CN114346479A

CN114346479A - Multi-section linkage synchronous operation laser pipe cutting machine

Info

Publication number: CN114346479A
Application number: CN202210158723.9A
Authority: CN
Inventors: 许大栋; 孙建平; 许杨; 成飞英
Original assignee: Foshan Shunde Dongyang Net Making Co ltd
Current assignee: Foshan Shunde Dongyang Net Making Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-04-15

Abstract

The invention belongs to the technical field of laser pipe cutting machines, and particularly relates to a multi-section linkage synchronous operation laser pipe cutting machine which comprises a fixing frame, a clamping assembly, a supporting plate, a positioning assembly, an actuating mechanism and an electromagnet, wherein a plurality of supporting frames are arranged above the fixing frame, a laser cutting head is fixedly arranged inside each supporting frame, the clamping assembly is fixedly arranged on the inner side of each supporting frame, the supporting plate is arranged on the inner side of the fixing frame, a steel pipe is placed above each supporting plate, the positioning assembly is arranged inside each clamping assembly, and the actuating mechanism is arranged below each supporting plate; meanwhile, the shaking is reduced, and the processing precision and quality of the product are improved; and related parts are matched with the numerical control and processing of the whole machine, so that the automation level is improved.

Description

Multi-section linkage synchronous operation laser pipe cutting machine

Technical Field

The invention belongs to the technical field of laser pipe cutting machines, and particularly relates to a laser pipe cutting machine capable of being synchronously operated in a multi-section linkage mode.

Background

The steel pipe need be processed into different length and carry out the preliminary treatment when production, in order to make things convenient for later stage processing, supporting assembly and sale, so in the production process of steel pipe, the cutting machine is essential equipment, the tradition mode adopts cutting tool to cut, but the hardness of steel pipe is great, also with corresponding increase to the loss of cutter when the cutting, people now develop laser cutting's mode, the fusing steel pipe that the high temperature of laser particle can be quick, it is fast to have, the high advantage of precision, still there is very big development space in the future.

Present laser pipe cutting machine opportunity carries out the operation that the multistage was cut to same steel pipe simultaneously, the in-process that the multistage was cut can make the temperature of steel pipe cutting department rise sharply, so need be equipped with special cooling body and cool down to it, it is spacing still to need fixture to carry on it simultaneously, though applied above mechanism among the prior art, actually prepare the during operation, two mechanisms need separately progressively operate, and then just can prolong the preparation work before the steel pipe cutting, finally make steel pipe cutting efficiency descend.

Disclosure of Invention

The invention aims to provide a multi-section linkage synchronous operation laser pipe cutting machine, which can enable cooling water to automatically flow into a to-be-cut part of a steel pipe after a clamping assembly limits the steel pipe, so that preparation work before the steel pipe is cut can be completed quickly, and accordingly, the steel pipe cutting efficiency is improved correspondingly.

The technical scheme adopted by the invention is as follows:

a multi-segment linkage synchronously operated laser pipe cutter comprising:

the laser cutting device comprises a fixed frame, a plurality of supporting frames and a laser cutting head, wherein the supporting frames are arranged above the fixed frame, and the laser cutting head is fixedly arranged inside the supporting frames;

the clamping assembly is fixedly arranged on the inner side of the supporting frame;

the supporting plate is arranged on the inner side of the fixing frame, a steel pipe is placed above the supporting plate, and the supporting plate is positioned right below the supporting frame;

the positioning assembly is arranged inside the clamping assembly;

the actuating mechanism is arranged below the supporting plate and is electrically connected with the mains supply;

the electromagnet is magnetically connected to one end of the clamping assembly, the magnetic poles of the electromagnet and the end, opposite to the clamping assembly, of the electromagnet are the same, and the electromagnet is connected with the executing mechanism through a lead;

