CN217122119U - Laser pipe cutting machine - Google Patents

Abstract

The utility model discloses a laser pipe cutting machine, which comprises a machine body, a laser head, a first motor, a front chuck, a second motor, a workbench, a rear chuck, a third motor, a moving mechanism, a follow-up clamping mechanism and a supporting mechanism; the follow-up clamping mechanism and the supporting mechanism are respectively arranged in the lathe bed, and the follow-up clamping mechanism comprises a first mounting plate connected with the lathe bed, a lifting assembly arranged on the side wall of the first mounting plate and a butt-clamping assembly connected with the lifting assembly; the lifting assembly is arranged to realize the ascending or descending of the butt clamp assembly and avoid the rear chuck; the pipe fitting is clamped when the pipe fitting is machined by arranging the butt clamp assembly, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or moves backwards, so that follow-up clamping is realized; the pipe fitting is supported by arranging a supporting mechanism; the clamping and supporting device is simple in structure, can guarantee the clamping and supporting effects of the pipe fitting, avoids the pipe fitting from shaking, and is favorable for improving the machining precision of the pipe fitting.

Description

Laser pipe cutting machine

Technical Field

The utility model relates to a technical field of laser cutting equipment, in particular to laser pipe cutting machine.

Background

The laser pipe cutting machine is mainly used for processing and cutting pipes such as round pipes, square pipes and the like, has the advantages of high precision, rapid cutting and the like, and gradually replaces the traditional metal cutting equipment.

The laser pipe cutting machine generally comprises a machine body, a front chuck arranged at the front end of the machine body and a rear chuck arranged on the machine body in a sliding mode, wherein the front chuck and the rear chuck are used for clamping a pipe fitting to be machined, the pipe fitting is small in pipe diameter and long in pipe length (such as 6m), and the pipe fitting can still rock when being rotationally cut even after being clamped by the front chuck and the rear chuck, so that the cutting precision of the pipe fitting by a laser head is reduced, and a supporting mechanism used for supporting the pipe fitting needs to be arranged in the machine body.

The chinese patent publication No. CN207479857U discloses a pipe laser cutting machine, which comprises a machine body, a feeding mechanism and an end seat arranged at the left end of the machine body and used for matching with the feeding mechanism, wherein pneumatic supporting mechanisms are respectively arranged in the machine body at the left and right sides of the feeding mechanism, and each supporting mechanism comprises a support fixed on the machine body, an air cylinder, a supporting arm, a wheel carrier and a reducing wheel rotatably arranged on the wheel carrier; through the flexible of cylinder, make cylinder, support arm and wheel carrier move about certain angle simultaneously, realize lifting or descending of reducing wheel, realize the support or loosen the pipe fitting. However, the above-described support mechanism only generates an upward support force for the pipe, and thus a clamping force in the right-left direction of the pipe is still insufficient, and there is a problem that the machining accuracy is low.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art's weak point, an object of the utility model is to provide a laser pipe cutting machine aims at solving current supporting mechanism not good to the centre gripping effect of pipe fitting, reduces the problem of machining precision.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a laser pipe cutter comprising: the laser welding machine comprises a machine body, a laser head, a first motor, a front chuck, a second motor, a workbench, a rear chuck, a third motor, a moving mechanism, a follow-up clamping mechanism and a supporting mechanism; the laser head and the front chuck are respectively arranged at the front end of the lathe bed, and the first motor is used for driving the laser head to move along an X axis and a Z axis; the second motor is used for driving the front chuck to rotate; the rear chuck is arranged on the workbench, and the third motor is used for driving the rear chuck to rotate; the moving mechanism is used for driving the workbench to slide on the bed body; follow-up fixture with supporting mechanism sets up respectively in the lathe bed, follow-up fixture includes: the device comprises a first mounting plate connected with the lathe bed, a lifting assembly arranged on the side wall of the first mounting plate and a butt-clamping assembly connected with the lifting assembly; the lifting assembly is used for lifting or lowering the butt clamp assembly, and the butt clamp assembly is used for clamping or loosening the pipe fitting; the supporting mechanism is used for supporting the pipe fitting.

