CN102896170B - A kind of Elliptical tube machine - Google Patents
A kind of Elliptical tube machine Download PDFInfo
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- CN102896170B CN102896170B CN201110461106.8A CN201110461106A CN102896170B CN 102896170 B CN102896170 B CN 102896170B CN 201110461106 A CN201110461106 A CN 201110461106A CN 102896170 B CN102896170 B CN 102896170B
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Abstract
The invention discloses a kind of Elliptical tube machine, comprise frame, frame is provided with guide rail, guide rail is installed with shaping mechanism, shaping mechanism is provided with oval forming hole, it is characterized in that: on described guide rail, the both sides of shaping mechanism are respectively equipped with the second conveyer and the 3rd conveyer, are also provided with the first conveyer on guide rail, in the front side of the second conveyer.Structure of the present invention is simple, and by the second conveyer and the 3rd conveyer, clamp U-shaped pipe successively and drive U-shaped pipe back and forth through forming hole respectively, make U-shaped pipe through extruding repeatedly, Forming Quality is good.
Description
(1) technical field:
The present invention relates to a kind of process equipment common U-shaped pipe being pressed into oval U-shaped pipe.
(2) background technology:
Traditional air-condition heat exchanger pipeline many uses round tube, and oval pipe heat exchanger is due to better than round tube heat exchanger heat transfer effect, has become a kind of trend that Domestic Air-condition is produced in recent years.Existing Elliptical tube machine, comprise connecting gear and the shaping mechanism of U-shaped pipe, described connecting gear is provided with the fixture can fixing U-shaped pipe bent portion; Described shaping mechanism comprises left template, middle template and right template, and the joint face between left template and middle template is provided with deep-slotted chip breaker accordingly, and two deep-slotted chip breakers form oval nib, and another oval nib is arranged between the joint face of middle template and right template.Shaping mechanism is also provided with clamping device and resetting means.During work, first the bent portion of U-shaped pipe is fixed on the transfer mechanism, U-shaped pipe is made to put into oval nib again, drive clamping device that shaping mechanism is closed up, then drive motors makes connecting gear move, and connecting gear pulls U-shaped pipe to move, the straight sections of U-shaped pipe begins through through oval nib from root, last U-shaped pipe leaves shaping mechanism, and elliptical tube machines, and after workman takes off workpiece, connecting gear is run to shaping mechanism side.This Elliptical tube machine has following shortcoming: 1. shaping mechanism complex structure, and when workpiece is by oval forming hole, U-shaped pipe produces larger radial pressure to the perisporium of oval forming hole, and elastic recovery device must be relied on to control forming quality, and forming part is easily damaged; 2. carried out forming operation once, molding effect is poor; 3. to position the bent portion of U-shaped pipe, the U-shaped pipe being not suitable for elongated carries out extrusion operation.
(3) summary of the invention:
In order to overcome the deficiencies in the prior art, the object of this invention is to provide that a kind of structure is simple, the Elliptical tube machine of good forming effect, working stability.
The present invention is realized by following technical scheme: a kind of Elliptical tube machine, comprise frame, frame is provided with guide rail, guide rail is installed with shaping mechanism, shaping mechanism is provided with oval forming hole, on described guide rail, the both sides of shaping mechanism are respectively equipped with the second conveyer and the 3rd conveyer, on guide rail, the first conveyer is also provided with in the front side of the second conveyer, shedding mechanism is provided with below described second conveyer, shedding mechanism comprises the discharging guide rail be arranged on bottom frame, discharging guide rail and described guide rail parallel, discharging guide rail is provided with at least one discharge conveyer, discharge conveyer is other is provided with splicing plate, splicing plate is provided with some catch, splicing groove is formed between adjacent two catch, be connected with the piston of discharging cylinder bottom splicing plate, piston driving splicing plate is up and down between discharge conveyer and the second conveyer.
In above-mentioned frame, the front end of guide rail is provided with skid bed, and skid bed is provided with the U-shaped locating slot of some placement U-shaped pipes.
