sides of connecting plate, guide rail is fixed on workbench, auxiliary rod one is horizontally disposed with auxiliary rod two and is all vertical with the length direction of guide rail, the other end of described auxiliary rod one is fixed on the inner ring place of bearing two, the other end of described auxiliary rod two is fixed on the inner ring place of bearing three, the outer ring of described bearing two and the outer ring of bearing three contact with guide rail lateral surface respectively.
When connecting plate moves, connecting plate drives auxiliary rod one to move together with auxiliary rod two, auxiliary rod one is with respectively dynamic bearing two to move together with bearing three with auxiliary rod two, and back rotation can be carried out in the outer ring of bearing two and bearing three on guide rail, can guarantee that connecting plate moves more steady, reliable.
In described connecting plate one side, offer the female installing hole one of tool, on described connecting plate opposite side, offer the female installing hole two of tool, described installing hole one and installing hole two stagger mutually, the hole heart of installing hole one and the hole heart of installing hole two are on sustained height, the end of above-mentioned auxiliary rod one has external screw thread, the mode that described auxiliary rod one is threaded connection is connected in installing hole one, the end of above-mentioned auxiliary rod two has external screw thread, and the mode that described auxiliary rod two is threaded connection is connected in installing hole two.
Auxiliary rod one and auxiliary rod two are fixed in the installing hole one and installing hole two of connecting plate by screw thread respectively, auxiliary rod one and auxiliary rod two fast demountables.
Compared with prior art, this heat-exchange tube has the following advantages with the expanded-connecting apparatus of fin:
1, the present invention adopts driven by motor expander roll to move axially, and realizes the stable expanded joint to heat-exchange tube and fin, and efficiency is high.
2, the cross section of swollen head is round table-like, the external diameter of one end of the nearly expander roll of swollen head rest is less than the internal diameter of heat-exchange tube, swollen head is greater than the internal diameter of heat-exchange tube away from the external diameter of one end of expander roll, adopt this structure, can make heat-exchange tube and fin realize on the contact-making surface of 360 ° and contact completely, heat exchange efficiency is high, rational in infrastructure; Can make expander roll convenient through in heat-exchange tube, simple to operate.
3, the both sides of connecting plate are fixed with auxiliary rod one and auxiliary rod two, auxiliary rod one and auxiliary rod two be fixed with respectively bearing two and bearing three, adopt this structure, can make connecting plate move axially more steady, thereby swollen head is to each position of heat-exchange tube and fin even expanded joint all, and expanded joint is effective.
4, swollen head is threaded connection in the locating hole of expander roll, the swollen head of fast demountable different model, and easy accessibility, versatility are high.
5, expander roll is fixed on connecting plate by nut, adopts this structure expander roll fast demountable, is convenient to the expanded joint of next group heat-exchange tube and fin, easy accessibility.
6, adopt decelerator to make to reduce the rotating speed of screw mandrel in situation that motor speed is constant, thereby it is more steady that expander roll is moved, expanded joint is stable, reliable.
7, auxiliary rod one and auxiliary rod two are fixed in the installing hole one and installing hole two of connecting plate by screw thread respectively, auxiliary rod one and auxiliary rod two fast demountables, easy accessibility.
Accompanying drawing explanation
Fig. 1 is expanded-connecting apparatus embodiment mono-perspective view of this heat-exchange tube and fin.
Fig. 2 be this heat-exchange tube with the expanded-connecting apparatus of fin in drive mechanism planar structure schematic diagram.
Fig. 3 be this heat-exchange tube with the expanded-connecting apparatus of fin in expander roll and swollen head plane structural representation.
Fig. 4 is this heat-exchange tube and fin perspective view.
Fig. 5 is expanded-connecting apparatus embodiment bis-perspective view of this heat-exchange tube and fin.
