CN113680854A - Alternating square corrugated pipe positioning and corner correcting integrated equipment - Google Patents
Alternating square corrugated pipe positioning and corner correcting integrated equipment Download PDFInfo
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- CN113680854A CN113680854A CN202110816919.8A CN202110816919A CN113680854A CN 113680854 A CN113680854 A CN 113680854A CN 202110816919 A CN202110816919 A CN 202110816919A CN 113680854 A CN113680854 A CN 113680854A
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- 230000003993 interaction Effects 0.000 claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims abstract description 46
- 238000012937 correction Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000007493 shaping process Methods 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 17
- 239000002184 metal Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
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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
- 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
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Abstract
The invention relates to the field of metal square corrugated pipes, in particular to an alternating square corrugated pipe positioning and corner correcting integrated device. The technical problem of the invention is as follows: an alternating square corrugated pipe positioning and corner correcting integrated device is provided. The technical scheme is as follows: an alternating square corrugated pipe positioning and corner correcting integrated device comprises a power interaction assembly, an outer clamping assembly, an inner moving assembly, an extrusion assembly and the like; the power interaction assembly is slidably connected with the internal moving assembly. The invention realizes the correction processing work of the bend angle of each group of corrugated surfaces of the square pipe, ensures the processing consistency of each group of corrugated surfaces by synchronously performing the arc surface extrusion correction work from the inner side and the outer side of the bend angle, and improves the processing efficiency while ensuring the positioning accuracy by alternately performing the movement and the correction work of the processing part.
Description
Technical Field
The invention relates to the field of metal square corrugated pipes, in particular to an alternating square corrugated pipe positioning and corner correcting integrated device.
Background
The production of metal square corrugated pipe needs to heat square pipe to appointed temperature to make raw materials metal obtain high plasticity, later through letting in pressurized liquid to the inside of square pipe, later carry out axial extrusion to the end position of square pipe, the design extrusion of cooperation mould simultaneously, can accomplish after the form removal and mould into the bellows of appointed shape with square pipe.
Because the four corners of the square tube are designed to be bent angles, when the square tube is subjected to mould pressing treatment after pressurized liquid is introduced into the square tube, the bent angles of the expanded rear square tube cannot have complete transition, namely, the bent angles of the square tube part are not completely ejected by the pressurized liquid, so that the shape consistency of the upper bent angle and the lower bent angle of the square tube obtained after demoulding is poor, an ejector piece needs to be inserted into the square tube at the later stage, the area of the bent angle which is not completely ejected is ejected by the ejector piece which can be attached to the inner surface of the bent angle of the square tube, however, because the distance between every layer of corrugations of the square tube is small, and the whole square tube is of a slender structure, after the ejector piece is inserted into the square tube, the area to be treated cannot be accurately positioned in a short time, and the area to be treated by the square tube is large, the positioning and the correction and repair processing one by one prolong the processing time required by the square pipe, and reduce the processing efficiency of the square pipe.
Therefore, there is a need for an automatic device capable of accurately positioning and continuously performing multi-zone correction and repair on square tubes to solve the above problems.
Disclosure of Invention
In order to overcome the defects that a large number of regions which are not completely ejected exist at the corner of a square tube part due to incomplete transition, the distance between every two layers of corrugations of the square tube is small, the whole square tube is of a slender structure, and the defects of poor positioning accuracy and long processing time exist in the correction and repair of the square tube, the technical problem of the invention is as follows: an alternating square corrugated pipe positioning and corner correcting integrated device is provided.
The technical scheme is as follows: an alternating square corrugated pipe positioning and corner correction integrated device comprises a power interaction assembly, an outer clamping assembly, an inner moving assembly, an extrusion assembly, a main motor, a front positioning plate, a rear positioning plate, a left positioning plate and a right positioning plate; the middle part of the power interaction component is connected with an outer clamping component in a sliding way; the left rear part of the outer clamping assembly is connected with the power interaction assembly in a screwing mode; the outer clamping component can position and clamp the corrugated outer cambered surface of the square pipe; the power interaction assembly is connected with the inner moving assembly in a sliding manner inside the outer clamping assembly; the middle part of the internal moving assembly is in screwed connection with the power interaction assembly; four corners of the internal moving assembly are connected with four groups of extrusion assemblies in a co-rotating manner; the upper side and the lower side of each group of extrusion components are respectively engaged with the internal moving components; the extrusion assembly can extrude the corrugated cambered surface from the inside of the square pipe; the internal moving component can drive the extrusion component to work; the power interaction assembly can drive the outer clamping assembly and the inner moving assembly to synchronously work; a main motor is fixedly connected to the front lower part of the power interaction assembly; a front positioning plate is fixedly connected to the front lower part of the power interaction assembly; a rear positioning plate is fixedly connected to the rear lower part of the power interaction assembly; a left positioning plate is fixedly connected to the left lower part of the power interaction assembly; the right lower side of the power interaction assembly is fixedly connected with a right positioning plate.