The laser pipe cutting machine is characterized in that the lifting assembly comprises a lifting driving cylinder with an upward output end and a top plate connected with the output end of the lifting driving cylinder, and the side wall of the top plate is connected with the butt clamp assembly; the butt clamp assembly comprises two clamp blocks which are symmetrically arranged and are arranged on the side wall of the top plate in a sliding mode and a butt clamp driving cylinder which is used for driving the two clamp blocks to be close to or far away from each other.

The laser pipe cutting machine is characterized in that the lifting assembly is arranged on the side wall of the first mounting plate through a first connecting plate, and a first avoidance hole for the output end of the lifting driving cylinder to penetrate is formed in the middle of the first connecting plate; first linear bearings and first guide posts arranged in the first linear bearings are symmetrically arranged on the first connecting plate, and the lifting driving cylinder is arranged between the two first guide posts.

The laser pipe cutting machine is characterized in that the butt clamp assembly is arranged on the side wall of the top plate through a second connecting plate; the second connecting plate is far away from lifting unit's lateral wall upper level is provided with first slide rail, it is provided with two first sliders to slide on the first slide rail, two the clamp splice corresponds the setting respectively on the first slider.

The laser pipe cutting machine is characterized in that the output end of the butt clamp driving cylinder is provided with a traction block, and the two clamping blocks are connected with the traction block through pull rods respectively.

The laser pipe cutting machine is characterized in that a third connecting plate is vertically arranged between the first mounting plate and the lifting assembly, two second sliding rails are symmetrically and vertically arranged on the third connecting plate respectively, a second sliding block is arranged on each second sliding rail in a sliding manner, and the side wall of each second sliding block is connected with the side wall of the first mounting plate; the top of third connecting plate still is provided with the fourth connecting plate, threaded connection has adjusting screw on the fourth connecting plate, adjusting screw's end with the top of first mounting panel is connected.

The laser pipe cutting machine of, wherein, supporting mechanism includes: the second mounting plate is connected with the lathe bed, the output end of the second mounting plate faces upwards, the support driving cylinder is arranged, and the reducing wheel is connected with the output end of the support driving cylinder; the middle part of second mounting panel is provided with the confession support the second that the output of driving actuating cylinder passed and dodge the hole.

The laser pipe cutting machine is characterized in that a fifth connecting plate is arranged above the second mounting plate, the bottom of the fifth connecting plate is connected with the output end of the support driving cylinder, two sixth connecting plates are vertically arranged on the upper portion of the fifth connecting plate, and the reducing wheel is rotatably arranged between the two sixth connecting plates; any end part of the reducing wheel is provided with a plurality of positioning holes distributed along the circumference, the side wall of the sixth connecting plate is provided with a positioning pin, and the end part of the positioning pin penetrates through the sixth connecting plate and is arranged in the positioning holes.

Laser pipe cutting machine, wherein, the symmetry is provided with second linear bearing and sets up on the second mounting panel second guide post in the second linear bearing, it sets up two to support drive actuating cylinder between the second guide post.

The laser pipe cutting machine, wherein, moving mechanism includes: the device comprises a moving track, a moving slide block, a moving motor, a moving gear and a moving rack; the movable rails are arranged on the upper surfaces of the two sides of the lathe bed and extend along the length direction of the lathe bed respectively, a movable sliding block matched with the movable rails is arranged on the movable rails in a sliding mode, and the top of the movable sliding block is connected with the bottom of the workbench; the output end of the moving motor is arranged downwards, penetrates through the workbench and is in transmission connection with a moving gear arranged below the workbench; the moving rack is arranged on the inner side of the moving track and is meshed with the moving gear.

Has the advantages that:

the utility model provides a laser pipe cutting machine, which realizes the ascending or descending of a butt clamp component by arranging a lifting component and avoids a rear chuck; the pipe fitting is clamped when the pipe fitting is machined by arranging the butt clamp assembly, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or moves backwards, so that follow-up clamping is realized; the pipe fitting is supported by arranging a supporting mechanism; the clamping and supporting device is simple in structure, can guarantee the clamping and supporting effects of the pipe fitting, avoids the pipe fitting from shaking, and is favorable for improving the machining precision of the pipe fitting.

Drawings

Fig. 1 is a first schematic structural diagram of the laser pipe cutting machine provided by the present invention.

