CN208613595U - A kind of process units of finned tube and the finned tube - Google Patents

Abstract

The utility model relates to a kind of finned tube of field of heat exchange and its process units of the finned tube, including base tube, the periphery of base tube is provided with finned tube, it is spaced a distance on finned tube and is provided with several groups fin, several groups fin is arranged along the axial direction of base tube, several groups fin is arranged on finned tube in the shape of a spiral from base tube one end to the base tube other end, and finned tube and several groups fin are in integrated setting, all wavy setting of every group of fin；Be staggered certain distance setting above and below the crest location of two groups of fins of arbitrary neighborhood, the also upper and lower certain distance setting that is staggered of the wave trough position of two groups of fins of arbitrary neighborhood；The heat dissipation area for increasing fin on each finned tube of the utility model by a relatively large margin improves the heat exchanger effectiveness of finned tube and passes through the process units and production method of finned tube, optimizes the process of entire fin production, and its manufacturing process, save the cost reduces energy consumption, saves manpower.

Description

A kind of process units of finned tube and the finned tube

Technical field

The utility model relates to a kind of finned tube and the process units of the finned tube.

Background technique

Finned tube is the core heat transfer element of shell-and-tube heat exchanger；Traditional fin pipe surface be usually it is smooth, referred to as For light pipe；With the raising of development and the environmental requirement of power-saving technology, occur a large amount of novel efficient enhanced fins in recent years Pipe, such as: screwed pipe, low finned tube, groove profile pipe, these efficient pipes improve heat transfer efficiency, reduce heat transfer area, reduce operation Maintenance cost brings good Social benefit and economic benefit；But lack mature technique and dress since shape tube rolls It is standby, seriously constrain the application of efficient pipe；In the prior art, application No. is 201310275631.X, application publication number CN 103317047 A, data of publication of application be 2013.09.25 conical finned condensation pipe rolling device and milling method it is practical It is novel；Including rack and cutter shaft, cutter shaft is mounted on the rack, and cutter shaft connecting power device, cutter shaft is provided with rolling knife, inlet pipe side To front side be arranged contact roller, contact roller be arranged on cutter shaft；Milling method is rolled including the smooth outer surface successively in condenser pipe Intake chute processed, rolling blade part rolls out helical form intake chute in condensation tube outer surface under pressing force effect, then to condensation Tube outer surface rolls conical finned；The disadvantages of this solution is that production efficiency is low, does not roll the fast of cutter or molding cutter Speed replacement mechanism, it is more troublesome once to wear or damage its maintenance in long-term production process；Utility model production simultaneously is different Shape cutter is relatively difficult, it is difficult to produce wavy fin；

Utility model content

The purpose of the utility model is to provide a kind of finned tube, which can increase fin on each finned tube Heat dissipation area, improve the heat exchanger effectiveness of finned tube.

Purpose of the utility model is realized as follows: a kind of finned tube, including base tube, which is characterized in that outside base tube Be provided with finned tube week, be spaced a distance on finned tube and be provided with several groups fin, several groups fin along base tube axis To setting, several groups fin is arranged on finned tube in the shape of a spiral from base tube one end to the base tube other end, finned tube and several groups Fin is in integrated setting, all wavy setting of every group of fin；The crest location of two groups of fins of arbitrary neighborhood is staggered one up and down Set a distance setting, the also upper and lower certain distance setting that is staggered of the wave trough position of two groups of fins of arbitrary neighborhood.

The beneficial effects of the utility model are, the utility model by a relatively large margin increase fin on each finned tube Heat dissipation area improves the heat exchanger effectiveness of finned tube, optimizes the process of entire fin production, reduces energy consumption, save manpower.

Second purpose of the utility model is to provide a kind of process units of finned tube, carries out production process in finned tube Middle raising production efficiency preferably more stable can will compress for the machine pipe of processing, while can be realized rolling device Quick-replaceable saves labour.

Second purpose of the utility model is achieved in that including being horizontally arranged with feeding mechanism, being arranged in feeding The driving mechanism that mechanism exit supporting mechanism, cooperation supporting mechanism are arranged, feeding mechanism include that fixed bracket and its setting exist Finned tube delivery wheel on fixed bracket, finned tube delivery wheel are provided with several groups along straight line；It is set inside supporting mechanism It is equipped with fin roll mechanism and its cooling body, the two sides of supporting mechanism are additionally provided with postive stop baffle；Fin roll mechanism includes The upper rolling component of 0 ° of position, the left rolling component that 120 ° of positions are arranged in and its right rolling that 240 ° of positions are arranged in are set Component；Upper rolling component, left rolling component and its setting of right rolling component are in the same plane；Fin roll mechanism passes through respectively Connecting rod is connect with driving mechanism；Upper rolling component, left rolling component and its right rolling component respectively include axial trajectory, setting exists Pedestal in axial trajectory is set on the base support device, pressing device is arranged beside support device and setting is supporting Rolling device on device；Pressing device and rolling device are arranged side by side, upper rolling component, left rolling component and its right rolling group Setting spaced apart between part；Rolling device includes shaft and its rolling cutter and its forming cutter that are arranged in shaft Tool.