the steel pipe clamping device comprises a supporting plate, an actuating mechanism, an electromagnet, a clamping assembly and a steel pipe, wherein a reference plate is arranged at one end of the fixing frame, after the steel pipe is arranged above the supporting plate, the actuating mechanism is electrically connected with a mains supply, the electromagnet is electrified to generate magnetism and drive the clamping assembly to move, and the clamping assembly is gradually close to the steel pipe.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the utility model discloses a fixed plate, including the support plate, the bottom fixed mounting of mount has the fixed plate, the top fixed mounting of fixed plate has electric putter, the fixed cover of electric putter's output has connect the lantern ring, the top fixedly connected with slide of the lantern ring of connection, the top fixedly connected with bracing piece of slide, the top of bracing piece and the middle part fixed connection of backup pad lower surface.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: two sets of chutes are respectively formed in two sides of the fixing frame, one set of chutes is in sliding connection with the sliding plate, the other set of chutes is provided with a connecting plate fixedly connected with the bottom of the support frame in a sliding manner, and the bottom end of the connecting plate is fixedly connected with the upper surface of the sliding plate.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the inner side of the support frame is fixedly provided with a fixed sleeve which is fixedly sleeved on the outer surface of the electromagnet, and the fixed sleeve is slidably sleeved on the outer surface of the clamping assembly.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the clamping assembly comprises a clamping plate, a linkage rod, a linkage magnetic plate and a reset spring, the clamping plate is arranged below the fixing sleeve, the linkage rod is fixedly connected to one side of the clamping plate, the linkage rod penetrates through the inside of the fixing sleeve in a sliding mode, the linkage magnetic plate and the linkage rod are located at one end of the inside of the fixing sleeve and fixedly connected with each other, the reset spring is fixedly connected to one side of the linkage magnetic plate, one end of the reset spring is fixedly connected with a spring base, and the spring base is fixedly connected with the inner wall of the fixing sleeve.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the inside slip of fixed sleeve has cup jointed the piston piece, the fixed cover of piston piece connects in the surface of gangbar, the cavity has been seted up to the inside of piston piece, the cavity sets up in locating component's the outside, the oblique notch that puts that communicates each other with the cavity is seted up to the bottom of piston piece.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the locating component comprises a locating rod, a hinge rod and a buoyancy ball, the locating rod is slidably inserted into the middle of the piston block, a locating groove corresponding to the locating rod is formed in the inside of the fixed sleeve, the hinge rod is hinged to the bottom of the locating rod, the inside of the cavity is located through the buoyancy ball sliding sleeve, one side of the buoyancy ball is hinged to the hinge rod, an open groove sleeved outside the hinge rod is formed in one side of the locating rod and the buoyancy ball, and a fixed retaining ring fixedly connected with the inner wall of the cavity is further arranged on one side of the buoyancy ball.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the spring base is characterized in that a water adding pipe is fixedly mounted on one side of the bottom of the fixing sleeve, a water guide cavity is formed in the linkage rod, a water guide notch is formed in one side of the upper surface of the linkage rod, the water guide notch is located on one side, facing the spring base, of the piston block, and a water discharging hole communicated with the water guide cavity is formed in the middle of the clamping plate.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: actuating mechanism includes extrusion head, limiting plate, return spring, transfer line and butt joint, the extrusion head slides and alternates in the bottom of backup pad, limiting plate fixed connection is in the bottom of extrusion head, the limiting plate slides and sets up in the inside of bracing piece, return spring fixed connection is in the lower surface of limiting plate, return spring's bottom and the inside bottom fixed connection of bracing piece, transfer line fixed connection is in the lower surface of limiting plate, the transfer line runs through the bracing piece and extends to the inside of slide, to butt joint fixed connection in the bottom of transfer line, the both sides of butt joint all are provided with connecting lead, two connecting lead respectively with laser cutting head and external power source electric connection.

As an optimal scheme of the multi-section linkage synchronous operation laser pipe cutting machine of the invention, the method comprises the following steps: the butt joint comprises a butt joint body and is characterized in that butt joint grooves are formed in two sides of the bottom of the butt joint body, two connecting electrodes are fixedly connected to one ends, opposite to connecting leads, of the two ends, and conductive contact pieces corresponding to the connecting electrodes are fixedly embedded in the butt joint grooves.

