CN101695726A - Cold machining molding process device of special tube for high-efficiency heat exchanger - Google Patents
Cold machining molding process device of special tube for high-efficiency heat exchanger Download PDFInfo
- Publication number
- CN101695726A CN101695726A CN200910184194A CN200910184194A CN101695726A CN 101695726 A CN101695726 A CN 101695726A CN 200910184194 A CN200910184194 A CN 200910184194A CN 200910184194 A CN200910184194 A CN 200910184194A CN 101695726 A CN101695726 A CN 101695726A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- universal joint
- support
- molding process
- process device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Forging (AREA)
Abstract
The invention relates to a cold machining molding process device of a special tube for a high-efficiency heat exchanger, comprising a bracket. The cold machining molding process device is characterized in that three working heads are arranged on the bracket, wherein at least one working head is provided with a rolling die for forming a thread lateral trough on the surface of a heat exchange tube, and the other two working heads are provided with support wheels for supporting the heat exchange tube; the rolling die and the support wheels are respectively connected with connecting shafts which drive the rolling die and the support wheels to rotate, wherein each connecting shaft is connected with a corresponding first universal joint which is connected with a second universal joint by a transmission shaft, the second universal joint is then connected with a turntable by a corresponding connecting rod, and the turntable is connected with a driving device; the front end of the heat exchange tube is supported on the support wheels and is automatically pushed ahead under the driving of the rolling die, and the tail end of the heat exchange tube passes through the center of the turntable and is then supported on a floating support. The invention has the advantages of simple structure, convenient manufacturing, high finished product ratio and continuous production.
Description
Technical field
The present invention relates to the cold-formed device of a kind of special type pipe, especially a kind of outer surface or surfaces externally and internally are threaded special type pipe cold-working molding method and tube-surface shaped device, specifically a kind of special tube for high-efficiency heat exchanger cold machining molding process device.
Background technology
As everyone knows, contact area is big more, the heat exchange effect is good more, therefore, in order to improve the heat exchange efficiency of heat exchanger tube, people have expected increasing the heat exchange effect by the method that increases its surface area, are a kind of effective ways that increase surface area changing heat exchanger tube surface increase annular or spiral groove, because the spirality emboss pit can connect processing, so the spirality emboss pit is the most common.At present in addition the method for thread-shaped emboss pit has rolling and two kinds of methods of roll extrusion, discloses several frequently seen processing method and device as Chinese patent ZL95118007X and ZL911062440 and " mechanical engineer " magazine its 8-9 page or leaf of calendar year 2001 the 5th.But according to the knowledge of the applicant, aforesaid several apparatus and method exist the length of the heat exchanger tube of complex structure, processing to be subjected to the influence of machine tool can not be very long, owing to being easy to make tube wall to produce distortion, scraps unbalance stress, the percent defective height, and at present in the engineering length of employed heat exchanger tube reach more than 20 meters, head and shoulders above the working ability of existing equipment, therefore the method for having to take to weld is solved, so not only have influence on the quality of changing heat exchanger tube, and increased processing cost.
Summary of the invention
The objective of the invention is the limited problem of complex structure, processing length that exists at existing heat exchanger tube surface emboss pit process equipment, design a kind of can be simple in structure and roll out the special tube for high-efficiency heat exchanger cold machining molding process device of the heat exchanger tube thread surface emboss pit of emboss pit continuously endless.
Technical scheme of the present invention is:
A kind of special tube for high-efficiency heat exchanger cold machining molding process device, can process screw thread emboss pit or T type conduit or process the screw thread emboss pit at tube outer surface at pipe internal surface, it comprises support 1, it is characterized in that being equipped with on the support 1 three working heads 17, the center line of three working heads 17 intersects on the axial line of heat exchanger tube 15, have at least one the roll die 8 that is used for forming on heat exchanger tube 15 surfaces the screw thread emboss pit is installed in three working heads 17, all the other be equipped with the bogie wheel 8 that is used to support heat exchanger tube 15 ', described roll die 8 links to each other with the connecting axle 10 that drives its rotation respectively with bogie wheel 8 ' (having the thread-shaped that matches with the spiral prominence groove supports), every connecting axle 10 all links to each other with corresponding first universal joint 11, first universal joint 11 links to each other with second universal joint 13 by power transmission shaft 12 again, second universal joint links to each other with rotating disk 14 by corresponding connecting rod again, rotating disk 14 links to each other with drive unit, the front end that changes heat exchanger tube 15 is bearing in bogie wheel 8 ' go up and push ahead automatically under the drive of roll die 8, the tail end of heat exchanger tube 15 passes to be bearing in to float behind rotating disk 14 centers and supports.
