CN206732001U - A kind of rolling device of heat exchanger internally spiral heat-exchanging tube core - Google Patents
A kind of rolling device of heat exchanger internally spiral heat-exchanging tube core Download PDFInfo
- Publication number
- CN206732001U CN206732001U CN201720548386.9U CN201720548386U CN206732001U CN 206732001 U CN206732001 U CN 206732001U CN 201720548386 U CN201720548386 U CN 201720548386U CN 206732001 U CN206732001 U CN 206732001U
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- China
- Prior art keywords
- pressure roller
- servo motor
- leading screw
- frame base
- heat exchanger
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Abstract
It the utility model is related to a kind of rolling device of heat exchanger internally spiral heat-exchanging tube core, which solve be currently used for spiral heat exchange tube rolling machine accuracy it is low, in-convenience in use, the technical problem of low production efficiency, it includes body, roller, main shaft speed-down servo motor, feed servo motor, leading screw, nut seat, pressure roller frame base, pressure roller framework, cylinder, pressure roller, two guide rails, touch control screen and master controller；The both ends of roller are connected by bearing block with body, and main shaft speed-down servo motor is connected by one end of transmission mechanism and roller；The both ends of leading screw are connected by bearing block with body, the output shaft of feed servo motor is connected by transmission mechanism with leading screw, nut seat is connected with leading screw, pressure roller frame base is fixedly connected with nut seat, pressure roller framework is connected with pressure roller frame base, pressure roller is connected with pressure roller framework, and cylinder is connected between pressure roller frame base and pressure roller framework, and two guide rails are connected on body side by side.The utility model is widely used in rolling for spiral heat exchange tube.
Description
Technical field
Spiral winding tube type heat exchanger technical field is the utility model is related to, in particular to spiral shell in a kind of heat exchanger
The rolling device of rotation heat exchange tube core.
Background technology
Screw pipe heat exchanger is made up of core body and housing two parts, and core body is mainly made up of spiral heat exchange tube,
Housing is made up of cylinder and end socket etc., and upper low head respectively sets two openings.It is in CN204866968U with reference to Authorization Notice No.
State's utility model patent, spiral heat exchange tube are existing to exist around pipe machine and accurately control by being machined into around pipe
The technological deficiency of the shape of helix, it additionally, there are to the number of plies of spiral stainless steel tube and roll diameter and calculate comparatively laborious, make
With inconvenience, low production efficiency.
The content of the invention
The utility model be exactly in order to solve to be currently used for the rolling machine accuracy of spiral heat exchange tube it is low, using not side
Just, the technical problem of low production efficiency, there is provided the heat exchanger inside spin that a kind of precision is high, easy to use, production efficiency is high changes
The rolling device of heat tube core.
The technical solution of the utility model is to provide a kind of rolling device of heat exchanger internally spiral heat-exchanging tube core, including machine
Body, roller, main shaft speed-down servo motor, feed servo motor, leading screw, nut seat, pressure roller frame base, pressure roller framework, column,
Flat axle, cylinder, pressure roller, the first guide rail and the second guide rail；The both ends of roller are connected by bearing block with body, main shaft speed-down servo
Motor is connected by one end of transmission mechanism and roller；The both ends of leading screw are connected by bearing block with body, feed servo motor
Output shaft be connected by transmission mechanism with leading screw, nut seat is connected with leading screw；
Pressure roller frame base is fixedly connected with nut seat, and column is fixedly connected with pressure roller frame base, and flat axle is consolidated with column
Fixed connection, the both sides of pressure roller framework are respectively equipped with regulation circular hole, and flat axle connects through regulation circular hole, cylinder with pressure roller frame base
Connect, pressure roller is connected with the front end of pressure roller framework, and the piston rod of cylinder is connected with the rear end of pressure roller framework；First guide rail and second is led
Rail is connected on body side by side, and pressure roller frame base is connected with the first rolling bearing and the second rolling bearing by shaft extension, and first
Rolling bearing and the second rolling bearing are respectively supported on the first guide rail and the second guide rail；The circumference of pressure roller is provided with thread groove.
