CN104190806A - U-shaped pipe expander - Google Patents
U-shaped pipe expander Download PDFInfo
- Publication number
- CN104190806A CN104190806A CN201410390907.3A CN201410390907A CN104190806A CN 104190806 A CN104190806 A CN 104190806A CN 201410390907 A CN201410390907 A CN 201410390907A CN 104190806 A CN104190806 A CN 104190806A
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- Prior art keywords
- driven gear
- shaped pipe
- expander
- expander roll
- gear
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- 230000033001 locomotion Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a U-shaped pipe expander. The U-shaped pipe expander comprises a U-shaped pipe fixing device, two expansion rods and an expansion rod drive device used for driving the two expansion rods to go forwards and backwards synchronously. One end of each expansion rod is provided with an expansion head. According to the U-shaped pipe expander, a U-shaped pipe is expanded evenly, the length of the expanded pipe is controlled accurately, and the U-shaped pipe expander is convenient to carry.
Description
Technical field
The present invention relates to a kind of tube expander, relate in particular to a kind of U-shaped pipe tube expander.
Background technology
In pipe type heat exchanger is produced, heat exchanger tube need to be together with being enclosed within the fin close contact of its appearance, to obtain good heat transfer effect.The effect of expand tube is that the external diameter of pipeline is expanded, and pipeline is closely connected with outside radiating fin, improves radiating efficiency.
When swollen U-shaped pipe, single electric tube expander only during swollen single pipe, can cause another root distortion of U-shaped pipe, so use traditional single electric tube expander to add man-hour, welds U-shaped coupling part after needing expand tube to complete again, and has caused processing burden.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide the portable tube expander of a kind of U-shaped pipe.
For achieving the above object, the invention provides a kind of U-shaped pipe tube expander, it is characterized in that: comprise U-shaped pipe fixing device, two expander rolls and the expander roll drive unit for driving two described expander roll advanced in unison and synchronously retreating, the end of described expander roll one end is provided with swollen head.
Preferably, described expander roll drive unit comprises warehouse, in described warehouse, be provided with motor and two groups of driven gear sub-assemblies for driving respectively two described expander rolls to advance or retreat, the output shaft of described motor is connected with driven wheel by shaft coupling, described driven gear sub-assembly comprises the first driven gear and the second driven gear, described the first driven gear and described driven wheel gear coordinate, described the first driven gear and described the second driven gear gear coordinate, the teeth centre position of described the first driven gear and described the second driven gear all has a U-shaped groove, described the first driven gear and described the second driven gear are intermeshing, U-shaped groove on described the first driven gear and described the second driven gear forms a circular hole, described expander roll is through described through hole, described the first driven gear and described the second driven gear all with described expander roll frictional fit.
Preferably, described expander roll drive unit also comprise two groups described in driven gear sub-assembly, described in four groups, driven gear sub-assembly is divided into two covers, the described driven gear sub-assembly of corresponding every cover is provided with the first driving gear and the second driving gear, described the first driving gear is connected by connecting axle with the second driving gear, described driven wheel coordinates with described the first driving gear gear, and the first driven gear of the described driven gear sub-assembly of every cover all coordinates with corresponding described the second driving gear gear.
Preferably, arranged outside at described second driven gear rotor shaft direction the second driven gear has a type expander roll locking device, described door type expander roll locking device comprises door pillar body and cross girder, the door pillar body of described expander roll locking device is fixedly connected with described the second driven gear, on the cross girder of described expander roll locking device, have the screw perpendicular to described the second driven gear rotor shaft direction, corresponding described screw is provided with hexagon socket cap head screw.
Preferably, described U-shaped pipe fixing device comprises reducing sleeve and sliding sleeve, described reducing sleeve comprises connecting portion, pars intermedia and clamping part, described drill holder jacket casing is contained in described swollen head outside, described connecting portion is fixedly connected with described warehouse, described clamping part is split-type chuck, the external diameter that the external diameter of described pars intermedia is less than described split-type chuck while not stepping up, described sliding sleeve is enclosed within described pars intermedia outside, and described U-shaped pipe fixing device also comprises makes to slide over the sliding sleeve mobile device that between pars intermedia and clamping part, slide in front and back.