In a preferred embodiment of the invention, the power interaction assembly comprises a main fixing frame, a side bracket, a first rotating shaft, a gear lack, a central sliding rod, a first spline shaft, a first straight gear, a first driving wheel, a first screw rod, a second straight gear, a second driving wheel, a top plate, a left sliding rod, a second screw rod, a third driving wheel, a right sliding rod, a second spline shaft and a fourth driving wheel; the front lower part of the main fixing frame is fixedly connected with a main motor; a front positioning plate is fixedly connected with the front lower part of the main fixing frame; the rear lower part of the main fixing frame is fixedly connected with a rear positioning plate; a left positioning plate is fixedly connected to the left lower part of the main fixing frame; the right lower part of the main fixing frame is fixedly connected with a right positioning plate; a side bracket is fixedly connected to the outer surface of the main fixing bracket; the front side of the main fixing frame is rotatably connected with a first rotating shaft; the output shaft of the main motor is fixedly connected with a first rotating shaft; a gear-lacking wheel is fixedly connected above the first rotating shaft; the rear side of the main fixing frame is fixedly connected with a central sliding rod; a first spline shaft is rotationally connected with the main fixing frame in front of the first rotating shaft; a first straight gear is fixedly connected below the first spline shaft; a first spline shaft is fixedly connected with a first driving wheel below the first straight gear; the middle part of the main fixing frame is rotationally connected with a first screw rod; a second straight gear is fixedly connected below the first screw rod; a second transmission wheel is fixedly connected to the first screw rod below the second straight gear; the top end of the central sliding rod is fixedly connected with a top plate; the front lower part of the top plate is rotationally connected with a first spline shaft; the top end of the first screw rod is rotatably connected with a top plate behind the first spline shaft; the first spline shaft and the central slide bar are respectively connected with the front side and the rear side of the internal moving assembly in a sliding manner; the middle part of the internal moving assembly is screwed with the outer surface of the first screw rod; a left sliding rod is fixedly connected with the side bracket on the left side of the first spline shaft; a second screw rod is rotatably connected to the side bracket at the rear side of the left slide bar; a third driving wheel is fixedly connected below the second screw rod; the second transmission wheel is connected with a third transmission wheel through a belt in a transmission way; a second spline shaft is rotatably connected to the side bracket on the right side of the first spline shaft; a fourth driving wheel is fixedly connected below the second spline shaft; the first driving wheel is in transmission connection with a fourth driving wheel through a belt; a right sliding rod is fixedly connected with the side bracket behind the second spline shaft; the left sliding rod, the right sliding rod and the second spline shaft are all connected with the outer clamping component in a sliding mode; the left rear part of the outer clamping assembly is screwed with the second screw rod.
In a preferred embodiment of the invention, the outer clamping assembly comprises a first fixed block, a first bushing, a second fixed block, a second bushing, a third spur gear, a third fixed block, a third bushing, a fourth fixed block, a fourth bushing, a lower annular frame, an upper annular frame, a first annular slide block, a push rod, a first gear ring, a spring slide block, a shaping clamping plate and a wedge plate; the outer surface of the second screw rod is screwed with a first bushing; the outer surface of the first bushing is rotatably connected with a first fixing block; the outer surface of the second spline shaft is connected with a second bushing in a sliding manner; the lower side of the outer surface of the second bushing is rotatably connected with a second fixed block; a third straight gear is fixedly connected to the upper side of the outer surface of the second bushing; the outer surface of the left sliding rod is connected with a third bushing in a sliding manner; the outer surface of the third bushing is rotatably connected with a third fixing block; the outer surface of the right sliding rod is connected with a fourth bushing in a sliding manner; the outer surface of the fourth bushing is rotatably connected with a fourth fixed block; the lower surface of the first fixed block is fixedly connected with a lower annular frame; the lower surfaces of the second fixed block, the third fixed block and the fourth fixed block are fixedly connected with a lower annular frame; the lower surface of the first fixed block is fixedly connected with an upper annular frame; the upper surfaces of the second fixed block, the third fixed block and the fourth fixed block are fixedly connected with an upper annular frame; the inner surface of the upper annular frame is connected with a first annular slide block in a sliding manner; eight groups of push rods are fixedly connected around the inner surface of the first annular slide block at equal intervals; the outer surface of the first annular sliding block is fixedly connected with a first toothed ring; the first gear ring is meshed with the third straight gear; four groups of spring sliding blocks are arranged above the lower annular frame in a surrounding manner; the inner surfaces of the first fixed block, the second fixed block, the third fixed block and the fourth fixed block are respectively connected with a group of corresponding spring sliding blocks in a sliding mode; the inner surfaces of the first fixed block, the second fixed block, the third fixed block and the fourth fixed block are fixedly connected with a group of corresponding spring components of the spring slide blocks respectively; four groups of shaping clamping plates are arranged around the upper part of the lower annular frame; the outer surface of each group of spring slide blocks is fixedly connected with a corresponding group of shaping clamping plates; four groups of wedge-shaped plates are arranged above the lower annular frame in a surrounding manner; the upper surface of each group of shaping clamping plates is fixedly connected with a corresponding group of wedge-shaped plates.
In a preferred embodiment of the present invention, the inner moving assembly includes a lower fixing plate, an upper fixing plate, a fifth bushing, a sixth bushing, a seventh bushing, a fourth spur gear, a second annular slider, and a second ring gear; the outer surface of the first screw rod is screwed with a fifth bush; the outer surface of the fifth bush is rotatably connected with a lower fixing plate; the rear side of the lower fixing plate is connected to the outer surface of the central sliding rod in a sliding manner through a bushing; a sixth bushing is screwed on the outer surface of the first screw rod above the fifth bushing; the outer surface of the sixth bushing is rotatably connected with an upper fixing plate; the rear side of the upper fixing plate is connected to the outer surface of the central sliding rod in a sliding manner through a bushing; the lower fixing plate is fixedly connected with the upper fixing plate; the front side of the lower fixing plate is rotatably connected with a seventh bushing; the inner surface of the seventh bushing is slidably connected to the outer surface of the first spline shaft; a fourth straight gear is fixedly connected to the outer surface of the seventh bushing; a sliding block in the middle of the upper surface of the lower fixing plate is connected with a second annular sliding block; a second toothed ring is fixedly connected to the outer surface of the second annular sliding block; the fourth spur gear is meshed with the second gear ring; two groups of seventh bushings, a fourth straight gear, a second annular slide block and a second gear ring are symmetrically arranged on the lower fixing plate and the upper fixing plate; four corners of the lower fixing plate are respectively connected with a corresponding group of extrusion components in a rotating way; the upper end of each group of extrusion components is rotatably connected with an upper fixing plate; the upper and lower side parts of each group of the extrusion components are engaged with a group of the corresponding second toothed rings.
In a preferred embodiment of the present invention, the extrusion assembly comprises a second rotating shaft, a fifth spur gear, a shaft sleeve, a balance weight and a rolling block; the corner of the lower fixing plate is rotatably connected with a second rotating shaft; the upper end of the second rotating shaft is rotatably connected to the corner of the upper fixing plate; two groups of fifth straight gears are fixedly connected to the upper side and the lower side of the second rotating shaft, and each group of fifth straight gears is respectively meshed with a corresponding group of second toothed rings; the middle part of the second rotating shaft is fixedly connected with an even shaft sleeve; a balance block is fixedly connected to the outer side of the shaft sleeve; three groups of grinding blocks are fixedly connected to the inner side of the shaft sleeve.
