CN214417970U

CN214417970U - Square tube cutting equipment

Info

Publication number: CN214417970U
Application number: CN202120079994.6U
Authority: CN
Inventors: 王健; 李建杰
Original assignee: Ultrafast Laser Tianjin Machinery Co ltd
Current assignee: Ultrafast Laser Tianjin Machinery Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-19
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a square pipe cutting equipment. The clamping device comprises a rack structure, wherein a clamping assembly for clamping a workpiece is connected on the rack structure in a sliding manner; a transfer device for driving the workbench to move along the length direction of the workbench is connected to the frame structure; the laser cutting head is arranged above the frame structure, and the laser cutting head further comprises a movement driving assembly for driving the laser cutting head to move in a three-dimensional space; a support structure for supporting the plate is arranged on the frame structure, and the support structure is lower than the clamping assembly; the clamping assembly comprises a workbench which is in sliding connection with the rack structure, a driven chuck device and a driving chuck device which are oppositely arranged are connected on the workbench, and a transverse moving driving device which is used for driving the driven chuck device to transversely move towards/away from the driving chuck device is connected on the workbench; a workpiece support device for supporting the workpiece is connected to the worktable. The utility model discloses can carry out cutting plate and pipe cutting processing, reduce the input cost of equipment, reduce the area of equipment.

Description

Square tube cutting equipment

Technical Field

The utility model belongs to the technical field of laser cutting equipment, especially, relate to a square pipe cutting equipment.

Background

The laser cutting is realized by applying high-power-density energy generated after laser focusing, can be widely applied to metal material processing, and has the characteristics of narrow cut width, small heat affected zone, smooth cut, high cutting speed and random cutting of any shape.

The existing laser cutting equipment comprises a laser plate cutting machine and a laser pipe cutting machine, wherein the laser plate cutting machine is used for cutting plates, and the laser pipe cutting machine is used for cutting pipes. In the cutting trade, not only need cut panel sometimes, still need cut operation such as punch to tubular product, but the cutting board pipe needs different equipment, has increased the cost of enterprise undoubtedly, brings bigger pressure for the development of enterprise, has also taken great workshop place simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who exists among the known art and provide a have the side's pipe cutting equipment who surely manages and cutting plate function concurrently. The utility model discloses also reduced area when having reduced manufacturing cost.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a square tube cutting device comprises a frame structure, wherein a clamping assembly for clamping a workpiece is connected on the frame structure in a sliding manner; a transfer device for driving the workbench to move along the length direction of the workbench is connected to the frame structure; the laser cutting head is arranged above the frame structure, and the laser cutting head further comprises a movement driving assembly for driving the laser cutting head to move in a three-dimensional space; a support structure for supporting the plate is arranged on the frame structure, and the support structure is lower than the clamping assembly; the clamping assembly comprises a workbench which is in sliding connection with the rack structure, a driven chuck device and a driving chuck device which are oppositely arranged are connected on the workbench, and a transverse moving driving device which is used for driving the driven chuck device to transversely move towards/away from the driving chuck device is connected on the workbench; a workpiece support device for supporting the workpiece is connected to the worktable.

The utility model has the advantages that: the utility model provides a square tube cutting device, which can cut a workpiece by arranging a laser cutting head, and can adjust the position of the laser cutting head in a three-dimensional space by arranging a mobile driving assembly, thereby realizing the accurate cutting of the workpiece; the clamping assembly is arranged to clamp the pipe fittings of various specifications; the clamping assembly clamped with the pipe fitting can be driven to move transversely by arranging the transfer device, so that the pipe fitting is moved to a cutting station for cutting, and the pipe fitting is moved out to an initial position after the cutting is finished; the supporting structure can be used for supporting the plate, and the laser cutting head can be matched with the plate to perform cutting operation on the plate; the utility model has the advantages of reasonable design, convenient to use can carry out cutting plate and pipe cutting processing, has reduced the input cost of equipment, reduces the area of equipment.

Preferably: and the transverse moving driving device is connected with a loading and shifting device which is used for driving the driven chuck device to move towards/away from the driving chuck device for a preset distance in a transverse way.

Preferably: a transverse moving rack and a transverse moving guide rail which extend along the length direction of the workbench are fixedly connected with the workbench; the transverse moving driving device comprises a transverse moving mounting seat which is connected with the transverse moving guide rail in a sliding mode through a sliding block, a transverse moving driving motor is fixedly connected to the transverse moving mounting seat, and a gear which is meshed with the transverse moving rack is connected to an output shaft of the transverse moving driving motor in a key mode.

