CN116604156B - Plasma cutting machine for tee joint production and use method thereof - Google Patents
Plasma cutting machine for tee joint production and use method thereof Download PDFInfo
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- CN116604156B CN116604156B CN202310896808.1A CN202310896808A CN116604156B CN 116604156 B CN116604156 B CN 116604156B CN 202310896808 A CN202310896808 A CN 202310896808A CN 116604156 B CN116604156 B CN 116604156B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 230000005540 biological transmission Effects 0.000 claims description 85
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005242 forging Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- B23K10/00—Welding or cutting by means of a plasma
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The application discloses a plasma cutting machine for tee joint production and a use method thereof, and belongs to the field of tee joint pipe cutting. According to the plasma cutting machine for the tee joint production and the application method thereof, the pushing mechanism is matched with the arc-shaped guiding telescopic unit, so that the plasma cutting gun can be driven to do arc-shaped lifting movement to cut arc-shaped cuts, and the cutting efficiency is improved.
Description
Technical Field
The application relates to the technical field of three-way pipe cutting, in particular to a plasma cutting machine for three-way pipe production and a using method thereof.
Background
As shown in fig. 1, the existing tee comprises a main pipe 2 and an auxiliary pipe 1 vertically connected with the main pipe 2, and as the name implies, three ports are provided, one of which is an inlet, and the other two are outlets; or two are inlets and the remaining one is an outlet. As a common component in a pipeline system, a tee joint with a smaller caliber is mostly manufactured by forging, but for a tee joint with a larger caliber and a thicker wall thickness, the forging cost is too high, and the tee joint is often manufactured by adopting a welding mode.
The prior art mostly adopts the manual hand-held cutting machine to cut, and the cutting mode has low efficiency and is not suitable for batch production.
And it can be known that the existing plasma cutting machine can utilize the heat of the high-temperature plasma arc to make the metal at the notch of the workpiece melt (and evaporate), but can only cut the plate-shaped workpiece linearly, but can not cut the arc notch 3 at the joint of the main pipe 2 and the auxiliary pipe 1 of the three-way pipe, and meanwhile, the positioning mechanism for the three-way pipe is lacking, so that the existing plasma cutting machine can not be suitable for cutting the three-way pipe.
Disclosure of Invention
In order to solve the problems, the application provides the plasma cutting machine for the production of the tee joint and the application method thereof, and the arc-shaped cut can be cut by driving the plasma cutting gun to do arc-shaped lifting movement by arranging the jacking mechanism to be matched with the arc-shaped guiding telescopic unit, so that the cutting efficiency is improved.
In order to achieve the above purpose, the application provides a plasma cutting machine for tee joint production, which comprises a pipe conveying mechanism, a cutting mechanism arranged above the pipe conveying mechanism and clamping mechanisms arranged on two sides of the pipe conveying mechanism corresponding to the cutting mechanism, wherein a pipe to be cut is placed on the pipe conveying mechanism, the cutting mechanism comprises a hanging bracket, a transverse moving module fixed at the bottom end of the hanging bracket, a mounting plate detachably arranged at the output end of the transverse moving module, two arc-shaped guiding telescopic units symmetrically arranged on the mounting plate and a plasma cutting gun connected with the output end of the arc-shaped guiding telescopic units, and the muzzle of the plasma cutting gun extends towards the direction of the pipe to be cut.
Preferably, the arc-shaped guiding telescopic unit comprises an arc-shaped guiding component and a telescopic component, the arc-shaped guiding component is parallel to the plane of the pipe transmission mechanism, and the telescopic component is perpendicular to the plane of the pipe transmission mechanism;
the arc-shaped guide assembly comprises a half-arc guide plate detachably arranged on the mounting plate through screws, a driving wheel and a driven wheel which are respectively arranged at two ends of the half-arc guide plate in a rotating mode, and a plurality of guide wheels which are arranged on the half-arc guide plate between the driving wheel and the driven wheel in a rotating mode, wherein the guide wheels are arranged in an arc shape;
the driving wheel, the plurality of guide wheels and the driven wheel are connected through steel wire ropes, and the steel wire ropes are connected with the telescopic component;
the driving wheel is also connected with a driving motor fixed on the half-arc guide plate.
