CN113523602A

CN113523602A - Intelligent square tube cutting machine using laser cutting

Info

Publication number: CN113523602A
Application number: CN202110867956.1A
Authority: CN
Inventors: 刘乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of laser square tube cutting machine equipment, in particular to an intelligent square tube cutting machine using laser cutting, which comprises a base, wherein a front fixed seat, a rear movable seat and a laser cutting machine are respectively arranged on two sides of the base, and the working end of the laser cutting machine is radially arranged on the axis of the front fixed seat; a driven rotating frame is arranged on the front fixed seat, and a first pipe fixing mechanism is arranged on the driven rotating frame; install the swivel mount on the post-shift seat, first tubular product axial displacement mechanism and second tubular product fixed stay mechanism are installed to the both sides difference board of swivel mount, and rotation control mechanism sets up in one side of swivel mount, and post-shift seat below is provided with second tubular product axial displacement mechanism, one side that post-shift seat is outwards is provided with sensing mechanism, and this scheme has solved laser cutting machine and has leaded to the great technical problem who occupies a large amount of place spaces of equipment overall dimension for considering longer side's pipe processing.

Description

Intelligent square tube cutting machine using laser cutting

Technical Field

The invention relates to the technical field of laser square tube cutting machine equipment, in particular to an intelligent square tube cutting machine using laser cutting.

Background

The traditional transverse feeding mechanism of the cutting machine widely used at home at present has two hydraulic chucks, a square tube is clamped by the chucks during cutting, the square tube is rotated around a main shaft, and the square tube can only be operated at a low speed due to the influence of the rotation of the square tube on the cutting, so that the production efficiency is low. But also the square tube is easy to be damaged and bent, so that the cutting quality is poor.

The laser cutting technology has the advantages of reducing processing time, reducing processing cost and improving workpiece quality, is widely applied to processing of metal and non-metal materials, and gradually replaces the traditional cutter in laser cutting processing. Among present laser cutting square pipe equipment, use fixed chuck to fix square pipe usually, realize the stability of square pipe through the centre frame, fixed chuck moves the laser cutting head department of driving square pipe towards the centre frame department through the slip table drive of both sides and processes, nevertheless for the square pipe of the not unidimensional of adaptation, often can only be according to the square pipe construction equipment of longest dimension, it is lower to lead to square pipe cutting equipment to occupy a large amount of spaces in the factory building and probably to add the square pipe processing availability factor of large size, cause the improvement of cost, be unfavorable for the producer to select.

Disclosure of Invention

For solving above-mentioned technical problem, provide an intelligent cutting machine of square pipe who uses laser cutting, this scheme has solved laser cutting machine and has leaded to the great technical problem who occupies a large amount of place spaces of equipment overall dimension for considering longer square pipe processing.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the intelligent square tube cutting machine using laser cutting comprises a base, wherein a front fixed seat and a rear movable seat are respectively arranged on two sides of the base, the front fixed seat and the rear movable seat are hollow, central shafts of the front fixed seat and the rear movable seat are positioned on the same horizontal straight line, a laser cutting machine is installed on one outer side of the front fixed seat, and a working end of the laser cutting machine is radially arranged on the axis of the front fixed seat;

the front fixing seat is provided with a driven rotating frame which is a circular support, the driven rotating frame is provided with four first mounting plates, the central angle between the first mounting plates is ninety degrees, and the driven rotating frame is provided with a first pipe fixing mechanism;

install the swivel mount on the post-shift seat, the center pin and the driven swivel mount of swivel mount are in on the same straight line, and the both sides of swivel mount are provided with four second mounting panels respectively, and the central angle degree between two adjacent second mounting panels is ninety degrees, and first tubular product axial displacement mechanism and second tubular product fixed stay mechanism are installed to the second mounting panel, and rotation control mechanism sets up in one side of swivel mount, and post-shift seat below is provided with second tubular product axial displacement mechanism, the outside one side of post-shift seat is provided with sensing mechanism, and sensing mechanism is used for controlling the start-up and the stop of first tubular product axial displacement mechanism, second tubular product fixed stay mechanism, rotation control mechanism and second tubular product axial displacement mechanism.

Preferably, the first pipe fixing mechanism comprises a first linear driving device, the first linear driving device is fixedly installed on one side of each first installation plate, the working end of the first linear driving device is arranged in the direction towards the axis of the front fixed seat to do linear motion, a pin seat is fixedly installed on the working end of the first linear driving device, and a first rotating roller is inserted on the pin seat.