Preferably: the loading and shifting device comprises a shifting guide rail which is fixedly connected with the movable end of the transverse moving driving device and extends along the length direction of the workbench, a shifting mounting seat is connected onto the shifting guide rail in a sliding mode through a sliding block, and the loading and shifting device also comprises a shifting air cylinder which is fixedly connected with the movable end of the transverse moving driving device and can drive the shifting mounting seat to transversely move along the shifting guide rail.

Preferably: the driving chuck device comprises a driving chuck seat fixedly connected on the workbench, a driving chuck rotating shaft is rotatably connected on the driving chuck seat through a rolling bearing, and a driving chuck for clamping a workpiece is connected at the inner end of the driving chuck rotating shaft; a rotary motor is fixedly connected to the workbench, and a gear pair is connected between an output shaft of the rotary motor and the outer end part of the driving chuck rotating shaft.

Preferably: the driven chuck device comprises a driven chuck seat fixedly connected with the movable end of the loading and shifting device, a driven chuck rotating shaft is rotatably connected to the driven chuck seat through a rolling bearing, and a driven chuck for clamping a workpiece is connected to the inner end part of the driven chuck rotating shaft; the device also comprises a chuck locking cylinder fixedly connected with the movable end of the loading shifting device, and the extending end of the chuck locking cylinder can be arranged in a notch formed in the outer end part of the driven chuck rotating shaft in a penetrating manner.

Preferably: the workpiece supporting device comprises a supporting installation seat crossing the workbench, a lifting cylinder longitudinally arranged is fixedly connected to the supporting installation seat, the extending end of the lifting cylinder penetrates through the supporting installation seat and then is connected with a supporting transverse moving seat, and the supporting transverse moving seat is in sliding connection with a transverse moving guide rail through a sliding block; a workpiece supporting roller for supporting a workpiece is rotatably connected to the supporting mounting seat; and a transverse locking structure for locking the transverse position of the support mounting seat and a longitudinal locking structure for locking the longitudinal position of the support mounting seat are connected to the support mounting seat.

Preferably: a portal frame is transversely connected to the frame structure in a spanning manner, and the laser cutting head is connected with the portal frame; the movement driving assembly comprises an X-axis moving device which is connected with the frame structure and is used for driving the portal frame to move along the length direction of the frame structure, a Y-axis moving device which is connected with the portal frame and is used for driving the laser cutting head to move along the length direction of the laser cutting head, and a Z-axis moving device which is used for driving the laser cutting head to move longitudinally.

Preferably: the X-axis moving device comprises an X-axis rack and an X-axis guide rail which are fixedly connected to the frame structure and extend along the length direction of the frame structure, a sliding block which is in sliding fit with the X-axis guide rail is fixedly connected to the bottom of the portal frame, the X-axis moving device also comprises an X-axis motor which is fixedly connected to the portal frame, and a gear which is meshed with the X-axis rack is connected to an output shaft of the X-axis motor in a key mode; the Y-axis moving device comprises a Y-axis guide rail and a Y-axis rack which are fixedly connected to the portal frame and extend along the length direction of the portal frame, a Y-axis transverse moving seat is connected to the Y-axis guide rail in a sliding mode through a sliding block, a Y-axis motor is fixedly connected to the Y-axis transverse moving seat, and a gear meshed with the Y-axis rack is connected to an output shaft of the Y-axis motor in a key mode; the Z-axis moving device is fixedly connected with the Y-axis transverse moving seat, the Z-axis moving device adopts an electric cylinder, and the laser cutting head is connected with the movable end of the electric cylinder.

Preferably: the transferring device comprises a transferring motor fixedly connected on the frame structure, the transferring motor adopts a double-shaft motor, an output shaft of the transferring motor is connected with a transferring rotating shaft rotationally connected with the frame structure, and a transferring chain wheel pair is connected on the transferring rotating shaft; the shifting chain wheel pair comprises a driving chain wheel connected with the shifting rotating shaft key and a driven chain wheel rotationally connected with the frame structure, a chain is in transmission connection between the driving chain wheel and the driven chain wheel, and the workbench is connected with the chain through a connecting piece; the moving and carrying guide rail is fixedly connected to the frame structure and extends along the length direction of the frame structure; the workbench is rotatably connected with a first roller and a second roller which are in rolling contact with the transfer guide rail.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the clamping assembly of the present invention, viewed from above;

fig. 3 is a schematic view of the three-dimensional structure of the clamping assembly of the present invention, with a lower view angle;

fig. 4 is a schematic perspective view of the active chuck device of the present invention;

fig. 5 is a schematic structural view of the traverse driving device, the loading shifting device and the driven chuck device of the present invention;

Fig. 6 is a schematic perspective view of the workpiece support apparatus of the present invention, viewed from above;

fig. 7 is a schematic perspective view of the workpiece support apparatus of the present invention, from a lower perspective;

fig. 8 is a schematic perspective view of the transfer device of the present invention;

fig. 9 is an enlarged schematic view of the region a in fig. 8.

