CN219724972U - Profile cutting equipment - Google Patents

Abstract

The utility model relates to the technical field of profile machining, and discloses profile cutting equipment, which comprises a rack extending along the X-axis direction; the machine frame is provided with a laser cutting device, the side wall of the machine frame is provided with a plurality of chucks which are arranged along the X-axis direction, and at least one chuck is movably connected to the machine frame and can move along the X-axis direction; one side of the frame, which is close to the chucks, is provided with a feeding device capable of conveying the section bar along the Y-axis direction, and the feeding device is at least partially positioned below the center line of the chucks, so that the feeding device can convey the section bar below the center line of the chucks when conveying the section bar; the lower side of loading attachment still is equipped with the chassis, is equipped with liftout device on the chassis, and liftout device is used for propping up the section bar to the height that corresponds with the central line of chuck. The beneficial effects are that: the processing position on the profile can be prevented from facing the uncertain direction due to the reasons of rolling of the profile and the like, and the efficiency of cutting the profile is improved, so that the efficiency of producing the profile is improved.

Description

Profile cutting equipment

Technical Field

The utility model relates to the technical field of profile machining, in particular to profile cutting equipment.

Background

The pipe cutting equipment needs to feed and clamp before cutting the section bar. Generally, the feeding machine firstly conveys the profile to the edge of the frame of the pipe clamping mechanism, then places the profile on the frame in a rolling or falling mode, then moves the profile to a position where the axis of the profile coincides with the center line of the chuck by using the positioning device and the jacking device, and finally clamps the profile by using the chuck to cut.

The above-mentioned loading process is carried the frame through the form of rolling off or dropping with the section bar, does not have little influence to the section bar that does not have appointed processing position, but to the section bar that has appointed processing position, especially to the square pipe that has appointed machined surface, with the form of rolling off or dropping be difficult to guarantee that the processing position is towards cutting device when the section bar is carried the frame, probably still need the staff to adjust for the efficiency of section bar cutting reduces, thereby has influenced the production efficiency of section bar.

Disclosure of Invention

The utility model mainly aims to provide profile cutting equipment, and aims to solve the technical problem that in the prior art, the direction of a profile processing position cannot be guaranteed during feeding, so that the profile cutting efficiency is low.

To achieve the above object, the present utility model provides a profile cutting apparatus comprising a frame extending in an X-axis direction; the machine frame is provided with a laser cutting device, the side wall of the machine frame is provided with a plurality of chucks which are arranged along the X-axis direction, and at least one chuck is movably connected to the machine frame and can move along the X-axis direction; one side of the frame, which is close to the chucks, is provided with a feeding device capable of conveying the section bar along the Y-axis direction, and the feeding device is at least partially positioned below the center line of the chucks, so that the feeding device can convey the section bar below the center line of the chucks when conveying the section bar; the lower side of loading attachment still is equipped with the chassis, is equipped with liftout device on the chassis, and liftout device is used for propping up the section bar to the height that corresponds with the central line of chuck.

The beneficial effects of the utility model are as follows: the chuck is arranged on the side wall of the frame, and the position below the chuck is left out, so that at least part of the feeding device can be arranged below the central line of the chuck. The staff puts the section bar on loading attachment to make the processing position on the section bar towards appointed direction. The loading attachment is in the in-process of carrying the section bar, carries the section bar to the corresponding below of chuck's central line, pushes up the section bar to the height that corresponds with the chuck central line through liftout device afterwards, and the last chuck removes and centre gripping section bar, and after the centre gripping, the processing position on the section bar is towards appointed direction. According to the profile cutting equipment, the feeding device directly conveys the profile to the corresponding lower part of the center line of the chuck, the situation that the machining position on the profile faces an uncertain direction due to the fact that the profile rolls and the like can be avoided, the profile cutting efficiency is improved, and the profile production efficiency is improved.