Fig. 2 is a schematic structural diagram of the laser pipe cutting machine.

Fig. 3 is a first structural schematic diagram of the follow-up clamping mechanism.

Fig. 4 is a structural schematic diagram of the follow-up clamping mechanism.

Fig. 5 is a third schematic structural diagram of the follow-up clamping mechanism.

Fig. 6 is an exploded view of the follower clamp mechanism.

Fig. 7 is a third schematic structural diagram of the follow-up clamping mechanism.

Fig. 8 is an enlarged view of a portion a in fig. 1.

Fig. 9 is a schematic structural view of the moving mechanism.

In the drawings: 1-lathe bed, 11-laser head, 12-first motor, 2-front chuck, 21-second motor, 3-workbench, 31-rear chuck, 32-third motor, 4-moving mechanism, 41-moving track, 411-third limiting glue, 42-moving slider, 43-moving motor, 44-moving gear, 45-moving rack, 5-follow-up clamping mechanism, 51-first mounting plate, 52-lifting component, 521-lifting driving cylinder, 522-top plate, 523-first connecting plate, 5231-first avoidance hole, 5232-first linear bearing, 5233-first guide column, 5234-first limiting glue, 524-bearing block, 53-butt clamp component, 531-clamp block, 5311-clamp block, 5232-first linear bearing, 532-pair clamp driving cylinder, 533-second connecting plate, 5331-first slide rail, 5332-first slide block, 534-traction block, 535-pull rod, 54-third connecting plate, 541-second slide rail, 5411-limiting block, 542-second slide block, 55-fourth connecting plate, 551-adjusting screw rod, 6-supporting mechanism and 61-second mounting plate, 611-a second avoidance hole, 612-a second linear bearing, 613-a second guide column, 62-a support driving cylinder, 63-a reducing wheel, 631-a positioning hole, 64-a fifth connecting plate, 641-a second limiting glue, 65-a sixth connecting plate, 651-a positioning pin, 66-a dial, 7-a waist-shaped hole, 8-an air draft mechanism and 9-an adjusting foot cup.

Detailed Description

The utility model provides a laser pipe cutting machine, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-4, the present invention provides a laser pipe cutting machine, comprising: the device comprises a lathe bed 1, a laser head 11, a first motor 12, a front chuck 2, a second motor 21, a workbench 3, a rear chuck 31, a third motor 32, a moving mechanism 4, a follow-up clamping mechanism 5 and a supporting mechanism 6; the laser head 11 and the front chuck 2 are respectively arranged at the front end of the lathe bed 1, and the first motor 12 is used for driving the laser head 11 to move along an X axis and a Z axis; the second motor 21 is used for driving the front chuck 2 to rotate; the rear chuck 31 is arranged on the workbench 3, and the third motor 32 is used for driving the rear chuck 31 to rotate; the moving mechanism 4 is used for driving the workbench 3 to slide on the bed 1; follow-up fixture 5 with supporting mechanism 6 sets up respectively in the lathe bed 1, follow-up fixture 5 includes: the device comprises a first mounting plate 51 connected with the lathe bed 1, a lifting component 52 arranged on the side wall of the first mounting plate 51 and a butt clamp component 53 connected with the lifting component 52; the lifting assembly 52 is used for lifting or lowering the butt clamp assembly 53, and the butt clamp assembly 53 is used for clamping or loosening the pipe; the supporting mechanism 6 is used for supporting the pipe fitting.

Specifically, the second motor 21 and the third motor 32 respectively drive the front chuck 2 and the rear chuck 31 to rotate in a gear engagement manner. Preceding chuck 2 and back chuck 31 are the pneumatic type setting for the centre gripping pipe fitting.