Described working head 17 is by overcoat 2, gland 3, locating shaft 4, screw rod lining 5, pushnut 6, thread bush 7 and installing rack 9 are formed, overcoat 2 is fixed on the support 1, thread bush 7 is fixed in the overcoat 2, pushnut 6 is installed in the thread bush 7, the thread segment spinning of locating shaft 4 is in pushnut 6, the other end of locating shaft 4 is bearing in the screw rod lining 5 and stretches out outside the screw rod lining 5, screw rod lining 5 is fixed on the gland 3, gland 3 is fixed on the end face or support 1 of overcoat 2, one end of installing rack 9 insert in the thread bush 7 and spinning on the thread segment of locating shaft 4, the other end of installing rack 9 stretch out thread bush 7 outer and be provided with install roll die 8 or bogie wheel 8 ' installing hole; Locating shaft 4 stretches out on the end of screw rod lining 5 regulating handle is installed.
Three connecting rods that link to each other with three second universal joints 13 are distributed on the concentric circles on the rotating disk 14.
Angle between the axial line of described three working heads 17 is 120 degree.
Beneficial effect of the present invention:
The present invention is simple in structure, makes easy for installationly, can link to each other with various power set.
The present invention processes to indefinite length the special type pipe that has the spiral prominence groove continuously, need not to weld to process the heat exchanger tube that changes that meets engine request length.
The present invention has adopted the support wheel identical with the spiral prominence groove that processes to support, and the heat exchanger tube Area of bearing is big, thereby stressed even, not yielding.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1.
A kind of special tube for high-efficiency heat exchanger cold machining molding process device, comprise support 1, three working heads 17 are installed on the support 1, angle between the axial line of three working heads 17 is 120 degree, as shown in Figure 1, the center line of three working heads 17 intersects on the axial line of heat exchanger tube 15, have at least one the roll die 8 that is used for forming on heat exchanger tube 15 surfaces screw thread volume groove is installed in three working heads 17, all the other be equipped with the bogie wheel 8 that is used to support heat exchanger tube 15 ', bogie wheel 8 ' shape and 8 of roll dies coupling or identical to improve Area of bearing, guarantee that heat exchanger tube is stressed evenly, improve yield rate.Described roll die 8 and bogie wheel 8 ' be installed in respectively on the connecting axle 10 that drives its rotation and and fix by nut 16, every connecting axle 10 all links to each other with corresponding first universal joint 11, first universal joint 11 links to each other with second universal joint 13 by power transmission shaft 12 again, second universal joint links to each other with rotating disk 14 by corresponding connecting rod again, rotating disk 14 links to each other with drive unit, three connecting rods that link to each other with three second universal joints 13 are distributed on the concentric circles on the rotating disk 14, as shown in Figure 2.The front end of heat exchanger tube 15 is bearing in bogie wheel 8 ' go up and push ahead automatically under the drive of roll die 8, the tail end of heat exchanger tube 15 passes to be bearing in to float behind rotating disk 14 centers and supports.During concrete enforcement, working head 17 can be by overcoat 2, gland 3, locating shaft 4, screw rod lining 5, pushnut 6, thread bush 7 and installing rack 9 are formed, overcoat 2 is fixed on the support 1, thread bush 7 is fixed in the overcoat 2, pushnut 6 is installed in the thread bush 7, the thread segment spinning of locating shaft 4 is in pushnut 6, the other end of locating shaft 4 is bearing in the screw rod lining 5 and stretches out outside the screw rod lining 5, screw rod lining 5 is fixed on the gland 3, gland 3 is fixed on the overcoat 2, one end of installing rack 9 insert in the thread bush 7 and spinning on the thread segment of locating shaft 4, the other end of installing rack 9 stretch out thread bush 7 outer and be provided with install roll die 8 or bogie wheel 8 ' installing hole; Locating shaft 4 stretches out on the end of screw rod lining 5 regulating handle is installed, and when specifically implementing, gland 3 can link to each other with the end face of overcoat 2, also can directly link to each other with support 1.