Preferably, the first pipe axial moving mechanism comprises second linear driving devices, two second linear driving devices which are opposite to each other are mounted on the second mounting plate on each side, the working directions of the second linear driving devices on the two sides of the second mounting plate are mutually perpendicular, the working ends of the second linear driving devices are arranged in the axial direction of the backward moving seat to perform linear motion, a mounting seat is fixedly mounted on the working ends of the second linear driving devices, a second rotating roller is inserted into the mounting seat, and one end of the second rotating roller is in transmission connection with the working end of the first rotary driving device fixedly mounted on the mounting seat through a transmission belt.

Preferably, the second pipe fixing and supporting mechanism comprises a third linear driving device, two opposite third linear driving devices are mounted on the second mounting plate on each side, the working directions of the third linear driving devices on the two sides of the second mounting plate are perpendicular to each other, the third linear driving devices are mounted on the second mounting plates adjacent to the second linear driving devices, the working ends of the third linear driving devices face the central shaft of the rear moving seat, the mounting plates are fixedly mounted on the working ends of the third linear driving devices, and pressing plates are inserted on the mounting plates.

Preferably, the mounting plate is provided with a first sleeve extending towards one side of the pressing plate, the pressing plate is provided with a second sleeve, the second sleeve is sleeved outside the first sleeve, the first sleeve is internally provided with a compression spring, and one end of the compression spring is fixedly connected with the inside.

Preferably, the rotation control mechanism is including the second rotary driving device, and second rotary driving device fixed mounting is in one side of swivel mount, and the work axle of second rotary driving device and the center pin level setting of back removal seat, and fixed mounting has the gear on the work end of second rotary driving device, the outside of swivel mount is provided with the tooth's socket, and the tooth's socket is connected with gear engagement, one side of swivel mount is extended there are a plurality of spacing posts, and spacing post cartridge is in the spacing groove that sets up on the back removal seat, be provided with the swivel mount cover on the base, the driven swivel mount of preceding fixing base is spacing to be installed in the swivel mount cover.

Preferably, the second pipe axial moving mechanism comprises a fourth linear driving device, the fourth linear driving device is horizontally arranged below the rear moving seat, the working end of the fourth linear driving device is arranged on the central axis direction parallel to the rear moving seat and moves horizontally, and the fourth linear driving device is fixedly arranged on the base.

Preferably, the two sides below the rear moving seat are provided with limiting blocks, the limiting blocks are installed in sliding grooves formed in the base in a limiting mode, and the sliding grooves are formed in the two sides of the second pipe axial moving mechanism.

Preferably, the sensing mechanism comprises a sensing element, the sensing element is fixedly installed in a sensing element installation seat arranged on one side of the rear movable seat, and a working end of the sensing element is arranged towards the central axis of the rear movable seat.

Preferably, the working end of the laser cutting machine is arranged on a fifth linear driving device, the fifth linear driving device is fixedly installed on one side, close to the outside, of the front fixed seat, and the working end of the fifth linear driving device is arranged on the radial direction of the front fixed seat to move linearly.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the first set of fixing and moving system, in which the first pipe fixing mechanism of the front fixing seat and the first pipe axial moving mechanism of the rear moving seat are square pipes, can ensure that the length setting of the base is short, so that the space in a plant is greatly saved, the equipment is small and convenient to move, the manufacturing cost is further reduced, the square pipes are fixed by the second pipe fixing and supporting mechanism, and the second pipe axial moving mechanism drives the rear moving seat to move towards the front fixing seat so as to realize the advance of the square pipes, so that the square pipes can still move towards the working end of the laser cutting machine for processing when being short, and the waste of materials is avoided.

2. According to the invention, the first linear driving device drives the first rotating roller inserted on the bolt seat to contact with the side surface of the square pipe, so that the moving axis of the square pipe can be stabilized, the friction force generated when the square pipe moves can be reduced, and the damage to the surface of the square pipe during moving can be avoided.

3. According to the invention, the function of driving the square tube with a relatively long size to move when the size of the equipment is reduced can be effectively realized through the first tubular product axial moving mechanism.