The invention has the technical effects that:

the invention adopts the design of the clamping assembly, the clamping assembly can limit the steel pipe from the upper part of the axle center of the steel pipe, and the clamping assembly is positioned at two sides of the laser cutting head, so that laser particles emitted by the laser cutting head can not influence the clamping assembly when the steel pipe is cut;

according to the invention, the positioning assembly is adopted, the positioning assembly can limit the piston block under the action of cooling water, and simultaneously the position of the linkage rod is limited in the fixed sleeve, so that the clamping plate cannot move relative to the fixed sleeve, and the clamping plate can be stably attached to the outer surface of the steel pipe, and the steel pipe cannot shake in the cutting process;

the invention adopts the design of the actuating mechanism, the actuating mechanism can automatically run under the action of the gravity of the steel pipe, so as to connect the electrical connection relationship between the electromagnet and the laser cutting head and the external power supply, compared with a pressure sensor, the actuating mechanism is more sensitive, and a circuit can be automatically connected without waiting for the transmission and processing of signals;

the invention adopts the design of the inclined notch and the water guide notch, the inclined notch can ensure that cooling water enters the cavity from bottom to top, and further, under the condition that the cooling water is stopped to be supplied, the cooling water can be discharged from the cavity to the maximum extent, so that the external acting force of the buoyancy ball disappears, the positioning assembly is convenient to reset, the water guide notch is positioned above the piston block, and then, the external cooling water can enter the water guide cavity through the water guide notch only after the cavity is filled with water, so that the position of the clamping assembly can be fixed in advance before the cooling water flows out.

Drawings

FIG. 1 is a schematic view of an overall apparatus provided in example 1 of the present invention;

FIG. 2 is a front view schematically illustrating the connection between the electric putter and the skateboard as provided in embodiment 1 of the present invention;

FIG. 3 is a schematic side view of the interior of the support stand provided in examples 1 and 2 of the present invention;

fig. 4 is a schematic cross-sectional view of a clamping assembly provided in examples 1 and 2 of the present invention;

fig. 5 is a schematic cross-sectional view of the actuator provided in examples 1 and 2 of the present invention;

FIG. 6 is a schematic view of the connection of a connection electrode and a butt joint provided in examples 1 and 2 of the present invention;

FIG. 7 is a schematic view of the connection of a piston block and a linkage provided in embodiment 3 of the present invention;

FIG. 8 is a schematic view of a piston block provided in example 3 of the present invention;

FIG. 9 is a schematic cross-sectional view of the interior of a cavity provided in example 3 of the present invention;

fig. 10 is a schematic view of a positioning assembly provided in embodiment 3 of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fixed mount; 101. a reference plate; 102. a fixing plate; 103. a chute; 2. a support frame; 201. a connecting plate; 202. fixing the sleeve; 203. a water feeding pipe; 3. a laser cutting head; 4. a clamping assembly; 401. a clamping plate; 402. a linkage rod; 4021. a water guide cavity; 4022. a water guide notch; 403. a linkage magnetic plate; 404. a return spring; 4041. a spring base; 5. a support plate; 6. an actuator; 601. an extrusion head; 602. a limiting plate; 603. a return spring; 604. a transmission rod; 605. a butt joint; 6051. a butt joint groove; 7. an electromagnet; 8. a positioning assembly; 801. positioning a rod; 802. a hinged lever; 803. a buoyant ball; 9. an electric push rod; 901. a connecting lantern ring; 10. a slide plate; 11. a support bar; 12. a piston block; 1201. a cavity; 1202. a notch is obliquely arranged; 1203. fixing the baffle ring; 13. and connecting the electrodes.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 1-6, a first embodiment of the present invention provides a multi-stage linkage synchronous laser pipe cutting machine, which includes a fixing frame 1, a plurality of supporting frames 2, a plurality of laser cutting heads 3, a plurality of clamping assemblies 4, a supporting plate 5, an actuating mechanism 6, an electromagnet 7 and a positioning assembly 8, wherein the plurality of supporting frames 2 are arranged above the fixing frame 1, the number of the laser cutting heads 3 is equal to the number of the supporting frames 2, the plurality of laser cutting heads 3 are respectively fixedly connected with the plurality of supporting frames 2, the clamping assemblies 4 are fixedly mounted on the inner side of the supporting frames 2, the supporting plate 5 is arranged on the inner side of the fixing frame 1, a steel pipe is placed above the supporting plate 5, one end of the fixing frame 1 is provided with a reference plate 101, one side of the reference plate 101 is provided with a clamping groove corresponding to a port of the steel pipe, and the supporting plate 5 is located right below the supporting frame 2, backup pad 5 sets up to the arc, and the inside radian of backup pad 5 is unanimous with the radian of steel pipe outer lane, locating component 8 sets up in the inside of clamping component 4, locating component 8 is used for fixed clamping component 4, actuating mechanism 6 sets up in the below of backup pad 5, actuating mechanism 6 and commercial power electric connection, actuating mechanism 6 is used for being in the same place laser cutting head 3 with commercial power electric connection, 7 magnetism of electro-magnet is connected in the one end of clamping component 4, the relative one end magnetic pole of electro-magnet 7 and clamping component 4 is the same, and the repulsion force to clamping component 4 after 7 circular telegrams of electro-magnet can ensure the centre gripping of clamping component 4 to the steel pipe, avoid in cutting process, the steel pipe takes place the displacement, electro-magnet 7 is connected through the wire with actuating mechanism 6.

