CN108655562A - Accurate tube sheet one cutting machine - Google Patents

Abstract

The present invention discloses a kind of accurate tube sheet one cutting machine,Including pedestal,It is relatively arranged on the side rails of pedestal both side surface,Front support mechanism,Rear end rotating mechanism and cutting mechanism,The cutting mechanism is movably installed in base upper surface,The rear end rotating mechanism is installed on one side surface of pedestal by guide rail and can be moved forward and backward along guide rail,It is installed on pedestal one end,Another in 2 pinion gear driving mechanisms passes through big disk and is engaged with the rack of upper and lower guide ring,One right guide rod is sequentially embedded sliding block,The center through hole of slide,The guide groove of big disk,The right guide groove of left and right guide ring and the right recessing groove of upper and lower guide ring,The small spacer both sides of the face are contacted with first bearing and the respective inner ring of second bearing,4 clamp clips of the outer locking nut and locking bearing gland are close to by screw clamp to be connect,To realize to pinion shaft clamping and positioning.The laser cutting head of the present invention has focusing function, when cutting the workpiece of unlike material thickness, it is only necessary to which parameter setting can be adjusted focal position, without manually adjusting.

Description

Accurate tube sheet one cutting machine

Technical field

The present invention relates to a kind of accurate tube sheet one cutting machines, belong to laser cutting technique field.

Background technology

Laser cutting is used widely in various industrial circles as a kind of processing method rapidly and efficiently.Swash Light cutting machine is a kind of equipment carrying out cutting processing with laser beam, includes mainly laser generator, beam expanding lens, focus lamp, work Make platform, level clamp or rolling clamp and other associated control elements, wherein rolling clamp is used for clamping tubing to be cut, fixture Rotation drive tubing rotation, laser cutting machine cuts tubing, due to the high-precision characteristic of laser cutting, how to make rotation Turn fixture even running, the accurate cutting of realization degree tubing becomes engineers and needs the emphasis discussed.

Invention content

It is an object of the present invention to provide a kind of accurate tube sheet one cutting machine, the laser cutting head of the cutting machine has focusing work( Can, when cutting the workpiece of unlike material thickness, it is only necessary to which parameter setting can be adjusted focal position, without manually adjusting.

In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of precision tube sheet one cutting machine, including bottom Seat, side rails, front support mechanism, rear end rotating mechanism and the cutting mechanism for being relatively arranged on pedestal both side surface, it is described to cut Cutting mill structure is movably installed in base upper surface, and the rear end rotating mechanism is installed on one side surface of pedestal by guide rail and can edge Guide rail back-and-forth motion, the front support mechanism is arranged in parallel with rear end rotating mechanism, is installed on pedestal one end；

The mounting bracket and laser cutting head that the cutting mechanism further comprises crossbeam, can be slided along crossbeam level, the crossbeam It is across above pedestal and the guide rail by being set to base upper surface both sides is movably connected with the base, the laser cutting head peace Loaded on can slide up and down on mounting bracket and along mounting bracket；

The laser cutting head of the cutting mechanism further comprises laser generator, light path system, optical fiber interface, shell, upper fixed Position ring, connector sleeve, lower locating ring, capacitance sensor and nozzle, the output end of the laser generator are connected to light path system one End, the light path system other end are connected to optical fiber interface, and the front end of the shell is equipped with preceding port, and the end of shell is provided with an inclined-plane Mounting plate, the lower end for being located at shell end are equipped with lower port；

The optical fiber interface is installed to the preceding port of shell, pacifies successively from top to bottom on the inclined-plane mounting plate of housing cavity end Equipped with variable curvature convex reflecting mirror, curvature mirrors, front end in housing cavity and it is equipped with one below preceding port Variable curvature concave mirror；

The upper locating ring, lower locating ring are respectively installed to the upper end of connector sleeve, on lower end, the lower port of the connector sleeve and shell Between connected by upper locating ring, connected by lower locating ring between the connector sleeve and a nozzle cage, a nozzle is installed on spray The lower end of muzzle, the capacitance sensor are installed in nozzle cage, and a focusing convex lens and protection plane mirror are respectively arranged in company At the upper and lower end of female connector；

The front support mechanism further comprises motor, support base, big synchronous pulley, small synchronous pulley and turntable, the electricity Machine and small synchronous pulley are respectively arranged in both sides below support base, and the output shaft of this motor passes through support base and small synchronous pulley is solid The main shaft of fixed connection, the turntable is embedded in the mounting hole of support base, passes through axis between this main shaft and support base inner wall of the hole installing Contact connectio is held, the big synchronous pulley is fixed on the main shaft end face of turntable, and one synchronizes band connection small synchronous pulley and Datong District Walk belt wheel；

