CN116294696A

CN116294696A - Heat exchange device, heat exchange device processing method and heat exchange device production equipment

Info

Publication number: CN116294696A
Application number: CN202310267441.7A
Authority: CN
Inventors: 徐满兴
Original assignee: Jiangsu Boming Air Conditioning Equipment Co ltd
Current assignee: Jiangsu Boming Air Conditioning Equipment Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-06-23

Abstract

The utility model relates to a heat exchange equipment field, concretely relates to heat transfer device, heat transfer device processing method and heat transfer device production facility, heat transfer device includes fixed frame and many heat transfer coils, install the heat transfer fin on the pipe fitting in order to form the heat transfer pipe, support spacing and rotatory buckling with the heat transfer pipe through heat transfer device production facility in order to form the heat transfer coil, fixed frame is equipped with the supporting hole including relative first coil fixed plate and second coil fixed plate and the backup pad that set up on the first coil fixed plate, be equipped with the supporting slot on the second coil fixed plate, pass the supporting hole on the first coil fixed plate with heat transfer coil's medium entrance point and medium exit end, and be connected the both ends and the backup pad that correspond of second coil fixed plate, and heat transfer coil's bending section can pass in order to form heat transfer device from the supporting slot on the second coil fixed plate. The application has the effects of being convenient for the assembly of the heat exchange device and the disassembly and replacement of the heat exchange coil, and the process flow is simple and the finished product quality is high.

Description

Heat exchange device, heat exchange device processing method and heat exchange device production equipment

Technical Field

The application belongs to the field of heat exchange equipment, and particularly relates to a heat exchange device, and in addition, the application also relates to a heat exchange device processing method and heat exchange device production equipment.

Background

Heating a large indoor space (for example, a factory) generally involves laying a warm air duct system in the indoor space, and providing a heat exchanger for exchanging heat with cold air in the warm air duct system, and allowing a heating medium such as high-temperature steam to flow through the heat exchanger to heat the cold air.

The heat exchange device comprises a fixed frame and a plurality of heat exchange pipes penetrating through the fixed frame and used for exchanging heat.

In the prior art, heat exchange tubes penetrate through a fixed frame to realize the support fixation of the heat exchange tubes through the fixed frame, and two corresponding heat exchange tubes are required to be welded through an elbow to form a heat exchange coil, so that the circulation of heating medium is realized, the welded heat exchange coil has high technological requirements, the welding is inconvenient, and the later disassembly and replacement of the heat exchange coil are inconvenient.

In view of this, it is desirable to provide a heat exchange device.

Disclosure of Invention

In order to improve the defects, the application provides a heat exchange device, a heat exchange device processing method and heat exchange device production equipment.

The heat exchange device provided in the first aspect of the application adopts the following technical scheme.

The utility model provides a heat transfer device, includes fixed frame and sets up many heat transfer coils in the fixed frame, each heat transfer coil is U type piece of bending, fixed frame includes relative first coil pipe fixed plate and second coil pipe fixed plate that sets up, and is used for connecting the backup pad of the corresponding tip of first coil pipe fixed plate and second coil pipe fixed plate, be equipped with on the first coil pipe fixed plate and be suitable for the supporting hole that heat transfer coil pipe's medium entrance point and medium exit end passed, be equipped with on the second coil pipe fixed plate and be suitable for heat transfer coil pipe's bending section passes the supporting slot.

By adopting the technical scheme, the installation of the heat exchange device can be conveniently realized, and the disassembly and replacement of the heat exchange coil in the heat exchange device can be conveniently realized; in addition, the heat exchange coil is formed by bending, the production and manufacturing method is simple, and the problem of pipeline leakage is not easy to occur at the bending part, so that the heat exchange coil is higher in quality and longer in service life.

Further, heat exchange fins are arranged between the medium inlet end and the bending section and between the medium outlet end and the bending section.

By adopting the technical scheme, the heat exchange efficiency can be improved.

Further, after the bending section passes through the supporting groove, a cavity structure suitable for a cover plate to pass through is formed between the bending section and the supporting groove, and the cover plate can cover the supporting groove.

By adopting the technical scheme, the cover of the supporting groove can be more attractive.

Further, plugging pieces are arranged at the gaps between the medium inlet end and the medium outlet end and the supporting holes and between the bending section and the covering plate and the supporting grooves; each medium inlet end is connected with a main inlet pipe, and each medium outlet end is connected with a main outlet pipe.

By adopting the technical scheme, sealing can be realized, and the condition that the gap between the medium inlet end and the medium outlet end and the supporting hole and the gap between the bending section and the covering plate and the supporting groove overflow when cold air passes through the heat exchange device is prevented.

Further, the processing method of the heat exchange device provided in the second aspect of the application adopts the following technical scheme.

