CN116371983B - Pipe fitting bending device for building hanging basket - Google Patents
Pipe fitting bending device for building hanging basket Download PDFInfo
- Publication number
- CN116371983B CN116371983B CN202310662161.6A CN202310662161A CN116371983B CN 116371983 B CN116371983 B CN 116371983B CN 202310662161 A CN202310662161 A CN 202310662161A CN 116371983 B CN116371983 B CN 116371983B
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- fixedly connected
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- shaped
- rod
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- 238000005452 bending Methods 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 97
- 239000010959 steel Substances 0.000 claims abstract description 97
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 244000309464 bull Species 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 31
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D7/12—Bending rods, profiles, or tubes with programme control
-
- 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
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of pipe bending, in particular to a pipe bending device for a construction hanging basket. The utility model provides a pipe fitting bending device for building hanging flower basket, including the operation panel, the operation panel is provided with control terminal and steel pipe, the operation panel rigid coupling has the first electric putter who is connected with the control terminal electricity, the flexible end rigid coupling of first electric putter has the support with operation panel sliding connection, the support is provided with symmetrical distribution's extension board, symmetrical distribution's extension board is provided with the bull stick, the bull stick is provided with symmetrical distribution's fixed disk, the fixed disk is provided with the first slide bar of circumference distribution, first slide bar rigid coupling has the connecting plate, symmetrical distribution's connecting plate rigid coupling has first stripper plate, the operation panel rigid coupling has the second electric putter who is connected with the control terminal electricity, the flexible end rigid coupling of second electric putter has the T shape frame with operation panel sliding connection. According to the invention, the steel pipes are extruded at the same time at the two sides, so that the stress on the front side and the rear side of the steel pipes is uniform, and the smoothness of the bent positions of the steel pipes is ensured.
Description
Technical Field
The invention relates to the technical field of pipe bending, in particular to a pipe bending device for a construction hanging basket.
Background
The construction hanging basket is a building tool for high-altitude operation, and has the functions of assisting a construction worker in installing a curtain wall and cleaning an outer wall, and the construction hanging basket runs up and down along a construction vertical face through a steel wire rope when the construction hanging basket is used, which is equivalent to an operation platform of the construction worker, and a railing of the construction hanging basket is composed of various pipe fittings (straight pipes and bent pipes), so that the pipe fittings are required to be bent to meet production requirements when the bent pipes are manufactured.
The existing pipe bending device has the following problems:
1. when traditional pipe fitting is buckled, one side needs to be fixed, and the other side rotates, so that the stress on the front side and the rear side of the pipe fitting is uneven, the thickness of the bending part of the pipe fitting is uneven, and the follow-up use of the pipe fitting is affected.
2. When adjusting pipe fitting bend radius, need change the mould of centre gripping pipe fitting, the operation process is loaded down with trivial details, and pipe fitting bending efficiency is low.
3. For the steel pipes with different diameters, the contact area between the clamping blocks and the steel pipes changes, so that the clamping blocks cannot be attached to the steel pipes to the greatest extent, and the stability of the steel pipes in the bending process is affected.
Disclosure of Invention
In order to solve the technical problems, the invention provides a pipe bending device for adjusting the bending radius for a construction hanging basket.
The technical proposal is as follows: the utility model provides a pipe fitting bending device for building hanging flower basket, including the operation panel, the operation panel is provided with control terminal and steel pipe, the operation panel rigid coupling has the first electric putter who is connected with the control terminal electricity, the flexible end rigid coupling of first electric putter has the support, the support is provided with symmetrical distribution's extension board, symmetrical distribution's extension board is provided with the bull stick, the bull stick rotates and is connected with symmetrical distribution's fixed disk, the fixed disk is provided with the first slide bar of circumference distribution, first slide bar rigid coupling has the connecting plate, symmetrical distribution's connecting plate rigid coupling has first stripper plate, the operation panel rigid coupling has the second electric putter who is connected with the control terminal electricity, the flexible end rigid coupling of second electric putter has T shape frame, T shape frame sliding connection has the T shaped plate of symmetrical distribution, T shaped plate rotates and is connected with the U shaped board, U shaped plate rigid coupling has the second slide bar of symmetrical distribution, symmetrical distribution's second slide bar rigid coupling has equidistant second stripper plate, T shaped plate rotates and is connected with the hydraulic putter who is connected with the control terminal electricity, hydraulic putter's flexible end and U shaped plate rotate and be connected, the operation panel is provided with the supporting component that is used for placing and sets up the bending radius adjustment mechanism.
More preferably, the fixing disc is not provided with a first sliding rod at one side close to the bracket, and the first extruding plates are circumferentially distributed to form an angle larger than 180 degrees.
More preferably, the support assembly comprises symmetrically distributed fixing seats, wherein the symmetrically distributed fixing seats are fixedly connected to the operating table, the fixing seats are hinged with arc plates, and torsion springs are arranged between the arc plates and the adjacent fixing seats.
More preferably, the adjustment mechanism comprises a servo motor electrically connected with the control terminal, the servo motor is fixedly connected with the support, an output shaft of the servo motor is fixedly connected with the rotating rod, the rotating rod is rotationally connected with the support plate, the rotating rod is fixedly connected with first gears which are symmetrically distributed, the support plate is rotationally connected with the rotating disc, the rotating disc is provided with a chute which is circumferentially distributed, the chute is matched with the adjacent first sliding rod, the rotating disc is fixedly connected with a gear ring which is meshed with the adjacent first gears, the fixed disc is provided with a limit groove which is circumferentially distributed, the first sliding rod is fixedly connected with a lantern ring which is slidably connected with the adjacent limit groove, and the rotating disc which is close to the operating platform is provided with a driving mechanism for moving the T-shaped plate.