Preferably, described sliding sleeve is provided with step surface on surface, described sliding sleeve mobile device comprises band motion block, described band motion block is fixedly connected with described step surface, on described band motion block, be provided with bearing, on described warehouse, be provided with the sliding axle that is parallel to described expander roll, described bearing slides on described sliding axle.
Preferably, on described expander roll, be provided with for controlling the travel switch of described expander roll shift motion.
Preferably, also comprise a type portable shelf, described door type portable shelf comprises door pillar body and cross girder, and the door pillar body of described door type hanger is fixedly connected with described warehouse, on the cross girder of described door type hanger, is provided with handle.
U-shaped pipe tube expander provided by the invention, swollen U-shaped pipe expand tube is even, expand tube length is controlled accurately, equipment is easy to carry.
Accompanying drawing explanation
Fig. 1 is the structural representation of U-shaped pipe tube expander of the present invention;
Fig. 2 is the rearview of U-shaped pipe tube expander of the present invention;
Fig. 3 is that the A-A of U-shaped pipe tube expander of the present invention is to cutaway view;
Fig. 4 is that the B-B of U-shaped pipe tube expander of the present invention is to cutaway view;
Fig. 5 is that the C-C of U-shaped pipe tube expander of the present invention is to cutaway view; .
In figure: 1-U shape pipe fixing device, 2-expander roll, 3-warehouse, 4-motor, 5-the first driven gear, 6-the second driven gear, 7-circular hole, 8-the first driving gear, 9-the second driving gear, 10-expander roll locking device, 11-hexagon socket cap head screw, 12-travel switch, 13-portable shelf.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Please refer to Fig. 1, Fig. 1 is the structural representation of U-shaped pipe tube expander of the present invention.
U-shaped pipe tube expander, comprises U-shaped pipe fixing device 1, two expander rolls 2 and expander roll 2 drive units for driving two described expander roll 2 advanced in unison and synchronously retreating, and the end of described expander roll 2 one end is provided with swollen head.By driving two expander rolls, 2 advanced in unison to realize, U-shaped pipe is carried out to expand tube, while avoiding separately expand tube being carried out in U-shaped pipe one end, other end generation deformation.
Please refer to Fig. 2 to Fig. 5, Fig. 2 is that rearview, Fig. 3 of U-shaped pipe tube expander of the present invention is the A of U-shaped pipe tube expander of the present invention) A is the B of U-shaped pipe tube expander of the present invention to cutaway view, Fig. 4) B is the C of U-shaped pipe tube expander of the present invention to cutaway view, Fig. 5) C is to cutaway view.
Described expander roll 2 drive units comprise warehouse 3, in described warehouse 3, be provided with motor 4 and two groups of driven gear sub-assemblies for driving respectively two described expander rolls 2 to advance or retreat, the output shaft of described motor 4 is connected with driven wheel by shaft coupling, described driven gear sub-assembly comprises the first driven gear 5 and the second driven gear 6, described the first driven gear 5 and described driven wheel gear coordinate, described the first driven gear 5 and described the second driven gear 6 gears coordinate, the teeth centre position of described the first driven gear 5 and described the second driven gear 6 all has a U-shaped groove, described the first driven gear 5 is intermeshing with described the second driven gear 6, described the first driven gear 5 forms a circular hole 7 with the U-shaped groove on described the second driven gear 6, described expander roll 2 is through described through hole, described the first driven gear 5 and described the second driven gear 6 all with described expander roll 2 frictional fit.Expander roll 2 moves forward and backward by the frictional force between the first driven gear 5 and the second driven gear 6 in warehouse 3.
Described expander roll drive unit also comprise two groups described in driven gear sub-assembly, described in four groups, driven gear sub-assembly is divided into two covers, the described driven gear sub-assembly of corresponding every cover is provided with the first driving gear 8 and the second driving gear 9, described the first driving gear 8 is connected by connecting axle with the second driving gear 9, described driven wheel coordinates with described the first driving gear 8 gears, and the first driven gear 5 of the described driven gear sub-assembly of every cover all coordinates with corresponding described the second driving gear 9 gears.By four groups of driven gear sub-assemblies (being divided into two covers) are set, increase the driving force that expander roll 2 advances or retreats, make two expander rolls 2 more stably in the interior motion of warehouse 3 simultaneously.