The turntable of the front support mechanism further comprise left and right guide ring, upper and lower guide ring, big disk, guide ring baffle and There is the main shaft, the big disk front end face circumferentially to set at equal intervals for 2 pinion gear driving mechanisms, the big disk rear end face It sets there are four slide, is both provided with movable sliding block on this slide, a rolling wheel support is fixed on sliding block, this rolling wheel support leans on One end of nearly great circle disk center is equipped with an idler wheel, and the left and right guide ring, upper and lower guide ring and guide ring baffle are set with successively In the upper of big disk, the left and right guide ring, the respective edge of upper and lower guide ring all have a rack, the small tooth of 2 tape spools One passes through big disk and is engaged with the rack of left and right guide ring in wheel, another in 2 pinion gear driving mechanisms passes through Big disk is simultaneously engaged with the rack of upper and lower guide ring；

The big disk is circumferentially equidistantly provided with four guide grooves, the upper zone of the left and right guide ring and lower region difference It is provided with recessing groove and lower recessing groove, the left part area and right part area of the left and right guide ring are respectively arranged with left guide groove and the right side Guide groove, the upper zone and lower region of the guide ring up and down are respectively arranged with guide groove and lower guide groove, described to lead up and down It is respectively arranged with left recessing groove and right recessing groove to the left part area of ring and right part area；

One left guide rod is sequentially embedded the left guide groove of sliding block, the center through hole of slide, the guide groove of big disk, left and right guide ring With the left recessing groove of upper and lower guide ring, a right guide rod be sequentially embedded sliding block, the center through hole of slide, big disk guide groove, The right guide groove of left and right guide ring and the right recessing groove of upper and lower guide ring, guide rod is sequentially embedded the center of sliding block, slide on one The upper guide groove of through-hole, the guide groove of big disk, the upper recessing groove of left and right guide ring and upper and lower guide ring, once guide rod is successively It is led under embedded sliding block, the center through hole of slide, the guide groove of big disk, the lower recessing groove of left and right guide ring and upper and lower guide ring To slot；

The pinion gear driving mechanism of the front support mechanism further comprises pinion shaft, bearing block, locks bearing gland, is interior The through-hole wall of locking nut and outer locking nut, the pinion shaft and bearing block passes through first bearing disposed in parallel and Two bearings connect, the small spacer being provided between the first bearing and second bearing in big spacer and embedded big spacer, described Small spacer both sides of the face are contacted with first bearing and the respective inner ring of second bearing, the big spacer both sides of the face and first bearing With the respective outer ring contact of second bearing, the internal locking nut is set on pinion shaft and is contacted with second bearing, described Locking bearing gland is set on pinion shaft and is clamped internal locking nut, and the outer end face of the locking bearing gland has 4 There is externally threaded clamp clip, 4 clamp clips of the outer locking nut and locking bearing gland to be clamped by screw thread for outer surface Connection, to realize to pinion shaft clamping and positioning；

The rear end rotating mechanism further comprises traveling motor, right angle reductor, connecting shaft, turret supports seat and pneumatic clamping Disk, the traveling motor are installed below right angle reductor, and the right angle reductor is installed by bearing and bearing lock nut It passes through the installation through-hole of turret supports seat in the other end of one end of the connecting shaft, the connecting shaft and passes through a flange and air spider Installation connection.

Further improved scheme is as follows in above-mentioned technical proposal：

1. in said program, the number of the respective rack of the left and right guide ring, upper and lower guide ring is 2 and arranged at equal intervals.

2. in said program, being fixedly connected by several screws between locking bearing gland and the bearing block.

3. in said program, the internal diameter size of the nozzle cage is more than the outer diameter of lower locating ring.

4. in said program, a left and right pin is respectively embedded into nozzle cage surrounding, and is contacted with the outer wall of lower locating ring, when When rotating left and right pin, this left and right pin pushes nozzle cage translation.

5. in said program, the light interface and variable curvature convex reflecting mirror and variable curvature concave mirror and become song Rate speculum is located at the first plane and in the second plane immediately below the first plane.

Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：

1. the through-hole wall of precision tube sheet one cutting machine of the invention, pinion shaft and bearing block passes through disposed in parallel the One bearing is connected with second bearing, and the setting of dual bearing structure in bearing block substantially reduces the resistance in pinion shaft rotation process Power improves the precision of pinion shaft rotation, and there are two bearing support points for tool, ensure that the stationarity of rotation；Secondly, first The small spacer being provided between bearing and second bearing in big spacer and embedded big spacer, small spacer both sides of the face and first bearing With the respective inner ring contact of second bearing, big spacer both sides of the face are contacted with first bearing and the respective outer ring of second bearing, interior Locking nut is set on pinion shaft and is contacted with second bearing, and the setting of size spacer is matched with internal locking nut, bearing block It closes, pushes down the inner ring and outer ring of two bearings respectively, ensure the flexible rotating of bearing, to improve the precision of rotation and accurate Property, also, be separated by a distance two bearing support points by spacer, strengthen whole stability.

