CN119057266B - Portal truss of laser cutting machine - Google Patents

Portal truss of laser cutting machine Download PDF

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Publication number
CN119057266B
CN119057266B CN202411562582.2A CN202411562582A CN119057266B CN 119057266 B CN119057266 B CN 119057266B CN 202411562582 A CN202411562582 A CN 202411562582A CN 119057266 B CN119057266 B CN 119057266B
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CN
China
Prior art keywords
shaped
truss
cutting machine
laser cutting
wall
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CN202411562582.2A
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Chinese (zh)
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CN119057266A (en
Inventor
牛加涛
卢青峰
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Jinan Hongniu Machinery Equipment Co ltd
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Jinan Hongniu Machinery Equipment Co ltd
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Priority to CN202411562582.2A priority Critical patent/CN119057266B/en
Publication of CN119057266A publication Critical patent/CN119057266A/en
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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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
    • 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
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses a gantry truss of a laser cutting machine, which relates to the technical field of gantry trusses and comprises a U-shaped base and a damping positioning mechanism, wherein the top wall of the U-shaped base is provided with two guide rail mechanisms and two damping positioning mechanisms which are distributed front and back, a gantry truss mechanism is arranged on a sliding rail, a spring rod group is arranged on a first sliding part and a second sliding part, the gantry truss mechanism is symmetrical front and back, the first sliding part is vertically symmetrically provided with a damping mechanism, and the gantry truss mechanism is provided with a dustproof balancing mechanism. According to the invention, the guide rail mechanism is matched with the spring rod group to absorb shock when the laser cutting machine works, so that the stability of the laser cutting machine is enhanced, the shock absorption positioning mechanism is matched with the buffer shock absorption mechanism to absorb shock and position when the laser cutting machine works to stop, and the guide rail mechanism is matched with the dustproof balancing mechanism to fully absorb dust and improve the stability of the whole structure.

Description

Portal truss of laser cutting machine
Technical Field
The invention relates to the technical field of gantry trusses, in particular to a gantry truss of a laser cutting machine.
Background
The laser cutting machine is a high-precision and high-speed cutting tool, the gantry truss of the laser cutting machine is a gantry type structure bearing device used in the laser cutting machine and is mainly used for supporting and moving a laser cutting head, a guide rail system is arranged on the gantry truss for guiding the laser cutting direction, and the gantry truss of the laser cutting machine is usually made of high-strength steel or aluminum alloy materials so as to ensure the strength and the light weight of the gantry truss and ensure the cutting quality and the cutting efficiency.
The existing laser cutting machine moves on a guide rail system through a gantry truss in the moving cutting process to drive the laser cutting machine to move in the X-axis direction, meanwhile, the laser cutting machine moves on the gantry truss in the Y-axis direction and the Z-axis direction, vibration can be generated in the moving process of the gantry truss and the moving operation of the laser cutting machine, a cutting track deviates from a preset path, cutting precision is reduced, inertial impact force exists when the laser cutting machine moves to the end part of the guide rail, long-term vibration and collision of the inertial impact force can accelerate abrasion of mechanical parts at the end part of the guide rail, the service life of equipment is shortened, and moreover, weight distribution of each part is uneven due to displacement of the laser cutting machine in the moving process of the laser cutting machine, and the vibration condition is more obvious.
Therefore, in order to improve the cutting precision, the invention provides a gantry truss of a laser cutting machine.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a gantry truss of a laser cutting machine.
The laser cutting machine gantry truss comprises a U-shaped base and a damping positioning mechanism, wherein two guide rail mechanisms and two damping positioning mechanisms are arranged on the top wall of the U-shaped base, the guide rail mechanisms comprise sliding rails, the top wall of the U-shaped base is fixedly connected with the sliding rails, the damping positioning mechanism comprises a front supporting slide seat and a rear supporting slide seat, the front wall and the rear wall of the U-shaped base are connected with the supporting slide seat in a sliding manner, the two supporting slide seats are symmetrically distributed around the sliding rails, a bidirectional hydraulic rod is arranged between one side, close to the two supporting slide seats, of the two supporting slide seats, a fixed end of the middle part of the bidirectional hydraulic rod is fixedly connected with the U-shaped base, a plurality of positioning blocks and a plurality of adjusting blocks are uniformly arranged and fixedly connected in the middle part of the outer wall of one side, close to the two supporting slide seats, the positioning blocks and the adjusting blocks are in one-to-one correspondence up and down, a gantry truss mechanism is arranged on the sliding rails, a first sliding member is connected on the gantry truss mechanism in a sliding manner, a second sliding member is connected on a right side wall of the sliding member in a sliding manner, the first sliding member is arranged on the sliding member, the first sliding member is symmetrically arranged on the sliding member, and the first sliding member is arranged on the sliding member.
In the above-mentioned laser cutting machine longmen truss, the sliding chamber has been seted up to the inside of slide rail, and the interior bottom wall of slide rail sliding chamber has V type shock attenuation piece through spring coupling, a plurality of regulation mouths of being connected with the sliding chamber have evenly been seted up to the front and back lateral wall of slide rail, and regulation mouthful and regulating block one-to-one, the roof of regulating block is close to V type shock attenuation piece department and is the slope form, and the slope form roof of regulating block and the diapire looks adaptation of V type shock attenuation piece, the spring staggered distribution that regulating block and V type shock attenuation piece are connected.