4. According to the invention, the third linear driving device drives the pressing plate to contact the side surface of the square tube, so that the axial moving mechanism of the first tube is replaced to stabilize the axial direction of the square tube, and the stability of the square tube is ensured when the rear moving seat moves.

5. The invention can buffer the contact between the pressing plate and the square tube through the existence of the compression spring, reduce the impact force to the side surface of the square tube and protect the square tube.

6. According to the invention, the rotating frame is driven to rotate by the rotation control mechanism, the limiting column is inserted into the limiting groove of the rear moving seat to ensure the stability of the rotating frame during rotation, and the square tube rotates along with the rotating frame during rotation, so that the side wall of the square tube can be conveniently cut by the laser cutting machine.

7. According to the invention, the square tube is fixed by the second tube fixing and supporting mechanism, and the second tube axial moving mechanism drives the rear moving seat to move towards the front fixing seat, so that the square tube is moved, and excessive material waste caused by the fact that the square tube cannot be processed is avoided.

8. The invention can ensure the path stability of the rear moving seat when moving through the limiting installation of the limiting block below the rear moving seat and the sliding groove above the base, thereby ensuring the moving stability of the rear moving seat.

9. The invention detects the processing length of the square tube through the sensing mechanism, thereby linearly and intelligently switching different fixed mobile systems and ensuring the continuous processing.

10. According to the invention, the working end of the laser cutting machine is driven by the fifth linear driving device to move in the axial radial direction of the front fixing seat, so that the laser cutting machine can cut square pipes with different sizes, and the applicable direction of the equipment is enlarged.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a perspective view of the driven turret and first tube securing mechanism of the present invention

FIG. 6 is a perspective view of the rear shifting block of the present invention;

FIG. 7 is an exploded perspective view of the rear shifting block of the present invention;

FIG. 8 is a perspective view of the swivel mount of the present invention;

FIG. 9 is a perspective view of the first tubular axial translation mechanism of the present invention;

FIG. 10 is an exploded perspective view of a second tubular fixing and supporting mechanism according to the present invention;

the reference numbers in the figures are:

1-a base; 1 a-a chute;

2-front fixed seat; 2 a-a driven turret; 2a 1-first mounting plate; 2 b-a first tube fixing mechanism; 2b1 — first linear drive; 2b 2-bolt seat; 2b3 — first roller; 2 c-a rotating frame mounting sleeve;

3-rear moving seat; 3 a-a rotating frame; 3a 1-second mounting plate; 3a 2-gullet; 3a 3-stop post; 3 b-a first tubular axial movement mechanism; 3b 1-second linear drive; 3b 2-mount; 3b3 — second rotating roller; 3b 4-drive belt; 3b5 — first rotary drive; 3 c-a second pipe fixing and supporting mechanism; 3c 1-third linear drive; 3c 2-mounting plate; 3c 3-platen; 3c 4-first sleeve; 3c 5-second sleeve; 3c 6-compression spring; 3 d-a rotation control mechanism; 3d1 — second rotary drive; 3d 2-gear; 3 e-a second tubular axial movement mechanism; 3e 1-fourth linear drive; 3 f-a sensing mechanism; 3f 1-inductive element; 3f 2-inductive element mount; 3 g-a limiting groove; 3h, a limiting block;

4-laser cutting machine; 4 a-fifth linear drive.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem that the overall size of the equipment is large and a large amount of field space is occupied by the laser cutting machine for processing the square tube with long consideration, the following technical scheme is provided as shown in figures 1 and 2:

the intelligent square tube cutting machine using laser cutting comprises a base 1, wherein a front fixed seat 2 and a rear movable seat 3 are respectively arranged on two sides of the base 1, the front fixed seat 2 and the rear movable seat 3 are hollow, central shafts of the front fixed seat 2 and the rear movable seat 3 are positioned on the same horizontal straight line, a laser cutting machine 4 is installed on one outer side of the front fixed seat 2, and a working end of the laser cutting machine 4 is radially arranged on the axis of the front fixed seat 2;

a driven rotating frame 2a is arranged on the front fixed seat 2, the driven rotating frame 2a is a circular support, four first mounting plates 2a1 are arranged on the driven rotating frame 2a, the central angle between the first mounting plates 2a1 is ninety degrees, and a first pipe fixing mechanism 2b is arranged on the driven rotating frame 2 a;