During concrete the use can according to the difference of heat exchange tube diameter adjust roll die 8 and bogie wheel 8 ' distance, promptly by rotational positioning axle 4, installing rack 9 is moved along axis in thread bush 7, thereby realize the adjustment of distance, roll die 8 of the present invention and bogie wheel 8 ' be installed in by bearing in the installing hole of installing rack 9 lower ends, can change according to caliber and the different of thread size, only need unclamp clamp nut 16 during replacing and it is taken off from connecting axle get final product.
The prior aries that maybe can adopt all same as the prior art such as drive unit of part that the present invention does not relate to such as rotating disk 14 are realized.
Claims (4)
1. special tube for high-efficiency heat exchanger cold machining molding process device, comprise support (1), it is characterized in that being equipped with on the described support (1) three working heads (17), the center line of three working heads (17) intersects on the axial line of special type pipe (15), have at least one the roll die (8) that is used for forming on pipe (15) surface the screw thread emboss pit is installed in three working heads (17), all the other are equipped with the bogie wheel (8 ') that is used for support column (15), described roll die (8) links to each other with the connecting axle (10) that drives its rotation respectively with bogie wheel (8 '), every connecting axle (10) all links to each other with corresponding first universal joint (11), first universal joint (11) links to each other with second universal joint (13) by power transmission shaft (12) again, second universal joint links to each other with rotating disk (14) by corresponding connecting rod again, rotating disk (14) links to each other with drive unit, the front end of pipe (15) is bearing in bogie wheel (8 ') and goes up and push ahead automatically under the drive of roll die (8), is bearing on the sliding support after the tail end of pipe (15) passes rotating disk (14) center.
2. special tube for high-efficiency heat exchanger cold machining molding process device according to claim 1, it is characterized in that described working head (17) is by overcoat (2), gland (3), locating shaft (4), screw rod lining (5), pushnut (6), thread bush (7) and installing rack (9) are formed, overcoat (2) is fixed on the support (1), thread bush (7) is fixed in the overcoat (2), pushnut (6) is installed in the thread bush (7), the thread segment spinning of locating shaft (4) is in pushnut (6), the other end of locating shaft (4) is bearing in the screw rod lining (5) and stretches out outside the screw rod lining (5), screw rod lining (5) is fixed on the gland (3), gland (3) is fixed on overcoat (2) or the support (1), one end of installing rack (9) inserts in the thread bush (7), and the other end of installing rack (9) stretches out outside the thread bush (7) and is provided with the installing hole that roll die (8) or bogie wheel (8 ') are installed; Locating shaft (4) stretches out on the end of screw rod lining (5) regulating handle is installed.
3. special tube for high-efficiency heat exchanger cold machining molding process device according to claim 1 is characterized in that three connecting rods that link to each other with three second universal joints (13) are distributed on the concentric circles on the rotating disk (14).
