CN118046224A - Automatic edge cutting machine for welded pipe fitting - Google Patents
Automatic edge cutting machine for welded pipe fitting Download PDFInfo
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- CN118046224A CN118046224A CN202410451110.3A CN202410451110A CN118046224A CN 118046224 A CN118046224 A CN 118046224A CN 202410451110 A CN202410451110 A CN 202410451110A CN 118046224 A CN118046224 A CN 118046224A
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- sliding plate
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- 238000005520 cutting process Methods 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000003466 welding Methods 0.000 claims abstract description 17
- 238000005498 polishing Methods 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D17/00—Shearing machines or shearing devices cutting by blades pivoted on a single axis
- B23D17/02—Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor
- B23D17/06—Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by fluid or gas pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D21/00—Machines or devices for shearing or cutting tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/02—Carriages for supporting the welding or cutting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/007—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for end faces of tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to an automatic edge cutting machine for welded pipe fittings, which comprises a bottom plate, a sliding plate arranged above the bottom plate, a rotary driving mechanism and a rotary supporting mechanism which are arranged above the sliding plate, wherein a telescopic oil cylinder is arranged between the bottom plate and the sliding plate; the rotary driving mechanism is arranged at one end of the sliding plate and is used for driving the pipe fitting to rotate; the rotary supporting mechanism comprises a plurality of supporting mechanisms arranged in the middle of the sliding plate and a clamping mechanism arranged at one end of the sliding plate, the supporting mechanisms comprise supporting sleeves and a plurality of supporting cylinders which are circumferentially uniform and arranged along the radial direction of the supporting sleeves, supporting cylinder rods of the supporting cylinders penetrate through the supporting sleeves and then are fixedly connected with the mounting frame, and supporting wheels are rotatably arranged on the mounting frame. The automatic welding pipe fitting trimming machine is high in pipe fitting rotation stability, stable in cutting quality, time-saving and labor-saving, applicable to machining of pipe fittings with different diameters and high in automation degree.
Description
Technical Field
The invention relates to the technical field of pipe fitting machining equipment, in particular to an automatic edge cutting machine for welded pipe fittings.
Background
The pipe fitting welding is an indispensable process in the pipe fitting course of working, and the pipe fitting needs to cut out the limit before the welding, and when the pipe fitting was cut out the limit, there are two modes, and first is that the cut-off knife is rotatory a week cut-off limit around the pipe fitting, and the second is that pipe fitting self is rotatory, with cut-off knife contact cut-off limit, the former is because need erect the cut-off knife and remove the track, and the cost is higher and the suitability is low, mainly adopts the later kind cut-off limit mode in the market. The common trimming machine mainly positions the pipe fitting from the outside, and enables the pipe fitting to lie on the workbench surface, and due to the difficulty in stable rotation, the problems of poor stability and more burrs exist during trimming, so that the later trimming amount is large, a new processing procedure is added, and the processing cost is increased. In addition, the pipe fitting after the cutting edge needs manual alignment welding, and the problem that production efficiency is low, wastes time and energy is also caused. Aiming at the problems, the invention provides the automatic edge cutting machine for the welded pipe fitting, which has the advantages of high rotation stability of the pipe fitting, stable cutting quality, time and labor saving, suitability for processing pipe fittings with different diameters and high automation degree.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic edge cutting machine for welded pipe fittings, which has the advantages of high rotation stability of pipe fittings, stable cutting quality, time and labor saving, suitability for processing pipe fittings with different diameters and high automation degree.