More preferably, the driving mechanism comprises a rotating sleeve fixedly connected to a turntable close to the operating platform, the rotating sleeve is fixedly connected with a first sprocket, the operating platform is provided with a tensioning assembly, the operating platform is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a second sprocket, a chain is wound between the first sprocket, the tensioning assembly and the second sprocket, the T-shaped frame is rotationally connected with a second threaded rod which is symmetrically distributed, the second threaded rod is in threaded fit with an adjacent T-shaped plate, the second threaded rod is fixedly connected with a first bevel gear, and the rotating shaft is fixedly connected with a second bevel gear meshed with the first bevel gear.
More preferably, the locking mechanism is arranged on the U-shaped plate, the locking mechanism is used for locking steel pipes with different diameters, the locking mechanism comprises third sleeves which are symmetrically distributed, the third sleeves which are symmetrically distributed are fixedly connected to the adjacent U-shaped plates respectively, the third sleeves are slidably connected with connecting rods, sealing discs fixedly connected with the connecting rods are slidably connected in the third sleeves, through holes are formed in the third sleeves, the connecting rods are fixedly connected with second racks, the U-shaped plates are rotationally connected with third gears meshed with the adjacent second racks, the third gears are fixedly connected with third threaded rods, the third threaded rods are provided with symmetrical threads and opposite in rotation direction, the third threaded rods are in threaded fit with the adjacent symmetrically distributed sliding plates, the sliding plates are in sliding connection with the second sliding rods, the second extruding plates are elastic sheets, the symmetrically distributed third sleeves are communicated with T-shaped guide pipes, and the support is provided with self-adapting mechanisms used for fixing the steel pipes with different diameters.
More preferably, the self-adaptive mechanism comprises a fixed plate fixedly connected to the bracket, the fixed plate is rotationally connected with the rotating rod, the fixed plate is rotationally connected with a second gear, the second gear is fixedly connected with a first threaded rod, the first threaded rod is provided with symmetrically distributed threads with opposite rotation directions, the first threaded rod is in threaded fit with a symmetrically distributed fixed disc, the fixed disc is in sliding connection with the rotating rod, the first extruding plate is an elastic piece, the fixed plate is fixedly connected with a first sleeve, the first sleeve is in sliding connection with a pull rod, the first sleeve is in sliding connection with a pushing disc fixedly connected with the pull rod, the first sleeve is provided with a through hole, the pull rod is fixedly connected with a first rack meshed with the second gear, the first sleeve is communicated with a hose, one side of the fixed disc, which is far away from the bracket, is not provided with a first slide rod, the fixed plate and the T-shaped frame are provided with clamping components, and the clamping components are used for fixing steel pipes.
More preferably, the clamping component comprises symmetrically distributed U-shaped rods, one U-shaped rod is fixedly connected to the fixing plate, the other U-shaped rod is fixedly connected to the T-shaped frame, the U-shaped rod is fixedly connected with a second sleeve, the second sleeve is fixedly connected with a push plate, the push plate is slidably connected with symmetrically distributed guide plates, a detection plate is fixedly connected between the adjacent symmetrically distributed guide plates, the detection plate is an elastic sheet, and the second sleeve is provided with a detection assembly for detecting the diameter of the steel pipe.
More preferably, the distance between symmetrically distributed detection plates is smaller than the lateral distance between the first compression plate and the second compression plate.
More preferably, the detection assembly comprises symmetrically distributed inserted bars, the symmetrically distributed inserted bars are respectively connected with adjacent second sleeves in a sliding mode, the inserted bars are fixedly connected with adjacent detection plates, the inserted bars are connected with adjacent push plates in a sliding mode, piston discs fixedly connected with the adjacent inserted bars are connected in the second sleeves in a sliding mode, through holes are formed in the second sleeves, the second sleeves close to the T-shaped frames are communicated with the T-shaped pipes, hydraulic oil is filled in the third sleeves, the T-shaped pipes and the second sleeves close to the T-shaped frames, the second sleeves close to the fixing plates are communicated with the flexible pipes, and hydraulic oil is filled in the first sleeves, the flexible pipes and the second sleeves close to the T-shaped frames.
The invention has the following advantages:
1. the steel pipes are extruded simultaneously on two sides, so that the stress on the front side and the rear side of the steel pipes is uniform, and the smoothness of the bent positions of the steel pipes is ensured.
2. Through the radius when adjusting the steel pipe bending for this bending device need not to change the template just buckles to the steel pipe of different bending radius (traditional mode need change different templates when buckling the steel pipe of different bending radius), increases this bending device's practicality.
3. When the bending radius of the steel pipe changes, the distance between the two T-shaped plates is synchronously adjusted, so that when the U-shaped steel pipe is bent, the two ends of the U-shaped steel pipe are flush.
4. When the steel pipes with different radiuses are bent, the sinking degree of the concave surfaces of the first extrusion plate and the second extrusion plate is adjusted, and the outer side surface of the steel pipe is uniformly stressed.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of an unclamped steel pipe according to the present invention.
FIG. 3 is a schematic perspective view of a servo motor and a rotating rod according to the present invention.
Fig. 4 is a schematic perspective view of the U-shaped plate of the present invention when not twisted.
Fig. 5 is a schematic perspective view of an adjusting mechanism according to the present invention.
Fig. 6 is a schematic perspective view of the collar and the limit groove of the present invention.
Fig. 7 is a schematic perspective view of a driving mechanism according to the present invention.
Fig. 8 is a schematic perspective view of the cooperation of the second threaded rod and the T-shaped plate according to the present invention.
Fig. 9 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 10 is a schematic perspective view of the cooperation of the fixing plate and the first threaded rod.