In figure, 1, motor; 2, clutch shaft bearing seat; 3, screw mandrel; 4, guide rail; 5, connecting plate; 6, expander roll; 7, location-plate; 8, positioning tube; 9, the second bearing block; 10, nut; 11, bearing one; 12, bearing two; 13, auxiliary rod one; 14, workbench; 15, driving gear; 16, driven gear; 17, shaft coupling; 18, decelerator; 19, swollen head; 20, locating dowel; 21, heat-exchange tube; 22, fin; 23, cylinder.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment mono-:
As shown in Fig. 1, Fig. 3, Fig. 4, the expanded-connecting apparatus of this heat-exchange tube and fin, comprises workbench 14 and expander roll 6, and the material of expander roll 6 adopts stainless steel; On workbench 14, be provided with positioning tube 8, positioning tube 8 adopts a side that is bolted to workbench 14; Positioning tube 8 one end have opening, and positioning tube 8 other ends are fixed with location-plate 7, and the external diameter of expander roll 6 is less than the internal diameter of heat-exchange tube 21, are convenient to expander roll 6 through in heat-exchange tube 21; Expander roll 6 one end are fixed with swollen 19, and expander roll 6 other ends and can drive its axially movable travel mechanism to be connected, and the cross section of swollen 19 is round table-like, and the material of swollen 19 adopts stainless steel, can guarantee that swollen 19 has longer service life; Swollen 19 external diameter near one end of expander roll 6 is less than swollen 19 away from the external diameter of one end of expander roll 6, can make swollen 19 progressively heat-exchange tube 21 to be compressed axially; Swollen 19 external diameter near one end of expander roll 6 is less than the internal diameter of heat-exchange tube 21, swollen 19 external diameter away from one end of expander roll 6 is greater than the internal diameter of heat-exchange tube 21, and while guaranteeing swollen 19 pairs of heat-exchange tubes 21 with fin 22 expanded joint, heat-exchange tube 21 fully contacts with fin 22; On location-plate 7, offer rounded through hole, the aperture of through hole is less than the external diameter of heat-exchange tube 21 and is greater than swollen 19 away from the external diameter of one end of expander roll 6, can make expander roll 6 pass by the through hole from location-plate 7, and heat-exchange tube 21 can not pass by the through hole from location-plate 7, adopt this structure to position with 7 pairs of heat-exchange tubes of location-plate 21 and fin 22, location is reliable.
As shown in Figure 1, travel mechanism comprises motor 1, screw mandrel 3, nut 10, bearing 1 and connecting plate 5, and motor 1 is fixed on above-mentioned workbench 14, and motor 1 adopts and is bolted on workbench 14; The two ends of screw mandrel 3 are all fixed on workbench 14 by the mode of axial restraint and circumferentially rotation, the two ends of screw mandrel 3 are fixed with respectively clutch shaft bearing and the second bearing, the inner ring of the inner ring of clutch shaft bearing and the second bearing is separately fixed at the two ends of screw mandrel 3, and the outer ring of the outer ring of clutch shaft bearing and the second bearing is fixed on workbench 14 by clutch shaft bearing seat 2 and the second bearing block 9 respectively; The output shaft of motor 1 is connected with screw mandrel 3 by drive mechanism, nut 10 is threaded on screw mandrel 3, bearing 1 is set in outside nut 10, and bearing one 11 inner rings and nut 10 fix, the cooperation of the inner ring of bearing 1 and nut 10 belongs to interference fits, guarantees that nut 10 can be with dynamic bearing 1 to move axially together; Connecting plate 5 is fixed on bearing one 11 places, outer ring, and connecting plate 5 is fixed on bearing one 11 outer rings by welding manner and locates, and guarantees that bearing 1 can drive connecting plate 5 to move together; Expander roll 6 is fixed on connecting plate 5.
As shown in Figure 1 and Figure 2, drive mechanism comprises decelerator 18, driving gear 15 and driven gear 16, and decelerator 18 can have been bought two stage reducer on market; The output shaft of the input of decelerator 18 and motor 1 is connected by shaft coupling 17, driving gear 15 is fixed on the output of decelerator 18, driving gear 15 is connected to the output of decelerator 18 by key, guarantee that the output of decelerator 18 can drive driving gear 15 to rotate together; Driven gear 16 is fixed on screw mandrel 3, and driven gear 16 is connected on screw mandrel 3 by key, guarantees that driven gear 16 can drive screw mandrel 3 to rotate together.
As shown in Figure 3, on connecting plate 5, offer connecting hole, expander roll 6 one end have external screw thread, and expander roll 6 is connected with a nut through connecting hole, utilizes nut that expander roll 6 is fixed on connecting plate 5, guarantees that connecting plate 5 can drive expander roll 6 to move axially together.