A processing method of a heat exchange device comprises the following steps:

s1, installing heat exchange fins on a pipe fitting to form a heat exchange pipe;

s2, bending the heat exchange tube by using a tube bending machine to form a heat exchange coil;

s3, connecting the support plates at two ends of the first coil fixing plate to form a base frame;

s4, enabling the medium inlet end and the medium outlet end of the heat exchange coil to pass through the supporting holes on the first coil fixing plate, connecting the two ends of the second coil fixing plate with the corresponding supporting plates, and enabling the bending section of the heat exchange coil to pass through the supporting grooves on the second coil fixing plate to form the heat exchange device.

By adopting the technical scheme, the production steps of the heat exchange device are simple, the process technical requirement is low, the production of the heat exchange device is convenient, the production efficiency is high, and the produced heat exchange device is not easy to have the condition of pipeline leakage.

Further, the production equipment of the heat exchange device provided in the third aspect of the application adopts the following technical scheme.

The heat exchange device production equipment is the pipe bending machine in the technical scheme, and comprises: the device comprises a base, a supporting and limiting assembly and a rotating assembly;

the support limiting assembly comprises a support unit and a movement limiting unit which are arranged on the base, wherein the support unit can support the heat exchange tube and enable the heat exchange fins on the heat exchange tube to be abutted with limiting grooves on the limiting unit, and the limiting grooves are arranged to be capable of moving along the axial direction of the heat exchange tube and moving along the direction perpendicular to the axial direction of the heat exchange tube;

the rotating assembly comprises a rotating table arranged on the base and a rotating shaft unit penetrating through the base and arranged in the rotating table, a bending forming groove is formed in the upper end portion of the rotating shaft unit, a jacking unit is arranged on the upper portion of the rotating table, the rotating table can rotate around the rotating shaft unit, the jacking unit can be close to or far away from the bending forming groove, and the heat exchange tube clamp is installed between the bending forming groove and the jacking unit when being close to the bending forming groove.

Through adopting above-mentioned technical scheme, can realize buckling to the heat exchange tube, the in-process heat exchange tube of buckling can be under buckling the shaping groove and pushing up the drive of tight unit and remove to buckling shaping groove department, and the spacing groove can be along the axial synchronous motion of heat exchange tube together (namely to buckling shaping groove department removal) to can guarantee the heat exchange fin with spacing groove butt be difficult for appearing empting the condition such as warp, can guarantee the quality of the heat exchange coil of producing.

Specifically, the plurality of support units are provided, and each support unit comprises a pair of bearing seats and a roll shaft rotatably connected between the two bearing seats; the movable limiting unit further comprises a feeding hydraulic cylinder, an abutting sliding block and an abutting hydraulic cylinder, wherein the limiting groove is connected with the feeding hydraulic cylinder and is arranged on the abutting sliding block, the feeding hydraulic cylinder is fixedly connected with the abutting sliding block, and the limiting groove can move on the abutting sliding block along the axial direction of the heat exchange tube under the driving of the feeding hydraulic cylinder; the abutting sliding block is arranged on the base and connected with the abutting hydraulic cylinder, and the abutting hydraulic cylinder is connected with the base and can drive the abutting sliding block to move along the direction perpendicular to the axial direction of the heat exchange tube.

Through adopting above-mentioned technical scheme, can form the support to the heat exchange tube by supporting element for supporting element can be in same horizontal height with buckling shaping groove and spacing groove, in order to prevent to cause the damage to the heat exchange tube when buckling, and when buckling, the heat exchange tube that is in on the supporting element can be to buckling shaping groove department removal, and the feeding pneumatic cylinder can drive the spacing groove along the axial of heat exchange tube (be to being close to buckling shaping groove department) removal, consequently, can realize spacing groove and heat exchange tube synchronous motion, thereby can prevent to cause the damage to the heat exchange fin on the heat exchange tube.

Specifically, the propping unit comprises a propping sliding block and a propping hydraulic cylinder, wherein the propping sliding block is connected with the propping hydraulic cylinder, the propping hydraulic cylinder is connected with the rotating table, and the propping sliding block can be driven by the propping hydraulic cylinder to approach or be far away from the bending forming groove; and one end, close to the bending forming groove, of the jacking sliding block is detachably connected with the jacking groove, and one end, far away from the limiting groove, of the jacking groove is provided with a limiting abutting surface which is suitable for abutting against the heat exchange fin on the heat exchange tube.

Through adopting above-mentioned technical scheme, can realize the location to the heat exchange tube through spacing butt face and heat exchange fin's butt to can guarantee the unification of the position of buckling of each heat exchange tube, and can change tight groove in the top according to different size requirements, with the length in tight groove in top through the difference, realize the regulation of the position of spacing butt face, thereby realize the change and the regulation of buckling position.