In the figure: 1. a work table; 1-1, a first roller; 1-2, a second roller; 2. transversely moving the rack; 3. transversely moving the guide rail; 4. a traverse driving device; 4-1, transversely moving the mounting seat; 4-2, a transverse moving driving motor; 5. a loading displacement device; 5-1, a shifting cylinder; 5-2, a shifting guide rail; 5-3, a shifting mounting seat; 6. a driven chuck assembly; 6-1, driven chuck; 6-2, rotating a shaft of the driven chuck; 6-3, driven chuck seat; 6-4, locking a cylinder by a chuck; 7. a workpiece support device; 7-1, supporting the mounting seat; 7-2, a lifting cylinder; 7-3, supporting a locking bar; 7-4, locking the clamping block; 7-5, supporting the transverse moving seat; 7-6, workpiece limiting blocks; 7-7, workpiece supporting rollers; 7-8, a rack mounting seat; 7-9, locking rack; 7-10, driving a cylinder by a rack; 8. an active chuck device; 8-1, an active chuck; 8-2, driving chuck rotating shaft; 8-3, an active chuck seat; 8-4, gear pair; 8-5, rotating the motor; 9. a workpiece; 10. a first frame; 11. an X-axis moving device; 11-1, an X-axis motor; 11-2, X-axis rack; 11-3, an X-axis guide rail; 12. a gantry; 13. a Y-axis moving device; 13-1, Y-axis motor; 13-2, a Y-axis traversing seat; 13-3, Y-axis guide rail; 13-4, Y-axis rack; 14. a Z-axis moving device; 15. a clamping and stabilizing device; 16. a transfer device; 16-1, a transfer motor; 16-2, transferring a rotating shaft; 16-3, transferring a chain wheel pair; 16-4, transferring guide rails; 17. a second frame; 18. an outer protective cover; 19. laser cutting head.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the square tube cutting device of the present invention includes a frame structure, the frame structure includes a first frame 10 and a second frame 17 that are butted with each other, and a clamping assembly for clamping a workpiece 9 is slidably connected to the frame structure. A support structure (not shown) for supporting the plate is disposed on the second frame 17, and the support structure is lower than the clamping assembly. The supporting structure comprises a supporting frame arranged on the second frame 17, a splicing square tube is connected onto the supporting frame, a supporting vertical plate stretching across the supporting frame is inserted on the splicing square tube, and the edge of the top of the supporting vertical plate is in a sawtooth shape. Wherein the supporting vertical plate and the splicing square tube are consumables, are easily damaged by heating and need to be replaced regularly. In the actual working process, the plate to be machined is placed on the support structure for cutting machining.

As shown in fig. 1 and 2, the clamping assembly includes a worktable 1 slidably connected to the frame structure, a driven chuck device 6 and a driving chuck device 8 are connected to the worktable 1, the driven chuck device 6 and the driving chuck device 8 can both clamp a workpiece 9, the driving chuck device 8 can drive the workpiece 9 to rotate, and the driven chuck device 6 can be driven to rotate under the driving of the driving chuck device 8 and the workpiece 9. In the present embodiment, the driven chuck device 6 and the driving chuck device 8 are provided with a plurality of sets and are in one-to-one correspondence.

As shown in fig. 4, in the present embodiment, the active chuck device 8 includes an active chuck base 8-3 fixedly connected to the worktable 1, the active chuck base 8-3 is rotatably connected to an active chuck rotating shaft 8-2 through a rolling bearing, and an active chuck 8-1 for clamping a workpiece 9 is connected to an inner end of the active chuck rotating shaft 8-2; a rotary motor 8-5 is fixedly connected on the workbench 1, and a gear pair 8-4 is connected between an output shaft of the rotary motor 8-5 and the outer end part of the driving chuck rotating shaft 8-2. The gear pair 8-4 comprises a driven gear connected to the chuck rotating shaft 8-2 and a driving gear connected to the output shaft of the rotating motor 8-5 in a key manner, and the driving gear is meshed with the driven gear.