In order to solve the problems, the invention adopts the following technical scheme:
An automatic edge cutting machine for welded pipe fittings comprises a bottom plate, a sliding plate arranged above the bottom plate, a rotary driving mechanism and a rotary supporting mechanism which are arranged above the sliding plate, wherein a telescopic oil cylinder is arranged between the bottom plate and the sliding plate; the rotary driving mechanism is arranged at one end of the sliding plate and is used for driving the pipe fitting to rotate; the rotary supporting mechanism comprises a plurality of supporting mechanisms arranged in the middle of the sliding plate and a clamping mechanism arranged at one end of the sliding plate, the supporting mechanisms comprise supporting sleeves and a plurality of supporting oil cylinders which are circumferentially uniform and are arranged along the radial direction of the supporting sleeves, supporting oil cylinder rods of the supporting oil cylinders penetrate through the supporting sleeves and are fixedly connected with a mounting frame, and supporting wheels are rotatably arranged on the mounting frame;
The clamping mechanism comprises a circular mounting plate, a first fixing sleeve and a second fixing sleeve which are coaxially and sequentially arranged, a connecting disc is arranged on one side, close to the mounting plate, of the first fixing sleeve, a plurality of clamping cylinders are arranged between the mounting plate and the connecting disc, and the mounting plate and the second fixing sleeve are fixedly arranged on the sliding plate through a bracket;
the first fixing sleeve is internally provided with a first clamping plate, a first bearing is arranged between the first clamping plate and the first clamping plate, a third through hole is formed in the middle of the first clamping plate, a plurality of guide grooves are uniformly formed in the circumference of the inner wall of the third through hole, a yielding groove which is communicated with the guide grooves is formed in one side, far away from the mounting plate, of the first clamping plate, the guide grooves and the yielding groove are arranged along the radial direction of the first clamping plate, guide blocks are arranged in the guide grooves, tension springs are connected between the inner ends of the guide blocks and the bottoms of the guide grooves, and clamping blocks penetrating out of the yielding grooves are fixedly arranged at the outer ends of the guide blocks;
The second clamping plate is arranged inside the second fixing sleeve, a second bearing is arranged between the second clamping plate and the second fixing sleeve, a fourth through hole is formed in the middle of the second clamping plate, a plurality of limiting grooves which are in one-to-one correspondence with the clamping blocks are uniformly formed in the circumference of the inner wall of the fourth through hole, guide rods are arranged on the first clamping plate, and corresponding guide holes are formed in the second clamping plate;
the cutting device further comprises a first lifting rod arranged on the bottom plate and a cutting device arranged at the upper end of the first lifting rod.
As one implementation mode of the invention, the rotary driving mechanism comprises a fixed plate vertically fixed above the sliding plate and a rotary motor fixed on the inner side of the fixed plate, an output shaft of the rotary motor is coaxially and fixedly connected with the middle part of the positioning disk, a fixed sleeve is fixedly arranged on one side of the positioning disk, which is far away from the rotary motor, a plurality of threaded holes are uniformly circumferentially formed in the fixed sleeve along the radial radiation direction of the fixed sleeve, and fastening bolts are screwed in the threaded holes.
As one embodiment of the present invention, the groove bottom of the limiting groove is inclined, and the depth from one side of the second clamping plate far from the first clamping plate to one side of the second clamping plate near to the first clamping plate is gradually increased.
As one implementation mode of the invention, the outer side of the free end of the clamping block is provided with a first slope, and the inclination angle of the first slope is the same as the inclination angle of the bottom of the limiting groove.
As one embodiment of the present invention, the cutting device is provided with a gas cutting head or a cutting knife.
As one embodiment of the present invention, three screw holes, three support cylinders, three clamping cylinders, three guide grooves, and three guide rods are provided.
As one implementation mode of the invention, the invention further comprises a second lifting rod arranged on the bottom plate, wherein a polishing motor is fixedly arranged at the upper end of the second lifting rod, and a polishing wheel is arranged on an output shaft of the polishing motor.
As one embodiment of the invention, the sliding plate is provided with a strip-shaped abdication hole corresponding to the first lifting rod and the second lifting rod along the length direction.
As an implementation mode of the invention, two groups of sliding plates, a rotary driving mechanism, a rotary supporting mechanism, a cutting device and a polishing motor are symmetrically arranged on the bottom plate, a third lifting rod is vertically arranged in the middle of the bottom plate, and a welding head is arranged at the upper end of the third lifting rod.