2. precision tube sheet one cutting machine of the invention, the outer end face of locking bearing gland have 4 outer surfaces with outside 4 clamp clips of the clamp clip of screw thread, outer locking nut and locking bearing gland are close to by screw clamp to be connect, to realize to small Gear shaft clamping and positioning, outer locking nut and clamp clip are equipped with, and after pinion shaft is gone to required position by spanner, are risen To fixed and locking effect, there is a situation where loosening after preventing spanner from withdrawing, to realize entire supporting mechanism to tubing It is accurately positioned；Secondly, it is provided with dust cover between mounting bracket and crossbeam, avoids dust and other impurities to the unfavorable of cutting mechanism It influences, ensures the precision of cutting mechanism, and extend service life.

3. precision tube sheet one cutting machine of the invention, laser cutting head have focusing function, cut unlike material thickness Workpiece when, it is only necessary to parameter setting can be adjusted focal position, without manually adjusting；Secondly, left and right pin is respectively embedded into spray Muzzle surrounding, and contacted with the outer wall of lower locating ring, when rotating left and right pin, this left and right pin pushes nozzle cage translation, Adjustment translation nozzle cage and nozzle is facilitated, in the relative position of horizontal plane, to avoid nozzle cage and nozzle by damage from laser with focus； Again, plank and tubing can be cut simultaneously, cutting cost can be reduced, improve working efficiency.

Description of the drawings

Attached drawing 1 is the accurate tube sheet one cutting machine structure schematic diagram of the present invention；

Attached drawing 2 is the front support mechanism structure schematic diagram of the accurate tube sheet one cutting machine of the present invention；

Attached drawing 3 is the turntable structure schematic diagram of the accurate tube sheet one cutting machine of the present invention；

Attached drawing 4 is the pinion gear driving mechanism structure schematic diagram of the accurate tube sheet one cutting machine of the present invention；

Attached drawing 5 is the rear end rotating mechanism structural schematic diagram of the accurate tube sheet one cutting machine of the present invention；

Attached drawing 6 is the laser cutting head structural schematic diagram of the accurate tube sheet one cutting machine of the present invention.

In the figures above：1, pedestal；2, side rails；3, front support mechanism；31, motor；32, support base；33, big synchronous Belt wheel；34, small synchronous pulley；35, turntable；36, main shaft；37, mounting hole；38, bearing；39, synchronous belt；4, rear end whirler Structure；401, traveling motor；402, right angle reductor；403, connecting shaft；404, turret supports seat；405, air spider；406, axis It holds；407, bearing lock nut；408, flange；5, left and right guide ring；6, upper and lower guide ring；61, rack；62, upper recessing groove； 63, lower recessing groove；64, left guide groove；65, right guide groove；66, upper guide groove；67, lower guide groove；68, left recessing groove；69, right Recessing groove；7, big disk；71, main shaft；72, guide groove；8, guide ring baffle；9, pinion gear driving mechanism；900, clamp clip； 901, pinion shaft；902, bearing block；903, bearing gland is locked；904, internal locking nut；905, outer locking nut；906, One bearing；907, second bearing；908, big spacer；909, small spacer；10, slide；11, sliding block；12, rolling wheel support；13, it rolls Wheel；14, left guide rod；15, right guide rod；16, upper guide rod；17, lower guide rod；21, cutting mechanism；211, crossbeam；212、 Mounting bracket；213, laser cutting head；801, light interface；802, shell；821, preceding port；822, lower port；803, upper locating ring； 804, connector sleeve；805, lower locating ring；806, capacitance sensor；807, nozzle；808, inclined-plane mounting plate；809, variable curvature convex surface Speculum；810, curvature mirrors；811, variable curvature concave mirror；812, nozzle cage；813, sealing ring；814, it focuses convex Lens；815, plane mirror is protected；816, left pin；817, right pin；820, laser generator；821, light path system；214, it leads Rail；23, dust cover；24, drag chain.

Specific implementation mode

With reference to embodiment, the invention will be further described：

Embodiment 1：A kind of precision tube sheet one cutting machine, including pedestal 1, the side rails for being relatively arranged on 1 both side surface of pedestal 2, front support mechanism 3, rear end rotating mechanism 4 and cutting mechanism 21, the cutting mechanism 21 are movably installed in 1 upper table of pedestal Face, the rear end rotating mechanism 4 is installed on 1 one side surface of pedestal by guide rail 2 and can be moved forward and backward along guide rail, before described End supporting mechanism 3 is arranged in parallel with rear end rotating mechanism 4, is installed on 1 one end of pedestal；

The front support mechanism 3 further comprises motor 31, support base 32, big synchronous pulley 33, small synchronous pulley 34 and turns Disk 35, the motor 31 and small synchronous pulley 34 are respectively arranged in 32 lower section both sides of support base, and the output shaft of this motor 31 passes through Simultaneously small synchronous pulley 34 is fixedly connected support base 32, and the main shaft 36 of the turntable 35 is embedded in the mounting hole 37 of support base 32, this It is connected by bearing 38 between 37 inner wall of main shaft 36 and 32 mounting hole of support base, the big synchronous pulley 33 is fixed on turntable On 35 36 end face of main shaft, a synchronous belt 39 connects small synchronous pulley 34 and big synchronous pulley 33；