As shown in fig. 5, the driven chuck device 6 comprises a driven chuck seat 6-3, a driven chuck rotating shaft 6-2 is rotatably connected to the driven chuck seat 6-3 through a rolling bearing, and a driven chuck 6-1 for clamping a workpiece 9 is connected to the inner end of the driven chuck rotating shaft 6-2; the loading shifting device also comprises a chuck locking cylinder 6-4 fixedly connected with the movable end of the loading shifting device 5, and the extending end of the chuck locking cylinder 6-4 can be arranged in a notch formed in the outer end part of the driven chuck rotating shaft 6-2 in a penetrating way.

In this embodiment, the driven chuck 6-1 and the driving chuck 8-1 both adopt four-jaw hydraulic chucks, clamping jaws matched with the profile of the workpiece 9 can be detachably connected to the clamping jaws of the driven chuck 6-1 and the driving chuck 8-1, and the universality of the cutting equipment can be improved by replacing the clamping jaws suitable for different specifications of pipes, so that the cutting equipment can not only clamp a square pipe for cutting, but also clamp a round pipe for cutting. In addition, the driven chuck rotating shaft 6-2 and the driving chuck rotating shaft 8-2 are hollow, the outer end parts of the driven chuck rotating shaft 6-2 and the driving chuck rotating shaft 8-2 are both connected with a multi-way rotary joint, the multi-way rotary joint is connected with a hydraulic station through a liquid pipeline, and the multi-way rotary joint is arranged to prevent the liquid pipeline from being entangled when the hydraulic chuck rotates.

As shown in fig. 2, the clamping assembly further comprises a traverse rack 2 and a traverse guide rail 3 which are fixedly connected to the worktable 1 and extend along the length direction of the worktable; further, a traverse driving device 4 for driving the driven chuck device 6 to move laterally toward and away from the driving chuck device 8 is connected to the table 1. Further referring to fig. 5, the traverse driving device 4 comprises a traverse mounting seat 4-1 slidably connected with the traverse guide rail 3 through a slider, a traverse driving motor 4-2 is fixedly connected to the traverse mounting seat 4-1, and a gear engaged with the traverse rack 2 is connected to an output shaft of the traverse driving motor 4-2 through a key.

In the actual working process, the position of the transverse moving driving device 4 is adjusted according to the length of the workpiece 9, so that the workpiece 9 is clamped; the working principle of the traverse driving device 4 is as follows: the output shaft of the transverse moving driving motor 4-2 rotates to drive the gear connected with the transverse moving driving motor to rotate, and the rotating gear drives the transverse moving mounting seat 4-1 to transversely move along the transverse moving guide rail 3 as the gear is meshed with the transverse moving rack 2; in the embodiment, in order to further improve the operation stability of the traverse mounting seat 4-1, a gear meshed with the traverse rack 2 is rotatably connected to the traverse mounting seat 4-1.

As shown in fig. 2, the clamping assembly further includes a loading shifting device 5 connected to the traverse driving device 4 for driving the driven chuck device 6 to traverse toward/away from the driving chuck device 8 by a preset distance, and a driven chuck seat 6-3 in the driven chuck device 6 is connected to the loading shifting device 5; further referring to fig. 5, the loading and shifting device 5 comprises a shifting guide rail 5-2 fixedly connected to the movable end of the traverse driving device 4 and extending along the length direction of the worktable 1, a shifting mounting seat 5-3 slidably connected to the shifting guide rail 5-2 through a sliding block, and a shifting cylinder 5-1 fixedly connected to the movable end of the traverse driving device 4, wherein the shifting cylinder 5-1 can drive the shifting mounting seat 5-3 to move transversely along the shifting guide rail 5-2.

In the actual working process, when a workpiece 9 needs to be clamped, the extending end of the shifting cylinder 5-1 retracts, the retracting extending end drives the shifting mounting seat 5-3 to retract for a preset distance, the driven chuck device 6 is further driven to retract for the preset distance, and then the workpiece 9 is placed between the driven chuck device 6 and the driving chuck device 8; after the workpiece 9 is placed, the extending end of the shifting cylinder 5-1 is ejected out, the ejected extending end drives the shifting mounting seat 5-3 to move towards the driving chuck device 8 for a preset distance, further drives the driven chuck device 6 to move towards the driving chuck device 8 for a preset distance, and finally the driven chuck device 6 and the driving chuck device 8 clamp two ends of the workpiece 9.

In actual working process, the tubular product that treats the cutting is generally long and the quality is bigger, if lack the device that plays supporting role to tubular product, the bearing of chuck can be bigger than normal then, and long-time work can lead to the fact the damage to the chuck absolutely, influences the life of equipment. In order to overcome the above-described disadvantages, as shown in fig. 2, the present embodiment is connected to a workpiece support device 7 for supporting a workpiece 9 on the table 1.

