Laser cutting tube sheet all-in-one
Technical Field
The invention relates to a laser cutting head device, in particular to a laser cutting tube plate all-in-one machine.
Background
At present, optical fiber laser cutting equipment has been more and more used in industrial field because cutting speed is fast, cutting quality is good, efficient, but, current optical fiber laser cutting equipment function is more single, can only accomplish the cutting of panel or tubular product alone, if will cut panel or tubular product, need use different cutting equipment, both increase cost and occupation space to efficiency is also not high yet.
The invention patent 201610417179.X in China discloses a tube-plate dual-purpose laser cutting device, which relates to the field of laser cutting and comprises a frame, wherein a Y-direction guide rail and a Y1-direction guide rail are arranged on the frame, a plate cutting workbench is arranged between the two Y-direction guide rails, the tops of the two Y-direction guide rails are provided with cross beams, the cross beams are provided with X-direction guide rails, the X-direction guide rails are provided with slide seats, the slide seats can slide along the X-direction guide rails, the tops of the slide seats are provided with Z-direction guide rails, the Z-direction guide rails are provided with laser heads, and the laser heads can slide along; and a numerical control turntable and a numerical control center frame are arranged on the outer side of the Y1 to the guide rail, the numerical control turntable and the numerical control center frame are used for clamping the pipe and driving the pipe to rotate, the frame is fixedly connected with the numerical control turntable, and the cross beam is fixedly connected with the numerical control center frame.
However, the numerical control turntable and the numerical control center frame are directly connected to the rack body, so that the rigidity of the rack is affected, the cutting accuracy is affected when the plate is cut, the cutting accuracy is not high when the pipe is cut due to the fact that the pipe sags when the overlong pipe is cut, and the stability is not sufficient due to the fact that the numerical control turntable and the numerical control center frame are fixed in one direction.
Disclosure of Invention
In order to solve the problems, the invention provides a novel tube plate integrated laser cutting head device, which is an integrated machine for cutting a tube plate by laser and comprises a first machine body and a second machine body; the first lathe bed is used for cutting plates, the second lathe bed is used for cutting pipes, and the second lathe bed is arranged close to the first lathe bed; the upper surface of the first lathe bed is rectangular, a cross beam is arranged right above the first lathe bed and is parallel to the width direction of the upper surface of the first lathe bed, the cross beam is a cantilever beam, and the cross beam extends out and covers right above the second lathe bed; the beam is provided with a laser cutting head device which can move on the beam; wherein: the second bed body is L-shaped and comprises a bottom parallel to the ground and a side wall vertical to the ground; a front chuck is arranged at one end of the second lathe bed, a rear chuck is arranged at the other end of the second lathe bed, and the front chuck and the rear chuck can clamp pipes with different diameters; the rear chuck is respectively connected with the bottom and the side wall of the second lathe bed, and the front chuck and the rear chuck can rotate; and at least one supporting device is also arranged at the bottom of the second lathe bed.
Preferably, a first rack and a second rack are respectively arranged on two side edges of the upper surface of the first bed body along the length direction.
Preferably, the first bed body is further provided with two gear driving mechanisms, and the two gear driving mechanisms are respectively arranged on the first rack and the second rack; the gear driving mechanisms are fixedly connected with the cross beam, gears are arranged below the gear driving mechanisms, and the gear driving mechanisms can drive the cross beam to move on the first rack and the second rack, so that plates with different widths and pipes with different lengths can be cut as required.
Preferably, a laser cutting head is arranged on the laser cutting head device, and the laser cutting head can move up and down on the laser cutting head device relative to the laser cutting head device so as to be suitable for cutting plates with different thicknesses and pipes with different diameters.
Preferably, a first rail is arranged on the side wall of the second lathe bed, a second rail is arranged at one end, close to the side wall, of the bottom of the second lathe bed, the first rail and the second rail are arranged to form an angle of 90 degrees, so that the moment borne by the side wall of the second lathe bed is shared, and the loss of the side wall of the second lathe bed is reduced.
Preferably, a third rack is arranged on the side wall of the second bed.
Preferably, a rear chuck driving mechanism is further disposed on the second lathe bed, and the rear chuck driving mechanism is fixedly connected with the rear chuck and can slide on the first rail and the second rail.
Preferably, a gear is arranged on the rear chuck driving mechanism, and the rear chuck driving mechanism can be meshed with the third rack so as to drive the rear chuck to move on the third rack.
Preferably, the height of the supporting device can be adjusted, so that the supporting device can support pipes with different diameters, and when the length of the pipe to be cut is long, the pipe can be supported from the middle part by the supporting device, so that the problem that the cutting precision is not high due to the fact that the pipe is too long and sags is solved.
