CN108339895B - Pipe Flaring Device - Google Patents
Pipe Flaring Device Download PDFInfo
- Publication number
- CN108339895B CN108339895B CN201810250379.XA CN201810250379A CN108339895B CN 108339895 B CN108339895 B CN 108339895B CN 201810250379 A CN201810250379 A CN 201810250379A CN 108339895 B CN108339895 B CN 108339895B
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- CN
- China
- Prior art keywords
- flaring
- station
- pressed
- path
- rod
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
Abstract
The invention relates to a pipe flaring device. The pipe fitting port expanding device comprises a plurality of expanding rods capable of expanding the pipe fitting port when being inserted into the pipe fitting port, wherein each expanding rod moves along an inserting and pulling path, and at least one station to be pressed and one station to be pressed are arranged on the inserting and pulling path, and each expanding rod is inserted into the pipe fitting port when moving from the station to be pressed to the station to be pressed so as to expand the pipe fitting port; the pipe flaring device also comprises a rolling mechanism which moves along a rolling path; all flaring rods are arranged along a rolling path; all flaring rods are pressed one by the rolling mechanism from the station to be pressed to the pressed station when the rolling mechanism moves along the rolling path. According to the invention, a large number of flaring rods can be pressed into the pipe fitting ports one by adopting the rolling mechanism, so that the energy consumption can be reduced, and the space layout of the whole flaring device is facilitated; in addition, the acting force of the rolling mechanism applied to each flaring rod can be controlled, and the problem that the quality of a pipe flaring finished product is affected due to uneven stress of part of flaring rods is avoided.
Description
Technical Field
The invention relates to a pipe flaring device.
Background
Flaring devices are common equipment for the tube port forming process. During the manufacture of a heat exchanger (also referred to as a condenser), the tube ports of the heat exchanger require a flaring operation. The heat exchanger generally has tens or even tens of pipe fittings needing to be flared, and the flaring working mode of the traditional flaring device generally adopts the mode of flaring all pipe fittings at one time, so that the flaring rods with the same number as the pipe fittings are required to be pushed into all pipe fittings at one time. The flaring working mode needs to be provided with a driving source capable of outputting enough power to drive more than ten flaring rods and even tens of flaring rods to act simultaneously, which not only results in high production cost and high energy consumption, but also is unfavorable for the space layout design of flaring equipment. In addition, the larger power output by the driving source cannot be uniformly distributed on each flaring rod, so that the power of part of flaring rods is overlarge, the ports of the pipe fittings are extruded and deformed, and the quality of finished products is affected.
Disclosure of Invention
The invention aims to provide a pipe flaring device capable of reducing production cost.
The above object is achieved by the following technical scheme:
the pipe fitting flaring device comprises a plurality of flaring rods capable of expanding the pipe fitting port when being inserted into the pipe fitting port, wherein each flaring rod moves along an inserting and pulling path, and at least one station to be pressed and one station to be pressed are arranged on the inserting and pulling path, and each flaring rod is inserted into the pipe fitting port when moving from the station to be pressed to the station to be pressed so as to expand the pipe fitting port; the pipe flaring device also comprises a rolling mechanism which moves along a rolling path; all flaring rods are arranged along a rolling path; all flaring rods are pressed one by the rolling mechanism from the station to be pressed to the pressed station when the rolling mechanism moves along the rolling path.
According to the invention, a large number of flaring rods can be pressed into the pipe fitting ports one by adopting the rolling mechanism, and the output power required by the rolling mechanism is much smaller than that required by the traditional flaring working mode, so that a power source with relatively smaller power output can be adopted, the consumption of energy sources can be reduced, the production cost can be reduced, and the space layout of the whole flaring device is facilitated; in addition, the acting force of the rolling mechanism applied to each flaring rod can be controlled, and the problem that the quality of a pipe flaring finished product is affected due to uneven stress of part of flaring rods is avoided.
Drawings
Fig. 1 shows a schematic structural diagram of a first embodiment of the present invention;
fig. 2 to 11 are schematic diagrams illustrating the operation of the first embodiment of the present invention, in which fig. 3 is a partially enlarged view of a portion a of fig. 2, and fig. 4 is a schematic diagram illustrating the flaring rod separated from the sliding seat on the basis of fig. 3;
fig. 12 shows a schematic structural view of a second embodiment of the present invention, wherein fig. 12 is a schematic view of the roller mechanism replaced with the crawler mechanism based on fig. 11;
fig. 13 shows a schematic structural view of a third embodiment of the present invention, wherein fig. 13 is a schematic view after replacing the roller mechanism with a slide plate provided with a slope on the basis of fig. 11.