install swivel mount 3a on the back seat of moving 3, the center pin of swivel mount 3a is in same straight line with driven swivel mount 2a, swivel mount 3 a's both sides are provided with four second mounting panels 3a1 respectively, the central angle degree between two adjacent second mounting panels 3a1 is ninety degrees, first tubular product axial displacement mechanism 3b and second tubular product fixed stay mechanism 3c are installed to second mounting panel 3a1, rotation control mechanism 3d sets up the one side at swivel mount 3a, back seat of moving 3 below is provided with second tubular product axial displacement mechanism 3e, back seat of moving 3 one side outwards is provided with sensing mechanism 3f, sensing mechanism 3f is used for controlling the start-up and stop of first tubular product axial displacement mechanism 3b, second tubular product fixed stay mechanism 3c, rotation control mechanism 3d and second tubular product axial displacement mechanism 3 e.

Specifically, in this example, the first tube fixing mechanism 2b of the front fixing seat 2 and the first tube axial moving mechanism 3b of the rear moving seat 3 are a first set of fixing and moving system of a square tube, the second tube fixing and supporting mechanism 3c of the rear moving seat 3 and the second tube axial moving mechanism 3e of the rear moving seat 3 are a second set of fixing and moving system of a square tube, when the square tube is machined, a worker passes the square tube through the rear moving seat 3 and the front fixing seat 2, when the sensing mechanism 3f detects that an obstacle exists on one side of the feed end of the rear moving seat 3, the first tube fixing mechanism 2b and the working end of the first tube axial moving mechanism 3b are started to synchronously move in the axial directions of the front fixing seat 2 and the rear moving seat 3, the first tube fixing mechanism 2b and the first tube axial moving mechanism 3b fix the four sides of the square tube, and after the fixing is completed, the first tube axial moving mechanism 3b can drive the square tube to move in the axial direction of the front fixing seat 2, so as to facilitate the movement of the laser cutting machine 4, the square tube is processed, the rotation control mechanism 3d of the rear moving seat 3 can drive the rotating frame 3a to rotate so as to drive the square tube to rotate and turn over, the driven rotating frame 2a of the front fixing seat 2 can rotate along with the rotating frame 3a to ensure the effective cutting of the square tube by the laser cutting machine 4, the length of the square tube can be ensured to be shorter by the first set of fixed moving system which is the square tube and is provided with the first pipe fixing mechanism 2b and the first pipe axial moving mechanism 3b, the space in a plant is greatly saved, the equipment is smaller and is convenient to move, the manufacturing cost is further reduced, the square tube is processed by the laser cutting machine 4, the length of the square tube is gradually shortened, when the sensing mechanism 3f detects that the feed end of the rear moving seat 3 loses obstacles, the second pipe fixing and supporting mechanism 3c is started to fix the four sides of the square tube, the rear moving seat 3 is driven by the second pipe axial moving mechanism 3e to move towards the front fixing seat 2 to realize the advancing of the square tube Therefore, the square pipe can still move towards the working end of the laser cutting machine 4 for processing when being short, and material waste is avoided.

Further:

in order to solve the technical problem of how to fix the four sides of the square tube and simultaneously facilitate the movement, as shown in fig. 3 and 5, the following technical solutions are provided: the first pipe fixing mechanism 2b comprises a first linear driving device 2b1, the first linear driving device 2b1 is fixedly installed at one side of each first installation plate 2a1, the working end of the first linear driving device 2b1 is arranged in the axial direction of the front fixed seat 2 to do linear motion, a bolt seat 2b2 is fixedly installed at the working end of the first linear driving device 2b1, and a first rotating roller 2b3 is inserted into the bolt seat 2b 2.

Specifically, the first linear driving device 2b1 may be a dual-shaft dual-rod cylinder or an electric push rod, and the first linear driving device 2b1 drives the first rotating roller 2b3 inserted into the latch seat 2b2 to contact with the side surface of the square pipe, so that the moving axis of the square pipe can be stabilized, the friction force of the square pipe during moving can be reduced, and the surface of the square pipe is prevented from being damaged during moving.

