CN216138324U

CN216138324U - Base of laser pipe cutting machine

Info

Publication number: CN216138324U
Application number: CN202120796160.7U
Authority: CN
Inventors: 梁建冬; 黄思薪; 杨红杰; 严君仪
Original assignee: Foshan Huibaisheng Laser Technology Co Ltd
Current assignee: Foshan Huibaisheng Laser Technology Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-03-29
Anticipated expiration: 2031-03-01
Also published as: CN215145788U

Abstract

The utility model is a divisional application of patent application with the patent application number of ' 202120442026.7 ', the application date of ' 3.1.2021 and named as ' a four-chuck laser pipe cutting machine '. The utility model discloses a base of a laser pipe cutting machine, which comprises a first sub-frame, a second sub-frame and a third sub-frame, wherein the bottoms of the first sub-frame, the second sub-frame and the third sub-frame are respectively provided with a foot margin assembly, the splicing position of the first sub-frame and the second sub-frame is provided with a front-back adjusting assembly and a vertical adjusting assembly, and the splicing position of the second sub-frame and the third sub-frame is also provided with a front-back adjusting assembly and a vertical adjusting assembly; the front and rear adjusting assembly comprises a first cushion block and a first screw, the first cushion block comprises a first connecting portion and an extending portion, the first connecting portion is fixedly connected with the first sub-frame, a first screw hole is formed in the extending portion, and the first screw is in threaded connection with the first screw hole and is abutted to the second sub-frame. The base improves the butt joint precision of the first sub-frame and the second sub-frame.

Description

Base of laser pipe cutting machine

The application is a divisional application of patent applications with the patent application number of 202120442026.7, the application date of 3.1.2021 and the name of 'a four-chuck laser pipe cutting machine'.

Technical Field

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

Background

With the maturity of laser cutting technology, laser cutting is widely applied in various fields of manufacturing industry due to economy and high efficiency, and great convenience is brought to cutting of pipe materials.

In order to realize real zero-tailing cutting, reduce raw material consumption, better clamp the pipe and improve cutting quality, the existing four-chuck laser pipe cutting machine can be used for cutting some heavy pipes. The existing four-chuck laser pipe cutting machine mainly comprises a base and four chucks capable of transversely sliding on the base, wherein the four chucks are coaxially arranged and can move independently, the four chucks can simultaneously clamp pipes during cutting, and pipe cutting machining is realized through synchronous rotation. The clamp on each chuck is generally driven by a motor to rotate a driving wheel arranged on the periphery of the clamp, so that a pipe clamped on the chuck by the clamp is driven to rotate, in order to ensure the transmission smoothness of the output wheel and the driving wheel and ensure the processing precision of a workpiece, a worker needs to frequently add lubricating oil on the output wheel and the driving wheel for maintenance, the maintenance period is short, and the workload is good; in addition, still need dismantle the parcel and just can lubricate the maintenance at the protective housing of output wheel for the drive wheel, work is loaded down with trivial details, pulls down the protective housing after, and the greasy dirt on protective housing and the drive wheel drips ground easily, influences workshop environment.

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

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention provides a base for a laser pipe cutting machine, which is intended to solve at least one of the technical problems in the prior art.

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

a four-chuck laser pipe cutting machine comprises a base, a laser cutting assembly, a first chuck, a second chuck, a third chuck and a fourth chuck, wherein the first chuck, the second chuck, the third chuck and the fourth chuck are arranged from left to right in sequence and are arranged on the base in a sliding mode;

the base comprises a first sub-frame, a second sub-frame and a third sub-frame which are sequentially arranged from left to right, wherein the bottoms of the first sub-frame, the second sub-frame and the third sub-frame are respectively provided with a ground pin assembly, a front-back adjusting assembly and a vertical adjusting assembly are arranged at the joint of the first sub-frame and the second sub-frame, and a front-back adjusting assembly and a vertical adjusting assembly are also arranged at the joint of the second sub-frame and the third sub-frame;

the front and back adjusting assembly comprises a first cushion block and a first screw, the first cushion block comprises a first connecting portion and an extending portion, the first connecting portion is fixedly connected with the first sub-frame, a first screw hole extending in the front and back direction is formed in the extending portion, and the first screw is in threaded connection with the first screw hole and is abutted to the second sub-frame.

As a sub-solution of the above technical solution, the first connecting portion includes a first mounting surface, the first mounting surface abuts against the first sub-frame, a plane where the first screw abuts against the second sub-frame is an abutting surface, and the first cushion block is provided with a groove on a side of the protruding portion opposite to the abutting surface, so that the protruding portion is located on a side of the first mounting surface opposite to the abutting surface.