Preferably, the feeding device comprises a feeding frame, the feeding frame is at least partially positioned below the center line of the chuck, the feeding frame extends along the Y-axis direction, a feeding driving device and a feeding motion assembly which are in transmission connection are arranged on the feeding frame, a plurality of placing positions for placing the section bars are arranged on the feeding motion assembly, and during feeding, the feeding driving device drives the feeding motion assembly to drive the section bars on the placing positions to move below the center line of the chuck. The feeding device realizes the transportation of the section bar in the Y-axis direction through the feeding driving device and the feeding motion assembly.

Preferably, the feeding motion assembly comprises a driving gear, a driven gear and a feeding chain, wherein the driving gear is connected to the output end of the feeding driving device, the driven gear is rotationally connected to the feeding frame, and the feeding chain is wound on the driving gear and the driven gear; be equipped with a plurality of stoppers on the material loading chain, a plurality of stoppers are arranged and the interval sets up along the extending direction of material loading chain, place the position and be located between two adjacent stoppers. The limiting block can limit the section bar to roll on the feeding chain or move in the Y-axis direction relative to the feeding chain, so that the section bar feeding process is stabilized.

Preferably, a guide rail is arranged on the side wall of the stand, the guide rail extends along the X-axis direction, a slide block is arranged on the chuck, and the slide block is clamped on the guide rail and can slide along the guide rail; the chuck is also provided with a chuck driving device which is used for driving the chuck to slide along the guide rail. The guide rail and the slider can provide a guiding function for the chuck to move in the X-axis direction.

Preferably, the output end of the chuck driving device is provided with a gear, and the side wall of the rack is provided with a rack extending along the X-axis direction, and the gear is meshed with the rack. The chuck driving device supplies power for the movement of the chuck in the X-axis direction through the gear and the rack.

Preferably, the ejection device comprises an ejection driving device arranged on the underframe, an ejection assembly is arranged at the output end of the ejection driving device, and the ejection driving device can drive the ejection assembly to move along the Z-axis direction. During the liftout, the section bar is arranged in on the liftout subassembly, liftout drive arrangement drive liftout subassembly to drive the section bar and upwards remove.

Preferably, the ejector assembly is further provided with a positioning device, the positioning device comprises a mounting seat, the mounting seat is arranged on the ejector assembly, a first centering piece and a second centering piece which are distributed along the Y-axis direction are arranged on the mounting seat, the first centering piece and the second centering piece are symmetrically arranged about the central line of the chuck, the upper end of the first centering piece and the upper end of the second centering piece are higher than the ejector assembly, a material passing gap is arranged between the first centering piece and the second centering piece, and the material passing gap can accommodate a section bar positioned on the ejector assembly; the positioning device further comprises a linkage assembly, and the first centering piece and the second centering piece are in linkage connection through the linkage assembly; and the mounting seat is also provided with a centering driving device, the output end of the centering driving device is connected with the linkage assembly, and the centering driving device can drive the first centering piece and the second centering piece to synchronously approach or separate from each other through the linkage assembly. After the profile is placed on the ejection assembly, the profile can pass through the material passing gap, and then the centering driving device drives the first centering piece and the second centering piece to synchronously approach each other through the linkage assembly, so that the axis of the profile is aligned with the center line of the chuck.

Preferably, the number of chucks is two, the two chucks comprise a main chuck and an auxiliary chuck, and the laser cutting device is positioned on one side of the main chuck away from the auxiliary chuck.

Preferably, the frame is also provided with a fixed blanking inclined table and a movable blanking inclined table, the main chuck, the auxiliary chuck and the movable blanking inclined table are all in sliding connection with the frame and can move along the X-axis direction, the main chuck, the laser cutting device and the movable blanking inclined table are relatively fixed in the X-axis direction, and the fixed blanking inclined table is positioned on one side of the main chuck far away from the auxiliary chuck. According to the length of section bar cutting, adjustable main chuck, laser cutting device and remove blanking sloping bench position on the X axle, remove blanking sloping bench and fixed blanking sloping bench cooperation and use, be favorable to protecting cutting equipment and the section bar that drops after the cutting.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a cutting apparatus according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at C;

FIG. 4 is a schematic structural diagram of a feeding device according to an embodiment of the present utility model;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6 is a schematic structural view of a material ejection device and a positioning device according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a cutting apparatus according to another embodiment of the present utility model;

FIG. 8 is a partial enlarged view at D in FIG. 7;

fig. 9 is a schematic structural diagram of the ejector device and the positioning device when the ejector driving device is an ejector driving motor in the embodiment of the utility model.