Further:

in order to solve the technical problem of how to stably move a long square tube on a short base 1, as shown in fig. 6 and 9, the following technical solutions are provided: the first pipe axial moving mechanism 3b comprises a second linear driving device 3b1, two opposite second linear driving devices 3b1 are mounted on the second mounting plate 3a1 on each side, the working directions of the second linear driving devices 3b1 on two sides of the second mounting plate 3a1 are mutually perpendicular, the working end of the second linear driving device 3b1 is arranged to move linearly in the axial direction of the backward moving seat 3, the mounting seat 3b2 is fixedly mounted on the working end of the second linear driving device 3b1, a second rotating roller 3b3 is inserted on the mounting seat 3b2, and one end of the second rotating roller 3b3 is in transmission connection with the working end of the first rotating driving device 3b5 fixedly mounted on the mounting seat 3b2 through a transmission belt 3b 4.

Specifically, first tubular product axial displacement mechanism 3b drives second through second linear drive device 3b1 and changes roller 3b3 and move until the laminating towards square pipe side, stabilize the axial position of square pipe, the setting can make first tubular product axial displacement mechanism 3b laminate to the square pipe of not unidimensional at the second linear drive device 3b1 working direction mutually perpendicular of swivel mount 3a both sides, the second of having avoided changeing roller 3b3 to influence each other, second commentaries on classics roller 3b3 drives drive belt 3b4 through first rotary drive device 3b5 and rotates, first rotary drive device 3b5 can be servo motor, second commentaries on classics roller 3b3 is rotatory to drive square pipe towards preceding fixing base 2 steady movement, can effectually realize reducing the equipment volume through first tubular product axial displacement mechanism 3b and correspond the function that longer size's square pipe drive its removal.

Further:

in order to solve the technical problem of how to fix the square tube when the rear movable seat 3 moves towards the front fixed seat 2, as shown in fig. 7 and 10, the following technical solutions are provided: the second pipe fixing and supporting mechanism 3c comprises a third linear driving device 3c1, two opposite third linear driving devices 3c1 are installed on the second mounting plate 3a1 on each side, the working directions of the third linear driving devices 3c1 on two sides of the second mounting plate 3a1 are mutually vertical, the third linear driving device 3c1 is installed on the second mounting plate 3a1 adjacent to the second linear driving device 3b1, the working end of the third linear driving device 3c1 faces the central shaft of the rear movable seat 3, the mounting plate 3c2 is fixedly installed on the working end of the third linear driving device 3c1, and the pressing plate 3c3 is inserted on the mounting plate 3c 2.

Specifically, when the back removes seat 3 and removes, because the contact of first tubular product fixed establishment 2b and first tubular product axial displacement mechanism 3b and square pipe is rolling friction, can't guarantee the fixed removal to square pipe, second tubular product fixed support mechanism 3c drives clamp plate 3c3 through third linear drive device 3c1 and contacts the side of square pipe to replace the axis direction of first tubular product axial displacement mechanism 3b stable square pipe, guarantee the stability of square pipe when the back removes seat 3 and remove, third linear drive device 3c1 can be biax two pole cylinders, also can be electric putter etc..

Further:

in order to solve the technical problem of how to avoid the deformation and damage of the square tube caused by the excessively strong pressure on the square tube, as shown in fig. 10, the following technical scheme is provided: the mounting plate 3c2 is provided with a first sleeve 3c4 extending towards the side of the pressure plate 3c3, the pressure plate 3c3 is provided with a second sleeve 3c5, the second sleeve 3c5 is sleeved outside the first sleeve 3c4, the first sleeve 3c4 is internally provided with a compression spring 3c6, and one end of the compression spring 3c6 is fixedly connected with the inside of the 3a 5.

Specifically, the existence of the compression spring 3c6 can buffer the contact between the pressing plate 3c3 and the square tube, reduce the impact force on the side surface of the square tube and protect the square tube.

Further:

in order to solve the technical problem of how to drive the square tube to rotate so as to facilitate the laser cutting machine 4 to cut the side wall of the square tube, as shown in fig. 2, 6 and 7, the following technical solutions are provided: the rotation control mechanism 3d comprises a second rotation driving device 3d1, the second rotation driving device 3d1 is fixedly installed on one side of the rotating frame 3a, the working shaft of the second rotation driving device 3d1 is horizontally arranged with the central shaft of the rear moving seat 3, a gear 3d2 is fixedly installed on the working end of the second rotation driving device 3d1, a tooth space 3a2 is arranged on the outer side of the rotating frame 3a, the tooth space 3a2 is meshed and connected with the gear 3d2, a plurality of limiting columns 3a3 extend on one side of the rotating frame 3a, the limiting columns 3a3 are inserted into a limiting groove 3g arranged on the rear moving seat 3, a rotating frame installation sleeve 2c is arranged on the base 1, and a driven rotating frame 2a of the front fixing seat 2 is limitedly installed in the rotating frame installation sleeve 2 c.