On guide rail described above, be provided with some guide plates on rear side of the first conveyer both sides and the 3rd conveyer, guide plate is provided with some gathering sills passed through for U-shaped pipe.
Shaping mechanism described above comprises the shaping mounting base be connected with frame, mounting base is provided with at least one roller installing rack, roller installing rack comprises column, column is horizontally installed with two parallel upper rotating shafts and lower rotary shaft, the upper roller that upper rotating shaft is identical with lower rotary shaft being separately installed with structure and bottom roller, upper roller and bottom roller tangent, the surface of upper roller and bottom roller is symmetrically distributed with two circumferential ring grooves, the radial cross-sectional shape of ring groove is half elliptic, the annular groove position of two rollers is corresponding, two corresponding two annular grooves are combined to form described oval forming hole.
The width of ring groove described above is the minor axis length of oval forming hole, and the degree of depth of ring groove is the major semiaxis length of oval forming hole.
First conveyer described above, the second conveyer and the 3rd conveyer are provided with clamping device, described clamping device comprises a cylinder fixed mount, bottom clamp plate is installed with bottom cylinder fixed mount, be provided with upper clamp formwork plate above bottom clamp plate, the faying face place of upper clamp formwork plate and bottom clamp plate is provided with a pair holddown groove and is used for fixing U-shaped pipe straight sections; One cylinder is arranged on described cylinder fixed mount top, and the piston of cylinder is connected with upper clamp formwork plate, the up and down folding controlling clamping device of piston driving upper clamp formwork plate.
Bottom clamp plate top described above is provided with guide channel, the upper locating slot coordinated with described guide channel for a pair is provided with bottom described upper clamp formwork plate, be provided with one on two between locating slot and extend to projection bottom described guide channel, described holddown groove to be coordinated with guide channel by upper locating slot and is formed.
Projection described above is provided with the U-lag of a fixing U-shaped pipe bent portion, and U-lag is communicated with locating slot on a pair; The first groove that the bottom of described upper locating slot is provided with, the second groove that the bottom of described guide channel is provided with.
The flat module of folder is installed on rear side of clamping device described above, press from both sides flat module and comprise the flat upper module of folder be arranged on rear side of upper clamp formwork plate and the flat lower module of folder be arranged on rear side of bottom clamp plate, the faying face place pressing from both sides flat upper module and bottom clamp plate is provided with two ellipse holes, and two ellipse holes are communicated with described holddown groove.
Relative to prior art, the present invention has following advantage: structure of the present invention is simple, and by the second conveyer and the 3rd conveyer, clamp U-shaped pipe successively and drive U-shaped pipe back and forth through forming hole respectively, make U-shaped pipe through extruding repeatedly, Forming Quality is good.U-shaped locating slot on skid bed, more can install U-shaped pipe in specification ground.The oval forming hole of shaping mechanism is formed by the annular groove cooperation of upper roller and bottom roller, and structure is simple; When round tube is by shaped hole, the frictional force of round tube to forming hole hole wall makes roller rotate, thus decreases the wearing and tearing of annular groove, extends the service life of shaping mechanism, also improves Forming Quality.Described clamping device structure is simple, and can clamp the port part of U-shaped pipe, straight sections or bent portion, clamping effect is good, more can apply to Elliptical tube machine diverse location neatly.When U-shaped pipe extrudes, the flat module of folder of clamping device can carry out the extruding of a preboarding to the port part of U-shaped pipe, makes port part become oval, makes it more easily carry out shaping mechanism.For longer U-shaped pipe, gathering sill can play support effect well, ensures that U-shaped pipe can move reposefully, avoids occurring bend pipe phenomenon.The present invention may carry out sizing processing with inner to many U-shaped pipes, and production efficiency is high.