Arranged outside at described second driven gear 6 rotor shaft direction the second driven gears 6 has a type expander roll locking device 10, described door type expander roll locking device 10 comprises door pillar body and cross girder, the door pillar body of described expander roll locking device 10 is fixedly connected with described the second driven gear 6, on the cross girder of described expander roll locking device 10, have the screw perpendicular to described the second driven gear 6 rotor shaft direction, corresponding described screw is provided with hexagon socket cap head screw 11.By tightening expander roll locking device 10, can make the first driven gear 5 and the second driven gear 6 coordinate and clamp expander roll 2, increase friction drive.
Described U-shaped pipe fixing device 1 comprises reducing sleeve and sliding sleeve, described reducing sleeve comprises connecting portion, pars intermedia and clamping part, described drill holder jacket casing is contained in described swollen head outside, described connecting portion is fixedly connected with described warehouse 3, described clamping part is split-type chuck, the external diameter that the external diameter of described pars intermedia is less than described split-type chuck while not stepping up, described sliding sleeve is enclosed within described pars intermedia outside, and described U-shaped pipe fixing device 1 also comprises makes to slide over the sliding sleeve mobile device that between pars intermedia and clamping part, slide in front and back.By sliding sleeve, push split-type chuck, make split-type chuck step up U-shaped pipe.
Described sliding sleeve is provided with step surface on surface, described sliding sleeve mobile device comprises band motion block, and described band motion block is fixedly connected with described step surface, on described band motion block, is provided with bearing, on described warehouse 3, be provided with the sliding axle that is parallel to described expander roll 2, described bearing slides on described sliding axle.Between band motion block and step surface, be screwed, thereby slide on sliding axle with the bearing on motion block, drive sliding sleeve to move, by sliding sleeve, indirectly tighten up or decontrol split-type chuck.
On described expander roll 2, be provided with for controlling the travel switch 12 of described expander roll 2 shift motions.The displacement of expander roll 2 is accurately controlled by travel switch 12, indirectly controls the length that needs expand tube.
Also comprise a type portable shelf 13, described door type portable shelf 13 comprises door pillar body and cross girder, and the door pillar body of described door type hanger is fixedly connected with described warehouse 3, on the cross girder of described door type hanger, is provided with handle.It is in order to be convenient for carrying that a type portable shelf 13 is set.
The present invention is comprised of split-type collet segment, portable shelf 13, warehouse 3 and Stroke Control part (by travel switch 12).
When U-shaped pipe is carried out to expand tube, first the two ends of U-shaped pipe are put into respectively to the split-type chuck of both sides, by sliding sleeve mobile device, sliding sleeve is moved to split-type chuck direction, external diameter when being less than split-type chuck and not stepping up the pipeline of U-shaped pipe due to the pars intermedia external diameter of reducing casing tube, moving process is enclosed within on the outer wall of split-type chuck by sliding sleeve, realize tightening up of split-type chuck, thus the fixing position of the pipeline of U-shaped pipe in reducing casing tube.The fixation procedure of above-mentioned U-shaped pipe, the pipeline that can adjust U-shaped pipe enters the length in reducing casing tube.
U-shaped pipe expand tube step be by motor 4 (cycloid hydraulic motor) input power by shaft coupling transmission to driven wheel, by driven wheel, be delivered to the first driving gear 8, because key between the first driving gear 8 and the second driving gear 9 is connected, again by power transmission to the second driving gear 9, and then by power transmission to the first driven gear 5 of the left and right sides, be delivered to the second driven gear 6, the mid portion that the first driven gear 5 and the second driven gear 6 are meshing forms a through hole, the external diameter of the size of through hole and expander roll 2 matches, by the first driven gear 5 and the second driven gear 6, coordinate and push down expander roll 2, utilize its frictional force to drive expander roll 2 motions, swollen of promotion expander roll 2 ends enter U-shaped pipe and carry out expand tube, according to the internal diameter of wanting expand tube, use different swollen head (the thickest part of swollen head is the interior warp of final expand tube), by travel switch 12, control the stroke of expander roll 2, can accurately control the length of U-shaped pipe expand tube, complete after expand tube operation, move thimble handle, eliminate the snap-in force of hydraulic pressure, with hand propelled piston rod, make it be back to initial position.