In a preferred embodiment of the present invention, two sets of slots are disposed on the front and rear sides of the top plate.
In a preferred embodiment of the present invention, three sets of slots are disposed on the surface of the fixing clamp plate.
In a preferred embodiment of the invention, the sides of the grinding block are designed as arcs opposite the inner faces of the corrugations of the square tube.
Has the advantages that: 1. the bent angle department that leads to square pipe part for overcoming incomplete transition has a large amount of regions that are not completely pushed up, because the interval is less between every layer of ripple of square pipe to the whole of square pipe is elongated structure, corrects the shortcoming that to restore to it and to have the accurate difference in location and process time length.
2. The device of the invention comprises: the lower end of a square pipe is clamped between a front positioning plate, a rear positioning plate, a left positioning plate and a right positioning plate, then an external control table adjusting device is regulated and controlled to enable four groups of extrusion components to be respectively aligned with the horizontal heights of inner arc surfaces at four corners of three groups of corrugated surfaces at the lower end of the square pipe, meanwhile, an external clamping component is aligned with the horizontal heights of outer arc surfaces at four corners of three groups of corrugated surfaces at the lower end of the square pipe, after a top fixing component locks the upper part of a power interaction component, a main motor drives the power interaction component to work, the power interaction component drives the external clamping component to respectively cling to the outer arc surfaces at the four corners of the three groups of corrugated surfaces at the lower end of the square pipe and clamp the power interaction component, meanwhile, the power interaction component drives the four groups of extrusion components to move from the inside of the square pipe to cling to the inner arc surfaces at the four corners of the three groups of corrugated surfaces at the lower end of the square pipe through an internal moving component, the inner arc surface of the corner of the square pipe is not completely ejected out by the extrusion assembly until the inner arc surface is attached to the outer clamping assembly, the correction treatment of the corners of three groups of corrugated surfaces at the lower end of the square pipe is completed, then the power interaction assembly simultaneously drives the outer clamping assembly, the inner moving assembly and four groups of extrusion assemblies connected with the outer clamping assembly and the inner moving assembly to move upwards, and then the power interaction assembly drives the outer clamping assembly and the extrusion assemblies to correct the corners of another three groups of corrugated surfaces of the square pipe according to the steps.
3. The invention realizes the correction processing work of the bend angle of each group of corrugated surfaces of the square pipe, ensures the processing consistency of each group of corrugated surfaces by synchronously performing the arc surface extrusion correction work from the inner side and the outer side of the bend angle, and improves the processing efficiency while ensuring the positioning accuracy by alternately performing the movement and the correction work of the processing part.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is a perspective view of the power interaction assembly of the present invention;
FIG. 5 is a schematic partial perspective view of a power interaction assembly of the present invention;
FIG. 6 is a perspective view of the outer clamping assembly of the present invention;
FIG. 7 is a partial perspective view of the outer clamping assembly of the present invention;
FIG. 8 is a partial top view of the outer clamping assembly of the present invention;
FIG. 9 is a perspective view of the present invention;
FIG. 10 is a schematic perspective view of a first embodiment of the internal moving assembly of the present invention;
FIG. 11 is a second perspective view of the inner moving assembly of the present invention;
FIG. 12 is a partial top view of the inner shift assembly of the present invention;
FIG. 13 is a perspective view of the extrusion assembly of the present invention;
FIG. 14 is a schematic partial perspective view of a compression assembly of the present invention;
fig. 15 is a perspective view of the top fixing assembly of the present invention.
Labeled as: 1-main motor, 2-front positioning plate, 3-rear positioning plate, 4-left positioning plate, 5-right positioning plate, 101-main fixing frame, 102-side bracket, 103-first rotating shaft, 104-missing gear, 105-central slide bar, 106-first spline shaft, 107-first straight gear, 108-first transmission wheel, 109-first lead screw, 110-second straight gear, 111-second transmission wheel, 112-top plate, 113-left slide bar, 114-second lead screw, 115-third transmission wheel, 116-right slide bar, 117-second spline shaft, 118-fourth transmission wheel, 201-first fixing block, 202-first bushing, 203-second fixing block, 204-second bushing, 205-third straight gear, 206-third fixing block, 207-third bushing, 208-fourth fixed block, 209-fourth bushing, 210-lower annular frame, 211-upper annular frame, 212-first annular slide block, 213-push rod, 214-first toothed ring, 215-spring slide block, 216-sizing clamp plate, 217-wedge plate, 301-lower fixed plate, 302-upper fixed plate, 303-fifth bushing, 304-sixth bushing, 305-seventh bushing, 306-fourth spur gear, 307-second annular slide block, 308-second toothed ring, 401-second rotating shaft, 402-fifth spur gear, 403-shaft sleeve, 404-balance block, 405-rolling block, 501-slide rail, 502-electric slide block and 503-locking plate.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
Examples
An alternating square corrugated pipe positioning and corner correction integrated device is shown in figures 1-3 and comprises a power interaction assembly, an outer clamping assembly, an inner moving assembly, an extrusion assembly, a main motor 1, a front positioning plate 2, a rear positioning plate 3, a left positioning plate 4 and a right positioning plate 5; the middle part of the power interaction component is connected with an outer clamping component in a sliding way; the left rear part of the outer clamping assembly is connected with the power interaction assembly in a screwing mode; the outer clamping component can position and clamp the corrugated outer cambered surface of the square pipe; the power interaction assembly is connected with the inner moving assembly in a sliding manner inside the outer clamping assembly; the middle part of the internal moving assembly is in screwed connection with the power interaction assembly; four corners of the internal moving assembly are connected with four groups of extrusion assemblies in a co-rotating manner; the upper side and the lower side of each group of extrusion components are respectively engaged with the internal moving components; the extrusion assembly can extrude the corrugated cambered surface from the inside of the square pipe; the internal moving component can drive the extrusion component to work; the power interaction assembly can drive the outer clamping assembly and the inner moving assembly to synchronously work; the front lower part of the power interaction component is fixedly connected with a main motor 1; a front positioning plate 2 is fixedly connected to the front lower part of the power interaction assembly; a rear positioning plate 3 is fixedly connected to the rear lower part of the power interaction assembly; a left positioning plate 4 is fixedly connected to the lower left of the power interaction assembly; the right lower side of the power interaction assembly is fixedly connected with a right positioning plate 5.