The turntable 35 of the front support mechanism 3 further comprises left and right guide ring 5, upper and lower guide ring 6, big disk 7, guide ring Baffle 8 and 2 pinion gear driving mechanisms 9,7 rear end face of the big disk have the main shaft 36,7 front end face edge of the big disk Equally circumferentially spaced that movable sliding block 11 is both provided on this slide 10 there are four slide 10, a rolling wheel support 12 is fixed In on sliding block 11, this rolling wheel support 12 is equipped with an idler wheel 13 close to the one end at 7 center of big disk, the left and right guide ring 5, on Lower guide ring 6 and guide ring baffle 8 are set in successively on the 36 of big disk 7, and the left and right guide ring 5, upper and lower guide ring 6 are respective Edge all have a rack 61, in 2 tape spool pinion gears 9 one pass through big disk 7 and with the rack of left and right guide ring 5 61 engage, another in 2 pinion gear driving mechanisms 9 passes through big disk 7 and engaged with the rack of upper and lower guide ring 6 61；

The big disk 7 is circumferentially equidistantly provided with four guide grooves 72, the upper zone and lower region of the left and right guide ring 5 It is respectively arranged with recessing groove 62 and lower recessing groove 63, the left part area and right part area of the left and right guide ring 5 are respectively arranged with a left side Guide groove 64 and right guide groove 65, the upper zone and lower region of the guide ring 6 up and down are respectively arranged with guide groove 66 under Guide groove 67, the left part area and right part area of the guide ring 6 up and down are respectively arranged with left recessing groove 68 and right recessing groove 69；

One left guide rod 14 is sequentially embedded sliding block 11, the center through hole of slide 10, the guide groove 72 of big disk 7, left and right guide ring 5 Left guide groove 64 and upper and lower guide ring 6 left recessing groove 68, a right guide rod 15 is sequentially embedded the center of sliding block 11, slide 10 Through-hole, the guide groove 72 of big disk 7, the right guide groove 65 of left and right guide ring 5 and the right recessing groove 69 of guide ring 6 up and down, on one Guide rod 16 is sequentially embedded the upper resigning of sliding block 11, the center through hole of slide 10, the guide groove 72 of big disk 7, left and right guide ring 5 The upper guide groove 66 of slot 62 and upper and lower guide ring 6, once guide rod 17 be sequentially embedded the center through hole, big of sliding block 11, slide 10 The lower guide groove 67 of the guide groove 72 of disk 7, the lower recessing groove 63 of left and right guide ring 5 and upper and lower guide ring 6；

The pinion gear driving mechanism 9 of the front support mechanism 3 further comprises pinion shaft 901, bearing block 902, lock shaft Pressure cap 903, internal locking nut 904 and outer locking nut 905, the pinion shaft 901 and the through-hole wall of bearing block 902 are logical First bearing 906 and second bearing 907 connection disposed in parallel is crossed, is arranged between the first bearing 906 and second bearing 907 Have a small spacer 909 in big spacer 908 and embedded big spacer 908,909 both sides of the face of small spacer and first bearing 906 and 907 respective inner ring of second bearing contacts, and 908 both sides of the face of big spacer and first bearing 906 and second bearing 907 are respective Outer ring contact, the internal locking nut 904 is set on pinion shaft 901 and contacted with second bearing 907, the lock shaft Pressure cap 903 is set on pinion shaft 901 and is clamped internal locking nut 904, the outer end mask of the locking bearing gland 903 There are 4 outer surfaces that there are externally threaded clamp clip 900,4 clampings of the outer locking nut 905 and locking bearing gland 903 Piece 900 is close to by screw clamp to be connect, to realize to 901 clamping and positioning of pinion shaft；

The rear end rotating mechanism 4 further comprises traveling motor 401, right angle reductor 402, connecting shaft 403, turret supports seat 404 and air spider 405, the traveling motor 401 is installed on 402 lower section of right angle reductor, and the right angle reductor 402 passes through Bearing 406 and bearing lock nut 407 are installed on 403 one end of connecting shaft, and the other end of the connecting shaft 403 passes through turret supports The installation through-hole of seat 404 is simultaneously connected by a flange 408 and the installation of air spider 405；

The cutting mechanism 21 further comprises crossbeam 211, can be along the mounting bracket 212 and laser cutting of the horizontal sliding of crossbeam 211 First 213, the crossbeam 211 is across 1 top of pedestal and the guide rail 214 by being set to 1 upper surface both sides of pedestal is lived with pedestal 1 Dynamic connection, the laser cutting head 213 are installed on mounting bracket 212 and can be slided up and down along mounting bracket 212；

The laser cutting head 213 of the cutting mechanism 21 further comprises laser generator 820, light path system 821, optical fiber interface 801, shell 802, upper locating ring 803, connector sleeve 804, lower locating ring 805, capacitance sensor 806 and nozzle 807, the laser The output end of generator 820 is connected to 821 one end of light path system, and 821 other end of light path system is connected to optical fiber interface 801, institute The front end for stating shell 802 is equipped with preceding port 821, and the end of shell 802 is provided with an inclined-plane mounting plate 808, is located at 802 end of shell Lower end be equipped with lower port 822；