(4) accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of shaping mechanism of the present invention;
Fig. 4 is the structural representation of the column of shaping mechanism, upper roller and bottom roller;
Fig. 5 is the structural representation of the 3rd conveyer;
Fig. 6 is the structural representation of clamping device on the first conveyer;
Fig. 7 is upper clamp formwork plate and the bottom clamp plate assembled state schematic diagram of clamping device on the first conveyer;
Fig. 8 is the structural representation of clamping device on the second conveyer;
Fig. 9 is upper clamp formwork plate and the bottom clamp plate of clamping device on the second conveyer and presss from both sides flat block combiner view;
Figure 10 is the structural representation of the upper clamp formwork plate of clamping device on the second conveyer;
Figure 11 is the structural representation of the bottom clamp plate of clamping device on the second conveyer.
(5) detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in detail:
The present invention includes frame 11, frame 11 is provided with guide rail 12, the front end of guide rail 12 is provided with skid bed 13, skid bed 13 is provided with the U-shaped locating slot 131 of some placement U-shaped pipes, guide rail 12 is provided with successively the first conveyer 6, second conveyer 4 and the 3rd conveyer 5, shaping mechanism 2 is installed with between second conveyer 4 and the 3rd conveyer 5, shaping mechanism 2 is provided with oval forming hole 23, described first conveyer 4 clamps U-shaped pipe from skid bed and delivers on the second conveyer 4, second conveyer 4 and the 3rd conveyer 5 clamp U-shaped pipe successively and drive U-shaped pipe back and forth through oval forming hole 23 respectively.On described guide rail 12, be provided with some guide plates 14 on rear side of the first conveyer 6 both sides and the 3rd conveyer 5, guide plate 14 is provided with some gathering sills 141 passed through for U-shaped pipe.
Shaping mechanism 2 described above comprises the shaping mounting base 211 be connected with frame 11, mounting base 211 is provided with several roller installing racks, roller installing rack comprises column 212, column 212 is horizontally installed with two parallel upper rotating shafts 213 and lower rotary shaft 214, upper rotating shaft 213 with lower rotary shaft 214 is separately installed with the identical upper roller of structure 221 and bottom roller 222, upper roller 221 is tangent with bottom roller 222, the surface of upper roller 221 and bottom roller 222 is symmetrically distributed with two circumferential ring grooves 223, the radial cross-sectional shape of ring groove 223 is half elliptic, upper roller 221 is corresponding with annular groove 223 position of bottom roller 222, two corresponding two annular grooves 223 are combined to form described oval forming hole 23.The width of described ring groove 223 is the minor axis length of oval forming hole 23, and the degree of depth of ring groove 223 is the major semiaxis length of oval forming hole 23.Described upper rotating shaft 213 is eccentric shaft.Described column 212 is provided with adjustment hole 215, and staff can stretch in adjustment hole 215 with instrument and regulate upper rotating shaft 213.Guarantee that each oval forming hole 23 shape is consistent.
3rd conveyer 5 described above comprises base plate 51, be provided with slide block 52 bottom base plate 51 to be connected with guide rail 12, base plate 51 is provided with several clamping devices 3, described clamping device 3 comprises the cylinder fixed mount 331 be arranged on base plate 51, bottom clamp plate 312 is installed with bottom cylinder fixed mount 331, be provided with upper clamp formwork plate 311 above bottom clamp plate 312, upper clamp formwork plate 311 is provided with two pairs of holddown grooves with the faying face place of bottom clamp plate 312 and is used for fixing U-shaped pipe straight sections; One cylinder 332 is arranged on described cylinder fixed mount 331 top, and the piston of cylinder 332 is connected with upper clamp formwork plate 311, the up and down folding condition controlling clamping device 3 of piston driving upper clamp formwork plate 311.
Described bottom clamp plate 312 top is provided with two to lower arc groove 329, two are provided with to the upper arc groove 328 coordinated with lower arc groove 329 bottom upper clamp formwork plate 311, upper arc groove 328 is the half elliptic that shape is identical with the cross sectional shape of lower arc groove 329, and described holddown groove is coordinated by upper arc groove 328 and lower arc groove 329 and formed.Described holddown groove be used for fixing shaping after the ellipticity straight sections of U-shaped pipe.