Preferably, the telescopic assembly comprises a guide column fixedly connected with the steel wire rope and a linear module stretching towards the direction of the pipe conveying mechanism, one end of the guide column penetrates through an arc-shaped guide hole formed in the semi-arc guide plate and then is fixedly connected with the steel wire rope, the other end of the guide column is fixedly connected with the linear module, and the output end of the linear module is connected with the plasma cutting gun.
Preferably, one end of the guide post, which is close to the steel wire rope, is rotationally connected with a first roller, and the first roller is in rolling connection with the guide wheel.
Preferably, the pipe transmission mechanism is an alternating translation lifting structure;
the pipe transmission mechanism comprises a frame, an outer side translation lifting unit and an inner side translation lifting unit which are arranged on the frame;
the outer side translation lifting unit and the inner side translation lifting unit respectively comprise a longitudinal movement module arranged on two sides of the frame, a lifting module vertically and fixedly connected with the output end of the longitudinal movement module, a transmission plate connected with the output end of the lifting module and a transmission block arranged on the transmission plate in a sliding manner, wherein the transmission block is also connected with the transmission plate in a positioning manner through jackscrews, and a pipe to be cut is placed on the transmission block;
the transmission plate of the outside translation elevating unit is positioned outside the transmission plate of the inside translation elevating unit.
Preferably, the transmission block comprises a left transmission block and a right transmission block, wherein the opposite sides of the left transmission block and the right transmission block are respectively provided with symmetrically arranged slopes, and the height of the opposite sides of the slopes of the left transmission block and the slopes of the right transmission block is lower than that of the opposite sides of the slopes of the left transmission block and the slopes of the right transmission block;
a pipe to be cut is placed between the slope of the left transmission block and the slope of the right transmission block;
one end of a graduated scale is fixed on the side part of the left transmission block, and the other end of the graduated scale is horizontally and slidably connected with a guide sleeve fixed on the right transmission block.
Preferably, the clamping mechanism comprises a jacking component arranged on the outer side of the outer side translation lifting unit, wherein the jacking component comprises an L-shaped supporting frame, a jacking cylinder fixedly connected with the other end of the L-shaped supporting frame, and a top plate connected with the output end of the jacking cylinder, and the top plate is tightly jacked with the end part of the pipe to be cut.
Preferably, one end of a connecting rod is fixed on the gun body of the plasma cutting gun, the other end of the connecting rod is rotationally connected with a second roller, and the second roller is in rolling connection with the circumferential side of the pipe to be cut;
the connecting rod, the second roller, the pipe to be cut and the top plate are conductors;
the second roller is connected with the negative electrode of the power supply through the connecting rod, the pipe to be cut is connected with the positive electrode of the power supply through the top plate, a coil of a contactor is further connected in series between the top plate and the positive electrode of the power supply, and a first normally open contact and a second normally open contact of the contactor are respectively connected in series between the power supply and the plasma cutting gun and between the power supply and the driving motor.
Preferably, the position of the bottom end of the hanging bracket, which corresponds to the pipe to be cut, clamped between the top plates at two sides is fixed with an infrared transmitting tube, an infrared receiving tube is arranged right below the infrared transmitting tube, the infrared receiving tube is connected with the input end of the controller, and the output end of the controller is respectively connected with the jacking cylinder, the driving motor, the linear module, the longitudinal moving module and the lifting module.