As a sub-solution of the above technical solution, the number of the first cushion blocks is two, a first one of the first cushion blocks is disposed on the first sub-frame and abuts against a first screw connected to the first cushion block and the second sub-frame, and a second one of the first cushion blocks is disposed on the second sub-frame and abuts against a first screw connected to the second first cushion block and the first sub-frame.

As a sub-scheme of the above technical scheme, the number of the front and rear adjusting assemblies is two, and the two front and rear adjusting assemblies are arranged at intervals up and down.

As a sub-solution of the above technical solution, the foot assembly includes a foot pad and a screw rod connected to the foot pad, and the screw rod is in threaded connection with the first sub-frame or the second sub-frame.

As a subset of the above technical solutions, the vertical adjustment assembly includes a second cushion block, a third cushion block, a second screw and a third screw, the second cushion block includes a second connecting portion, a third connecting portion and a fourth connecting portion, the third connecting portion is located above the fourth connecting portion, the third connecting portion and the fourth connecting portion are both connected to the second connecting portion and extend out in the same direction, the second connecting portion is connected to the first subframe, the third cushion block is connected to the second subframe, the third cushion block is located between the third connecting portion and the fourth connecting portion, the second connecting portion is provided with a second screw hole penetrating through the second connecting portion toward the third cushion block, the third connecting portion is provided with a third screw hole penetrating through the third connecting portion toward the third cushion block, and the second screw passes through the second screw hole and abuts against the third cushion block, and the third screw penetrates through the third screw hole and is abutted to the third cushion block.

The laser cutting assembly is fixedly arranged in the middle of the base and is positioned between the second chuck and the third chuck; the first chuck, the second chuck, the third chuck and the fourth chuck respectively comprise a side hanging rack, a first driving motor, an output wheel, a driving wheel, a clamping device and a moving mechanism for driving the side hanging rack to move, the first driving motor is arranged on the side hanging rack and is in driving connection with the output wheel, the clamping device is arranged on the driving wheel, the output wheel is in transmission connection with the driving wheel, the side hanging frame is provided with a first lubricating part, the first lubricating part comprises a first shaft arranged on the side hanging frame and a first lubricating wheel rotationally connected with the first shaft, the first lubricating wheel is abutted against the periphery of the driving wheel, an oil blocking cover is arranged on the outer side of the driving wheel, the bottom of the oil blocking cover is provided with an oil return hole, the base is provided with an oil collecting groove extending along the length direction of the base, and the oil return hole is connected to the oil collecting groove through an oil return pipe.

The first lubricating wheel is made of a hole dredging material, an oil adding channel is arranged on the first shaft, one end of the oil adding channel is arranged on the outer surface of the first shaft, and the other end of the oil adding channel is arranged on the end surface of the first lubricating wheel deviating from the first shaft.

Moving mechanism includes first y axle guide rail, second y axle guide rail, third y axle guide rail, removal drive assembly and balladeur train, first y axle guide rail sets up the top surface of base, second y axle guide rail and third y axle guide rail all are located on the leading flank of base, second y axle guide rail is located the top of third y axle guide rail, the balladeur train pass through y axle slider simultaneously with first y axle guide rail, second y axle guide rail and third y axle guide rail sliding connection, the side hanger sets up on the leading flank of balladeur train.

Remove drive assembly and include second driving motor, y axle rack and first gear, second driving motor sets up on the balladeur train, y axle rack sets up just extend along its length direction on the top surface of base, second driving motor with first gear drive is connected, first gear with y axle rack meshing transmission, be equipped with on the balladeur train and be used for the lubrication the lubricated part of second of y axle rack.

The side hanging frame is characterized in that an oil supply assembly is further arranged on the side hanging frame and comprises an oil supply pump and a lubricating oil distributor, pressure valves are arranged at oil outlets on the lubricating oil distributor, the oil supply pump is connected with oil inlets of the lubricating oil distributor through pipelines, and oil outlets of the lubricating oil distributor are communicated with each oil adding channel through pipelines.

And each y-axis sliding block is provided with an oil lubrication interface, and the oil lubrication interface on each y-axis sliding block is connected with an oil outlet of the lubricating oil distributor through a connecting pipe.

The laser cutting assembly comprises a beam support arranged on a base, an x-axis sliding mechanism arranged on the beam support, a transverse sliding support arranged on the x-axis sliding mechanism, a z-axis sliding mechanism arranged on the transverse sliding support, a vertical sliding support arranged on the z-axis sliding mechanism, and a laser cutting head arranged at the bottom of the vertical sliding support, wherein the x-axis sliding mechanism is used for driving the transverse sliding support to move left and right, the z-axis sliding mechanism is used for driving the vertical sliding support to move up and down, the x-axis sliding mechanism comprises an x-axis guide rail and an x-axis rack which are arranged on the beam support, a third driving motor arranged on the transverse sliding support, and a second gear arranged on a main shaft of the third driving motor, the second gear is in meshing transmission with the x-axis rack, and the transverse sliding support is provided with a third lubricating part for lubricating the x-axis rack, the transverse sliding support is connected with the x-axis guide rail in a sliding mode through the x-axis sliding block.

