CN110640314A

CN110640314A - Debris collecting device of laser cutting machine

Info

Publication number: CN110640314A
Application number: CN201911136755.3A
Authority: CN
Inventors: 邓聪迪
Original assignee: Taizhou Jiaojiang Yunrui Machinery Technology Development Co Ltd
Current assignee: Taizhou Jiaojiang Yunrui Machinery Technology Development Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-01-03

Abstract

The invention discloses a debris collecting device of a laser cutting machine, which comprises a cutting table, wherein a clamping table is fixed on the upper end surface of the cutting table, a movable laser cutter is arranged at the upper end of the clamping table, a clamping cavity which penetrates through the left and right end surfaces of the clamping table and is penetrated by a pipe is arranged in the clamping table, a clamping mechanism which can clamp the pipe and can drive the pipe to rotate and translate is arranged in the clamping table, a driving mechanism for driving the driving device to operate is also arranged in the clamping table, a collecting cavity with an upward opening is also arranged in the cutting table, a collecting block capable of collecting debris is arranged in the collecting cavity, and the device automatically removes the debris generated by laser cutting left in the pipe after each time of pipe rotation, so that the influence of the debris on the cutting is avoided when the pipe is cut again, the cutting quality is ensured, and the cut debris is collected by the collecting block, and after the cutting is finished, the chips scattered on the upper side of the cutting table do not need to be manually cleaned, so that the labor is saved.

Description

Debris collecting device of laser cutting machine

Technical Field

The invention relates to the field of cutting, in particular to a chip collecting device of a laser cutting machine.

Background

When the pipe is cut, in order to achieve high efficiency and safety in cutting, laser cutting is mostly adopted at the present stage, so that the situation of spark splashing in the traditional cutting process is avoided;

at present stage, when laser cutting, the cutting of single face, the piece of leaving over can drop inside, and when tubular product rotated the back, when laser cutting once more, the piece of leaving over can influence the quality of cutting, and current device when cutting tubular product, and the piece that the cutting produced can be scattered on the operation panel, when the cutting was ended, needs artifical manual clearance, and work load increases.

Disclosure of Invention

The invention aims to provide a chip collecting device of a laser cutting machine, which solves the problems that the chip collecting and cleaning are troublesome, the chips left in a pipe can influence the cutting and the like, improves the cleaning efficiency and reduces the influence of the cutting of the chips.

The invention is realized by the following technical scheme.

The debris collecting device of the laser cutting machine comprises a cutting table, wherein a clamping table is fixed on the upper end surface of the cutting table, a movable laser cutting machine is arranged at the upper end of the clamping table, a clamping cavity which penetrates through the left end surface and the right end surface of the clamping table and is penetrated by a pipe is arranged in the clamping table, a clamping mechanism which can clamp the pipe and can drive the pipe to rotate and translate is arranged in the clamping table, a driving mechanism for driving the pipe to operate is further arranged in the clamping table, a collecting cavity with an upward opening is further arranged in the cutting table, and a collecting block capable of collecting debris is arranged in the collecting cavity;

the upper end face of the cutting table is also provided with a pushing mechanism which can stretch into a pipe to clean debris, the pushing mechanism comprises a supporting block fixed on the upper end face of the cutting table, a moving rod penetrating through the left and right end faces of the supporting block is arranged in the supporting block, the left end of the moving rod is provided with six rotating grooves communicated with the external space, a rotating shaft is rotatably connected between the front end wall and the rear end wall of each rotating groove, the rotating shaft is connected with the end walls of the rotating grooves through torsion springs, a pushing plate capable of pushing out the debris in the pipe is further fixed on the rotating shaft, six compression cavities with right openings and annularly distributed by taking the moving rod as the center are further arranged in the supporting block, ejector rods with right ends positioned in the external space are arranged in the compression cavities, compression cavities connected with the ejector rods and the left end wall of the compression cavities are further arranged in the compression cavities, and a chain is fixed at, the left end of the chain penetrates through the left end wall of the compression cavity, the moving rod and the end wall of one side of the rotating groove and is fixedly connected with the pushing plate, and a moving mechanism capable of driving the moving rod to move left and right is further arranged in the cutting table;

when laser cutting is started, after the clamping mechanism clamps the pipe, the driving mechanism works to drive the clamping mechanism to move, so that the pipe is controlled to move horizontally or rotate, when the pipe rotates, the moving mechanism works to control the pushing mechanism to move, after the pipe rotates, the pushing mechanism just starts to clean up scraps in the pipe, and when the pipe moves horizontally, the laser cutter starts to perform laser cutting.

