CN117680840A

CN117680840A - Laser cutting machine

Info

Publication number: CN117680840A
Application number: CN202311757945.3A
Authority: CN
Inventors: 陆钦海
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-20
Filing date: 2023-12-20
Publication date: 2024-03-12

Abstract

The invention relates to the technical field of pipe laser cutting machines and discloses a laser cutting machine. Including the chassis, the chassis rigid coupling has the grudging post, the grudging post rigid coupling has the sleeve pipe, the sleeve pipe is provided with connecting axle and solid fixed ring, solid fixed ring rotates and is connected with the swivel becket, the swivel becket rigid coupling has the fixed shell, fixed shell sliding connection has laser cutting machine, laser cutting machine is provided with the gag lever post, gu fixed ring is provided with the carriage that the mirror image was arranged, the mirror image is arranged be provided with the link that the mirror image was arranged between the carriage, the carriage with the link all be provided with the gag lever post complex spacing groove of laser cutting machine. According to the invention, the spacing rod of the laser cutting machine is limited by the spacing groove of the sliding frame and the spacing groove of the connecting frame, so that the distance of the laser cutting machine in the process of cutting the square steel pipe is always kept consistent, and uneven cutting caused by overlarge distance change between the laser cutting machine and the square steel pipe in the cutting process is avoided.

Description

Laser cutting machine

Technical Field

The invention relates to the technical field of pipe machining and discloses a laser cutting machine.

Background

The polygonal steel pipe is a steel pipe with a polygonal cross section, and is commonly used in pipeline systems in the fields of construction, engineering, agriculture and the like because of the advantages of larger strength and rigidity, various connection and installation modes and the like, wherein the square steel pipe is more widely applied due to low manufacturing cost, attractive appearance, practicability, convenience in processing and welding.

In the use process of square steel pipes, the square steel pipes are usually required to be cut, and in the cutting process of the square steel pipes, due to the shape of the outer sides of the square steel pipes, the distance between a cutting device and the square steel pipes is difficult to keep consistent all the time by staff, so that the cutting of all the areas of the square steel pipes is different, and even the phenomenon of incomplete cutting occurs.

Disclosure of Invention

The invention provides a laser cutting machine, which aims to overcome the technical defects that in the cutting process of the opposite steel pipe, a certain distance is difficult to be kept between a cutting device and a square steel pipe all the time, so that the cutting of each area of the cut square steel pipe has difference and even the cutting is not in place.

The technical proposal is as follows: the utility model provides a laser cutting machine, includes the chassis, the chassis rigid coupling has the U-shaped frame that grudging post and mirror image were arranged, the grudging post rigid coupling has the sleeve pipe, the sleeve pipe is provided with connecting axle and solid fixed ring, gu fixed ring rotates and is connected with the swivel becket, the swivel becket rigid coupling has outer ring gear, driving motor is installed to the solid fixed ring, driving motor's output shaft rigid coupling have with the driving gear of outer ring gear meshing, the swivel becket rigid coupling has the fixed shell, fixed shell sliding connection has the laser cutting machine, the laser cutting machine is provided with the gag lever post, the laser cutting machine with be provided with first elastic element between the fixed shell, the solid fixed ring is provided with the carriage that the mirror image was arranged, be provided with the link that the mirror image was arranged between the carriage, the connecting axle with adjacent the link rigid coupling, the carriage with the link all be provided with the gag lever post complex spacing groove of laser cutting machine, the spacing groove of carriage and mirror image are arranged the spacing groove all communicates.

Preferably, the U-shaped frame is provided with a groove, and the groove of the U-shaped frame is used for limiting the pipe.

Preferably, the axis of the U-shaped frame groove, the axis of the fixed ring, the axis of the outer ring gear, the axis of the rotating ring and the axis of the carriage arranged in mirror image are coplanar in the vertical direction.

Preferably, the device further comprises a deflection mechanism for deflecting the fixed ring, the deflection mechanism is arranged on the connecting frame close to the sleeve, the sleeve is rotationally connected with the connecting shaft, the sleeve is rotationally connected with the fixed ring, the fixed ring is in sliding connection with the sliding frame which is arranged in a mirror image manner, the sliding frame is in sliding connection with the adjacent connecting frame, the deflection mechanism comprises a second elastic element which is arranged in a mirror image manner, the second elastic element which is arranged in a mirror image manner is fixedly connected between the adjacent connecting frame and the adjacent sliding frame respectively, the connecting shaft is fixedly connected with a handle, the sliding frame is fixedly connected with a limiting long rod, one end of the sleeve close to the connecting frame is fixedly connected with an L-shaped bracket, and the L-shaped bracket is provided with a transmission assembly which is used for enabling the sliding frame to move relatively with the connecting frame which is arranged in a mirror image manner.