In the gantry truss of the laser cutting machine, the gantry truss mechanism comprises truss main bodies, two truss main bodies are connected to the slide rails in a sliding mode, the truss main bodies are composed of an H-shaped seat and an inverted-mountain-shaped seat which is fixed on the bottom wall of the H-shaped seat and connected with the slide rails, an inverted U-shaped frame is fixedly connected to the top wall of the H-shaped seat of the truss main body, transverse plates are fixedly connected to the inner walls of the front side and the rear side of the inverted U-shaped frame, and positioning grooves corresponding to the positioning blocks are formed in the front side wall and the rear side wall of the H-shaped seat of the truss main body.
In the above-mentioned laser cutting machine longmen truss, the sliding chamber of slide rail and the shape seat looks adaptation of falling "mountain" of truss main part, the middle part diapire of the shape seat of falling "mountain" of truss main part is the arrow-shaped by two inclined planes connection, and the middle part diapire of the shape seat of falling "mountain" of truss main part is with the roof looks adaptation of V type shock attenuation piece, one the spring lever group articulates in the left side wall of truss main part H type seat middle part roof and slider one, another the spring lever group articulates in slider one and slider two's front and back lateral walls.
In the above-mentioned laser cutting machine longmen truss, buffering damper includes the adjustment tank, and the track tip front and back symmetry that the H type seat right side wall of truss main part was seted up has seted up the adjustment tank, the track tip upper and lower symmetry that slider was seted up has seted up the adjustment tank, the inner wall of adjustment tank has rectangular damper through spring coupling, and has seted up the V type regulation track of symmetric distribution on the rectangular damper.
In the above-mentioned laser cutting machine longmen truss, one side outer wall fixedly connected with that the rectangle shock attenuation piece kept away from the spring promotes the post, and promotes the post and keep away from the one end of rectangle shock attenuation piece and set up respectively in the track tip that the truss main part was seted up, the track tip that the slider was seted up, it has the T type buffer frame of passing through spring coupling with the adjustment tank inner wall to slide on the V type adjustment track.
In the above-mentioned laser cutting machine longmen truss, dustproof balancing machine includes the dust and collects the box, and on the track that the H type seat left side wall of truss main part was seted up around sliding connection had the dust to collect the box, be provided with dust collection subassembly on the dust collection box, and dust collection subassembly includes dust absorption pipeline, the access & exit on the dust collection box is connected with dust absorption pipeline, and dust absorption pipeline's end connection has about four dust absorption heads of distributing in the side wall of the H type seat of truss main part, dust absorption pipeline's outer wall has cup jointed the arc mounting that is fixed in the side wall of the H type seat of truss main part.
In the above-mentioned laser cutting machine longmen truss, the crisscross fixedly connected with a plurality of drive lug about the front and back inner wall of slide rail, the lateral wall rotates through the torsional spring pole around the reverse "mountain" style of calligraphy seat middle part of truss main part and is connected with the driving piece, and the driving piece comprises two opening orientation truss main part's V type spare of frame type spare and frame type spare outer wall connection of cup jointing outside the dust absorption head, the V type spare and the drive lug looks adaptation of driving piece.
In the above-mentioned laser cutting machine longmen truss, be provided with stable balance mechanism on the dust collection box, the roof of dust collection box articulates there is spring pole one, the roof of slider one articulates there is spring pole two, and the equal fixed connection in one end of cam connecting piece of spring pole one and spring pole two's roof, the other end of cam connecting piece rotates to be connected in the one end of connecting rod, and the other end of two connecting rods divide to rotate respectively to be connected in the left and right sides wall of balance piece.
In the above-mentioned laser cutting machine longmen truss, two cam connecting pieces are symmetrical distribution with the balancing piece as the center, the diapire fixedly connected with balancing seat of diaphragm, and balancing piece sliding connection is about in the inside of balancing seat, two the cam connecting piece is all rotated and is connected in the middle part left and right sides wall of falling U type frame.
Compared with the prior art, the vibration damping device has the advantages that 1, vibration damping is achieved when the laser cutting machine works through the matching of the guide rail mechanism and the spring rod group, stability of the laser cutting machine is improved when the laser cutting machine works, vibration generated by the truss main body is transmitted to the bottom spring through the V-shaped damping piece and is damped through spring force, the truss main body, the first sliding piece, the spring rod group, the first sliding piece, the second sliding piece and the spring rod group are always kept in triangular structures, stability of the structures is improved, and vibration of the laser cutting machine during cutting work is further reduced.
2. When the first sliding part moves back and forth and the second sliding part moves up and down to the end position of the track, the end part of the pushing column is extruded, the force leakage and buffering are carried out through springs in multiple directions, the inertial impact force when the laser cutting machine moves to the end position of the track is reduced, and the service life of the truss main body and the first upper track of the sliding part is prolonged while the vibration is reduced.
3. Through the cooperation of guide rail mechanism and dustproof balance mechanism, can improve the holistic stability of structure when carrying out abundant dust absorption operation, when the driving piece moved to paste with the drive lug, the frame type spare of drive lug drive driving piece stirred flexible dust absorption head dust absorption scope and takes place the small amplitude deflection to more abundant clean the slide rail inside, prevent dust and cutting piece jam slide rail influence gliding smoothness, through the regulation of stable balance mechanism, in order to improve the stability of truss main part overall structure when slider a drive laser cutting machine back and forth movement.