The lower end of a square pipe is clamped between a front positioning plate 2, a rear positioning plate 3, a left positioning plate 4 and a right positioning plate 5, then an external control table adjusting device is regulated and controlled to enable four groups of extrusion components to be respectively aligned with the level heights of inner arc surfaces at four bent angles of three groups of corrugated surfaces at the lower end of the square pipe, meanwhile, an external clamping component is aligned with the level heights of outer arc surfaces at four bent angles of three groups of corrugated surfaces at the lower end of the square pipe, after the top fixing component locks the upper part of the power interaction component, a main motor 1 drives the power interaction component to work, the power interaction component drives the external clamping component to respectively cling to and clamp the outer arc surfaces at the four bent angles of the three groups of corrugated surfaces at the lower end of the square pipe, meanwhile, the power interaction component drives the four groups of extrusion components to move from the inside of the square pipe to cling to the inner arc surfaces at the four bent angles of the three groups of corrugated surfaces at the lower end of the square pipe through an internal moving component, the extrusion assembly is enabled to eject the incompletely ejected area of the inner arc surface at the corner of the square pipe outwards to be attached to the outer clamping assembly, the correction treatment of the corners of three groups of corrugated surfaces at the lower end of the square pipe is completed, then the power interaction assembly simultaneously drives the outer clamping assembly, the inner moving assembly and four groups of extrusion assemblies connected with the outer clamping assembly and the inner moving assembly to move upwards, and then the power interaction assembly drives the outer clamping assembly and the extrusion assemblies to perform correction treatment on the corners of the other three groups of corrugated surfaces of the square pipe according to the steps; the invention realizes the correction processing work of the bend angle of each group of corrugated surfaces of the square pipe, ensures the processing consistency of each group of corrugated surfaces by synchronously performing the arc surface extrusion correction work from the inner side and the outer side of the bend angle, and improves the processing efficiency while ensuring the positioning accuracy by alternately performing the movement and the correction work of the processing part.
Referring to fig. 4-5, the power interaction assembly includes a main fixing frame 101, a side bracket 102, a first rotating shaft 103, a gear lacking 104, a central sliding rod 105, a first spline shaft 106, a first straight gear 107, a first driving wheel 108, a first lead screw 109, a second straight gear 110, a second driving wheel 111, a top plate 112, a left sliding rod 113, a second lead screw 114, a third driving wheel 115, a right sliding rod 116, a second spline shaft 117 and a fourth driving wheel 118; the front lower part of the main fixing frame 101 is fixedly connected with a main motor 1; the front lower part of the main fixing frame 101 is fixedly connected with a front positioning plate 2; the rear lower part of the main fixing frame 101 is fixedly connected with a rear positioning plate 3; the left lower part of the main fixing frame 101 is fixedly connected with a left positioning plate 4; the right lower part of the main fixing frame 101 is fixedly connected with a right positioning plate 5; a side bracket 102 is fixedly connected to the outer surface of the main fixing bracket 101; a first rotating shaft 103 is rotatably connected to the front side of the main fixing frame 101; the output shaft of the main motor 1 is fixedly connected with a first rotating shaft 103; a gear segment 104 is fixedly connected above the first rotating shaft 103; a central sliding rod 105 is fixedly connected to the rear side of the main fixing frame 101; a first spline shaft 106 is rotatably connected to the main holder 101 in front of the first rotation shaft 103; a first straight gear 107 is fixedly connected below the first spline shaft 106; a first transmission wheel 108 is fixedly connected to the first spline shaft 106 below the first straight gear 107; the middle part of the main fixing frame 101 is rotatably connected with a first screw rod 109; a second straight gear 110 is fixedly connected below the first screw rod 109; a second transmission wheel 111 is fixedly connected to the first screw rod 109 below the second straight gear 110; the top end of the central sliding rod 105 is fixedly connected with a top plate 112; the front lower part of the top plate 112 is rotationally connected with the first spline shaft 106; the top end of the first screw rod 109 is rotatably connected with a top plate 112 behind the first spline shaft 106; the first spline shaft 106 and the central slide bar 105 are respectively connected with the front side and the rear side of the internal moving component in a sliding way; the middle part of the internal moving assembly is screwed with the outer surface of the first screw rod 109; a left slide bar 113 is fixedly connected with the side bracket 102 at the left side of the first spline shaft 106; a second screw rod 114 is rotatably connected to the side bracket 102 at the rear side of the left sliding rod 113; a third driving wheel 115 is fixedly connected below the second screw rod 114; the second driving wheel 111 is connected with a third driving wheel 115 through belt transmission; a second spline shaft 117 is rotatably connected to the side bracket 102 on the right side of the first spline shaft 106; a fourth driving wheel 118 is fixedly connected below the second spline shaft 117; the first driving wheel 108 is connected with a fourth driving wheel 118 through belt transmission; a right slide bar 116 is fixedly connected with the side bracket 102 behind the second spline shaft 117; the left sliding rod 113, the right sliding rod 116 and the second spline shaft 117 are all connected with the outer clamping component in a sliding manner; the left rear part of the outer clamping component is screwed with a second screw rod 114; a top fixing component is fixedly connected above the side bracket 102.