Preferably, the transmission mechanism between main shaft speed-down servo motor and roller includes chain, chuck and two sprocket wheels, chain
Bar is connected between two sprocket wheels, the output axis connection of one of sprocket wheel and main shaft speed-down servo motor；Another sprocket wheel
Sprocket shaft is connected by bearing block with body, chuck and the sprocket wheel axis connection；The end face of one end of roller is provided with circular hole, chuck
On be connected with round guide pillar, circle guide pillar insertion circular hole, the output shaft of feed servo motor passes through synchronous belt drive mechanism and connected with leading screw
Connect.
Preferably, in addition to touch control screen and master controller, touch control screen with and master controller be connected, main shaft slows down
Servomotor and feed servo motor are connected with master controller respectively.
The beneficial effects of the utility model are to realize automation coiling, and easy to operate, production efficiency is high, can accurately control
Helix processed, heat exchange tube pitch, heat exchange interlamellar spacing, have and are changed according to various heat exchange amount, various outer diameter, different total lengths, difference
The heat exchanger requirement in heat pipe footpath, obtains optimal case, Instructing manufacture, avoids the calculating process of complexity automatically.
The utility model further feature, by the description of detailed description below, it is clearly stated that.
Brief description of the drawings
Fig. 1 is the front view of heat exchanger；
Fig. 2 is the structural representation of spiral heat exchange tube core (three layers)；
Fig. 3 is the structural representation of individual layer spiral heat exchange tube；
Fig. 4 is the schematic diagram of heat exchange tube pitch；
Fig. 5 is the structural representation of rolling device；
Fig. 6 is the structural representation of rolling device；
Fig. 7 is the connection diagram of pressure roller frame base and the guide rail on body；
Fig. 8 is the schematic diagram that roller is connected by chuck with sprocket wheel；
Fig. 9 is the schematic diagram of control system；
The man-machine interface of Figure 10 touch control screens；
Figure 11 is the flow chart of method for coiling.
Symbol description in figure：
1. housing, 2. spiral heat exchange tube cores, 3. heating medium entrances, the outlet of 4. heating mediums, 5. are heated fluid intake,
6. it is heated fluid issuing；7. body, 8. rollers, 8-1. circular holes, 9. pressure rollers, 10. pressure roller frameworks, 11. bearing blocks, 12. touch
Control flow, 13. sprocket wheels, 13-1. chucks, 13-2. circle guide pillars, 14. chains, 15. main shaft speed-down servo motors, 16. feed servos
Motor, 17. synchronous belt drive mechanisms, 18. leading screws, 19. nut seats, 20. cylinders, 21. pressure roller frame bases, 22. first guide rails,
23. the second guide rail, 24. first rolling bearings, 25. second rolling bearings, 26. columns, 27. flat axles, 28. regulation circular holes, 31. masters
Controller.
Embodiment
Referring to the drawings, the utility model is described in further detail with specific embodiment.
As shown in Figure 1-2, heat exchanger includes housing 1, and the spiral heat exchange tube core 2 of three-decker is installed in housing 1.Housing 1
It is provided with heating medium entrance 3, heating medium outlet 4, is heated fluid intake 5 and heated fluid issuing 6.
As viewed in figures 5-8, the rolling device of spiral heat exchange tube core includes body 7, roller bearing seat 11, main shaft speed-down servo
Motor 15, feed servo motor 16, touch control screen 12 and master controller are arranged on body 7, one end of roller 8 and drum shaft
Bearing 11 connects, and the end face of the other end is provided with three circular hole 8-1.The sprocket shaft of sprocket wheel 13 is arranged on body 7 by bearing block
On, the sprocket shaft of sprocket wheel 13 is connected with chuck 13-1, and three round guide pillar 13-2 are connected with chuck 13-1.Three round guide pillar 13-2
Three circular hole 8-1 of insertion carry out matching connection.The output shaft of main shaft speed-down servo motor 15 is connected with sprocket wheel, and the sprocket wheel passes through chain
Bar 14 is connected with sprocket wheel 13.The both ends of leading screw 18 are connected by bearing block with body 7, and the output shaft of feed servo motor 16 passes through
Synchronous belt drive mechanism 17 is connected with leading screw 18, and nut seat 19 is connected with leading screw 18.