Drawings
The following describes the specific embodiments of the present invention in further detail with reference to the accompanying drawings, wherein fig. 1 is a schematic structural diagram of an overall gantry truss of a laser cutting machine according to the present invention.
Fig. 2 is a schematic view of a part of a gantry truss of a laser cutting machine according to the present invention.
Fig. 3 is a schematic structural view of a damping positioning mechanism of a gantry truss of a laser cutting machine.
Fig. 4 is a schematic cross-sectional structure of a rail mechanism of a gantry truss of a laser cutting machine according to the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of a guide rail mechanism and a damping and positioning mechanism of a gantry truss of a laser cutting machine.
Fig. 6 is a schematic structural diagram of a gantry truss mechanism of a gantry truss of a laser cutting machine according to the present invention.
Fig. 7 is a schematic structural diagram of a spring rod set of a gantry truss of a laser cutting machine according to the present invention.
Fig. 8 is a schematic structural view of a buffering and damping mechanism of a gantry truss of a laser cutting machine according to the present invention.
Fig. 9 is a schematic view of a part of a dustproof balancing mechanism of a gantry truss of a laser cutting machine according to the present invention.
Fig. 10 is a schematic structural diagram of another part of a dustproof balancing mechanism of a gantry truss of a laser cutting machine according to the present invention.
Fig. 11 is a schematic view of a part of a dust collection assembly of a gantry truss of a laser cutting machine according to the present invention.
Fig. 12 is a schematic structural diagram of a stable balancing mechanism of a gantry truss of a laser cutting machine according to the present invention.
In the figure, a U-shaped base, a 2, a guide rail mechanism, a 21, a slide rail, a 22, a V-shaped shock absorption sheet, a 23, an adjusting port, a 3, a shock absorption positioning mechanism, a 31, a supporting slide seat, a 32, a bidirectional hydraulic rod, a 33, a positioning block, a 34, an adjusting block, a 4, a gantry truss mechanism, a 41, a truss main body, a 42, a transverse plate, a 43, an inverted U-shaped frame, a 44, a positioning groove, a 5, a first sliding part, a 6, a second sliding part, a 7, a spring rod group, an 8, a buffer shock absorption mechanism, an 81, an adjusting groove, an 82, a pushing column, an 83, a rectangular shock absorption part, an 84, a V-shaped adjusting track, an 85, a T-shaped buffer frame, a 9, a dust-proof balancing mechanism, a 91, a dust collection box, a 92, a dust collection assembly, 921, a dust collection pipeline, 922, an arc-shaped fixing part, 923, a dust collection head, 924, a driving part, a 925, a driving bump, a 93, a stable balancing mechanism, a spring rod, a first spring rod, a 932, a 933, a cam connector, 934, a connecting rod, a balancing piece 936, a balancing seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, a gantry truss of a laser cutting machine comprises a U-shaped base 1 and a shock absorption positioning mechanism 3, wherein two guide rail mechanisms 2 and two shock absorption positioning mechanisms 3 which are distributed front and back are arranged on the top wall of the U-shaped base 1, the guide rail mechanisms 2 comprise sliding rails 21, the top wall of the U-shaped base 1 is fixedly connected with the sliding rails 21, gantry truss mechanisms 4 are arranged on the sliding rails 21 together, a first sliding part 5 is connected on the gantry truss mechanisms 4 in a front-back sliding manner, a second sliding part 6 is connected on a rail arranged on the right side wall of the first sliding part 5 in a top-bottom sliding manner, spring rod groups 7 are arranged on the first sliding part 5 and the second sliding part 6, buffering shock absorption mechanisms 8 are symmetrically arranged on the first sliding part 5 in a top-bottom symmetry manner, and a dust-proof balancing mechanism 9 is arranged on the gantry truss mechanisms 4.
The laser cutting machine is arranged on a sliding part II 6, the U-shaped base 1 provides support for a guide rail mechanism 2 and a damping positioning mechanism 3, the guide rail mechanism 2 provides support for a gantry truss mechanism 4, the gantry truss mechanism 4 moves left and right on the guide rail mechanism 2, a sliding part I5 moves back and forth on the gantry truss mechanism 4, the sliding part II 6 moves up and down on the sliding part I5, the laser cutting machine is driven to move to a proper position through movement in three directions, the laser cutting machine is convenient to comprehensively move and process, and the damping positioning mechanism 3 is adjusted to lock the gantry truss mechanism 4 and simultaneously elastically damp. The gantry truss mechanism 4, the first sliding part 5 and the second sliding part 6 are all driven by the existing driving source (such as an electric sliding block).
The spring rod group 7 is favorable for keeping the first sliding part 5 and the second sliding part 6 stable during movement and reducing vibration, and can be used for effectively buffering the leakage force in multiple directions when the first sliding part 5 moves back and forth to the end part of the track on the truss main body 41 and the second sliding part 6 moves up and down to the end part of the track on the first sliding part 5, and the dust collection operation is performed while the gantry truss mechanism 4 moves by adjusting the dust prevention balance mechanism 9, so that the stability of the whole structure is improved during the movement of the first sliding part 5.