Firstly, after the lower end of a square pipe is clamped between a front positioning plate 2, a rear positioning plate 3, a left positioning plate 4 and a right positioning plate 5, two groups of locking plates 503 in a top fixing assembly are respectively inserted into slots at the front side and the rear side of a top plate 112 to lock the top plate 112, so that the top plate 112 is prevented from shaking greatly in later work, then an output shaft of a main motor 1 drives a first rotating shaft 103 to rotate, the first rotating shaft 103 drives a notch gear 104 to rotate, the notch gear 104 is meshed with a first straight gear 107 to drive a first spline shaft 106 to rotate, the first spline shaft 106 drives four groups of extrusion assemblies to move from the inside of the square pipe to be tightly attached to four inner arc surfaces of three groups of corrugated surfaces at the lower end of the square pipe through an internal moving assembly, meanwhile, the first spline shaft 106 drives a first driving wheel 108 to rotate, and the first driving wheel 108 drives a second spline shaft 117 to rotate through a belt driving fourth driving wheel 118, the second spline shaft 117 drives the outer clamping component to respectively cling to and clamp the outer arc surfaces at four corners of three groups of corrugated surfaces at the lower end of the square tube, so that the extruding component ejects the incomplete ejection area of the inner arc surfaces at the corners of the square tube outwards to be attached to the outer clamping component, the correction treatment of the corners of the three groups of corrugated surfaces at the lower end of the square tube is completed, then the first rotating shaft 103 continues to drive the missing gear 104 to rotate, the missing gear 104 leaves the first straight gear 107 and then is meshed with the second straight gear 110 to drive the first screw rod 109 to rotate, the first screw rod 109 drives the second driving wheel 111 to rotate, the second driving wheel 111 drives the second screw rod 114 to rotate through the third driving wheel 115 driven by a belt, and simultaneously the first screw rod 109 and the second screw rod 114 respectively drive the outer clamping component, the inner moving component and the four groups of extruding components connected with the outer clamping component to respectively move upwards along the central sliding rod 105, the left sliding rod 113 and the right sliding rod 116, aligning the outer clamping assembly and the four groups of extrusion assemblies with the bent angles of the other three groups of corrugated surfaces of the square pipe, then continuously rotating the gear lacking 104 to leave the second straight gear 110 and to be meshed with the first straight gear 107, and then sequentially correcting the bent angles of the other three groups of corrugated surfaces of the square pipe according to the steps; the assembly completes the synchronous work of driving the outer clamping assembly and the inner moving assembly.
Referring to fig. 6 to 9, the outer clamping assembly includes a first fixing block 201, a first bushing 202, a second fixing block 203, a second bushing 204, a third spur gear 205, a third fixing block 206, a third bushing 207, a fourth fixing block 208, a fourth bushing 209, a lower annular frame 210, an upper annular frame 211, a first annular slider 212, a push rod 213, a first toothed ring 214, a spring slider 215, a setting clamp plate 216, and a wedge plate 217; a first bushing 202 is screwed on the outer surface of the second screw rod 114; the outer surface of the first bushing 202 is rotatably connected with a first fixing block 201; a second bushing 204 is slidably connected to the outer surface of the second spline shaft 117; a second fixing block 203 is rotatably connected to the lower side of the outer surface of the second bushing 204; a third spur gear 205 is fixedly connected to the upper side of the outer surface of the second bushing 204; a third bush 207 is slidably connected to the outer surface of the left slide bar 113; the outer surface of the third bushing 207 is rotatably connected with a third fixing block 206; a fourth bush 209 is connected to the outer surface of the right slide bar 116 in a sliding manner; the outer surface of the fourth bushing 209 is rotatably connected with a fourth fixing block 208; the lower surface of the first fixed block 201 is fixedly connected with a lower annular frame 210; the lower surfaces of the second fixing block 203, the third fixing block 206 and the fourth fixing block 208 are fixedly connected with a lower annular frame 210; an upper annular frame 211 is fixedly connected to the lower surface of the first fixing block 201; the upper surfaces of the second fixing block 203, the third fixing block 206 and the fourth fixing block 208 are fixedly connected with an upper annular frame 211; a first annular slider 212 is slidably connected to the inner surface of the upper annular frame 211; eight groups of push rods 213 are fixedly connected around the inner surface of the first annular slide block 212 at equal intervals; a first toothed ring 214 is fixedly connected to the outer surface of the first annular slider 212; the first toothed ring 214 engages the third spur gear 205; four groups of spring sliding blocks 215 are arranged above the lower annular frame 210 in a surrounding manner; the inner surfaces of the first fixed block 201, the second fixed block 203, the third fixed block 206 and the fourth fixed block 208 are respectively connected with a corresponding group of spring sliding blocks 215 in a sliding way; the inner surfaces of the first fixed block 201, the second fixed block 203, the third fixed block 206 and the fourth fixed block 208 are fixedly connected with a group of corresponding spring components of the spring sliding block 215; four groups of shaping clamping plates 216 are arranged above the lower annular frame 210; the outer surface of each group of spring sliding blocks 215 is fixedly connected with a corresponding group of shaping clamping plates 216; four groups of wedge-shaped plates 217 are arranged around the upper part of the lower annular frame 210; the upper surface of each set of shaping clamping plates 216 is fixedly connected with a corresponding set of wedge-shaped plates 217.
Firstly, the rotating second spline shaft 117 drives the second bushing 204 to rotate, the second bushing 204 drives the third spur gear 205 to rotate, the third spur gear 205 is meshed with the first toothed ring 214 to drive the first annular slide block 212 and the push rod 213 to slide along the upper annular frame 211, meanwhile, the push rod 213 pushes the wedge plate 217 to drive the spring slide block 215 to stretch outwards through the shaping clamp plate 216, so that three groups of clamping grooves arranged on the surfaces of the four groups of shaping clamp plates 216 are respectively tightly attached to and clamp the outer arc surfaces of the four groups of corrugated surfaces at the lower end of the square tube, meanwhile, the extruding component pushes the incompletely-pushed-out regions of the inner arc surfaces at the corner of the square tube outwards to be attached to the clamping grooves of the shaping clamp plate 216, the correction treatment on the corner positions of the three groups of corrugated surfaces at the lower end of the square tube is completed, then, the push rod 213 leaves the wedge plate 217, and simultaneously, the spring slide block 215 drives the shaping clamp plates 216 and the wedge plate 217 to reset and leave the square tube, then, the rotating second screw 114 drives the first fixed block 201 and the components connected with the first fixed block to move upwards along the left sliding rod 113 and the right sliding rod 116 through the first bushing 202, so that the outer clamping components and the four groups of extrusion components are aligned with the bent angles of the other three groups of corrugated surfaces of the square pipe; the assembly completes the positioning and clamping work of the outer arc surface at the bend angle of the corrugated surface of the square pipe.
