CN106541002B - A kind of U-tube stewing device processed - Google Patents
A kind of U-tube stewing device processed Download PDFInfo
- Publication number
- CN106541002B CN106541002B CN201610847388.8A CN201610847388A CN106541002B CN 106541002 B CN106541002 B CN 106541002B CN 201610847388 A CN201610847388 A CN 201610847388A CN 106541002 B CN106541002 B CN 106541002B
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- Prior art keywords
- tube
- device processed
- station
- rotating arm
- axis
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Classifications
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- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- 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
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
Abstract
The invention discloses a kind of U-tubes to simmer device processed, comprising: station, with horizontal operating surface and perpendicular to the axis of operating surface setting；Limiting device, limiting device include the position stopping arch plate of U-shaped and the positioning device that can be fixed on position stopping arch plate on station, and when simmering U-tube processed, the outer wall of position stopping arch plate constitutes the mold of opposite heat tube moulding to outer support heat exchanger tube；Device processed is simmered in rotation, it includes being parallel to the operating surface of station and the rotating arm that can rotate using the axis of station as center axis and being located at the driving pulley rotated together with rotating arm on rotating arm that device processed is simmered in rotation, in rotating arm rotation, driving pulley, which inwardly squeezes heat exchanger tube, makes the heat exchanger tube heat pipe of linear bend along the outer wall of position stopping arch plate, inside refers to radially and towards the direction of axis.Present invention solves the technical problem that be to overcome U-tube is simmered into this high disadvantage, a kind of this low U-tube that is simmered into is provided and simmers a device processed.
Description
Technical field
The present invention relates to a kind of metal tubes to simmer field processed.Specially a kind of U-tube simmers device processed.
Background technique
U-tube heat exchanger is one kind of shell heat exchanger, belongs to petrochemical equipment, main by bobbin carriage, shell and tube bank etc.
Component composition, gains the name because its heat exchanger tube is at U-shaped.As chemical equipment production capacity constantly increases, the specification of U-tube heat exchanger also exists
It continues to increase, diameter also becomes conventional equipment in the U-tube heat exchanger of 1000mm or more, therefore as the U-shaped of main component
The demand of heat exchanger tube is also increasing.
U-shaped heat exchanger tube is to be made by straight tube by bending pipe machine stewing, and bending pipe machine generally on the market simmers radius processed in 30mm
To between 500mm, principle is driven as shown in Figure 1, motor drives driving wheel 1 to rotate, while driven wheel 2 being driven to rotate around driving wheel
Wheel, which squeezes heat exchanger tube 3, makes it deform along driving wheel 1.Driving wheel is generally process by δ=40~80mm thick steel plate, to simmer system
U-tube radius it is bigger, driving wheel diameter is bigger, this causes the cost of driving wheel very high.Simultaneously as U heat exchange diameter
There are many specifications, thus need to make the driving wheel of many specifications, the consumption of a large amount of thick steel plates is so that being simmered into for U-tube is non-
Chang Gao.In addition, the driving force needed for rotating heavy driving wheel is very big, the waste of energy is caused.
Summary of the invention
Present invention solves the technical problem that be to overcome U-tube is simmered into this high disadvantage, one kind is provided and is simmered into this
Low U-tube simmers device processed.
U-tube of the invention simmers device processed, comprising:
Station, with horizontal operating surface and perpendicular to the axis of operating surface setting；
Limiting device, the limiting device include the position stopping arch plate of U-shaped and the position stopping arch plate can be fixed on the behaviour
Make the positioning device on platform, when simmering U-tube processed, the outer wall of the position stopping arch plate constitutes opposite heat tube moulding to outer support heat exchanger tube
Mold；
Device processed is simmered in rotation, the rotation simmer device processed include be parallel to the station operating surface and can be with described
The axis of station is the active cunning that the rotating arm and being located at of center axis rotation rotates together with the rotating arm on the rotating arm
Wheel, the rotating arm rotation when, the driving pulley inwardly squeeze the heat exchanger tube make the heat exchanger tube heat pipe of linear along
The outer wall of the position stopping arch plate bends, it is described in refer to radially and towards the direction of the axis.