Preferably, the fixing points of the connecting shaft and the adjacent connecting frames are positioned at the midpoints of the adjacent connecting frames, namely, the axes of the connecting shaft and the axes of the pipes are in the same horizontal plane and are perpendicular to each other.

Preferably, the transmission assembly comprises a reversing gear set, the reversing gear set is arranged on the L-shaped support, the input end of the reversing gear set is fixedly connected with the connecting shaft, one end, close to the connecting frame, of the sleeve is rotationally connected with a rotating sleeve, the rotating sleeve is fixedly connected with a cam, the limiting long rod is matched with the cam, and the output end of the reversing gear set is fixedly connected with the rotating sleeve.

Preferably, when the carriage in mirror image arrangement deflects, the distance between the limit groove of the carriage and the pipe remains unchanged.

Preferably, when the sliding frame and the connecting frame which are arranged in a mirror image form move relatively, the limiting groove of the sliding frame is communicated with the limiting groove of the connecting frame.

Preferably, the pipe clamping device further comprises a friction mechanism for keeping the connecting shaft stable, the friction mechanism is arranged on the connecting shaft and comprises a friction ring, the friction ring is connected with the connecting shaft through a spline, the friction ring is matched with the vertical frame, the friction ring is fixedly connected with a movable ring, a third elastic element is fixedly connected between the friction ring and the handle, and a clamping mechanism for clamping the pipe is arranged on the U-shaped frame.

Preferably, the clamping mechanism comprises an electric push rod, the electric push rod is mounted on the U-shaped frame, a connecting plate is fixedly connected to the telescopic end of the electric push rod, a slide rod is connected to the connecting plate in a sliding mode, a fourth elastic element is fixedly connected between the slide rod and the adjacent connecting plate, and an extruding plate is fixedly connected to the slide rod.

The beneficial effects of the invention are as follows:

1. according to the invention, the spacing rod of the laser cutting machine is limited by the spacing groove of the sliding frame and the spacing groove of the connecting frame, so that the distance between the laser cutting machine and the square steel pipe in the cutting process of the opposite steel pipe is always kept consistent, uneven cutting and even partial area cutting failure are avoided due to overlarge distance change between the laser cutting machine and the square steel pipe in the cutting process, and the cutting effect of the opposite steel pipe is improved;

2. the sliding frames arranged in a mirror image mode are enabled to move back in the process of deflecting the fixed ring, so that the distance between the laser cutting machine and the square steel pipe is kept constant, and the situation that when the laser cutting machine deflects along with the fixed ring and is positioned in the upper and lower areas of the square steel pipe, the distance between the laser cutting machine and the square steel pipe is too small is prevented, so that the laser cutting machine cuts the square steel pipe excessively and damages the square steel pipe, and the oblique cutting effect of the square steel pipe is improved;

3. the movable ring is tightly attached to the vertical frame under the action of the elastic force of the third elastic element, the stability of the connecting shaft is kept by virtue of the friction force between the movable ring and the vertical frame, the stability of the laser cutting machine when the opposite steel pipe is obliquely cut is ensured, and the cutting effect of the opposite steel pipe is further improved;

4. the force generated by the stretched fourth elastic element is transmitted to the extrusion plate and fixes the square steel pipe, so that the stability of the square steel pipe in the cutting process is ensured, the square steel pipe is prevented from unnecessarily shaking due to external factors, the cutting process is influenced, and the cutting effect of the opposite steel pipe is improved.

Drawings

FIG. 1 is a schematic perspective view of the whole front view of the present invention;

FIG. 2 is a schematic diagram of the overall right-view perspective of the present invention;

FIG. 3 is a schematic perspective view of the present invention showing the relative rotation of the fixed ring and the rotary ring;

FIG. 4 is an exploded view of the solid construction of the stationary ring, the rotating ring and the connecting shaft and parts thereon of the present invention;

FIG. 5 is a schematic perspective view of the sliding frame and the connecting frame of the present invention when sliding relatively;

FIG. 6 is a schematic perspective view of the sleeve and the connecting shaft of the present invention;

FIG. 7 is a schematic perspective view of the spacing pole of the present invention engaged with a cam;

FIG. 8 is a schematic perspective view of the moving ring of the present invention when it moves forward;

fig. 9 is a schematic perspective view of the extrusion plate of the present invention when extruding square steel pipes.