Reference numerals:
10 heat exchanger, 101 pipe fitting port;
20 flaring rods, 201 rod parts, 202 flaring heads and 203 tail parts;
30 rolling mechanism, 301 wheel frame, 302 roller, 303 roller circumference surface, 304 belt wheel frame, 305 belt wheel, 306 crawler belt, 307 slide plate, 308 inclined plane;
40 sliding seat, 401 channel;
50 a first power source;
60 a second power source;
h plug path;
h1 insertion direction;
the H2 pulling-out direction;
l rolling paths;
p advancing and retreating paths;
d1 diameter or maximum external dimension of tail of flaring rod;
the inner diameter of the D2 channel.
The specific embodiment is as follows:
embodiment one:
the pipe flaring device as shown in fig. 1 to 11 can be used for pipe flaring of a heat exchanger 10, and comprises a plurality of flaring rods 20 capable of expanding a pipe port 101 when being inserted into the pipe port 101, wherein each flaring rod 20 moves along a plugging path H, and at least one station to be pressed and one station to be pressed are arranged on the plugging path H, and each flaring rod 20 is inserted into the pipe port 101 when moving from the station to be pressed to the station to be pressed so as to expand the pipe port 101;
the tube flaring device also includes a crimping mechanism 30 that moves along a crimping path L;
all flaring stems 20 are aligned along a rolling path L;
all the flaring stems 20 are pressed one by the laminating mechanism 30 from the station to be pressed to the pressed station as it moves along the laminating path L.
The rolling path L and the inserting path H are perpendicular to each other. According to the technical scheme, the motion in the horizontal direction of the rolling mechanism can be converted into the motion in the vertical direction of the flaring rod, and the spatial layout design of the whole flaring device is facilitated.
All of the flared bars 20 are spaced along the rolling path L.
The pipe flaring device further comprises a sliding seat 40 moving along a advancing and retreating path P, wherein the advancing and retreating path P is parallel to the inserting and pulling path H;
when the sliding seat 40 moves along the advancing and retreating path P, the flaring rod 20 at the pressed station is driven to move from the pressed station to the station to be pressed, so that the flaring rod 20 is pulled out of the pipe fitting port 101. According to the technical scheme, after the pipe fitting is flared, the flaring rod can be pulled out of the pipe fitting mechanically and automatically by arranging the sliding seat.
The sliding seat 40 is provided with a plurality of channels 401, and each channel 401 is respectively penetrated by a flaring rod 20;
each flaring stack 20 includes a stem portion 201 extending through the channel 401 and slidably engaged with the channel 401, a flaring portion 202 disposed at one end of the stem portion 201, and a tail portion 203 disposed at the other end of the stem portion 201, wherein in this embodiment, the flaring portion 202 is disposed at the lower end of the stem portion 201 and the tail portion 203 is disposed at the upper end of the stem portion;
the tail 203 of each flaring rod is arranged to inhibit passage through the channel 401 to enable the sliding seat 40 to push against the tail 203 of each flaring rod to apply a force to each flaring rod 20 as it moves along the advancing and retreating path P in the retracting direction H2. The technical scheme has a simple structure, and the sliding seat can apply force to the flaring rod by pushing against the tail part of the flaring rod so as to pull the flaring rod away from the pipe fitting port, thereby being convenient for pulling out the flaring rods from the pipe fitting port.
In this embodiment, the flaring portion of the flaring stem is configured to flare the pipe wall at the pipe port when inserted into the pipe port to effect flaring of the pipe port.
The diameter or maximum external dimension D1 of the tail of each flared rod is greater than the inner diameter D2 of the channel such that the tail 203 of each flared rod is inhibited from passing through channel 401.