The base includes that turn right from a left side and set gradually first sub-frame, second sub-frame and the third sub-frame of connecting, and the bottom of first sub-frame, second sub-frame and third sub-frame all is equipped with lower margin subassembly, and adjusting part and vertical adjusting part around the concatenation department of first sub-frame and second sub-frame is equipped with, and adjusting part and vertical adjusting part around the concatenation department of second sub-frame and third sub-frame also is equipped with.

Has the advantages that:

the front and back relative position and the vertical relative position of the adjacent sub-frames can be finely adjusted through the front and back adjusting assembly 15 and the vertical adjusting assembly 16, so that the butt joint precision of the adjacent sub-frames is improved, further, the butt joint precision of a first y-axis guide rail, a second y-axis guide rail and a third y-axis guide rail on each sub-frame is improved, through adjusting a first screw, the extension amount of the first screw is adjusted, the front and back relative position of the first sub-frame and the second sub-frame along the first screw hole is adjusted, and the butt joint precision of the first sub-frame and the second sub-frame is improved. In this embodiment, the first sub-frame and the second sub-frame are each formed with a position for mounting the guide rail. The guide rails on the first sub-frame and the second sub-frame are enabled to be in butt joint accurately through the adjusting screws.

Drawings

Fig. 1 is a perspective view of a four-chuck laser pipe cutter provided by the present invention.

Fig. 2 is a partial enlarged view of the region L1 in fig. 1.

Fig. 3 is a first schematic structural diagram of a fourth chuck in the four-chuck laser pipe cutting machine provided by the present invention.

Fig. 4 is a partial enlarged view of the region L2 in fig. 3.

Fig. 5 is a schematic structural diagram of a fourth chuck in the four-chuck laser pipe cutting machine provided by the present invention.

Fig. 6 is a schematic structural diagram of a laser cutting assembly in the four-chuck laser pipe cutting machine according to the present invention.

Fig. 7 is a schematic structural diagram of a third lubrication component for lubricating an x-axis sliding mechanism in the four-chuck laser pipe cutting machine provided by the present invention.

Fig. 8 is a first schematic diagram illustrating the splicing of a first sub-frame and a second sub-frame in the four-chuck laser pipe cutting machine provided by the present invention.

Fig. 9 is a partial schematic view of the region L3 in fig. 8.

Fig. 10 is a second schematic diagram illustrating the splicing of the first sub-frame and the second sub-frame in the four-chuck laser pipe cutting machine provided by the present invention.

Fig. 11 is a partial schematic view of the region L4 in fig. 10.

Description of the main element symbols: 1-base, 2-laser cutting assembly, 31-first chuck, 32-second chuck, 33-third chuck, 34-fourth chuck, 41-side hanger, 42-first drive motor, 43-output wheel, 44-driving wheel, 45-clamp, 46-moving mechanism, 47-oil blocking cover, 471-oil return hole, 472-oil return pipe, 51-first lubricating part, 511-first shaft, 512-first lubricating wheel, 513-oil adding channel, 52-second lubricating part, 521-second shaft, 523-second lubricating wheel, 53-third lubricating part, 461-first y-axis guide rail, 462-second y-axis guide rail, 463-third y-axis guide rail, 464-carriage, 465-y-axis slide block, 48-backing plate, 491-second driving motor, 492-y-axis rack, 493-first gear, 465-circular mounting groove, 466-eccentric mounting disc, 467-centripetal arc chute, 411-oil supply pump, 412-lubricating oil distributor, 21-cross beam bracket, 22-transverse sliding bracket, 23-vertical sliding bracket, 24-laser cutting head, 221-x-axis guide rail, 222-x-axis rack, 223-third driving motor, 224-second gear, 225-x-axis sliding block, 226-first dust cover, 231-lead screw, 232-z-axis guide rail, 233-fourth driving motor, 234-z-axis sliding block, 235-second dust cover, 11-first sub-frame, 12-second sub-frame, 13-third sub-frame, 14-foot assembly, 15-fore-and-aft adjustment assembly, 16-vertical adjustment assembly, 151-first cushion block, 153-first connecting part, 154-extending part, 155-first screw hole, 156-groove, 141-foot pad, 142-screw rod, 161-second cushion block, 162-third cushion block, 163-second connecting part, 164-third connecting part, 165-fourth connecting part, 166-first screw hole and 167-second screw hole.

Detailed Description

The utility model provides a four-chuck laser pipe cutting machine, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the utility model clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the scope of the utility model.

Herein, the y-axis direction is a length direction of the base 1, i.e., a front-rear direction; the x-axis direction is the width direction of the base 1, namely the moving direction of the chuck; the z-axis direction is a height direction of the base 1, i.e., a vertical direction.