Preferably, the positioning device includes slideway and can be described along the internal stop and outer baffle block that the slideway moves
Slideway is removably secured with the station and connect, and the internal stop, outer baffle block can be locked in institute by lock-screw
It states on slideway, the position stopping arch plate is clamped between the internal stop and outer baffle block.
Preferably, being equipped with multiple rows of screw thread at radial arrangement by the center of circle of the axis on the operating surface of the station
Hole, every row include multiple threaded holes, and it includes multiple limiting devices, screw thread described in every row that the U-tube, which simmers device processed,
Hole is used to fix the slideway of a positioning device, and the slideway of each positioning device passes through two in screw and row's threaded hole
Removably connect between a adjacent screw holes.The operating surface is equipped with the size scale radially extended using the axis as the center of circle.
Prevent the position stopping arch plate in stewing U preferably, the operating surface is additionally provided with to offset with the heat exchange pipe outer wall
The backing pin rotated during shape pipe.The operating surface is equipped with backing pin slot, and the backing pin can be moved along the backing pin slot and quilt
It positions relative to the backing pin slot and cooperates so as to the outer wall of the heat exchanger tube with different radii.
Preferably, to be equipped with the universal wheel that can walk on the operating surface described to support for the lower section of the driving pulley
Driving pulley is rotated in sustained height.The driving pulley is equipped with along its circumferentially extending for cooperating with the heat exchange pipe outer wall
Crescent moon slot structure.
Preferably, setting is parallel on the rotating arm and can rotate relative to the rotating arm on the rotating arm
Adjusting screw and adjusting nut with adjusting screw cooperation, the adjusting nut can pass through positioning screw and the adjusting
Lead screw is fixed, and the driving pulley is located on the adjusting nut and can do rotation movement.
Compared to the prior art U-tube of the invention simmers device processed, have the advantages that
1, U-tube of the invention simmers device processed and constitutes the mold of heat exchanger tube deformation with the position stopping arch plate of U-shaped, and existing
It is compared by the technology of mold of driving wheel, is saved greatly the usage amount of thick steel plate, especially in stewing major diameter U-tube,
This advantage is more obvious.Meanwhile it is no longer the thick steel plate system that is driven by a motor that U-tube of the invention, which simmers the stewing brake force of device processed,
At heavy driving wheel rotated and provided, but push rotating arm rotation to can be realized stewing by manpower or mechanical force
Pipe.
2, the connection of slideway and station is dismountable, therefore does not need to make long slideway, can use short cunning
Road adjusts position according to the radius of the U-tube of system to be simmered in radial directions, to adapt to the position stopping arch plate of different size, thus into
One step has saved cost.
3, station is provided with the backing pin for preventing heat exchanger tube from rotating, and is additionally provided with backing pin slot on operating surface, backing pin can be along backing pin
Slot is mobile and is cooperated by positioning relative to backing pin slot so as to the outer wall of the heat exchanger tube with different radii.
4, on rotating arm setting be parallel on rotating arm and can relative to rotating arm rotation adjusting screw and with adjusting
The adjusting nut of lead screw cooperation, adjusting nut can be fixed by positioning screw and adjusting screw, and driving pulley is located at adjusting nut
Above and it can do rotation movement.Adjusting screw is rotated, adjusting nut is moved in a straight line along adjusting screw, to adjust driving pulley
Position adapts it to the position stopping arch plate of any specification.
Detailed description of the invention
Fig. 1 is the stewing schematic illustration that U-tube described in background technique simmers device processed.
Fig. 2 is that the U-tube of one embodiment of the invention simmers the stewing schematic illustration of device processed.
Fig. 3 is that the U-tube of one embodiment of the invention simmers the main view of device processed.
Fig. 4 is that the U-tube of one embodiment of the invention simmers the top view of device processed.
Fig. 5 is the enlarged structure schematic diagram that the U-tube of one embodiment of the invention simmers the position stopping arch plate of device processed.