Further referring to fig. 6 and 7, the workpiece supporting device 7 comprises a supporting installation seat 7-1 crossing the worktable 1, a lifting cylinder 7-2 arranged longitudinally is fixedly connected to the supporting installation seat 7-1, an extending end of the lifting cylinder 7-2 penetrates through the supporting installation seat 7-1 and then is connected with a supporting traverse motion seat 7-5, and the supporting traverse motion seat 7-5 is connected with the traverse motion guide rail 3 in a sliding manner through a sliding block; a workpiece supporting roller 7-7 for supporting a workpiece 9 is rotatably connected to the supporting mounting seat 7-1; the side wall of the supporting and mounting seat 7-1 is connected with workpiece limiting blocks 7-6 used for limiting a workpiece 9, the workpiece limiting blocks 7-6 are arranged in pairs, and each pair of workpiece limiting blocks 7-6 is arranged corresponding to one group of workpiece supporting rollers 7-7.

Since the support traverse mount 7-5 is slidably connected to the traverse guide 3 via the slider, a lateral locking structure for locking the lateral position of the support mount 7-1 and a longitudinal locking structure for locking the longitudinal position of the support mount 7-1 are connected to the support mount 7-1 as required for the specification of the workpiece 9 and the cutting.

The transverse locking structure comprises a rack driving cylinder 7-10 which is fixedly connected with a supporting installation seat 7-1 and is longitudinally arranged, a rack installation seat 7-8 is fixedly connected with the extending end of the rack driving cylinder 7-10, and a locking rack 7-9 which is meshed with the transverse rack 2 is fixedly connected with the rack installation seat 7-8. The longitudinal locking structure comprises a supporting locking strip 7-3 fixedly connected to a supporting transverse moving seat 7-5, the supporting locking strip 7-3 is longitudinally arranged and penetrates through a supporting installation seat 7-1, the longitudinal locking structure also comprises a locking clamping block 7-4 connected to the supporting installation seat 7-1, and the locking clamping block 7-4 is detachably connected with the supporting locking strip 7-3; the locking clamping block 7-4 and the mounting surface for supporting the locking strip 7-3 are both provided with knurls or sawtooth surfaces which are in friction contact. In this embodiment, a longitudinally extending bar-shaped hole is formed in the lock clamp 7-4, a bolt screwed with the support lock bar 7-3 is inserted into the bar-shaped hole, and a lock nut is screwed with the bolt.

The working principle of the transverse locking structure and the longitudinal locking structure is as follows: the locking rack 7-9 is driven to ascend by the rack driving cylinder 7-10, so that the locking rack 7-9 is disengaged from the transverse rack 2, and the abutting contact between the locking clamping block 7-4 and the mounting surface of the supporting locking strip 7-3 is removed; then the supporting mounting seat 7-1 is longitudinally moved to a proper position through the lifting cylinder 7-2 until the workpiece supporting roller 7-7 can be in rolling contact with the clamped workpiece 9; after the supporting installation seat 7-1 is longitudinally moved to the position, the locking nut is screwed, so that the locking clamping block 7-4 and the supporting locking strip 7-3 are in abutting contact on the installation surface, the longitudinal position of the supporting installation seat 7-1 is locked, and the supporting installation seat 7-1 is prevented from losing the supporting effect after the lifting cylinder 7-2 is deflated; after the locking clamping block 7-4 and the supporting locking strip 7-3 are tightly pressed and locked on the mounting surface, the rack driving cylinder 7-10 is started, the extending end of the rack driving cylinder 7-10 drives the locking rack 7-9 to move longitudinally until the locking rack 7-9 is meshed with the transverse moving rack 2, and the transverse position of the supporting mounting seat 7-1 can be locked by meshing of the locking rack 7-9 and the transverse moving rack 2.

As shown in fig. 1, a transfer device 16 for driving the table 1 to move in the longitudinal direction thereof is connected to the frame structure; further referring to fig. 8, in the present embodiment, the transferring device 16 includes a transferring motor 16-1 fixed to the frame structure, the transferring motor 16-1 is a dual-shaft motor, a transferring rotating shaft 16-2 rotatably connected to the frame structure is connected to an output shaft of the transferring motor 16-1, and a transferring sprocket pair 16-3 is connected to the transferring rotating shaft 16-2; the transferring chain wheel pair 16-3 comprises a driving chain wheel connected with the transferring rotating shaft 16-2 key and a driven chain wheel connected with the frame structure in a rotating mode, a chain is connected between the driving chain wheel and the driven chain wheel in a transmission mode, and the workbench 1 is connected with the chain through a connecting piece.