4. the continuous roll forming device of tube-surface screw thread emboss pit according to claim 1 is characterized in that the angle between the axial line of described three working heads (17) is 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184194A CN101695726A (en) | 2009-08-26 | 2009-08-26 | Cold machining molding process device of special tube for high-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910184194A CN101695726A (en) | 2009-08-26 | 2009-08-26 | Cold machining molding process device of special tube for high-efficiency heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101695726A true CN101695726A (en) | 2010-04-21 |
Family
ID=42140872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910184194A Pending CN101695726A (en) | 2009-08-26 | 2009-08-26 | Cold machining molding process device of special tube for high-efficiency heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101695726A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2037323A1 (en) * | 1969-08-11 | 1971-03-18 | Int Standard Electric Corp | Method and apparatus for the manufacture of transverse corrugations in a tubular component |
| US3606780A (en) * | 1967-11-28 | 1971-09-21 | Kichisaburo Nagahara | Method for manufacturing helical pipe for heat exchangers |
| US3611772A (en) * | 1969-09-29 | 1971-10-12 | Barber Colman Co | Apparatus for rolling toothed parts |
| CN1146935A (en) * | 1996-05-15 | 1997-04-09 | 华南理工大学 | Rolling apparatus and technique for multi-start spirally grooved tube and axial grooved tube |
| CN2710786Y (en) * | 2004-07-13 | 2005-07-20 | 孙建平 | Equipment for mfg. corrugated pipe and contraction and enlargement pipe |
| CN2753484Y (en) * | 2004-08-31 | 2006-01-25 | 锦州秀亭制管有限公司 | Thin-wall stainless steel triple spiral groove pipe forming machine |
| JP2010010808A (en) * | 2008-06-24 | 2010-01-14 | Nikon Corp | Image input device |
-
2009
- 2009-08-26 CN CN200910184194A patent/CN101695726A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3606780A (en) * | 1967-11-28 | 1971-09-21 | Kichisaburo Nagahara | Method for manufacturing helical pipe for heat exchangers |
| DE2037323A1 (en) * | 1969-08-11 | 1971-03-18 | Int Standard Electric Corp | Method and apparatus for the manufacture of transverse corrugations in a tubular component |
| US3611772A (en) * | 1969-09-29 | 1971-10-12 | Barber Colman Co | Apparatus for rolling toothed parts |
| CN1146935A (en) * | 1996-05-15 | 1997-04-09 | 华南理工大学 | Rolling apparatus and technique for multi-start spirally grooved tube and axial grooved tube |
| CN2710786Y (en) * | 2004-07-13 | 2005-07-20 | 孙建平 | Equipment for mfg. corrugated pipe and contraction and enlargement pipe |
| CN2753484Y (en) * | 2004-08-31 | 2006-01-25 | 锦州秀亭制管有限公司 | Thin-wall stainless steel triple spiral groove pipe forming machine |
| JP2010010808A (en) * | 2008-06-24 | 2010-01-14 | Nikon Corp | Image input device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204276766U (en) | For the externally threaded milled head of rolled tube and equipment thereof | |
| CN103143604B (en) | Rolling and forming device for ring-shaped groove on inner wall of pipe product | |
| CN201470739U (en) | Special-type pipe cold working forming process device for efficient heat exchanger use | |
| CN102513460A (en) | Steel pipe end sizing mill assembly with diameter expanding function | |
| CN102626734A (en) | Spiral flat pipe roll forming machine for heat exchanging equipment | |
| WO2018108105A1 (en) | Rolled pipe thread processing method, rolling head, apparatus, module, production line, and product thereof | |
| CN104339151A (en) | Automatic variable-pitch mechanism for center distance of double-shaft tightening machine | |
| CN202447545U (en) | Diameter expanding type sizing mill for steel pipe end | |
| CN100369693C (en) | Composite device and method for preparation of bimetal composite tube | |
| CN201880810U (en) | Pipe end bottleneck type necking mould for pipes | |
| CN114178452A (en) | Seamless steel tube radial forging equipment and forging method thereof | |
| CN201380227Y (en) | Internal thread pipe mold processing | |
| CN101695726A (en) | Cold machining molding process device of special tube for high-efficiency heat exchanger | |
| CN219188258U (en) | Shaping wave reducer with adjustable metal corrugated pipe online operation | |
| CN202002532U (en) | Special-shaped heat exchange tube | |
| CN116441827A (en) | Special-shaped roller welding repair device and use method | |
| CN102581546A (en) | Edge knurling machine for aluminum shock tube sections | |
| CN2540251Y (en) | Gastor carriage for preventing tubular work axial moving | |
| CN216747573U (en) | Rotary roller way for automatic ultrasonic eddy current flaw detection of seamless steel pipe | |
| CN214266566U (en) | One-step method heat preservation pipe working pipe clamping and centering device | |
| CN115608806A (en) | Stainless steel welded pipe coiling machine on continuous line | |
| CN105382652A (en) | Machining device for end opening of PVC pipe | |
| CN103331349B (en) | Preparation device and method of oval spiral flat pipe | |
| CN201768794U (en) | Rolling thread tank pipe mill | |
| CN204817596U (en) | Novel multi -functional single roller veneer reeling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100421 |