Reference numerals illustrate: 1-underframe, 2-vertical frame, 3-U-shaped frame, 401-sleeve, 402-connecting shaft, 5-fixed ring, 6-external gear ring, 7-rotating ring, 8-driving motor, 9-fixed shell, 10-laser cutting machine, 11-first elastic element, 1201-sliding frame, 1202-connecting frame, 1203-second elastic element, 1301-handle, 1302-limit long rod, 1303-L-shaped bracket, 1304-reversing gear set, 1305-rotating sleeve, 1306-cam, 1401-friction ring, 1402-moving ring, 1403-third elastic element, 1501-electric push rod, 1502-connecting plate, 1503-sliding rod, 1504-fourth elastic element, 1505-extrusion plate.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, based on which all other embodiments, which a person having ordinary skill in the art may obtain without inventive effort, belong to the scope of protection of the present invention, although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Example 1: 1-5, including the chassis 1, the middle part rigid coupling of chassis 1 upside has the grudging post 2, the upside rigid coupling of chassis 1 has two U-shaped framves 3 of controlling mirror image arrangement, the middle part of two U-shaped framves 3 upside all is provided with the recess, and the axis coincidence of two recesses, the cross-section shape of U-shaped framves 3 recess is the rectangle, and the length of this rectangle is the same with the limit length of tubular product, be used for spacing tubular product, thereby reduce the degree of freedom number when cutting of tubular product, and then improve stability, this tubular product is square steel pipe (follow-up is described with square steel pipe), the middle part of grudging post 2 front side is provided with circular through-hole, the circular through-hole department rigid coupling of grudging post 2 has sleeve 401, and the leading flank of sleeve 401 and the leading flank of grudging post 2 are coplanar, sleeve 401 is cylindric and is provided with connecting axle 402 therein, the middle part of the sleeve 401 is provided with a fixed ring 5, the right part of the inner side of the fixed ring 5 is rotationally connected with a rotating ring 7, the right side of the rotating ring 7 is fixedly connected with an outer gear ring 6, the outer gear ring 6 is positioned on the right side of the fixed ring 5, the upper front side of the fixed ring 5 is provided with a driving motor 8, the output shaft of the driving motor 8 faces to the right, the output shaft of the driving motor 8 is fixedly connected with a driving gear meshed with the outer gear ring 6, the front part of the right side of the rotating ring 7 is fixedly connected with a fixed shell 9, a laser cutting machine 10 is connected in the fixed shell 9 in a sliding way, the left part of the laser cutting machine 10 close to one side of a cutting opening is provided with a limiting rod, the limiting rod of the laser cutting machine 10 is used for controlling the distance between the laser cutting machine 10 and a square steel pipe, a first elastic element 11 is arranged between the laser cutting machine 10 and the fixed shell 9, the first elastic element 11 is a spring, the first elastic element 11 is positioned inside the fixed shell 9, the fixed ring 5 is provided with two sliding frames 1201 which are arranged in a mirror image mode up and down, the axes of the grooves of the U-shaped frame 3, the axes of the fixed ring 5, the axes of the outer gear ring 6, the axes of the rotating ring 7 and the axes of the sliding frames 1201 which are arranged in the mirror image mode are coplanar in the vertical direction, so that the distance between the laser cutting machine 10 and each part outside the square steel pipe is equal in the process of cutting the square steel pipe by the laser cutting machine 10, the cutting uniformity is improved, the sliding frames 1201 are formed by fixedly connecting two similar U-shaped plates, the long side of the section of the U-shaped plate inside the sliding frames 1201 is longer than the side length of the square steel pipe, two connecting frames 1202 which are arranged in a mirror image mode front and back are arranged between the two sliding frames 1201, the connecting frames 1202 are formed by fixedly connecting two identical H-shaped plates together, the rear end of the connecting shaft 402 is fixedly connected with the adjacent connecting frames 1202, the limiting grooves of the sliding frame 1201 and the connecting frame 1202 are both provided with limiting grooves matched with limiting rods of the laser cutting machine 10, the limiting grooves of the sliding frame 1201 are formed by a space between two similar U-shaped plates, the limiting grooves of the connecting frame 1202 are formed by a space between two identical H-shaped plates, the limiting grooves of the sliding frame 1201 are communicated with the limiting grooves of the two connecting frames 1202 which are arranged in a mirror image mode, the limiting rods of the laser cutting machine 10 are limited by the limiting grooves of the adjacent sliding frame 1201 and the limiting grooves of the adjacent connecting frames 1202, the distance of the laser cutting machine 10 in the cutting process of the square steel pipes is always kept consistent, the phenomenon that the cutting is uneven and even the cutting of partial areas is not in place due to the fact that the distance between the laser cutting machine 10 and the square steel pipes is changed in the cutting process is avoided, and the cutting effect of the square steel pipes is improved.