The rolling path L is parallel to the horizontal plane, and the inserting path H is perpendicular to the horizontal plane;
the direction from the station to be pressed to the pressed station is an insertion direction H1, and the direction from the station to be pressed to the station to be pressed is a pulling-out direction H2;
the plugging path H is also provided with a pulling-out station, wherein the pulling-out station, the station to be pressed and the pressed station are sequentially arranged along the plugging direction H1;
the flaring portion 202 of each flaring rod is separated from the tube port 101 when the flaring rod 20 is in a unplugging station, wherein FIGS. 2 and 3 illustrate the flaring rod 20 in a unplugging station;
the flaring portion 202 of each flaring rod is supported by the tube by pressing against the tube port 101 when the flaring rod 20 is in the station to be pressed, wherein FIGS. 5, 6 and 7 illustrate the flaring rod 20 in the station to be pressed;
the flaring portion 202 of each flaring rod is inserted into the tube port 101 to enlarge the tube port 101 when the flaring rod 20 is in a compressed position, wherein FIG. 9 shows the leftmost flaring rod 20 (i.e., the first flaring rod from left to right) in the compressed position;
a suspension station and a separation station are sequentially arranged on the advancing and retreating path P along the inserting direction H1;
the tail 203 of each flaring rod is supported by the sliding seat 40 by pressing against the sliding seat 40 when the sliding seat 40 is in the hanging position, at this time, each flaring rod 20 is in the pulling-out position, and each flaring rod is hung on the sliding seat, wherein fig. 2 and 3 show the sliding seat 40 in the hanging position;
the tail 203 of each flaring rod is separated from the sliding seat 40 when the sliding seat 40 is in the separation station, wherein FIG. 6 shows the sliding seat 40 in the separation station;
when the sliding seat 40 moves along the advancing and retreating path P, the flaring rod 20 at the pressed station is driven to move from the pressed station to the station to be pressed so that the flaring rod 20 is inserted into the pipe port 101, that is, when the sliding seat 20 moves along the advancing and retreating path P to the pulling-out direction H2, the flaring rod 20 at the pressed station is driven to move from the pressed station to the station to be pressed so that the flaring rod 20 is pulled out of the pipe port 101.
The embodiment adopts an assembly mode that each flaring rod is hung on the sliding seat, has simple structure, convenient implementation and reasonable design, and can be convenient for the disassembly and assembly of each flaring rod.
The rolling mechanism 30 is a roller mechanism and comprises a wheel frame 301 and a roller 302 rotatably mounted on the wheel frame 301;
the circumferential surface 303 of the roller rolls each flaring rod 20 as the rolling mechanism 30 moves along the rolling path L. In particular, the circumferential surface 303 of the roller rolls the tail 203 of each flaring rod as the rolling mechanism moves along the rolling path L.
In this embodiment, the contact between the tail of each flaring rod and the circumferential surface of the roller is designed as a round angle, which is beneficial to the relative movement of the roller and the tail of each flaring rod.
In this embodiment, the pipe flaring device further includes a first power source 50 for driving the rolling mechanism 30 to move along the rolling path L and a second power source 60 for driving the sliding seat 40 to move along the advancing and retreating path P. Further, the roller 302 of the rolling mechanism may be equipped with a roller driving source (not shown in the figure) by which the roller 302 is driven to rotate. Of course, the roller driving source is not necessarily provided. Furthermore, it is possible to guide and limit the movement of the grinding means only along the grinding path L by providing a guide means (for example a guide rail).
The flaring working mode of this embodiment is as follows:
as shown in fig. 2, the slide mount 40 is in the hanging position, at which time each flaring rod 20 is in the unplugging position;
moving the slide block 40 from the hanging station along the advancing and retreating path P toward the inserting direction H1 (i.e., toward the separating station), as shown in fig. 5, before the slide block 40 reaches the separating station, the flaring portions 202 of the flaring rods are pressed against the pipe ports 101, and at this time, the flaring rods 20 are positioned at the station to be pressed;
moving the sliding seat 40 along the advancing and retreating path P in the inserting direction H1 until reaching the separating station (see fig. 6), during which each flaring rod 20 is still at the station to be pressed;
the rolling mechanism 30 is driven to move along the rolling path L, as shown in FIG. 7, the circumferential surface 303 of the roller is ready to collide with the tail 203 of the first flaring rod from left to right in the drawing;
continuing to drive the rolling mechanism 30 to move along the rolling path L, as shown in FIG. 8, the circumferential surface 303 of the roller starts to contact with the tail 203 of the first flaring rod from left to right in the drawing, and at this time, the first flaring rod 20 starts to move from the station to be pressed to the pressed station;
continuing to drive the rolling mechanism 30 to move along the rolling path L, as shown in FIG. 9, the first flaring rod 20 from left to right in the drawing reaches the pressed station, and the flaring operation of the first flaring rod 20 is completed;
the rolling mechanism 30 is driven to move along the rolling path L continuously, as shown in fig. 10 and 11, after which the rolling mechanism 30 presses the second, third, fourth and other flaring rods from left to right to the pressed stations one by one.