Referring to fig. 1-5, the present invention provides a four-chuck laser pipe cutting machine, which includes a base 1, a laser cutting assembly 2, a first chuck 31, a second chuck 32, a third chuck 33, and a fourth chuck 34, which are sequentially arranged from left to right and slidably disposed on the base 1; the laser cutting assembly 2 is fixedly arranged in the middle of the base 1 and is positioned between the second chuck 32 and the third chuck 33; the first chuck 31, the second chuck 32, the third chuck 33 and the fourth chuck 34 each include a side hanger 41, a first driving motor 42, an output wheel 43, a driving wheel 44, a clamping device 45 and a moving mechanism 46 for driving the side hanger 41 to move, the first driving motor 42 is disposed on the side hanger 41, the first driving motor 42 is in driving connection with the output wheel 43, the clamping device 45 is disposed on the driving wheel 44, the output wheel 43 is in driving connection with the driving wheel 44, the side hanger 41 is provided with a first lubricating member 51, the first lubricating member 51 includes a first shaft 511 disposed on the side hanger 41 and a first lubricating wheel 512 rotatably connected with the first shaft 511, the first lubricating wheel 512 is abutted against the periphery of the driving wheel 44, an oil blocking cover 47 is disposed on the outer side of the driving wheel 44, and an oil return hole 471 is disposed at the bottom of the oil blocking cover 47, the base 1 is provided with an oil collecting groove 473 extending along the length direction of the base, and the oil return hole 471 is connected to the oil collecting groove 473 through an oil return pipe 472.

In practical application, as shown in fig. 1 and fig. 2, a feeding area 181 is located between the first chuck 31 and the second chuck 32, and a discharging area 182 is located between the third chuck 33 and the fourth chuck 34; the first chuck 31 and the fourth chuck 34 are symmetrically arranged, wherein the clamping device 45 is a multi-jaw clamping chuck; in this embodiment, the clamping device 45 on the first chuck 31 and the fourth chuck 34 is a four-jaw clamping chuck, and when the four-jaw clamping chuck clamps the pipe, the outer wall of the clamped pipe is closed or the inner wall of the pipe is opened to tightly push the pipe to position the pipe, so that the four-jaw clamping chuck can clamp the pipe with larger size span. And the grippers of the second chuck 32 and the third chuck 33 are roller jaw chucks; the pipe can pass through the roller claw type chuck, and the rollers on the roller claw type chuck are folded and pressed on the outer wall of the pipe to realize clamping and positioning.

When the machining is started, the first chuck 31 and the second chuck 32 clamp the pipe and send the pipe to the laser cutting assembly 2 for machining; in the machining process, the pipe can move or turn along the y axis along with the machining requirement, and the laser cutting assembly 2 can move along the x axis or the z axis to realize laser cutting machining; in order to reduce the shaking of the pipe and improve the coaxial and linear processing precision, the third chuck 33 and the fourth chuck 34 can participate in supporting and clamping the pipe, and especially when a great number of process patterns are cut on the whole long pipe, the two ends of the pipe are clamped through the first chuck 31 and the fourth chuck 34, and even if the pipe has more processing points, the pipe cannot be heated and distorted. When the tail section of the pipe is machined, the pipe is clamped through the third chuck 33 and the fourth chuck 34, the laser cutting assembly 2 carries out laser machining on the tail end of the pipe, so that the two ends of the pipe are cut without blind areas, and zero tailing cutting is realized.

When the pipe needs to be turned over, the first driving motor 42 drives the output wheel 43 to rotate, the clamping device 45 is driven to rotate by a set angle under the transmission engagement of the output wheel 43 and the driving wheel 44, meanwhile, the first lubricating wheel 512 is pressed against the driving wheel 44, lubricating oil is coated on each transmission gear of the driving wheel 44 along with the rotation of the driving wheel 44, and then the lubricating oil is brought to the output wheel 43, so that the driving wheel 44 and the output wheel 43 carry away the lubricating oil in the working process to realize self-lubrication. In addition, the oil blocking cover 47 arranged on the periphery of the driving wheel 44 not only can protect the driving wheel 44, but also can block lubricating oil splashed out when the driving wheel 44 acts, and the lubricating oil is guided to the bottom of the inner cavity of the oil blocking cover 47 along the inner wall of the oil blocking cover 47; then, the lubricating oil is guided by the oil return pipe 472 and discharged to the oil collecting groove 473, that is, the lubricating oil generated by the first lubricating parts 51 on the four chucks flows back to the oil collecting groove 473, so that the subsequent uniform treatment is facilitated, the recycling is performed, and the lubricating oil is prevented from polluting the workshop environment.