As one embodiment of the invention, a sensor for detecting the position of the free end of the upper pipe fitting is arranged at the position corresponding to the yielding hole on the bottom plate.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
According to the automatic edge cutting machine for the welded pipe fitting, when the rotary driving device drives the pipe fitting to rotate in the cutting process, the pipe fitting is stably supported through the rotary supporting mechanism, on one hand, the pipe fitting is always in a horizontal state through the supporting mechanism and the clamping mechanism, and the problem that the cutting end of the pipe fitting is tilted due to bending of the middle part of the pipe fitting under the action of gravity, so that the cutting end face is not flush is avoided; on the other hand, the free end of the pipe fitting is clamped through the clamping mechanism, so that the coaxiality of the pipe fitting in the rotating process is ensured, and the shaking of the pipe fitting is avoided during cutting or polishing, so that the rotation stability of the pipe fitting is high, and the cutting quality is stable; in still another aspect, the rotary driving device, the supporting mechanism and the clamping mechanism can drive, support and clamp the pipe fittings with different diameters, and can work the pipe fittings with different pipe diameters by matching with the liftable cutting device, the polishing motor and the welding head. In addition, through setting up two sets of sliding plates, rotary driving mechanism, rotary supporting mechanism, cutting device, motor and the soldered connection of polishing, accomplish tailorring and polishing the back to the pipe fitting, can directly align the welding, under rotary supporting mechanism effect, two pipe fittings tailor end butt joint axiality height, production process labour saving and time saving, degree of automation improves greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of a portion of fig. 1 at a.
Fig. 3 is a schematic diagram of the front view structure of the present invention.
Fig. 4 is a partially enlarged schematic view at B in fig. 3.
Fig. 5 is a schematic view of another angular configuration of the present invention.
Fig. 6 is a schematic structural view of a rotary support mechanism according to the present invention.
FIG. 7 is a schematic view of another angular structure of the rotary support mechanism according to the present invention.
Fig. 8 is a schematic view of another angle structure of the rotary supporting mechanism in the present invention.
Fig. 9 is a schematic structural view of the clamping mechanism in the present invention.
Fig. 10 is a schematic structural view of the mounting plate, the clamping cylinder and the first fixing sleeve in the clamping mechanism of the present invention.
Fig. 11 is a schematic structural view of the first fixing sleeve and the first clamping plate in the clamping mechanism of the present invention.
Fig. 12 is a schematic view of another angle structure of the first fixing sleeve and the first clamping plate in the clamping mechanism of the present invention.
Fig. 13 is a schematic front view of the first fixing sleeve and the first clamping plate in the clamping mechanism of the present invention.
FIG. 14 is a schematic cross-sectional view of the structure at A-A in FIG. 13.
FIG. 15 is a schematic cross-sectional view of the structure at B-B in FIG. 13.
Fig. 16 is a schematic structural view of a first fixing sleeve in the clamping mechanism of the present invention.
Wherein: 1 bottom plate, 2 guide plates, 3 telescopic cylinders, 301 telescopic cylinder rods, 4 sliding plates, 401 abdication holes, 5 fixing plates, 6 rotating motors, 7 fixing sleeves, 701 positioning plates, 8 threaded holes, 9 fastening bolts, 10 supporting sleeves, 11 supporting cylinders, 12 supporting cylinder rods, 13 mounting frames, 14 supporting wheels, 15 mounting plates, 1501 first through holes, 16 clamping cylinders, 1601 clamping cylinder rods, 17 first fixing sleeves, 1701 connecting plates, 1702 second through holes, 18 first bearings, 19 first clamping plates, 1901 third through holes, 20 guide grooves, 21 abdication grooves, 22 guide blocks, 23 clamping blocks, 2301 first slopes, 24 tension springs, 25 second fixing sleeves, 26 second bearing blocks, 27 second clamping plates, 2701 fourth through holes, 28 limiting grooves, 29 guide rods, 30 guide holes, 31 first lifting rods, 32 cutting devices, 33 air heads, 34 cutting devices, 36 second lifting rods, 37 grinding cutters, 38 grinding wheels, 39 third lifting rods, 40 welding heads, 41, 42 support brackets and 43 support brackets.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be clearly and completely described in connection with the following specific embodiments.
