CN102019321A - Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill - Google Patents
Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill Download PDFInfo
- Publication number
- CN102019321A CN102019321A CN 201010524223 CN201010524223A CN102019321A CN 102019321 A CN102019321 A CN 102019321A CN 201010524223 CN201010524223 CN 201010524223 CN 201010524223 A CN201010524223 A CN 201010524223A CN 102019321 A CN102019321 A CN 102019321A
- Authority
- CN
- China
- Prior art keywords
- press section
- cutter
- finned tube
- main shaft
- shaping area
- 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
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention relates to an integral spiral finned tube rolling cutter and an integral spiral finned tube rolling mill using the same. The traditional integral spiral finned tube rolling cutter comprises a main shaft and multiple sets of blades which are sleeved outside the main shaft, are vertical to the axial lead of the main shaft and are arranged in parallel. When in use, the axial lead of the cutter and the axial lead of a workpiece need to be installed at a certain angle to process and shape a finned tube, and thus, the cutter bears a big axial force and is extremely easy to damage. In the invention, the integral spiral finned tube rolling cutter is spirally provided with an extrusion part on the outer surface of a cutter body according to the technological requirements on the workpiece to be processed to extrude metal to make the metal form a fin; when in use, the cutter and a pipe blank are arranged in parallel, thereby greatly reducing the axial force between the cutter and the pipe blank so that the cutter is not easy to break and the service life of the cutter is obviously prolonged, whereas the rolling mill using the cutter can greatly improve the rotate speed of rolling, is extremely convenient to install and debug, saves time and labor and can improve the production efficiency.
Description
Technical field
The present invention relates to the Machining Technology field, be specifically related to a kind of one-piece auger finned tube rolling cutter and one-piece auger finned tube roller mill.
Background technology
Finned tube is as heat exchange, heat dissipation element extensive use in numerous industries such as oil, chemical industry, refrigeration, metallurgy.Finned tube mainly is to improve heat exchanger effectiveness by increasing heat conducting area, existing finned tube is all done spirality usually, and it can be adopted method, the folding method that embeds of the method for twining, embedding and be embedded the method for welding and metal tube welds together and makes by sheet metal strip, good heat conductivity.This method is not eliminated the gap of two body junctions well, this gap is the key that hinders heat exchange, its heat exchanger effectiveness of finned tube that therefore this method is produced is on the low side always, the thermal coefficient of expansion difference that in addition can't overcome reel stress and two bodies causes the gap to increase gradually until two bodies separating, thereby the service life of finned tube is also short.Adopt the method that embeds welding, though use the titanium valve slugging better than ratio-frequency welding, with high costs, complex process, the problem of gap resistance simultaneously still exists.
The one-piece auger finned tube is directly at metal tube surface rolling helical fin, and fin itself is exactly the part of metal tube, do not have the problem in welding and gap, thereby this finned tube more and more is subjected to people's favor.In the prior art, normal three rollers that adopt of the production of integrally finned tubes revolve the technology of rolling, and its principle as shown in Figure 1.In the manufacture process, pipe (1 ') advances on the following rotation of the drive limit of lipper (2 '), and the pass that groove between the blade (3 ') on the lipper and plug (4 ') are formed makes pipe (1 ') be processed into finned tube (5 ') gradually.The characteristics of this deformation process are: periodicity is processed repeatedly and distortion concentrates on the surface.The last any point metal of rolled piece (being pipe) whenever rotates a circle, and each contacts once with three lippers, and therefore three processing that promptly whenever rotate a circle and stand lipper can obtain very big deflection.And when pipe radially was compressed, metal was subjected to the restriction of lipper shape, to the axial flow difficulty, was forced to the blade section Radial Flow of lipper, and fin is increased, thereby formed finned tube.