In actual use, two ends of the pipe to be processed are respectively arranged on the front chuck 2 and the rear chuck 31; in this embodiment, the supporting mechanism 6, the follow-up clamping mechanism 5, the supporting mechanism 6, and the follow-up clamping mechanism 5 are arranged in sequence from the front end to the rear end of the bed 1. Certainly do to set up a plurality of follow-up fixture 5 and supporting mechanism 6 in order to promote the support of pipe fitting and centre gripping effect, the utility model discloses do not make the restriction to the quantity that sets up of follow-up fixture 5, supporting mechanism 6. The laser pipe cutting machine further comprises a control mechanism (not shown in the figure), the lifting assembly 52 in the follow-up clamping mechanism 5 drives the butt clamp assembly 53 to ascend through the control of the control mechanism, the height of the butt clamp assembly 53 is higher than that of the machine body 1, the butt clamp assembly 53 clamps a pipe placed on the butt clamp assembly 53, the supporting mechanism 6 supports the pipe, when the rear chuck 31 moves forwards and backwards or the rear chuck 31 and the front chuck 2 rotate, the butt clamp assembly 53 loosens the pipe, the clamping force of the pipe in the left-right direction is relieved, and the pipe can move forwards or backwards smoothly; when the laser head 11 is used for processing and cutting the pipe fitting, the butt clamp assembly 53 clamps the pipe fitting, and follow-up clamping is achieved. When the rear chuck 31 continues to move forward, the control mechanism controls the follow-up clamping mechanism 5 or the supporting mechanism 6 positioned in front of the rear chuck 31 to be not in the lathe bed 1 and avoid the rear chuck 31. When all the follow-up clamping mechanisms 5 and the supporting mechanisms 6 are immersed in the lathe bed 1, the pipe fitting is short, the good clamping effect of the pipe fitting can be met through clamping of the front chuck 2 and the rear chuck 31, the follow-up clamping mechanisms 5 and the supporting mechanisms 6 reset one by one until the pipe fitting is machined, so that the next pipe fitting is machined by repeating the operations.

The lifting component 52 is arranged to realize the lifting or descending of the butt clamp component 53 and avoid the rear chuck 31; the pipe fitting is clamped when the pipe fitting is machined by arranging the butt clamp assembly 53, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or moves backwards, so that follow-up clamping is realized; the pipe fitting is supported by arranging the supporting mechanism 6; the clamping and supporting device is simple in structure, can guarantee the clamping and supporting effects of the pipe fitting, avoids the pipe fitting from shaking, and is favorable for improving the machining precision of the pipe fitting.

Referring to fig. 3 to 7, further, the lifting assembly 52 includes a lifting driving cylinder 521 whose output end is disposed upward and a top plate 522 connected to the output end of the lifting driving cylinder 521, and a side wall of the top plate 522 is connected to the opposite clamping assembly 53; the opposite clamping assembly 53 comprises two clamping blocks 531 which are symmetrically arranged and are arranged on the side wall of the top plate 522 in a sliding manner, and an opposite clamping driving cylinder 532 for driving the two clamping blocks 531 to approach or separate from each other. In one embodiment, the lifting driving cylinder 521 extends to drive the opposite clamping assembly 53 to ascend integrally; the opposite-clamping driving cylinder 532 contracts to enable the two clamping blocks 531 to approach each other, so that the pipe fitting is clamped; by extending the opposite clamp driving cylinder 532, the two clamp blocks 531 are moved away from each other, thereby releasing the pipe. The pipe fitting is loosened or clamped by extending or contracting the clamp driving cylinder 532, and the follow-up clamping of the pipe fitting is realized. Specifically, the lifting driving cylinder 521 in the front lifting assembly 52 is a diaphragm cylinder (see fig. 3), the lifting driving cylinder 521 in the other lifting assembly 52 is a double-shaft cylinder (see fig. 4), the diaphragm cylinder has a rebounding function, the opposite clamping assembly 53 continuously clamps the pipe fitting, when the square pipe or the rectangular pipe rotates, the diagonal line of the pipe fitting changes, the diaphragm cylinder is stressed and rebounds, and after the pipe fitting rotates, the opposite clamping assembly 53 automatically clamps the pipe fitting, so that follow-up clamping is realized. The reason why all the lifting driving cylinders 521 are not set as diaphragm cylinders is that the linkage between the lifting driving cylinders 521 and the lifting driving cylinders 521 is inconsistent, so that the synchronism of the output ends of the lifting driving cylinders 521 is inconsistent, and the clamping effect of the pipe fitting is further reduced.