Pressure roller frame base 21 is fixedly connected with nut seat 19, and column 26 is fixedly connected with pressure roller frame base 21, flat axle
27 are fixedly connected with column 26, and the both sides of pressure roller framework 10 are respectively equipped with regulation circular hole 28, and flat axle 27 passes through regulation circular hole 28.Two
Individual cylinder 20 is arranged on pressure roller frame base 21.Pressure roller 9 is connected with the front end of pressure roller framework 10, the piston rod and pressure of cylinder 20
The rear end connection of roller framework 10.First guide rail 22 and the second guide rail 23 are mounted side by side on body 7, and pressure roller frame base 21 passes through
Shaft extension is connected with two the first rolling bearings 24 and two the second rolling bearings 25, two the first rolling bearings 24 and two second
Rolling bearing 25 is respectively supported on the first guide rail 22 and the second guide rail 23.Two guide rails can ensure pressure roller framework 10 and pressure roller
The stability of 9 movements, be advantageous to improve the product quality processed.
The circumference of pressure roller 9 is provided with several thread grooves.
The piston rod of cylinder 20 is stretched out upwards, and using lever principle, the front end band dynamic pressure roller 9 of pressure roller framework 10 is pressed downward,
The admission pressure of cylinder 20 is adjustable, completes compacting and flexural deformation of the pressure roller 9 to heat exchanger tube on roller 8；Flat axle 27 is being adjusted
Translated in circular hole 28, adjustable pressure roller 9 forward extends out length, to adapt to the demand of different-diameter roller.
Feed servo motor 16 drives leading screw 18 to rotate by synchronous belt drive mechanism 17, and nut seat 19 moves.Spiral shell
With dynamic pressure roller frame base 21, by four rolling bearings, the left and right in two guide rails moves back and forth female seat 19.
As shown in figure 9, touch control screen 12 is connected with master controller 31, main shaft speed-down servo motor 15 passes through servo-drive
Device is connected with master controller 31.Feed servo motor 16 is connected by motor servo driver with master controller 31.
As shown in Figure 10, have in the man-machine interface of touch control screen 12 left reset button, right reset button, start button,
Stop button etc..Can be inputted in the man-machine interface of touch-screen heat exchange area, heat exchanger total length, heat exchanger external diameter, outside heat exchanger tube
The information such as footpath, heat exchange tube pitch, heat exchanger tube interlamellar spacing, heat exchanger tube radical.
Operator after start is powered, is entered when using the rolling device in the left side parameter assignment region of touch control screen 12
Row data input, the program in master controller 31 carry out calculating optimal case according to the data of input, and in touch control screen
12 right side displays roll scheme prompt message (since innermost layer).Operator is according to the rolling of the corresponding external diameter of Scheme Choice of display
Cylinder is arranged on body.Spiral is rolled for the 1st layer since the roller of minimum diameter, and roller is according to the arrow meaning side in Fig. 7
To rotation, leading screw 18 rotates according to left-hand screw mode, makes pressure roller frame base 21 as nut seat 19 is from left end as shown in Figure 6
It is moved to right-hand member.When rolling the 2nd layer, leading screw 18 rotates according to right-hand screw mode, makes pressure roller frame base 21 with nut seat 19
Left end is moved to from right-hand member as shown in Figure 6.After the completion of the left side supplemental characteristic input of touch control screen 12, around the 1st layer when, successively
Click on " left back to zero " --- " beginning ", carry out coiling；Roller is finished changing by the 2nd layer of diameter of cylinder prompting after end, is clicked on successively
" right back to zero " --- " beginning ", coiling is carried out, repeat said process, rolled until completing outermost layer, and without next layer of prompting
During information, terminate coiling.