In the accompanying drawings: 1-rack, 11-sidewall, 12-guide rail, 13-rack, 2-chassis, 3-loading device, 31-loading rack, 32-loading drive, 33-driving gear, 34-driven gear, 35-stopper, 351-placement position, 36-loading chain, 37-driving rod, 4-chuck, 41-main chuck, 42-auxiliary chuck, 5-ejector, 51-ejector drive, 511-ejector drive motor, 52-ejector assembly, 521-ejector plate, 522-profile placement plate, 523-screw, 53-first mounting plate, 6-positioning device, 61-mount, 62-first centering piece, 63-second centering piece, 64-linkage assembly, 641-first linkage rod, 642-second linkage rod, 65-passing gap, 66-centering drive, 7-laser cutting device, 8-moving blanking ramp, 9-fixed ramp.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 9, a profile cutting apparatus includes a frame 1 extending in an X-axis direction; the machine frame 1 is provided with a laser cutting device 7, the side wall 11 of the machine frame 1 is provided with a plurality of chucks 4 which are arranged along the X-axis direction, wherein at least one chuck 4 is movably connected to the machine frame 1 and can move along the X-axis direction; one side of the frame 1, which is close to the chucks 4, is provided with a feeding device 3 capable of conveying the section bar along the Y-axis direction, and the feeding device 3 is at least partially positioned below the center line of the chucks 4, so that the feeding device 3 can convey the section bar below the center line of the chucks 4 when conveying the section bar; the downside of loading attachment 3 still is equipped with chassis 2, is equipped with liftout device 5 on the chassis 2, and liftout device 5 is used for propping up the section bar to the height that corresponds with the central line of chuck 4.

The chuck 4 is arranged on the side wall 11 of the frame 1, and the position below the chuck 4 is left free, so that at least part of the feeding device 3 can be arranged below the center line of the chuck 4. The worker places the profile on the loading device 3 and directs the machining position on the profile in the specified direction. The loading attachment 3 is in the in-process of carrying the section bar, carries the section bar to the corresponding below of chuck 4's central line, and then pushes up the section bar to the height that corresponds with chuck 4 central line through liftout device 5, and chuck 4 removes and centre gripping section bar at last, and the processing position on the section bar is towards appointed direction after the centre gripping. According to the profile cutting equipment, the feeding device 3 directly conveys the profile to the position below the center line of the chuck 4, so that the situation that the machining position on the profile faces an uncertain direction due to the fact that the profile rolls and the like can be avoided, the profile cutting efficiency is improved, and the profile production efficiency is improved.

In some specific embodiments, referring to fig. 1, 4 and 5, the feeding device 3 includes a feeding frame 31, at least a portion of the feeding frame 31 is located below a center line of the chuck 4, the feeding frame 31 extends along the Y-axis direction, a feeding driving device 32 and a feeding motion assembly connected in a transmission manner are disposed on the feeding frame 31, a plurality of placement positions 351 for placing the section bar are disposed on the feeding motion assembly, and during feeding, the feeding driving device 32 drives the feeding motion assembly to drive the section bar on the placement positions 351 to move below the center line of the chuck 4. The feeding device 3 realizes the transportation of the profile in the Y-axis direction through the feeding driving device 32 and the feeding motion assembly.

Specifically, one end of the feeding frame 31, which is close to the frame 1, is disposed below the center line of the chuck 4.

In this embodiment, three feeding devices 3 are provided, and the three feeding devices 3 are arranged along the X-axis direction.