The application method of the plasma cutting machine for tee joint production comprises the following steps:
s1, the pipe to be cut machined in the previous working procedure falls to the input end of a pipe conveying mechanism, and the pipe to be cut is moved to the direction of the cutting mechanism by means of the pipe conveying mechanism:
s11, the pipe to be cut falls onto a transmission block of an outer side translation lifting unit;
s12, a lifting assembly of the outer side translation lifting unit drives a pipe to be cut to rise to a set height;
s13, driving the lifting assembly and the pipe to be cut to move towards the cutting mechanism by the longitudinal moving assembly of the outer side translation lifting unit;
s14, moving to a set distance, resetting a lifting component of the outer side translation lifting unit, driving a pipe to be cut to fall down until the pipe falls onto a transmission block of the inner side translation lifting unit, and driving the pipe to be cut to continuously move towards a cutting mechanism by using the lifting component and the longitudinal moving component of the inner side translation lifting unit, and resetting the outer side translation lifting unit;
s15, repeating the step S12-the step S14 until the pipe to be cut shields the infrared transmitting tube, and at the moment, the infrared receiving tube sends a shielding signal to the controller;
s2, the controller controls the propping mechanism to be opened, and the top plate is used for clamping the end part of the pipe to be cut:
the jacking cylinder acts to drive the top plate to move towards the direction close to the end part of the pipe to be cut until the pipe is clamped;
s3, the controller controls the cutting mechanism to be opened, and cuts the incision along the circumference side of the pipe to be cut:
s31, the transverse moving module drives the arc-shaped guiding telescopic unit to move from an initial position to a set position;
s32, the linear module of the arc-shaped guiding telescopic unit acts to drive the plasma cutting gun to move towards the direction of the pipe to be cut until the second roller contacts the pipe to be cut, the contactor is electrified, the first normally open contact and the second normally open contact of the contactor are closed, the plasma cutting gun starts to work when electrified, meanwhile, the driving motor drives the driving wheel to act to drive the steel wire rope to move in an arc shape, and then the plasma cutting gun is driven to walk along the arc shape of the half-arc guiding plate, and the plasma cutting gun can be driven to cut in the walking process;
s4, after cutting is completed, pushing the cylinder to reset to drive the top plate to reset, and loosening the cut pipe;
s5, conveying the cut pipe to an output end by using a pipe conveying mechanism, conveying a new pipe to be cut to the lower part of the cutting mechanism, and repeating the steps S1-S4.
The application has the following beneficial effects:
1. the arc-shaped guiding telescopic unit drives the plasma cutting gun to lift in an arc shape, so that the incision cutting on the circumferential side of the pipe is realized;
2. the symmetrical arc-shaped guiding telescopic units are arranged, so that the cutting efficiency is improved;
3. the arrangement of the tube conveying mechanism of the alternating type translational lifting structure improves the tube conveying efficiency.
The technical scheme of the application is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a prior art tee;
FIG. 2 is a side view of a three-way plasma cutter for manufacturing according to the present application;
FIG. 3 is a front view of a three-way production plasma cutter according to the present application;
fig. 4 is a schematic structural view of an arc-shaped guiding telescopic unit of the plasma cutting machine for tee joint production.
Wherein: 1. a pipe transmission mechanism; 11. a frame; 12. an outside translational lifting unit; 121. longitudinally moving the module; 122. a lifting module; 123. a transmission plate; 124. a left side transmission block; 125. a right side transmission block; 126. a graduated scale; 13. an inner side translational elevating unit;
2. pipe to be cut;
3. a cutting mechanism; 31. a hanging bracket; 32. a lateral movement module; 33. an arc-shaped guide assembly; 331. a half-arc guide plate; 332. a wire rope; 333. a guide wheel; 334. an arc-shaped guide hole; 335. a driving wheel; 336. driven wheel; 34. a telescoping assembly; 35. a plasma cutting gun; 351. muzzle (muzzle); 36. a connecting rod;
4. a jacking mechanism; 41. an L-shaped supporting frame; 42. a cylinder is tightly propped; 43. and a top plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the detailed description and specific examples, while indicating the embodiment of the application, are intended for purposes of illustration only and are not intended to limit the scope of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality.