Fig. 11 is a schematic perspective view of the adaptive mechanism of the present invention.
Fig. 12 is a schematic perspective view of a clamping member according to the present invention.
FIG. 13 is a schematic perspective view of the cooperation of the pusher plate and the detector plate of the present invention.
The marks of the components in the drawings are as follows: 1-operation table, 101-steel tube, 102-fixed seat, 103-arc plate, 2-first electric push rod, 3-bracket, 301-support plate, 4-rotating rod, 5-fixed disk, 501-limit groove, 6-first slide rod, 601-collar, 7-connecting plate, 8-first extrusion plate, 9-second electric push rod, 10-T-shaped frame, 11-T plate, 12-U plate, 13-second slide rod, 14-sliding plate, 15-second extrusion plate, 16-hydraulic push rod, 1701-servo motor, 1702-first gear, 1703-rotating disk, 17031-chute, 1704-gear ring, 1801-rotating sleeve, 1802-first sprocket, 1803-tensioning assembly, 1804-rotating shaft, 1805-second sprocket, 1806-chain, 1807-second threaded rod, 1808-first bevel gear, 1809-second bevel gear, 1901-third sleeve, 1902-connecting rod, 1903-sealing disk, 1904-second rack, 1905-third gear, 1906-third threaded rod, 1907-T-shaped conduit, 2001-fixed plate, 2002-second gear, 2003-first threaded rod, 2004-first sleeve, 2005-tie rod, 2006-push disk, 2007-first rack, 2008-hose, 2101-U-shaped rod, 2102-second sleeve, 2104-push plate, 2105-guide plate, 2106-detection plate, 2107-plunger, 2108-plunger disk.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments.
Example 1: the pipe bending device for the building hanging basket comprises an operation table 1, a control terminal is arranged at the left front part of the upper surface of the operation table 1, a steel pipe 101 is arranged on the upper surface of the operation table 1, a first electric push rod 2 electrically connected with the control terminal is fixedly connected at the left side of the upper surface of the operation table 1, a support 3 in sliding connection with the operation table 1 is fixedly connected at the telescopic end of the first electric push rod 2, the support 3 is positioned at the right side of the first electric push rod 2, two support plates 301 which are symmetrically distributed up and down are arranged at the right side of the support 3, a rotating rod 4 is arranged at the left side of the two support plates 301, two fixing plates 5 which are symmetrically distributed up and down are rotationally connected with the rotating rod 4 are arranged between the two support plates 301, a first slide rod 6 which is circumferentially distributed is fixedly connected with a connecting plate 7 is arranged on the fixing plates 5, the connecting plate 7 which is distributed symmetrically up and down is fixedly connected with the first extrusion plate 8, one side of the first extrusion plate 8 far away from the fixed disc 5 is provided with a concave surface, one side of the fixed disc 5 close to the bracket 3 is not provided with the first slide bar 6, the angle formed by the first extrusion plate 8 which is distributed circumferentially is larger than 180 degrees, the steel tube 101 is ensured to reach a U shape when being bent, the right side of the upper surface of the operating platform 1 is fixedly connected with the second electric push rod 9 which is electrically connected with the control terminal, the telescopic end of the second electric push rod 9 is fixedly connected with the T-shaped frame 10 which is in sliding connection with the operating platform 1, the T-shaped frame 10 is positioned at the left side of the second electric push rod 9, the T-shaped frame 10 is in sliding connection with two T-shaped plates 11 which are distributed symmetrically back and forth, the distance between the two T-shaped plates 11 is almost equal to the diameter of a circle enclosed by the first extrusion plate 8, the upper part of the right end of the T-shaped plate 11 is rotationally connected with the U-shaped plate 12, the two sides of the U-shaped plate 12 are cylinders, the middle part is a transverse plate, the U-shaped plate 12 fixedly connected with two second slide bars 13 of front and back symmetric distribution, the second slide bars 13 of symmetric distribution are provided with two sliding plates 14 of upper and lower symmetric distribution, two sliding plates 14 fixedly connected with second stripper plates 15 of equidistant distribution, one side of the second stripper plates 15 close to the steel pipe 101 is set to be the same concave surface as the first stripper plates 8, the left end of the T-shaped plate 11 is rotationally connected with a hydraulic push rod 16 electrically connected with a control terminal, the telescopic end of the hydraulic push rod 16 is rotationally connected with the U-shaped plate 12, the operation panel 1 is provided with a supporting component for placing the steel pipe 101, the bracket 3 is provided with an adjusting mechanism for adjusting the bending radius of the steel pipe 101, and the second stripper plates 15 of symmetric distribution simultaneously extrude the front and back sides of the steel pipe 101, so that the stress on the front and back sides of the steel pipe 101 is uniform, and the smoothness of the bending position of the steel pipe 101 is ensured.
As shown in fig. 1, the support assembly comprises two fixing seats 102 symmetrically distributed around, the railing fixing seats 102 are fixedly connected to the operation table 1, an arc-shaped plate 103 is hinged to the upper ends of the fixing seats 102, the arc-shaped plate 103 is used for placing a steel pipe 101, and torsion springs are arranged between the arc-shaped plate 103 and the adjacent fixing seats 102.