Specifically, the rotating shaft unit further comprises a shaft body sleeve, a gear shaft, a jacking cylinder and a driver, wherein the shaft body sleeve is connected with the base, the gear shaft is arranged in the shaft body sleeve, the upper end of the gear shaft is connected with the rotating table, the rotating table is abutted to the upper end face of the shaft body sleeve, and the gear shaft is connected with the driver through a transmission gear; the jacking shaft penetrates through the gear shaft, the jacking cylinder is connected to the lower portion of the rotary table and can be abutted to the bottom of the jacking shaft so as to drive the jacking shaft to move up and down in the gear shaft, and the upper portion of the jacking shaft is connected with the bending forming groove.

Through adopting above-mentioned technical scheme, can realize driving the rotation of revolving stage and locate the rotation of the part on the revolving stage promptly, and can realize the rising and descending of buckling shaping groove through the reciprocates of jacking axle to when buckling shaping groove rises, the taking out of convenient heat exchange tube.

Specifically, the upper portion of jacking axle is connected with the butt post, the butt post is formed with U-shaped side elevation and straight side elevation, buckle the shaping groove and locate on the U-shaped side elevation, detachable is connected with the U-shaped stopper on the straight side elevation, the heat transfer pipe can the joint in the U-shaped stopper.

Through adopting above-mentioned technical scheme, can realize the spacing to the heat exchange tube through the U-shaped stopper when buckling the heat exchange tube for the second time.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat exchange coil is arranged to be a U-shaped bending piece, so that the manufacturing process of the heat exchange coil is simple, the situation that the heat exchange coil leaks is difficult to occur, and the second coil fixing plate is provided with a supporting groove which is suitable for the bending section of the heat exchange coil to pass through, so that the heat exchange coil can be assembled conveniently, the heat exchange coil can be disassembled conveniently after the heat exchange coil is assembled, the heat exchange device is not required to be destroyed during the disassembly, and the replacement of part of the heat exchange coil in the heat exchange device can be facilitated;

2. the production steps of the heat exchange device are simple, the technological requirements are low, the production of the heat exchange device is convenient, the production efficiency is high, and the produced heat exchange device is not easy to have the condition of pipeline leakage;

3. in the bending process, the heat exchange tube can move towards the bending forming groove under the driving of the bending forming groove and the jacking unit, and the limiting groove can move along the axial direction of the heat exchange tube together with the heat exchange tube (namely move towards the bending forming groove), so that the situation that the heat exchange fin abutted with the limiting groove is difficult to topple and deform and the like can be ensured, and the quality of the produced heat exchange coil can be ensured.

Drawings

Fig. 1 is a perspective view of a heat exchange device of the present application.

Fig. 2 is a front view of a heat exchange device of the present application.

Fig. 3 is a perspective view of a heat exchanger apparatus manufacturing facility of the present application.

Fig. 4 is a partial top view of a heat exchanger apparatus production facility of the present application.

Fig. 5 is a partial cross-sectional view taken along the direction A-A in fig. 4.

Fig. 6 is a partial cross-sectional view in the direction B-B of fig. 4.

Fig. 7 is a partial cross-sectional view taken along the direction C-C in fig. 4.

Fig. 8 is a partial cross-sectional view in the direction D-D of fig. 4.

Reference numerals: 1. a fixed frame; 11. a first coil fixing plate; 111. a support hole; 12. a second coil fixing plate; 121. a support groove; 122. a cover plate; 13. a support plate; 2. a heat exchange coil; 2', heat exchange tubes; 21. a media inlet end; 22. a media outlet end; 23. bending sections; 24. a heat exchange fin; 3. a main inlet pipe; 4. a main outlet pipe; 5. a base; 6. supporting and limiting components; 61. a supporting unit; 611. a bearing seat; 612. a roll shaft; 62. a movement limiting unit; 621. a limit groove; 622. a feeding hydraulic cylinder; 623. abutting the sliding block; 624. abutting the hydraulic cylinder; 7. a rotating assembly; 71. a rotary table; 711. a tightening unit; 7111. tightly pushing the sliding block; 7112. the hydraulic cylinder is tightly propped; 7113. tightly pushing the groove; 7114. a limit abutting surface; 72. a rotation shaft unit; 721. bending to form a groove; 722. a shaft sleeve; 723. a gear shaft; 724. a jacking shaft; 725. a jacking cylinder; 726. a driver; 727. a U-shaped limiting block; 8. and a support table.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The first aspect of the application provides a heat exchange device, which adopts the following technical scheme.