The processing of the one-piece auger finned tube of prior art normally adopts a plurality of detachable annular blades (3 ') to be sleeved on the main shaft (6 ') of lipper with lipper, between blade (3 ') and the blade (3 ') with keeper (7 ') fixing and blade (3 ') perpendicular to the axis parallel arrangement of main shaft (6 ').The one-piece auger finned tube is in process, and pipe is moved forward by the axial force drive of lipper will on the one hand, must be subjected to the radial compression of lipper that the fin on pipe surface is increased on the one hand.Therefore non-parallel relation also between the axial line of lipper and pipe, but mutually at an angle.Also just because of this, lipper in use is subjected to axial force bigger, if select inserted tool then very easily cracked, not only processing effect is not good enough but also the service life of lipper is also very short and select softer cutter.In addition, the angle between three lippers needs debug time-consuming taking a lot of work repeatedly according to the technological requirement of processing pipe.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art a kind of improved one-piece auger finned tube rolling cutter is provided, and this cutter can adopt the higher material of hardness to make longer service life.
The present invention also will provide a kind of one-piece auger finned tube roller mill simultaneously, and this roller mill debugging is convenient, and rolling speed is faster, and production efficiency is higher.
For solving above technical problem, the technical scheme that the present invention takes is:
A kind of one-piece auger finned tube rolling cutter, comprise that main shaft, fixed cover are located at the outer cutter hub of described main shaft, described cutter hub has and can push the press section that makes it to form fin to metal, described press section shape in the shape of a spiral is distributed on the described cutter hub outer surface direction of axis line unanimity of described main shaft and press section.
Preferably, the lead angle scope of described press section is between 0.3 °～5 °.
Preferably, the cross sectional shape of the spiral grooves of described press section is rectangle, trapezoidal, V-type or U type.
Preferably, described crimping section be used to cut pipe surface metal to be processed make preformed district that described pipe plays wing be used for to rise behind the wing metal further extruding make described pipe become the shaping area of wing, the degree of depth of the spiral grooves of the press section in the described preformed district progressively increases progressively towards the direction near described shaping area, the degree of depth of the spiral grooves of the press section in the described shaping area is identical, form cone angle (β) between the press section in press section in the described preformed district and the described shaping area, and described cone angle (β) scope is between 0 °～10 °.
A kind of one-piece auger finned tube roller mill, comprise frame, be installed in three the roll-in cutters, the actuating unit that are the isosceles triangle arrangement on the described frame, each described roll-in cutter comprises that driving the main shaft, the fixed cover that rotate by described actuating unit is located at the outer cutter hub of described main shaft, described cutter hub has and can push the press section that makes it to form fin to metal, described press section shape in the shape of a spiral is distributed on the described cutter hub outer surface, the direction of axis line unanimity of described main shaft and press section, the axial line of three described roll-in cutters parallels.
By the enforcement of above technical scheme, make the present invention compared with prior art have plurality of advantages:
The employed cutter hub of one-piece auger finned tube rolling cutter of the present invention is that fixed cover is located at outside the main shaft, and press section be according to the technological requirement of pipe to be processed in the shape of a spiral shape be opened in described cutter hub outer surface, this make rolling cutter of the present invention must not adjust in use and pipe to be processed between angle, only need make that the rolling cutter is parallel with pipe to get final product, this has reduced the axial force between cutter and the pipe greatly, make cutter not easily broken, therefore can use the more material manufacturing cutter of hard, the significant prolongation in service life of cutter; One-piece auger finned tube roller mill of the present invention adopts three rolling cutters of the present invention, can save during mounting cutter repeatedly debug between the cutter and cutter and pipe to be processed between the trouble of angle, and because the axial force between cutter and the pipe is little, therefore can significantly improve the rolling rotating speed, simultaneously need not often change blade, the time and labour saving, very convenient, can enhance productivity.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing and concrete embodiment:
Fig. 1 rolls one-piece auger finned tube schematic diagram for three rollers in the prior art revolve;
Fig. 2 is an one-piece auger finned tube rolling cutter structure schematic diagram in the prior art;
Fig. 3 is an one-piece auger finned tube rolling cutter structure schematic diagram in the embodiment of the invention;
Fig. 4 rolls one-piece auger finned tube schematic diagram for three rollers in the embodiment of the invention revolve;
Wherein: 1,1 ', pipe; 2, cutter hub; 2 ', lipper; 3, press section; 30, preformed district; 31, shaping area; 3 ', blade; 4,4 ', plug; 5,5 ', finned tube; 6,6 ', main shaft; 7, rolling cutter; 7 ', fixture.