As shown in Figure 1 and Figure 2, be fixed with a locating dowel 20 on the end face of swollen 19, locating dowel 20 adopts the mode of welding to be fixed on the end face of swollen 19; Locating dowel 20 has external screw thread, offers the female locating hole of tool on expander roll 6 end faces, and locating dowel 20 is threaded in locating hole, in the locating hole that is threaded onto expander roll 6 for swollen 19, can facilitate the dismounting of swollen 19 by locating dowel 20.
As shown in Figure 1, on connecting plate 5, be also provided with auxiliary body, auxiliary body comprises guide rail 4, auxiliary rod 1, auxiliary rod two, bearing 2 12 and bearing three, one end of auxiliary rod 1 and auxiliary rod two is separately fixed at the both sides of connecting plate 5, and one end of auxiliary rod 1 and auxiliary rod two is fixed on respectively the both sides of connecting plate 5 by the mode of welding; Guide rail 4 is fixed on workbench 14, and guide rail 4 is bolted on workbench 14; Auxiliary rod 1 is horizontally disposed with auxiliary rod two and is all vertical with the length direction of guide rail 4, the other end of auxiliary rod 1 and auxiliary rod two is fixed with respectively bearing 2 12 and bearing three, the outer ring of bearing 2 12 and bearing three contacts with guide rail 4 lateral surfaces respectively, auxiliary rod 1 and auxiliary rod two are separately fixed at the inner ring place of bearing 2 12 and bearing three, and the inner ring of bearing 2 12 and bearing three is fixed on auxiliary rod 1 and auxiliary rod two by the mode of welding respectively.
As shown in Figure 1, in connecting plate 5 one sides, offer the female installing hole one of tool, on connecting plate 5 opposite sides, offer the female installing hole two of tool, installing hole one and installing hole two stagger mutually, the hole heart of installing hole one and the hole heart of installing hole two are on sustained height, the end of auxiliary rod 1 has external screw thread, the mode that auxiliary rod 1 is threaded connection is connected in installing hole one, the end of auxiliary rod two has external screw thread, the mode that auxiliary rod two is threaded connection is connected in installing hole two, adopt this structure, can be convenient to the fast assembling-disassembling of auxiliary rod 1 and auxiliary rod two.
This heat-exchange tube is as follows with the expanded-connecting apparatus operation principle of fin, operating personnel are put into heat-exchange tube 21 and fin 22 in positioning tube 8, utilize 7 pairs of heat-exchange tubes of location-plate 21 and fin 22 to position, operating personnel rotate heat-exchange tube 21 aligns the through hole on heat-exchange tube 21 and location-plate 7 with fin 22, by locating dowel 20, be threaded onto for swollen 19 in the locating hole of expander roll 6, expander roll 6 ends are had to externally threaded one end successively through heat-exchange tube 21, location-plate 7 and connecting plate 5, utilize nut that expander roll 6 is fixed on connecting plate 5, connect the power supply of motor 1, make the output shaft forward of motor 1, the input that the output shaft of motor 1 drives decelerators 18 by shaft coupling 17 is forward together, the output of decelerator 18 drives driving gear 15 forward together, driving gear 15 drives driven gear 16 forward together, driven gear 16 drives screw mandrel 3 forward together, screw mandrel 3 drives nut 10 to move to the direction away from positioning tube 8, nut 10 moves to the direction away from positioning tube 8 together with dynamic bearing 1, bearing 1 drives connecting plate 5 to the direction away from positioning tube 8, to move together, connecting plate 5 drives expander roll 6 to the direction away from positioning tube 8, to move together, expander roll 6 drives swollen 19 pairs of heat-exchange tubes 21 and fin 22 to carry out expanded joint, heat-exchange tube 21 is fully contacted with fin 22, heat-exchange tube 21 and fin 22 are fixed together.