Referring to fig. 1 and 2, a heat exchange device comprises a fixed frame 1 and a plurality of heat exchange coils 2 arranged in the fixed frame 1, wherein each heat exchange coil 2 is a U-shaped bending piece, the fixed frame 1 comprises a first coil fixing plate 11 and a second coil fixing plate 12 which are oppositely arranged, and a supporting plate 13 for connecting corresponding ends of the first coil fixing plate 11 and the second coil fixing plate 12, a supporting hole 111 which is suitable for a medium inlet end 21 and a medium outlet end 22 of the heat exchange coil 2 to pass through is arranged on the first coil fixing plate 11, and a supporting groove 121 which is suitable for a bending section 23 of the heat exchange coil 2 to pass through is arranged on the second coil fixing plate 12.

When the heat exchange device is assembled, the support plates 13 can be connected to two ends of the first coil fixing plate 11, then the medium inlet end 21 and the medium outlet end 22 of the heat exchange coil 2 pass through the support holes 111 on the first coil fixing plate 11, so that a plurality of heat exchange coils 2 can be sequentially inserted into the first coil fixing plate 11, then the second coil fixing plate 12 is installed, the bending sections 23 of the heat exchange coils 2 penetrate through the support grooves 121 on the second coil fixing plate 12 during installation, so that two ends of the second coil fixing plate 12 can be connected with the support plates 13 corresponding to the second coil fixing plate 12, and the assembly of the heat exchange device is completed, wherein the connection between the first coil fixing plate 11 and the second coil fixing plate 12 and the support plates 13 can be preferably screw connection, so that the assembly can be facilitated, and the heat exchange coils 2 in the heat exchange device can be conveniently disassembled and replaced.

Specifically, as shown in fig. 1 and 2, in an embodiment of the heat exchange device of the present application, heat exchange fins 24 are disposed between the medium inlet end 21 and the bending section 23 and between the medium outlet end 22 and the bending section 23 on the heat exchange coil 2, that is, two heat exchange fins 24 are disposed on one heat exchange coil 2, where the heat exchange fins 24 can increase the contact area between the heat medium (such as high-temperature steam or hot-water hot oil) in the heat exchange coil 2 and the air, the lengths of the heat exchange fins 24 of each section are preferably made to be identical, and the lengths of the support plates 13 are also made to be identical to the lengths of the heat exchange fins 24 of each section, so that two ends of each section of heat exchange fin 24 can be respectively abutted with the first coil fixing plate 11 and the second coil fixing plate 12, so that the heat exchange coil 2 cannot shake between the first coil fixing plate 11 and the second coil fixing plate 12.

In particular, referring to fig. 1 and 2, in one embodiment of the heat exchange device of the present application, in order to ensure the aesthetic property and the tightness (not shown in the drawings) of the heat exchange device, a covering plate 122 may be coated on the supporting groove 121, specifically, after passing through the supporting groove 121, the bending section 23 may form a cavity structure suitable for the covering plate 122 to pass through between the bending section 23 and the supporting groove 121, so as to facilitate the installation of the covering plate 122, and the covering plate 122 may be preferably connected to the second coil fixing plate 12 in a threaded manner, so as to facilitate the removal of the covering plate 122 when the heat exchange coil 2 needs to be replaced, so as to facilitate the removal and removal of the second coil fixing plate 12, and take out the heat exchange coil 2 that needs to be replaced; sealing elements, such as rubber sealing rings or sealing cement such as aluminosilicate, can be preferably arranged at the gaps between the medium inlet end 21 and the medium outlet end 22 and the supporting holes 111 and at the gaps between the bending sections 23 and the covering plates 122 and the supporting grooves 121, so as to prevent the condition that the cold air overflows from the gaps between the medium inlet end 21 and the medium outlet end 22 and the supporting holes 111 and the gaps between the bending sections 23 and the covering plates 122 and the supporting grooves 121 when passing through the heat exchange device; in addition, each medium inlet end 21 on each heat exchange coil 2 is connected with the main inlet pipe 3, and each medium outlet end 22 on each heat exchange coil 2 is connected with the main outlet pipe 4, so that a pipeline for circulating heating medium is conveniently arranged.

Further, a second aspect of the present application provides a method for processing a heat exchange device, which adopts the following technical scheme.

Referring to fig. 1 and 3, a heat exchange device processing method includes the steps of:

s1, installing heat exchange fins 24 on a pipe fitting to form a heat exchange pipe 2', specifically, taking one end of the pipe fitting as a medium inlet end 21 and the other end of the heat exchange coil 2 as a medium outlet end 22, taking the middle part of the pipe fitting as a reference point, starting to install the heat exchange fins 24 at the same distance from the two ends of the pipe fitting, and enabling the lengths of the two sections of heat exchange fins 24 to be identical.