As shown in fig. 3, fig. 5 and fig. 6, the adjusting mechanism comprises a servo motor 1701 electrically connected with a control terminal, the servo motor 1701 is fixedly connected to the upper end of the bracket 3, an output shaft of the servo motor 1701 is fixedly connected with the upper end of the rotating rod 4, the rotating rod 4 is rotationally connected with the supporting plate 301, two first gears 1702 which are vertically symmetrically distributed are fixedly connected with the rotating rod 4, a turntable 1703 is rotationally connected to the right side of the supporting plate 301, the two turntables 1703 are located on the outer sides of the two supporting plates 301, the turntable 1703 is provided with circumferentially distributed inclined grooves 17031, inclined grooves 17031 are matched with adjacent first sliding rods 6, the turntables 1703 rotationally drive the first sliding rods 6 to move through the inclined grooves 17031, a gear ring engaged with the adjacent first gears 1702 is fixedly connected to the outer side of the turntable 1703, the cross section of the limiting grooves 501 is convex, the limiting grooves 501 are the same in number with the inclined grooves 17031 and vertically aligned, the first sliding grooves 6 are fixedly connected with lantern rings 601 which are slidably connected with the adjacent limiting grooves 501, and the first sliding rods 6 drive the adjacent lantern rings 601 to move along the adjacent limiting grooves 501, and the driving mechanism T11 is arranged on the lower sides of the turntable 1703.
As shown in fig. 1, 7 and 8, the driving mechanism comprises a rotating sleeve 1801, the rotating sleeve 1801 is fixedly connected to the lower surface of the lower turntable 1703, a first sprocket 1802 is fixedly connected to the lower portion of the outer side surface of the rotating sleeve 1801, a tensioning assembly 1803 is arranged on the operating platform 1, a rotating shaft 1804 is rotatably connected to the operating platform 1, a second sprocket 1805 is fixedly connected to the middle portion of the rotating shaft 1804, a chain 1806 is wound between the first sprocket 1802, the tensioning assembly 1803 and the second sprocket 1805, the tensioning assembly 1803 ensures power transmission between the first sprocket 1802 and the second sprocket 1805, two second threaded rods 1807 which are symmetrically distributed in front-back are rotatably connected to the T-shaped frame 10, the second threaded rods 1807 are in threaded fit with adjacent T-shaped plates 11, the second threaded rods 1807 rotate to drive the T-shaped plates 11 to slide back-and-forth, a first bevel gear 1808 is fixedly connected to one side of the second threaded rods 1807, and a second bevel gear 1809 meshed with the first bevel gear 1808 is fixedly connected to the upper end of the rotating shaft 1804.
When the device is needed to be used, an operator firstly puts the steel pipe 101 into the two arc plates 103, at this time, the steel pipe 101 is located between the first extrusion plate 8 and the second extrusion plate 15, then, the control terminal starts the first electric push rod 2, the telescopic end of the first electric push rod 2 drives the support 3 to move rightwards, the support 3 drives the fixed disc 5 to move rightwards through the support plate 301 and the rotating rod 4, the fixed disc 5 drives the first extrusion plate 8 to move rightwards through the first slide rod 6 and the connecting plate 7, the first extrusion plate 8 is gradually close to the steel pipe 101, in the process of moving rightwards the first extrusion plate 8, the control terminal starts the second electric push rod 9, the second electric push rod 9 drives the T-shaped frame 10 to move leftwards, the T-shaped frame 10 drives the two T-shaped plates 11 to move leftwards, taking the T-shaped plate 11 on the front side as an example, the T-shaped plate 11 drives the U-shaped plate 12 and the hydraulic push rod 16 to move leftwards, the U-shaped plate 12 drives the second extrusion plate 15 to move leftwards through the second extrusion plate 13 and the sliding plate 14, the second extrusion plate 15 is gradually close to the steel pipe 101, and the rightmost electric push rod 8 and the second extrusion plate 15 is contacted with the first extrusion plate 8 and the second extrusion plate 15 at this time, the right side of the first extrusion plate 8 and the second extrusion plate 101 is stopped, and the right extrusion plate 101 is controlled, and the right extrusion plate 101 is stopped, and the electric push rod is finally, and the right extrusion plate is contacted with the electric extrusion plate 15.
Subsequently, the steel pipe 101 is bent as follows: the control terminal starts two hydraulic push rods 16, the telescopic ends of the two hydraulic push rods 16 drive the adjacent U-shaped plates 12 to rotate respectively, the rotation center of the U-shaped plates 12 is the right side of the T-shaped plates 11, taking the U-shaped plates 12 on the front side as an example, the U-shaped plates 12 drive the two second slide bars 13 to rotate clockwise, the two second slide bars 13 drive the five second extrusion plates 15 to rotate clockwise through the two sliding plates 14, the left side surface of the front side second extrusion plates 15 extrudes the front part of the right side of the steel tube 101, the left side surface of the rear side five second extrusion plates 15 extrudes the rear part of the right side of the steel tube 101, the steel tube 101 is bent after being extruded, the two sides simultaneously extrude the steel tube 101, so that the front side and the rear side of the steel tube 101 are stressed evenly, the smoothness of the bent part of the steel tube 101 is guaranteed, when the steel tube 101 is bent in the steel tube 101, the front side and the rear side of the steel tube 101 is gradually separated from the adjacent arc-shaped plates 103, when the bent angle of the steel tube 101 is the required angle, the control terminal controls the hydraulic push rods 16 to drive the U-shaped plates 12 to rotate reversely, the second extrusion plates 15 do not extrude the steel tube 101 any more, the bending process is completed, the bending operator is finished, the operation personnel is reset, the bending device is reset after the bending is completed, and the operation terminal is reset, and the device is used for the bending the operation is finished.