Furthermore, the clamping mechanism comprises a first annular cavity which is arranged by taking the clamping cavity as a center, a second annular cavity which is communicated with the clamping cavity is further arranged in the right end wall of the first annular cavity, a driving cavity which is communicated with the first annular cavity and the second annular cavity is arranged in the lower end wall of the first annular cavity, a ring gear is fixedly connected in the first annular cavity, an annular block which can be penetrated through by a pipe is slidably connected in the second annular cavity, two extension springs which are fixedly connected with the right ends of the two annular cavities and the right end wall of the second annular cavity are fixed at the right ends of the annular block, two driven cavities with leftward openings are arranged in the annular block, a spring plate is slidably connected in the driven cavities, a first electromagnet is fixed on the right end wall of each driven cavity, the first electromagnet is fixedly connected with the spring plate through a connecting spring, and the left end of the spring plate is fixed with the left end of the first annular cavity and fixedly connected with the ring, still be equipped with the intercommunication in the annular piece press from both sides two spring grooves in the tight chamber, be equipped with one end in the spring groove press from both sides tight piece that the tight intracavity just can press from both sides tight tubular product, press from both sides tight piece with through clamp spring fixed connection between the spring groove end wall, the spring board right-hand member is fixed with the right-hand member and runs through from the chamber right-hand member wall with spring groove end wall and with press from both sides tight piece fixed connection.

Further, actuating mechanism is including fixing the driving motor of drive chamber right-hand member wall, driving motor left end power is connected with the drive shaft, drive shaft left end sliding connection has the upper end to be located in first ring chamber and can with ring gear lower extreme meshed drive gear, drive shaft right-hand member screw-thread fit has two drive blocks, two be equipped with the upper end between the drive block and run through under the second ring chamber end wall and with ring block fixed connection's connecting block, be equipped with the ascending spacing chamber of opening in the drive chamber end wall, spacing intracavity is equipped with and restricts the drive block with drive gear pivoted limiting plate and support two supporting spring of limiting plate, spacing chamber end wall down be fixed with can with the limiting plate repulses mutually exclusive second electro-magnet.

Further, the moving mechanism comprises a moving cavity with an upward opening, a magnet block is fixed on the left end wall of the moving cavity, a lifting cavity with an upward opening is arranged in the lower end wall of the moving cavity, an iron plate with an upper end capable of absorbing the magnet block is arranged in the lifting cavity, a lifting spring for supporting the iron plate is further arranged in the lifting cavity, a through cavity penetrating through the iron plate and communicated with the lifting cavity is further arranged in the iron plate, a thin rope with a lower end penetrating through the lower end wall of the lifting cavity and the lower end wall of the limiting cavity and fixedly connected with the limiting plate is fixed on the lower end of the iron plate, a moving plate with an upper end positioned in an external space and fixedly connected with the right end of the moving rod is slidably connected in the moving cavity, the lower end of the moving plate can absorb the magnet block, and the lower end of the moving plate is fixedly connected with the left end, the movable cavity is internally and slidably connected with a third electromagnet, the upper end of the third electromagnet is located in an external space, a movable spring, the left end of which is connected with the third electromagnet, is fixed on the right end wall of the movable cavity, a driven plate is fixed on the upper end of the third electromagnet, an ejection cavity with a right opening is further arranged in the supporting block, an ejection block, the right end of which is located in the external space, is arranged in the ejection cavity, an ejection spring, the left end of which is fixedly connected with the left end wall of the ejection cavity, is fixed on the left end of the ejection block, a rope, the left end of which penetrates through the right end surface of the supporting block and the left end wall of the ejection cavity and is fixedly connected with the ejection block, and a reset spring, the right end of which is penetrated by the right end of.