The first described conveyer 6 is similar to the 3rd conveyer 5 structure, and difference is:
Described bottom clamp plate 312 top is provided with guide channel 322, the upper locating slot 321 coordinated with described guide channel 322 for a pair is provided with bottom described upper clamp formwork plate 311, be provided with one on two between locating slot 321 and extend to projection 323 bottom described guide channel 322, described holddown groove to be coordinated with guide channel 322 by upper locating slot 321 and is formed.This holddown groove is used for fixing shaping front U-shaped pipe straight sections.
Described second conveyer 4 is similar to the first conveyer 6 structure, and difference is:
Described projection 323 is provided with the U-lag 324 that can fix U-shaped pipe bent portion, and U-lag 324 is communicated with locating slot 322 on described a pair.U-lag 324 coordinates the bent portion being used for fixing U-shaped pipe with holddown groove.The first groove 326 that the bottom of described upper locating slot 321 is provided with, the second groove 327 that the bottom of described guide channel 322 is provided with.First groove 326 coordinates with the second groove 327, can be used to fixed-type after the ellipticity straight sections of U-shaped pipe.
The flat module of folder is also installed on rear side of clamping device, press from both sides flat module and comprise the flat upper module of folder 313 be arranged on rear side of upper clamp formwork plate 311 and the flat lower module 314 of folder be arranged on rear side of bottom clamp plate 312, the faying face place pressing from both sides flat upper module 313 and bottom clamp plate 314 is provided with two ellipse hole 325, two ellipse holes 325 and is communicated with a pair described holddown groove.When U-shaped pipe enters clamping device, press from both sides flat module can carry out preboarding extruding to the port part of U-shaped pipe, port part pressure for oval, make it more easily carry out shaping mechanism 2.
Be respectively equipped with charging screw mandrel 151, feeding screw mandrel 152 below described guide rail 12 and draw material screw mandrel 153, the first described conveyer 6 is connected with charging screw mandrel 151, second conveyer 4 is connected with charging screw mandrel 16, and the 3rd conveyer 5 expects that screw mandrel 153 is connected with drawing.Power set drive draw material screw mandrel 153 rotate, thus drive described 3rd conveyer 5 draw material screw mandrel 153 two ends move back and forth.The motion mode of the first conveyer 6 and the second conveyer 4 is identical with the 3rd conveyer 5.
Shedding mechanism is provided with below second conveyer 4 described above, described shedding mechanism comprises the discharging guide rail 71 be arranged on bottom frame 11, discharging guide rail 71 is parallel with described guide rail 12, discharging guide rail 71 is provided with at least one discharge conveyer 72, discharge conveyer 72 is other is provided with splicing plate 73, splicing plate 73 is provided with some catch 74, splicing groove 75 is formed between adjacent two catch 74, be connected with the piston 76 of discharging cylinder (not marking) bottom splicing plate 73, U-shaped pipe can be fixed in splicing groove 75.U-shaped pipe holds up from described second conveyer 4 by the height that the piston 76 of discharging cylinder drives splicing plate 73 to rise to guide rail 12, and then piston 76 drives splicing plate 73 times general who has surrendered's U-shaped pipes to be down on discharge conveyer 72.U-shaped pipe is sent outside frame by discharge conveyer, and automaticity is high, enhances productivity further.