Embodiment bis-:
Content in the present embodiment two is roughly identical with the content in embodiment mono-, difference is that the travel mechanism in embodiment mono-comprises motor 1, screw mandrel 3, nut 10, bearing 1 and connecting plate 5, motor 1 is fixed on workbench 14, the two ends of screw mandrel 3 are all fixed on workbench 14 by the mode of axial restraint and circumferentially rotation, the output shaft of motor 1 is connected with screw mandrel 3 by drive mechanism, nut 10 is threaded on screw mandrel 3, bearing 1 is set in outside nut 10, and bearing one 11 inner rings and nut 10 fix, connecting plate 5 is fixed on bearing one 11 places, outer ring, expander roll 6 is fixed on connecting plate 5, drive mechanism comprises decelerator 18, driving gear 15 and driven gear 16, the output shaft of the input of decelerator 18 and motor 1 is connected by shaft coupling 17, driving gear 15 is fixed on the output of decelerator 18, driven gear 16 is fixed on screw mandrel 3, and in the present embodiment two, as shown in Figure 5, travel mechanism comprises cylinder 23 and connecting plate 5, the cylinder body of cylinder 23 is fixed on workbench 14, and cylinder 23 piston rods and connecting plate 5 fix, and expander roll 6 is fixed on connecting plate 5.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (8)
1. the expanded-connecting apparatus of a heat-exchange tube and fin, comprise workbench (14) and expander roll (6), it is characterized in that, on described workbench (14), be provided with positioning tube (8), described positioning tube (8) one end has opening, described positioning tube (8) other end is fixed with location-plate (7), the external diameter of described expander roll (6) is less than the internal diameter of heat-exchange tube (21), expander roll (6) one end is fixed with swollen head (19), expander roll (6) other end and one can drive its axially movable travel mechanism to be connected, the cross section of described swollen head (19) is round table-like, described swollen head (19) is less than swollen head (19) away from the external diameter of one end of expander roll (6) near the external diameter of one end of expander roll (6), swollen head (19) is less than the internal diameter of heat-exchange tube (21) near the external diameter of one end of expander roll (6), swollen head (19) is greater than the internal diameter of heat-exchange tube (21) away from the external diameter of one end of expander roll (6), described location-plate offers rounded through hole on (7), the aperture of described through hole is less than the external diameter of heat-exchange tube (21) and is greater than swollen head (19) away from the external diameter of one end of expander roll (6).
2. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 1 and fin, it is characterized in that, described travel mechanism comprises motor (1), screw mandrel (3), nut (10), bearing one (11) and connecting plate (5), described motor (1) is fixed on above-mentioned workbench (14), the two ends of described screw mandrel (3) are all fixed on workbench (14) by the mode of axial restraint and circumferentially rotation, the output shaft of described motor (1) is connected with described screw mandrel (3) by drive mechanism, described nut (10) is threaded on screw mandrel (3), described bearing one (11) is set in outside nut (10), and bearing one (11) inner ring and nut (10) fix, described connecting plate (5) is fixed on bearing one (11) place, outer ring, above-mentioned expander roll (6) is fixed on connecting plate (5).
3. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 1 and fin, it is characterized in that, described travel mechanism comprises cylinder (23) and connecting plate (5), the cylinder body of described cylinder (23) is fixed on above-mentioned workbench (14), the piston rod of described cylinder (23) and connecting plate (5) fix, and above-mentioned expander roll (6) is fixed on connecting plate (5).
4. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 2 and fin, it is characterized in that, described drive mechanism comprises decelerator (18), driving gear (15) and driven gear (16), the output shaft of the input of described decelerator (18) and above-mentioned motor (1) is connected by shaft coupling (17), driving gear (15) is fixed on the output of described decelerator (18), and driven gear (16) is fixed on screw mandrel (3).
5. according to the expanded-connecting apparatus of the heat-exchange tube described in claim 1 or 2 (21) and fin (22), it is characterized in that, described connecting plate offers connecting hole on (5), and described expander roll (6) one end has external screw thread, and described expander roll (6) is connected with a nut through connecting hole.
6. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 1 and fin, it is characterized in that, on the end face of described swollen head (19), be fixed with a locating dowel (20), described locating dowel (20) has external screw thread, on described expander roll (6) end face, offer the female locating hole of tool, described locating dowel (20) is threaded in locating hole.
7. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 1 and fin, it is characterized in that, described connecting plate is also provided with auxiliary body on (5), described auxiliary body comprises guide rail (4), auxiliary rod one (13), auxiliary rod two, bearing two (12) and bearing three, described auxiliary rod one (13) and one end of auxiliary rod two are separately fixed at the both sides of connecting plate (5), guide rail (4) is fixed on workbench (14), auxiliary rod one (13) is horizontally disposed with auxiliary rod two and is all vertical with the length direction of guide rail (4), described auxiliary rod one (13) and the other end of auxiliary rod two are fixed with respectively bearing two (12) and bearing three, described bearing two (12) and the outer ring of bearing three contact with guide rail (4) lateral surface respectively, described auxiliary rod one (13) and auxiliary rod two are respectively the inner ring places that is fixed on bearing two (12) and bearing three.
8. according to the expanded-connecting apparatus of heat-exchange tube claimed in claim 7 and fin, it is characterized in that, in described connecting plate (5) one sides, offer the female installing hole one of tool, on described connecting plate (5) opposite side, offer the female installing hole two of tool, described installing hole one and installing hole two stagger mutually, the hole heart of installing hole one and the hole heart of installing hole two are on sustained height, the end of above-mentioned auxiliary rod one (13) has external screw thread, the mode that described auxiliary rod one (13) is threaded connection is connected in installing hole one, the end of above-mentioned auxiliary rod two has external screw thread, the mode that described auxiliary rod two is threaded connection is connected in installing hole two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147062.5A CN103978122B (en) | 2014-04-14 | 2014-04-14 | The expanded-connecting apparatus of a kind of heat-exchange tube and fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147062.5A CN103978122B (en) | 2014-04-14 | 2014-04-14 | The expanded-connecting apparatus of a kind of heat-exchange tube and fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978122A true CN103978122A (en) | 2014-08-13 |
| CN103978122B CN103978122B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147062.5A Expired - Fee Related CN103978122B (en) | 2014-04-14 | 2014-04-14 | The expanded-connecting apparatus of a kind of heat-exchange tube and fin |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187080Y (en) * | 1993-11-04 | 1995-01-11 | 王剑波 | Pipe expanding mandrel |
| US5533251A (en) * | 1993-05-18 | 1996-07-09 | Vetter; Klaus-Dieter | Automatic hairpinlacing apparatus |
| CN1522810A (en) * | 2003-02-20 | 2004-08-25 | 三菱电机株式会社 | Expanding apparatus for heat exchange pipe |
| JP2008100269A (en) * | 2006-10-20 | 2008-05-01 | Mitsubishi Electric Corp | Tube expander |
| CN201519916U (en) * | 2009-09-30 | 2010-07-07 | 芜湖新传机械制造有限公司 | Tooling for heat radiating core components |
| CN102397957A (en) * | 2011-11-21 | 2012-04-04 | 南通瑞尔实业有限公司 | Pull expanding machine for fixed cooler core |
| CN203751189U (en) * | 2014-04-14 | 2014-08-06 | 嘉兴恒日太阳能科技有限公司 | Expansion connecting device of heat exchanging tube and radiating fin |
-
2014
- 2014-04-14 CN CN201410147062.5A patent/CN103978122B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5533251A (en) * | 1993-05-18 | 1996-07-09 | Vetter; Klaus-Dieter | Automatic hairpinlacing apparatus |
| CN2187080Y (en) * | 1993-11-04 | 1995-01-11 | 王剑波 | Pipe expanding mandrel |
| CN1522810A (en) * | 2003-02-20 | 2004-08-25 | 三菱电机株式会社 | Expanding apparatus for heat exchange pipe |
| JP2008100269A (en) * | 2006-10-20 | 2008-05-01 | Mitsubishi Electric Corp | Tube expander |
| CN201519916U (en) * | 2009-09-30 | 2010-07-07 | 芜湖新传机械制造有限公司 | Tooling for heat radiating core components |
| CN102397957A (en) * | 2011-11-21 | 2012-04-04 | 南通瑞尔实业有限公司 | Pull expanding machine for fixed cooler core |
| CN203751189U (en) * | 2014-04-14 | 2014-08-06 | 嘉兴恒日太阳能科技有限公司 | Expansion connecting device of heat exchanging tube and radiating fin |
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| Publication number | Publication date |
|---|---|
| CN103978122B (en) | 2016-01-20 |
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