Furthermore, the elastic force of the return spring is far greater than the sum of the magnetic force between the moving plate and the third electromagnet, the elastic force of the moving spring, the elastic force of the ejection spring and the elastic force of the compression spring, the magnetic force between the moving plate and the third electromagnet is far greater than the elastic force of the moving spring, the magnetic force between the magnet block and the moving plate is far greater than the elastic force of the return spring, the magnetic force between the second electromagnet and the limiting plate is far greater than the elastic force of the support spring, the magnetic force between the first electromagnet and the spring plate is far greater than the elastic force of the connection spring, the elastic force of the connection spring is far greater than the elastic force of the clamping spring, and the elastic force of the compression spring is far greater than the elastic force of the torsion spring.

Further, under the initial condition, clamping spring, remove the spring ejecting spring with compression spring all is in compression state, torsion spring is in by the torsional state, and all the other springs are in normal tension state, limiting plate upper end with drive block lower extreme and the meshing of drive gear lower extreme and restriction the drive block with drive gear rotates.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device rotate the back at tubular product at every turn, and the piece that the inside laser cutting of tubular product produced is left over in the automatic clear to avoid when cutting tubular product once more, the piece is to the influence of cutting, thereby guarantees the quality of cutting, and the piece of cutting is collected by the collection piece, and after the cutting was accomplished, does not need artifical manual clearance to scatter at the piece of cutting bed upside, thereby saves the labour.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1 according to the embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The debris collecting device of the laser cutting machine described with reference to fig. 1-4 includes a cutting table 10, a clamping table 74 is fixed on an upper end surface of the cutting table 10, a movable laser cutter 21 is disposed on an upper end of the clamping table 74, a clamping chamber 17 penetrating through left and right end surfaces of the clamping table 74 and penetrated by a pipe is disposed in the clamping table 74, a clamping mechanism 71 capable of clamping the pipe and driving the pipe to rotate and translate is disposed in the clamping table 74, a driving mechanism 72 for driving the driving mechanism to operate is further disposed in the clamping table 74, a collecting chamber 56 with an upward opening is further disposed in the cutting table 10, a collecting block 55 capable of collecting debris is disposed in the collecting chamber 56, a pushing mechanism 73 capable of extending into the pipe to clean debris is further disposed on an upper end surface of the cutting table 10, the pushing mechanism 73 includes a supporting block 60 fixed on the upper end surface of the cutting table 10, the pipe fitting structure is characterized in that a moving rod 42 penetrating through the left end face and the right end face of the supporting block 60 is arranged in the supporting block 60, six rotating grooves 32 communicated with the external space are formed in the left end of each moving rod 42, a rotating shaft 30 is rotatably connected between the front end wall and the rear end wall of each rotating groove 32, each rotating shaft 30 is connected with the end walls of the corresponding rotating groove 32 through a torsion spring 31, a pushing plate 37 capable of pushing out scraps in a pipe is further fixed on each rotating shaft 30, six right-opening compression cavities 36 which are annularly distributed by taking the moving rods 42 as centers are further arranged in the supporting block 60, ejection rods 40 with right ends located in the external space are arranged in the compression cavities 36, compression cavities 36 connected with the ejection rods 40 and the left end wall of the compression cavities 36 are further arranged in the compression cavities 36, a chain 41 is fixed at the left end of each ejection block 59, and the left end wall of, The carriage release lever 42 and rotate a side end wall of groove 32 and with slurcam 37 fixed connection, still be equipped with in the cutting bed 10 and drive moving mechanism 70 that removes about carriage release lever 42, when beginning laser cutting, behind clamping mechanism 71 clamp tube material, actuating mechanism 72 work, thereby drive clamping mechanism 71 moves to control tubular product translation or rotation, when tubular product rotates, moving mechanism 70 work control pushing mechanism 73 moves, after tubular product rotates the completion, pushing mechanism 73 just begins to accomplish the clearance to the interior clastic of tubular product, when the tubular product translation, laser cutter 21 work begins laser cutting.