In whole expand tube process, by a motor 4 (cycloid hydraulic motor), by a plurality of gears, coordinated, reach two expand tube advanced in unison or retreat, the two ends mouth of pipe of U-shaped pipe will carry out expand tube simultaneously, while only avoiding swollen single pipe, can cause another root distortion of U-shaped pipe; In the time of as required can be to U-shaped pipe expand tube, the two ends mouth of pipe selects the swollen head varying in size to realize the different expand tube degree of the U-shaped pipe two ends mouth of pipe.
Whole equipment arranges a type portable shelf 13, is provided with handle and is easy to carry on portable shelf 13; Also can on portable shelf 13, arrange link by hanging equipment hook on.
Above-described embodiment is only for the invention example is clearly described, and the not restriction to the invention specific embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any apparent variations of being extended out within the spirit and principles in the present invention or change are still among the protection domain in the invention claim.
Claims (8)
1.U shape pipe tube expander, is characterized in that: comprise U-shaped pipe fixing device, two expander rolls and the expander roll drive unit for driving two described expander roll advanced in unison and synchronously retreating, the end of described expander roll one end is provided with swollen head.
2. U-shaped pipe tube expander according to claim 1, it is characterized in that: described expander roll drive unit comprises warehouse, in described warehouse, be provided with motor and two groups of driven gear sub-assemblies for driving respectively two described expander rolls to advance or retreat, the output shaft of described motor is connected with driven wheel by shaft coupling, described driven gear sub-assembly comprises the first driven gear and the second driven gear, described the first driven gear and described driven wheel gear coordinate, described the first driven gear and described the second driven gear gear coordinate, the teeth centre position of described the first driven gear and described the second driven gear all has a U-shaped groove, described the first driven gear and described the second driven gear are intermeshing, U-shaped groove on described the first driven gear and described the second driven gear forms a circular hole, described expander roll is through described through hole, described the first driven gear and described the second driven gear all with described expander roll frictional fit.
3. U-shaped pipe tube expander according to claim 2, it is characterized in that: described expander roll drive unit also comprise two groups described in driven gear sub-assembly, described in four groups, driven gear sub-assembly is divided into two covers, the described driven gear sub-assembly of corresponding every cover is provided with the first driving gear and the second driving gear, described the first driving gear is connected by connecting axle with the second driving gear, described driven wheel coordinates with described the first driving gear gear, and the first driven gear of the described driven gear sub-assembly of every cover all coordinates with corresponding described the second driving gear gear.
4. U-shaped pipe tube expander according to claim 3, it is characterized in that: the arranged outside at described second driven gear rotor shaft direction the second driven gear has a type expander roll locking device, described door type expander roll locking device comprises door pillar body and cross girder, the door pillar body of described expander roll locking device is fixedly connected with described the second driven gear, on the cross girder of described expander roll locking device, have the screw perpendicular to described the second driven gear rotor shaft direction, corresponding described screw is provided with hexagon socket cap head screw.
5. according to the arbitrary described U-shaped pipe tube expander of claim 2-4, it is characterized in that: described U-shaped pipe fixing device comprises reducing sleeve and sliding sleeve, described reducing sleeve comprises connecting portion, pars intermedia and clamping part, described drill holder jacket casing is contained in described swollen head outside, described connecting portion is fixedly connected with described warehouse, described clamping part is split-type chuck, the external diameter that the external diameter of described pars intermedia is less than described split-type chuck while not stepping up, described sliding sleeve is enclosed within described pars intermedia outside, described U-shaped pipe fixing device also comprises makes to slide over the sliding sleeve mobile device that between pars intermedia and clamping part, slide in front and back.
6. U-shaped pipe tube expander according to claim 5, it is characterized in that: described sliding sleeve is provided with step surface on surface, described sliding sleeve mobile device comprises band motion block, described band motion block is fixedly connected with described step surface, on described band motion block, be provided with bearing, on described warehouse, be provided with the sliding axle that is parallel to described expander roll, described bearing slides on described sliding axle.
7. U-shaped pipe tube expander according to claim 6, is characterized in that: on described expander roll, be provided with for controlling the travel switch of described expander roll shift motion.