Preferably, the rear chuck adopts an expansion type chuck, when the pipe diameter needing to be cut is small, the expansion type chuck clamps the outer surface of the pipe, and when the pipe diameter needing to be cut is large, the expansion type chuck extends into an inner hole of the pipe to be cut to clamp the inner surface of the pipe to be cut.
In conclusion, the second lathe bed is arranged to be L-shaped and comprises the side wall and the bottom, and the rear chuck is connected with the side wall and the bottom of the second lathe bed, so that the side tension on the first lathe bed is reduced, and the machining precision of the first lathe bed is ensured; the front chuck and the rear chuck can be adjusted according to different pipe diameters, so that pipes with different diameters can be clamped by the front chuck and the rear chuck, and the laser cutting pipe plate all-in-one machine provided by the invention is not limited to cutting pipes with one diameter and can meet different requirements; the bottom of the second lathe bed is provided with the supporting device, when the diameter of a pipe needing to be cut is long, the pipe can be supported by the supporting device, and the situation that the cutting precision is not high due to the fact that the pipe is sagged is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the laser cutting tube sheet all-in-one machine of the present invention;
FIG. 2 is a block diagram of a laser cutting head assembly;
FIG. 3 is a block diagram of a laser cut tube sheet integrated machine with baffles according to the present invention.
Detailed Description
The structure of the laser cutting tube plate all-in-one machine is shown in figure 1 and comprises a first bed body 1 and a second bed body 2, wherein the first bed body 2 is used for cutting a plate, the second bed body 3 is used for cutting a tube, the second bed body 2 is arranged next to the first bed body 1, and the first bed body 1 and the second bed body 2 are not connected with each other.
The first lathe bed 1 is roughly a cuboid, the upper surface of the first lathe bed 1 is a rectangle, the direction of the long side of the rectangle is the length direction, and the direction of the short side of the rectangle is the width direction. A first rack 3 and a second rack 4 are arranged on the two side edges of the upper surface of the first lathe bed 1 along the length direction, a first gear driving mechanism 6 is arranged on the first rack 3, a second gear driving mechanism 7 is arranged on the second rack 4, gears are arranged on the first gear driving mechanism 6 and the second gear driving mechanism 7 respectively, so that the first gear driving mechanism 6 can be meshed with the first rack 3, the second gear driving mechanism 7 can be meshed with the second rack 4 for transmission, a cross beam 5 is arranged right above the first lathe bed 1, the cross beam 5 is parallel to the width direction of the first lathe bed 1, the cross beam 5 is fixedly connected with the first gear driving mechanism 6 and the second gear driving mechanism 7, so that the first gear driving mechanism 6 and the second gear driving mechanism 7 support the cross beam 5, the first gear driving mechanism 6 and the second gear driving mechanism 7 drive the cross beam 5 to move on the first lathe bed 1 along the length direction, the beam 5 is a cantilever beam, and the extending end of the cantilever beam extends to the upper part of the second lathe bed 2 and covers the right upper part of the second lathe bed 2. A laser cutting head device 8 is further arranged on the beam 5, and the structure of the laser cutting head device 8 is shown in fig. 2. Still be provided with crossbeam slide rail 13 on the crossbeam, still be provided with spout 11 on laser cutting head device 8, spout 11 card is on crossbeam slide rail 13 for laser cutting head device 8 can slide on the crossbeam, when sliding on first lathe bed 1, can cut panel, can cut tubular product when sliding on second lathe bed 2.
As shown in fig. 2, the laser cutting head device includes a laser cutting head device frame 14 and a laser cutting head 10, and the focused high power density laser beam is ejected through the laser cutting head 10 and irradiated on the cut workpiece, so that the irradiated workpiece is melted, vaporized, ablated or reaches a burning point, and simultaneously the melted material is blown off by means of the high-speed air flow also ejected from the laser cutting head 10, thereby realizing cutting of the workpiece. The laser cutting head device frame 14 is further provided with a laser cutting head track 12, the laser cutting head track is arranged on a plane perpendicular to the first lathe bed 1, and the laser cutting head 10 can slide on the laser cutting head track relatively, so that the laser cutting tube plate all-in-one machine provided by the embodiment can cut plates with different thicknesses and tubes with different diameters.