S2, bending the heat exchange tube 2' by using a tube bending machine to form a heat exchange coil 2, wherein the bending position is arranged between a middle datum point of the tube and the end part of the two sections of heat exchange fins 24, which is close to the middle datum point, and the two bending points are symmetrical about the middle datum point of the tube, so that the medium outlet end 22 and the medium inlet end 21 after bending can be ensured to be level.

S3, the supporting plates 13 are connected to the two ends of the first coil fixing plate 11 to form a base frame, and the base frame is preferably connected in a threaded mode during connection, so that the base frame can be detached conveniently.

S4, the medium inlet end 21 and the medium outlet end 22 of the heat exchange coil 2 penetrate through the supporting holes 111 on the first coil fixing plate 11 so as to sequentially insert the plurality of heat exchange coils 2 onto the first coil fixing plate 11, then the second coil fixing plate 12 is installed, the bending sections 23 of the heat exchange coils 2 penetrate through the supporting grooves 121 on the second coil fixing plate 12 during installation, two ends of the second coil fixing plate 12 can be connected with the corresponding supporting plates 13 respectively, accordingly, assembly of the heat exchange device is completed, connection between the second coil fixing plate 12 and the supporting plates 13 can be preferably in threaded connection, assembly can be facilitated, disassembly and replacement of the heat exchange coils 2 in the heat exchange device can be facilitated, in addition, the heat exchange coils 2 are formed in a bending mode, the production and manufacturing method is simple, the problem of pipeline leakage is not easy to occur at bending positions, and accordingly the heat exchange coils 2 are higher in quality and longer in service life.

Further, a third aspect of the present application provides a heat exchange device production apparatus, which is a tube bending machine in the above technical scheme, and adopts the following technical scheme.

Referring to fig. 3 and 4, a heat exchange device production apparatus includes: a base 5, a supporting and limiting assembly 6 and a rotating assembly 7; the supporting and limiting assembly 6 includes a supporting unit 61 and a moving and limiting unit 62 disposed on the base 5, the supporting unit 61 can support the heat exchange tube 2' and enable the heat exchange fins 24 on the heat exchange tube 2' to abut against the limiting grooves 621 on the limiting unit, the limiting grooves 621 are disposed to be capable of moving along the axial direction of the heat exchange tube 2' and moving along the direction perpendicular to the axial direction of the heat exchange tube 2', as shown in fig. 4 and 5, the rotating assembly 7 includes a rotating table 71 disposed on the base 5 and a rotating shaft unit 72 penetrating through the base 5 and the rotating table 71, a bending and forming groove 721 is disposed at an upper end portion of the rotating shaft unit 72, a tightening unit 711 is disposed on the rotating table 71 and capable of rotating around the rotating shaft unit 72, and the tightening unit 711 is capable of approaching or separating from the bending and forming groove 721 and clamping the heat exchange tube 2' between the bending and tightening units 711 when approaching the bending and forming groove 721.

The limiting groove 621 can be abutted with the pipe fitting of the heat exchange pipe 2' and the heat exchange fins 24 to play a role in limiting, the heat exchange pipe 2' can move towards the bending forming groove 721 under the driving of the bending forming groove 721 and the jacking unit 711 in the bending process, the limiting groove 621 can move along the axial direction of the heat exchange pipe 2' together with the heat exchange pipe 2' (namely, move towards the bending forming groove 721 and preferably move synchronously with the heat exchange pipe 2', so that the situation that the heat exchange fins 24 abutted with the limiting groove 621 are difficult to topple and deform and the like can be ensured, and the quality of the produced heat exchange coil 2 can be ensured; the limiting groove 621 can move along the direction perpendicular to the axial direction of the heat exchange tube 2', that is, the heat exchange tube 2' can be pushed to the bending groove 721, and the tightening unit 711 can also push the heat exchange tube 2' to the bending groove 721, so that the bending point (the area to be bent) on the heat exchange tube 2' can be abutted against the bending groove 721 for bending, and the tightening unit 711 can firmly push the bending point against the bending groove 721 to prevent the heat exchange tube 2' from falling out of the bending groove 721 during bending.

Specifically, referring to fig. 3 and 4, in one embodiment of the heat exchange device manufacturing apparatus of the present application, the support units 61 may be provided in plurality, each support unit 61 includes a pair of bearing blocks 611 and a roller shaft 612 rotatably connected between the two bearing blocks 611 to form a support for the heat exchange tube 2 'by the roller shaft 612, so that the support units 61 can be at the same level as the bending forming grooves 721 and the limiting grooves 621 to prevent damage to the heat exchange tube 2' when bent, and the heat exchange tube 2 'can be moved on the support units 61, it is of course understood that since the bent position is at the middle of the heat exchange tube 2', and almost half of the heat exchange tube 2 'after bending will be directed to one side of the base 5 (e.g., the side of the operator standing on the rear side of the base 5, the side of the non-standing person refers to the front side corresponding to the standing person), the portion extending from the base 5 will cause a pulling condition to the portion on the base 5, so that the portion on the base 5 will be pushed out from the base 5, and the heat exchange tube 2' will not need to be placed on the two sides of the base 5.