When all the flaring rods 20 reach the pressed stations, the sliding seat 40 is driven to move from the separating station along the advancing and retreating path to the pulling-out direction H2, so that each flaring rod 40 can be pulled out of the pipe fitting port 101.
Embodiment two:
the present embodiment modifies the roller compaction mechanism to a crawler mechanism, as shown in fig. 12, which includes a pulley frame 304, a plurality of pulleys 305 rotatably mounted on the pulley frame 304, and a crawler 306 sleeved outside the pulleys 305;
the track 306 rolls each of the flared rods 20 as the rolling mechanism 30 moves along the rolling path L. In particular, the track 306 rolls the tail 203 of each flaring rod as the rolling mechanism moves along the rolling path L.
In this embodiment, there are 3 pulleys 305, and 1 pulley 305 is respectively distributed at three apexes of a triangle, and among the 3 pulleys 305, one pulley 305 has a diameter relatively larger than that of the other two pulleys 305, and the pulley 305 with the largest diameter first applies force to each flaring rod 20 through the crawler 306 to enhance climbing capability.
Other structures of this embodiment are the same as those of the first embodiment, and will not be described here again.
Embodiment III:
as shown in fig. 13, the present embodiment modifies the roller pressing mechanism of the first embodiment to a slide plate 307 provided with a slope 308, wherein the lowest position of the slope 308 is shown in fig. 13 to be located below the lowest position of the slope 308, and the slope 308 is gradually inclined upward in the left-to-right direction in fig. 13;
the ramp 308 rolls each of the flaring stems 20 as the rolling mechanism moves along the rolling path, and in particular, the ramp 308 rolls the tail 203 of each flaring stem as the rolling mechanism moves along the rolling path L.
Having described the preferred embodiments of the present invention in detail, it will be apparent to those skilled in the art that various changes and modifications may be made therein without departing from the scope and spirit of the following claims and that the invention is not limited to the implementations of the exemplary embodiments set forth in the specification. It should be noted that the word "comprising" does not exclude other elements or steps. In addition, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (6)
1. The pipe fitting flaring device comprises a plurality of flaring rods capable of expanding the pipe fitting port when being inserted into the pipe fitting port, wherein each flaring rod moves along an inserting and pulling path, and at least one station to be pressed and one station to be pressed are arranged on the inserting and pulling path, and each flaring rod is inserted into the pipe fitting port when moving from the station to be pressed to the station to be pressed so as to expand the pipe fitting port; the method is characterized in that:
the pipe flaring device also comprises a rolling mechanism which moves along a rolling path;
all flaring rods are arranged along a rolling path;
all flaring rods are pressed one by the rolling mechanism from a station to be pressed to a pressed station when the rolling mechanism moves along a rolling path;
the pipe flaring device also comprises a sliding seat which moves along a advancing and retreating path, wherein the advancing and retreating path is parallel to the inserting and pulling path;
when the sliding seat moves along the advancing and retreating path, the flaring rod at the pressed station is driven to move from the pressed station to the station to be pressed so as to pull the flaring rod away from the pipe fitting port;
the sliding seat is provided with a plurality of channels, and each channel is respectively penetrated with a flaring rod;
each flaring rod comprises a rod part penetrating through the channel and in sliding fit with the channel, a flaring part arranged at one end of the rod part, and a tail part arranged at the other end of the rod part, wherein the tail part of each flaring rod is arranged to inhibit the passage through the channel;
the diameter or the maximum external dimension of the tail part of each flaring rod is larger than the inner diameter of the channel so that the tail part of each flaring rod can not pass through the channel;
the rolling path is parallel to the horizontal plane, and the inserting path is perpendicular to the horizontal plane;
the direction from the station to be pressed to the pressed station is an insertion direction, and the direction from the pressed station to the station to be pressed is a pulling-out direction;
the plugging path is also provided with a pulling-out station, wherein the pulling-out station, the station to be pressed and the pressed station are sequentially arranged along the plugging direction;
the flaring heads of the flaring rods are separated from the pipe fitting ports when the flaring rods are in a pulling-out station;
the flaring heads of the flaring rods are propped against the ports of the pipe fitting when the flaring rods are positioned at the station to be pressed so as to be supported by the pipe fitting;
the flaring heads of the flaring rods are inserted into the pipe fitting ports when the flaring rods are in the pressed stations so as to enlarge the pipe fitting ports;
a suspension station and a separation station are sequentially arranged on the advancing and retreating path along the inserting direction;
the tail part of each flaring rod is propped against the sliding seat and supported by the sliding seat when the sliding seat is positioned at the hanging station, and at the moment, each flaring rod is positioned at the pulling-out station;
the tail part of each flaring rod is separated from the sliding seat when the sliding seat is positioned at the separation station;
the sliding seat drives the flaring rod at the pressed station to move from the pressed station to the station to be pressed so as to enable the flaring rod to be inserted into the pipe fitting port when moving along the advancing and retreating path, namely, the sliding seat drives the flaring rod at the pressed station to move from the pressed station to the station to be pressed so as to enable the flaring rod to be pulled out of the pipe fitting port when moving along the advancing and retreating path to the pulling-out direction.