Specifically, the second rotary driving device 3d1 may be a servo motor, the second rotary driving device 3d1 drives the gear 3d2 to rotate when being started, the gear 3d2 is meshed with the toothed groove 3a2 on the surface of the rear moving seat 3 to drive the rotating frame 3a to rotate, the rotating frame 3a is inserted into the limiting groove 3g of the rear moving seat 3 through the limiting column 3a3 to ensure the stability of the rotating frame 3a during rotation, the square tube rotates along with the rotating frame 3a during rotation, and the square tube rotates to drive the driven rotating frame 2a to rotate in a limiting way in the rotating frame mounting sleeve 2 c.

Further:

in order to solve the technical problem of how to drive the square tube to move when the length of the square tube is short, as shown in fig. 4, the following technical scheme is provided: the second pipe axial moving mechanism 3e comprises a fourth linear driving device 3e1, the fourth linear driving device 3e1 is horizontally arranged below the rear moving seat 3, the working end of the fourth linear driving device 3e1 is arranged on the central axis direction parallel to the rear moving seat 3 to horizontally move, and the fourth linear driving device 3e1 is fixedly arranged on the base 1.

Specifically, when the remaining length of square pipe is shorter, the rotary control mechanism 3d can not continue to drive the square pipe to move forward, and at this moment, the square pipe is fixed through the second pipe fixing and supporting mechanism 3c, and the second pipe axial moving mechanism 3e drives the rear moving seat 3 to move towards the front fixing seat 2, so that the square pipe is moved, and the situation that the square pipe can not be processed to cause excessive material waste is avoided.

Further:

in order to solve the technical problem of how to ensure the stability of the rear movable seat 3 during movement, as shown in fig. 2 and 6, the following technical solutions are provided: the two sides of the lower part of the rear moving seat 3 are provided with limiting blocks 3h, the limiting blocks 3h are installed in sliding grooves 1a formed in the base 1 in a limiting mode, and the sliding grooves 1a are formed in the two sides of the second pipe axial moving mechanism 3 e.

Specifically, the path stability when the rear moving seat 3 moves can be ensured through the limiting installation of the limiting block 3h below the rear moving seat 3 and the sliding groove 1a above the base 1, so that the stability of the movement of the rear moving seat 3 is ensured.

Further:

in order to solve the technical problem of how to switch between two different fixed mobile systems, as shown in fig. 2 and 4, the following technical solutions are provided: the sensing mechanism 3f includes a sensing element 3f1, a sensing element 3f1 is fixedly installed in a sensing element mounting seat 3f2 provided at one side of the rear movable seat 3, and a working end of the sensing element 3f1 is disposed toward a central axis of the rear movable seat 3.

Specifically, the sensing element 3f1 may be a photoelectric sensor, when the sensing element 3f1 detects that foreign matter exists at the feed end of the rear moving seat 3, the first tubular material axial moving mechanism 3b and the first tubular material fixing mechanism 2b are started to fix and move the square tube, when the square sensing element 3f1 detects that foreign matter does not exist at the feed end of the rear moving seat 3, it indicates that the size of the square tube is short, the first tubular material axial moving mechanism 3b cannot fix the square tube quickly, the second tubular material fixing and supporting mechanism 3c is started to fix the square tube, and the second tubular material axial moving mechanism 3e is started to drive the square tube to move.

Further:

in order to solve the technical problem that the working end of the laser cutting machine 4 can be adapted to square pipes with different sizes for cutting, as shown in fig. 4, the following technical scheme is provided: the working end of the laser cutting machine 4 is arranged on a fifth linear driving device 4a, the fifth linear driving device 4a is fixedly arranged on one side, close to the outside, of the front fixed seat 2, and the working end of the fifth linear driving device 4a is arranged on the radial direction of the front fixed seat 2 to move linearly.

Specifically, fifth linear driving device 4a can be the lead screw slip table, and fifth linear driving device 4a drives laser cutting machine 4's working end and removes in the radial direction of the axis of preceding fixing base 2, can make laser cutting machine 4 cut not unidimensional side's pipe, enlarges the application position of equipment.