Operator rolls scheme according to odd-levels such as given first layer, third layer, selects the roller of corresponding external diameter to pass through
Chuck and bearing block are arranged on body, and the more stainless steel heat exchange tubes for needing to roll are conveyed to roller by pipe-conveying device, will
More heat exchanger tubes are fixed on the left end (at the sprocket wheel 13) of roller with clamp, 90 degree of manual bending, afterwards point operation control pressure roller
Framework 10 to left end, regulation framework extension elongation makes the thread groove of pressure roller 9 block each heat exchanger tube and is pressed in roller centerline,
Cylinder pressure is set, clicks on start button, roller is driven by sprocket wheel to be rotated, and is coordinated the translation from left to right of pressure roller framework, is completed
The accurate of heat exchanger tube rolls, and is automatically stopped.After one layer rolls completion shutdown, roller is removed manually, by spiral helicine heat exchanger tube
Back off.Operator rolls scheme according to the given second layer, the even level such as the 4th layer, and more heat exchanger tubes are fixed on into rolling with clamp
The right-hand member of cylinder, roller rotation coordinate the translation from right to left of pressure roller framework, and completion rolls work.
As shown in figure 11, the method for coiling of spiral heat exchange tube core is as follows：
Step 1, in the total heat-transfer surface of spiral heat exchange tube core of the left side parameter assignment region input heat exchanger of touch control screen 12
Product S0, heat exchanger principal length L0, heat exchanger outer diameter D0, heat exchange caliber d, heat exchange tube pitch σ, heat exchanger tube interlamellar spacing δ.Heat exchanger tube
Footpath d refers to external diameter.Exchange heat ligament τ=δ-d.
Step 2, i-th layer of heat exchanger tube radical N is inputted in the left side parameter assignment region of touch control screen 12i.I is since 1.
Step 3, the program in master controller 31 calculates i-th layer of helical pitch P according to following formula (1)i：
Pi=Niσ (1)
I-th layer of diameter of cylinder D is calculated according to following formula (2)i：
Di+1=Di+δ+d (2)
Define the 1st layer of diameter of cylinder D1=A.According to current rolling technology requirement, Di>=70mm, i.e., minimum roller are straight
Footpath cannot be less than 70mm, that is, A >=70mm.
Step 4, the tip lengths for defining spiral heat exchange tube core are Ld, LdTake empirical value (200mm~250mm).According to following
Formula (3), which calculates, rolls partial-length Lj：
L0=Lj+2Ld (3)
Step 5, i-th layer of heat exchanger tube number of turn Z is calculated according to following formula (4)i, that is, the number of turns of main shaft rotation.
Lj=(Zi+1)Pi (4)
When digit after decimal point occurs in result of calculation, rounded up.
Step 6, delay waits.
Step 7, determine whether that left reset button or right reset button are pressed, if left reset button is pressed,
Into step 8, if right reset button is pressed, into step 9.Roll the odd-levels such as first layer, third layer or layer 5
When, operator should be by bottom left reset button.When rolling the odd-levels such as the second layer, the 4th layer or layer 6, operator should be by bottom right
Reset button.
Step 8, master controller 31 controls feed servo motor 16 to rotate, and feed servo motor 16 passes through toothed belt transmission machine
Structure 17 drives leading screw 18 to rotate, and nut seat 19 is moved to high order end in Fig. 6, leading screw 18 is back at left-handed coiling zero point, pressure roller
Frame base 21 is moved to high order end with nut seat 19.Subsequently into step 10.
Step 9, master controller 31 controls feed servo motor 16 to rotate, and feed servo motor 16 passes through toothed belt transmission machine
Structure 17 drives leading screw 18 to rotate, and nut seat 19 is moved to low order end in Fig. 6, leading screw 18 is back at dextrorotation coiling zero point, pressure roller
Frame base 21 is moved to low order end with nut seat 19.
Step 10, main shaft back to zero process, master controller 31 control main shaft speed-down servo motor 15 to rotate, make the chain of sprocket wheel 13
Wheel shaft returns to initial position.
Step 11, the display of the right side of touch control screen 12 needs to place the radical N of heat exchanger tubeiWith the diameter D of rolleri.Operator
By corresponding roller be arranged on roller bearing seat 11 and with the chuck 13-1 of the sprocket wheel axis connection of sprocket wheel 13, by corresponding radical
Heat exchanger tube is fixed on roller with clamp, and the thread groove of pressure roller 9 is blocked into each heat exchanger tube.
Step 12, delay waits.
Step 13, judge whether start button is pressed, if it is, into step 14, otherwise return to step 12.