When the device is required to cut the steel pipe, a worker firstly places the square steel pipe on the groove of the left U-shaped frame 3, then pushes the square steel pipe rightward until the square steel pipe is pushed to be in contact with the groove of the right U-shaped frame 3 and reach the required cutting length, the worker stops pushing the square steel pipe, then starts the laser cutting machine 10 and the driving motor 8, the laser cutting machine 10 starts cutting the steel pipe in a laser mode, the output shaft of the driving motor 8 starts to rotate anticlockwise, the output shaft of the driving motor 8 drives the driving gear on the output shaft to rotate anticlockwise, then the driving gear of the output shaft of the driving motor 8 drives the outer gear ring 6 to rotate clockwise, the outer gear ring 6 drives the rotating ring 7 to move together, the rotating ring 7 and the fixed ring 5 rotate relatively, the rotating ring 7 drives the fixed shell 9 to move together, the laser cutting machine 10 and the first elastic element 11 move together, the limiting rod of the laser cutting machine 10 moves in the limiting groove of the adjacent connecting frame 1202, and the laser cutting machine 10 starts to cut in a ring mode.

In the process that the laser cutting machine 10 moves along with the fixed shell 9, as the distance between the fixed shell 9 and the limiting groove of the adjacent connecting frame 1202 is gradually reduced, the limiting rod of the laser cutting machine 10 starts to move towards the direction close to the fixed shell 9 under the extrusion action of the limiting groove of the adjacent connecting frame 1202, the laser cutting machine 10 synchronously moves, and the first elastic element 11 is compressed.

As the output shaft of the driving motor 8 continuously rotates, the limiting rod of the laser cutting machine 10 continuously moves in the limiting groove of the adjacent sliding frame 1201 and the limiting groove of the adjacent connecting frame 1202, the laser cutting machine 10 continuously performs annular cutting on the square steel pipe, the first elastic element 11 repeatedly compresses and rebounds in the cutting process until the cutting of the square steel pipe is completed, then the laser cutting machine 10 and the driving motor 8 are closed by a worker, in the rotating process of the fixed ring 5, the limiting rod of the laser cutting machine 10 is limited by the limiting groove of the adjacent sliding frame 1201 and the limiting groove of the adjacent connecting frame 1202, the distance of the laser cutting machine 10 in the cutting process of the square steel pipe is always kept consistent, the phenomenon that the distance between the laser cutting machine 10 and the square steel pipe is too large in the cutting process, so that the cutting is uneven and even the phenomenon that the cutting of a local area is not in place occurs is avoided, the cutting effect of the square steel pipe is improved, and after the square steel pipe is cut, the worker takes down the two sections of square steel pipe.