Fig. 6 is the enlarged structure schematic diagram that the U-tube of one embodiment of the invention simmers the slideway of device processed.
Fig. 7 is the enlarged structure schematic diagram that the U-tube of one embodiment of the invention simmers the internal stop of device processed.
Fig. 8 is the enlarged structure schematic diagram that the U-tube of one embodiment of the invention simmers the outer baffle block of device processed.
Fig. 9 is that the U-tube of one embodiment of the invention simmers the positioning device of device processed and the fit structure of position stopping arch plate shows
It is intended to.
Figure 10 is the enlarged structure schematic diagram that the U-tube of one embodiment of the invention simmers the adjusting nut of device processed.
Figure 11 is the top view that the U-tube of one embodiment of the invention simmers the operating surface of device processed.
The prior art
1 driving wheel, 2 driven wheels, 3 heat exchanger tubes.
The embodiment of the present invention
1 station, 11 steel tire plates, 12 supporting legs, 13 axis, 14 threaded holes, 15 backing pins；
2 limiting devices, 21 position stopping arch plates, 211 straightways, 212 segmental arcs, 22 positioning devices, 221 slideways, 2211 sliding slots,
222 internal stops, 2221 lock-screws, 2222 evagination arcwall faces, 223 outer baffle blocks, 2231 lock-screws, 2232 concave curved surfaces；
Device processed is simmered in 3 rotations, and 31 rotating arms, 32 driving pulleys, 33 adjusting screws, 331 handles, 34 adjusting nuts, 341 is fixed
Position screw hole, 342 positioning screws, 35 universal wheels；
4 heat exchanger tubes.
Specific embodiment
The U-tube that Fig. 3 to Figure 11 show one embodiment of the invention simmer device processed overall structure and each part diagram.
As shown in Figure 3 and Figure 4, it includes that device 3 processed is simmered in station 1, limiting device 2 and rotation that U-tube of the invention, which simmers device processed,.Its
In, station 1 is by steel tire plate 11 and the supporting leg 12 of the steel tire plate 11 is supported to constitute, and the upper surface of steel tire plate 11 constitutes
Operating surface, operating surface are horizontal and flat and smooth.The steel tire plate 11 is equipped with the axis 13 perpendicular to operating surface, and axis 13 can
To be fixed together with station 1, can also be rotated relative to station 1.
Limiting device 2 includes the position stopping arch plate 21 of U-shaped and the position stopping arch plate 21 can be fixed on the station 1
Positioning device 22, when simmering U-tube processed, the outer wall of the position stopping arch plate 21 constitutes the mould of opposite heat tube moulding to outer support heat exchanger tube 4
Tool.In the present embodiment, as shown in figure 5, position stopping arch plate 21 is U-shaped, including two straightways 211 and it is located at two straightways
Semicircular segmental arc 212 between 211.The heat exchanger tube 4 that the system of stewing is completed is including straight pipe and between two straight pipes
Bend loss.
The rotation simmer device 3 processed include be parallel to the station 1 operating surface and can be with the axis of the station 1
13 be the rotating arm 31 and be located at the driving pulley rotated together on the rotating arm 31 with the rotating arm 31 that center axis rotates
32, in the rotating arm 31 rotation, the driving pulley 32, which inwardly squeezes, is located at the position stopping arch plate 21 and driving pulley 32
Between the heat exchanger tube 4 so that the heat exchanger tube heat pipe of linear is bent along the outer wall of the position stopping arch plate 21.Institute in Fig. 4
The curved arrow shown is the direction of rotation of rotating arm.The rotation of rotating arm 31 can be driven by manpower, can also pass through electricity
Machine drives, and the specially described axis 13 can be connect to synchronous rotary with the rotating arm 31, the axis 13 can be in the driving of motor
Under relative to the station 1 rotate, axis 13 can be rotated relative to station 1 in this case.It can also be in rotating arm 31
Upper applied force generates the torque for rotating rotating arm 31, rotates rotating arm 31 around axis 13, axis 13 can be with station 1 at this time
It is fixed.
