CN113458621A

CN113458621A - Optical fiber laser cutting machine

Info

Publication number: CN113458621A
Application number: CN202110782345.7A
Authority: CN
Inventors: 汤鹏飞
Original assignee: Shenzhen Dapeng Laser Technology Co ltd
Current assignee: Shenzhen Dapeng Laser Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-10-01

Abstract

The invention discloses an optical fiber laser cutting machine which comprises a laser cutting machine, an optical fiber laser cutting device, a conveying device, a driving device and a clamping plate, wherein the optical fiber laser cutting device is slidably installed inside the top end of the laser cutting machine, the conveying device is slidably installed inside the laser cutting machine and located on the outer surface of the optical fiber laser cutting device, the driving device is fixedly installed on the peripheral edge of the center of the inside of the laser cutting machine, the clamping plate is slidably installed inside the laser cutting machine, the inside of the laser cutting machine comprises a collecting table, a limiting shaft hole, a limiting slide way, dustproof folding cloth, a supporting frame and a protective side plate, and the limiting slide way is symmetrically arranged in the centers of two sides of the inside of the laser cutting machine. According to the invention, the conveying device slides synchronously along with the optical fiber laser cutting device, so that the cut metal blocks can be transported synchronously, and thus the cut metal blocks can rapidly enter the next procedure, and the time waste is avoided.

Description

Optical fiber laser cutting machine

Technical Field

The invention relates to the technical field of optical fiber laser cutting machine equipment, in particular to an optical fiber laser cutting machine.

Background

The optical fiber laser cutting machine can be used for plane cutting and oblique angle cutting, has neat and smooth edges, is suitable for high-precision cutting processing of metal plates and the like, can be used for three-dimensional cutting to replace five-axis laser which is imported originally, saves more space and gas consumption compared with a common carbon dioxide laser cutting machine, has high photoelectric conversion rate, is a new energy-saving and environment-friendly product, wherein the optical fiber laser cutting machine melts metal materials by laser heating, then blows non-oxidizing gas through a nozzle coaxial with a light beam to remove liquid metal by means of strong pressure of the gas to form a cutting seam, and is mainly used for cutting materials which are not easy to oxidize or active metals such as stainless steel, titanium, aluminum and alloys thereof when the optical fiber laser cutting machine is used

However, the existing optical fiber laser cutting machine still has some disadvantages in the using process, such as: the cutting of present optic fibre laser cutting machine is accomplishing the back to the metal sheet, the metal block after the cutting can drop in the metal sheet is inside, and the metal block can fall to the support frame surface, the metal block can't separate with the metal sheet completely simultaneously, lead to the metal block after the cutting, need wait until optic fibre laser cutting machine stop operation, just can take the metal block, thereby can't make the metal block after the cutting get into the processing of next process fast, and cause the waste of time, so need an optic fibre laser cutting machine, in order to solve the problem that proposes in the aforesaid.

Disclosure of Invention

The present invention is directed to a fiber laser cutting machine to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: an optical fiber laser cutting machine comprises a laser cutting machine, an optical fiber laser cutting device, a conveying device, a driving device and a clamping plate, wherein the optical fiber laser cutting device is slidably mounted inside the top end of the laser cutting machine;

laser cutting machine's inside is including collecting platform, spacing shaft hole, spacing slide, dustproof plait, support frame and protection curb plate, the inside both sides center at laser cutting machine is seted up to spacing slide symmetry, spacing shaft hole symmetry is seted up in laser cutting machine's inside both sides and is located the both ends edge of spacing slide, collect the inside one end edge of platform welding at laser cutting machine, protection curb plate fixed connection is at surface one side top surface below edge of laser cutting machine, support frame fixed mounting is at laser cutting machine's one end side edge, dustproof plait turns to the slip cup joint at laser cutting machine's top surface both sides edge.

Preferably, the fiber laser cutting device comprises a limiting shaft sleeve, a cutter, a supporting guide rail and a laser cutting head inside, the cutter is slidably mounted on the outer surface of the top of the supporting guide rail, the limiting shaft sleeve is symmetrically welded on the outer surface edges of two sides of the top of the cutter, and the laser cutting head is slidably mounted in the center of the bottom surface of the cutter.

Preferably, conveyor's inside includes conveyer belt, pivot sleeve, fixed frame, guide arm, transmission fluted disc and cup joints the hole, the top surface both sides edge at fixed frame of guide arm symmetric welding, the joint is rotated at fixed frame's bottom surface both ends edge center to the transmission fluted disc symmetry, the transmission fluted disc symmetric welding is at the telescopic both ends edge surface of pivot, cup joint the hole symmetry and set up at fixed frame's side both ends bottom edge, the conveyer belt rotates and cup joints the surface at the transmission fluted disc.