Specifically, referring to fig. 4, the first lubricating wheel 512 is made of a porous material, the first shaft 511 is provided with an oil adding channel 513, and one end of the oil adding channel 513 is arranged on the outer surface of the first shaft 511 to form an oil outlet; the other end is opened on the end face of the first shaft 511 departing from the first lubricating wheel 512 to form an oil filling port. Thus, the lubricating oil is supplied to the oil supply passage 513, and the lubricating oil flows into the first lubricating wheel 512 through the oil supply passage 513, and the lubricating oil is supplied to the outer periphery of the driving wheel 44 through the first lubricating wheel 512, so that the driving wheel 44 and the output wheel 43 are kept lubricated for a long time.

Preferably, the lubricating roller is made of felt or cotton fiber materials, and the felt or the cotton fiber materials have good liquid retaining performance and can well retain lubricating oil.

Further, referring to fig. 3 and 5, the moving mechanism 46 includes a first y-axis guide 461, a second y-axis guide 462, a third y-axis guide 463, a moving driving component and a carriage 464, the first y-axis guide 461 is disposed on the top surface of the base 1, the second y-axis guide 462 and the third y-axis guide 463 are both disposed on the front side surface of the base 1, the second y-axis guide 462 is located above the third y-axis guide 463, the carriage 464 is simultaneously slidably connected to the first y-axis guide 461, the second y-axis guide 462 and the third y-axis guide 463 by a y-axis slider 465, the first y-axis guide rail 461, the second y-axis guide rail 462 and the third y-axis guide rail 463 are arranged in an inverted "L" shape, and accordingly, the carriage 464 is also arranged in an inverted "L" shape, which is beneficial to improving the sliding stability of the carriage 464 and stabilizing the movement of the first driving motor 42 and the clip device 45 arranged on the side hanging frame 41. In addition, the side hanger 41 is provided on the front side surface of the carriage 464, and the moving member effects movement of the side hanger 41 and the clip 45 provided on the side hanger 41 to fit pipes of different lengths for clamping.

In this embodiment, referring to fig. 3, the carriage 464 is connected to the side hanger 41 through a backing plate 48, the side hanger 41 is fixedly disposed on the backing plate 48, the backing plate 48 is detachably connected to both the side hanger 41 and the carriage 464, and the coaxiality of all the chucks is the same by fine-adjusting the height of the backing plate 48 and replacing the backing plate 48 with a proper thickness, so as to ensure the machining accuracy.

Further, referring to fig. 5 and 6, the moving driving assembly includes a second driving motor 491, a y-axis rack 492, and a first gear 493, the second driving motor 491 is disposed on the carriage 464, the y-axis rack 492 is disposed on the top surface of the base 1 and extends along the length direction thereof, the second driving motor 491 is drivingly connected to the first gear 493, the first gear 493 is in meshing transmission with the y-axis rack 492, and the carriage 464 is provided with a second lubricating member 52 for lubricating the y-axis rack 492. The moving driving assembly adopts a structural form that the second driving motor 491 drives the y-axis rack 492 and the first gear 493 to move, and has the advantages of high adjusting precision and high adjusting speed. The second lubricating member 52 includes a second shaft 521 vertically provided on the carriage 464 and a second lubricating wheel 523 rotatably connected to the second shaft 521, the second lubricating wheel 523 abuts against the outer periphery of the y-axis rack 492, and the second shaft 521 is also provided with an oil supply passage 513 in order to supply lubricating oil to the second lubricating wheel 523.

Preferably, referring to fig. 5, a circular mounting groove 465 is formed on the carriage 464, and the main shaft of the second driving motor 491 is eccentrically connected with an eccentric mounting plate 466, that is, the axis of the output shaft of the second driving motor 491 is not collinear with the central axis of the eccentric mounting plate 466; the eccentric mounting plate 466 is fittingly mounted in the circular mounting groove 465. During assembly, the position of the main shaft of the second driving motor 491 is changed by rotating the eccentric mounting disc 466, that is, the position of the first gear 493 can be adjusted, so that the mounting gap between the first gear 493 and the y-axis rack 492 is adjusted, and the smoothness and reliability of the movement of the first gear 493 and the y-axis rack 492 are further ensured. Be provided with the hole of dodging that the main shaft that supplies second driving motor 491 passes through on the eccentric mounting dish 466, be equipped with two at least centripetal circular arc spout 467 on the eccentric mounting dish 466, the adjustment is distributed along the circumference of eccentric mounting dish to centripetal circular arc spout 467, and centripetal circular arc spout 467 on the eccentric mounting dish 466 passes through adjusting screw and can dismantle with the bottom surface of circular mounting groove 465 and be connected, and centripetal circular arc spout can dodge adjusting screw, loosens adjusting screw, can rotate eccentric mounting dish 6 and change the position of second driving motor main shaft. Similarly, the first driving motor 42 is also mounted on the top of the side hanger 41 in the same mounting manner, so that the mounting gap between the output wheel 43 and the driving wheel 44 can be adjusted conveniently, and the smoothness and reliability of the movement of the output wheel 43 and the driving wheel 44 can be further ensured.