The second bed 2 has a structure as shown in fig. 1, and includes a side wall perpendicular to the ground and a bottom perpendicular to the side wall, a first rail 17 is provided on the side wall of the second bed 2, a second rail 18 is provided on a side of the bottom of the second bed 2 close to the side wall, and a third rack 19 is further provided on the side wall of the second bed 2. A front chuck 15 is arranged at one end of the second lathe bed 2, a rear chuck 16 is arranged at the other end of the second lathe bed, and the positions of the front chuck 15 and the rear chuck 16 can be adjusted according to requirements. A rear chuck driving device 20 is arranged on the second bed 2, the rear chuck driving device 20 is fixedly connected with the rear chuck 16, a rear chuck sliding groove (not shown in the figure) is arranged on the rear chuck driving device 20, the rear chuck sliding groove can be matched with the first rail 17 and the second rail 18, so that the rear chuck driving device 20 can slide on the first rail 17 and the second rail 18, a rear chuck gear (not shown in the figure) is further arranged on the rear chuck driving device, and the rear chuck gear can be meshed with the third rack 19. The rear chucks 16 are connected to the side walls and the bottom of the second bed 2, reducing the moment to which the second bed 2 is subjected, and thus reducing the wear of the side walls of the second bed 2. The front chuck 15 is a common chuck, and mainly has the functions of supporting and clamping a cut pipe, the rear chuck 16 is an expansion chuck, when the pipe diameter needing to be cut is small, the expansion chuck clamps the outer surface of the pipe, and when the pipe diameter needing to be cut is large, the expansion chuck extends into the inner hole of the cut pipe to clamp the inner surface of the cut pipe. Therefore, the laser cutting tube plate all-in-one machine mentioned in the embodiment can cut pipes with different diameters.
Still be provided with strutting arrangement 21 in the bottom of second lathe bed 2, when the length of the tubular product of being cut is longer, for preventing that the flagging cutting precision that leads to of tubular product is not high, set up strutting arrangement 21, when normal work, preceding chuck 15 and back chuck 16 press from both sides the tubular product tightly, whole back chuck 16 drives the direction motion of tubular product chuck 15 forward under the drive of back chuck actuating mechanism 20, preceding chuck 15 rotates with back chuck 16 simultaneously, drive the tubular product and rotate together, cooperation laser cutting head device 8 moves together, become the work piece of wanting with tubular product cutting. After a section is cut, the front chuck 15 is loosened, the supporting device 21 supports the pipe, the rear chuck 16 moves forwards to convey the pipe towards the front chuck 15, and the pipe is continuously cut, the number of the supporting devices 21 is at least one, the supporting devices can lift up and down relative to the bottom of the second lathe bed 2, so that the pipes with different diameters can be supported, and different requirements are met, the supporting device comprises a rack, a roller and a supporting connecting rod, the lower end of the supporting connecting rod is in shaft connection with the rack, the upper end of the supporting connecting rod is provided with a roller seat, the roller is hinged on the roller seat, the middle part of the supporting connecting rod is connected with a driving mechanism, the driving mechanism comprises a servo motor, the servo motor is electrically connected with an external control unit, the servo motor executes the lifting driving task of the pipe, the lifting precision of the pipe is effectively improved, the processing requirements are met, and the servo motor can be a servo driving motor, or a common motor is provided with a PLC variable frequency controller. Preferably, the rotating shaft 32 is arranged in the middle of the supporting connecting rod, the driving mechanism comprises a pressing block and a jacking cylinder, the pressing block is in driving connection with the servo motor, the jacking cylinder comprises a cylinder seat and a piston rod, the cylinder seat is in shaft connection with the rack, the piston rod is hinged with the supporting connecting rod, the pressing block is arranged above the jacking cylinder, and the rotating shaft is abutted against the lower surface of the pressing block. In order to make control more accurate, this scheme has adopted the mode of pushing down the top, promotes the support connecting rod by the jacking cylinder always, then the briquetting pushes down the support connecting rod, because the jacking cylinder is in the jacking state always, so can avoid the back swing of support connecting rod, except after the jacking cylinder of course, can also adopt compression spring to provide thrust, but because compression spring's thrust is the change, the control effect does not have the good of cylinder. Preferably, the lower surface of the pressing block is a wedge-shaped surface, and the pressing block horizontally slides relative to the rack. The horizontal movement of the pressing block is controlled, and then the horizontal movement is converted into the lifting movement of the rotating shaft through the wedge-shaped surface. Through this kind of mode, can be so that control is simpler, of course, the briquetting can also realize reciprocating through servo motor, but horizontal slip makes the structure simpler and control more convenient.
Baffles 22, as shown in fig. 3, may also be provided around the first bed 1 to prevent swarf from splashing during the tube sheet cutting process.