The movement limiting unit 62 further includes a feeding hydraulic cylinder 622, an abutting sliding block 623 and an abutting hydraulic cylinder 624, wherein the limiting groove 621 is connected with the feeding hydraulic cylinder 622 and is arranged on the abutting sliding block 623, specifically, the limiting groove 621 may be arranged on one side of one sliding block close to the bending forming groove 721, and as shown in fig. 6 and 7, the limiting groove 621 may be specifically arranged to include a large diameter groove suitable for abutting against a heat exchanging fin segment of the heat exchanging tube 2' and a small diameter groove suitable for abutting against a pipe fitting of the base of the heat exchanging tube 2', so as to obtain a better abutting limiting effect, and avoid the situation that stress concentration occurs, resulting in the heat exchanging fin 24 being crushed, as shown in fig. 4, a track groove may be arranged at the bottom of the sliding block provided with the limiting groove 621, and a sliding track matched with the track groove is arranged at the upper part of the abutting sliding block 623, and the feeding hydraulic cylinder is fixedly connected with the abutting sliding block 623, so that the limiting groove 621 can move along the track 622 (i.e. the heat exchanging tube 2 ') and the heat exchanging tube 2' is supported on the abutting block 622 along the axial direction of the bending groove 721, thereby being able to move towards the heat exchanging tube 2, and the heat exchanging tube 2' is prevented from being damaged due to the fact that the heat exchanging tube 2 is axially bent along the axial direction of the heat exchanging tube 21; further, the abutment slider 623 is provided on the base 5, specifically, a rail may be provided at the bottom of the abutment slider 623, and a rail groove may be provided on the base 5, and the abutment slider 623 is connected to the abutment hydraulic cylinder 624, and the abutment hydraulic cylinder 624 is connected to the base 5, so that the abutment hydraulic cylinder 624 can drive the abutment slider 623 to move in a direction perpendicular to the axial direction of the heat exchange tube 2', thereby abutting the heat exchange tube 2' on the bending groove 721.

Further, referring to fig. 3 and 5, in one embodiment of the heat exchange device production apparatus of the present application, the tightening unit 711 includes a tightening slider 7111 and a tightening hydraulic cylinder 7112, a lower portion of the tightening slider 7111 may be provided with a guide rail, and an upper portion of the rotation table 71 may be provided with a rail groove matched with the guide rail of the lower portion of the tightening slider 7111, and the tightening hydraulic cylinder 7112 is connected with the rotation table 71 such that the tightening slider 7111 can approach or depart from the bending groove 721 under the driving of the tightening hydraulic cylinder 7112; the end, close to the bending forming groove 721, of the tightening slider 7111 is detachably connected with a tightening groove 7113, and the end, far away from the limiting groove 621, of the tightening groove 7113 is provided with a limiting abutting surface 7114 which is suitable for abutting against the end of the heat exchange fin 24 section on the heat exchange tube 2', so that the heat exchange tube 2' can be positioned through the abutting of the limiting abutting surface 7114 and the heat exchange fin 24, the uniformity of the bending position of the heat exchange tube 2' can be ensured, the tightening groove 7113 can be replaced according to different size requirements, and the adjustment and change of the position of the limiting abutting surface 7114 can be realized through the lengths of different tightening grooves 7113, so that the change and adjustment of the bending position are realized.

Further, referring to fig. 5 and 8, in an embodiment of the heat exchange device production apparatus of the present application, the rotation shaft unit 72 further includes a shaft body sleeve 722, a gear shaft 723, a jacking shaft 724, a jacking cylinder 725, and a driver 726, wherein the shaft body sleeve 722 is connected with the base 5, the gear shaft 723 is provided in the shaft body sleeve 722, and one side of the shaft body sleeve 722 is provided with an opening, so that a gear structure on the gear shaft 723 can be meshed with a transmission gear through the opening, and is in transmission connection with a driver 726 (e.g., a driving motor) via the transmission gear, so as to realize rotation of the gear shaft 723, and an upper end of the gear shaft 723 and the rotation table 71 can be in a key connection manner, so that the rotation table 71 can rotate with the gear shaft 723 as a rotation shaft; the jacking shaft 724 is arranged in the gear shaft 723 in a penetrating manner, a protruding limiting block can be arranged on the outer wall of the jacking shaft 724, a longitudinal sliding rail matched with the limiting block on the jacking shaft 724 is arranged on the inner wall of the gear shaft 723, and accordingly the jacking shaft 724 and the gear shaft 723 are guaranteed to rotate synchronously, rotation of the upper portion of the jacking shaft 724 and the bending forming groove 721 can be achieved, bending forming of the heat exchange tube 2' can be achieved, the jacking cylinder 725 can be connected to the rotary table 71 or the lower portion of the shaft sleeve 722 and can be abutted with the bottom of the jacking shaft 724, the jacking shaft 724 can be driven to move up and down in the gear shaft 723, upward movement of the bending forming groove 721 can be achieved, the bending forming groove 721 can be moved up after bending, and workpieces can be conveniently taken out.