Example 2: on the basis of embodiment 1, as shown in fig. 4-7, the device further comprises a deflection mechanism for deflecting the fixed ring 5, the deflection mechanism is arranged on a connecting frame 1202 at the front side, the fixed point of the connecting shaft 402 and the adjacent connecting frame 1202 is positioned at the midpoint of the adjacent connecting frame 1202, namely, the axis of the connecting shaft 402 and the axis of the square steel tube are positioned at the same horizontal plane and are mutually perpendicular, so that the distance between the two sliding frames 1201 and the square steel tube is the same when the two sliding frames deflect, the sleeve 401 is rotationally connected with the connecting shaft 402 and the fixed ring 5, the sleeve 401 provides support for the fixed ring 5, the fixed ring 5 is slidingly connected with the two sliding frames 1201, the fixed ring 5 provides further support for the two sliding frames 1201, the influence on the cutting quality caused by the sliding of the laser cutting machine 10 due to the shaking of the sliding frames 1201 in the cutting process is avoided, the sliding frames 1201 are slidingly connected with the two sliding frames 1202, the deflection mechanism comprises two groups of second elastic elements 1203 which are arranged in a left-right mirror image way, each group comprises two second elastic elements 1203 which are arranged in an upper-lower mirror image way, the second elastic elements 1203 are tension springs, the two second elastic elements 1203 which are arranged in a single group in an upper-lower mirror image way are fixedly connected between the adjacent connecting frame 1202 and the adjacent sliding frame 1201 respectively, the front end of the connecting shaft 402 is fixedly connected with a handle 1301 which is used for facilitating the rotation of the connecting shaft 402 by workers, the front sides of the two sliding frames 1201 are fixedly connected with limiting long rods 1302, the limiting long rods 1302 on the two sliding frames 1201 are arranged in a central symmetry way, the limiting long rods 1302 on the sliding frame 1201 below are positioned at the left side of the axis of the connecting shaft 402, the limiting long rods 1302 on the sliding frame 1201 above are positioned at the right side of the axis of the connecting shaft 402, the rear end of the sleeve 401 is fixedly connected with an L-shaped bracket 1303, the L-shaped bracket 1303 is provided with a transmission component for enabling the sliding frame 1201 and the two connecting frames 1202 to move relatively, and the two sliding frames 1201 move back to each other, so that the distance between the laser cutting machine 10 and the square steel pipe is kept constant all the time in the moving process, and the distance between the laser cutting machine 10 and the square steel pipe is too small when the laser cutting machine 10 is in the area of the upper side and the lower side of the square steel pipe after the laser cutting machine 10 deflects along with the fixed ring 5, so that the laser cutting machine 10 is caused to cut the square steel pipe excessively, the square steel pipe is damaged, and the oblique cutting effect of the square steel pipe is improved.

As shown in fig. 7, the transmission assembly includes a reversing gear set 1304, the reversing gear set 1304 is a coaxial reversing mechanism, the reversing gear set 1304 is disposed on an L-shaped bracket 1303, an input end of the reversing gear set 1304 is fixedly connected with a connecting shaft 402, a rear end of a sleeve 401 is rotatably connected with a rotating sleeve 1305, the reversing gear set 1304 is used for reversely rotating the rotating sleeve 1305 and the connecting shaft 402, a cam 1306 is fixedly connected with a front side of the rotating sleeve 1305, the cam 1306 is in limit fit with two limit long rods 1302, when the cam 1306 rotates, the two limit long rods 1302 move oppositely or back to each other, so as to adjust a distance between the two sliding frames 1201, an output end of the reversing gear set 1304 is fixedly connected with the rotating sleeve 1305, when the two sliding frames 1201 deflect, a distance between a limit groove of the sliding frame 1201 and a square steel tube is kept unchanged, and when the sliding frames 1201 and the two connecting frames 1202 move relatively, the sliding frames 1201 always have a mutually staggered area, namely, the limit groove of the sliding frames 1201 is communicated with the limit groove of the connecting frames 1202, so that the limit rod of the laser cutting machine 10 is always limited by one or both limit grooves of the two of the sliding frames 1201.

When the steel pipe needs to be cut obliquely, a worker rotates the handle 1301 clockwise, the handle 1301 drives the connecting shaft 402 to rotate clockwise together, the connecting shaft 402 rotates relative to the sleeve 401, the connecting shaft 402 drives the connecting frame 1202 on the front side to rotate clockwise together, the connecting frame 1202 on the front side drives the two sliding frames 1201 to deflect clockwise together, the two sliding frames 1201 drive the connecting frame 1202 on the rear side to rotate clockwise together, the two sliding frames 1201 drive the fixed ring 5 to rotate clockwise together, the fixed ring 5 drives the outer gear ring 6 and the rotating ring 7 to deflect clockwise together, and the rotating ring 7 drives the driving motor 8 to deflect clockwise together.

In the clockwise rotation process of the connecting shaft 402, the connecting shaft 402 further drives the input end of the reversing gear set 1304 to rotate clockwise together, the output end of the reversing gear set 1304 starts to rotate anticlockwise after transmission, the output end of the reversing gear set 1304 drives the rotating sleeve 1305 to rotate anticlockwise together, the rotating sleeve 1305 rotates relative to the connecting shaft 402, the rotating sleeve 1305 drives the cam 1306 to rotate anticlockwise together, then the right limit long rod 1302 starts to move upwards under the extrusion action of the cam 1306, the left limit long rod 1302 starts to move downwards under the extrusion action of the cam 1306, the right limit long rod 1302 drives the upper sliding frame 1201 to move upwards together, the left limit long rod 1302 drives the lower sliding frame 1201 to move downwards together, and the sliding frame 1201 starts to stretch the adjacent second elastic element 1203.