Referring to fig. 3 to 5, the shock absorbing positioning mechanism 3 includes a supporting slide 31, a front supporting slide 31 and a rear supporting slide 31 are slidably connected to the top wall of the U-shaped base 1, the two supporting slides 31 are symmetrically distributed with the sliding rail 21 as a center, a bidirectional hydraulic rod 32 is installed between one sides of the two supporting slides 31, which are close to each other, a fixed end in the middle of the bidirectional hydraulic rod 32 is fixedly connected with the U-shaped base 1, a plurality of positioning blocks 33 and a plurality of adjusting blocks 34 are uniformly arranged and fixedly connected in the middle of the outer wall of one side of the two supporting slides 31, and the positioning blocks 33 and the adjusting blocks 34 are in one-to-one correspondence up and down.
Referring to fig. 2,4 and 5, a sliding cavity is formed in the sliding rail 21, a V-shaped damping sheet 22 is connected to the inner bottom wall of the sliding cavity of the sliding rail 21 through springs, a plurality of adjusting ports 23 connected with the sliding cavity are uniformly formed in the front side wall and the rear side wall of the sliding rail 21, the adjusting ports 23 are in one-to-one correspondence with the adjusting blocks 34, the top wall of the adjusting block 34 is inclined near the V-shaped damping sheet 22, the inclined top wall of the adjusting block 34 is matched with the bottom wall of the V-shaped damping sheet 22, and the springs connected with the V-shaped damping sheet 22 are distributed in a staggered mode.
Referring to fig. 2, 5 and 6, the gantry truss mechanism 4 comprises a truss main body 41, wherein the truss main body 41 is connected to two sliding rails 21 in a sliding manner, the truss main body 41 is composed of an H-shaped seat and two inverted-mountain-shaped seats fixed on the bottom wall of the H-shaped seat and connected with the sliding rails 21, an inverted U-shaped frame 43 is fixedly connected to the top wall of the H-shaped seat of the truss main body 41, transverse plates 42 are fixedly connected to the inner walls of the front side and the rear side of the inverted U-shaped frame 43, positioning grooves 44 corresponding to the positioning blocks 33 are formed in the front side wall and the rear side wall of the H-shaped seat of the truss main body 41, the sliding cavity of the sliding rails 21 is matched with the inverted-mountain-shaped seat of the truss main body 41, the middle bottom wall of the inverted-mountain-shaped seat of the truss main body 41 is connected by two inclined planes to be in an arrow shape, and the middle bottom wall of the inverted-mountain-shaped seat of the truss main body 41 is matched with the top wall of the V-shaped damping sheet 22.
The reverse mountain-shaped seat of truss main part 41 slides about in the slip intracavity of slide rail 21, drives the laser cutting machine to suitable position and carries out cutting operation, and at the in-process that removes, the roof of V type shock attenuation piece 22 pastes in the arrow-shaped diapire in the middle part of the reverse mountain-shaped seat of truss main part 41, and the vibration that truss main part 41 produced is passed through V type shock attenuation piece 22 and is transmitted to the bottom spring, carries out buffering shock attenuation through the spring, for the friction when reducing the removal, can set up the ball at V type shock attenuation piece 22 roof.
When the truss main body 41 stops moving, the output ends at the front side and the rear side of the bidirectional hydraulic rod 32 drive the supporting slide seat 31 to slide on the top wall of the U-shaped base 1, the supporting slide seat 31 drives the positioning block 33 and the adjusting block 34 to be close to the sliding rail 21, the adjusting block 34 passes through the adjusting opening 23 until the adjusting block is tightly attached to the bottom wall of the V-shaped damping piece 22, the adjusting block 34 continuously moves to push the V-shaped damping piece 22 to move upwards to be tightly attached to the inverted-mountain-shaped seat of the truss main body 41, and meanwhile, the positioning block 33 is clamped into the corresponding positioning groove 44 on the truss main body 41 to lock the position of the truss main body 41, so that the stability of the truss main body 41 during stopping and the operation of the laser cutting machine is increased.
Referring to fig. 7, one spring bar set 7 is hinged to the middle top wall of the H-shaped seat of the truss main body 41 and the left side wall of the first slider 5, and the other spring bar set 7 is hinged to the front and rear side walls of the first slider 5 and the second slider 6.
The top wall of the middle part of the H-shaped seat of the truss main body 41 and the left side wall of the first sliding part 5 are hinged with the spring rod group 7, so that the truss main body 41, the first sliding part 5 and the spring rod group 7 always keep a triangular structure when the first sliding part 5 drives the laser cutting machine to move forwards and backwards, stability of the first sliding part 5 when the first sliding part 5 drives the laser cutting machine to move forwards and backwards is facilitated to be maintained, the spring rod group 7 hinged with the front side wall and the rear side wall of the first sliding part 5 and the second sliding part 6 is enabled to keep a triangular structure when the first sliding part 5, the second sliding part 6 and the spring rod group 7 drive the second sliding part 6 to move upwards and downwards, stability of the second sliding part 6 when the second sliding part 6 drives the laser cutting machine to move upwards and downwards is facilitated to be maintained, and vibration during cutting operation is reduced.