Referring to fig. 10 to 12, the inner moving assembly includes a lower fixing plate 301, an upper fixing plate 302, a fifth bushing 303, a sixth bushing 304, a seventh bushing 305, a fourth spur gear 306, a second ring-shaped slider 307, and a second ring gear 308; the outer surface of the first screw rod 109 is screwed with a fifth bush 303; the outer surface of the fifth bush 303 is rotatably connected with a lower fixing plate 301; the rear side of the lower fixing plate 301 is slidably connected to the outer surface of the central sliding rod 105 through a bushing; a sixth bushing 304 is screwed on the outer surface of the first screw rod 109 above the fifth bushing 303; an upper fixing plate 302 is rotatably connected to the outer surface of the sixth bushing 304; the rear side of the upper fixing plate 302 is slidably connected to the outer surface of the central sliding rod 105 through a bushing; the lower fixing plate 301 is fixedly connected with the upper fixing plate 302; a seventh bushing 305 is rotatably connected to the front side of the lower fixing plate 301; the inner surface of the seventh bush 305 is slidably attached to the outer surface of the first spline shaft 106; a fourth spur gear 306 is fixedly connected to the outer surface of the seventh bushing 305; the sliding block in the middle of the upper surface of the lower fixing plate 301 is connected with a second annular sliding block 307; a second gear ring 308 is fixedly connected to the outer surface of the second annular slider 307; the fourth spur gear 306 engages the second ring gear 308; two groups of seventh bushings 305, a fourth spur gear 306, a second annular slide block 307 and a second gear ring 308 are symmetrically arranged on the lower fixing plate 301 and the upper fixing plate 302; four corners of the lower fixing plate 301 are respectively connected with a corresponding group of extrusion components in a rotating manner; the upper end of each group of the extrusion components is rotatably connected with an upper fixing plate 302; the upper and lower side members of each set of compression assemblies each engage a corresponding set of second rings 308.
Firstly, the rotating first spline shaft 106 drives two sets of seventh bushings 305 to rotate, the seventh bushings 305 drive the fourth spur gears 306 to rotate, so that the two sets of fourth spur gears 306 are respectively meshed with second gear rings 308 connected with the two sets of fourth spur gears to drive two sets of second annular sliders 307 to respectively slide along the lower fixing plate 301 and the upper fixing plate 302, meanwhile, the rotating second gear rings 308 drive four sets of extrusion assemblies to eject the incomplete ejection areas at the corners of the square tubes to be outwards attached to the clamping grooves of the four sets of sizing clamping plates 216, and then the rotating first screw 109 simultaneously drives the lower fixing plate 301, the upper fixing plate 302 and parts connected with the lower fixing plate 301, the upper fixing plate 302 and the parts connected with the upper fixing plate to move upwards through the fifth bushings 303 and the sixth bushings 304; the assembly completes the work of driving the extrusion assembly.
Referring to fig. 13-14, the pressing assembly includes a second rotating shaft 401, a fifth spur gear 402, a bushing 403, a weight 404, and a crushing block 405; a second rotating shaft 401 is rotatably connected to the corner of the lower fixing plate 301; the upper end of the second rotating shaft 401 is rotatably connected to the corner of the upper fixing plate 302; two groups of fifth spur gears 402 are fixedly connected to the upper side and the lower side of the second rotating shaft 401, and each group of fifth spur gears 402 is respectively meshed with a corresponding group of second gear rings 308; the middle part of the second rotating shaft 401 is fixedly connected with a coupling shaft sleeve 403; a balance weight 404 is fixedly connected to the outer side of the shaft sleeve 403; three groups of grinding blocks 405 are fixedly connected to the inner side of the shaft sleeve 403.
The second gear ring 308 is rotated to be meshed with the fifth spur gear 402 to drive the second rotating shaft 401 to rotate, the second rotating shaft 401 drives the balance block 404 and the rolling block 405 to rotate through the shaft sleeve 403, when the arc surface of the rolling block 405 passes through the inner arc surface of the corner of the square pipe, the incompletely ejected area is ejected outwards until the incompletely ejected area is attached to the shaping clamp plate 216, and the correction treatment on the corner of three groups of corrugated surfaces at the lower end of the square pipe is completed; this assembly has accomplished the work of extruding the corrugated arc from the inside of the square tube.
Referring to fig. 15, the device further comprises a top fixing component, wherein the top fixing component comprises a sliding rail 501, an electric sliding block 502 and a locking plate 503; a slide rail 501 is fixedly connected above the side bracket 102, and the lower surface of the slide rail 501 is connected with an electric slide block 502 in a sliding manner; a locking plate 503 is fixedly connected to the inner side of the electric slider 502; two sets of slide rails 501, electric sliders 502 and locking plates 503 are fixed to the left and right sides of the top plate 112.
After the lower extreme of square pipe is blocked between front locating plate 2, back locating plate 3, left locating plate 4 and right locating plate 5, electronic slider 502 drives jam plate 503 along the outside roll-off of slide rail 501, makes two sets of jam plates 503 insert respectively in the front and back both sides fluting of roof 112 to its back of locking, avoids appearing great rocking in later stage work roof 112.
Two sets of slots are arranged on the front and back sides of the top plate 112.
The two sets of locking plates 503 can be inserted respectively to complete the locking process of the top plate 112, thereby avoiding the top plate 112 from shaking greatly in the later work.
Three groups of clamping grooves are arranged on the surface of the shaping clamping plate 216.
Three groups of clamping grooves on the surface of the shaping clamping plate 216 can be respectively tightly attached to the outer arc surface of the corner of the square pipe and used for clamping the outer arc surface, and meanwhile, the extrusion assembly is matched to shape the corner of the square pipe when the inner arc surface of the corner of the square pipe is not completely ejected out.
The side of the rolling block 405 is designed to be an arc face opposite to the corrugated inner arc face of the square pipe.