It should be noted that the terms "comprises" and "comprising," along with any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 2-4, a three-way production plasma cutting machine comprises a pipe conveying mechanism 1, a cutting mechanism 3 arranged above the pipe conveying mechanism 1, and clamping mechanisms arranged on two sides of the pipe conveying mechanism 1 corresponding to the cutting mechanism 3, wherein a pipe 2 to be cut is placed on the pipe conveying mechanism 1, the cutting mechanism 3 comprises a hanging bracket 31, a transverse moving module 32 fixed at the bottom end of the hanging bracket 31, a mounting plate detachably arranged at the output end of the transverse moving module 32, two arc-shaped guiding telescopic units symmetrically arranged on the mounting plate, and a plasma cutting gun 35 connected with the output end of the arc-shaped guiding telescopic units, and a muzzle 351 of the plasma cutting gun 35 extends towards the direction of the pipe 2 to be cut.
Preferably, the arc-shaped guiding telescopic unit comprises an arc-shaped guiding component 33 and a telescopic component 34, wherein the arc-shaped guiding component 33 is parallel to the plane of the pipe conveying mechanism 1, and the telescopic component 34 is perpendicular to the plane of the pipe conveying mechanism 1; the arc-shaped guide assembly 33 comprises a half-arc guide plate 331 detachably arranged on the mounting plate through screws, a driving wheel 335 and a driven wheel 336 which are respectively arranged at two ends of the half-arc guide plate 331 in a rotating mode, and a plurality of guide wheels 333 which are arranged on the half-arc guide plate 331 between the driving wheel 335 and the driven wheel 336 in a rotating mode, wherein the guide wheels 333 are arranged in an arc shape; the driving wheel 335, the plurality of guide wheels 333 and the driven wheel 336 are connected through a steel wire rope 332, and the steel wire rope 332 is connected with the telescopic component 34; the driving wheel 335 is also connected to a driving motor fixed to the half arc guide plate 331.
Preferably, the telescopic assembly 34 comprises a guide column fixedly connected with the steel wire rope 332 and a linear module telescopic towards the direction of the pipe conveying mechanism 1, one end of the guide column penetrates through an arc-shaped guide hole 334 formed in the half-arc guide plate 331 and is fixedly connected with the steel wire rope 332, the other end of the guide column is fixedly connected with the linear module, and the output end of the linear module is connected with the plasma cutting gun 35.
Preferably, one end of the guide post, which is close to the steel wire rope 332, is rotatably connected with a first roller, and the first roller is in rolling connection with the guide wheel 333, so that friction between the guide post and the guide wheel 333 is reduced, and the guide post is convenient to move.
Preferably, the pipe conveying mechanism 1 is of an alternating translation lifting structure; the pipe conveying mechanism 1 comprises a frame 11, an outer side translation lifting unit 12 and an inner side translation lifting unit 13 which are arranged on the frame 11; the outer side translation lifting unit 12 and the inner side translation lifting unit 13 respectively comprise a longitudinal movement module 121 arranged at two sides of the frame 11, a lifting module 122 vertically and fixedly connected with the output end of the longitudinal movement module 121, a transmission plate 123 connected with the output end of the lifting module 122, and a transmission block arranged on the transmission plate 123 in a sliding manner, wherein the transmission block is also connected with the transmission plate 123 in a positioning manner through jackscrews, and a pipe 2 to be cut is placed on the transmission block; the transfer plate 123 of the outer translational elevating unit 12 is located outside the transfer plate 123 of the inner translational elevating unit 13.
Preferably, the transmission blocks include a left transmission block 124 and a right transmission block 125, opposite sides of the left transmission block 124 and the right transmission block 125 are provided with symmetrically arranged slopes, and a height of opposite sides of the slopes of the left transmission block 124 and the slopes of the right transmission block 125 is lower than a height of opposite sides of the slopes of the left transmission block 124 and the slopes of the right transmission block 125; the pipe 2 to be cut is placed between the slope of the left transmission block 124 and the slope of the right transmission block 125; one end of a graduated scale 126 is fixed on the side part of the left transmission block 124, the other end of the graduated scale 126 is horizontally and slidably connected with a guide sleeve fixed on the right transmission block 125, a jackscrew is opened, the left transmission block 124 or the right transmission block 125 is moved, the distance between the left transmission block 124 and the right transmission block 125 is adjusted, and the pipe fitting with different diameters can be adapted.