The working principle of the invention is as follows:

when the square pipe is machined, a worker penetrates the square pipe through the rear moving seat 3 and the front fixed seat 2, when the sensing mechanism 3f detects that an obstacle exists on one side of the feeding end of the rear moving seat 3, the first pipe fixing mechanism 2b and the working end of the first pipe axial moving mechanism 3b are started to synchronously move towards the axial directions of the front fixed seat 2 and the rear moving seat 3, the first pipe fixing mechanism 2b and the first pipe axial moving mechanism 3b fix the four sides of the square pipe, after the fixing is completed, the first pipe axial moving mechanism 3b can drive the square pipe to move in the axial direction of the front fixed seat 2 so as to facilitate the machining of the square pipe by the laser cutting machine 4, the rotation control mechanism 3d of the rear moving seat 3 can drive the rotating frame 3a to rotate so as to drive the square pipe to rotate and turn over, and the length of the square pipe is gradually shortened along with the machining of the square pipe by the laser cutting machine 4, when sensing mechanism 3f detected that the feed end of back mobile seat 3 loses the barrier, start second tubular product fixed stay mechanism 3c and fix four sides of square pipe, drive back mobile seat 3 through second tubular product axial displacement mechanism 3e and move the forward of realization side pipe towards preceding fixing base 2 removal to laser cutting machine has been solved and has leaded to the great technical problem who occupies a large amount of place spaces of equipment overall dimension for considering longer side pipe processing.

Claims

1. The intelligent square tube cutting machine using laser cutting comprises a base (1), wherein a front fixed seat (2) and a rear movable seat (3) are respectively arranged on two sides of the base (1), the front fixed seat (2) and the rear movable seat (3) are hollow, central shafts of the front fixed seat (2) and the rear movable seat (3) are positioned on the same horizontal straight line, a laser cutting machine (4) is installed on one side, close to the outside, of the front fixed seat (2), and the working end of the laser cutting machine (4) is radially arranged on the axis of the front fixed seat (2);

the pipe fitting machine is characterized in that a driven rotating frame (2 a) is arranged on a front fixed seat (2), the driven rotating frame (2 a) is a circular support, four first mounting plates (2 a 1) are arranged on the driven rotating frame (2 a), the central angle between the first mounting plates (2 a 1) is ninety degrees, and a first pipe fixing mechanism (2 b) is arranged on the driven rotating frame (2 a);

install swivel mount (3 a) on back seat (3), the center pin and the driven swivel mount (2 a) of swivel mount (3 a) are in same straight line, the both sides of swivel mount (3 a) are provided with four second mounting panel (3 a 1) respectively, central angle degree between two adjacent second mounting panels (3 a 1) is ninety degrees, first tubular product axial displacement mechanism (3 b) and second tubular product fixed stay mechanism (3 c) are installed in second mounting panel (3 a 1), rotation control mechanism (3 d) set up the one side at swivel mount (3 a), back seat (3) below is provided with second tubular product axial displacement mechanism (3 e), back seat (3) one side outwards is provided with sensing mechanism (3 f), sensing mechanism (3 f) are used for controlling first tubular product axial displacement mechanism (3 b), second tubular product fixed stay mechanism (3 c), And starting and stopping the rotation control mechanism (3 d) and the second pipe axial moving mechanism (3 e).

2. The intelligent square pipe cutting machine using laser cutting as claimed in claim 1, wherein the first pipe fixing mechanism (2 b) comprises a first linear driving device (2 b 1), the first linear driving device (2 b 1) is fixedly installed at one side of each first installation plate (2 a 1), the working end of the first linear driving device (2 b 1) is arranged to move linearly in the axial direction of the front fixed seat (2), a pin seat (2 b 2) is fixedly installed at the working end of the first linear driving device (2 b 1), and a first rotating roller (2 b 3) is inserted on the pin seat (2 b 2).

3. The intelligent square pipe cutting machine using laser cutting as claimed in claim 1, wherein the first pipe axial moving mechanism (3 b) comprises a second linear driving device (3 b 1), two opposite second linear driving devices (3 b 1) are installed on the second mounting plate (3 a 1) on each side, the working directions of the second linear driving devices (3 b 1) on both sides of the second mounting plate (3 a 1) are perpendicular to each other, the working end of the second linear driving device (3 b 1) is arranged to do linear motion in the axial direction of the backward moving seat (3), the mounting seat (3 b 2) is fixedly installed on the working end of the second linear driving device (3 b 1), a second rotating roller (3 b 3) is inserted on the mounting seat (3 b 2), one end of the second rotating roller (3 b 3) is in transmission connection with the working end of a first rotary driving device (3 b 5) fixedly arranged on the mounting seat (3 b 2) through a transmission belt (3 b 4).