8. U-shaped pipe tube expander according to claim 7, it is characterized in that: also comprise a type portable shelf, described door type portable shelf comprises door pillar body and cross girder, and the door pillar body of described door type hanger is fixedly connected with described warehouse, on the cross girder of described door type hanger, is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390907.3A CN104190806B (en) | 2014-08-08 | 2014-08-08 | U-tube tube expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390907.3A CN104190806B (en) | 2014-08-08 | 2014-08-08 | U-tube tube expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104190806A true CN104190806A (en) | 2014-12-10 |
| CN104190806B CN104190806B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410390907.3A Active CN104190806B (en) | 2014-08-08 | 2014-08-08 | U-tube tube expander |
Country Status (1)
| Country | Link |
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| CN (1) | CN104190806B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363100A (en) * | 2016-11-28 | 2017-02-01 | 中江机电科技江苏有限公司 | Tube expander with the adjustable central distance |
| CN117620016A (en) * | 2023-12-04 | 2024-03-01 | 广东博益空调配套设备有限公司 | A horizontal tube expansion machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197321A (en) * | 1983-04-21 | 1984-11-08 | Kawasaki Steel Corp | Expanding device for uoe pipe |
| CN101722243A (en) * | 2008-10-17 | 2010-06-09 | 铜联商务咨询（上海）有限公司 | Method for expansion copper pipe |
| CN201625732U (en) * | 2010-01-05 | 2010-11-10 | 云南省玉溪市佳利太阳能设备有限公司 | Heat collecting slat roller |
| CN101947602A (en) * | 2010-09-03 | 2011-01-19 | 中山市奥美森工业有限公司 | Automatic Tube Expander |
| CN102527861A (en) * | 2011-12-17 | 2012-07-04 | 王崇高 | Pipe expanding method for ensuring size of heat exchanger |
| CN202411252U (en) * | 2011-12-30 | 2012-09-05 | 中山市奥美森自动化设备有限公司 | An expansion rod transmission device |
| CN102909281A (en) * | 2011-12-31 | 2013-02-06 | 中山市奥美森工业有限公司 | Copper pipe port locking device of pipe expander |
-
2014
- 2014-08-08 CN CN201410390907.3A patent/CN104190806B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197321A (en) * | 1983-04-21 | 1984-11-08 | Kawasaki Steel Corp | Expanding device for uoe pipe |
| CN101722243A (en) * | 2008-10-17 | 2010-06-09 | 铜联商务咨询（上海）有限公司 | Method for expansion copper pipe |
| CN201625732U (en) * | 2010-01-05 | 2010-11-10 | 云南省玉溪市佳利太阳能设备有限公司 | Heat collecting slat roller |
| CN101947602A (en) * | 2010-09-03 | 2011-01-19 | 中山市奥美森工业有限公司 | Automatic Tube Expander |
| CN102527861A (en) * | 2011-12-17 | 2012-07-04 | 王崇高 | Pipe expanding method for ensuring size of heat exchanger |
| CN202411252U (en) * | 2011-12-30 | 2012-09-05 | 中山市奥美森自动化设备有限公司 | An expansion rod transmission device |
| CN102909281A (en) * | 2011-12-31 | 2013-02-06 | 中山市奥美森工业有限公司 | Copper pipe port locking device of pipe expander |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363100A (en) * | 2016-11-28 | 2017-02-01 | 中江机电科技江苏有限公司 | Tube expander with the adjustable central distance |
| CN117620016A (en) * | 2023-12-04 | 2024-03-01 | 广东博益空调配套设备有限公司 | A horizontal tube expansion machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104190806B (en) | 2016-08-17 |
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Effective date of registration: 20210930 Address after: No.52, Linyin Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee after: SUMAITE INTELLIGENT TECHNOLOGY (JIANGSU) Co.,Ltd. Address before: 226600 Jiangsu Nantong Haian County West Town Industrial Concentration Area Patentee before: ZJMECH TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221027 Address after: 226621 Jiangsu Nantong Haian County West Town Industrial Concentration Area Patentee after: ZJMECH TECHNOLOGY Co.,Ltd. Patentee after: SUMAITE INTELLIGENT TECHNOLOGY (JIANGSU) Co.,Ltd. Address before: No.52, Linyin Road, Nantong Economic and Technological Development Zone, Jiangsu Province, 226000 Patentee before: SUMAITE INTELLIGENT TECHNOLOGY (JIANGSU) Co.,Ltd. |