Advantageously, the clamping mechanism 71 comprises a first annular cavity 18 arranged by centering on the clamping cavity 17, a second annular cavity 22 communicated with the clamping cavity 17 is further arranged in the right end wall of the first annular cavity 18, a driving cavity 15 communicated with the first annular cavity 18 and the second annular cavity 22 is arranged in the lower end wall of the first annular cavity 18, a ring gear 19 is fixedly connected in the first annular cavity 18, a ring block 61 capable of penetrating a pipe material at the center is slidably connected in the second annular cavity 22, two extension springs 23 fixedly connected with the right end and the right end wall of the second annular cavity 22 are fixed at the right end of the ring block 61, two driven cavities 63 with left openings are arranged in the ring block 61, a spring plate 75 is slidably connected in the driven cavities 63, a first electromagnet 64 is fixed on the right end wall of the driven cavities 63, and the first electromagnet 64 is fixedly connected with the spring plate 75 through a connecting spring 62, the left end of the spring plate 75 is fixed with a left end which penetrates through the right end wall of the first annular cavity 18 and is fixedly connected with the annular gear 19, two spring grooves 67 which are communicated with the clamping cavity 17 are further formed in the annular block 61, one end of the spring groove 67 is provided with a clamping block 68 which is located in the clamping cavity 17 and can clamp a pipe, the clamping block 68 is fixedly connected with the end wall of the spring groove 67 through a clamping spring 66, and the right end of the spring plate 75 is fixed with a right end which penetrates through the right end wall of the driven cavity 63 and the end wall of the spring groove 67 and is fixedly connected with the clamping block 68.

Advantageously, said drive means 72 comprise a drive motor 26 fixed to the right end wall of said drive chamber 15, the left end of the driving motor 26 is in power connection with a driving shaft 14, the left end of the driving shaft 14 is in sliding connection with a driving gear 16 which is positioned in the first annular cavity 18 and can be meshed with the lower end of the annular gear 19, two driving blocks 25 are in threaded fit at the right end of the driving shaft 14, a connecting block 24 with the upper end penetrating through the lower end wall of the second annular cavity 22 and fixedly connected with the annular block 61 is arranged between the two driving blocks 25, a limiting cavity 29 with an upward opening is arranged in the lower end wall of the driving cavity 15, a limiting plate 27 capable of limiting the rotation of the driving block 25 and the driving gear 16 and two supporting springs 28 supporting the limiting plate 27 are arranged in the limiting cavity 29, and a second electromagnet 57 which can repel with the limiting plate 27 is fixed on the lower end wall of the limiting cavity 29.

Beneficially, the moving mechanism 70 includes a moving cavity 49 with an upward opening, a magnet block 53 is fixed on the left end wall of the moving cavity 49, a lifting cavity 51 with an upward opening is arranged in the lower end wall of the moving cavity 49, an iron plate 52 with an upper end capable of attracting the magnet block 53 is arranged in the lifting cavity 51, a lifting spring 50 supporting the iron plate 52 is further arranged in the lifting cavity 51, a through cavity 11 penetrating through the iron plate 52 and communicating with the lifting cavity 51 is further arranged in the iron plate 52, a thin rope 54 with a lower end penetrating through the lower end wall of the lifting cavity 51 and the lower end wall of the limiting cavity 29 and fixedly connected with the limiting plate 27 is fixed on the lower end wall of the iron plate 52, a moving plate 47 with an upper end located in an external space and fixedly connected with the right end of the moving rod 42 is slidably connected in the moving cavity 49, the lower end of the moving plate 47 can attract the magnet block 53, and the lower end of the moving plate 47 is fixedly connected with the left end wall, a third electromagnet 46 with the upper end located in the external space is further connected in the moving cavity 49 in a sliding manner, a moving spring 45 with the left end connected with the third electromagnet 46 is fixed on the right end wall of the moving cavity 49, a driven plate 44 is fixed on the upper end of the third electromagnet 46, an ejection cavity 34 with a right opening is further arranged in the supporting block 60, an ejection block 59 with the right end located in the external space is arranged in the ejection cavity 34, an ejection spring 33 with the left end fixedly connected with the left end wall of the ejection cavity 34 is fixed on the left end of the ejection block 59, a rope 39 with the left end penetrating through the right end surface of the supporting block 60 and the left end wall of the ejection cavity 34 and fixedly connected with the ejection block 59 is fixed on the rear end of the driven plate 44, and a return spring 48 which is penetrated through by the right end of the moving rod 42 and is in contact with the right end of the ejection rod 40.