Referring to fig. 6, further, the lifting assembly 52 is disposed on the side wall of the first mounting plate 51 through a first connecting plate 523, and a first avoiding hole 5231 for the output end of the lifting driving cylinder 521 to pass through is disposed in the middle of the first connecting plate 523, so that the output end of the lifting driving cylinder 521 is connected to the lower surface of the top block; the first connecting plate 523 is symmetrically provided with a first linear bearing 5232 and a first guide column 5233 arranged in the first linear bearing 5232, and the lifting driving cylinder 521 is arranged between the two first guide columns 5233. Through the cooperation of first linear bearing 5232 and first guide post 5233, make transmission efficiency high, frictional force little, can guarantee moreover to go up and down to drive the stationarity when actuating cylinder 521 extends or contracts, and then reduce the vibrations of follow-up fixture 5, guarantee the clamping effect of pipe fitting.

Referring to fig. 6, a first limiting glue 5234 is further disposed on the top of the first connecting plate 523. The first position-limiting rubber 5234 is arranged to buffer the hard collision between the bottom of the top plate 522 and the top of the first linear bearing 5232, so as to protect the top plate.

Referring to fig. 6, further, a supporting block 524 is disposed on the top of the top plate 522. The supporting blocks 524 are used for supporting the pipe and buffering the direct contact between the pipe and the top plate 522 when the pipe rotates, moves forwards or backwards, so that the outer wall of the pipe is abraded, and a protective effect is achieved.

Referring to fig. 3 and 4, further, the clamp assemblies 53 are disposed on the side wall of the top plate 522 through the second connecting plate 533; a first slide rail 5331 is horizontally arranged on the side wall of the second connecting plate 533 far away from the lifting component 52, two first slide blocks 5332 are slidably arranged on the first slide rail 5331, and the two clamping blocks 531 are respectively and correspondingly arranged on the first slide blocks 5332. Through setting up first slide rail 5331 and first slider 5332, make two clamp splice 531 under the traction of dual clamp actuating cylinder 532, its stationarity of removal is higher, is favorable to guaranteeing the centre gripping effect of pipe fitting.

Referring to fig. 3 and 4, further, the output end of the opposite clamping driving cylinder 532 is provided with a traction block 534, and the two clamping blocks 531 are respectively connected with the traction block 534 through a pull rod 535. In one embodiment, when the opposite clamp driving cylinder 532 is in the extended state, the two pull rods 535 are away from each other around the pull block 534, so that the two clamp blocks 531 are away from each other, and the pipe is released; when the opposite clamping driving cylinder 532 is in a contraction state, the two pull rods 535 approach each other around the traction block 534, so that the two clamping blocks 531 approach each other to clamp the pipe. The transmission mode of above-mentioned structure is simple, and for the meshing of gear and rack, frictional force is littleer, and transmission efficiency is higher.

Referring to fig. 3 and 4, further, the side walls of the two clamping blocks 531 opposite to each other are respectively provided with a clamping block 5311. The clamping block 5311 is made of flexible materials and also plays a role in protecting the outer wall of the pipe fitting. Specifically, the clamping block 5311 is detachably disposed on the clamping block 531, so that the clamping block 531 can be replaced conveniently.

Referring to fig. 6 and 7, further, a third connecting plate 54 is vertically disposed between the first mounting plate 51 and the lifting assembly 52, two second sliding rails 541 are symmetrically and vertically disposed on the third connecting plate 54, a second sliding block 542 is slidably disposed on each of the second sliding rails 541, and a side wall of the second sliding block 542 is connected to a side wall of the first mounting plate 51; the top of the third connecting plate 54 is further provided with a fourth connecting plate 55, the fourth connecting plate 55 is in threaded connection with an adjusting screw 551, and the end of the adjusting screw 551 is connected with the top of the first mounting plate 51. When the pipe fitting is different in size, the height of the center of the pipe fitting is also different, so that the whole height of the lifting assembly 52 and the butt-clamping assembly 53 needs to be adjusted by arranging the adjusting screw 551. The specific operation is as follows: as the first mounting plate 51 is fixedly arranged on the bed body 1, and correspondingly, the second slider 542 is also fixedly arranged on the first mounting plate 51, referring to fig. 6, when the adjusting screw 551 rotates clockwise/counterclockwise, the second slide rail 541 moves downward under the action of the second slider 542, so as to drive the whole lifting assembly 52 and the butt-clamp assembly 53 to descend, so that the lifting driving cylinder 521 can clamp the pipe with a larger diameter when in an extended state; similarly, referring to fig. 7, when the adjusting screw 551 rotates counterclockwise/clockwise, the second slide rail 541 moves upward along the second slider 542, so as to drive the whole lifting assembly 52 and the opposite clamping assembly 53 to ascend, so that the lifting driving cylinder 521 can clamp the pipe with a smaller diameter when in an extended state. The applicability and the practicability of the laser pipe cutting machine can be improved through the arrangement. The utility model discloses a laser pipe cutting machine is applicable to cutting phi 10 ~ phi 100mm, and length is 6500 mm's pipe and highly is 10 ~ 75mm, the width is 10 ~ 75mm, length is 6500 mm's square pipe.