If the required steel pipe 101 is U-shaped, the two ends of the steel pipe 101 need to be ensured to be parallel, because the distance between the two T-shaped plates 11 is almost equal to the diameter of the circle surrounded by the first extrusion plate 8, when the two U-shaped plates 12 rotate 90 degrees, the front second extrusion plate 15 is positioned at the front side of the fixed disc 5, the rear second extrusion plate 15 is positioned at the rear side of the fixed disc 5, the bending radius of the U-shaped steel pipe 101 is ensured to be equal to the radius of the circle surrounded by the first extrusion plate 8, the front and rear ends of the U-shaped steel pipe 101 are ensured to be parallel, the forming rate of the U-shaped steel pipe 101 is improved, the bending part of the left side of the steel pipe 101 is uniformly stressed by the first extrusion plate 8 which is circumferentially distributed, and the phenomenon that pits or even breaks appear when the extrusion force is overlarge at a certain part of the left side of the steel pipe 101 is avoided, so that the inner diameter of the steel pipe 101 is reduced at the part is avoided, and the use of the steel pipe 101 is affected.
When the bending radius of the steel pipe 101 needs to be changed, before the steel pipe 101 is fixed, an operator adjusts the radius of a circle surrounded by the circumferentially distributed first extrusion plates 8, taking increasing the bending radius of the steel pipe 101 as an example, and specifically the operation is as follows: the control terminal starts the servo motor 1701, the output shaft of the servo motor 1701 drives the rotating rod 4 to rotate, the rotating rod 4 drives the two first gears 1702 to rotate clockwise, the first gears 1702 drive the rotary table 1703 to rotate anticlockwise through the gear rings 1704 as an example, the chute 17031 of the rotary table 1703 drives the first slide bar 6 to move, the first slide bar 6 drives the lantern ring 601 to slide under the limit of the adjacent limit groove 501, the first slide bars 6 distributed circumferentially are gradually far away from each other, the first slide bars 6 distributed circumferentially drive the first extrusion plates 8 to be gradually far away from each other through the connecting plate 7, the radius of a circle surrounded by the first extrusion plates 8 distributed circumferentially is gradually increased, when the radius of a circle surrounded by the first extrusion plates 8 distributed circumferentially reaches the bending radius of a required steel pipe 101, the control terminal stops the servo motor 1701, the first extrusion plates 8 are not outwards expanded any more, the bending radius of the steel pipe 101 is equal to the radius of a circle surrounded by the first extrusion plates 8 distributed circumferentially in the limit groove 501 in the subsequent bending process, the bending device is enabled to be not to be required to be changed by adjusting the bending radius of the steel pipe 101, and the traditional bending device is required to be changed in a bending mode when the bending of the steel pipe 101 is required to be changed in different in bending modes.
When the radius of the circle surrounded by the circumferentially distributed first extrusion plates 8 changes, the distance between the two T-shaped plates 11 needs to be synchronously adjusted, so that when the U-shaped steel pipe 101 is bent, two ends of the U-shaped steel pipe 101 are flush, and the specific operation is as follows, taking increasing the distance between the two T-shaped plates 11 as an example: in the process of anticlockwise rotation of the lower turntable 1703, the turntable 1703 drives the first sprocket 1802 to anticlockwise rotate through the rotating sleeve 1801, the first sprocket 1802 drives the second sprocket 1805 to anticlockwise rotate through the chain 1806, the second sprocket 1805 drives the second bevel gear 1809 to anticlockwise rotate through the rotating shaft 1804, the second bevel gear 1809 drives the two first bevel gears 1808 to rotate, the two first bevel gears 1808 respectively drive the adjacent second threaded rods 1807 to rotate, the two second threaded rods 1807 respectively drive the adjacent T-shaped plates 11 to be far away from each other, and when the radius of a circle surrounded by the circumferentially distributed first extrusion plates 8 is increased, the distance between the two T-shaped plates 11 is synchronously increased, so that the two ends of the U-shaped steel pipes 101 are enabled to be flush.
Example 2: on the basis of the embodiment 1, as shown in fig. 8 and 9, the locking mechanism is arranged on the U-shaped plate 12, the locking mechanism is used for locking steel pipes 101 with different diameters, the locking mechanism comprises two third sleeves 1901 which are symmetrically distributed left and right, the two third sleeves 1901 are fixedly connected to the right side surfaces of the adjacent U-shaped plates 12 respectively, the third sleeves 1901 are slidably connected with connecting rods 1902, sealing discs 1903 fixedly connected with the connecting rods 1902 are slidably connected in the third sleeves 1901, through holes are formed in the third sleeves 1901 and are used for discharging gas in the third sleeves 1901, one end of each connecting rod 1902, far from each sealing disc 1903, is fixedly connected with a second rack 1904, the middle part of the upper surface of each U-shaped plate 12 is rotatably connected with a third gear 1905 meshed with the adjacent second rack 1904, the third gear 1905 is embedded with a third threaded rod 1906, the third threaded rod 1906 is provided with symmetrical threads with opposite rotation directions, the third threaded rod 1906 is in threaded fit with the adjacent and symmetrically distributed sliding plates 14, the third threaded rod 1906 rotates to enable the two sliding plates 14 to be close to or far away from each other, the sliding plates 14 are in sliding connection with the second sliding rods 13, the second sliding rods 13 are used for guiding the sliding plates 14 to avoid the sliding plates 14 from rotating, the second extrusion plates 15 are elastic sheets, T-shaped guide tubes 1907 are communicated between the two third sleeves 1901, and the support 3 is provided with a self-adapting mechanism used for fixing steel pipes 101 with different diameters.