When utility model works, base tube is pressed onto finned tube first by press machine, so that the inner wall and wing of base tube It is interference fitted between the outer arm of piece pipe；The outer base tube for being surrounded by finned tube is placed on feeding mechanism, is conveyed by finned tube The base tube is transported in fin roll mechanism by wheel, and is opened and rolled component, left rolling component, right rolling component and its cooling Mechanism；To base tube enter upper rolling component, left rolling component, right rolling component internal rolling device between, first pass through point Pressing device before upper rolling component, left rolling component and its right rolling component is not set, and pressing device passes through control pressure Bearing up pulley carries out positioning compression 0 °, 120 ° and its 240 ° of position, while feeding mechanism is constantly towards delivered inside base tube；In base tube When constantly entering rolling component, left rolling component, right rolling component internal, cutter is rolled at this time and molding cutter high speed is revolved It changes a job work；It is that 0 °, 120 ° and its 240 ° of rolling cutter being arranged up front touches the wing being set on base tube at first first Piece pipe, and then rolled simultaneously, as feeding mechanism constantly carries out feeding, base tube towardss upper rolling group while rotating Part, left rolling component, the movement of right rolling component internal, then successively cutter is rolled by second group of rolling cutter and its N group；According to After the secondary rolling cutter rolling by N group, have been completed basic rolling at this time and its reach the size of setting, then using First composing type cutter carries out processing and forming, then successively ensures that the processing of the finned tube on the pedestal is wavy by N group and set It sets, carries out burr using last composing type cutter；After processing for a long time, cutter and molding cutter have been rolled It is seriously worn；Then by pedestal, axially track moves outwardly, moves on to position and then dismantles support device, directly takes out and turns Then axis changes new shaft, then proceed to using；Changing old shaft, then directly replacement rolls cutter and molding cutter, Operator can take out rolling cutter or molding cutter in any side and successively take out n-th rolling cutter or N A molding cutter；When then installing, new rolling cutter and molding cutter, then the number of installation support device are successively changed in sequence On device device, then control pedestal axially track move inwardly, be moved to position at postive stop baffle always；Setting exists Component is rolled on 0 ° of position, and the left rolling component of 120 ° of positions is set and its right rolling component of 240 ° of positions is set successively It is replaced.

The beneficial effects of the utility model are, the utility model by a relatively large margin increase fin on each finned tube Heat dissipation area improves the heat exchanger effectiveness of finned tube and the process units by finned tube, optimizes entire fin production Process and its manufacturing process, save the cost reduce energy consumption, save manpower.

For guarantee, the device normally can carry out compressing while guarantee to roll as a further improvement of the utility model, Device replacement easy to disassemble；Support device includes the hydraulic pressure cylinder assembly being fixed on the base, and hydraulic pressure cylinder assembly is provided with several groups, It is provided with rolling device on hydraulic pressure cylinder assembly, rolling device includes the support construction of setting of being in U-shape, and is provided with and turns in support construction Axis is provided with rolling bearing component between support construction and shaft；Pressing device is arranged in front of support device；Pressing device The contact roller of hydraulic pressure cylinder assembly setting is compressed including compressing hydraulic pressure cylinder assembly and its cooperation.

As a further improvement of the utility model, to guarantee that rolling cutter and molding cutter can be normally carried out work, And quickly production department has Wavelike finned finned tube, while guaranteeing to roll not left and right shifting between cutter and molding cutter It is dynamic；Rolling cutter is provided with several groups, and molding cutter is additionally provided with several groups, and molding cutter is arranged in behind rolling cutter； Diameter successively becomes larger rolling cutter from front to back, and the diameter of molding cutter is successively constant；It is provided between adjacent rolling cutter Positioning sleeve, adjacent molding cutter are provided with positioning sleeve, are provided with positioning sleeve between adjacent rolling cutter and molding cutter；If It sets and is provided with lock sleeve before the rolling cutter of front end, be arranged in behind the molding cutter of rearmost end and be additionally provided with lock It is fixed.