2. The tube flaring device of claim 1, wherein: the rolling path and the inserting path are mutually perpendicular.
3. The tube flaring device of claim 1, wherein: all flaring stems are spaced along the laminating path.
4. A tube flaring device as claimed in claim 1 or 2 or 3, wherein:
the rolling mechanism is a roller mechanism and comprises a wheel frame and a roller rotatably arranged on the wheel frame;
the circumferential surface of the roller rolls the flaring rods when the rolling mechanism moves along the rolling path.
5. A tube flaring device as claimed in claim 1 or 2 or 3, wherein:
the rolling mechanism is a crawler mechanism and comprises a belt wheel frame, a plurality of belt wheels rotatably arranged on the belt wheel frame and a crawler sleeved outside the belt wheels;
the track rolls the flaring rods as the rolling mechanism moves along the rolling path.
6. A tube flaring device as claimed in claim 1 or 2 or 3, wherein:
the rolling mechanism is a sliding plate with an inclined plane;
the bevel slide plate rolls each flaring rod when the rolling mechanism moves along the rolling path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250379.XA CN108339895B (en) | 2018-03-26 | 2018-03-26 | Pipe Flaring Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810250379.XA CN108339895B (en) | 2018-03-26 | 2018-03-26 | Pipe Flaring Device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339895A CN108339895A (en) | 2018-07-31 |
| CN108339895B true CN108339895B (en) | 2023-09-01 |
Family
ID=62958239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810250379.XA Active CN108339895B (en) | 2018-03-26 | 2018-03-26 | Pipe Flaring Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108339895B (en) |
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| GB1429611A (en) * | 1974-01-08 | 1976-03-24 | Mitsubishi Heavy Ind Ltd | Bending metal plates |
| US4323337A (en) * | 1977-06-20 | 1982-04-06 | Korff Wolfram G | Selective multiple pipe compression belling machine |
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| WO2008025817A1 (en) * | 2006-08-31 | 2008-03-06 | Valeo Systemes Thermiques | Method for connecting a heat-exchanger to a single-piece tubular collection casing and flaring device for realising said method |
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| CN107790551A (en) * | 2017-12-18 | 2018-03-13 | 浙江摩多巴克斯科技股份有限公司 | A kind of pipe fitting flattens flaring tool |
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| KR20110010802A (en) * | 2009-04-16 | 2011-02-07 | 히다카 세이키 가부시키가이샤 | Method for enlarging heat exchanger tube and device for enlarging heat exchanger tube |
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| GB1429611A (en) * | 1974-01-08 | 1976-03-24 | Mitsubishi Heavy Ind Ltd | Bending metal plates |
| US3932094A (en) * | 1974-06-17 | 1976-01-13 | Emery Company, Inc. | Multiple station plastic pipe belling machine |
| US4323337A (en) * | 1977-06-20 | 1982-04-06 | Korff Wolfram G | Selective multiple pipe compression belling machine |
| JP2002316227A (en) * | 2001-04-23 | 2002-10-29 | Mitsubishi Electric Corp | Flare expanding device of heat exchanger |
| WO2008025817A1 (en) * | 2006-08-31 | 2008-03-06 | Valeo Systemes Thermiques | Method for connecting a heat-exchanger to a single-piece tubular collection casing and flaring device for realising said method |
| JP2008100251A (en) * | 2006-10-18 | 2008-05-01 | Arai Seisakusho Co Ltd | Flare expanding device |
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| Publication number | Publication date |
|---|---|
| CN108339895A (en) | 2018-07-31 |
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