Preferably, the clamping mechanism comprises a jacking component arranged on the outer side of the outer side translation lifting unit 12, wherein the jacking component comprises an L-shaped supporting frame 41, a jacking air cylinder 42 fixedly connected with the other end of the L-shaped supporting frame 41, and a top plate 43 connected with the output end of the jacking air cylinder 42, and the top plate 43 is tightly jacked with the end part of the pipe 2 to be cut.
Preferably, one end of a connecting rod 36 is fixed on the gun body of the plasma cutting gun 35, and the other end of the connecting rod 36 is rotationally connected with a second roller which is in rolling connection with the circumferential side of the pipe 2 to be cut; the connecting rod 36, the second roller, the pipe 2 to be cut and the top plate 43 are conductors; the second roller is connected with the negative pole of the power through the connecting rod 36, the pipe 2 to be cut is connected with the positive pole of the power through the top plate 43, a coil of a contactor is further connected in series between the top plate 43 and the positive pole of the power, and a first normally open contact and a second normally open contact of the contactor are respectively connected in series between the power and the plasma cutting gun 35 and between the power and the driving motor.
Preferably, an infrared transmitting tube is fixed at the bottom end of the hanger 31 and corresponds to the position of the pipe 2 to be cut clamped between the top plates 43 at two sides, an infrared receiving tube is arranged under the infrared transmitting tube, the infrared receiving tube is connected with the input end of a controller, and the output end of the controller is respectively connected with the jacking air cylinder 42, the driving motor, the linear module, the longitudinal moving module 121 and the lifting module 122.
It should be noted that, the linear module, the longitudinal moving module 121 and the lifting module 122 all include a gear motor, a screw connected to an output end of the gear motor, and a threaded sleeve connected to threads of the screw, so that the screw is driven to rotate by the gear motor, and the threaded sleeve is driven to move along the screw under the cooperation of threads.
The pipe 2 to be cut in the embodiment is a main pipe or an auxiliary pipe of a three-way pipe
The application method of the plasma cutting machine for tee joint production comprises the following steps:
s1, the pipe 2 to be cut processed in the previous process falls to the input end of a pipe conveying mechanism 1, and the pipe 2 to be cut is moved to the direction of a cutting mechanism 3 by means of the pipe conveying mechanism 1:
s11, the pipe 2 to be cut falls onto a transmission block of the outer side translation lifting unit 12;
s12, a lifting assembly of the outer side translation lifting unit 12 drives the pipe 2 to be cut to rise to a set height;
the set height in this embodiment is set by parameters, that is, the set height is determined by setting the running speed and running time of the lifting assembly, and the set height is only used to avoid interference between the outer side translational lifting unit 12 and the inner side translational lifting unit 13 (that is, there is a movement allowance between the pipe 2 to be cut and the highest end of the inner side translational lifting assembly after reaching the set height), so that the subsequent outer side translational lifting unit 12 drives the pipe 2 to be cut to translate.