The automatic edge cutting machine for the welded pipe fitting comprises a bottom plate 1, a sliding plate 4 arranged above the bottom plate 1, a rotary driving mechanism and a rotary supporting mechanism which are arranged above the sliding plate 4, wherein a telescopic oil cylinder 3 is arranged between the bottom plate 1 and the sliding plate 4, the telescopic oil cylinder 3 is fixedly arranged on the bottom plate 1, and the free end of a telescopic oil cylinder rod 301 of the telescopic oil cylinder 3 is connected with the outer end of the sliding plate 4; the rotary driving mechanism is arranged at the other end of the sliding plate 4 and is used for driving the pipe fitting 41 to rotate; the rotary supporting mechanism comprises a plurality of supporting mechanisms arranged in the middle of the sliding plate 4 and a clamping mechanism arranged at one end of the sliding plate 4, wherein the supporting mechanisms comprise a supporting sleeve 10 and a plurality of supporting oil cylinders 11 which are circumferentially and uniformly arranged along the radial direction of the supporting sleeve, a supporting oil cylinder rod 12 of each supporting oil cylinder 11 penetrates through the supporting sleeve 10 and then is fixedly connected with a mounting frame 13, a supporting wheel 14 is rotatably arranged on the mounting frame 13, and the axis of the supporting wheel 14 is parallel to the axis of a pipe 41;
As shown in fig. 9-16, the clamping mechanism comprises a circular mounting plate 15, a first fixing sleeve 17 and a second fixing sleeve 25 which are coaxially and sequentially arranged, one side, close to the mounting plate 15, of the first fixing sleeve 17 is provided with a connecting disc 1701, the middle part of the mounting plate 15 is provided with a first through hole 1501, the middle part of the connecting disc 1701 is provided with a second through hole 1702, a plurality of clamping cylinders 16 are arranged between the mounting plate 15 and the connecting disc 1701, the clamping cylinders 16 are circumferentially and uniformly fixedly arranged on the mounting plate 15, clamping cylinder rods 1601 of the clamping cylinders are fixedly connected with the connecting disc 1701, the mounting plate 15 and the second fixing sleeve 25 are fixedly arranged on the sliding plate 4 through a bracket 42, and as further optimization, inclined struts 43 for reinforcing are further arranged between the mounting plate 15 and the second fixing sleeve 25 and the sliding plate 4;
The first fixing sleeve 17 is internally provided with an annular first clamping plate 19, a first bearing 18 is arranged between the first clamping plate and the first fixing sleeve, an outer ring of the first bearing 18 is fixedly connected with the first fixing sleeve 17, an inner ring of the first bearing 18 is fixedly connected with the first clamping plate 19, a third through hole 1901 is formed in the middle of the first clamping plate 19, a plurality of guide grooves 20 are uniformly formed in the circumferential direction of the inner wall of the third through hole 1901, a yielding groove 21 communicated with the guide grooves 20 is formed in one side, far away from the mounting plate 15, of the first clamping plate 19, the guide grooves 20 and the yielding groove 21 are arranged along the radial direction of the first clamping plate 19, a guide block 22 is arranged in the guide groove 20, a tension spring 24 is connected between the inner end of the guide block 22 and the bottom of the guide groove 20, and under the free state, the tension spring 24 is used for positioning the guide block 22 in the guide groove 20, and the clamping block 23 penetrating out of the yielding groove 21 is horizontally and fixedly arranged at the outer end of the guide block 22;
an annular second clamping plate 27 is arranged in the second fixing sleeve 25, a second bearing 26 is arranged between the annular second clamping plate and the second fixing sleeve, an outer ring of the second bearing 26 is fixedly connected with the second fixing sleeve 25, an inner ring of the second bearing 26 is fixedly connected with the second clamping plate 27, a fourth through hole 2701 is formed in the middle of the second clamping plate 27, a plurality of limit grooves 28 which are in one-to-one correspondence with the clamping blocks 23 are uniformly formed in the circumferential direction of the inner wall of the fourth through hole 2701, guide rods 29 are arranged on the first clamping plate 19, and corresponding guide holes 30 are formed in the second clamping plate 27;
as shown in fig. 1-5, the automatic welding pipe cutting machine further comprises a first lifting rod 31 arranged on the bottom plate 1 and a cutting device 32 arranged at the upper end of the first lifting rod 31. The cutting device 32 may take two forms, as one embodiment, air cutting is adopted, a gas cutting head 33 is arranged on the cutting device 32, and as another embodiment, cutting blades are adopted for cutting, and a motor-driven cutting knife 34 is arranged on the cutting device 32.