In order to facilitate the supplement of the lubricating oil on the lubricating wheel, as shown in fig. 3 to 6, an oil supply assembly is further disposed on the side hanger 41, the oil supply assembly includes an oil supply pump 411 and a lubricating oil distributor 412, an inlet pipe of the oil supply pump 411 is connected to an oil tank, an outlet pipe of the oil supply pump 411 is connected to an oil inlet of the lubricating oil distributor 412 through a pipe, and an oil outlet of the lubricating oil distributor 412 is communicated with each oil adding channel 513 through a pipe. The oil outlets of the lubricating oil distributor 412 are all provided with one-way pressure valves, and the stable oil outlet pressure is ensured by the one-way pressure valves, so that backflow cannot occur.

In order to further improve the moving smoothness of the sliding frame 464, an oil lubrication interface is arranged on each y-axis sliding block 465, and the oil lubrication interface on each y-axis sliding block 465 is connected with an oil outlet of the lubricating oil distributor 412 through a connecting pipe. The staff control supplies oil pump 411 can be with lubricating oil through lubricating oil distributor 412 transport to y axle slider 465 in, the routine maintenance of being convenient for reduces the resistance that exists between y axle slider 465 and first y axle guide rail, second y axle guide rail and the third y axle guide rail.

Preferably, referring to fig. 7 and 6, the laser cutting assembly 2 includes a beam support 21 disposed on the base 1, an x-axis sliding mechanism disposed on the beam support 21, a transverse sliding support 22 disposed on the x-axis sliding mechanism, a z-axis sliding mechanism disposed on the transverse sliding support 22, a vertical sliding support 23 disposed on the z-axis sliding mechanism, and a laser cutting head 24 disposed at the bottom of the vertical sliding support 23, wherein the x-axis sliding mechanism is used for driving the transverse sliding support 22 to move left and right, the z-axis sliding mechanism is used for driving the vertical sliding support 23 to move up and down, the x-axis sliding mechanism includes an x-axis guide rail 221 and an x-axis rack 222 disposed on the beam support 21, a third driving motor 223 mounted on the transverse sliding support 22, and a second gear 224 disposed on a main shaft of the third driving motor 223, the second gear 224 is engaged with the x-axis rack 222, the transverse sliding support 22 is provided with a third lubricating part 53 for lubricating the x-axis gear rack 222, and the transverse sliding support 22 is connected with the x-axis guide rail 221 in a sliding manner through an x-axis sliding block 225.

During operation, the third driving motor 223 drives the second gear 224 to rotate, and under the transmission engagement of the second gear 224 and the x-axis rack 222, the transverse sliding support 22 moves along the x-axis direction, so as to drive the laser cutting head 24 to move along the x-axis direction, and meanwhile, the third lubricating part 53 realizes lubricating contact on the x-axis rack 222 or the second gear 224, so that the x-axis rack 222 and the second gear 224 can also carry away lubricating oil in the working process to realize self-lubricating, thereby continuously lubricating the x-axis sliding mechanism, and ensuring the smoothness of the movement of the x-axis sliding mechanism. When the laser cutting head 24 needs to move along the z-axis direction, the z-axis sliding mechanism drives the vertical sliding support 23 and the laser cutting head 24 arranged on the vertical sliding support 23 to move vertically.

Similarly, as shown in fig. 7, the third lubricating member 53 includes a third shaft 531 vertically disposed on the lateral sliding bracket 22 and a third lubricating wheel 532 rotatably connected to the third shaft 531, the third lubricating wheel 532 abuts against the outer periphery of the x-axis rack 222, and in order to facilitate lubricating oil replenishment to the third lubricating wheel 532, an oil replenishment passage 513 is also disposed on the third shaft 531 and is connected to the oil supply unit through a pipe.

Preferably, referring to fig. 7, two sides of the transverse sliding bracket 22 are respectively provided with a first dust cover 226 for covering the x-axis guide rail 221, one end of the first dust cover 226 is fixedly connected with the transverse sliding bracket 22, and the other end is fixed on the cross beam bracket 21. The first dust cover 226 can be folded or unfolded, and the first dust cover 226 can prevent chips from splashing onto the x-axis guide rail 221 and the x-axis rack 222 to influence the moving precision of the transverse sliding bracket 22; it should be appreciated that for ease of illustration of the x-axis guide rails 221 and the x-axis rack 222, one of the first dust covers 226 is not affixed to the cross beam bracket 21.