As shown in Fig. 2, heat exchanger tube 4 is between position stopping arch plate 21 and driving pulley 32 and by two in stewing heat exchanger tube 4
Person clamps, and the inner wall of heat exchanger tube 4 is close to the outer wall of position stopping arch plate 21, since driving pulley 32 is located on rotating arm 31, so main
The rotary motion of movable pulley 32 is also with axis 13 for the center of circle.When driving pulley 32 starts rotation, heat exchanger tube 4 and driving pulley 32 are right
The position answered is arcing point, and from this point on, deformation takes place by mold of the outer wall of position stopping arch plate 21 in heat exchanger tube 4, is formed
Acnode until the position finally to deform when semicircle.
U-tube of the invention simmers device processed and constitutes the mold of the deformation of heat exchanger tube 4 with the position stopping arch plate 21 of U-shaped, and existing
Compared by the technology of mold of driving wheel, the usage amount of thick steel plate is saved greatly, especially in stewing major diameter U-tube
When, this advantage is more obvious.Meanwhile it is no longer to be driven by a motor thick steel that U-tube of the invention, which simmers the stewing brake force of device processed,
Heavy driving wheel made of plate is rotated to provide, but is provided by rotating arm 31, rotates rotating arm 31 by manpower
Stewing pipe can be realized.
Positioning device 22 is used to position position stopping arch plate 21, as shown in figure 9, in the present embodiment, positioning device 22
Including the slideway 221 that radially extends and can be along the internal stop 222 and outer baffle block 223 that the slideway 221 moves, Fig. 6 is shown
The structural schematic diagram of slideway 221, slideway 221 are the sliding slot 2211 of swallow-tail form.Fig. 7 and Fig. 8 is respectively internal stop 222 and outer baffle block
223 structural schematic diagram.Internal stop 222 and outer baffle block 223 all have to be protruded with the swallow-tail form of sliding slot cooperation, and swallow-tail form protrusion is stretched
It is moved in into slideway 221 along slideway 221.
The slideway 221 by the cooperation of sunk screw and the threaded hole 14 being located on the operating surface of the station 1 and
Station 1 connects.As shown in figure 9, the internal stop 222 and outer baffle block 223 pass through lock-screw 2221 and lock-screw respectively
2231 are locked on slideway 221, and the position stopping arch plate 21 is clamped between the internal stop 222 and outer baffle block 223.?
In the present embodiment, internal stop 222 has an evagination arcwall face 2222 cooperated with the inner wall of position stopping arch plate, outer baffle block 223 have with
The concave curved surface 2232 of the outer wall cooperation of position stopping arch plate, to adapt to the shape of position stopping arch plate.It is mounted on steel tire plate 11
The center of circle of the arc section of position stopping arch plate 21 and the axle center of the axis 13 are in same point.The position of internal stop 222 and outer baffle block 223
Along the adjustable stewing system so as to adapt to the U-tube of different radii of slideway 221.
It as a preferred option, as shown in figure 11, is that the center of circle is in equipped with multiple rows of with axis 13 on the operating surface of the station 1
The threaded hole 14 of radial arrangement is in the present embodiment arrangement such as Figure 11 institute of 7 row's threaded hole, 14,7 row's threaded hole 14
Show, i.e., from semicircular 0 ° to 180 °, every 30 ° of one row's threaded holes 14 of setting.Every row includes multiple threaded holes 14, at this
In embodiment, every row includes 8 threaded holes 14.It includes multiple limiting devices 2, screw thread described in every row that the U-tube, which simmers device processed,
Hole 14 is used to fix the slideway 221 of a positioning device 22, the slideway 221 and row's threaded hole 14 of each positioning device 22
In two adjacent screw holes 14 between it is detachably connected.