When the steel pipe cutting machine is used, firstly, a steel pipe is placed above a supporting plate 5 and is corrected by a reference plate 101, then, the steel pipe extrudes the top end of an execution mechanism 6, the execution mechanism 6 operates and is connected with an electric connection between a laser cutting head 3 and a mains supply, meanwhile, an electromagnet 7 is electrified to generate magnetism, then a clamping component 4 is displaced under the repulsive force of the electromagnet 7, further, the clamping component 4 gradually approaches to the steel pipe, further, the steel pipe is limited above the supporting plate 5, then, a worker can control the laser cutting head 3 to emit laser to melt the part to be cut of the steel pipe through a human-computer interaction device, the human-computer interaction device can select a PLC control system, the worker is required to rotate the steel pipe in the process and can also select a motor for driving, and the technical means commonly used by the worker in the field is not explained in the text.

As shown in fig. 2 and 3, the fixing plate 102 is fixedly mounted at the bottom end of the fixing frame 1, the electric push rod 9 is fixedly mounted above the fixing plate 102, the electric push rod 9 is electrically connected with an external power supply through a PLC control system, the output end of the electric push rod 9 is fixedly sleeved with the connecting sleeve ring 901, the sliding plate 10 is fixedly connected with the upper end of the connecting sleeve ring 901, the sliding plate 10 can slide relative to the fixing frame 1, the supporting rod 11 is fixedly connected to the top end of the sliding plate 10, and the top end of the supporting rod 11 is fixedly connected with the middle part of the lower surface of the supporting plate 5.

As shown in fig. 1 and 2, two sets of sliding grooves 103 have been all seted up to the both sides of mount 1, there are two in every group, one of them set of sliding groove 103 is sliding connection with slide 10, the both ends of slide 10 are fixedly connected with linkage baffle still, the width of linkage baffle is greater than the width of sliding groove 103, thereby alright make slide 10 can not take place crooked condition when sliding along the inside of sliding groove 103, wherein the inside of another set of sliding groove 103 slides and is provided with connecting plate 201 with 2 bottom fixed connection of support frame, and the bottom of connecting plate 201 and the fixed connection of the upper surface of slide 10.

According to the structure, when the distance between two adjacent laser cutting heads 3 is adjusted to needs, the staff at first moves electric putter 9, electric putter 9's output drives the connection lantern ring 901 and removes, connection lantern ring 901 drives slide 10 and removes, slide 10 drives bracing piece 11 and connecting plate 201 synchronous motion, bracing piece 11 drives backup pad 5 and removes, connecting plate 201 drives support frame 2 and removes, support frame 2 drives laser cutting head 3 and removes, and then alright realize laser cutting head 3 and backup pad 5's synchronous motion, can control electric putter 9 through PLC control system respectively and move, a plurality of electric putter 9 of operation that also can be synchronous, realize the purpose of adjusting laser cutting head 3 distance each other with this.