Advantageously, the elastic force of the return spring 48 is much greater than the sum of the elastic force of the moving spring 45, the elastic force of the ejecting spring 33 and the elastic force of the compression spring 35, the magnetic force between the magnet block 53 and the moving plate 47 is much greater than the elastic force of the return spring 48, the magnetic force between the second electromagnet 57 and the stopper plate 27 is much greater than the elastic force of the support spring 28, the magnetic force between the first electromagnet 64 and the spring plate 75 is much greater than the elastic force of the connecting spring 62, the elastic force of the connecting spring 62 is much greater than the elastic force of the clamping spring 66, and the elastic force of the compression spring 35 is much greater than the elastic force of the torsion spring 31.

Advantageously, in the initial state, the clamping spring 66, the moving spring 45, the ejecting spring 33 and the compression spring 35 are all in a compressed state, the torsion spring 31 is in a twisted state, the rest of the springs are all in a normal tension state, the upper end of the limit plate 27 is engaged with the lower end of the driving block 25 and the lower end of the driving gear 16, and the driving block 25 and the driving gear 16 are limited from rotating.

Sequence of mechanical actions of the whole device:

1: a pipe to be cut penetrates through the clamping cavity 17, at the moment, the first electromagnet 64 works and attracts the spring plate 75, the spring plate 75 moves rightwards, so that the connecting rod 20 is driven to move rightwards, the ring gear 19 is meshed with the driving gear 16, the spring plate 75 moves rightwards, the pull rope 65 is loosened, the clamping spring 66 is reset, the clamping block 68 is ejected out, the pipe located in the clamping cavity 17 is clamped, and the connecting spring 62 is compressed in the process that the spring plate 75 moves rightwards;

2: after the pipe is clamped, the laser cutter 21 starts to work to cut the pipe by laser, when the pipe is required to move left and right, the driving motor 26 works to drive the driving shaft 14 to grab the pipe, so as to drive the driving block 25 to move left and right, so as to drive the connecting block 24 to move left and right, so as to drive the annular block 61 to move left and right, so as to drive the pipe to move left and right, and the annular block 61 moves left and right, so that the annular gear 19 moves left and right through the transmission of the connecting rod 20, at the moment, the annular gear 19 and the driving gear 16 are always in a meshed state, the driving gear 16 is limited by the limiting plate 27, and when the driving shaft 14 rotates;

3: when the laser cutter 21 cuts the pipe, some chips generated by cutting are left inside the pipe, when the pipe needs to be cut rotationally, the second electromagnet 57 works to drive the limiting plate 27 to descend, so that the limiting plate 27 does not limit the rotation of the driving gear 16 and the driving block 25, at the moment, the driving motor 26 works to drive the driving shaft 14 to rotate, so as to drive the driving gear 16 and the driving block 25 to rotate, the driving block 25 does not move left and right, the rotation of the driving gear 16 drives the annular gear 19 to rotate, the annular block 61 is driven to rotate through the transmission of the connecting rod 20, so as to drive the clamped pipe to rotate, when the pipe rotates to a surface needing to be processed, the driving motor 26 stops working, the thin rope 54 is loosened by descending of the limiting plate 27, the lifting spring 50 is reset to drive the iron plate 52 to move upwards, so that the through cavity 11 faces the block 53, at the moment, the magnet block 53 and, at this time, the moving plate 47 moves leftwards to drive the moving rod 42 to move leftwards, at this time, the chain 41 loosens, the compression spring 35 resets to drive the ejector rod 40 to move rightwards, when the moving plate 47 moves leftwards, the third electromagnet 46 moves leftwards under the action of the moving spring 45 to drive the driven plate 44 to move leftwards, so that the rope 39 loosens, the ejector spring 33 resets to drive the ejector block 59 to move rightwards, so that the pressing plate 38 moves rightwards, when the compression spring 35 is completely loosened, the pipe stops rotating, and the left end of the moving rod 42 enters the pipe, at this time, the moving rod 42 continues moving leftwards, so that the chain 41 continues to loosen, so that the torsion spring 31 resets to rotate the rotating shaft 30, so that the pushing plate 37 rotates, the pushing plate 37 contacts with the inner wall of the pipe in the Sublinks, at this time, the moving rod 42 does not move leftwards any more, the moving plate 47 is in contact with the right end of the pressing plate 38;