According to the automatic welded pipe fitting trimming machine, when the rotary driving device drives the pipe fitting 41 to rotate in the trimming process, the pipe fitting 41 is stably supported through the rotary supporting mechanism, on one hand, the pipe fitting 41 is always in a horizontal state through the supporting mechanism and the clamping mechanism, and the problem that the trimming end of the pipe fitting 41 is tilted due to bending of the middle part of the pipe fitting 41 under the action of gravity, so that the trimming end face is not flush is avoided; on the other hand, the free end of the pipe 41 is clamped by the clamping mechanism, so that the coaxiality of the pipe 41 in the rotation process is ensured, and the shaking of the pipe 41 is avoided during cutting or polishing, so that the pipe rotation stability is high, and the cutting quality is stable; on the other hand, the rotary driving device, the supporting mechanism and the clamping mechanism can drive, support and clamp the pipe 41 with different diameters, and can work the pipe 41 with different pipe diameters by matching the liftable cutting device 32, the polishing motor 37 and the welding head 40. The support mechanism may be uniformly provided in plurality along the length direction of the base plate 1 according to the length of the pipe 41.
As shown in fig. 6-8, in this embodiment, the rotation driving mechanism includes a fixing plate 5 vertically fixed above the sliding plate 4 and a rotating motor 6 fixed inside the fixing plate 5, an output shaft of the rotating motor 6 is coaxially and fixedly connected with a middle part of a positioning disk 701, a fixing sleeve 7 is fixedly arranged on one side of the positioning disk 701 away from the rotating motor 6, a plurality of threaded holes 8 are uniformly circumferentially formed in the fixing sleeve 7 along a radial direction of the fixing sleeve, a fastening bolt 9 is screwed in the threaded holes 8, and a rotating handle is arranged on the fastening bolt 9.
As shown in fig. 9, in this embodiment, the groove bottom of the limiting groove 28 is inclined, and the depth of the groove bottom of the limiting groove 28 gradually increases from the side of the second clamping plate 27 away from the first clamping plate 19 to the side of the second clamping plate 27 close to the first clamping plate 10. As a further optimization, a first slope 2301 is arranged outside the free end of the clamping block 23, and the inclination angle of the first slope 2301 is the same as the inclination angle of the bottom of the limiting groove 28.
In this embodiment, three screw holes 8, three support cylinders 11, three clamping cylinders 16, three guide grooves 20, and three guide rods 29 are provided.
The automatic welding pipe fitting trimming machine further comprises a second lifting rod 36 arranged on the bottom plate 1, an angle-adjustable polishing motor 37 is fixedly arranged at the upper end of the second lifting rod 36, and a polishing wheel 38 is arranged on an output shaft of the polishing motor 37. The polishing wheel 38 is located under the pipe 41, groove polishing is always carried out on the lowest position of the pipe 41, the angle of the polishing wheel 38 can be adjusted, locking is carried out after the angle of the polishing motor 37 is adjusted, and groove polishing is carried out on the cutting end of the pipe 41.
As shown in fig. 1, 2, and 5-8, the sliding plate 4 is provided with a strip-shaped relief hole 401 corresponding to the first lifting rod 31 and the second lifting rod 36 along the length direction thereof. In the embodiment, the fixed plate 5, the fixed sleeve 7, the supporting sleeve 10, the mounting plate 15, the first fixed sleeve 17 and the second fixed sleeve 25 are sequentially arranged on the sliding plate 4 from the outer end to the inner end; the first lifting rod 31, the second lifting rod 36 and the third lifting rod 39 are arranged on the bottom plate 1 from the outer end to the inner end in sequence.
As further optimization, two groups of sliding plates 4, a rotary driving mechanism, a rotary supporting mechanism, a cutting device 32 and a polishing motor 37 are symmetrically arranged on the bottom plate 1, a third lifting rod 39 is vertically arranged in the middle of the bottom plate 1, and a welding head 40 is arranged at the upper end of the third lifting rod 39. The position on the bottom plate 1 corresponding to the yielding hole 401 is provided with a sensor for detecting the position of the free end of the pipe fitting 41 above, the horizontal distance between the two sensors and the welding head 40 is the same, after polishing is finished, the two pipe fittings 41 are controlled to be in butt joint through the telescopic oil cylinder 3, and when the sensor detects the free end of the pipe fitting 41, the two pipe fittings 41 are controlled to move by the same distance through the telescopic oil cylinder 3 until the two pipe fittings 41 are completely in butt joint. Through setting up two sets of sliding plates 4, rotary driving mechanism, rotary supporting mechanism, cutting device 32, motor 37 and the soldered connection 40 polish, accomplish tailorring and polishing the back to tube 41, can directly align the welding, under rotary supporting mechanism's effect, two tube fittings 41 tailor end butt joint axiality height, production process labour saving and time saving, degree of automation improves greatly.