4. An intelligent square tube cutting machine using laser cutting as claimed in claim 1, wherein the second tube fixing and supporting mechanism (3 c) comprises a third linear driving device (3 c 1), two opposite third linear driving devices (3 c 1) are installed on the second mounting plate (3 a 1) on each side, the working directions of the third linear driving devices (3 c 1) on both sides of the second mounting plate (3 a 1) are perpendicular to each other, the third linear driving device (3 c 1) is installed on the second mounting plate (3 a 1) adjacent to the second linear driving device (3 b 1), the working end of the third linear driving device (3 c 1) faces the central axis of the rear moving seat (3), the mounting plate (3 c 2) is fixedly installed on the working end of the third linear driving device (3 c 1), and the pressing plate (3 c 3) is inserted into the mounting plate (3 c 2).

5. The intelligent square pipe cutting machine using laser cutting as claimed in claim 4, wherein the mounting plate (3 c 2) is provided with a first sleeve (3 c 4) extending towards one side of the pressure plate (3 c 3), the pressure plate (3 c 3) is provided with a second sleeve (3 c 5), the second sleeve (3 c 5) is sleeved outside the first sleeve (3 c 4), the first sleeve (3 c 4) is internally provided with a compression spring (3 c 6), and one end of the compression spring (3 c 6) is fixedly connected with the inside of the 3a 5.

6. The intelligent square pipe cutting machine using laser cutting as claimed in claim 1, wherein the rotation control mechanism (3 d) comprises a second rotation driving device (3 d 1), the second rotation driving device (3 d 1) is fixedly installed at one side of the rotation frame (3 a), the working shaft of the second rotation driving device (3 d 1) is horizontally arranged with the central shaft of the rear moving seat (3), the working end of the second rotation driving device (3 d 1) is fixedly installed with a gear (3 d 2), the outer side of the rotation frame (3 a) is provided with a tooth socket (3 a 2), the tooth socket (3 a 2) is engaged with the gear (3 d 2), one side of the rotation frame (3 a) extends with a plurality of limiting columns (3 a 3), the limiting columns are inserted (3 a 3) in a limiting groove (3 g) arranged on the rear moving seat (3), the rotation frame mounting sleeve (2 c) is arranged on the base (1), the driven rotating frame (2 a) of the front fixed seat (2) is installed in the rotating frame installation sleeve (2 c) in a limiting mode.

7. The intelligent square pipe cutting machine using laser cutting as claimed in claim 1, wherein the second pipe axial moving mechanism (3 e) comprises a fourth linear driving device (3 e 1), the fourth linear driving device (3 e 1) is horizontally arranged below the rear moving seat (3), the working end of the fourth linear driving device (3 e 1) is arranged to horizontally move in a direction parallel to the central axis of the rear moving seat (3), and the fourth linear driving device (3 e 1) is fixedly installed on the base (1).

8. The intelligent square tube cutting machine using laser cutting as claimed in claim 1, wherein the rear moving seat (3) is provided with limiting blocks (3 h) at two sides below, the limiting blocks (3 h) are installed in sliding grooves (1 a) formed in the base (1) in a limiting manner, and the sliding grooves (1 a) are formed at two sides of the second tube axial moving mechanism (3 e).

9. The intelligent square pipe cutting machine using laser cutting as claimed in claim 1, wherein the sensing mechanism (3 f) comprises a sensing element (3 f 1), the sensing element (3 f 1) is fixedly installed in a sensing element installation seat (3 f 2) arranged at one side of the rear moving seat (3), and the working end of the sensing element (3 f 1) is arranged towards the central axis of the rear moving seat (3).

10. The intelligent square tube cutting machine using laser cutting as claimed in claim 1, wherein the working end of the laser cutting machine (4) is arranged on a fifth linear driving device (4 a), the fifth linear driving device (4 a) is fixedly installed at the outer side of the front fixed seat (2), and the working end of the fifth linear driving device (4 a) is arranged on the radial direction of the front fixed seat (2) to move linearly.