The side surface of the rolling block 405 can be pushed outwards by the incompletely pushed area when moving along the inner cambered surface of the corrugation of the square pipe, and the correction processing work of the bend angle of the square pipe is completed.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.
Claims (8)
1. An alternating square corrugated pipe positioning and corner correcting integrated device comprises a main motor (1), a front positioning plate (2), a rear positioning plate (3), a left positioning plate (4) and a right positioning plate (5); the device is characterized by also comprising a power interaction component, an outer clamping component, an inner moving component and an extrusion component; the middle part of the power interaction component is connected with an outer clamping component in a sliding way; the left rear part of the outer clamping assembly is connected with the power interaction assembly in a screwing mode; the outer clamping component can position and clamp the corrugated outer cambered surface of the square pipe; the power interaction assembly is connected with the inner moving assembly in a sliding manner inside the outer clamping assembly; the middle part of the internal moving assembly is in screwed connection with the power interaction assembly; four corners of the internal moving assembly are connected with four groups of extrusion assemblies in a co-rotating manner; the upper side and the lower side of each group of extrusion components are respectively engaged with the internal moving components; the extrusion assembly can extrude the corrugated cambered surface from the inside of the square pipe; the internal moving component can drive the extrusion component to work; the power interaction assembly can drive the outer clamping assembly and the inner moving assembly to synchronously work; a main motor (1) is fixedly connected to the front lower part of the power interaction assembly; a front positioning plate (2) is fixedly connected to the front lower part of the power interaction assembly; a rear positioning plate (3) is fixedly connected to the rear lower part of the power interaction assembly; a left positioning plate (4) is fixedly connected to the lower left of the power interaction assembly; the right lower part of the power interaction assembly is fixedly connected with a right positioning plate (5).
2. The alternating square corrugated pipe positioning and corner correction integrated device as claimed in claim 1, wherein the power interaction assembly comprises a main fixing frame (101), a side bracket (102), a first rotating shaft (103), a missing gear (104), a central sliding rod (105), a first spline shaft (106), a first straight gear (107), a first transmission wheel (108), a first lead screw (109), a second straight gear (110), a second transmission wheel (111), a top plate (112), a left sliding rod (113), a second lead screw (114), a third transmission wheel (115), a right sliding rod (116), a second spline shaft (117) and a fourth transmission wheel (118); the front lower part of the main fixing frame (101) is fixedly connected with a main motor (1); a front positioning plate (2) is fixedly connected with the front lower part of the main fixing frame (101); the rear lower part of the main fixing frame (101) is fixedly connected with a rear positioning plate (3); a left positioning plate (4) is fixedly connected to the lower left of the main fixing frame (101); a right positioning plate (5) is fixedly connected to the lower right of the main fixing frame (101); a side bracket (102) is fixedly connected to the outer surface of the main fixing bracket (101); the front side of the main fixing frame (101) is rotatably connected with a first rotating shaft (103); the output shaft of the main motor (1) is fixedly connected with a first rotating shaft (103); a gear-lacking wheel (104) is fixedly connected above the first rotating shaft (103); a central sliding rod (105) is fixedly connected with the rear side of the main fixing frame (101); a first spline shaft (106) is connected in front of the first rotating shaft (103) in a rotating way with the main fixing frame (101); a first straight gear (107) is fixedly connected below the first spline shaft (106); a first transmission wheel (108) is fixedly connected with the first spline shaft (106) below the first straight gear (107); the middle part of the main fixing frame (101) is rotationally connected with a first screw rod (109); a second straight gear (110) is fixedly connected below the first screw rod (109); a second transmission wheel (111) is fixedly connected to the first screw rod (109) below the second straight gear (110); the top end of the central sliding rod (105) is fixedly connected with a top plate (112); the front lower part of the top plate (112) is rotationally connected with a first spline shaft (106); the top end of the first screw rod (109) is rotatably connected with a top plate (112) behind the first spline shaft (106); the first spline shaft (106) and the central slide bar (105) are respectively connected with the front side and the rear side of the internal moving component in a sliding way; the middle part of the internal moving assembly is screwed with the outer surface of a first screw rod (109); a left sliding rod (113) is fixedly connected with the side bracket (102) on the left side of the first spline shaft (106); a second screw rod (114) is rotatably connected to the side bracket (102) at the rear side of the left sliding rod (113); a third driving wheel (115) is fixedly connected below the second screw rod (114); the second transmission wheel (111) is connected with a third transmission wheel (115) through belt transmission; a second spline shaft (117) is rotatably connected to the side bracket (102) on the right side of the first spline shaft (106); a fourth driving wheel (118) is fixedly connected below the second spline shaft (117); the first driving wheel (108) is in transmission connection with a fourth driving wheel (118) through a belt; a right sliding rod (116) is fixedly connected with the side bracket (102) at the rear part of the second spline shaft (117); the left sliding rod (113), the right sliding rod (116) and the second spline shaft (117) are all connected with the outer clamping component in a sliding mode; the left rear part of the outer clamping component is screwed with a second screw rod (114).