As a further optimization, pressure sensors are arranged in the supporting cylinder 11 and the clamping cylinder 16, so that the pipe 41 is prevented from being extruded and deformed. An infrared sensor is arranged in the middle of the bottom plate 1 and used for detecting the positions of the free ports of the two butt joint pipe fittings 41 and preventing the pipe fittings 41 from being extruded and deformed during butt joint.
The specific working process comprises the following steps:
The sliding plate 4 is controlled to move to the end part of the bottom plate 1 through the telescopic oil cylinder 3, one end of the pipe 41 sequentially passes through the fourth through hole 2701, the third through hole 1901, the second through hole 1702, the first through hole 1501 and the supporting sleeve 10 and then is fastened in the middle part of the fixed sleeve 7 through the fastening bolt 9;
The supporting cylinder rods 12 of the three supporting cylinders 11 synchronously extend to enable the supporting wheels 14 to support the pipe fitting 41, the clamping cylinder rods 1601 of the three clamping cylinders 16 synchronously extend, the first fixing sleeve 17 moves towards the second fixing sleeve 25, the clamping blocks 23 gradually enter the limiting grooves 28, and due to the fact that the groove bottoms of the limiting grooves 28 are obliquely arranged, the guide blocks 22 can move outwards along the guide grooves 20 along with the fact that the clamping blocks 23 advance in the limiting grooves 28, and therefore the clamping blocks 23 can clamp the pipe fitting 41;
the sliding plate 4 is controlled to move towards the cutting device 32 through the telescopic oil cylinder 3, the rotating motor 6 is used for controlling the pipe 41 to rotate after the sliding plate moves to the cutting position, meanwhile, the first lifting rod 31 is used for controlling the cutting device 32 to lift, and the cutting head 33 or the cutting knife 34 is used for cutting the rotating pipe 41;
After cutting is completed, the cutting device 32 is controlled to descend through the first lifting rod 31, the grinding wheel 38 is controlled to ascend through the second lifting rod 36, the sliding plate 4 is controlled to move towards the grinding wheel 38 through the telescopic oil cylinder 3, when the cutting end of the pipe 41 is released from the grinding wheel 38, the pipe 41 is kept to rotate at a constant speed, and the grinding motor 37 is started to grind a groove on the cutting end of the pipe 41;
After polishing, the polishing wheel 38 is controlled to descend through the second lifting rod 36, the sliding plate 4 is controlled to move towards the welding head 40 through the telescopic oil cylinder 3 until the polishing ends of the two pipe fittings 41 are contacted together, the pipe fittings 41 are kept to rotate at a constant speed, and the welding head 40 is started to weld the two pipe fittings 41 together.
Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An automatic cutting edge machine for welded pipe fittings, which is characterized in that: the device comprises a bottom plate, a sliding plate arranged above the bottom plate, a rotary driving mechanism and a rotary supporting mechanism which are arranged above the sliding plate, wherein a telescopic oil cylinder is arranged between the bottom plate and the sliding plate; the rotary driving mechanism is arranged at one end of the sliding plate and is used for driving the pipe fitting to rotate; the rotary supporting mechanism comprises a plurality of supporting mechanisms arranged in the middle of the sliding plate and a clamping mechanism arranged at one end of the sliding plate, the supporting mechanisms comprise supporting sleeves and a plurality of supporting oil cylinders which are circumferentially uniform and are arranged along the radial direction of the supporting sleeves, supporting oil cylinder rods of the supporting oil cylinders penetrate through the supporting sleeves and are fixedly connected with a mounting frame, and supporting wheels are rotatably arranged on the mounting frame;
The clamping mechanism comprises a circular mounting plate, a first fixing sleeve and a second fixing sleeve which are coaxially and sequentially arranged, a connecting disc is arranged on one side, close to the mounting plate, of the first fixing sleeve, a plurality of clamping cylinders are arranged between the mounting plate and the connecting disc, and the mounting plate and the second fixing sleeve are fixedly arranged on the sliding plate through a bracket;
the first fixing sleeve is internally provided with a first clamping plate, a first bearing is arranged between the first clamping plate and the first clamping plate, a third through hole is formed in the middle of the first clamping plate, a plurality of guide grooves are uniformly formed in the circumference of the inner wall of the third through hole, a yielding groove which is communicated with the guide grooves is formed in one side, far away from the mounting plate, of the first clamping plate, the guide grooves and the yielding groove are arranged along the radial direction of the first clamping plate, guide blocks are arranged in the guide grooves, tension springs are connected between the inner ends of the guide blocks and the bottoms of the guide grooves, and clamping blocks penetrating out of the yielding grooves are fixedly arranged at the outer ends of the guide blocks;
The second clamping plate is arranged inside the second fixing sleeve, a second bearing is arranged between the second clamping plate and the second fixing sleeve, a fourth through hole is formed in the middle of the second clamping plate, a plurality of limiting grooves which are in one-to-one correspondence with the clamping blocks are uniformly formed in the circumference of the inner wall of the fourth through hole, guide rods are arranged on the first clamping plate, and corresponding guide holes are formed in the second clamping plate;
the cutting device further comprises a first lifting rod arranged on the bottom plate and a cutting device arranged at the upper end of the first lifting rod.