As shown in fig. 3 and 4, a fixing sleeve 202 is fixedly mounted on the inner side of the support frame 2, the fixing sleeve 202 is fixedly sleeved on the outer surface of the electromagnet 7, the fixing sleeve 202 is slidably sleeved on the outer surface of the clamping component 4, and the fixing sleeve 202 is obliquely arranged relative to the support frame 2, so that the clamping component 4 can be limited from two sides above the steel pipe, and meanwhile, the laser emitted by the laser cutting head 3 is prevented from influencing the normal operation of the clamping component 4.

Example 2

Referring to fig. 3-6, a second embodiment of the present invention is based on the previous embodiment.

As shown in fig. 3 and 4, two groups of clamping assemblies 4 are arranged inside each supporting frame 2, the specification and parts of each group of clamping assemblies 4 are consistent, only one of them is taken as an example for explanation, each clamping assembly 4 comprises a clamping plate 401, a linkage rod 402, a linkage magnetic plate 403 and a return spring 404, the clamping plate 401 is arranged below the fixed sleeve 202, the clamping plate 401 is also arc-shaped, the clamping plate 401 is arranged above the center line of the steel pipe, when the clamping plate 401 is attached to the outer surface of the steel pipe, the steel pipe can rotate inside the clamping plate 401 and the supporting plate 5, but the steel pipe cannot shift up and down, the linkage rod 402 is fixedly connected to one side of the clamping plate 401, the linkage rod 402 is slidably inserted inside the fixed sleeve 202, the linkage magnetic plate 403 and one end of the linkage rod 402 located inside the fixed sleeve 202 are fixedly connected, and the linkage magnetic plate 403 and the electromagnet 7 are aligned with each other, when the electromagnet 7 is powered on, the magnetic poles of the linkage magnetic plate 403 and the end opposite to the electromagnet 7 are the same (S pole or N pole), and then a mutual repulsive force exists between the electromagnet 7 and the linkage magnetic plate 403, the return spring 404 is fixedly connected to one side of the linkage magnetic plate 403, the elastic force of the return spring 404 is always smaller than the repulsive force between the electromagnet 7 and the linkage magnetic plate 403, one end of the return spring 404 is fixedly connected with the spring base 4041, the spring base 4041 is fixedly connected with the inner wall of the fixed sleeve 202, and the outer surface of the spring base 4041 is provided with the sealing ring.

Specifically, after the electromagnet 7 is powered on, the linkage magnetic plate 403 slides towards the bottom of the fixed sleeve 202 under the influence of the repulsive force, the linkage magnetic plate 403 extrudes the linkage rod 402 to move synchronously, the linkage rod 402 drives the clamping plate 401 to gradually approach the steel pipe, the linkage magnetic plate 403 can also extrude the reset spring 404 while moving, the reset spring 404 contracts and stores power, after the subsequent electromagnet 7 is powered off, the repulsive force borne by the linkage magnetic plate 403 disappears, at the moment, the reset spring 404 can drive the linkage magnetic plate 403 to reset, the linkage rod 402 and the clamping plate 401 can reset accordingly, and at the moment, a worker can take off the cut steel pipe conveniently.

As shown in fig. 5 and 6, the actuator 6 includes an extrusion head 601, a limiting plate 602, a return spring 603, a transmission rod 604 and an abutment 605, the extrusion head 601 is slidably inserted into the bottom of the supporting plate 5, the extrusion head 601 can be configured to be spherical, and the portion of the extrusion head 601 leaking out of the supporting plate 5 occupies not more than one third of the spherical volume, so that there is no excessive resistance when a worker places a steel pipe, the limiting plate 602 is fixedly connected to the bottom end of the extrusion head 601, the limiting plate 602 is slidably disposed inside the supporting rod 11, the return spring 603 is fixedly connected to the lower surface of the limiting plate 602, the bottom end of the return spring 603 is fixedly connected to the bottom end inside the supporting rod 11, the transmission rod 604 is fixedly connected to the lower surface of the limiting plate 602, the transmission rod 604 penetrates through the supporting rod 11 and extends into the inside the sliding plate 10, and the abutment 605 is fixedly connected to the bottom end of the transmission rod 604, the butt joint 605 and the transmission rod 604 are both made of insulating materials, and both sides of the butt joint 605 are provided with connecting leads which are respectively electrically connected with the laser cutting head 3 and an external power supply.