In some embodiments, referring to fig. 5, the feeding motion assembly includes a driving gear 33, a driven gear 34, and a feeding chain 36, wherein the driving gear 33 is connected to an output end of the feeding driving device 32, the driven gear 34 is rotatably connected to the feeding frame 31, and the feeding chain 36 is wound around the driving gear 33 and the driven gear 34; a plurality of limiting blocks 35 are arranged on the feeding chain 36, the limiting blocks 35 are distributed along the extending direction of the feeding chain 36 at intervals, and the placement bits 351 are located between two adjacent limiting blocks 35. The stopper 35 can restrict the section bar from rolling on the feeding chain 36 or moving in the Y-axis direction with respect to the feeding chain 36, stabilizing the section bar feeding process.

Specifically, the feeding driving device 32 is a feeding driving motor, the driving gear 33 is coaxially and fixedly arranged on a rotating shaft of the feeding driving motor, the driving gear 33 and the driven gear 34 are arranged along the Y-axis direction, and an axis of the driving gear 33, an axis of the driven gear 34 and an axis of the rotating shaft of the feeding driving motor all extend along the X-axis direction.

A limiting groove is formed between the two limiting blocks 35 for placing the profile.

In this embodiment, a feeding driving motor is provided, and the driving motor drives the driving gears 33 on the three feeding devices 3 to rotate simultaneously through the transmission rod 37.

In other embodiments, multiple V-brackets may be provided on the feed chain 36 to place round profiles.

In other embodiments, if a square tube or other shaped material with a flat surface is conveyed, the shaped material may be directly placed on the placement position 351, and no stopper 35 or the like may be installed on the feeding chain 36.

In some embodiments, referring to fig. 1 and 2, a guide rail 12 is provided on a side wall 11 of the frame 1, the guide rail 12 extends along the X-axis direction, a slider is provided on the chuck 4, and the slider is clamped on the guide rail 12 and can slide along the guide rail 12; the chuck 4 is further provided with a chuck driving device for driving the chuck 4 to slide along the guide rail 12. The guide rail 12 and the slider can provide a guiding function for the chuck 4 to move in the X-axis direction.

Specifically, two guide rails 12 are provided on the side wall 11 of the frame 1, and the two guide rails 12 are arranged along the Z-axis direction. Two sliding blocks are also arranged on each chuck 4, and the two sliding blocks are respectively clamped on the two guide rails 12. The two guide rails 12 are arranged to enable the sliding of the chuck 4 to be more stable, and because the chuck 4 is arranged on the side wall 11, the guide rails 12 also need to bear the gravity of the chuck 4, and the two guide rails 12 are arranged to reduce the burden of each guide rail 12 and prolong the service life.

In some embodiments, the output end of the chuck driving device is provided with a gear, and the side wall 11 of the frame 1 is provided with a rack 13 extending along the X-axis direction, and the gear is meshed with the rack 13. The chuck driving means powers the movement of the chuck 4 in the X-axis direction via the gear and rack 13.

In other embodiments, the chuck driving device may also drive the chuck 4 through a screw motion module, a rack and pinion motion module, or the like.

In other embodiments, other power devices such as cylinders may be used as chuck drives.

In some embodiments, referring to fig. 6, the ejector 5 includes an ejector driving device 51 disposed on the chassis 2, and an ejector assembly 52 is disposed on an output end of the ejector driving device 51, where the ejector driving device 51 can drive the ejector assembly 52 to move along the Z-axis direction. During ejection, the profile is placed on the ejection assembly 52, and the ejection driving device 51 drives the ejection assembly 52 to drive the profile to move upwards.

Specifically, the ejector driving device 51 is an ejector cylinder, a first mounting plate 53 is arranged on the chassis 2, a cylinder body of the ejector cylinder is fixedly arranged on the first mounting plate 53, a piston rod of the ejector cylinder faces to the upper side, and an ejector assembly 52 is arranged on the piston rod of the ejector cylinder.