Preferably, drive arrangement's inside includes transmission shaft, driving motor, joint piece, drive chain and gear, the one end of transmission shaft is rotated and is cup jointed at drive chain's one end edge internal surface, the even welding of joint piece is at the surface of transmission shaft, driving motor's a terminal surface center rotates and connects a terminal surface at the transmission shaft, the gear symmetric welding is at the both ends edge surface of transmission shaft.

Preferably, the inside of joint board includes extrusion screw, joint groove and spacing cardboard, the top surface side at the joint board is seted up in the joint groove, spacing cardboard symmetry welding is at the both ends face of joint board, the symmetrical spiral connection of extrusion screw is at the both ends side edge of joint board.

Preferably, the joint is rotated mutually at the inside both ends edge through spacing shaft hole and laser cutting machine at the both ends of transmission shaft, fixed frame cup joints with the surface of transmission shaft through cup jointing hole at both ends mutually sliding, six groove jacks have been seted up in telescopic terminal surface of pivot link up, the pivot sleeve cup joints with the surface of transmission shaft through six groove jacks mutually sliding.

Preferably, driving motor passes through support frame fixed mounting at laser cutting machine's one end side edge, dustproof plaiting slides and cup joints top surface both sides edge at laser cutting machine, the cutterbar slides mutually with the surface of guide arm through the spacing axle sleeve of both sides top surface and cup joints, the joint board slides the joint mutually through the spacing cardboard at both ends and the spacing slide of the inside both sides face of laser cutting machine, the side of collecting the platform is located the one end bottom edge of conveyer belt at laser cutting machine's inside one end.

Preferably, the bottom surface center edge of the cutter is provided with an auxiliary blanking device in a sliding mode, the auxiliary blanking device comprises an insertion column, a hoop, a buffer spring and a rubber block, the insertion column is uniformly welded on the outer surface of the hoop, the rubber block is fixedly connected to the center of the bottom surface of the insertion column, and the buffer spring is sleeved on the outer surface of the insertion column.

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

the invention can drive the conveying device to integrally slide transversely while the cutter slides through the sliding sleeve connection of the limiting shaft sleeve and the outer surface of the guide rod, thereby leading the conveying device to slide synchronously along with the cutter, avoiding the dislocation of the upper surface of the conveying belt and the position under the cutter, effectively ensuring that the falling metal blocks fall on the upper surface of the conveying belt, simultaneously leading the rotating and running conveying belt to synchronously convey the metal blocks, thereby leading the metal blocks to fall into the collecting table for centralized collection, leading the conveying device to slide synchronously along with the optical fiber laser cutting device, being capable of synchronously transporting the cut metal blocks, thereby leading the cut metal block to quickly enter the next working procedure, avoiding the waste of time, wherein the protection curb plate can shelter from drive chain in laser cutting machine's outside face to prevent that personnel from contacting the drive chain who rotates the operation and receive the damage.

Through the supplementary unloader of edge installation at the laser cutting head, can make the laser cutting head when descending, drive supplementary unloader and extrude the metal block after the cutting to make the metal block normally drop, avoid the metal block joint can't drop in the metal sheet is inside, the influence is to the processing of the later process of metal block, and when the rubber block of grafting post bottom can avoid contacting with the metal sheet, cause both sides' wearing and tearing to damage.

Drawings

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

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a laser cutting machine according to the present invention;

FIG. 3 is a schematic structural diagram of an optical fiber laser cutting device according to the present invention;

FIG. 4 is a schematic exploded view of the conveyor of the present invention;

FIG. 5 is a schematic structural diagram of a driving device according to the present invention;

FIG. 6 is a schematic diagram of a clamping plate structure according to the present invention;

FIG. 7 is a schematic structural view of a second embodiment of the cutter of the present invention;

fig. 8 is a schematic structural view of an auxiliary blanking device according to a second embodiment of the present invention.