As shown in fig. 10 and 11, the self-adaptive mechanism includes a fixing plate 2001, the fixing plate 2001 is rotationally connected with a rotating rod 4, the fixing plate 2001 is fixedly connected to the middle of the right side surface of a bracket 3, the fixing plate 2001 is rotationally connected with the rotating rod 4, the right part of the fixing plate 2001 is rotationally connected with a second gear 2002, the second gear 2002 is embedded with a first threaded rod 2003, the first threaded rod 2003 is provided with symmetrically distributed and oppositely threaded threads, the first threaded rod 2003 is in threaded fit with symmetrically distributed fixing plates 5, the first threaded rod 2003 rotates to enable the two fixing plates 5 to approach or separate from each other, the fixing plates 5 are slidably connected with the rotating rod 4, a first extrusion plate 8 is an elastic sheet, the right part of the rear side surface of the fixing plate 2001 is fixedly connected with a first sleeve 2004, the left side sliding of the first sleeve 2004 is connected with a pull rod 2005, the left side of the first sleeve 2004 is slidably connected with a push plate 2006 fixedly connected with the right end of the pull rod 2005, the left side of the first sleeve 2004 is provided with a through hole, the left end of the pull rod 2005 is fixedly connected with a first rack 2007 meshed with the second gear, the right side of the first sleeve 2004 is communicated with the right side of the first sleeve 2004 2008, the fixing plate 2001 is provided with a flexible tube 2001 and a tubular member 101 is provided with a clamping member 101.
As shown in fig. 12 and 13, the clamping component includes two U-shaped rods 2101 symmetrically distributed left and right, the left U-shaped rod 2101 is fixedly connected to the fixing plate 2001, the right U-shaped rod 2101 is fixedly connected to the T-shaped frame 10, the U-shaped rod 2101 is fixedly connected to the second sleeve 2102, the second sleeve 2102 is fixedly connected with a push plate 2104, one side of the push plate 2104, which is close to the steel pipe 101, is slidingly connected with two guide plates 2105 symmetrically distributed up and down, a detection plate 2106 is fixedly connected between the two adjacent guide plates 2105, the detection plate 2106 is an elastic sheet, the right side of the fixing plate 5 is not provided with a first sliding rod 6, the detection plate 2106 occupies the position of the rightmost first extrusion plate 8, one side of the detection plate 2106, which is close to the steel pipe 101, is provided with a concave surface which is identical to the first extrusion plate 8 and the second extrusion plate 15, the distance between the two detection plates 2106 is smaller than the transverse distance between the first extrusion plate 8 and the second extrusion plate 15, the two detection plates 2106 fix the steel pipe 101, and the first extrusion plate 8 and the second extrusion plate 15 are arranged for detecting the steel pipe 101.
As shown in fig. 12 and 13, the detection assembly includes two pins 2107 symmetrically distributed on the left and right, the two pins 2107 are respectively connected to adjacent second sleeves 2102 in a sliding manner, the pins 2107 are fixedly connected to one side, far away from the steel pipe 101, of the adjacent detection plate 2106, the pins 2107 are connected to adjacent push plates 2104 in a sliding manner, piston discs 2108 fixedly connected to the adjacent pins 2107 are connected to the second sleeves 2102 in a sliding manner, through holes are formed in the second sleeves 2102, the second sleeves 2102 on the right are communicated with the T-shaped guide tubes 1907, hydraulic oil is filled in the third sleeves 1901, the T-shaped guide tubes 1907 and the second sleeves 2102 on the right, the second sleeves 2102 on the left are communicated with the hose 2008, and hydraulic oil is filled in the first sleeves 2004, the hose 2008 and the second sleeves 2102 on the left.
When aiming at steel pipes 101 with different radiuses, in order to ensure uniform stress on the outer side surfaces of the steel pipes 101, the degree of inward sinking of the concave surfaces of the first extrusion plate 8 and the second extrusion plate 15 needs to be adjusted, and taking the large-diameter steel pipe 101 as an example, the degree of inward sinking of the concave surfaces of the first extrusion plate 8 and the second extrusion plate 15 needs to be increased, and the concrete operation is as follows: in the process of rightward movement of the bracket 3 and leftward movement of the T-shaped frame 10, the bracket 3 drives the fixing plate 2001 to rightward movement, the fixing plate 2001 and the T-shaped frame 10 respectively drive the U-shaped rods 2101 on the fixing plate 2001 and the T-shaped frame 10 to relatively move, taking the left U-shaped rod 2101 as an example, the U-shaped rod 2101 drives the push plate 2104 to rightward movement through the second sleeve 2102, the push plate 2104 drives the detection plate 2106 to rightward movement through the two guide plates 2105, when the left detection plate 2106 contacts with the left side surface of the steel pipe 101, the right detection plate 2106 contacts with the right side surface of the steel pipe 101, at the moment, the two detection plates 2106 continue to relatively move, and in the process of rightward movement of the push plate 2104, the middle part of the detection plate 2106 is limited by the steel pipe 101 to gradually sink leftwards, the two guide plates 2105 are mutually close, the concave surface on the right side of the detection plate 2106 is gradually attached with the left side surface of the steel pipe 101, in the process of leftward movement of the detection plate 2106 relative to the push plate 2104, the detection plate 2106 drives the piston plate 2108 to move leftwards through the inserting rod 2107, the piston plate 2108 pushes hydraulic oil on the left side of the piston plate 2108 in the second sleeve 2102 into the hose 2008, hydraulic oil in the hose 2008 enters the right side of the push plate 2006 in the first sleeve 2004, hydraulic oil entering the first sleeve 2004 pushes the push plate 2006 to move leftwards, the push plate 2006 drives the second gear 2002 to rotate anticlockwise through the pull rod 2005 and the first rack 2007, the second gear 2002 drives the first threaded rod 2003 to rotate anticlockwise, the first threaded rod 2003 drives the two fixed plates 5 to approach each other, the fixed plates 5 on the upper side drive the first slide rods 6 to move downwards through the collar 601, the first slide rods 6 drive the connecting plates 7 to move downwards, the two connecting plates 7 which are symmetrical up and down move relatively to squeeze the first extrusion plates 8 between the two ends of the first extrusion plates 8 start to deform after being extruded, the pit depth of the first squeeze plate 8 gradually increases, and in the above process, the bending degree of the detecting plate 2106 and the first squeeze plate 8 is synchronously changed, the first squeeze plate 8 is adjusted to be in the most fitting state with the steel pipe 101 in real time, so that the subsequent bending process is facilitated, and the larger the diameter of the steel pipe 101 is, the deeper the sinking degree of the detecting plate 2106 is, because the distances of each rightward movement of the bracket 3 are equal.