The optical fiber interface 801 is installed to the preceding port 821 of shell 802, is located at the inclined-plane mounting plate 808 of 802 inner cavity end of shell On be sequentially installed with variable curvature convex reflecting mirror 809, curvature mirrors 810 from top to bottom, be located in shell 802 before intracavitary It holds and one variable curvature concave mirror 811 is installed positioned at 821 lower section of preceding port, the light interface 801 and variable curvature convex surface are anti- Mirror 809 is penetrated to be located at the first plane with variable curvature concave mirror 811 and curvature mirrors 810 and be located at the first plane just In second plane of lower section；

The upper locating ring 803, lower locating ring 805 are respectively installed to the upper end of connector sleeve 804, on lower end, the connector sleeve 804 It is connect by upper locating ring 803 between the lower port 822 of shell 802, is passed through between the connector sleeve 804 and a nozzle cage 812 Lower locating ring 805 connects, and a nozzle 807 is installed on the lower end of nozzle cage 812, and the capacitance sensor 806 is installed on nozzle cage In 812, a focusing convex lens 814 and protection plane mirror 815 are respectively arranged at the upper and lower end of connector sleeve 804, the nozzle cage 812 internal diameter size is more than the outer diameter of lower locating ring 805, and a left and right pin 816,817 is respectively embedded into nozzle cage 812 4 Week, and contacted with the outer wall of lower locating ring 805, when rotating left and right pin 816,817, this left and right pin 816,817 pushes Nozzle cage 812 translates.

It is fixedly connected by several screws between above-mentioned locking bearing gland 903 and bearing block 902.

Dust cover 23 is provided between above-mentioned mounting bracket 212 and crossbeam 211.

Embodiment 2：A kind of precision tube sheet one cutting machine, including pedestal 1, the side for being relatively arranged on 1 both side surface of pedestal Guide rail 2, front support mechanism 3, rear end rotating mechanism 4 and cutting mechanism 21, the cutting mechanism 21 are movably installed on pedestal 1 Surface, the rear end rotating mechanism 4 is installed on 1 one side surface of pedestal by guide rail 2 and can be moved forward and backward along guide rail, described Front support mechanism 3 is arranged in parallel with rear end rotating mechanism 4, is installed on 1 one end of pedestal；

The front support mechanism 3 further comprises motor 31, support base 32, big synchronous pulley 33, small synchronous pulley 34 and turns Disk 35, the motor 31 and small synchronous pulley 34 are respectively arranged in 32 lower section both sides of support base, and the output shaft of this motor 31 passes through Simultaneously small synchronous pulley 34 is fixedly connected support base 32, and the main shaft 36 of the turntable 35 is embedded in the mounting hole 37 of support base 32, this It is connected by bearing 38 between 37 inner wall of main shaft 36 and 32 mounting hole of support base, the big synchronous pulley 33 is fixed on turntable On 35 36 end face of main shaft, a synchronous belt 39 connects small synchronous pulley 34 and big synchronous pulley 33；

The turntable 35 of the front support mechanism 3 further comprises left and right guide ring 5, upper and lower guide ring 6, big disk 7, guide ring Baffle 8 and 2 pinion gear driving mechanisms 9,7 rear end face of the big disk have the main shaft 36,7 front end face edge of the big disk Equally circumferentially spaced that movable sliding block 11 is both provided on this slide 10 there are four slide 10, a rolling wheel support 12 is fixed In on sliding block 11, this rolling wheel support 12 is equipped with an idler wheel 13 close to the one end at 7 center of big disk, the left and right guide ring 5, on Lower guide ring 6 and guide ring baffle 8 are set in successively on the 36 of big disk 7, and the left and right guide ring 5, upper and lower guide ring 6 are respective Edge all have a rack 61, in 2 tape spool pinion gears 9 one pass through big disk 7 and with the rack of left and right guide ring 5 61 engage, another in 2 pinion gear driving mechanisms 9 passes through big disk 7 and engaged with the rack of upper and lower guide ring 6 61；

The big disk 7 is circumferentially equidistantly provided with four guide grooves 72, the upper zone and lower region of the left and right guide ring 5 It is respectively arranged with recessing groove 62 and lower recessing groove 63, the left part area and right part area of the left and right guide ring 5 are respectively arranged with a left side Guide groove 64 and right guide groove 65, the upper zone and lower region of the guide ring 6 up and down are respectively arranged with guide groove 66 under Guide groove 67, the left part area and right part area of the guide ring 6 up and down are respectively arranged with left recessing groove 68 and right recessing groove 69；