Referring to fig. 7 and 8, the buffering and damping mechanism 8 includes an adjusting groove 81, the adjusting groove 81 is symmetrically arranged in front and back of a track end portion arranged on the right side wall of the H-shaped seat of the truss main body 41, the adjusting groove 81 is symmetrically arranged in top and bottom of a track end portion arranged on the first sliding part 5, a rectangular damping part 83 is connected to the inner wall of the adjusting groove 81 through a spring, a V-shaped adjusting track 84 symmetrically distributed on the rectangular damping part 83 is arranged, a pushing column 82 is fixedly connected to the outer wall of one side, far away from the spring, of the rectangular damping part 83, one end, far away from the rectangular damping part 83, of the pushing column 82 is respectively arranged in the track end portion arranged on the truss main body 41 and the track end portion arranged on the first sliding part 5, and a T-shaped buffering frame 85 connected with the inner wall of the adjusting groove 81 through the spring is slid on the V-shaped adjusting track 84.
When the first sliding part 5 moves back and forth and the second sliding part 6 moves up and down to the end position of the track, the end part of the pushing column 82 is extruded, the pushing column 82 drives the rectangular shock absorbing part 83 to move, the spring compression of the rectangular shock absorbing part 83 is connected, meanwhile, the T-shaped buffer frame 85 slides on the V-shaped adjusting track 84 along with the spring compression of the T-shaped buffer frame 85, the spring rebound drives the T-shaped buffer frame 85 and the rectangular shock absorbing part 83 to reset, the force leakage and the buffering are carried out through springs in multiple directions, the impact force of the end position of the track when the laser cutting machine moves is reduced, vibration is further reduced, and the cutting precision is improved, and the service life of the track on the truss main body 41 and the first sliding part 5 is prolonged.
Referring to fig. 1, 9, 10 and 11, the dust balance mechanism 9 comprises a dust collecting box 91, the dust collecting box 91 is connected to a rail arranged on the left side wall of an H-shaped seat of the truss main body 41 in a front-back sliding manner, a dust collecting assembly 92 is arranged on the dust collecting box 91, the dust collecting assembly 92 comprises a dust collecting pipeline 921, a dust collecting pipeline 921 is connected to an inlet and outlet of the dust collecting box 91, four dust collecting heads 923 distributed on the side wall of an inverted mountain-shaped seat of the truss main body 41 in a left-right manner are connected to end portions of the dust collecting pipeline 921, arc-shaped fixing pieces 922 fixed to the side wall of the H-shaped seat of the truss main body 41 are sleeved on the outer walls of the dust collecting pipeline 921, a plurality of driving lugs 925 are fixedly connected to the front-back inner walls of the sliding rail 21 in a left-right staggered manner, driving pieces 924 are connected to the middle portion of the inverted mountain-shaped seat of the truss main body 41 in a rotating manner through torsion spring rods, and each driving piece 924 is composed of a frame piece sleeved outside the dust collecting heads 923 and two openings connected to the outer walls of the frame piece are towards the V-shaped piece of the truss main body 41, and the V-shaped piece of the driving pieces 924 are matched with the driving lugs 925.
Referring to fig. 9, 10 and 12, a stabilizing balance mechanism 93 is provided on the dust collecting box 91, a first spring bar 931 is hinged to a top wall of the dust collecting box 91, a second spring bar 932 is hinged to a top wall of the first slider 5, the top walls of the first spring bar 931 and the second spring bar 932 are fixedly connected to one end of a cam connecting member 933, the other end of the cam connecting member 933 is rotatably connected to one end of a connecting rod 934, the other ends of the two connecting rods 934 are rotatably connected to left and right side walls of the balancing member 935, the two cam connecting members 933 are symmetrically distributed around the balancing member 935, a balancing seat 936 is fixedly connected to a bottom wall of the transverse plate 42, the balancing member 935 is vertically slidably connected to the inside of the balancing seat 936, and the two cam connecting members 933 are rotatably connected to left and right side walls of the middle of the inverted U-shaped frame 43.
The dust collection device arranged inside the dust collection box 91 is existing equipment, excessive description is not carried out here, dust and cutting scraps near the opening of the dust collection head 923 are sucked into the dust collection pipeline 921 to be collected intensively, the dust collection pipeline 921 is a telescopic flexible pipeline, the dust collection head 923 is of a flexible horn-shaped structure, when the truss main body 41 and the laser cutting machine carry out moving operation, the dust collection head 923 is driven to carry out dust collection operation, the driving piece 924 moves along with the dust collection device, when the driving piece 924 moves to be attached to the driving piece 925, the driving piece 925 drives the V-shaped piece of the driving piece 924 to rotate and incline, the frame-shaped piece of the driving piece 924 sleeved outside the dust collection head 923 generates small-amplitude position offset, and then the dust collection range of the flexible dust collection head 923 is driven to generate small-amplitude deflection, so that the inside of the sliding rail 21 is cleaned more fully, and the sliding smoothness of the sliding rail 21 is prevented from being influenced by the dust and cutting scraps. The dust collecting box 91 is provided with a discharge port (not shown) through which impurities collected therein can be cleaned periodically.