The transfer device 16 also comprises a transfer guide rail 16-4 which is fixedly connected on the frame structure and extends along the length direction; as shown in FIG. 3, a first roller 1-1 and a second roller 1-2 are rotatably connected to the working platform 1, and both the first roller 1-1 and the second roller 1-2 are in rolling contact with the transfer rail 16-4. In the embodiment, the peripheral wall of the first roller 1-1 is provided with a groove matched with the transfer guide rail 16-4, and the arrangement can avoid the derailment of the first roller 1-1 and the transfer guide rail 16-4; in addition, the second roller 1-2 adopts a conventional roller, and no groove is formed in the peripheral wall of the conventional roller, so that the phenomenon of blocking of the workbench 1 in the running process can be avoided.

An external protective cover 18 is covered on the second frame 17, and a window through which the clamping assembly can penetrate is formed in the external protective cover 18.

As shown in fig. 8, in an actual working process, in order to lock the position of the workbench 1 and avoid the workbench 1 from shaking, a plurality of groups of clamping and stabilizing devices 15 are connected to the second frame 17 in this embodiment, the groups of clamping and stabilizing devices 15 are arranged in pairs, and two groups of clamping and stabilizing devices 15 in each pair are arranged oppositely; the clamping and stabilizing device 15 comprises a cylinder fixedly connected to the second frame 17, an output end of the cylinder penetrates through the second frame 17 and then is connected with a clamping block, and the clamping block is made of hard rubber.

As shown in fig. 1 and 8, a laser cutting head 19 is disposed above the frame structure, and further, a portal frame 12 is connected across the frame structure, and the laser cutting head 19 is connected to the portal frame 12. This embodiment also includes a motion drive assembly for driving the laser cutting head 19 to move in three dimensions.

The movement driving assembly comprises an X-axis moving device 11 connected on the frame structure and used for driving the portal frame 12 to move along the length direction of the frame structure, a Y-axis moving device 13 connected on the portal frame 12 and used for driving the laser cutting head 19 to move along the length direction of the laser cutting head, and a Z-axis moving device 14 used for driving the laser cutting head 19 to move longitudinally.

Further referring to fig. 9, the X-axis moving device 11 includes an X-axis rack 11-2 and an X-axis guide rail 11-3 fixedly connected to the frame structure and extending along the length direction thereof, a slider slidably engaged with the X-axis guide rail 11-3 is fixedly connected to the bottom of the gantry 12, and an X-axis motor 11-1 fixedly connected to the gantry 12, and a gear engaged with the X-axis rack 11-2 is key-connected to an output shaft of the X-axis motor 11-1; the Y-axis moving device 13 comprises a Y-axis guide rail 13-3 and a Y-axis rack 13-4 which are fixedly connected to the portal frame 12 and extend along the length direction of the portal frame, a Y-axis transverse moving seat 13-2 is connected to the Y-axis guide rail 13-3 in a sliding mode through a sliding block, a Y-axis motor 13-1 is fixedly connected to the Y-axis transverse moving seat 13-2, and a gear meshed with the Y-axis rack 13-4 is connected to an output shaft of the Y-axis motor 13-1 in a key mode; the Z-axis moving device 14 is fixedly connected with the Y-axis transverse moving seat 13-2, the Z-axis moving device 14 adopts an electric cylinder, and the laser cutting head 19 is connected with the movable end of the electric cylinder.

The working process is as follows:

(1) preparation work: adjusting the transverse position and the longitudinal position of the support mounting seat 7-1 in the transverse moving driving device 4 and the workpiece supporting device 7 according to the size specification of the workpiece 9 and locking; the loading and shifting device 5 drives the driven chuck device 6 to retract for a preset distance, then a workpiece 9 is placed between the driven chuck device 6 and the driving chuck device 8 and supported by the workpiece supporting device 7, the loading and shifting device 5 drives the driven chuck device 6 to move for the preset distance towards the driving chuck device 8, and the driven chuck device 6 and the driving chuck device 8 clamp the workpiece 9;

(2) Moving and feeding operation: the transfer device 16 is used for driving the workbench 1 to transversely move to the second rack 17, so that the laser cutting head 19 can conveniently cut the workpiece 9; namely, the transfer motor 16-1 is started to drive the transfer rotating shaft 16-2 to rotate, the rotating transfer rotating shaft 16-2 drives the transfer chain wheel pair 16-3 to operate, and further drives the workbench 1 to move transversely along the transfer guide rail 16-4;