One left guide rod 14 is sequentially embedded sliding block 11, the center through hole of slide 10, the guide groove 72 of big disk 7, left and right guide ring 5 Left guide groove 64 and upper and lower guide ring 6 left recessing groove 68, a right guide rod 15 is sequentially embedded the center of sliding block 11, slide 10 Through-hole, the guide groove 72 of big disk 7, the right guide groove 65 of left and right guide ring 5 and the right recessing groove 69 of guide ring 6 up and down, on one Guide rod 16 is sequentially embedded the upper resigning of sliding block 11, the center through hole of slide 10, the guide groove 72 of big disk 7, left and right guide ring 5 The upper guide groove 66 of slot 62 and upper and lower guide ring 6, once guide rod 17 be sequentially embedded the center through hole, big of sliding block 11, slide 10 The lower guide groove 67 of the guide groove 72 of disk 7, the lower recessing groove 63 of left and right guide ring 5 and upper and lower guide ring 6；

The pinion gear driving mechanism 9 of the front support mechanism 3 further comprises pinion shaft 901, bearing block 902, lock shaft Pressure cap 903, internal locking nut 904 and outer locking nut 905, the pinion shaft 901 and the through-hole wall of bearing block 902 are logical First bearing 906 and second bearing 907 connection disposed in parallel is crossed, is arranged between the first bearing 906 and second bearing 907 Have a small spacer 909 in big spacer 908 and embedded big spacer 908,909 both sides of the face of small spacer and first bearing 906 and 907 respective inner ring of second bearing contacts, and 908 both sides of the face of big spacer and first bearing 906 and second bearing 907 are respective Outer ring contact, the internal locking nut 904 is set on pinion shaft 901 and contacted with second bearing 907, the lock shaft Pressure cap 903 is set on pinion shaft 901 and is clamped internal locking nut 904, the outer end mask of the locking bearing gland 903 There are 4 outer surfaces that there are externally threaded clamp clip 900,4 clampings of the outer locking nut 905 and locking bearing gland 903 Piece 900 is close to by screw clamp to be connect, to realize to 901 clamping and positioning of pinion shaft；

The rear end rotating mechanism 4 further comprises traveling motor 401, right angle reductor 402, connecting shaft 403, turret supports seat 404 and air spider 405, the traveling motor 401 is installed on 402 lower section of right angle reductor, and the right angle reductor 402 passes through Bearing 406 and bearing lock nut 407 are installed on 403 one end of connecting shaft, and the other end of the connecting shaft 403 passes through turret supports The installation through-hole of seat 404 is simultaneously connected by a flange 408 and the installation of air spider 405；

The cutting mechanism 21 further comprises crossbeam 211, can be along the mounting bracket 212 and laser cutting of the horizontal sliding of crossbeam 211 First 213, the crossbeam 211 is across 1 top of pedestal and the guide rail 214 by being set to 1 upper surface both sides of pedestal is lived with pedestal 1 Dynamic connection, the laser cutting head 213 are installed on mounting bracket 212 and can be slided up and down along mounting bracket 212；

The laser cutting head 213 of the cutting mechanism 21 further comprises laser generator 820, light path system 821, optical fiber interface 801, shell 802, upper locating ring 803, connector sleeve 804, lower locating ring 805, capacitance sensor 806 and nozzle 807, the laser The output end of generator 820 is connected to 821 one end of light path system, and 821 other end of light path system is connected to optical fiber interface 801, institute The front end for stating shell 802 is equipped with preceding port 821, and the end of shell 802 is provided with an inclined-plane mounting plate 808, is located at 802 end of shell Lower end be equipped with lower port 822；

The optical fiber interface 801 is installed to the preceding port 821 of shell 802, is located at the inclined-plane mounting plate 808 of 802 inner cavity end of shell On be sequentially installed with variable curvature convex reflecting mirror 809, curvature mirrors 810 from top to bottom, be located in shell 802 before intracavitary It holds and one variable curvature concave mirror 811 is installed positioned at 821 lower section of preceding port, the light interface 801 and variable curvature convex surface are anti- Mirror 809 is penetrated to be located at the first plane with variable curvature concave mirror 811 and curvature mirrors 810 and be located at the first plane just In second plane of lower section；

The upper locating ring 803, lower locating ring 805 are respectively installed to the upper end of connector sleeve 804, on lower end, the connector sleeve 804 It is connect by upper locating ring 803 between the lower port 822 of shell 802, is passed through between the connector sleeve 804 and a nozzle cage 812 Lower locating ring 805 connects, and a nozzle 807 is installed on the lower end of nozzle cage 812, and the capacitance sensor 806 is installed on nozzle cage In 812, a focusing convex lens 814 and protection plane mirror 815 are respectively arranged at the upper and lower end of connector sleeve 804, the nozzle cage 812 internal diameter size is more than the outer diameter of lower locating ring 805, and a left and right pin 816,817 is respectively embedded into nozzle cage 812 4 Week, and contacted with the outer wall of lower locating ring 805, when rotating left and right pin 816,817, this left and right pin 816,817 pushes Nozzle cage 812 translates.

Above-mentioned left and right guide ring 5,6 respective rack 61 of upper and lower guide ring number be 2 and arranged at equal intervals.

Dust cover 23 is provided between above-mentioned mounting bracket 212 and crossbeam 211.