Workflow of the present invention is such:
A. original state, the head end that described first conveyer 6 is positioned at the charging head end of screw mandrel 151, the second conveyer 4 is positioned at feeding screw mandrel 152, the 3rd conveyer 5 are positioned at the head end drawing material screw mandrel 153, and the clamping device on the first conveyer 6, second conveyer 4 and the 3rd conveyer 5 is all in releasing orientation;
B. U-shaped pipe is placed in the locating slot of skid bed by workman, drives Elliptical tube machine;
C. gripping means grips U-shaped pipe straight sections latter half of of the first conveyer 6, advances along guide rail 12 with U-shaped pipe, U-shaped pipe straight sections is sent into the second conveyer 4;
D. when the first conveyer 6 moves to the end of charging screw mandrel 151, the middle part of the gripping means grips U-shaped pipe straight sections of the second conveyer 4, the clamping device of the first conveyer 6 unclamps, second conveyer 4 advances along guide rail 12 with U-shaped pipe, the port part of U-shaped pipe is sent into the oval forming hole 23 of shaping mechanism 2, U-shaped pipe straight sections is slided on the guide channel 322 of the first conveyer 6 clamping device;
The port of E.U shape pipe is by arriving in the 3rd conveyer 5 after forming hole, the upper arc groove 328 of the 3rd conveyer 5 clamping device and lower arc groove 329 clamp the ellipticity port part of shaping rear U-shaped pipe, the clamping device of the second conveyer 4 unclamps, 3rd conveyer pulls U-shaped pipe, make the straight sections of U-shaped pipe by oval forming hole 23, U-shaped pipe straight sections is slided on the second groove 327 of the second conveyer 4 clamping device, until the straight sections of U-shaped pipe is all through oval forming hole 23, the second conveyer advances to the end of feeding screw mandrel 152 simultaneously;
F. the 3rd conveyer 5 retreats, U-shaped pipe bent portion is made to return in the second conveyer 4, the clamping device action of the second conveyer 4, U-shaped pipe bent portion is positioned in the U-lag 324 of the second conveyer 4 clamping device, and the first groove 326 coordinates the ellipticity straight sections of fixed-type rear U-shaped pipe with the second groove 327; The clamping device of described 3rd conveyer 5 unclamps, second conveyer pulls U-shaped pipe to retreat, the straight sections of U-shaped pipe is again by oval forming hole 23, until U-shaped pipe exits shaping mechanism 2 completely, now the 3rd conveyer 5 is back to the head end drawing material screw mandrel 153;
G. the discharging cylinder moving of shedding mechanism, rises to the height of guide rail 12 by splicing plate 73, and the clamping device of the second conveyer 4 unclamps, and U-shaped pipe drops on splicing groove 75;
H. the second conveyer 4 retreats the head end to feeding screw mandrel 152, and the piston driving splicing plate 73 of discharging cylinder declines and is down on discharge conveyer 72 by U-shaped pipe, and discharge conveyer 72 moves and U-shaped pipe sent frame 11.
The present invention has carried out the forming operation of twice to U-shaped pipe, ensure that into pipe quality.
As preference, do in the step C stated, when the port part of U-shaped pipe arrives the second conveyer 4, first conveyer 6 pause motion, unclamp after the gripping means grips of the second conveyer 4, press from both sides flat module and the port of U-shaped pipe is pressed into ellipse, then the first conveyer 6 moves on, and U-shaped pipe straight sections is sent into the second conveyer 4.
Above-described embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. an Elliptical tube machine, comprise frame, frame is provided with guide rail, guide rail is installed with shaping mechanism, shaping mechanism is provided with oval forming hole, on described guide rail, the both sides of shaping mechanism are respectively equipped with the second conveyer and the 3rd conveyer, on guide rail, the first conveyer is also provided with in the front side of the second conveyer, the first described conveyer, second conveyer and the 3rd conveyer are provided with clamping device, described clamping device comprises a cylinder fixed mount, bottom clamp plate is installed with bottom cylinder fixed mount, upper clamp formwork plate is installed above bottom clamp plate, the faying face place of upper clamp formwork plate and bottom clamp plate is provided with a pair holddown groove and is used for fixing U-shaped pipe straight sections, one cylinder is arranged on described cylinder fixed mount top, the piston of cylinder is connected with upper clamp formwork plate, the up and down folding controlling clamping device of piston driving upper clamp formwork plate, it is characterized in that: described bottom clamp plate top is provided with guide channel, the upper locating slot coordinated with described guide channel for a pair is provided with bottom described upper clamp formwork plate, be provided with one on two between locating slot and extend to projection bottom described guide channel, described holddown groove to be coordinated with guide channel by upper locating slot and is formed.