Further, butt joint groove 6051 has all been seted up to the both sides of butt joint 605 bottom, the equal fixedly connected with connecting electrode 13 of two one ends that the connecting lead is relative, the inside fixed embedding of two butt joint grooves 6051 is equipped with the conductive contact piece that corresponds each other with connecting electrode 13, conductive contact piece can select for use conductive material such as copper sheet, after connecting electrode 13 and conductive contact piece contact, the circuit between two connecting leads this moment also will be put through, and then laser cutting head 3 just is in the same place through connecting lead and external power source electric connection.

According to the structure, after the steel pipe is placed above the supporting plate 5, the steel pipe applies an extrusion force to the extrusion head 601, then the extrusion head 601 drives the limiting plate 602 to move downwards along the inside of the supporting rod 11, the limiting plate 602 drives the transmission rod 604 to descend, the transmission rod 604 drives the butt joint 605 to descend, the butt joint 605 drives the butt joint groove 6051 to be inserted into the outer surface of the connecting electrode 13, at the moment, the connecting electrode 13 can be electrically connected with the conductive contact piece, and therefore a circuit between the two connecting leads is also connected.

Example 3

Referring to fig. 7-10, a third embodiment of the present invention is based on the first two embodiments.

As shown in fig. 7, 8 and 9, the piston block 12 is slidably sleeved inside the fixing sleeve 202, sealing rings are additionally installed on two sides of the piston block 12, the piston block 12 is fixedly sleeved on the outer surface of the linkage rod 402, a cavity 1201 is formed inside the piston block 12, the cavity 1201 is in an annular design, the cavity 1201 is arranged outside the positioning assembly 8, an inclined notch 1202 communicated with the cavity 1201 is formed in the bottom of the piston block 12, and an opening of the inclined notch 1202 faces downward.

As shown in fig. 9 and 10, the positioning assembly 8 includes a positioning rod 801, a hinge rod 802 and a buoyancy ball 803, the positioning rod 801 is slidably inserted into the middle of the piston block 12, a positioning slot corresponding to the positioning rod 801 is formed inside the fixing sleeve 202, after the positioning rod 801 is inserted into the positioning slot, the hinge rod 802 of the piston block 12 is hinged to the bottom of the positioning rod 801, the buoyancy ball 803 is slidably sleeved inside the cavity 1201, one side of the buoyancy ball 803 is hinged to the hinge rod 802, and the density of the buoyancy ball 803 is less than that of water, so that when water flows are filled into the cavity 1201, the buoyancy ball 803 is not only influenced by the buoyancy of water, but also influenced by the extrusion force of water flows, so as to enhance the smoothness of movement of the buoyancy ball 803, open slots hinged to the outer sides of the rod 802 are formed on both the positioning rod 801 and one side of the buoyancy ball 803, and provide a movable space for the hinge rod 802, one side of the buoyancy ball 803 is further provided with a fixed baffle ring 1203 fixedly connected with the inner wall of the cavity 1201, and the fixed baffle ring 1203 is used for limiting the buoyancy ball 803 and preventing the buoyancy ball 803 from drawing the positioning rod 801 into the cavity 1201 through the hinge rod 802.

Furthermore, a water feeding pipe 203 is fixedly installed on one side of the bottom of the fixing sleeve 202, the water feeding pipe 203 can be connected with an external cooling water source through a water pump, a water guide cavity 4021 is formed in the linkage rod 402, a water guide notch 4022 is formed in one side of the upper surface of the linkage rod 402, the water guide notch 4022 is located on one side, facing the spring base 4041, of the piston block 12, and a drain hole communicated with the water guide cavity 4021 is formed in the middle of the clamping plate 401.