When the first slider 5 drives the laser cutting machine to move back and forth to perform cutting operation, the second spring rod 932 stretches and rotates around the top wall of the first slider 5, the second spring rod 932 pulls one end of the corresponding cam connecting piece 933 to rotate, the cam connecting piece 933 drives one end of the corresponding connecting rod 934 at the other end to rotate, the connecting rod 934 drives the balancing piece 935 to move up and down, the balancing piece 935 drives the connecting rod 934 and the cam connecting piece 933 at the other side of the dust collecting box 91 to move reversely to rotate, the first spring rod 931 stretches adaptively and rotates around the top wall of the dust collecting box 91, and the dust collecting box 91 is pushed to move back and forth along with the rotation.
Through the regulation of stable balance mechanism 93, dust collection box 91 and slider one 5 remain opposite direction removal throughout, and dust collection box 91 and slider one 5 set up respectively in the left and right sides of truss main part 41, and when slider one 5 drove the laser cutting machine and reciprocates and carry out the cutting operation, dust collection box 91 moves to the opposite direction and keeps truss main part 41 overall structure's stability.
Referring to fig. 1-12, the specific operation steps of the gantry truss of the laser cutting machine are as follows, the inverted mountain-shaped seat of the truss main body 41 slides left and right in the sliding cavity of the sliding rail 21, the first sliding part 5 moves back and forth on the gantry truss mechanism 4, and the second sliding part 6 moves up and down on the first sliding part 5 to drive the laser cutting machine to move to a proper position, so that the laser cutting machine can conveniently cut.
In the moving process, the V-shaped damping piece 22 performs buffering and damping through spring force, the adjusting block 34 and the V-shaped damping piece 22 are matched to increase the stability of the truss main body 41 when the laser cutting machine stops and the laser cutting machine works, the positioning block 33 locks the position of the truss main body 41, the first sliding piece 5, the spring rod group 7, the first sliding piece 5, the second sliding piece 6 and the spring rod group 7 always keep triangular structures, the stability is further improved, and when the first sliding piece 5 moves back and forth and the second sliding piece 6 moves up and down to the track end position, the end part of the pushing column 82 is extruded, and the buffering and damping mechanism 8 performs force release and buffering through springs in multiple directions.
In the process of moving left and right, the dust collection head 923 performs dust collection operation, the driving piece 924 and the driving projection 925 are matched to stir the flexible dust collection head 923 to deflect a dust collection range to a small extent, the interior of the sliding rail 21 is fully cleaned, and when the first sliding piece 5 moves, the stable balance mechanism 93 adjusts the dust collection box 91 to move reversely, so that the overall structure of the truss main body 41 and the stability of the laser cutting machine during operation are maintained, and further the cutting precision is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (6)

1.一种激光切割机龙门桁架，包括U型底座（1）和减震定位机构（3），其特征在于，所述U型底座（1）的顶壁设置有前后分布的两个导轨机构（2）和两个减震定位机构（3），所述导轨机构（2）包括滑轨（21），且U型底座（1）的顶壁固定连接有滑轨（21）；1. A gantry truss for a laser cutting machine, comprising a U-shaped base (1) and a shock-absorbing positioning mechanism (3), characterized in that the top wall of the U-shaped base (1) is provided with two guide rail mechanisms (2) and two shock-absorbing positioning mechanisms (3) distributed front and rear, the guide rail mechanism (2) comprising a slide rail (21), and the top wall of the U-shaped base (1) is fixedly connected with the slide rail (21); 所述减震定位机构（3）包括前后两个支撑滑座（31），且U型底座（1）的顶壁前后滑动连接有支撑滑座（31），两个所述支撑滑座（31）以滑轨（21）为中心对称分布，两个所述支撑滑座（31）相靠近的一侧之间安装有双向液压杆（32），且双向液压杆（32）中部固定端与U型底座（1）固定连接，两个所述支撑滑座（31）相靠近的一侧外壁中部均匀排列固定连接多个定位块（33）和多个调节块（34），且定位块（33）和调节块（34）上下一一对应；The shock-absorbing positioning mechanism (3) comprises two front and rear support slides (31), and the top wall of the U-shaped base (1) is slidably connected to the support slide (31) in a front-rear manner, the two support slides (31) are symmetrically distributed with the slide rail (21) as the center, a bidirectional hydraulic rod (32) is installed between the two sides of the two support slides (31) that are close to each other, and the middle fixed end of the bidirectional hydraulic rod (32) is fixedly connected to the U-shaped base (1), and a plurality of positioning