This way it is not necessary to make long slideway, short slideway can be used according to the radius of the U-tube of system to be simmered in radial direction
Side adjusts upward position, to adapt to the position stopping arch plate 21 of different size.In addition, can be used 7 when simmering the U-tube of major diameter processed
A limiting device 2 is respectively connected with a limiting device 2 in that is, every row's threaded hole 14 specific in the present embodiment.It is medium in the system of simmering
When the U-tube of diameter, 5 limiting devices 2 can be used, in position when the U-tube of minor diameter, 3 limiting devices 2 can be used.Nothing
By being using 3 or 5 or 7 limiting devices 2, setting is limited at least on three row's threaded holes 14 on 0 °, 180 ° and 90 ° position
Position device 2.
In addition, the operating surface is equipped with axis 13 as the radially distributed size scale in the center of circle and circumferentially distributed angle
Scale is spent, in order to which the position stopping arch plate 21 to different size carries out positioning and centering.Wherein, it is equipped with along every row's threaded hole 14
Size scale.
The operating surface, which is additionally provided with to offset with 4 outer wall of heat exchanger tube, prevents the position stopping arch plate 21 from simmering U-tube processed
The backing pin 15 rotated in the process, the backing pin 15 offset at the straight tube of arcing point with the heat exchanger tube 4.Arcing point refers to heat exchange
The point that pipe 4 occurs bending and deformation earliest, only acnode refers to the point that heat exchanger tube 4 deforms the latest.In the present embodiment, in steel
The backing pin 15 is installed additional with away from straight pipe opposite position at arcing point 100mm on tire plate 11, and heat exchanger tube 4 simmers each portion during system
Point stress condition as shown in Fig. 2, heat exchanger tube 4 radial forces F1 of the deformed part by driving pulley 32, directed force F 1 produces
Raw torque can make heat exchanger tube 4 that anticlockwise rotation occur, as shown in the curved arrow in figure.Backing pin 15 exchanges heat pipe 4
Power F2 produce the torque of opposite direction, to guarantee that the position of the straightway of heat exchanger tube 4 during simmering processed remains stationary.
Preferably, the operating surface is equipped with backing pin slot (not shown), the backing pin 15 can be along the backing pin slot
Movement is simultaneously cooperated by positioning relative to the backing pin slot so as to the outer wall of the heat exchanger tube 4 with different radii.In the present embodiment,
Backing pin slot is perpendicular to straightway.
The lower section of the driving pulley 32 is equipped with the universal wheel 35 that can be walked on the operating surface, and universal wheel 35 supports
Driving pulley 32 is rotated in sustained height, to ensure that heat exchanger tube 4 can occur bending and deformation in the same plane.Universal wheel 35 is same
When ensure that the motion profile of driving pulley 32 is consistent with the shape of position stopping arch plate 21.
As a preferred option, driving pulley 32 is equipped with along its circumferentially extending for cooperating with 4 outer wall of heat exchanger tube
Crescent moon slot structure, in 21 outer diameter of position stopping arch plate can also be circumferentially with crescent moon slot structure simultaneously.Heat exchanger tube 4 be round tube, i.e., its
Cross section is circle, and crescent wraps up the wall of the heat exchanger tube 4, can prevent heat exchanger tube 4 from deflecting away from during simmering processed, also increase
Contact area with heat exchanger tube 4, reduces the deformation of heat exchanger tube 4.
Setting is parallel on the rotating arm 31 and can be relative to the rotating arm 31 rotation on the rotating arm 31
Adjusting screw 33 and the adjusting nut 34 cooperated with the adjusting screw 33, the adjusting nut 34 can pass through positioning screw 342
Fixed with the adjusting screw 33, the driving pulley 32 is fixed on the adjusting nut 34.Adjusting screw 33 and operating surface
It is always maintained at parallel.The adjusting nut 34 has internal screw thread, can match with the external screw thread of adjusting screw 33.Adjusting nut 34
Can be fixed by positioning screw 342 and the adjusting screw 33, specially as shown in Figure 10, adjusting nut 34 is equipped with perpendicular to institute
The positioning screw hole 341 of the axis of adjusting screw 33 is stated, positioning screw 342 is placed through the positioning screw hole 341 on adjusting nut 34
The outer wall with the adjusting screw 33 offsets afterwards, the driving pulley 32 be located on the adjusting nut, and can do from transporting
It is dynamic.