The ejector assembly 52 includes an ejector plate 521 and a profile placement plate 522, wherein the ejector plate 521 is fixedly connected with a piston rod of an ejector cylinder, and the profile placement plate 522 is disposed on the ejector plate 521. The ejector plate 521 and the profile placing plate 522 extend along the Y-axis direction, two screws 523 are vertically arranged at positions of the ejector plate 521, which are close to two ends, two through holes are formed in the profile placing plate 522, and the two screws 523 are respectively arranged on the two through holes in a penetrating mode. Two nuts are further screwed on each screw 523, the two nuts being located on the upper side and the lower side of the profile placing plate 522, respectively, adjusting the height of the profile placing plate 522 on the screw 523 and fixing the profile placing plate 522 on the screw 523 by the nuts.

In other embodiments, referring to fig. 9, the ejector driving device 51 is an ejector driving motor 511, and the ejector driving motor 511 drives the ejector assembly 52 to move along the Z-axis direction through a rack and pinion motion module.

In some specific embodiments, referring to fig. 3 and 6, the ejector component 52 is further provided with a positioning device 6, the positioning device 6 includes a mounting seat 61, the mounting seat 61 is provided on the ejector component 52, the mounting seat 61 is provided with a first centering piece 62 and a second centering piece 63 which are arranged along the Y-axis direction, the first centering piece 62 and the second centering piece 63 are symmetrically arranged about the central line of the chuck 4, the upper ends of the first centering piece 62 and the second centering piece 63 are higher than the ejector component 52, a material passing gap 65 is provided between the first centering piece 62 and the second centering piece 63, and the material passing gap 65 can accommodate a section bar positioned on the ejector component 52; the positioning device 6 further comprises a linkage assembly 64, and the first centering piece 62 and the second centering piece 63 are in linkage connection through the linkage assembly 64; the mounting seat 61 is also provided with a centering driving device 66, the output end of the centering driving device 66 is connected with the linkage assembly 64, and the centering driving device 66 can drive the first centering piece 62 and the second centering piece 63 to synchronously approach each other or separate from each other through the linkage assembly 64. After the profile is placed on the ejector assembly 52, it passes through the gap 65, and then the centering drive 66 drives the first centering member 62 and the second centering member 63 synchronously toward each other via the linkage assembly 64 so that the axis of the profile is aligned with the center line of the chuck 4.

Specifically, the centering driving device 66 is a centering cylinder, the cylinder body of which is fixedly provided on the ejector plate 521, and the piston rod of which is directed to the upper side. The linkage assembly 64 includes a guide bar extending in the Y-axis direction, and the first centering member 62 and the second centering member 63 are each slidably coupled to the guide bar. The linkage assembly 64 further includes a first linkage rod 641 and a second linkage rod 642, an upper end of the first linkage rod 641 being rotatably connected to the first centering member 62, and an upper end of the second linkage rod 642 being rotatably connected to the second centering member 63. The linkage assembly 64 further includes a connecting bar, and the lower ends of the first and second linkage rods 641 and 642 are rotatably connected to the connecting bar. The connecting strip is fixedly connected with a piston rod of the centering cylinder, when the piston rod of the centering cylinder drives the connecting strip to move upwards, the first centering piece 62 and the second centering piece 63 can synchronously slide on the guide strip and are mutually far away from each other, the material passing gap 65 is enlarged, and the profile can pass through the material passing gap 65; when the piston rod of the centering cylinder drives the connecting bar to move downwards, the first centering piece 62 and the second centering piece 63 slide synchronously on the guide bar and approach each other, so that the material passing gap 65 is reduced, the profile is clamped and positioned to a position where the axis of the profile is aligned with the central line of the chuck 4, the axes of the profile and the central line of the chuck 4 extend along the X-axis direction, and the meaning of "alignment" is: the axis of the profile coincides with the centre line of the chuck 4 or is located above or below the centre line of the chuck 4.