blocks (33) and a plurality of adjustment blocks (34) are evenly arranged and fixedly connected in the middle of the outer wall of the side of the two support slides (31) that are close to each other, and the positioning blocks (33) and the adjustment blocks (34) correspond one to another in the upper and lower directions; 所述滑轨（21）上共同设置有龙门桁架机构（4），所述龙门桁架机构（4）上前后滑动连接有滑动件一（5），且滑动件一（5）的右侧壁开设的轨道上上下滑动连接有滑动件二（6），所述滑动件一（5）和滑动件二（6）上均设置有弹簧杆组（7），且龙门桁架机构（4）上前后对称、滑动件一（5）上上下对称设置有缓冲减震机构（8），所述龙门桁架机构（4）上设置有防尘平衡机构（9）；The slide rail (21) is provided with a gantry truss mechanism (4), a sliding member 1 (5) is slidably connected to the gantry truss mechanism (4) in a forward and backward manner, and a sliding member 2 (6) is slidably connected to the track provided on the right side wall of the sliding member 1 (5) in a forward and backward manner, a spring rod group (7) is provided on both the sliding member 1 (5) and the sliding member 2 (6), and a buffer shock absorbing mechanism (8) is symmetrically provided on the gantry truss mechanism (4) in a forward and backward manner and symmetrically provided on the sliding member 1 (5) in a forward and backward manner, and a dustproof balancing mechanism (9) is provided on the gantry truss mechanism (4); 所述滑轨（21）的内部开设有滑动腔，且滑轨（21）滑动腔内底壁通过弹簧连接有V型减震片（22），所述滑轨（21）的前后侧壁均匀开设有多个与滑动腔连接的调节口（23），且调节口（23）与调节块（34）一一对应，所述调节块（34）的顶壁靠近V型减震片（22）处呈倾斜状，且调节块（34）的倾斜状顶壁与V型减震片（22）的底壁相适配，所述调节块（34）与V型减震片（22）连接的弹簧交错分布；A sliding cavity is provided inside the slide rail (21), and a V-shaped shock absorbing plate (22) is connected to the bottom wall of the sliding cavity of the slide rail (21) via a spring. A plurality of adjustment openings (23) connected to the sliding cavity are evenly provided on the front and rear side walls of the slide rail (21), and the adjustment openings (23) correspond to the adjustment blocks (34) one by one. The top wall of the adjustment block (34) is inclined near the V-shaped shock absorbing plate (22), and the inclined top wall of the adjustment block (34) is adapted to the bottom wall of the V-shaped shock absorbing plate (22). The springs connecting the adjustment block (34) and the V-shaped shock absorbing plate (22) are arranged in a staggered manner. 所述龙门桁架机构（4）包括桁架主体（41），两个所述滑轨（21）上共同滑动连接有桁架主体（41），且桁架主体（41）由H型座和H型座底壁固定的与滑轨（21）连接的倒“山”字型座组成，所述桁架主体（41）的H型座顶壁固定连接有倒U型架（43），且倒U型架（43）的前后侧内壁固定连接有横板（42），所述桁架主体（41）的H型座的前后侧壁均开设有与定位块（33）对应的定位槽（44）；The gantry truss mechanism (4) comprises a truss body (41), the two slide rails (21) are slidably connected to the truss body (41), and the truss body (41) is composed of an H-shaped seat and an inverted "mountain"-shaped seat connected to the slide rail (21) and fixed to the bottom wall of the H-shaped seat, the top wall of the H-shaped seat of the truss body (41) is fixedly connected to an inverted U-shaped frame (43), and the front and rear inner walls of the inverted U-shaped frame (43) are fixedly connected to a transverse plate (42), and the front and rear side walls of the H-shaped seat of the truss body (41) are both provided with positioning grooves (44) corresponding to the positioning blocks (33); 所述防尘平衡机构（9）包括灰尘收集盒（91），且桁架主体（41）的H型座左侧壁开设的轨道上前后滑动连接有灰尘收集盒（91），所述灰尘收集盒（91）上设置有吸尘组件（92），且吸尘组件（92）包括吸尘管道（921），所述灰尘收集盒（91）上的出入口连接有吸尘管道（921），且吸尘管道（921）的端部连接有左右分布于桁架主体（41）的倒“山”字型座侧壁的四个吸尘头（923），所述吸尘管道（921）的外壁套接有固定于桁架主体（41）的H型座侧壁的弧形固定件（922）；The dust-proof balancing mechanism (9) comprises a dust collection box (91), and the dust collection box (91) is connected to a track provided on the left side wall of the H-shaped seat of the truss body (41) in a forward and backward sliding manner; the dust collection box (91) is provided with a dust suction assembly (92), and the dust suction assembly (92) comprises a dust suction pipe (921); the inlet and outlet of the dust collection box (91) are connected to the dust suction pipe (921), and the end of the dust suction pipe (921) is connected to four dust suction heads (923) distributed on the left and right sides of the inverted “mountain” shaped seat side wall of the truss body (41); the outer wall of the dust suction pipe (921) is sleeved with an arc-shaped fixing piece (922) fixed to the H-shaped seat side wall of the truss body (41); 所述灰尘收集盒（91）上设置有稳定平衡机构（93），灰尘收集盒（91）的顶壁铰接有弹簧杆一（931），所述滑动件一（5）的顶壁铰接有弹簧杆二（932），且弹簧杆一（931）和弹簧杆二（932）的顶壁均固定连接于凸轮连接件（933）的一端，所述凸轮连接件（933）的另一端转动连接于连接杆（934）的一端，且两个连接杆（934）的另一端分别转动连接于平衡件（935）的左右侧壁。The dust collection box (91) is provided with a stabilizing balancing mechanism (93); a spring rod 1 (931) is hingedly connected to the top wall of the dust collection box (91); a spring rod 2 (932) is hingedly connected to the top wall of the sliding member 1 (5); the top walls of the spring rod 1 (931) and the spring rod 2 (932) are both fixedly connected to one end of a cam connecting member (933); the other end of the cam connecting member (933) is rotatably connected to one end of a connecting rod (934); and the other ends of the two connecting rods (934) are rotatably connected to the left and right side walls of the balancing member (935), respectively. 