4: when the moving rod 42 stops moving leftward, the second electromagnet 57 works to repel the stopper plate 27, so that the stopper plate 27 is reset, and the string 54 is tightened again, so that the iron plate 52 descends, the lifting spring 50 is compressed, the magnetic force between the magnet block 53 and the moving plate 47 is reduced due to the descending of the iron plate 52, the magnet block 53 is attracted to the iron plate 52, at this time, the restoring spring 48 resets to drive the moving plate 47 to move rightward, the third electromagnet 46 works to repel the moving plate 47, when the moving plate 47 moves rightward, the third electromagnet 46 moves rightward, so that the driven plate 44 is driven to move rightward, so that the rope 39 is tightened, so that the ejector block 59 is driven to move leftward, so that the pressing plate 38 is driven to move leftward, so that the ejector rod 40 is driven to move leftward, so that the chain 41 is loosened, and the moving plate 47 moves rightward, so that the moving rod 42 moves rightward, so that the chain, the ejection block 59 moves leftwards to firstly release the lock chain 41, the torsion spring 31 cannot be twisted, the moving rod 42 moves rightwards to drive the pushing plate 37 to move rightwards, so that the pushing plate 37 drives the scraps in the pipe to leave the pipe and enter the collecting cavity 56 to be collected by the collecting block 55, when the third electromagnet 46 moves rightmost, the moving spring 45 is compressed and reset, the ejection spring 33 and the compression spring 35 are also compressed and reset, the left end of the moving rod 42 leaves the pipe, at the same time, the moving plate 47 continues moving rightwards to drive the moving rod 42 to reset, at the same time, the lock chain 41 is tensioned, so that the pushing plate 37 rotates back to the rotating groove 32, the rotating shaft 30 rotates, the torsion spring 31 is twisted and reset, and when the moving rod 42 resets, the third electromagnet 46 stops working;

5, when the pipe is cut, the first electromagnet 64 stops working, the connecting spring 62 resets to drive the spring plate 75 to move leftwards and reset, so that the connecting rod 20 and the ring gear 19 are driven to move leftwards and reset, the pull rope 65 is tensioned when the spring plate 75 moves leftwards, so that the clamping block 68 is driven to return to the spring groove 67 and no longer clamps the pipe, the clamping spring 66 is recompressed, the pipe can be removed, the laser cutter 21 is closed, cutting is completed, and debris is collected in the collecting block 55.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a laser cutting machine's piece collection device, includes the cutting bed, its characterized in that: a clamping table is fixed on the upper end face of the cutting table, a movable laser cutter is arranged at the upper end of the clamping table, a clamping cavity which penetrates through the left end face and the right end face of the clamping table and is penetrated by a pipe is arranged in the clamping table, a clamping mechanism which can clamp the pipe and can drive the pipe to rotate and translate is arranged in the clamping table, a driving mechanism for driving a device to operate is further arranged in the clamping table, a collecting cavity with an upward opening is further arranged in the cutting table, and a collecting block capable of collecting debris is arranged in the collecting cavity;

2. The debris collecting device of a laser cutting machine according to claim 1, characterized in that: the clamping mechanism comprises a first annular cavity which is arranged by taking the clamping cavity as a center, a second annular cavity which is communicated with the clamping cavity is further arranged in the right end wall of the first annular cavity, a driving cavity which is communicated with the first annular cavity and the second annular cavity is arranged in the lower end wall of the first annular cavity, a ring gear is fixedly connected in the first annular cavity, an annular block which can be penetrated through by a pipe is connected in the second annular cavity in a sliding manner, two extension springs which are fixedly connected with the right ends of the annular block and the right end wall of the second annular cavity are fixed at the right ends of the annular block, two driven cavities with leftward openings are arranged in the annular block, a spring plate is connected in the driven cavities in a sliding manner, a first electromagnet is fixed on the right end wall of the driven cavity, the first electromagnet is fixedly connected with the spring plate through a connecting spring, and the left end of the spring plate is fixed with the first right end wall and fixedly, still be equipped with the intercommunication in the annular piece press from both sides two spring grooves in the tight chamber, be equipped with one end in the spring groove press from both sides tight piece that the tight intracavity just can press from both sides tight tubular product, press from both sides tight piece with through clamp spring fixed connection between the spring groove end wall, the spring board right-hand member is fixed with the right-hand member and runs through from the chamber right-hand member wall with spring groove end wall and with press from both sides tight piece fixed connection.