Referring to fig. 7, further, two ends of each of the second sliding rails 541 are provided with stoppers 5411. The limiting block 5411 is used for limiting the moving stroke of the second slide rail 541, and avoids hard collision between the top of the first mounting plate 51 and the bottom of the fourth connecting plate 55.

Referring to fig. 1-2 and 8, further, the supporting mechanism 6 includes: the device comprises a second mounting plate 61 connected with the lathe bed 1, a support driving cylinder 62 with an upward output end, and a reducing wheel 63 connected with the output end of the support driving cylinder 62; the middle part of the second mounting plate 61 is provided with a second avoidance hole 611 for the output end of the support driving cylinder 62 to pass through. In practical application, the support driving cylinder 62 only has two states of complete extension or complete contraction, the support of the pipe fittings with different pipe diameters is realized through the reducing wheel 63, and the reducing wheel 63 can be suitable for reducing the pipe fittings with the pipe diameters of 10-100 mm. The reducing wheels 63 are arranged to provide upward supporting force for the pipe fitting, the pipe fitting is matched with the clamping force in the left and right directions of the follow-up clamping mechanism 5, effective supporting and clamping of the pipe fitting are achieved, and therefore machining accuracy of the pipe fitting is guaranteed.

Referring to fig. 8, further, a fifth connecting plate 64 is arranged above the second mounting plate 61, the bottom of the fifth connecting plate 64 is connected to the output end of the support driving cylinder 62, two sixth connecting plates 65 are vertically arranged on the upper portion of the fifth connecting plate 64, and the reducing wheel 63 is rotatably arranged between the two sixth connecting plates 65; any end part of the reducing wheel 63 is provided with a plurality of positioning holes 631 distributed along the circumference, the side wall of the sixth connecting plate 65 is provided with a positioning pin 651, and the end part of the positioning pin 651 penetrates through the sixth connecting plate 65 to be arranged in the positioning holes 631. The fifth connecting plate 64 is arranged to increase the contact area with the output end of the support driving cylinder 62, so that the diameter-variable wheel 63 is stably supported. Before cutting the pipe fitting, the diameter-changing wheel 63 is rotated according to the pipe diameter of the pipe fitting, so that the corresponding positioning hole 631 corresponds to the positioning pin 651, and the diameter-changing wheel 63 is fixed.

Furthermore, the end face of the diameter-changing wheel 63 provided with the positioning hole 631 is provided with dials 66 in one-to-one correspondence with the positioning hole 631, so that an operator can adjust the orientation of the arc groove of the diameter-changing wheel 63 intuitively according to the pipe diameter of the pipe. Specifically, the arc groove is arranged along the circumferential direction in the middle of the diameter-changing wheel 63, and the opening of the arc groove is gradually arranged from small to large along the circumference.

Furthermore, a second linear bearing 612 and a second guiding column 613 arranged in the second linear bearing 612 are symmetrically arranged on the second mounting plate 61, and the support driving cylinder 62 is arranged between the two second guiding columns 613. Similarly, the second linear bearing 612 and the second guide post 613 are matched to ensure high transmission efficiency and low friction, and ensure the stability of the support driving cylinder 62 during extension or contraction, thereby reducing the vibration of the support mechanism 6 and ensuring the support effect of the pipe.