The drag chain of built-in cable is connected between the upper surface and the upper surface of laser cutting head 213 of above-mentioned mounting bracket 212 24。

When using above-mentioned cutting machine, laser cutting head has focusing function, when cutting the workpiece of unlike material thickness, only Parameter setting is needed to can be adjusted focal position, without manually adjusting；Secondly, left and right pin is respectively embedded into nozzle cage surrounding, and It is contacted with the outer wall of lower locating ring, when rotating left and right pin, this left and right pin pushes nozzle cage translation, and adjustment is facilitated to translate Nozzle cage and nozzle and focus avoid nozzle cage and nozzle by damage from laser in the relative position of horizontal plane；Secondly, pass through bearing The setting of dual bearing structure in seat, substantially reduces the resistance in pinion shaft rotation process, improves the precision of pinion shaft rotation, And there are two bearing support points for tool, ensure that the stationarity of rotation；Again, the setting of size spacer, with internal locking nut, bearing Seat cooperation, pushes down the inner ring and outer ring of two bearings, ensures the flexible rotating of bearing, respectively to improve the precision and standard of rotation True property, also, be separated by a distance two bearing support points by spacer, strengthen whole stability, again, outer locking Nut and clamp clip are equipped with, and after pinion shaft is gone to required position by spanner, are played the role of fixed and are locked, prevent There is a situation where loosening after only spanner is withdrawn, to realize that entire supporting mechanism is accurately positioned tubing.

The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (8)

1. a kind of precision tube sheet one cutting machine, it is characterised in that：Including pedestal（1）, be relatively arranged on pedestal（1）Both side surface Side rails（2）, front support mechanism（3）, rear end rotating mechanism（4）And cutting mechanism（21）, the cutting mechanism（21）It is living It is dynamic to be installed on pedestal（1）Upper surface, the rear end rotating mechanism（4）Pass through guide rail（2）It is installed on pedestal（1）It one side surface simultaneously can To be moved forward and backward along guide rail, the front support mechanism（3）With rear end rotating mechanism（4）It is arranged in parallel, is installed on pedestal（1） One end；

The cutting mechanism（21）Further comprise crossbeam（211）, can be along crossbeam（211）The mounting bracket of level sliding（212）With Laser cutting head（213）, the crossbeam（211）It is across pedestal（1）Top and by being set to pedestal（1）Upper surface both sides Guide rail（214）With pedestal（1）Flexible connection, the laser cutting head（213）It is installed on mounting bracket（212）It above and can be along installation Frame（212）It slides up and down；

The cutting mechanism（21）Laser cutting head（213）Further comprise laser generator（820）, light path system（821）、 Optical fiber interface（801）, shell（802）, upper locating ring（803）, connector sleeve（804）, lower locating ring（805）, capacitance sensor （806）And nozzle（807）, the laser generator（820）Output end be connected to light path system（821）One end, light path system （821）The other end is connected to optical fiber interface（801）, the shell（802）Front end be equipped with preceding port（821）, shell（802）End End is provided with an inclined-plane mounting plate（808）, it is located at shell（802）The lower end of end is equipped with lower port（822）；

The optical fiber interface（801）It is installed to shell（802）Preceding port（821）, it is located at shell（802）Pacify on the inclined-plane of inner cavity end Loading board（808）On be sequentially installed with variable curvature convex reflecting mirror from top to bottom（809）, curvature mirrors（810）, it is located at shell （802）The front end of interior intracavitary and be located at preceding port（821）Lower section is equipped with a variable curvature concave mirror（811）；

The upper locating ring（803）, lower locating ring（805）It is respectively installed to connector sleeve（804）Upper end, on lower end, the company Female connector（804）With shell（802）Lower port（822）Between pass through upper locating ring（803）Connection, the connector sleeve（804）With one Nozzle cage（812）Between pass through lower locating ring（805）Connection, a nozzle（807）It is installed on nozzle cage（812）Lower end, it is described Capacitance sensor（806）It is installed on nozzle cage（812）Interior, one focuses convex lens（814）With protection plane mirror（815）It installs respectively In connector sleeve（804）Upper and lower end at；

The front support mechanism（3）Further comprise motor（31）, support base（32）, big synchronous pulley（33）, small synchronous belt Wheel（34）And turntable（35）, the motor（31）And small synchronous pulley（34）It is respectively arranged in support base（32）Lower section both sides, this Motor（31）Output shaft pass through support base（32）And small synchronous pulley（34）It is fixedly connected, the turntable（35）Main shaft（36） Embedded support base（32）Mounting hole（37）It is interior, this main shaft（36）With support base（32）Mounting hole（37）Pass through bearing between inner wall （38）It connects, the big synchronous pulley（33）It is fixed on turntable（35）Main shaft（36）On end face, a synchronous belt（39）Even Connect small synchronous pulley（34）With big synchronous pulley（33）；