Until a worker rotates the handle 1301 to deflect the fixed ring 5 to a proper angle, then stops rotating the handle 1301 and starts the laser cutting machine 10 and the driving motor 8, diagonal cutting of the opposite steel pipe is started, in the process of deflecting the fixed ring 5, the two sliding frames 1201 which are arranged in a mirror image mode up and down are enabled to move back to the front, further the distance between the laser cutting machine 10 and the opposite steel pipe is kept to be constant, when the laser cutting machine 10 deflects along with the fixed ring 5 and the laser cutting machine 10 is positioned in the area on the upper side and the lower side of the opposite steel pipe, the distance between the laser cutting machine 10 and the opposite steel pipe is prevented from being too small, the laser cutting machine 10 is enabled to excessively cut the opposite steel pipe, damage is caused to the opposite steel pipe, the diagonal cutting effect of the opposite steel pipe is improved, after the opposite steel pipe diagonal cutting of the opposite steel pipe is finished, the worker rotates the handle 1301 in the opposite direction, the fixed ring 5 is deflected in the opposite direction, the cams 1306 gradually lose extrusion of the two limiting long rods 1302, and then the two sliding frames 1201 start to move oppositely under the action of the tension of the adjacent second elastic elements 1203 until the fixed ring 5 and parts on the fixed ring 5 are completely reset, and then the rotation of the handle 1301 is stopped.

Example 3: on the basis of embodiment 2, as shown in fig. 6 and 8, the device further comprises a friction mechanism for keeping the connecting shaft 402 stable, the friction mechanism is arranged at the front end of the connecting shaft 402, the friction mechanism comprises a friction ring 1401, the friction ring 1401 is in spline connection with the front end of the connecting shaft 402, the friction ring 1401 is in friction fit with the stand 2 and the sleeve 401, the sleeve 401 and the stand 2 jointly act on the friction ring 1401, so that the acting area of the friction ring 1401 is increased, the stability during cutting is improved, a movable ring 1402 is fixedly connected to the outer side of the friction ring 1401, the movable ring 1402 is used for facilitating the movement of the friction ring 1401 by a worker, so that the worker can conveniently operate, a third elastic element 1403 is fixedly connected between the friction ring 1401 and a handle 1301, the third elastic element 1403 is in a spring and is in a compressed state and is used for enabling the friction ring 1401 and the stand 2 to be tightly attached, the U-shaped stand 3 is provided with a clamping mechanism for clamping a steel pipe of the opposite side, the movable ring 1402 and the stand 2 is tightly attached to the stand 2 through the compressed third elastic element 1403, the stability between the movable ring 1402 and the compressed third elastic element 1402 is used for keeping the stability of the friction ring 1401 during cutting the steel pipe of the opposite side, and the opposite side of the steel pipe 10 is cut, and the stability of the opposite side cutting machine is improved when cutting is used for cutting the opposite side cutting the steel pipe.

As shown in fig. 1 and 9, the clamping mechanism comprises two electric pushrods 1501 arranged in a front-back mirror image mode, the two electric pushrods 1501 arranged in a front-back mirror image mode are all installed on the upper sides of the adjacent U-shaped frames 3, a connecting plate 1502 is fixedly connected between telescopic ends of the two electric pushrods 1501 arranged in a front-back mirror image mode, the connecting plate 1502 is connected with two sliding rods 1503 arranged in a front-back mirror image mode in a sliding mode, the two sliding rods 1503 arranged in a front-back mirror image mode are located between the two electric pushrods 1501 arranged in a front-back mirror image mode, a fourth elastic element 1504 arranged in a mirror image mode and fixedly connected with the adjacent sliding rods 1503 is fixedly connected on the upper sides of the connecting plate 1502, the fourth elastic element 1504 is a tension spring, a squeezing plate 1505 is fixedly connected between lower ends of the two sliding rods 1503 arranged in a front-back mirror image mode, the extrusion plate 1505 is applied with uniform force through the two fourth elastic elements 1504, so that the opposite steel pipe is applied with uniformly distributed force, the extrusion plate 1505 is used for further clamping the opposite steel pipe on the basis that the U-shaped frame 3 groove limits the opposite steel pipe, the number of degrees of freedom of the opposite steel pipe is further reduced, soft media are arranged on the lower side of the extrusion plate 1505, the contact area between the extrusion plate 1505 and the opposite steel pipe is increased, the force generated by the stretched fourth elastic elements 1504 is transmitted to the extrusion plate 1505 and fixes the opposite steel pipe, the stability of the opposite steel pipe in the cutting process is ensured, the opposite steel pipe is prevented from unnecessarily shaking due to external factors, and the cutting process is influenced, so that the cutting effect of the opposite steel pipe is improved.