S13, driving the lifting assembly and the pipe 2 to be cut to move towards the cutting mechanism 3 by the longitudinal moving assembly of the outer side translation lifting unit 12;
s14, moving to a set distance (the distance is set by an upper computer), resetting a lifting component of the outer side translation lifting unit 12, driving the pipe 2 to be cut to fall down until the pipe falls onto a transmission block of the inner side translation lifting unit 13, driving the pipe 2 to be cut to continuously move towards the cutting mechanism 3 by using a lifting component and a longitudinal moving component of the inner side translation lifting unit 13, and resetting the outer side translation lifting unit 12;
s15, repeating the step S12-the step S14 until the pipe 2 to be cut shields the infrared transmitting tube, and at the moment, the infrared receiving tube sends a shielding signal to the controller;
s2, the controller controls the propping mechanism 4 to be opened, and the top plate 43 is used for clamping the end part of the pipe 2 to be cut:
the jacking air cylinder 42 acts to drive the top plate 43 to move towards the direction close to the end of the pipe 2 to be cut until clamping, and in the embodiment, whether the pipe 2 to be cut is clamped is judged through a pressure sensor fixed on one side of the top plate 43 away from the pipe 2 to be cut, namely when the value acquired by the pressure sensor exceeds a set value, the top plate 43 is judged to clamp the pipe 2 to be cut;
s3, the controller controls the cutting mechanism 3 to be opened, and cuts a notch along the circumference side of the pipe 2 to be cut (the notch in the embodiment is an arc notch at the joint of the main pipe and the auxiliary pipe of the three-way pipe):
s31, the transverse moving module 32 drives the arc-shaped guiding telescopic unit to move from an initial position to a set position (the set position in the embodiment is that if the pipe 2 to be cut is a main pipe, the pipe 2 to be cut is moved to the center of the main pipe, and if the pipe 2 to be cut is an auxiliary pipe, the pipe 2 to be cut is moved to the end part of the pipe 2 to be cut);
s32, a linear module of the arc-shaped guiding telescopic unit acts to drive the plasma cutting gun 35 to move towards the pipe 2 to be cut until the second roller contacts the pipe 2 to be cut, the contactor is electrified, the first normally open contact and the second normally open contact of the contactor are closed, the plasma cutting gun 35 is electrified to start working, meanwhile, the driving motor drives the driving wheel 335 to act to drive the steel wire rope 332 to move in an arc shape, and then the plasma cutting gun 35 is driven to move along the arc shape of the half-arc guide plate 331, and the plasma cutting gun 35 can be driven to cut in the walking process;
s4, after cutting is completed, the jacking cylinder 42 resets to drive the top plate 43 to reset, and the cut pipe is loosened;
s5, conveying the cut pipe to an output end by using the pipe conveying mechanism 1, conveying a new pipe 2 to be cut to the lower part of the cutting mechanism 3, and repeating the steps S1-S4.
Therefore, the plasma cutting machine for tee joint production and the application method thereof can drive the plasma cutting gun to do arc lifting movement to cut arc cuts by arranging the jacking mechanism to be matched with the arc guiding telescopic unit, and the cutting efficiency is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application and not for limiting it, and although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the application can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the application.
Claims (8)
1. The utility model provides a three-way production is with plasma cutting machine, includes tubular product transmission device, sets up in the cutting mechanism of tubular product transmission device top and corresponds cutting mechanism and set up in the clamping mechanism of tubular product transmission device both sides, has placed on the tubular product transmission device and has waited to cut tubular product, its characterized in that: the cutting mechanism comprises a hanging bracket, a transverse moving module fixed at the bottom end of the hanging bracket, a mounting plate detachably arranged at the output end of the transverse moving module, two arc-shaped guiding telescopic units symmetrically arranged on the mounting plate and a plasma cutting gun connected with the output end of the arc-shaped guiding telescopic units, wherein the muzzle of the plasma cutting gun extends towards the direction of a pipe to be cut;
the arc-shaped guiding telescopic unit comprises an arc-shaped guiding assembly and a telescopic assembly, the arc-shaped guiding assembly is parallel to the plane of the pipe conveying mechanism, and the telescopic assembly is perpendicular to the plane of the pipe conveying mechanism;
the arc-shaped guide assembly comprises a half-arc guide plate detachably arranged on the mounting plate through screws, a driving wheel and a driven wheel which are respectively arranged at two ends of the half-arc guide plate in a rotating mode, and a plurality of guide wheels which are arranged on the half-arc guide plate between the driving wheel and the driven wheel in a rotating mode, wherein the guide wheels are arranged in an arc shape;
the driving wheel, the plurality of guide wheels and the driven wheel are connected through steel wire ropes, and the steel wire ropes are connected with the telescopic component;
the driving wheel is also connected with a driving motor fixed on the half-arc guide plate;
the telescopic component comprises a guide column fixedly connected with the steel wire rope and a linear module which stretches towards the direction of the pipe conveying mechanism, one end of the guide column penetrates through an arc-shaped guide hole formed in the semi-arc guide plate and then is fixedly connected with the steel wire rope, the other end of the guide column is fixedly connected with the linear module, and the output end of the linear module is connected with a plasma cutting gun.