In the process that the two detection plates 2106 are mutually close, hydraulic oil in the second sleeve 2102 on the right side enters the two third sleeves 1901 through the T-shaped guide pipe 1907, the hydraulic oil pushes the sealing disc 1903 to move forwards, the sealing disc 1903 drives the second rack 1904 to move forwards through the connecting rod 1902, the second rack 1904 drives the third threaded rod 1906 to rotate through the third gear 1905, the third threaded rod 1906 enables the two sliding plates 14 on the left side to mutually close, the two sliding plates 14 which are symmetrical up and down squeeze the five second squeezing plates 15 between the two sliding plates, the second squeezing plates 15 deform after being squeezed, the second squeezing plates 15 synchronously change with the detection plates 2106 on the right side, when the bracket 3 and the T-shaped frame 10 do not move relatively any more, the two detection plates 2106 fix the steel pipe 101, then an operator continues to repeat the bending process of the steel pipe 101, in the process that the first plate 8 and the second plate 15 are tightly pressed against 101, (the first squeezing plates 101 are uniformly pressed against the second squeezing plates 15 are uniformly pressed against the concave surfaces shown in the figure) of the second squeezing plates 15.
It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (10)
1. A pipe fitting bending device for building hanging flower basket, its characterized in that: including operation panel (1), operation panel (1) is provided with control terminal and steel pipe (101), operation panel (1) rigid coupling has first electric putter (2) of being connected with control terminal electricity, the flexible end rigid coupling of first electric putter (2) has support (3), support (3) are provided with symmetric distribution's extension board (301), symmetric distribution's extension board (301) are provided with bull stick (4), bull stick (4) rotate and are connected with symmetric distribution's fixed disk (5), fixed disk (5) are provided with circumference distribution's first slide bar (6), first slide bar (6) rigid coupling has connecting plate (7), symmetric distribution's connecting plate (7) rigid coupling has first stripper plate (8), operation panel (1) rigid coupling has second electric putter (9) of being connected with control terminal electricity, the flexible end rigid coupling of second electric putter (9) has T shape frame (10), T shape frame (10) sliding connection has symmetric distribution's T shaped plate (11), T shaped plate (11) rotate and are connected with U (12), U (12) rigid coupling has symmetric distribution's second slide bar (13), symmetric distribution's second slide bar (13) rigid coupling has symmetric distribution's second stripper plate (14) equidistant plate (15), the T-shaped plate (11) is rotationally connected with a hydraulic push rod (16) which is electrically connected with a control terminal, the telescopic end of the hydraulic push rod (16) is rotationally connected with the U-shaped plate (12), the operating platform (1) is provided with a supporting component for placing the steel pipe (101), and the bracket (3) is provided with an adjusting mechanism for adjusting the bending radius of the steel pipe (101).
2. A pipe bending apparatus for a construction basket according to claim 1, wherein: the side of the fixed disc (5) close to the bracket (3) is not provided with a first sliding rod (6), and the angle formed by circumferentially distributed first extrusion plates (8) is larger than 180 degrees.
3. A pipe bending apparatus for a construction basket according to claim 1, wherein: the support assembly comprises symmetrically distributed fixing seats (102), the symmetrically distributed fixing seats (102) are fixedly connected to the operating table (1), the fixing seats (102) are hinged with arc plates (103), and torsion springs are arranged between the arc plates (103) and the adjacent fixing seats (102).
4. A pipe bending apparatus for a construction basket according to claim 1, wherein: the adjusting mechanism comprises a servo motor (1701) electrically connected with a control terminal, the servo motor (1701) is fixedly connected to a support (3), an output shaft of the servo motor (1701) is fixedly connected with a rotating rod (4), the rotating rod (4) is rotationally connected with a support plate (301), first gears (1702) symmetrically distributed are fixedly connected to the rotating rod (4), the support plate (301) is rotationally connected with a rotating disc (1703), the rotating disc (1703) is provided with a chute (17031) circumferentially distributed, the chute (17031) is matched with an adjacent first sliding rod (6), the rotating disc (1703) is fixedly connected with a gear ring (1704) meshed with the adjacent first gears (1702), a limiting groove (501) circumferentially distributed is formed in a fixed disc (5), a lantern ring (601) slidingly connected with the adjacent limiting groove (501) is fixedly connected to the first sliding rod (6), and a driving mechanism for moving a T-shaped plate (11) is arranged near the rotating disc (1703) of the operating table (1).
5. A pipe bending apparatus for a construction basket as claimed in claim 4, wherein: the driving mechanism comprises a rotating sleeve (1801), the rotating sleeve (1801) is fixedly connected to a turntable (1703) close to an operating platform (1), the rotating sleeve (1801) is fixedly connected with a first sprocket (1802), the operating platform (1) is provided with a tensioning assembly (1803), the operating platform (1) is rotationally connected with a rotating shaft (1804), the rotating shaft (1804) is fixedly connected with a second sprocket (1805), a chain (1806) is wound between the first sprocket (1802), the tensioning assembly (1803) and the second sprocket (1805), a T-shaped frame (10) is rotationally connected with a second threaded rod (1807) which is symmetrically distributed, the second threaded rod (1807) is in threaded fit with an adjacent T-shaped plate (11), the second threaded rod (1807) is fixedly connected with a first bevel gear (1808), and the rotating shaft (1804) is fixedly connected with a second bevel gear (1809) which is meshed with the first bevel gear (1808).