3. The debris collecting device of a laser cutting machine according to claim 2, characterized in that: actuating mechanism is including fixing the driving motor of drive chamber right side end wall, driving motor left end power connection has the drive shaft, drive shaft left end sliding connection has the upper end to be located in first ring chamber and can with ring gear lower extreme meshed drive gear, drive shaft right-hand member screw-thread fit has two drive blocks, two be equipped with the upper end between the drive block and run through second ring chamber lower extreme wall and with ring block fixed connection's connecting block, be equipped with the ascending spacing chamber of opening in the drive chamber lower extreme wall, spacing intracavity is equipped with and restricts the drive block with drive gear pivoted limiting plate and support two supporting spring of limiting plate, spacing chamber lower extreme wall be fixed with can with the limiting plate repels mutually repellent second electro-magnet.

4. The debris collecting device of a laser cutting machine according to claim 3, characterized in that: the moving mechanism comprises a moving cavity with an upward opening, a magnet block is fixed on the left end wall of the moving cavity, a lifting cavity with an upward opening is arranged in the lower end wall of the moving cavity, an iron plate with an upper end capable of absorbing with the magnet block is arranged in the lifting cavity, a lifting spring for supporting the iron plate is further arranged in the lifting cavity, a through cavity which runs through the iron plate and is communicated with the lifting cavity is further arranged in the iron plate, the lower end of the iron plate is fixed with a string with a lower end running through the lower end wall of the lifting cavity and the lower end wall of the limiting cavity and is fixedly connected with the limiting plate, a moving plate with an upper end positioned in an external space and fixedly connected with the right end of the moving rod is slidably connected in the moving cavity, a lower end of the moving plate can absorb with the magnet block, a lower end of the moving plate is fixedly connected with the left end wall of the moving cavity through a reset spring, and, the movable spring with the left end connected with the third electromagnet is fixed on the right end wall of the movable cavity, the driven plate is fixed on the upper end of the third electromagnet, an ejection cavity with the opening facing right is further arranged in the supporting block, an ejection block with the right end located in the external space is arranged in the ejection cavity, the ejection spring with the left end fixedly connected with the left end wall of the ejection cavity is fixed on the left end of the ejection block, a rope with the left end penetrating through the right end surface of the supporting block and the left end wall of the ejection cavity and fixedly connected with the ejection block is fixed on the rear end of the driven plate, and a reset spring which is penetrated through by the right end of the movable rod and is contacted with the right end of the ejection rod is fixed on the right.

5. The debris collecting device of a laser cutting machine according to claim 4, wherein: the elastic force of the reset spring is far greater than the sum of the magnetic force between the moving plate and the third electromagnet, the elastic force of the moving spring, the elastic force of the ejection spring and the elastic force of the compression spring, the magnetic force between the moving plate and the third electromagnet is far greater than the elastic force of the moving spring, the magnetic force between the magnet block and the moving plate is far greater than the elastic force of the reset spring, the magnetic force between the second electromagnet and the limiting plate is far greater than the elastic force of the support spring, the magnetic force between the first electromagnet and the spring plate is far greater than the elastic force of the connection spring, the elastic force of the connection spring is far greater than the elastic force of the clamping spring, and the elastic force of the compression spring is far greater than the elastic force of the torsion.

6. The debris collecting device of a laser cutting machine according to claim 4, wherein: under the initial state, clamping spring, remove the spring ejecting spring with compression spring all is in compression state, torsion spring is in by the torsional state, and all the other springs are all in normal tension state, limiting plate upper end with the driving block lower extreme and the meshing of drive gear lower extreme and restriction the driving block with drive gear rotates.