2. The three-way plasma cutting machine for production of the three-way pipe according to claim 1, wherein: one end of the guide post, which is close to the steel wire rope, is rotationally connected with a first roller, and the first roller is in rolling connection with the guide wheel.
3. The three-way plasma cutting machine for production of the three-way pipe according to claim 1, wherein: the pipe transmission mechanism is an alternating translation lifting structure;
the pipe transmission mechanism comprises a frame, an outer side translation lifting unit and an inner side translation lifting unit which are arranged on the frame;
the outer side translation lifting unit and the inner side translation lifting unit respectively comprise a longitudinal movement module arranged on two sides of the frame, a lifting module vertically and fixedly connected with the output end of the longitudinal movement module, a transmission plate connected with the output end of the lifting module and a transmission block arranged on the transmission plate in a sliding manner, wherein the transmission block is also connected with the transmission plate in a positioning manner through jackscrews, and a pipe to be cut is placed on the transmission block;
the transmission plate of the outside translation elevating unit is positioned outside the transmission plate of the inside translation elevating unit.
4. A three-way plasma cutter for production according to claim 3, wherein: the transmission blocks comprise left transmission blocks and right transmission blocks, the opposite sides of the left transmission blocks and the right transmission blocks are respectively provided with symmetrically arranged slopes, and the heights of the opposite sides of the slopes of the left transmission blocks and the slopes of the right transmission blocks are lower than the heights of the opposite sides of the slopes of the left transmission blocks and the slopes of the right transmission blocks;
a pipe to be cut is placed between the slope of the left transmission block and the slope of the right transmission block;
one end of a graduated scale is fixed on the side part of the left transmission block, and the other end of the graduated scale is horizontally and slidably connected with a guide sleeve fixed on the right transmission block.
5. The three-way plasma cutting machine for producing a three-way pipe according to claim 4, wherein: the clamping mechanism comprises a jacking component arranged on the outer side of the outer side translation lifting unit, wherein the jacking component comprises an L-shaped supporting frame, a jacking cylinder and a top plate, one end of the L-shaped supporting frame is fixed on the rack, the jacking cylinder is fixedly connected with the other end of the L-shaped supporting frame, the top plate is connected with the output end of the jacking cylinder, and the top plate is tightly jacked with the end part of a pipe to be cut.
6. The plasma cutting machine for three-way production according to claim 5, wherein: one end of a connecting rod is fixed on the gun body of the plasma cutting gun, the other end of the connecting rod is rotationally connected with a second roller, and the second roller is in rolling connection with the circumference side of the pipe to be cut;
the connecting rod, the second roller, the pipe to be cut and the top plate are conductors;
the second roller is connected with the negative electrode of the power supply through the connecting rod, the pipe to be cut is connected with the positive electrode of the power supply through the top plate, a coil of a contactor is further connected in series between the top plate and the positive electrode of the power supply, and a first normally open contact and a second normally open contact of the contactor are respectively connected in series between the power supply and the plasma cutting gun and between the power supply and the driving motor.
7. The three-way plasma cutting machine for producing a three-way pipe according to claim 6, wherein: the position of the bottom end of the hanging bracket, which corresponds to the pipe to be cut, is fixedly provided with an infrared transmitting tube, an infrared receiving tube is arranged right below the infrared transmitting tube, the infrared receiving tube is connected with the input end of a controller, and the output end of the controller is respectively connected with a jacking cylinder, a driving motor, a linear module, a longitudinal moving module and a lifting module.