2. An automatic edge cutting machine for welded pipe fittings according to claim 1, wherein: the rotary driving mechanism comprises a fixed plate vertically fixed above the sliding plate and a rotary motor fixedly arranged on the inner side of the fixed plate, an output shaft of the rotary motor is coaxially and fixedly connected with the middle part of the positioning disk, a fixed sleeve is fixedly arranged on one side, far away from the rotary motor, of the positioning disk, a plurality of threaded holes are formed in the fixed sleeve in the radial direction uniformly along the circumferential direction, and fastening bolts are screwed in the threaded holes.
3. An automatic edge cutting machine for welded pipe fittings according to claim 2, wherein: the tank bottom of the limit tank is obliquely arranged, and the depth from one side of the second clamping plate far away from the first clamping plate to one side of the second clamping plate close to the first clamping plate is gradually deepened.
4. A welded pipe fitting automatic edge cutting machine as claimed in claim 3 wherein: the outer side of the free end of the clamping block is provided with a first slope, and the inclination angle of the first slope is the same as that of the bottom of the limiting groove.
5. An automatic edge cutting machine for welded pipe fittings according to claim 4, wherein: and the cutting device is provided with a gas cutting head or a cutting knife.
6. An automatic edge cutting machine for welded pipe fittings according to claim 5, wherein: the threaded holes, the supporting oil cylinders, the clamping oil cylinders, the guide grooves and the guide rods are respectively arranged in three.
7. An automatic edge cutting machine for welded pipe fittings according to any one of claims 1-6, wherein: the polishing machine is characterized by further comprising a second lifting rod arranged on the bottom plate, a polishing motor is fixedly arranged at the upper end of the second lifting rod, and a polishing wheel is arranged on an output shaft of the polishing motor.
8. The automatic edge cutting machine for welded pipe fittings according to claim 7, wherein: the sliding plate is provided with a strip-shaped abdication hole corresponding to the first lifting rod and the second lifting rod along the length direction.
9. The automatic edge cutting machine for welded pipe fittings according to claim 8, wherein: two groups of sliding plates, a rotary driving mechanism, a rotary supporting mechanism, a cutting device and a polishing motor are symmetrically arranged on the bottom plate, a third lifting rod is vertically arranged in the middle of the bottom plate, and a welding head is arranged at the upper end of the third lifting rod.
10. An automatic edge cutting machine for welded pipe fittings according to claim 9, wherein: and a sensor for detecting the position of the free end of the upper pipe fitting is arranged at the position, corresponding to the yielding hole, on the bottom plate.
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| CN202410451110.3A CN118046224B (en) | 2024-04-16 | 2024-04-16 | Automatic edge cutting machine for welded pipe fitting |
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| CN202410451110.3A CN118046224B (en) | 2024-04-16 | 2024-04-16 | Automatic edge cutting machine for welded pipe fitting |
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| CN118046224B CN118046224B (en) | 2024-06-18 |
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|---|---|
| CN118046224B (en) | 2024-06-18 |
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