Preferably, referring to fig. 6, the z-axis sliding mechanism includes a lead screw 231 extending vertically, a lead screw nut (not visible in the drawing) sleeved on the lead screw 231, a z-axis guide rail 232 arranged on the vertical sliding support 23, and a fourth driving motor 233 for driving the lead screw 231 to rotate, the fourth driving motor 233 is fixedly arranged at the top of the vertical sliding support 23, the lead screw nut is fixedly connected with the horizontal sliding support 22, and the horizontal sliding support 22 is slidably connected with the z-axis guide rail 232 through a z-axis slider 234. The fourth driving motor 233 drives the vertical sliding support 23 and the component disposed on the vertical sliding support 23 to move vertically by driving the lead screw 231 to rotate. The lead screw 231 has the advantages of high transmission precision, long service life and stable work, and the moving displacement precision of the laser cutting machine along the z-axis direction is improved.

Preferably, the beam bracket 21 is L-shaped and made of a profile, so as to reduce weight and maintain sufficient structural strength; in order to further ensure the structural strength of the beam support 21, the beam support 21 is provided with a reinforcing rib, so that the laser cutting machine still has high precision under high-speed movement.

Similarly, in order to prevent the chips from splashing on the z-axis guide rail 232 and the z-axis slider 234, a second dust cover 235 for covering the z-axis guide rail 232 is disposed on the vertical sliding support 23, one end of the second dust cover 235 is fixedly connected to the lateral sliding support 22, and the other end is fixed to the vertical sliding support 23. For ease of illustration of the z-axis guide 232, lead screw 231, and z-axis slide 234, a second dust shield 235 is not affixed to the lateral slide support 22.

Preferably, referring to fig. 1, 8 and 11, the base 1 includes a first sub-frame 11, a second sub-frame 12 and a third sub-frame 13 which are sequentially connected from left to right, a front-back adjusting assembly 15 and a vertical adjusting assembly 16 are arranged at a joint of the first sub-frame 11 and the second sub-frame 12, and a front-back adjusting assembly 15 and a vertical adjusting assembly 16 are also arranged at a joint of the second sub-frame 12 and the third sub-frame 13; the bottoms of the first sub-frame 11, the second sub-frame 12 and the third sub-frame 13 are provided with the foot margin assemblies 14, the relative height between the adjacent sub-frames can be changed through the foot margin assemblies, and the front and back relative positions and the vertical relative positions of the adjacent sub-frames can be finely adjusted through the front and back adjusting assemblies 15 and the vertical adjusting assemblies 16, so that the butt joint precision of the adjacent sub-frames is improved, and the butt joint precision of the first y-axis guide rail, the second y-axis guide rail and the third y-axis guide rail on each sub-frame is further improved. In this embodiment, the length of the first sub-frame, the second sub-frame, and the third sub-frame after splicing can reach 27m, and the movable stroke of the pipe is 24 m.

For convenience of explaining the structures of the front-back adjusting assembly 15 and the vertical adjusting assembly 16, the splicing condition of the first sub-frame and the second sub-frame is described below, and the splicing condition of the second sub-frame and the third sub-frame is the same, so the details are not repeated.

Specifically, referring to fig. 9, the front-rear adjusting assembly 15 includes a first cushion block 151 and a first screw, the first cushion block 151 includes a first connecting portion 153 and an extending portion 154, the first connecting portion 153 is fixedly connected to the first sub-frame 11, the extending portion 154 is provided with a first screw hole 155 extending in the front-rear direction, and the first screw is in threaded connection with the first screw hole 155 and abuts against the second sub-frame 12. Therefore, the first screw is adjusted, the extending amount of the first screw is adjusted, and the front-back relative position of the first sub-frame 11 and the second sub-frame 12 along the first screw hole 155 is adjusted, so that the butt joint precision of the first sub-frame 11 and the second sub-frame 12 is improved. In the present embodiment, the first sub-frame 11 and the second sub-frame 12 are each formed with a position for mounting a rail. The guide rails on the first sub-frame 11 and the second sub-frame 12 are facilitated to be precisely butted by adjusting screws.

Further, referring to fig. 9, the first connection portion 153 includes a first mounting surface, the first mounting surface abuts against the first sub-frame 11, a plane where the first screw abuts against the second sub-frame 12 is an abutting surface, and a groove 156 is formed in the first cushion block 151 on a side of the protruding portion 154 opposite to the abutting surface, so that the protruding portion 154 is located on a side of the first mounting surface opposite to the abutting surface. Thus, the recess 156 allows the protrusion 154 to be located on the side of the first mounting surface opposite to the abutting surface, so that the adjustable space between the first sub-frame 11 and the second sub-frame 12 is larger when the positions of the two sub-frames are adjusted. Especially when the first sub-frame 11 and the second sub-frame 12 are identical parts, the provision of the groove 156 enables the second sub-frame 12 to be adjusted in both directions along the hole axis of the first screw hole 155.