When the square steel pipe needs to be cut obliquely, a worker holds the movable ring 1402 and pulls the movable ring 1402 forwards, the movable ring 1402 drives the friction ring 1401 to move forwards together, the friction ring 1401 starts to slide forwards along the outer side of the connecting shaft 402, the friction ring 1401 further presses the third elastic element 1403, then the worker rotates the handle 1301 clockwise, the handle 1301 drives the connecting shaft 402 to rotate clockwise, the fixed ring 5 rotates clockwise again, after the laser cutting machine 10 deflects to a proper position, the worker stops rotating the handle 1301 and loosens the movable ring 1402, then the movable ring 1402 starts to slide backwards along the connecting shaft 402 under the elastic force of the third elastic element 1403 until the movable ring 1402 moves backwards to the front side of the stand 2, and is clung to the front side of the stand 2 under the elastic force of the third elastic element 1403, the stability of the connecting shaft 402 is maintained by virtue of the friction force between the movable ring 1402 and the stand 2, the stability of the laser cutting machine 10 when the square steel pipe is cut obliquely is ensured, the cutting effect of the square steel pipe is improved, after the square steel pipe is cut, the worker pulls the movable ring 1402 forwards again, the movable ring 1402 slides backwards along the connecting shaft 402 along with the connecting shaft 402, the movable ring 1402 is separated from the front side of the movable ring 1401 together, and the movable ring 1402 is reset, and the movable ring 1402 is separated from the fixed on the front side of the stand 2.

When a worker pushes the square steel pipe rightward to contact with the groove of the right U-shaped frame 3 and reach the required cutting length, the worker stops pushing the square steel pipe, then starts four electric pushers 1501, the telescopic ends of the electric pushers 1501 start to move downward, the telescopic ends of the two electric pushers 1501 arranged in front-back mirror image drive the adjacent connecting plates 1502 to move downward together, the connecting plates 1502 drive the adjacent two sliding rods 1503 to move downward together, the adjacent two sliding rods 1503 drive the adjacent pressing plates 1505 to move downward together until the pressing plates 1505 contact with the square steel pipe, the connecting plates 1502 start to stretch the adjacent two fourth elastic elements 1504 along with the continuous downward movement of the telescopic ends of the electric pushers 1501, and the stretched fourth elastic elements 1504 transmit force to the adjacent sliding rods 1503 to firmly press the square steel pipe by the pressing plates 1505, then the staff closes the four electric push rods 1501, the force generated by the stretched fourth elastic element 1504 is transferred to the squeeze plate 1505 and fixes the square steel tube, the stability of the square steel tube in the cutting process is ensured, the square steel tube is prevented from unnecessarily shaking due to external factors, the cutting process is influenced, the cutting effect of the opposite steel tube is improved, after the square steel tube is cut, the staff starts the four electric push rods 1501 again, the telescopic ends of the electric push rods 1501 start to move upwards, the telescopic ends of the two electric push rods 1501 arranged in front-back mirror image drive the adjacent connection plates 1502 to move upwards together, in the process of moving upwards the connection plates 1502, the adjacent two fourth elastic elements 1504 gradually shrink and reset, the two slide bars 1503 arranged in mirror image slide relatively to the adjacent connection plates 1502 and are relatively static, then two adjacent slide bars 1503 drive the adjacent squeeze plates 1505 to move upwards and release the squeeze of the opposite steel pipes until the squeeze plates are reset, and finally, the staff closes the four electric push rods 1501 and takes down the cut square steel pipes.

The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.

Claims

1. The utility model provides a laser cutting machine, its characterized in that, including chassis (1), chassis (1) rigid coupling has riser (2) and mirror image arranged U-shaped frame (3), riser (2) rigid coupling has sleeve pipe (401), sleeve pipe (401) are provided with connecting axle (402) and solid fixed ring (5), gu fixed ring (5) rotate and are connected with swivel becket (7), swivel becket (7) rigid coupling has outer ring gear (6), gu fixed ring (5) install driving motor (8), driving motor (8)'s output shaft rigid coupling have with driving gear of outer ring gear (6) meshing, swivel becket (7) rigid coupling has fixed shell (9), fixed shell (9) sliding connection has laser cutting machine (10), laser cutting machine (10) are provided with the gag lever post, be provided with first elastic component (11) between laser cutting machine (10) and fixed shell (9), gu fixed ring (5) are provided with the carriage (1201) of arranging, the rigid coupling is arranged between carriage (1202) of arranging mirror image (1202) and is provided with mirror image frame (1202) and is connected with the connecting axle (1202) of arranging, the sliding frame (1201) and the connecting frame (1202) are respectively provided with a limiting groove matched with a limiting rod of the laser cutting machine (10), and the limiting grooves of the sliding frame (1201) are respectively communicated with the limiting grooves of the connecting frame (1202) in mirror image arrangement.