Step 14, twin shaft cooperation winding process：The driving drum of main shaft speed-down servo motor 15 rotates, meanwhile, feed servo
Motor 16 drives the synchronizing moving of pressure roller 9 of the front end of pressure roller framework 10.
Step 15, when pressure roller 9 moves LjApart from when main shaft speed-down servo motor 15 and feed servo motor 16 stop turning
It is dynamic.
Step 16, coiling heat exchange area S is calculated according to following formula (5)：
In formula (5), SiI-th layer of total heat exchange area is represented, it is calculated according to formula (6)：
M is natural number, and π is pi.
Step 17, S is judged whether0- S≤0, if it is, into step 18, step 2 is otherwise jumped to, carry out next layer
Heat exchanger tube rolls.
Step 18, terminate.
It is described above to be not limited to the utility model only to preferred embodiment of the present utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.
Claims (3)
1. a kind of rolling device of heat exchanger internally spiral heat-exchanging tube core, it is characterised in that slow down including body, roller, main shaft and watch
Take motor, feed servo motor, leading screw, nut seat, pressure roller frame base, pressure roller framework, column, flat axle, cylinder, pressure roller,
One guide rail and the second guide rail；The both ends of the roller are connected by bearing block with body, and the main shaft speed-down servo motor passes through
One end of transmission mechanism and roller connects；The both ends of the leading screw are connected by bearing block with body, the feed servo motor
Output shaft be connected by transmission mechanism with leading screw, nut seat is connected with leading screw；
The pressure roller frame base is fixedly connected with nut seat, and column is fixedly connected with pressure roller frame base, and flat axle is consolidated with column
Fixed connection, the both sides of the pressure roller framework are respectively equipped with regulation circular hole, and flat axle passes through regulation circular hole, the cylinder and pressure roller framework
Base is connected, and the pressure roller is connected with the front end of pressure roller framework, and the piston rod of the cylinder is connected with the rear end of pressure roller framework；The
One guide rail and the second guide rail are connected on body side by side, and pressure roller frame base is connected with the first rolling bearing and second by shaft extension
Rolling bearing, the first rolling bearing and the second rolling bearing are respectively supported on the first guide rail and the second guide rail；The circumference of pressure roller
It is provided with thread groove.
2. the rolling device of heat exchanger internally spiral heat-exchanging tube core according to claim 1, it is characterised in that the main shaft subtracts
Transmission mechanism between fast servomotor and roller includes chain, chuck and two sprocket wheels, and chain is connected between two sprocket wheels,
The output axis connection of one of sprocket wheel and main shaft speed-down servo motor；The sprocket shaft of another sprocket wheel passes through bearing block and body
Connection, chuck and the sprocket wheel axis connection；The end face of one end of roller is provided with circular hole, and round guide pillar, circle guide pillar are connected with chuck
Circular hole is inserted, the output shaft of feed servo motor is connected by synchronous belt drive mechanism with leading screw.
3. the rolling device of heat exchanger internally spiral heat-exchanging tube core according to claim 1 or 2, it is characterised in that also include
Touch control screen and master controller, the touch control screen with and master controller be connected, the main shaft speed-down servo motor and enter
It is connected respectively with master controller to servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548386.9U CN206732001U (en) | 2017-05-17 | 2017-05-17 | A kind of rolling device of heat exchanger internally spiral heat-exchanging tube core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548386.9U CN206732001U (en) | 2017-05-17 | 2017-05-17 | A kind of rolling device of heat exchanger internally spiral heat-exchanging tube core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206732001U true CN206732001U (en) | 2017-12-12 |
Family
ID=60566181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720548386.9U Expired - Fee Related CN206732001U (en) | 2017-05-17 | 2017-05-17 | A kind of rolling device of heat exchanger internally spiral heat-exchanging tube core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206732001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931385A (en) * | 2017-12-22 | 2018-04-20 | 新乡市振英机械设备有限公司 | A kind of making frock of Shaftless spiral blade |
-
2017
- 2017-05-17 CN CN201720548386.9U patent/CN206732001U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931385A (en) * | 2017-12-22 | 2018-04-20 | 新乡市振英机械设备有限公司 | A kind of making frock of Shaftless spiral blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200517 |