8. A method of using a three-way plasma cutter according to any of the preceding claims 1-7, characterized in that: the method comprises the following steps:
s1, the pipe to be cut machined in the previous working procedure falls to the input end of a pipe conveying mechanism, and the pipe to be cut is moved to the direction of the cutting mechanism by means of the pipe conveying mechanism:
s11, the pipe to be cut falls onto a transmission block of an outer side translation lifting unit;
s12, a lifting assembly of the outer side translation lifting unit drives a pipe to be cut to rise to a set height;
s13, driving the lifting assembly and the pipe to be cut to move towards the cutting mechanism by the longitudinal moving assembly of the outer side translation lifting unit;
s14, moving to a set distance, resetting a lifting component of the outer side translation lifting unit, driving a pipe to be cut to fall down until the pipe falls onto a transmission block of the inner side translation lifting unit, and driving the pipe to be cut to continuously move towards a cutting mechanism by using the lifting component and the longitudinal moving component of the inner side translation lifting unit, and resetting the outer side translation lifting unit;
s15, repeating the step S12-the step S14 until the pipe to be cut shields the infrared transmitting tube, and at the moment, the infrared receiving tube sends a shielding signal to the controller;
s2, the controller controls the propping mechanism to be opened, and the top plate is used for clamping the end part of the pipe to be cut:
the jacking cylinder acts to drive the top plate to move towards the direction close to the end part of the pipe to be cut until the pipe is clamped;
s3, the controller controls the cutting mechanism to be opened, and cuts the incision along the circumference side of the pipe to be cut:
s31, the transverse moving module drives the arc-shaped guiding telescopic unit to move from an initial position to a set position;
s32, the linear module of the arc-shaped guiding telescopic unit acts to drive the plasma cutting gun to move towards the direction of the pipe to be cut until the second roller contacts the pipe to be cut, the contactor is electrified, the first normally open contact and the second normally open contact of the contactor are closed, the plasma cutting gun starts to work when electrified, meanwhile, the driving motor drives the driving wheel to act to drive the steel wire rope to move in an arc shape, and then the plasma cutting gun is driven to walk along the arc shape of the half-arc guiding plate, and the plasma cutting gun can be driven to cut in the walking process;
s4, after cutting is completed, pushing the cylinder to reset to drive the top plate to reset, and loosening the cut pipe;
s5, conveying the cut pipe to an output end by using a pipe conveying mechanism, conveying a new pipe to be cut to the lower part of the cutting mechanism, and repeating the steps S1-S4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310896808.1A CN116604156B (en) | 2023-07-21 | 2023-07-21 | Plasma cutting machine for tee joint production and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310896808.1A CN116604156B (en) | 2023-07-21 | 2023-07-21 | Plasma cutting machine for tee joint production and use method thereof |
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| CN116604156B true CN116604156B (en) | 2023-09-12 |
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| KR101421427B1 (en) * | 2013-09-27 | 2014-07-28 | (주)로봇플러스 | Plasma cutting apparatus use 2d/3d cad cam |
| CN107030355A (en) * | 2017-04-12 | 2017-08-11 | 江苏科技大学 | The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes |
| CN109454317A (en) * | 2018-12-27 | 2019-03-12 | 江苏双友智能装备科技股份有限公司 | The on-line automatic cutter device of steel pipe and its cutting method |
| CN111151821A (en) * | 2018-11-08 | 2020-05-15 | 吉林大学 | Tubular product cutting device convenient to adjust |
| CN111730181A (en) * | 2020-07-09 | 2020-10-02 | 温州屉安智能科技有限公司 | Cooling equipment of plasma numerical control cutting machine |
| CN212072225U (en) * | 2020-05-22 | 2020-12-04 | 河北方泉管道装备有限公司 | Cutting device for circular sealing gasket of pipeline flange |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101421427B1 (en) * | 2013-09-27 | 2014-07-28 | (주)로봇플러스 | Plasma cutting apparatus use 2d/3d cad cam |
| CN107030355A (en) * | 2017-04-12 | 2017-08-11 | 江苏科技大学 | The cutting equipment and processing method of pipe communicated wire are mutually passed through suitable for different sizes |
| CN111151821A (en) * | 2018-11-08 | 2020-05-15 | 吉林大学 | Tubular product cutting device convenient to adjust |
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| CN111730181A (en) * | 2020-07-09 | 2020-10-02 | 温州屉安智能科技有限公司 | Cooling equipment of plasma numerical control cutting machine |
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