In the present embodiment, as shown in figure 3, handle 331, solution can be arranged far from one end of the axis 13 in adjusting screw 33
Except the cooperation of positioning screw 342 and adjusting screw 33, rotating handles 331 are rotatable adjusting screw 33, and adjusting nut 34 is parallel
In the axial-movement of adjusting screw 33, thus have adjusted at a distance from the axis 13 that driving pulley 32 is arranged on station 1, it can be accurate
Ground adapts to the position stopping arch plate 21 of plurality of specifications, to simmer the U-tube of plurality of specifications processed.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art within the spirit and scope of the present invention, make the present invention various
Modification or equivalent replacement are also fallen within the protection scope of the present invention.
Claims (8)
1. a kind of U-tube simmers device processed characterized by comprising
Station, with horizontal operating surface and perpendicular to the axis of operating surface setting；
Limiting device, the limiting device include the position stopping arch plate of U-shaped and the position stopping arch plate are fixed on the station
Positioning device, when simmering U-tube processed, the outer wall of the position stopping arch plate constitutes the mould of exchange heat pipe moulding to outer support heat exchanger tube
Tool；
Device processed is simmered in rotation, and it includes being parallel to the operating surface of the station and with the station that device processed is simmered in the rotation
Axis is the rotating arm of center axis rotation and is located at the driving pulley rotated together with the rotating arm on the rotating arm, described
When rotating arm rotates, the driving pulley, which inwardly squeezes the heat exchanger tube, makes the heat exchanger tube of linear along the position stopping arch plate
Outer wall bends, it is described in refer to radially and towards the direction of the axis；
The positioning device includes slideway and the internal stop and outer baffle block that move along the slideway, the slideway and the station
It is removably secured connection, the internal stop, outer baffle block are locked on the slideway by lock-screw, the limit arc
Plate is clamped between the internal stop and outer baffle block；
It is equipped with multiple rows of threaded hole at radial arrangement by the center of circle of the axis on the operating surface of the station, every row includes more
A threaded hole, it includes multiple positioning devices that the U-tube, which simmers device processed, and threaded hole described in every row is for fixing one
The slideway of the slideway of positioning device, each positioning device can by two adjacent screw holes in screw and row's threaded hole
Releasably connect.
2. U-tube according to claim 1 simmers device processed, it is characterised in that: it is circle that the operating surface, which is equipped with the axis,
The size scale that the heart radially extends.
3. U-tube according to claim 1 simmers device processed, it is characterised in that: the operating surface is additionally provided with and the heat exchange
Pipe outer wall offsets the backing pin for preventing the heat exchanger tube from rotating during simmering U-tube processed.
4. U-tube according to claim 3 simmers device processed, it is characterised in that: the operating surface is equipped with backing pin slot, described
Backing pin moves along the backing pin slot and is positioned to cooperate with the outer wall of the heat exchanger tube of different radii relative to the backing pin slot.
5. U-tube according to claim 1 simmers device processed, it is characterised in that: the lower section of the driving pulley is equipped in institute
The universal wheel walked on operating surface is stated to support the driving pulley to rotate in sustained height.
6. U-tube according to claim 1 simmers device processed, it is characterised in that: the driving pulley is equipped with to be prolonged along its circumferential direction
The crescent moon slot structure for cooperating with the heat exchange pipe outer wall stretched.
7. U-tube according to claim 1 simmers device processed, it is characterised in that: setting is parallel to institute on the rotating arm
State rotating arm and the adjusting nut relative to the adjusting screw of rotating arm rotation and with adjusting screw cooperation, the tune
Section nut is fixed by positioning screw and the adjusting screw, and the driving pulley connect with the adjusting nut and relative to institute
State adjusting nut rotation.