As a further improvement of the utility model, to guarantee that molding cutter can preferably work, so that waveform Fin preferably form；Molding cutter includes internal layer, middle layer and outer layer；Internal layer is in hollow round setting, middle layer court Side is provided with protrusion, and middle layer is arranged fluted towards the other side；The two sides of outer layer are respectively arranged with left boss and right boss；It is left Boss and right boss are arranged in similar triangle, and left boss and right boss are narrow end close to one end of outer layer, and left boss and the right side are convex Platform is wide end close to one end of middle layer；Left boss and right boss are distributed in by center of circle circular array of the center of molding cutter Outer layer.

As a further improvement of the utility model, for guarantee rolling cutter and molding cutter can prolonged use, Reduce rolling cutter and its molding cutter replacement frequency to the greatest extent；Rolling cutter is provided with 38 groups, and molding cutter is provided with two Group.

Detailed description of the invention

Fig. 1 is molding cutter structure chart.

Fig. 2 is upper rolling component, left rolling component and its right rolling assembly assumption diagram.

Fig. 3 is molding cutter and the layout viewing for rolling cutter.

Fig. 4 is fin tube structure figure.

Fig. 5 is fin roll mechanism stereoscopic schematic diagram.

Fig. 6 is production apparatus structure schematic diagram.

Fig. 7 is the sectional view of fin roll mechanism.

Fig. 8 is rolling device and its pressing device schematic diagram.

Wherein, 1 right boss, 2 internal layers, 3 wide ends, 4 narrow ends, 5 middle layers, 6 left rolling components, roll on 7 component, 8 base tubes, 9 finned tubes, 10 right rolling components, 11 left boss, 12 molding cutters, 13 pedestals, 14 rolling cutters, 15 positioning sleeves, 16 lock sleeves, 17 grooves, 18 protrusions, 19 wave trough positions, 20 crest locations, 21 postive stop baffles, 22 fin roll mechanisms, 23 feeding mechanisms, 24 are consolidated Fixed rack, 25 finned tube delivery wheels, 26 connecting rods, 27 driving mechanisms, 28 axial trajectories, 29 cooling bodies, 30 rolling bearing components, 31 fins, 32 outer layers, 33 compress hydraulic pressure cylinder assembly, 34 shafts, 35 support constructions, 36 contact rollers, 37 hydraulic pressure cylinder assemblies, 38 rollings Device, 39 pressing devices.

Specific embodiment

Embodiment one, as shown in figures 1-8, purpose of the utility model is realized as follows: a kind of finned tube, including base tube 8, the periphery of base tube 8 is provided with finned tube 9, is spaced a distance on finned tube 9 and is provided with several groups fin 31, several groups wing Piece 31 is arranged along the axial direction of base tube 8, and wing is arranged in from 8 one end of base tube to 8 other end of base tube in several groups fin 31 in the shape of a spiral On piece pipe 9, finned tube 9 and several groups fin 31 are in integrated setting, all wavy setting of every group of fin 31；Arbitrary neighborhood two About 20 crest location of group fin 31 is staggered certain distance setting, and the wave trough position 19 of two groups of fins 31 of arbitrary neighborhood is also upper and lower The certain distance that is staggered setting.

Embodiment two, as shown in figures 1-8, second purpose of the utility model are achieved in that including lateral setting The driving mechanism 27 for having feeding mechanism 23,23 exit supporting mechanism of feeding mechanism, cooperation supporting mechanism setting being set, feeding Mechanism 23 includes fixed bracket 24 and its finned tube delivery wheel 25 that is arranged on fixed bracket 24, finned tube delivery wheel 25 along Straight line is provided with several groups；Supporting mechanism is internally provided with fin roll mechanism 22 and its cooling body 29, supporting mechanism Two sides be additionally provided with postive stop baffle 21；Fin roll mechanism 22 exists including the upper rolling component 7 of 0 ° of position is arranged in, is arranged The left rolling component 6 of 120 ° of positions and its right rolling component 10 that 240 ° of positions are set；Upper rolling component 7, left rolling component 6 And its right setting of rolling component 10 is in the same plane；Fin roll mechanism 22 is connected by connecting rod 26 and driving mechanism 27 respectively It connects；Upper rolling component 7, left rolling component 6 and its right rolling component 10 respectively include axial trajectory 28, are arranged in axial trajectory 28 On pedestal 13, be arranged on pedestal 13 support device, be arranged beside support device pressing device 39 and setting support fill The rolling device 38 set；Pressing device 39 and rolling device 38 are arranged side by side, upper rolling component 7, left rolling component 6 and its right side Roll setting spaced apart between component 10；Rolling device 38 includes shaft 34 and its rolling knife being arranged in shaft 34 Tool 14 and its molding cutter 12；