Further, referring to fig. 4 and 5, in an embodiment of the heat exchange device production apparatus of the present application, an abutment post is connected to an upper portion of the jacking shaft 724, the abutment post is formed with a U-shaped side elevation and a straight side elevation, the bending forming groove 721 is disposed on the U-shaped side elevation and is circumferentially arranged along the U-shaped side elevation, and the straight side elevation is detachably connected with a U-shaped limiting block 727, so that the heat exchange tube 2 'can be clamped in the U-shaped limiting block 727, thereby limiting the heat exchange tube 2' through a section of the U-shaped limiting block 727 close to the straight side elevation when the heat exchange tube 2 'is bent for the second time, and adjusting the bending position on the heat exchange tube 2' can be achieved by replacing the U-shaped limiting block 727.

The implementation principle of the heat exchange device and the heat exchange device production equipment provided by the embodiment of the application is as follows: the heat exchange coil 2 is set to the U type piece of bending for the condition that heat exchange coil 2 takes place to reveal is simple to the manufacturing process of heat exchange coil 2, and is difficult for appearing, is equipped with the supporting groove 121 that is suitable for the bending section 23 of heat exchange coil 2 to pass on second coil fixed plate 12, thereby can be convenient for the equipment of heat exchange coil 2 at equipment heat transfer device, and can also be convenient for realize the dismantlement of heat exchange coil 2 after the equipment, need not to destroy heat transfer device when dismantling, can be convenient for change the heat exchange coil 2 of part in the heat transfer device.

In the bending process, the heat exchange tube 2' moves towards the bending forming groove 721 under the driving of the bending forming groove 721 and the propping unit 711, and the limiting groove 621 can synchronously move along the axial direction of the heat exchange tube 2' together with the heat exchange tube 2' (namely, move towards the bending forming groove 721), so that the situation that the heat exchange fin 24 abutted with the limiting groove 621 is difficult to topple and deform and the like can be ensured, the quality of the produced heat exchange coil 2 can be ensured, and the bending position can be adjusted by replacing different propping grooves 7113 and U-shaped limiting blocks 727.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a heat transfer device, its characterized in that includes fixed frame (1) and sets up many heat transfer coil pipes (2) in fixed frame (1), each heat transfer coil pipe (2) are U type piece of bending, fixed frame (1) are including relative first coil pipe fixed plate (11) and second coil pipe fixed plate (12) that set up to and be used for connecting backup pad (13) of the corresponding tip of first coil pipe fixed plate (11) and second coil pipe fixed plate (12), be equipped with on first coil pipe fixed plate (11) and be suitable for support hole (111) that medium entrance point (21) and medium exit end (22) of heat transfer coil pipe (2) pass, be equipped with on second coil pipe fixed plate (12) and be suitable for support groove (121) that bending section (23) of heat transfer coil pipe (2) pass.

2. A heat exchange device according to claim 1, wherein: heat exchange fins (24) are arranged between the medium inlet end (21) and the bending section (23) and between the medium outlet end (22) and the bending section (23).

3. A heat exchange device according to claim 1, wherein: after passing through the supporting groove (121), the bending section (23) forms a cavity structure suitable for a cover plate (122) to pass through between the bending section (23) and the supporting groove (121), and the cover plate (122) can cover the supporting groove (121).

4. A heat exchange device according to claim 3, wherein: the gap between the medium inlet end (21) and the medium outlet end (22) and the supporting hole (111) and the gap between the bending section (23) and the covering plate (122) and the supporting groove (121) are respectively provided with a plugging piece; each medium inlet end (21) is connected with the main inlet pipe (3), and each medium outlet end (22) is connected with the main outlet pipe (4).

5. A heat exchange device processing method for processing the heat exchange device according to any one of claims 1 to 4, comprising the steps of:

s1, mounting heat exchange fins (24) on a pipe fitting to form a heat exchange pipe (2');

s2, bending the heat exchange tube (2') by using a tube bending machine to form a heat exchange coil (2);

s3, connecting support plates (13) at two ends of the first coil fixing plate (11) to form a base frame;

s4, enabling a medium inlet end (21) and a medium outlet end (22) of the heat exchange coil (2) to pass through a supporting hole (111) in the first coil fixing plate (11), connecting two ends of the second coil fixing plate (12) with the corresponding supporting plates (13), and enabling a bending section (23) of the heat exchange coil (2) to pass through a supporting groove (121) in the second coil fixing plate (12) to form a heat exchange device.