The specific embodiment
The present invention will be further described in detail below in conjunction with specific embodiment, but be not limited to these embodiment.
As shown in Figure 3, one-piece auger finned tube rolling cutter according to present embodiment comprises that main shaft 6, fixed cover are located at the cutter hub 2 outside the main shaft 6, described cutter hub 2 has and can push the press section 3 that makes it to form fin to metal, described press section 3 shape in the shape of a spiral is distributed on cutter hub 2 outer surfaces direction of axis line unanimity of main shaft 6 and press section 3.
In the present embodiment, the cross sectional shape of the spiral grooves of press section 3 is a rectangle, and the lead angle α of press section 3 is 1.4 °.
According to present embodiment, press section 3 be divided into be used to cut preformed district 30 that pipe 1 surface metal to be processed makes 1 wing of described pipe be used for to rise behind the wing metal further extruding make the shaping area 31 of 1 one-tenth wing of pipe, the degree of depth of the spiral grooves of the press section 3 in the described preformed district 30 progressively increases progressively towards the direction near shaping area 31, the degree of depth of the spiral grooves of the press section in the shaping area 31 is identical, be 1.2mm, form cone angle beta between the press section 3 in press section 3 in the preformed district 30 and the shaping area 31, β is 4 °.
Present embodiment rolling cutter adopts hardened steel to make, and its heat treatment hardness is fit to the worked copper finned tube greater than HRC 60.
Present embodiment provides a kind of one-piece auger finned tube three roller roller mills, comprises frame, three the roll-in cutters 7, the actuating unit that are the isosceles triangle arrangement on the described frame, the one-piece auger finned tube rolling cutter of described rolling cutter 7 for providing among the embodiment 1 are provided.The main shaft 6 of roll-in cutter 7 is driven by described actuating unit and takes place to rotate with speed in the same way, and the axial line of three roll-in cutters 7 parallels.
Shown in Fig. 3 and 4, when using present embodiment roller mill processing pipe 1, earlier pipe 1 is enclosed within on the plug 4, pipe 1 advances on the following rotation of the drive limit of rolling cutter 7, and the direction of axis line unanimity of pipe 1, plug 4 and rolling cutter 7.Add man-hour, pipe 1 at first plays wing through the extruding of the press section 3 in preformed district 30 on the cutter hub 2, again through the press section 3 of shaping area 31 further be squeezed into wing, be processed into finned tube 5 at last.
During the work of present embodiment roller mill, roll rotational speed is set to 1000 rev/mins, and the production efficiency of processing finned tube improves more than three times than common three-roller.
The rolling cutter of this enforcement roller mill on average can use greater than 600 hours, and general cutter just needs to change cutter after use is not more than 60 hours.
More than the present invention has been done detailed description; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences of doing according to spiritual essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (8)
1. one-piece auger finned tube rolling cutter, comprise main shaft (6), be fixedly installed on the outer cutter hub (2) of described main shaft (6), described cutter hub (2) has and can push the press section (3) that makes it to form fin to metal, it is characterized in that: described cutter hub (2) is set in outside the described main shaft (6), described press section (3) shape in the shape of a spiral is distributed on described cutter hub (2) outer surface direction of axis line unanimity of described main shaft (6) and press section (3).
2. cutter according to claim 1 is characterized in that: lead angle (α) scope of described press section (3) is between 0.3 °～5 °.
3. cutter according to claim 1 is characterized in that: the cross sectional shape of the spiral grooves of described press section (3) is rectangle, trapezoidal, V-type or U type.
4. cutter according to claim 1, it is characterized in that: described press section (3) is divided into and is used to cut pipe to be processed (1) surface metal and makes described pipe (1) play the preformed district (30) of wing and be used for further pushing and making described pipe (1) become the shaping area (31) of wing playing metal behind the wing, the degree of depth of the spiral grooves of the press section (3) in the described preformed district (30) progressively increases progressively towards the direction near described shaping area (31), the degree of depth of the spiral grooves of the press section in the described shaping area (31) is identical, form cone angle (β) between press section (3) in the described preformed district (30) and the press section (3) in the described shaping area (31), and described cone angle (β) scope is between 0 °～10 °.