Further, two second limiting rubbers 641 are symmetrically arranged on the top of the fifth connecting plate 64, and the output end of the support driving cylinder 62 is arranged between the two second limiting rubbers 641. Similarly, the second limiting glue 641 is used to prevent the bottom of the fifth connecting plate 64 from rigidly colliding with the top of the second mounting plate 61 or the second linear bearing 612.

Furthermore, the first mounting plate 51 and the second mounting plate 61 are provided with waist-shaped holes 7 extending along the width direction of the bed 1. The kidney-shaped hole 7 is used for adjusting the positions of the follow-up clamping mechanism 5 and the supporting mechanism 6 on the lathe bed 1, so that the follow-up clamping mechanism 5 and the supporting mechanism 6 are always positioned in the middle of the lathe bed 1, and the pipe fitting is clamped by the front chuck 2 and the rear chuck 31 conveniently.

Referring to fig. 1-2 and 9, further, the moving mechanism 4 includes: a moving rail 41, a moving slider 42, a moving motor 43, a moving gear 44, and a moving rack 45; the moving rails 41 are arranged on the upper surfaces of the two sides of the bed body 1 and extend along the length direction of the bed body 1 respectively, moving sliders 42 matched with the moving rails 41 are arranged on the moving rails 41 in a sliding mode, and the tops of the moving sliders 42 are connected with the bottom of the workbench 3; the output end of the moving motor 43 is arranged downwards, penetrates through the workbench 3, and is in transmission connection with a moving gear 44 arranged below the workbench 3; the moving rack 45 is disposed inside the moving rail 41 and engages with the moving gear 44. In practical application, the moving motor 43 is a servo motor, and when the moving motor 43 operates, the moving gear 44 is driven to rotate, so that the workbench 3 moves along the extending direction of the moving rack 45 under the guiding action of the moving track 41 and the moving slider 42, and the pipe fitting on the rear chuck 31 is driven to move forwards or backwards along the extending direction of the lathe bed 1.

Further, two ends of any moving track 41 are respectively provided with a third limiting glue 411. The distance between the two third limiting rubbers 411 is the moving stroke of the workbench 3. The third limiting rubber 411 is used for preventing the hard collision between the workbench 3 and the front chuck 2 or the rear chuck 31.

Further, all be provided with updraft ventilator 8 on second motor 21, third motor 32 and the moving motor 43, updraft ventilator 8 is used for taking out the dust.

Referring to fig. 1-2, further, a plurality of adjusting foot cups 9 are disposed at the bottom of the bed 1, and the adjusting foot cups 9 are used for adjusting the height of the bed 1.

In summary, the utility model realizes the ascending or descending of the butt clamp assembly by arranging the lifting assembly, and avoids the rear chuck; the pipe fitting is clamped when the pipe fitting is machined by arranging the butt clamp assembly, and the pipe fitting is loosened when the pipe fitting rotates, moves forwards or moves backwards, so that follow-up clamping is realized; the pipe fitting is supported by arranging a supporting mechanism; the clamping and supporting device is simple in structure, can guarantee the clamping and supporting effects of the pipe fitting, avoids the pipe fitting from shaking, and is favorable for improving the machining precision of the pipe fitting. The clamping of the pipe fitting is realized by arranging the clamping block, the traction block and the opposite-clamping driving cylinder. The stability of the movement of the clamping block is ensured by arranging the first sliding rail and the first sliding block. Through setting up second slide rail, second slider and adjusting screw, realize adjusting the lifting unit and to pressing from both sides the whole height of subassembly, be convenient for adapt to the centre gripping of the pipe fitting of different pipe diameters. Support drive actuating cylinder and reducing wheel through setting up, realize the support to the pipe fitting. The limiting rubber and the limiting blocks are arranged to prevent rigid collision.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims (10)

1. A laser pipe cutter comprising: the laser welding machine comprises a machine body, a laser head, a first motor, a front chuck, a second motor, a workbench, a rear chuck, a third motor, a moving mechanism, a follow-up clamping mechanism and a supporting mechanism; the laser head and the front chuck are respectively arranged at the front end of the lathe bed, and the first motor is used for driving the laser head to move along an X axis and a Z axis; the second motor is used for driving the front chuck to rotate; the rear chuck is arranged on the workbench, and the third motor is used for driving the rear chuck to rotate; the moving mechanism is used for driving the workbench to slide on the bed body; its characterized in that, follow-up fixture with supporting mechanism sets up respectively in the lathe bed, follow-up fixture includes: the device comprises a first mounting plate connected with the lathe bed, a lifting assembly arranged on the side wall of the first mounting plate and a butt-clamping assembly connected with the lifting assembly; the lifting assembly is used for lifting or lowering the butt clamp assembly, and the butt clamp assembly is used for clamping or loosening the pipe fitting; the supporting mechanism is used for supporting the pipe fitting.