In other embodiments, the centering drive 66 is a centering drive motor that drives the first and second centering members 62, 63 through a "rack and pinion 13 motion module" to synchronize the first and second centering members 62, 63 toward and away from each other.

In other embodiments, the positioning device 6 comprises a centering material supporting wheel, the axis of the centering material supporting wheel extends along the Y-axis direction, a centering groove is arranged on the centering material supporting wheel, the centering groove is symmetrical with respect to the central line of the chuck 4, the centering groove extends around the axis of the centering material supporting wheel, and the width of the centering groove gradually decreases along the direction from the head end to the tail end of the centering groove; for the cross section passing through the centering material supporting wheel axis, the projection of the centering groove on the cross section is arc-shaped, so that the circular section can be attached to the centering material supporting wheel more stably. The end face of the centering material supporting wheel is provided with a plurality of positioning screw holes, the positioning screw holes are circumferentially distributed around the axis of the centering material supporting wheel, a second mounting plate is fixedly arranged on the material jacking plate 521, a through hole is formed in the second mounting plate, when the centering material supporting wheel is adjusted, the centering material supporting wheel is rotated, the corresponding positioning screw holes correspond to the through holes, and finally the centering material supporting wheel and the second mounting plate are fixed by screws.

In some embodiments, the number of chucks 4 is two, and the two chucks 4 include a main chuck 41 and a sub chuck 42, and the laser cutting device 7 is located on a side of the main chuck 41 remote from the sub chuck 42.

In some embodiments, referring to fig. 1 and 7, the frame 1 is further provided with a fixed blanking ramp 9 and a movable blanking ramp 8, the main chuck 41, the sub chuck 42 and the movable blanking ramp 8 are slidably connected to the frame 1 and are movable along the X-axis direction, the main chuck 41, the laser cutting device 7 and the movable blanking ramp 8 are relatively fixed along the X-axis direction, and the fixed blanking ramp 9 is located on a side of the main chuck 41 away from the sub chuck 42. According to the length of section bar cutting, adjustable main chuck 41, laser cutting device 7 and remove blanking ramp 8 in the epaxial position of X, remove blanking ramp 8 and fixed blanking ramp 9 cooperation bearing and cut down the section bar that drops, be favorable to protecting cutting equipment and the section bar that drops after the cutting.

According to the length of the section bar that needs to cut, main chuck 41, laser cutting device 7 and removal blanking inclined bench 8 can remove simultaneously, adjust the position in frame 1, and removal blanking inclined bench 8 and fixed blanking inclined bench 9 can together support the section bar that drops after cutting, are favorable to protecting section bar and frame 1. The movable blanking ramp 8 can also be moved above the fixed blanking ramp 9, which is beneficial to shortening the length of the frame 1.

In other embodiments, the main chuck 41 is fixed to the frame 1, and the sub chuck 42 is slidably coupled to the frame 1 and movable in the X-axis direction.

In other embodiments, three chucks 4 are provided on the frame 1.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (9)

1. A profile cutting apparatus, characterized in that: comprises a frame (1) extending along the X-axis direction;

the laser cutting device is characterized in that a laser cutting device (7) is arranged on the frame (1), a plurality of chucks (4) which are arranged along the X-axis direction are arranged on the side wall (11) of the frame (1), and at least one chuck (4) is movably connected to the frame (1) and can move along the X-axis direction;

one side of the frame (1) close to a plurality of chucks (4) is provided with a feeding device (3) capable of conveying the section bar along the Y-axis direction, and the feeding device (3) is at least partially positioned below the center line of the chucks (4), so that the feeding device (3) can convey the section bar to the position below the center line of the chucks (4) when conveying the section bar;

the lower side of loading attachment (3) still is equipped with chassis (2), be equipped with liftout device (5) on chassis (2), liftout device (5) are used for with the section bar is gone up to the top with the height that the central line of chuck (4) corresponds.