2. A laser cutting machine according to claim 1, characterized in that the U-shaped frame (3) is provided with grooves, which grooves of the U-shaped frame (3) are used for limiting the pipe.

3. A laser cutting machine according to claim 2, characterized in that the axes of the grooves of the U-shaped frame (3), the axis of the stationary ring (5), the axis of the outer ring gear (6), the axis of the rotating ring (7) and the axis of the carriage (1201) of the mirror arrangement are coplanar in the vertical direction.

4. The laser cutting machine according to claim 1, further comprising a deflection mechanism for deflecting the stationary ring (5), the deflection mechanism being arranged between the adjacent connecting frame (1202) and the adjacent connecting frame (1202) close to the sleeve (401), the sleeve (401) being rotatably connected to the connecting shaft (402), the sleeve (401) being rotatably connected to the stationary ring (5), the stationary ring (5) being slidably connected to the mirror-image arranged sliding frame (1201), the sliding frame (1201) being slidably connected to the adjacent connecting frame (1202), the mirror-image arranged second elastic element (1203) being fixedly connected between the adjacent connecting frame (1202) and the adjacent sliding frame (1201), the connecting shaft (402) being fixedly connected to a handle (1301), the sliding frame (1201) being fixedly connected to a limit bar (1302), one end of the sleeve (401) close to the connecting frame (1202) being fixedly connected to an L-shaped bracket (1201), the mirror-image arranged second elastic element (1203) being fixedly connected between the adjacent connecting frame (1202) and the mirror-image arranged bracket (1201) being arranged for relative movement of the sliding frame (1202).

5. The laser cutting machine according to claim 4, wherein the fastening point of the connecting shaft (402) and the adjacent connecting frame (1202) is located at the midpoint of the adjacent connecting frame (1202), i.e. the axis of the connecting shaft (402) is in the same horizontal plane as the axis of the pipe and is perpendicular to each other.

6. The laser cutting machine according to claim 4, wherein the transmission assembly comprises a reversing gear set (1304), the reversing gear set (1304) is arranged on the L-shaped support (1303), an input end of the reversing gear set (1304) is fixedly connected with the connecting shaft (402), one end of the sleeve (401) close to the connecting frame (1202) is rotatably connected with a rotating sleeve (1305), a cam (1306) is fixedly connected with the rotating sleeve (1305), the limiting long rod (1302) is matched with the cam (1306), and an output end of the reversing gear set (1304) is fixedly connected with the rotating sleeve (1305).

7. A laser cutting machine according to claim 4, characterized in that the distance between the limit groove of the carriage (1201) and the pipe is kept constant when the carriage (1201) of the mirror image arrangement is deflected.

8. A laser cutting machine according to claim 4, characterized in that the limit slot of the carriage (1201) is in communication with the limit slot of the connecting frame (1202) when the carriage (1201) and the connecting frame (1202) are arranged in mirror image.

9. The laser cutting machine according to claim 6, further comprising a friction mechanism for maintaining the stability of the connecting shaft (402), wherein the friction mechanism is disposed on the connecting shaft (402), the friction mechanism comprises a friction ring (1401), the friction ring (1401) is in spline connection with the connecting shaft (402), the friction ring (1401) is matched with the stand (2), a moving ring (1402) is fixedly connected with the friction ring (1401), a third elastic element (1403) is fixedly connected between the friction ring (1401) and the handle (1301), and the U-shaped frame (3) is provided with a clamping mechanism for clamping a pipe.

10. The laser cutting machine according to claim 9, wherein the clamping mechanism comprises an electric push rod (1501), the electric push rod (1501) is mounted on the U-shaped frame (3), a connecting plate (1502) is fixedly connected to a telescopic end of the electric push rod (1501), a sliding rod (1503) is slidably connected to the connecting plate (1502), a fourth elastic element (1504) is fixedly connected between the sliding rod (1503) and the adjacent connecting plate (1502), and an extrusion plate (1505) is fixedly connected to the sliding rod (1503).