6. A pipe bending apparatus for a construction basket according to claim 1, wherein: the self-adaptive steel pipe self-adaptive device is characterized by further comprising a locking mechanism, the locking mechanism is arranged on the U-shaped plate (12), the locking mechanism is used for locking steel pipes (101) with different diameters, the locking mechanism comprises third symmetrically distributed sleeves (1901), the third symmetrically distributed sleeves (1901) are fixedly connected to adjacent U-shaped plates (12) respectively, the third sleeves (1901) are slidably connected with connecting rods (1902), sealing discs (1903) fixedly connected with the connecting rods (1902) are slidably connected in the third sleeves (1901), the third sleeves (1901) are provided with through holes, the connecting rods (1902) are fixedly connected with second racks (1904), the U-shaped plates (12) are rotatably connected with third gears (1905) meshed with the adjacent second racks (1904), the third gears (1905) are fixedly connected with third threaded rods (1906), the third threaded rods (1906) are provided with symmetrical threads with opposite directions, the third threaded rods (1906) are in threaded fit with adjacent symmetrically distributed sliding plates (14), the sliding plates (14) are slidably connected with the second pressing plates (13), the second pressing plates (15) are elastic plates, the third sleeves (1901) are rotatably connected with the self-adaptive steel pipes (1903), and the self-adaptive device is provided with self-adaptive steel pipes (101).
7. A pipe bending apparatus for a construction basket as claimed in claim 6, wherein: the self-adaptive mechanism comprises a fixing plate (2001), the fixing plate (2001) is fixedly connected to a support (3), the fixing plate (2001) is rotationally connected with a rotating rod (4), the fixing plate (2001) is rotationally connected with a second gear (2002), the second gear (2002) is fixedly connected with a first threaded rod (2003), the first threaded rod (2003) is provided with symmetrically distributed threads with opposite directions, the first threaded rod (2003) is in threaded fit with a symmetrically distributed fixing plate (5), the fixing plate (5) is in sliding connection with the rotating rod (4), the first extruding plate (8) is an elastic sheet, the fixing plate (2001) is fixedly connected with a first sleeve (2004), the first sleeve (2004) is in sliding connection with a pull rod (2005), the first sleeve (2004) is fixedly connected with a pushing plate (2006) fixedly connected with the pull rod (2005), the pull rod (2005) is fixedly connected with a first sleeve (2007) meshed with the second gear (2002), the first sleeve (2004) is communicated with a hose (2008), one side of the fixing plate (5) far away from the support (3) is not provided with the first sliding rod (2001) and is provided with a T-shaped clamping part (101).
8. A pipe bending apparatus for a construction basket as claimed in claim 7, wherein: the clamping component comprises symmetrically distributed U-shaped rods (2101), one U-shaped rod (2101) is fixedly connected to a fixing plate (2001), the other U-shaped rod (2101) is fixedly connected to a T-shaped frame (10), a second sleeve (2102) is fixedly connected to the U-shaped rod (2101), a push plate (2104) is fixedly connected to the second sleeve (2102), guide plates (2105) which are symmetrically distributed are slidingly connected to the push plate (2104), detection plates (2106) are fixedly connected between adjacent guide plates (2105) which are symmetrically distributed, the detection plates (2106) are elastic pieces, and a detection assembly used for detecting the diameter of a steel pipe (101) is arranged on the second sleeve (2102).
9. A pipe bending apparatus for a construction basket according to claim 8, wherein: the distance between symmetrically distributed detecting plates (2106) is smaller than the lateral distance between the first pressing plate (8) and the second pressing plate (15).
10. A pipe bending apparatus for a construction basket according to claim 8, wherein: the detection assembly comprises symmetrically distributed inserted rods (2107), the symmetrically distributed inserted rods (2107) are respectively and slidably connected to adjacent second sleeves (2102), the inserted rods (2107) are fixedly connected with adjacent detection plates (2106), the inserted rods (2107) are slidably connected with adjacent push plates (2104), piston discs (2108) fixedly connected with the adjacent inserted rods (2107) are slidably connected in the second sleeves (2102), through holes are formed in the second sleeves (2102), the second sleeves (2102) close to the T-shaped frames (10) are communicated with the T-shaped guide tubes (1907), hydraulic oil is filled in the third sleeves (1901), the T-shaped guide tubes (1907) and the second sleeves (2102) close to the T-shaped frames (10), the second sleeves (2102) close to the fixing plates (2001) are communicated with the flexible tubes (2008), and hydraulic oil is filled in the first sleeves (2004), the flexible tubes (2008) and the second sleeves (2102) close to the T-shaped frames (10).
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| CN202310662161.6A CN116371983B (en) | 2023-06-06 | 2023-06-06 | Pipe fitting bending device for building hanging basket |
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| CN202310662161.6A CN116371983B (en) | 2023-06-06 | 2023-06-06 | Pipe fitting bending device for building hanging basket |
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| CN116618444B (en) * | 2023-07-24 | 2023-09-15 | 山东高原油气装备有限公司 | Pipe mill with prick a section of thick bamboo interval regulatory function |
| CN116689573B (en) * | 2023-08-01 | 2023-10-03 | 靖江泰通汽车科技有限公司 | Multifunctional adjusting alloy steel cold-bending forming machine for automobile |
| CN116833272B (en) * | 2023-09-01 | 2023-11-17 | 新乡市锦运汽车配件有限公司 | Aluminum profile arc bending device |
| CN117046939B (en) * | 2023-10-13 | 2023-12-26 | 南通日旭重工科技有限公司 | Manual pipe bending machine |
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