6. A heat exchanger apparatus for use in a tube bender as claimed in claim 5, comprising: a base (5), a supporting and limiting assembly (6) and a rotating assembly (7);

the support limiting assembly (6) comprises a support unit (61) and a movement limiting unit (62) which are arranged on the base (5), wherein the support unit (61) can support the heat exchange tube (2 ') and enable heat exchange fins (24) on the heat exchange tube (2') to be abutted with limiting grooves (621) on the movement limiting unit (62), and the limiting grooves (621) are arranged to be capable of moving along the axial direction of the heat exchange tube (2 ') and moving along the direction perpendicular to the axial direction of the heat exchange tube (2');

the rotary component (7) comprises a rotary table (71) arranged on the base (5) and a rotary shaft unit (72) penetrating through the base (5) and the rotary table (71), a bending forming groove (721) is formed in the upper end portion of the rotary shaft unit (72), a jacking unit (711) is arranged on the upper portion of the rotary table (71), the rotary table (71) can rotate around the rotary shaft unit (72), the jacking unit (711) can be close to or far away from the bending forming groove (721), and the heat exchange tube (2') is clamped between the bending forming groove (721) and the jacking unit (711) when being close to the bending forming groove (721).

7. A heat exchanger apparatus according to claim 6, wherein: the plurality of the supporting units (61) are arranged, and each supporting unit (61) comprises a pair of bearing seats (611) and a roll shaft (612) rotatably connected between the two bearing seats (611); the movable limiting unit (62) further comprises a feeding hydraulic cylinder (622), an abutting sliding block (623) and an abutting hydraulic cylinder (624), wherein the limiting groove (621) is connected with the feeding hydraulic cylinder (622), the limiting groove (621) is arranged on the abutting sliding block (623), the feeding hydraulic cylinder (622) is fixedly connected with the abutting sliding block (623), and the limiting groove (621) can move on the abutting sliding block (623) along the axial direction of the heat exchange tube (2') under the driving of the feeding hydraulic cylinder (622); the abutting sliding block (623) is arranged on the base (5) and is connected with the abutting hydraulic cylinder (624), and the abutting hydraulic cylinder (624) is connected with the base (5) and can drive the abutting sliding block (623) to move along the direction vertical to the axial direction of the heat exchange tube (2').

8. A heat exchanger apparatus according to claim 6, wherein: the jacking unit (711) comprises a jacking sliding block (7111) and a jacking hydraulic cylinder (7112), the jacking sliding block (7111) is connected with the jacking hydraulic cylinder (7112), the jacking hydraulic cylinder (7112) is connected with the rotary table (71), and the jacking sliding block (7111) can be driven by the jacking hydraulic cylinder (7112) to approach or be far away from the bending forming groove (721); and a tightening groove (7113) is detachably connected to one end, close to the bending forming groove (721), of the tightening sliding block (7111), and a limiting abutting surface (7114) suitable for abutting against the heat exchange fins (24) on the heat exchange tube (2') is formed at one end, far away from the limiting groove (621), of the tightening groove (7113).

9. A heat exchanger apparatus according to claim 6, wherein: the rotating shaft unit (72) further comprises a shaft body sleeve (722), a gear shaft (723), a jacking shaft (724), a jacking cylinder (725) and a driver (726), the shaft body sleeve (722) is connected with the base (5), the gear shaft (723) is arranged in the shaft body sleeve (722), the upper end of the gear shaft (723) is connected with the rotating table (71), the rotating table (71) is abutted with the upper end face of the shaft body sleeve (722), and the gear shaft (723) is connected with the driver (726) through a transmission gear; the jacking shaft (724) is arranged in the gear shaft (723) in a penetrating mode, the jacking cylinder (725) is connected to the lower portion of the rotary table (71) and can be abutted to the bottom of the jacking shaft (724) so as to drive the jacking shaft (724) to move up and down in the gear shaft (723), and the upper portion of the jacking shaft (724) is connected with the bending forming groove (721).

10. A heat exchange device production apparatus according to claim 9, wherein: the upper portion of jacking axle (724) is connected with the butt post, the butt post is formed with U-shaped side elevation and straight side elevation, buckle shaping groove (721) and locate on the U-shaped side elevation, detachable is connected with U-shaped stopper (727) on the straight side elevation, heat exchange tube (2') can the joint in U-shaped stopper (727).