5. one-piece auger finned tube roller mill, comprise frame, be installed in and be three roll-in cutters (7) that isosceles triangle is arranged on the described frame, actuating unit, each described roll-in cutter (7) comprises the main shaft (6) that is rotated by described actuating unit driving, be fixedly installed on the outer cutter hub (2) of described main shaft (6), described cutter hub (2) has and can push the press section (3) that makes it to form fin to metal, it is characterized in that: it is outer that described cutter hub (2) is set in described main shaft (6), described press section (3) shape in the shape of a spiral is distributed on described cutter hub (2) outer surface, the direction of axis line unanimity of described main shaft (6) and press section (3), the axial line of three described roll-in cutters (7) parallels.
6. roller mill according to claim 5 is characterized in that: lead angle (α) scope of described press section (3) is between 0.3 °～5 °.
7. roller mill according to claim 5 is characterized in that: the cross sectional shape of the spiral grooves of described press section (3) is rectangle, trapezoidal, V-type or U type.
8. roller mill according to claim 5, it is characterized in that: described press section (3) is divided into and is used to cut pipe to be processed (1) surface metal and makes described pipe (1) play the preformed district (30) of wing and be used for further pushing and making described pipe (1) become the shaping area (31) of wing playing metal behind the wing, the degree of depth of the spiral grooves of the press section (3) in the described preformed district (30) progressively increases progressively towards the direction near described shaping area (31), the degree of depth of the spiral grooves of the press section in the described shaping area (31) is identical, form cone angle (β) between press section (3) in the described preformed district (30) and the press section (3) in the described shaping area (31), and described cone angle (β) scope is between 0 °～10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010524223 CN102019321A (en) | 2010-10-29 | 2010-10-29 | Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010524223 CN102019321A (en) | 2010-10-29 | 2010-10-29 | Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102019321A true CN102019321A (en) | 2011-04-20 |
Family
ID=43861335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010524223 Pending CN102019321A (en) | 2010-10-29 | 2010-10-29 | Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102019321A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259282A (en) * | 2014-07-11 | 2015-01-07 | 航天海鹰(哈尔滨)钛业有限公司 | Forming device of titanium or titanium alloy finned tube |
| CN104797020A (en) * | 2015-02-12 | 2015-07-22 | 厦门华业新电热电器有限公司 | Spiral finned tube used in field of air conditioning and air supplying type electric heating |
| CN107900465A (en) * | 2017-12-29 | 2018-04-13 | 重庆龙煜精密铜管有限公司 | Finned tube process tool and fin pipe processing device |
| CN109175929A (en) * | 2018-09-28 | 2019-01-11 | 博瑞特热能设备股份有限公司 | Finned tube tears sheet devices open |
| WO2023024509A1 (en) * | 2021-08-26 | 2023-03-02 | 泰州驰骏智能设备有限公司 | New finned tube machining method without self-rotation of workpiece |
| CN115815450A (en) * | 2022-12-07 | 2023-03-21 | 无锡化工装备股份有限公司 | Nano-fluid self-lubricating outer surface forming equipment and method for three-dimensional finned circular tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3745801A (en) * | 1972-03-02 | 1973-07-17 | Carrier Corp | Multiple tube finning apparatus |
| US5003690A (en) * | 1988-09-09 | 1991-04-02 | Anderson Ray C | Finning and thread rolling machine |
| CN201079804Y (en) * | 2007-07-13 | 2008-07-02 | 广东华兴换热设备有限公司 | Integral finned pipe processing device |
| CN201291228Y (en) * | 2008-11-25 | 2009-08-19 | 北京建莱机电技术有限公司 | Cutter for producing copper high-finned tube |
| CN201855871U (en) * | 2010-10-29 | 2011-06-08 | 张家港市奋发机械有限公司 | Whole spiral finned tube rolling tool and whole spiral finned tube rolling mill |