2. Profile cutting apparatus according to claim 1, characterized in that: the feeding device (3) comprises a feeding frame (31), the feeding frame (31) is at least partially located below the center line of the chuck (4), the feeding frame (31) extends along the Y-axis direction, a feeding driving device (32) and a feeding motion assembly which are connected in a transmission mode are arranged on the feeding frame (31), a plurality of placing positions (351) for placing the section bar are arranged on the feeding motion assembly, and during feeding, the feeding driving device (32) drives the feeding motion assembly to drive the section bar on the placing positions (351) to move below the center line of the chuck (4).

3. Profile cutting apparatus according to claim 2, characterized in that: the feeding motion assembly comprises a driving gear (33), a driven gear (34) and a feeding chain (36), wherein the driving gear (33) is connected to the output end of the feeding driving device (32), the driven gear (34) is rotationally connected to the feeding frame (31), and the feeding chain (36) is wound on the driving gear (33) and the driven gear (34);

be equipped with a plurality of stopper (35) on material loading chain (36), a plurality of stopper (35) are followed the extending direction of material loading chain (36) is arranged and the interval sets up, place position (351) are located adjacent two between stopper (35).

4. Profile cutting apparatus according to claim 1, characterized in that: a guide rail (12) is arranged on the side wall (11) of the frame (1), the guide rail (12) extends along the X-axis direction, a slide block is arranged on the chuck (4), and the slide block is clamped on the guide rail (12) and can slide along the guide rail (12);

the chuck (4) is also provided with a chuck driving device which is used for driving the chuck (4) to slide along the guide rail (12).

5. Profile cutting apparatus according to claim 1 or 4, characterized in that: the output end of the chuck driving device is provided with a gear, a rack (13) extending along the X-axis direction is arranged on the side wall (11) of the rack (1), and the gear is meshed with the rack (13).

6. Profile cutting apparatus according to claim 1, characterized in that: the ejection device (5) comprises an ejection driving device (51) arranged on the underframe (2), an ejection assembly (52) is arranged at the output end of the ejection driving device (51), and the ejection driving device (51) can drive the ejection assembly (52) to move along the Z-axis direction.

7. Profile cutting apparatus according to claim 6, characterized in that: the device is characterized in that a positioning device (6) is further arranged on the material ejection assembly (52), the positioning device (6) comprises a mounting seat (61), the mounting seat (61) is arranged on the material ejection assembly (52), a first centering piece (62) and a second centering piece (63) which are distributed along the Y-axis direction are arranged on the mounting seat (61), the first centering piece (62) and the second centering piece (63) are symmetrically arranged relative to the central line of the chuck (4), the upper ends of the first centering piece (62) and the second centering piece (63) are higher than the material ejection assembly (52), a material passing gap (65) is arranged between the first centering piece (62) and the second centering piece (63), and the material passing gap (65) can accommodate the section bar positioned on the material ejection assembly (52);

the positioning device (6) further comprises a linkage assembly (64), and the first centering piece (62) and the second centering piece (63) are in linkage connection through the linkage assembly (64);

the centering driving device (66) is further arranged on the mounting seat (61), the output end of the centering driving device (66) is connected with the linkage assembly (64), and the centering driving device (66) can drive the first centering piece (62) and the second centering piece (63) to synchronously approach or separate from each other through the linkage assembly (64).

8. Profile cutting apparatus according to claim 1, characterized in that: the number of the chucks (4) is two, the two chucks (4) comprise a main chuck (41) and an auxiliary chuck (42), and the laser cutting device (7) is positioned on one side of the main chuck (41) away from the auxiliary chuck (42).

9. Profile cutting apparatus according to claim 8, characterized in that: still be equipped with fixed blanking inclined table (9) and removal blanking inclined table (8) on frame (1), main chuck (41) vice chuck (42) with remove blanking inclined table (8) all sliding connection in on frame (1) and all can follow X axis direction and remove, main chuck (41) laser cutting device (7) with remove blanking inclined table (8) relatively fixed in X axis direction, fixed blanking inclined table (9) are located keeping away from of main chuck (41) one side of vice chuck (42).