2. a kind of Elliptical tube machine according to claim 1, it is characterized in that: below described second conveyer, be provided with shedding mechanism, shedding mechanism comprises the discharging guide rail be arranged on bottom frame, discharging guide rail and described guide rail parallel, discharging guide rail is provided with at least one discharge conveyer, discharge conveyer is other is provided with splicing plate, splicing plate is provided with some catch, splicing groove is formed between adjacent two catch, be connected with the piston of discharging cylinder bottom splicing plate, piston driving splicing plate is up and down between discharge conveyer and the second conveyer.
3. a kind of Elliptical tube machine according to claim 2, is characterized in that: in frame, the front end of guide rail is provided with skid bed, and skid bed is provided with the U-shaped locating slot of some placement U-shaped pipes.
4. a kind of Elliptical tube machine according to claim 3, is characterized in that: on described guide rail, be provided with some guide plates on rear side of the first conveyer both sides and the 3rd conveyer, and guide plate is provided with some gathering sills passed through for U-shaped pipe.
5. according to claim 1, 2, a kind of Elliptical tube machine described in 3 or 4, it is characterized in that: described shaping mechanism comprises the shaping mounting base be connected with frame, mounting base is provided with at least one roller installing rack, roller installing rack comprises column, column is horizontally installed with two parallel upper rotating shafts and lower rotary shaft, the upper roller that upper rotating shaft is identical with lower rotary shaft being separately installed with structure and bottom roller, upper roller and bottom roller tangent, the surface of upper roller and bottom roller is symmetrically distributed with two circumferential ring grooves, the radial cross-sectional shape of ring groove is half elliptic, the annular groove position of two rollers is corresponding, two corresponding two annular grooves are combined to form described oval forming hole.
6. a kind of Elliptical tube machine according to claim 5, is characterized in that: the width of described ring groove is the minor axis length of oval forming hole, and the degree of depth of ring groove is the major semiaxis length of oval forming hole.
7. a kind of Elliptical tube machine according to claim 1, is characterized in that: described projection is provided with the U-lag of a fixing U-shaped pipe bent portion, and U-lag is communicated with locating slot on a pair; The first groove that the bottom of described upper locating slot is provided with, the second groove that the bottom of described guide channel is provided with.
8. a kind of Elliptical tube machine according to claim 7, it is characterized in that: the flat module of folder is installed on rear side of described clamping device, press from both sides flat module and comprise the flat upper module of folder be arranged on rear side of upper clamp formwork plate and the flat lower module of folder be arranged on rear side of bottom clamp plate, the faying face place pressing from both sides flat upper module and bottom clamp plate is provided with two ellipse holes, and two ellipse holes are communicated with described holddown groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110461106.8A CN102896170B (en) | 2011-12-31 | 2011-12-31 | A kind of Elliptical tube machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110461106.8A CN102896170B (en) | 2011-12-31 | 2011-12-31 | A kind of Elliptical tube machine |
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| Publication Number | Publication Date |
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| CN102896170A CN102896170A (en) | 2013-01-30 |
| CN102896170B true CN102896170B (en) | 2015-11-25 |
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| CN201110461106.8A Active CN102896170B (en) | 2011-12-31 | 2011-12-31 | A kind of Elliptical tube machine |
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| JP2002018540A (en) * | 2000-07-05 | 2002-01-22 | Hidaka Seiki Kk | Tube forming machine for heat exchanger |
| JP3794341B2 (en) * | 2002-03-28 | 2006-07-05 | 株式会社コベルコ マテリアル銅管 | Internal grooved tube and manufacturing method thereof |
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| EP2017019A1 (en) * | 2007-07-17 | 2009-01-21 | Tromba Maurizio snc | Method and device for the manufacture of metal tubes with oval or elliptical section |
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| CN102896170A (en) | 2013-01-30 |
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Address after: 528400 Guangdong province Zhongshan City, New Road No. 1 of Patentee after: Aomei gloomy intelligence equipment limited company Address before: 528400 Guangdong province Zhongshan City, New Road No. 01 of Patentee before: Zhongshan Aomeisen Industrial Co., Ltd. |