2.根据权利要求1所述的一种激光切割机龙门桁架，其特征在于，所述滑轨（21）的滑动腔与桁架主体（41）的倒“山”字型座相适配，所述桁架主体（41）的倒“山”字型座的中部底壁由两个倾斜面连接呈箭头状，且桁架主体（41）的倒“山”字型座的中部底壁与V型减震片（22）的顶壁相适配，一个所述弹簧杆组（7）铰接于桁架主体（41）H型座中部顶壁和滑动件一（5）的左侧壁，另一个所述弹簧杆组（7）铰接于滑动件一（5）和滑动件二（6）的前后侧壁。2. A gantry truss for a laser cutting machine according to claim 1, characterized in that the sliding cavity of the slide rail (21) is adapted to the inverted "mountain" shaped seat of the truss body (41), the middle bottom wall of the inverted "mountain" shaped seat of the truss body (41) is connected by two inclined surfaces in an arrow shape, and the middle bottom wall of the inverted "mountain" shaped seat of the truss body (41) is adapted to the top wall of the V-shaped shock-absorbing plate (22), one of the spring rod groups (7) is hinged to the middle top wall of the H-shaped seat of the truss body (41) and the left side wall of the sliding member 1 (5), and the other spring rod group (7) is hinged to the front and rear side walls of the sliding member 1 (5) and the sliding member 2 (6). 3.根据权利要求1所述的一种激光切割机龙门桁架，其特征在于，所述缓冲减震机构（8）包括调节槽（81），且桁架主体（41）的H型座右侧壁开设的轨道端部前后对称开设有调节槽（81）、滑动件一（5）开设的轨道端部上下对称开设有调节槽（81），所述调节槽（81）的内壁通过弹簧连接有矩形减震件（83），且矩形减震件（83）上开设有对称分布的V型调节轨道（84）。3. A gantry truss for a laser cutting machine according to claim 1, characterized in that the buffer shock absorbing mechanism (8) comprises an adjustment groove (81), and the track end portion opened on the right side wall of the H-shaped seat of the truss body (41) is symmetrically provided with the adjustment groove (81) in the front and rear directions, and the track end portion opened on the sliding member (5) is symmetrically provided with the adjustment groove (81) in the upper and lower directions, the inner wall of the adjustment groove (81) is connected with a rectangular shock absorbing member (83) through a spring, and the rectangular shock absorbing member (83) is provided with symmetrically distributed V-shaped adjustment tracks (84). 4.根据权利要求3所述的一种激光切割机龙门桁架，其特征在于，所述矩形减震件（83）远离弹簧的一侧外壁固定连接有推动柱（82），且推动柱（82）远离矩形减震件（83）的一端分别设置于桁架主体（41）开设的轨道端部、滑动件一（5）开设的轨道端部内，所述V型调节轨道（84）上滑动有与调节槽（81）内壁通过弹簧连接的T型缓冲架（85）。4. A gantry truss for a laser cutting machine according to claim 3, characterized in that a push column (82) is fixedly connected to an outer wall of a side of the rectangular shock absorbing member (83) away from the spring, and an end of the push column (82) away from the rectangular shock absorbing member (83) is respectively arranged in a track end portion opened by the truss body (41) and a track end portion opened by the sliding member (5), and a T-shaped buffer frame (85) connected to the inner wall of the adjustment groove (81) through a spring is slidably arranged on the V-shaped adjustment track (84). 5.根据权利要求1所述的一种激光切割机龙门桁架，其特征在于，所述滑轨（21）的前后内壁左右交错固定连接有多个驱动凸块（925），所述桁架主体（41）的倒“山”字型座中部前后侧壁通过扭簧杆转动连接有驱动件（924），且驱动件（924）由套接在吸尘头（923）外部的框型件和框型件外壁连接的两个开口朝向桁架主体（41）的V型件组成，所述驱动件（924）的V型件与驱动凸块（925）相适配。5. A gantry truss for a laser cutting machine according to claim 1, characterized in that the front and rear inner walls of the slide rail (21) are staggered and fixedly connected with a plurality of driving protrusions (925) on the left and right sides, and the front and rear side walls of the middle part of the inverted "mountain" shaped seat of the truss body (41) are rotatably connected with a driving member (924) through a torsion spring rod, and the driving member (924) is composed of a frame-shaped member sleeved on the outside of the dust collector head (923) and two V-shaped members connected to the outer wall of the frame-shaped member and opening toward the truss body (41), and the V-shaped member of the driving member (924) is adapted to the driving protrusion (925). 6.根据权利要求1所述的一种激光切割机龙门桁架，其特征在于，两个所述凸轮连接件（933）以平衡件（935）为中心呈对称分布，所述横板（42）的底壁固定连接有平衡座（936），且平衡件（935）上下滑动连接于平衡座（936）的内部，两个所述凸轮连接件（933）均转动连接于倒U型架（43）的中部左右侧壁。6. A gantry truss for a laser cutting machine according to claim 1, characterized in that the two cam connecting members (933) are symmetrically distributed with the balancing member (935) as the center, the bottom wall of the cross plate (42) is fixedly connected with a balancing seat (936), and the balancing member (935) is slidably connected to the inside of the balancing seat (936) up and down, and the two cam connecting members (933) are both rotatably connected to the left and right side walls of the middle part of the inverted U-shaped frame (43).
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