Further, the number of the first cushion blocks 151 is two, a first one of the first cushion blocks 151 is disposed on the first sub-frame 11 and abuts against the second sub-frame 12 with a first screw connected to the first cushion block 151, and a second one of the first cushion blocks 151 is disposed on the second sub-frame 12 and abuts against the first sub-frame 11 with a first screw connected to the second first cushion block 151. The arrangement of the two first spacers 151 symmetrically connecting the first sub-frame 11 and the second sub-frame 12 is advantageous to improve the connection strength of the first sub-frame 11 and the second sub-frame 12.

Furthermore, the number of the front and rear adjusting assemblies is two, and the front and rear adjusting assemblies are arranged symmetrically up and down. Two sets of front and back adjusting parts are symmetrically arranged up and down, so that the adjusting precision can be improved, and the deviation caused by material deformation can be improved.

Referring to fig. 8, the foot assembly 14 includes a foot pad 141 and a screw 142 connected to the foot pad 141, and the screw 142 is threadedly connected to the first sub-frame 11 or the second sub-frame 12. Thus, the height of the first sub-frame 11 or the second sub-frame 12 can be changed by rotating the screw 142.

Further, referring to fig. 11, the vertical adjustment assembly 16 includes a second cushion block 161, a third cushion block 162, a second screw and a third screw, the second cushion block 161 includes a second connection portion 163, a third connection portion 164 and a fourth connection portion 165, the third connection portion 164 is located above the fourth connection portion 165, the third connection portion 164 and the fourth connection portion 165 are both connected to the second connection portion 163 and extend in the same direction, the second connection portion 163 is connected to the first sub-frame 11, the third cushion block 162 is connected to the second sub-frame 12, the third cushion block 162 is located between the third connection portion 164 and the fourth connection portion 165, a second screw hole 166 penetrating through the second connection portion 163 towards the third cushion block 162 is formed in the second connection portion 163, a third screw hole 167 penetrating through the third connection portion 164 towards the third cushion block 162 is formed in the third connection portion 164, the second screw passes through the second screw hole 166 and abuts against the third block 162, and the third screw passes through the third screw hole 167 and abuts against the third block 162. Thereby, by rotating the third screw, the second screw and the third screw, the relative height between the first sub-frame 11 and the second sub-frame 12 can be adjusted.

Preferably, the two first spacers 151 are provided with first locking holes 171, and the two first spacers are locked by the first locking holes 171 and the bolts. After the first sub-frame and the second sub-frame finish fine adjustment and positioning, the second cushion block 161 and the third cushion block 162 are also provided with a second locking hole 172, and the second cushion block 161 and the third cushion block 162 are locked by the second locking hole 172 and a bolt.

It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. The utility model provides a base of laser pipe cutting machine which characterized in that:

2. The base of a laser pipe cutter as defined in claim 1, wherein: the first connecting portion comprises a first mounting surface, the first mounting surface is abutted to the first sub-frame, a plane where the first screw is abutted to the second sub-frame is taken as an abutting surface, and a groove is formed in one side, opposite to the abutting surface, of the extending portion of the first cushion block, so that the extending portion is located on one side, opposite to the abutting surface, of the first mounting surface.

3. The base of a laser pipe cutter as defined in claim 2, wherein: the first cushion blocks are arranged on the first sub-frame and are abutted to first screws connected to the first cushion blocks and the second sub-frame, and the second cushion blocks are arranged on the second sub-frame and are abutted to first screws connected to the second first cushion blocks and the first sub-frame.

4. The base of a laser pipe cutter as claimed in any one of claims 1 to 3, wherein: the number of the front and back adjusting assemblies is two, and the front and back adjusting assemblies are arranged at intervals up and down.

5. The base of a laser pipe cutter as defined in claim 4, wherein: the lower margin subassembly includes the callus on the sole and connects the screw rod on the callus on the sole, the screw rod with first sub-frame or second sub-frame threaded connection.

6. The base of a laser pipe cutter as defined in claim 1, wherein: the vertical adjusting component comprises a second cushion block, a third cushion block, a second screw and a third screw, the second cushion block comprises a second connecting part, a third connecting part and a fourth connecting part, the third connecting part is positioned above the fourth connecting part, the third connecting part and the fourth connecting part are both connected with the second connecting part and extend out in the same direction, the second connecting part is connected with the first sub-frame, the third cushion block is connected with the second sub-frame, the third cushion block is positioned between the third connecting part and the fourth connecting part, a second screw hole penetrating through the second connecting part towards the third cushion block is arranged on the second connecting part, a third screw hole penetrating through the third connecting part towards the third cushion block is arranged on the third connecting part, and the second screw penetrates through the second screw hole and abuts against the third cushion block, and the third screw penetrates through the third screw hole and is abutted to the third cushion block.