(3) cutting operation: the X-axis moving device 11 and the Y-axis moving device 13 drive the laser cutting head 19 to move to a cutting station in a plane, and the Z-axis moving device 14 drives the laser cutting head 19 to longitudinally move to a preset height, so that the laser cutting head 19 can conveniently cut the workpiece 9; after the cutting operation of one workpiece is finished, the X-axis moving device 11 and the Y-axis moving device 13 drive the laser cutting head 19 to move to the next workpiece 9 in the plane again to carry out the cutting operation, and the operations are repeated until all the workpieces 9 are cut;

(4) moving blanking operation: after the cutting operation is finished, the transfer device 16 is used again to drive the workbench 1 to transversely move to the initial position on the first machine frame 10; the driven chuck device 6 and the driving chuck device 8 release clamping on the workpiece 9, the loading shifting device 5 drives the driven chuck device 6 to move to a preset distance away from the driving chuck device 8, and then the workpiece 9 is sequentially taken down;

(5) And (4) repeating the step (2), the step (3) and the step (4) after the blanking operation is finished.

If the workpiece 9 is a square tube, when the workpiece 9 needs to be rotationally cut, the support mounting seat 7-1 in the workpiece support device 7 needs to be moved downward for a certain distance to prevent the support mounting seat 7-1 from obstructing the rotation of the workpiece 9.

Claims

1. The utility model provides a square pipe cutting equipment which characterized by: the device comprises a frame structure, wherein a clamping assembly for clamping a workpiece (9) is connected on the frame structure in a sliding manner; a transfer device (16) for driving the workbench (1) to move along the length direction is connected to the frame structure; a laser cutting head (19) is arranged above the frame structure, and the laser cutting machine further comprises a movement driving assembly for driving the laser cutting head (19) to move in a three-dimensional space; a support structure for supporting the plate is arranged on the frame structure, and the support structure is lower than the clamping assembly;

the clamping assembly comprises a workbench (1) in sliding connection with a rack structure, a driven chuck device (6) and a driving chuck device (8) which are oppositely arranged are connected to the workbench (1), and a transverse moving driving device (4) for driving the driven chuck device (6) to transversely move towards/away from the driving chuck device (8) is connected to the workbench (1); a workpiece support device (7) for supporting a workpiece (9) is connected to the table (1).

2. The square tube cutting machine according to claim 1, wherein: and a loading and shifting device (5) for driving the driven chuck device (6) to move towards/away from the driving chuck device (8) for a preset distance is connected to the transverse movement driving device (4).

3. The square tube cutting machine according to claim 1, wherein: a traverse rack (2) and a traverse guide rail (3) which extend along the length direction of the worktable (1) are fixedly connected with the worktable; the transverse moving driving device (4) comprises a transverse moving mounting seat (4-1) which is connected with the transverse moving guide rail (3) in a sliding mode through a sliding block, a transverse moving driving motor (4-2) is fixedly connected onto the transverse moving mounting seat (4-1), and a gear meshed with the transverse moving rack (2) is connected onto an output shaft of the transverse moving driving motor (4-2) in a key mode.

4. The square tube cutting machine according to claim 2, wherein: the loading and shifting device (5) comprises a shifting guide rail (5-2) which is fixedly connected with the movable end of the transverse moving driving device (4) and extends along the length direction of the workbench (1), a shifting installation seat (5-3) is connected onto the shifting guide rail (5-2) in a sliding mode through a sliding block, and the loading and shifting device also comprises a shifting air cylinder (5-1) which is fixedly connected with the movable end of the transverse moving driving device (4), wherein the shifting air cylinder (5-1) can drive the shifting installation seat (5-3) to transversely move along the shifting guide rail (5-2).

5. The square tube cutting machine according to claim 1, wherein: the driving chuck device (8) comprises a driving chuck seat (8-3) fixedly connected to the workbench (1), a driving chuck rotating shaft (8-2) is rotatably connected to the driving chuck seat (8-3) through a rolling bearing, and a driving chuck (8-1) for clamping a workpiece (9) is connected to the inner end of the driving chuck rotating shaft (8-2); a rotary motor (8-5) is fixedly connected to the workbench (1), and a gear pair (8-4) is connected between an output shaft of the rotary motor (8-5) and the outer end part of the driving chuck rotating shaft (8-2).