The front support mechanism（3）Turntable（35）Further comprise left and right guide ring（5）, upper and lower guide ring（6）, big disk （7）, guide ring baffle（8）With 2 pinion gear driving mechanisms（9）, the big disk（7）Rear end face has the main shaft（36）, The big disk（7）Front end face is circumferentially equidistantly provided with four slides（10）, this slide（10）On be both provided with it is removable Sliding block（11）, a rolling wheel support（12）It is fixed on sliding block（11）On, this rolling wheel support（12）Close to big disk（7）The one of center End is equipped with an idler wheel（13）, the left and right guide ring（5）, upper and lower guide ring（6）With guide ring baffle（8）It is set in successively big Disk（7）'s（36）On, the left and right guide ring（5）, upper and lower guide ring（6）Respective edge all has a rack（61）, institute State 2 tape spool pinion gears（9）In one pass through big disk（7）And with left and right guide ring（5）Rack（61）Engagement, described 2 Pinion gear driving mechanism（9）In another pass through big disk（7）And with upper and lower guide ring（6）Rack（61）Engagement；

The big disk（7）Circumferentially it is equidistantly provided with four guide grooves（72）, the left and right guide ring（5）Upper zone and Lower region is respectively arranged with recessing groove（62）With lower recessing groove（63）, the left and right guide ring（5）Left part area and right part area It is respectively arranged with left guide groove（64）With right guide groove（65）, the guide ring up and down（6）Upper zone and lower region set respectively It is equipped with guide groove（66）With lower guide groove（67）, the guide ring up and down（6）Left part area and right part area be respectively arranged with a left side Recessing groove（68）With right recessing groove（69）；

One left guide rod（14）It is sequentially embedded sliding block（11）, slide（10）Center through hole, big disk（7）Guide groove（72）、 Left and right guide ring（5）Left guide groove（64）With upper and lower guide ring（6）Left recessing groove（68）, a right guide rod（15）It is embedding successively Enter sliding block（11）, slide（10）Center through hole, big disk（7）Guide groove（72）, left and right guide ring（5）Right guide groove （65）With upper and lower guide ring（6）Right recessing groove（69）, guide rod on one（16）It is sequentially embedded sliding block（11）, slide（10）In Entreat through-hole, big disk（7）Guide groove（72）, left and right guide ring（5）Upper recessing groove（62）With upper and lower guide ring（6）On lead To slot（66）, once guide rod（17）It is sequentially embedded sliding block（11）, slide（10）Center through hole, big disk（7）Guide groove （72）, left and right guide ring（5）Lower recessing groove（63）With upper and lower guide ring（6）Lower guide groove（67）；

The front support mechanism（3）Pinion gear driving mechanism（9）Further comprise pinion shaft（901）, bearing block （902）, locking bearing gland（903）, internal locking nut（904）With outer locking nut（905）, the pinion shaft（901）With Bearing block（902）Through-hole wall pass through first bearing disposed in parallel（906）And second bearing（907）Connection, described first Bearing（906）And second bearing（907）Between be provided with big spacer（908）With the big spacer of insertion（908）Interior small spacer （909）, the small spacer（909）Both sides of the face and first bearing（906）And second bearing（907）Respective inner ring contact, institute State big spacer（908）Both sides of the face and first bearing（906）And second bearing（907）Respective outer ring contact, the internal locking Nut（904）It is set in pinion shaft（901）Upper and and second bearing（907）Contact, the locking bearing gland（903）Suit In pinion shaft（901）It goes up and internal locking nut is clamped（904）, the locking bearing gland（903）Outer end face have 4 it is outer Surface has externally threaded clamp clip（900）, the outer locking nut（905）With locking bearing gland（903）4 clamp clips （900）It is close to and is connect by screw clamp, to realize to pinion shaft（901）Clamping and positioning；

The rear end rotating mechanism（4）Further comprise traveling motor（401）, right angle reductor（402）, connecting shaft（403）, turn Platform support base（404）And air spider（405）, the traveling motor（401）It is installed on right angle reductor（402）Lower section, it is described Right angle reductor（402）Pass through bearing（406）And bearing lock nut（407）It is installed on connecting shaft（403）One end, the connection Axis（403）The other end pass through turret supports seat（404）Installation through-hole and pass through a flange（408）With air spider（405） Installation connection.

2. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The left and right guide ring（5）, up and down Guide ring（6）Respective rack（61）Number be 2 and arranged at equal intervals.

3. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The locking bearing gland（903） With bearing block（902）Between be fixedly connected by several screws.

4. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The light interface（801）And change Curvature convex reflecting mirror（809）With variable curvature concave mirror（811）And curvature mirrors（810）It is located at the first plane In the second plane immediately below the first plane.

5. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The mounting bracket（212）With crossbeam （211）Between be provided with dust cover（23）.

6. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The mounting bracket（212）Upper table Face and laser cutting head（213）Upper surface between be connected with the drag chain of built-in cable（24）.

7. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The nozzle cage（812）Internal diameter Size is more than lower locating ring（805）Outer diameter.

8. precision tube sheet one cutting machine according to claim 1, it is characterised in that：The one left and right pin（816、 817）It is respectively embedded into nozzle cage（812）Surrounding, and with lower locating ring（805）Outer wall contact, when rotating left and right pin（816、 817）When, this left and right pin（816、817）Push nozzle cage（812）Translation.