3. The alternating square corrugated pipe positioning and corner correcting integrated device as claimed in claim 2, wherein the outer clamping assembly comprises a first fixed block (201), a first bushing (202), a second fixed block (203), a second bushing (204), a third spur gear (205), a third fixed block (206), a third bushing (207), a fourth fixed block (208), a fourth bushing (209), a lower annular frame (210), an upper annular frame (211), a first annular slide block (212), a push rod (213), a first toothed ring (214), a spring slide block (215), a sizing clamp plate (216) and a wedge plate (217); a first bushing (202) is screwed on the outer surface of the second screw rod (114); the outer surface of the first bushing (202) is rotatably connected with a first fixed block (201); a second bushing (204) is connected to the outer surface of the second spline shaft (117) in a sliding manner; a second fixed block (203) is rotatably connected to the lower side of the outer surface of the second bushing (204); a third spur gear (205) is fixedly connected to the upper side of the outer surface of the second bushing (204); the outer surface of the left sliding rod (113) is connected with a third bushing (207) in a sliding way; the outer surface of the third bushing (207) is rotatably connected with a third fixed block (206); the outer surface of the right sliding rod (116) is connected with a fourth bush (209) in a sliding way; the outer surface of the fourth bushing (209) is rotatably connected with a fourth fixed block (208); the lower surface of the first fixed block (201) is fixedly connected with a lower annular frame (210); the lower surfaces of the second fixed block (203), the third fixed block (206) and the fourth fixed block (208) are fixedly connected with a lower annular frame (210); an upper annular frame (211) is fixedly connected to the lower surface of the first fixed block (201); the upper surfaces of the second fixed block (203), the third fixed block (206) and the fourth fixed block (208) are fixedly connected with an upper annular frame (211); the inner surface of the upper annular frame (211) is connected with a first annular slide block (212) in a sliding way; eight groups of push rods (213) are fixedly connected around the inner surface of the first annular slide block (212) at equal intervals; a first toothed ring (214) is fixedly connected to the outer surface of the first annular sliding block (212); the first toothed ring (214) engages the third spur gear (205); four groups of spring sliding blocks (215) are arranged around the upper part of the lower annular frame (210); the inner surfaces of the first fixed block (201), the second fixed block (203), the third fixed block (206) and the fourth fixed block (208) are respectively connected with a group of corresponding spring sliding blocks (215) in a sliding mode; the inner surfaces of the first fixed block (201), the second fixed block (203), the third fixed block (206) and the fourth fixed block (208) are fixedly connected with a group of corresponding spring components of a spring slide block (215); four groups of shaping clamping plates (216) are arranged around the upper part of the lower annular frame (210); the outer surface of each group of spring sliding blocks (215) is fixedly connected with a corresponding group of shaping clamping plates (216); four groups of wedge-shaped plates (217) are arranged above the lower annular frame (210); the upper surface of each group of shaping clamping plates (216) is fixedly connected with a corresponding group of wedge-shaped plates (217).
4. An alternate quad bellows positioning and corner correction integrated device as claimed in claim 3, wherein the inner moving assembly comprises a lower fixing plate (301), an upper fixing plate (302), a fifth bushing (303), a sixth bushing (304), a seventh bushing (305), a fourth spur gear (306), a second ring-shaped sliding block (307) and a second toothed ring (308); the outer surface of the first screw rod (109) is screwed with a fifth bushing (303); the outer surface of the fifth bush (303) is rotatably connected with a lower fixing plate (301); the rear side of the lower fixing plate (301) is connected with the outer surface of the central sliding rod (105) in a sliding way through a bushing; a sixth bushing (304) is screwed on the outer surface of the first screw rod (109) above the fifth bushing (303); the outer surface of the sixth bushing (304) is rotatably connected with an upper fixing plate (302); the rear side of the upper fixing plate (302) is connected with the outer surface of the central sliding rod (105) in a sliding way through a bush; the lower fixing plate (301) is fixedly connected with the upper fixing plate (302); a seventh bushing (305) is rotatably connected to the front side of the lower fixing plate (301); the inner surface of the seventh bush (305) is slidably connected to the outer surface of the first spline shaft (106); a fourth spur gear (306) is fixedly connected to the outer surface of the seventh bushing (305); a second annular sliding block (307) is connected with the sliding block in the middle of the upper surface of the lower fixing plate (301); a second toothed ring (308) is fixedly connected to the outer surface of the second annular sliding block (307); the fourth spur gear (306) engages the second toothed ring (308); two groups of seventh bushings (305), a fourth spur gear (306), a second annular slide block (307) and a second gear ring (308) are symmetrically arranged on the lower fixing plate (301) and the upper fixing plate (302); four corners of the lower fixing plate (301) are respectively connected with a corresponding group of extrusion components in a rotating way; the upper end of each group of the extrusion components is rotatably connected with an upper fixing plate (302); the upper and lower side members of each set of compression assemblies engage a corresponding set of second toothed rings (308).
5. The alternating square bellows positioning and corner correction integrated device as claimed in claim 4, wherein the pressing unit comprises a second rotating shaft (401), a fifth spur gear (402), a bushing (403), a balance weight (404) and a rolling block (405); the corner of the lower fixing plate (301) is rotatably connected with a second rotating shaft (401); the upper end of the second rotating shaft (401) is rotatably connected to the corner of the upper fixing plate (302); two groups of fifth spur gears (402) are fixedly connected to the upper side and the lower side of the second rotating shaft (401), and each group of fifth spur gears (402) is respectively meshed with a corresponding group of second toothed rings (308); the middle part of the second rotating shaft (401) is fixedly connected with a coupling shaft sleeve (403); a balance weight (404) is fixedly connected to the outer side of the shaft sleeve (403); three groups of grinding blocks (405) are fixedly connected to the inner side of the shaft sleeve (403).
6. An alternating square bellows positioning and corner correction integrated device as claimed in any one of claims 2 to 5 wherein the top plate (112) is provided with two sets of slots on both front and rear sides.
7. An alternate square bellows orientation and bend correction integrated device as claimed in claim 3 wherein the surface of the sizing clamp plate (216) is provided with three sets of slots.
8. An alternating square bellows orientation and bend correction integrated device as claimed in claim 5 wherein the crush blocks (405) are designed with sides facing the inner faces of the corrugations of the square tube.
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| CN202110816919.8A CN113680854B (en) | 2021-07-20 | 2021-07-20 | Alternating square corrugated pipe positioning and corner correcting integrated equipment |
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| CN202110816919.8A CN113680854B (en) | 2021-07-20 | 2021-07-20 | Alternating square corrugated pipe positioning and corner correcting integrated equipment |
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| CN210730607U (en) * | 2019-09-30 | 2020-06-12 | 太仓腾辉金属制品有限公司 | High-precision automatic roundness correction device suitable for aluminum alloy pipes |
| CN212264217U (en) * | 2020-05-30 | 2021-01-01 | 杭州力亨预应力材料有限公司 | Automatic shaping device for metal corrugated pipe |
| CN212633901U (en) * | 2020-06-13 | 2021-03-02 | 洛阳隆胜兴源机械制造有限公司 | Cylinder roundness correcting device for manufacturing pressure container |
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