6. The square tube cutting machine according to claim 2, wherein: the driven chuck device (6) comprises a driven chuck seat (6-3) fixedly connected with the movable end of the loading shifting device (5), a driven chuck rotating shaft (6-2) is rotatably connected to the driven chuck seat (6-3) through a rolling bearing, and a driven chuck (6-1) used for clamping a workpiece (9) is connected to the inner end of the driven chuck rotating shaft (6-2); the loading and shifting device further comprises a chuck locking cylinder (6-4) fixedly connected with the movable end of the loading and shifting device (5), and the extending end of the chuck locking cylinder (6-4) can be arranged in a notch formed in the outer end part of the driven chuck rotating shaft (6-2) in a penetrating mode.

7. The square tube cutting machine according to claim 3, wherein: the workpiece supporting device (7) comprises a supporting installation seat (7-1) crossing the workbench (1), a lifting cylinder (7-2) longitudinally arranged is fixedly connected to the supporting installation seat (7-1), the extending end of the lifting cylinder (7-2) penetrates through the supporting installation seat (7-1) and then is connected with a supporting transverse moving seat (7-5), and the supporting transverse moving seat (7-5) is in sliding connection with the transverse moving guide rail (3) through a sliding block; a workpiece supporting roller (7-7) for supporting a workpiece (9) is rotatably connected to the supporting mounting seat (7-1); a transverse locking structure for locking the transverse position of the support mounting seat (7-1) and a longitudinal locking structure for locking the longitudinal position of the support mounting seat (7-1) are connected to the support mounting seat (7-1).

8. The square pipe cutting apparatus as claimed in any one of claims 1 to 7, wherein: a portal frame (12) is transversely connected on the frame structure in a spanning manner, and a laser cutting head (19) is connected with the portal frame (12); the movement driving assembly comprises an X-axis moving device (11) which is connected on the frame structure and used for driving the portal frame (12) to move along the length direction of the frame structure, a Y-axis moving device (13) which is connected on the portal frame (12) and used for driving the laser cutting head (19) to move along the length direction of the portal frame, and a Z-axis moving device (14) which is used for driving the laser cutting head (19) to move longitudinally.

9. The square tube cutting machine according to claim 8, wherein: the X-axis moving device (11) comprises an X-axis rack (11-2) and an X-axis guide rail (11-3) which are fixedly connected to a frame structure and extend along the length direction of the frame structure, a sliding block which is in sliding fit with the X-axis guide rail (11-3) is fixedly connected to the bottom of the portal frame (12), and the X-axis moving device also comprises an X-axis motor (11-1) which is fixedly connected to the portal frame (12), wherein a gear which is meshed with the X-axis rack (11-2) is in key connection with an output shaft of the X-axis motor (11-1); the Y-axis moving device (13) comprises a Y-axis guide rail (13-3) and a Y-axis rack (13-4), wherein the Y-axis guide rail (13-3) and the Y-axis rack (13-4) are fixedly connected to the portal frame (12) and extend along the length direction of the portal frame, a Y-axis transverse moving seat (13-2) is connected to the Y-axis guide rail (13-3) in a sliding mode through a sliding block, a Y-axis motor (13-1) is fixedly connected to the Y-axis transverse moving seat (13-2), and a gear meshed with the Y-axis rack (13-4) is connected to an output shaft of the Y-axis motor (13-1) in a key mode; the Z-axis moving device (14) is fixedly connected with the Y-axis transverse moving seat (13-2), the Z-axis moving device (14) adopts an electric cylinder, and the laser cutting head (19) is connected with the movable end of the electric cylinder.

10. The square tube cutting machine according to claim 9, wherein: the transfer device (16) comprises a transfer motor (16-1) fixedly connected on the frame structure, the transfer motor (16-1) adopts a double-shaft motor, a transfer rotating shaft (16-2) rotationally connected with the frame structure is connected on an output shaft of the transfer motor (16-1), and a transfer chain wheel pair (16-3) is connected on the transfer rotating shaft (16-2); the transferring chain wheel pair (16-3) comprises a driving chain wheel connected with the transferring rotating shaft (16-2) in a key mode and a driven chain wheel connected with the rack structure in a rotating mode, a chain is connected between the driving chain wheel and the driven chain wheel in a transmission mode, and the workbench (1) is connected with the chain through a connecting piece; the device also comprises a transfer guide rail (16-4) which is fixedly connected on the frame structure and extends along the length direction of the frame structure; a first roller (1-1) and a second roller (1-2) are rotatably connected to the workbench (1), and the first roller (1-1) and the second roller (1-2) are in rolling contact with the transfer guide rail (16-4).