-
2010
- 2010-10-29 CN CN 201010524223 patent/CN102019321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3745801A (en) * | 1972-03-02 | 1973-07-17 | Carrier Corp | Multiple tube finning apparatus |
| US5003690A (en) * | 1988-09-09 | 1991-04-02 | Anderson Ray C | Finning and thread rolling machine |
| CN201079804Y (en) * | 2007-07-13 | 2008-07-02 | 广东华兴换热设备有限公司 | Integral finned pipe processing device |
| CN201291228Y (en) * | 2008-11-25 | 2009-08-19 | 北京建莱机电技术有限公司 | Cutter for producing copper high-finned tube |
| CN201855871U (en) * | 2010-10-29 | 2011-06-08 | 张家港市奋发机械有限公司 | Whole spiral finned tube rolling tool and whole spiral finned tube rolling mill |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259282A (en) * | 2014-07-11 | 2015-01-07 | 航天海鹰(哈尔滨)钛业有限公司 | Forming device of titanium or titanium alloy finned tube |
| CN104797020A (en) * | 2015-02-12 | 2015-07-22 | 厦门华业新电热电器有限公司 | Spiral finned tube used in field of air conditioning and air supplying type electric heating |
| CN107900465A (en) * | 2017-12-29 | 2018-04-13 | 重庆龙煜精密铜管有限公司 | Finned tube process tool and fin pipe processing device |
| CN109175929A (en) * | 2018-09-28 | 2019-01-11 | 博瑞特热能设备股份有限公司 | Finned tube tears sheet devices open |
| CN109175929B (en) * | 2018-09-28 | 2023-12-01 | 博瑞特热能设备股份有限公司 | Fin removing device for fin tube |
| WO2023024509A1 (en) * | 2021-08-26 | 2023-03-02 | 泰州驰骏智能设备有限公司 | New finned tube machining method without self-rotation of workpiece |
| CN115815450A (en) * | 2022-12-07 | 2023-03-21 | 无锡化工装备股份有限公司 | Nano-fluid self-lubricating outer surface forming equipment and method for three-dimensional finned circular tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100442000C (en) | High finned heat-exchange tube and processing method thereof | |
| CN102019321A (en) | Integral spiral finned tube rolling cutter and integral spiral finned tube rolling mill | |
| US7451542B2 (en) | Method of manufacture of heat-exchanger tube structured on both sides | |
| CN102357531B (en) | Composite roll forming process of thick-wall deep-groove ring member | |
| JP2008196690A (en) | Manufacturing method for bearing outer ring | |
| CN111318630B (en) | A near-net composite rolling forming method for the inner ring of a tapered roller bearing | |
| CN201855871U (en) | Whole spiral finned tube rolling tool and whole spiral finned tube rolling mill | |
| CN101147936A (en) | Split rolling cutter for integral spiral finned tube rolling machine | |
| CN102626734A (en) | Spiral flat pipe roll forming machine for heat exchanging equipment | |
| CN201291228Y (en) | Cutter for producing copper high-finned tube | |
| JP5871269B2 (en) | Spiral tube extrusion molding method and spiral tube extrusion molding machine | |
| CN101204771A (en) | Method for processing helical blade and special equipment | |
| CN215657224U (en) | Integral new material spiral pipe rolling cutter and spiral pipe production device | |
| CN100386162C (en) | Technique for fabricating copper tube with fins of high teeth | |
| CN201470739U (en) | Special-type pipe cold working forming process device for efficient heat exchanger use | |
| CN100563917C (en) | Low-plasticity nonferrous metal shaped wire moulding process and equipment | |
| CN102861840B (en) | A three-roll cross-rolling forming method for asymmetric double-step rotary parts | |
| CN209866997U (en) | Aluminum pipe thread extrusion die | |
| CN103317047B (en) | Method for rolling conical-fin condensing tubes | |
| JP3345225B2 (en) | Manufacturing method of deformed pipe | |
| CN112337976A (en) | Integral embossing roller and manufacturing method thereof | |
| CN200991819Y (en) | Helical blade forming machine | |
| CN1748898A (en) | A Method of Cold Rolling and Forming Two Conical Section Rings | |
| CN110081763B (en) | Inner micro-ribbed composite reinforced heat exchange tube and manufacturing method thereof | |
| CN101214607B (en) | Method for manufacturing inner fin copper pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110420 |