It should be noted that, because the water guide notch 4022 is located above the piston block 12, the water flows into the inside of the water guide cavity 4021 through the water feeding pipe 203 and then flows into the inside of the cavity 1201 through the inclined notch 1202, then the water flow extrudes the buoyancy ball 803, the buoyancy ball 803 drives the hinge rod 802 to move upwards, the hinge rod 802 drives the positioning rod 801 to gradually clamp the positioning groove inside, so that the piston block 12 can be fixed inside the fixing sleeve 202, the linkage rod 402 can also be fixed inside the fixing sleeve 202, the clamping plate 401 is stably attached to the outer surface of the steel pipe, and the steel pipe can not drive the clamping plate 401 to shake while rotating.

It should be further noted that after the cooling water enters the inside of the water guide cavity 4021 through the water guide notch 4022, the cooling water flows out of the water discharge hole to the outer surface of the steel pipe, so that the steel pipe can be rapidly dissipated by the high temperature at the laser fusing position, and the cooling water can also reduce the internal temperature of the fixing sleeve 202, thereby preventing the electromagnet 7 from being weakened in magnetism due to the excessively high working temperature.

The working principle of the invention is as follows: the staff at first places the steel pipe in the top of backup pad 5, and after the benchmark board 101 is rectified, the steel pipe will extrude actuating mechanism 6's top this moment, actuating mechanism 6 moves and switches on the electric connection of laser cutting head 3 and commercial power, electro-magnet 7 will be circular telegram simultaneously and also produce magnetism, centre gripping subassembly 4 shifts under the repulsion force of electro-magnet 7 afterwards, and then centre gripping subassembly 4 is close to the steel pipe gradually, and then the steel pipe just is restricted in the top of backup pad 5, staff's accessible man-machine interaction equipment control laser cutting head 3 transmission laser melts the department of waiting to cut off the steel pipe afterwards, and there is the supply of cooling water in the laminating department of clamping plate 401 and steel pipe in the cutting process, so make the high temperature of steel pipe cutting department can be got fast and dispelled.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a multistage linkage synchronous operation's laser pipe cutting machine which characterized in that: the method comprises the following steps:

the laser cutting machine comprises a fixed frame (1), wherein a plurality of supporting frames (2) are arranged above the fixed frame (1), and laser cutting heads (3) are fixedly arranged inside the supporting frames (2);

the clamping assembly (4), the clamping assembly (4) is fixedly arranged on the inner side of the support frame (2);

the supporting plate (5) is arranged on the inner side of the fixing frame (1), a steel pipe is placed above the supporting plate (5), and the supporting plate (5) is located right below the supporting frame (2);

the positioning assembly (8), the positioning assembly (8) is arranged in the clamping assembly (4);

the actuating mechanism (6) is arranged below the supporting plate (5), and the actuating mechanism (6) is electrically connected with a mains supply;

the electromagnet (7) is magnetically connected to one end of the clamping assembly (4), the magnetic poles of the electromagnet (7) and the opposite end of the clamping assembly (4) are the same, and the electromagnet (7) is connected with the executing mechanism (6) through a lead;

the steel pipe clamping device is characterized in that a reference plate (101) is arranged at one end of the fixing frame (1), when the steel pipe is arranged above the supporting plate (5), the executing mechanism (6) is electrically connected with a mains supply, the electromagnet (7) is electrified to generate magnetism and drive the clamping assembly (4) to move, and the clamping assembly (4) is gradually close to the steel pipe.

2. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 1, wherein: the bottom fixed mounting of mount (1) has fixed plate (102), the top fixed mounting of fixed plate (102) has electric putter (9), the fixed cover of output of electric putter (9) has connect the lantern ring (901), the top fixedly connected with slide (10) of the lantern ring (901) of connecting, the top fixedly connected with bracing piece (11) of slide (10), the top of bracing piece (11) and the middle part fixed connection of backup pad (5) lower surface.

3. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 2, wherein: two sets of chutes (103) are respectively formed in two sides of the fixing frame (1), one set of chutes (103) are connected with the sliding plate (10) in a sliding manner, the other set of chutes (103) are provided with a connecting plate (201) fixedly connected with the bottom of the support frame (2) in a sliding manner, and the bottom end of the connecting plate (201) is fixedly connected with the upper surface of the sliding plate (10).

4. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 1, wherein: the inner side of the support frame (2) is fixedly provided with a fixed sleeve (202), the fixed sleeve (202) is fixedly sleeved on the outer surface of the electromagnet (7), and the fixed sleeve (202) is slidably sleeved on the outer surface of the clamping component (4).

5. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 4, wherein: the clamping assembly (4) comprises a clamping plate (401), a linkage rod (402), a linkage magnetic plate (403) and a reset spring (404), the clamping plate (401) is arranged below the fixed sleeve (202), the linkage rod (402) is fixedly connected to one side of the clamping plate (401), the linkage rod (402) is inserted into the fixed sleeve (202) in a sliding mode, the linkage magnetic plate (403) and the linkage rod (402) are located at one end of the inside of the fixed sleeve (202) and fixedly connected with each other, the reset spring (404) is fixedly connected to one side of the linkage magnetic plate (403), one end of the reset spring (404) is fixedly connected with a spring base (4041), and the spring base (4041) is fixedly connected with the inner wall of the fixed sleeve (202).

6. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 5, wherein: the inner part of the fixed sleeve (202) is sleeved with a piston block (12) in a sliding mode, the piston block (12) is fixedly sleeved on the outer surface of the linkage rod (402), a cavity (1201) is formed in the piston block (12), the cavity (1201) is formed in the outer side of the positioning assembly (8), and the bottom of the piston block (12) is provided with an inclined notch (1202) communicated with the cavity (1201).

7. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 6, wherein: locating component (8) include locating lever (801), articulated rod (802) and buoyancy ball (803), locating lever (801) slide and alternate in the middle part of piston piece (12), the constant head tank corresponding with locating lever (801) is seted up to the inside of fixed sleeve (202), articulated rod (802) articulate in the bottom of locating lever (801), the inside of cavity (1201) is located to buoyancy ball (803) sliding sleeve, one side and articulated rod (802) of buoyancy ball (803) are articulated each other, the open slot in the articulated rod (802) outside is all seted up to one side of locating lever (801) and buoyancy ball (803), one side of buoyancy ball (803) still is provided with the fixed retaining ring (1203) with cavity (1201) inner wall fixed connection.

8. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 5, wherein: one side of the bottom of the fixed sleeve (202) is fixedly provided with a water adding pipe (203), a water guide cavity (4021) is formed in the linkage rod (402), a water guide notch (4022) is formed in one side of the upper surface of the linkage rod (402), the water guide notch (4022) is located in one side, facing the spring base (4041), of the piston block (12), and a drain hole communicated with the water guide cavity (4021) is formed in the middle of the clamping plate (401).

9. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 2, wherein: the actuating mechanism (6) comprises an extrusion head (601), a limiting plate (602), a return spring (603), a transmission rod (604) and a butt joint (605), the extrusion head (601) is inserted at the bottom of the supporting plate (5) in a sliding manner, the limiting plate (602) is fixedly connected to the bottom end of the extrusion head (601), the limiting plate (602) is arranged in the supporting rod (11) in a sliding manner, the return spring (603) is fixedly connected to the lower surface of the limiting plate (602), the bottom end of the return spring (603) is fixedly connected to the bottom end of the inside of the supporting rod (11), the transmission rod (604) is fixedly connected to the lower surface of the limiting plate (602), the transmission rod (604) penetrates through the supporting rod (11) and extends to the inside of the sliding plate (10), the butt joint (605) is fixedly connected to the bottom end of the transmission rod (604), and connecting leads are arranged on two sides of the butt joint (605), the two connecting leads are respectively and electrically connected with the laser cutting head (3) and an external power supply.

10. The multi-segment linkage synchronous operation laser pipe cutting machine of claim 9, wherein: butt joint groove (6051) have all been seted up to the both sides of butt joint (605) bottom, two the equal fixedly connected with connecting electrode (13) of the relative one end of connecting lead wire, two the inside fixed the inlaying of butt joint groove (6051) is equipped with the conductive contact who corresponds each other with connecting electrode (13).