2. The laser pipe cutting machine according to claim 1, wherein the lifting assembly comprises a lifting driving cylinder with an upward output end and a top plate connected with the output end of the lifting driving cylinder, and a side wall of the top plate is connected with the butt clamp assembly; the butt clamp assembly comprises two clamp blocks which are symmetrically arranged and are arranged on the side wall of the top plate in a sliding mode and a butt clamp driving cylinder which is used for driving the two clamp blocks to be close to or far away from each other.

3. The laser pipe cutting machine according to claim 2, wherein the lifting assembly is arranged on a side wall of the first mounting plate through a first connecting plate, and a first avoidance hole through which an output end of the lifting driving cylinder passes is formed in the middle of the first connecting plate; first linear bearings and first guide posts arranged in the first linear bearings are symmetrically arranged on the first connecting plate, and the lifting driving cylinder is arranged between the two first guide posts.

4. The laser pipe cutter of claim 2, wherein the clamp assembly is disposed on a sidewall of the top plate via a second connecting plate; the second connecting plate is far away from lifting unit's lateral wall upper level is provided with first slide rail, it is provided with two first sliders to slide on the first slide rail, two the clamp splice corresponds the setting respectively on the first slider.

5. The laser pipe cutting machine according to claim 4, wherein the output end of the opposite-clamp driving cylinder is provided with a traction block, and the two clamp blocks are respectively connected with the traction block through a pull rod.

6. The laser pipe cutting machine according to claim 1, wherein a third connecting plate is vertically arranged between the first mounting plate and the lifting assembly, two second slide rails are symmetrically and vertically arranged on the third connecting plate respectively, a second slide block is slidably arranged on each second slide rail, and a side wall of each second slide block is connected with a side wall of the first mounting plate; the top of third connecting plate still is provided with the fourth connecting plate, threaded connection has adjusting screw on the fourth connecting plate, adjusting screw's end with the top of first mounting panel is connected.

7. The laser pipe cutter of claim 1, wherein the support mechanism comprises: the second mounting plate is connected with the lathe bed, the output end of the second mounting plate faces upwards, the support driving cylinder is arranged, and the reducing wheel is connected with the output end of the support driving cylinder; the middle part of second mounting panel is provided with the confession support the second that the output of driving actuating cylinder passed and dodge the hole.

8. The laser pipe cutting machine according to claim 7, wherein a fifth connecting plate is arranged above the second mounting plate, the bottom of the fifth connecting plate is connected with the output end of the support driving cylinder, two sixth connecting plates are vertically arranged on the upper portion of the fifth connecting plate, and the reducing wheel is rotatably arranged between the two sixth connecting plates; any end part of the reducing wheel is provided with a plurality of positioning holes distributed along the circumference, the side wall of the sixth connecting plate is provided with a positioning pin, and the end part of the positioning pin penetrates through the sixth connecting plate and is arranged in the positioning holes.

9. The laser pipe cutting machine according to claim 8, wherein a second linear bearing and a second guide post arranged in the second linear bearing are symmetrically arranged on the second mounting plate, and the support driving cylinder is arranged between the two second guide posts.

10. The laser pipe cutter of claim 1, wherein the movement mechanism comprises: the device comprises a moving track, a moving slide block, a moving motor, a moving gear and a moving rack; the movable rails are arranged on the upper surfaces of the two sides of the lathe bed and extend along the length direction of the lathe bed respectively, a movable sliding block matched with the movable rails is arranged on the movable rails in a sliding mode, and the top of the movable sliding block is connected with the bottom of the workbench; the output end of the moving motor is arranged downwards, penetrates through the workbench and is in transmission connection with a moving gear arranged below the workbench; the moving rack is arranged on the inner side of the moving track and is meshed with the moving gear.

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