8. simmering device processed to U-tube described in 6 any one according to claim 1, it is characterised in that: the axis and the rotation
It connects to arm synchronous rotary, the axis is rotated relative to the station under the drive of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847388.8A CN106541002B (en) | 2016-09-26 | 2016-09-26 | A kind of U-tube stewing device processed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847388.8A CN106541002B (en) | 2016-09-26 | 2016-09-26 | A kind of U-tube stewing device processed |
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| CN106541002A CN106541002A (en) | 2017-03-29 |
| CN106541002B true CN106541002B (en) | 2019-02-05 |
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| CN201610847388.8A Active CN106541002B (en) | 2016-09-26 | 2016-09-26 | A kind of U-tube stewing device processed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108705001A (en) * | 2018-06-30 | 2018-10-26 | 北京城乡隧盾国际建设工程有限公司 | A kind of processing electric power bored tunnel supporting reinforcing bar push-plate |
| CN113477804A (en) * | 2021-07-07 | 2021-10-08 | 珠海格力智能装备有限公司 | Round die and pipe bending machine |
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| EP0156068A3 (en) * | 1984-03-06 | 1986-04-02 | Hunter Douglas Industries B.V. | Bending apparatus |
| CN201988606U (en) * | 2010-11-18 | 2011-09-28 | 安徽好来西科技有限公司 | Bending tool for electric heating pipes |
| CN202638998U (en) * | 2012-07-02 | 2013-01-02 | 辽宁忠旺集团有限公司 | Manual portable arc-shaped strip bending roll machine |
| CN202741524U (en) * | 2012-09-07 | 2013-02-20 | 江苏淮海车辆制造有限公司 | Multi-radian bent pipe forming device |
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| CN103624120A (en) * | 2013-12-10 | 2014-03-12 | 龙口丛林中德车体系统工程有限公司 | Processing method for section bar roll bending |
| CN203565593U (en) * | 2013-11-10 | 2014-04-30 | 无锡新奇特钣金机械有限公司 | Device for bending machining of cold rolled steel sheet metal part |
| CN104998988A (en) * | 2015-07-30 | 2015-10-28 | 东莞市文轩五金制品有限公司 | Automatic bending machine and production technology thereof |
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- 2016-09-26 CN CN201610847388.8A patent/CN106541002B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0156068A3 (en) * | 1984-03-06 | 1986-04-02 | Hunter Douglas Industries B.V. | Bending apparatus |
| CN201988606U (en) * | 2010-11-18 | 2011-09-28 | 安徽好来西科技有限公司 | Bending tool for electric heating pipes |
| CN202638998U (en) * | 2012-07-02 | 2013-01-02 | 辽宁忠旺集团有限公司 | Manual portable arc-shaped strip bending roll machine |
| CN202741524U (en) * | 2012-09-07 | 2013-02-20 | 江苏淮海车辆制造有限公司 | Multi-radian bent pipe forming device |
| CN202877293U (en) * | 2012-10-22 | 2013-04-17 | 兰州兰石重型装备股份有限公司 | Multiple-heat-exchange-tube forming device |
| CN203565593U (en) * | 2013-11-10 | 2014-04-30 | 无锡新奇特钣金机械有限公司 | Device for bending machining of cold rolled steel sheet metal part |
| CN103624120A (en) * | 2013-12-10 | 2014-03-12 | 龙口丛林中德车体系统工程有限公司 | Processing method for section bar roll bending |
| CN104998988A (en) * | 2015-07-30 | 2015-10-28 | 东莞市文轩五金制品有限公司 | Automatic bending machine and production technology thereof |
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| Publication number | Publication date |
|---|---|
| CN106541002A (en) | 2017-03-29 |
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Effective date of registration: 20180313 Address after: 124021 Hongqi Street, Shuangtaizi District, Panjin, Liaoning Applicant after: Northern Huajin Formosan Union Chemical Corporation Address before: 124021 Hongqi Street, Shuangtaizi District, Liaoning, China, No. 482, No. Applicant before: North Hua Jin Chemical Industry Group Co., Ltd |
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