Support device includes the hydraulic pressure cylinder assembly 37 being fixed on pedestal 13, and hydraulic pressure cylinder assembly 37 is provided with several groups, liquid It is provided with rolling device 38 on cylinder pressure component 37, rolling device 38 includes the support construction 35 of setting of being in U-shape, in support construction 35 It is provided with shaft 34, rolling bearing component 30 is provided between support construction 35 and shaft 34；The setting of pressing device 39 is supporting Before device；Pressing device 39 includes compressing the contact roller that hydraulic pressure cylinder assembly 33 and its cooperation compression hydraulic pressure cylinder assembly 33 are arranged 36。

Rolling cutter 14 is provided with several groups, and molding cutter 12 is additionally provided with several groups, and the setting of molding cutter 12 is rolling Behind cutter 14；Diameter successively becomes larger rolling cutter 14 from front to back, and the diameter of molding cutter 12 is successively constant；Adjacent rolls Be provided with positioning sleeve 15 between cutter 14 processed, adjacent molding cutter 12 is provided with positioning sleeve 15, adjacent rolling cutter 14 with Positioning sleeve 15 is provided between molding cutter 12；It is arranged in front of the rolling cutter 14 of front end and is provided with lock sleeve 16, if It sets and is additionally provided with lock sleeve 16 behind the molding cutter 12 of rearmost end.

Molding cutter 12 includes internal layer 2, middle layer 5 and outer layer 32；Internal layer 2 is in hollow round setting, middle layer 5 towards one Side is provided with protrusion 18, and middle layer 5 is arranged fluted 17 towards the other side；The two sides of outer layer 32 are respectively arranged with left boss 11 and the right side Boss 1；Left boss 11 is narrow close to one end of outer layer 32 in the setting of similar triangle, left boss 11 and right boss 1 with right boss 1 End 4, left boss 11 and right boss 1 are wide end 3 close to one end of middle layer 5；Left boss 11 and right boss 1 are with molding cutter 12 Center is that center of circle circular array is distributed in outer layer 32.

The utility model is realized in this way: base tube 8 is pressed onto finned tube 9 first by press machine, so that base tube 8 It is interference fitted between inner wall and the outer arm of finned tube 9；The outer base tube 8 for being surrounded by finned tube 9 is placed on feeding mechanism 23, is led to It crosses finned tube delivery wheel 25 base tube 8 is transported in fin roll mechanism 22, and opens and roll component 7, left rolling component 6, right rolling component 10 and its cooling body 29；Base tube 8 wait be set with unprocessed finned tube 9 enter upper rolling component 7, Between rolling device 38 inside left rolling component 6, right rolling component 10, first passes through and be separately positioned on rolling component 7, a left side is rolled Component 6 processed and its pressing device 39 of right 10 front of rolling component, pressing device 39 are controlled by compressing hydraulic pressure cylinder assembly 33 Contact roller 36 carries out comprehensive positioning compression 0 °, 120 ° and its 240 ° of position, while feeding mechanism 23 is constantly towards inside Convey base tube 8；When base tube 8 constantly enters upper rolling component 7, left rolling component 6, right rolling 10 inside of component, roll at this time 12 high speed rotational operation of cutter 14 and molding cutter processed；It is 0 °, 120 ° and its 240 ° of rolling knife being arranged up front first Tool 14 touches the finned tube 9 to be processed being set on base tube 8 at first, and then is rolled simultaneously in three angles, with sending Expect that mechanism 23 constantly carries out feeding, the finned tube 9 to be processed on base tube 8 towardss upper rolling component 7, a left side while rotate It is moved axially inside rolling component 6, right rolling component 10, then successively rolls knife by second group of rolling cutter 14 and its N group Tool 14；After successively being rolled by N group rolling cutter 14, the basic size rolled and its reach setting is had been completed at this time, Then processing and forming is carried out using the first composing type cutter 12, then successively ensures that the finned tube 9 on the pedestal adds by N group The wavy setting of work carries out burr using last composing type cutter 12；After processing for a long time, cutter is rolled 14 and molding cutter 12 be seriously worn；Then postive stop baffle 21 is removed, by pedestal 13, axially track 28 moves outwardly, It moves on to position and then dismantles rolling bearing component 30 and support construction 35, directly take out shaft 34, then change new shaft 34, then proceed to using；Old shaft 34 is changed in replacement rolling cutter 14 and molding cutter 12, needs to unclamp any one The lock sleeve 16 of side takes out rolling cutter 14 or molding cutter 12, then takes out positioning sleeve 15, successively takes out n-th rolling knife Tool 14 or n-th molding cutter 12；N is successively taken out again every positioning sleeve 15；New rolling cutter is successively changed in sequence 14 and molding cutter 12, then bearing assembly is installed in support construction 35, axially track 28 moves control pedestal 13 inwardly It is dynamic, it is moved to position at postive stop baffle 21 always；The left rolling for rolling component 7 on 0 ° of position, 120 ° of positions being arranged in is set Component 6 and its right rolling component 10 that 240 ° of positions are arranged in successively are replaced.

The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.

Claims (6)

1. a kind of finned tube, including base tube, which is characterized in that the periphery of the base tube is provided with finned tube, on the finned tube It is spaced a distance and is provided with several groups fin, the several groups fin is arranged along the axial direction of base tube, the several groups wing Piece is arranged on finned tube in the shape of a spiral from base tube one end to the base tube other end, and the finned tube and several groups fin are in integration Setting, all wavy setting of every group of fin；Be staggered certain distance setting above and below the crest location of two groups of fins of arbitrary neighborhood, appoints The also upper and lower certain distance setting that is staggered of the wave trough position of meaning two adjacent groups fin.

2. a kind of process units of finned tube according to claim 1, including be horizontally arranged with feeding mechanism, be arranged and giving Expect the driving mechanism of mechanism exit supporting mechanism, cooperation supporting mechanism setting, the feeding mechanism include fixed bracket and its Finned tube delivery wheel on fixed bracket is set, and the finned tube delivery wheel is provided with several groups along straight line；It is special Sign is that the supporting mechanism is internally provided with fin roll mechanism and its cooling body, and the two sides of the supporting mechanism are also set It is equipped with postive stop baffle；The fin roll mechanism includes the upper rolling component that 0 ° of position is arranged in, the left side that 120 ° of positions are arranged in Rolling component and its right rolling component that 240 ° of positions are set；The upper rolling component, left rolling component and its right rolling group Part is arranged in the same plane；The fin roll mechanism passes through connecting rod respectively and connect with driving mechanism；The upper rolling component, Left rolling component and its right rolling component respectively include axial trajectory, the pedestal that is arranged in axial trajectory, are set on the base Pressing device and the rolling device being arranged in support device beside support device is arranged in support device；The pressing device It is arranged side by side with rolling device, it is spaced apart between the upper rolling component, left rolling component and its right rolling component to set It sets；The rolling device includes shaft and its rolling cutter and its molding cutter that are arranged in shaft.

3. a kind of process units of finned tube according to claim 2, it is characterised in that: the support device includes fixing Hydraulic pressure cylinder assembly on pedestal, the hydraulic pressure cylinder assembly are provided with several groups, and rolling dress is provided on the hydraulic pressure cylinder assembly It sets, the rolling device includes the support construction of setting of being in U-shape, and is provided with shaft, the support construction in the support construction Rolling bearing component is provided between shaft；The pressing device is arranged in front of support device；The pressing device packet Include the contact roller for compressing hydraulic pressure cylinder assembly and its cooperation compression hydraulic pressure cylinder assembly setting.

4. a kind of process units of finned tube according to claim 2, it is characterised in that: if the rolling cutter is provided with Dry group, the molding cutter are additionally provided with several groups, and the molding cutter is arranged in behind rolling cutter；The rolling cutter Diameter successively becomes larger from front to back, and the diameter of the molding cutter is successively constant；Positioning is provided between adjacent rolling cutter Set, adjacent molding cutter are provided with positioning sleeve, are provided with positioning sleeve between adjacent rolling cutter and molding cutter；Setting exists It is provided with lock sleeve before the rolling cutter of front end, is arranged in behind the molding cutter of rearmost end and is additionally provided with locking Set.

5. a kind of process units of finned tube according to claim 2, it is characterised in that: the molding cutter includes interior Layer, middle layer and outer layer；The internal layer is provided with protrusion, the centre towards side in hollow round setting, the middle layer Layer is arranged fluted towards the other side；The two sides of the outer layer are respectively arranged with left boss and right boss；The left boss and the right side are convex Platform setting triangular in shape, the left boss and right boss are narrow end close to one end of outer layer, and the left boss and right boss are close One end of middle layer is wide end；The left boss and right boss are distributed in outer using the center of molding cutter as center of circle circular array Layer.

6. a kind of process units of finned tube according to claim 2 or 4, which is characterized in that the rolling cutter setting There are 38 groups, the molding cutter is provided with two groups.