In the figure: 1-laser cutting machine, 2-fiber laser cutting device, 3-conveying device, 4-driving device, 5-clamping plate, 11-collecting table, 12-limiting shaft hole, 13-limiting slideway, 14-dustproof folding cloth, 15-supporting frame, 16-protective side plate, 21-limiting shaft sleeve, 22-cutter, 23-supporting guide rail, 24-laser cutting head, 25-auxiliary blanking device, 31-conveying belt, 32-rotating shaft sleeve, 33-fixed frame, 34-guide rod, 35-driving fluted disc, 36-sleeving hole, 41-driving shaft, 42-driving motor, 43-clamping block, 44-driving chain, 45-gear, 51-extrusion screw, 52-clamping groove, 53-limiting clamping plate, 251-plug column, 252-hoop, 253-buffer spring and 254-rubber block.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is further described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-6, an embodiment of the present invention is shown: an optical fiber laser cutting machine comprises a laser cutting machine 1, an optical fiber laser cutting device 2, a conveying device 3, a driving device 4 and a clamping plate 5, wherein the optical fiber laser cutting device 2 is slidably mounted inside the top end of the laser cutting machine 1, the conveying device 3 is slidably mounted inside the laser cutting machine 1 and located on the outer surface of the optical fiber laser cutting device 2, the driving device 4 is fixedly mounted on the inner center peripheral edge of the laser cutting machine 1, and the clamping plate 5 is slidably mounted inside the laser cutting machine 1;

laser cutting machine 1's inside is including collecting platform 11, spacing shaft hole 12, spacing slide 13, dustproof plaiting 14, support frame 15 and protection curb plate 16, the inside both sides center at laser cutting machine 1 is seted up to spacing slide 13 symmetry, spacing shaft hole 12 symmetry is seted up in laser cutting machine 1's inside both sides and is located spacing slide 13's both ends edge, collect platform 11 welding at laser cutting machine 1's inside one end edge, protection curb plate 16 fixed connection is at laser cutting machine 1's surface one side top surface below edge, support frame 15 fixed mounting is at laser cutting machine 1's one end side edge, dustproof plaiting 14 slides and cup joints at laser cutting machine 1's top surface both sides edge.

The fiber laser cutting device 2 comprises a limiting shaft sleeve 21, a cutter 22, a supporting guide rail 23 and a laser cutting head 24 inside, wherein the cutter 22 is slidably mounted on the outer surface of the top of the supporting guide rail 23, the limiting shaft sleeve 21 is symmetrically welded on the outer surface edges of two sides of the top of the cutter 22, and the laser cutting head 24 is slidably mounted in the center of the bottom surface of the cutter 22.

The conveying device 3 comprises a conveying belt 31, a rotating shaft sleeve 32, a fixed frame 33, a guide rod 34, a transmission fluted disc 35 and a sleeving hole 36, wherein the guide rod 34 is symmetrically welded at edges of two sides of the top surface of the fixed frame 33, the transmission fluted disc 35 is symmetrically and rotationally clamped at the centers of edges of two ends of the bottom surface of the fixed frame 33, the transmission fluted disc 35 is symmetrically welded at outer surfaces of edges of two ends of the rotating shaft sleeve 32, the sleeving hole 36 is symmetrically arranged at the edges of the bottoms of two ends of the side surface of the fixed frame 33, and the conveying belt 31 is rotationally sleeved on the outer surface of the transmission fluted disc 35.

The inside of drive arrangement 4 includes transmission shaft 41, driving motor 42, joint piece 43, drive chain 44 and gear 45, and the one end of transmission shaft 41 rotates and cup joints the marginal internal surface in one end of drive chain 44, and the even welding of joint piece 43 is at the surface of transmission shaft 41, and the terminal surface center of driving motor 42 rotates and connects the terminal surface at transmission shaft 41, and the gear 45 symmetric welding is at the marginal surface in both ends of transmission shaft 41.

The inside of joint board 5 includes extrusion screw 51, joint groove 52 and spacing cardboard 53, and joint groove 52 sets up at the top surface side of joint board 5, and spacing cardboard 53 symmetry welding is at the both ends face of joint board 5, and the symmetrical spiral connection of extrusion screw 51 is at the both ends side edge of joint board 5.

The joint is rotated mutually at the inside both ends edge that spacing shaft hole 12 and laser cutting machine 1 are passed through to transmission shaft 41's both ends, thereby can support and spacing effect to transmission shaft 41's both ends, fixed frame 33 cup joints through cup jointing hole 36 at both ends and the surface of transmission shaft 41 slides mutually, a terminal surface of pivot sleeve 32 link up the six groove jacks of seting up, can make pivot sleeve 32 follow transmission shaft 41 synchronous rotation, pivot sleeve 32 cup joints through six groove jacks and transmission shaft 41's surface mutually slides, thereby can make pivot sleeve 32 carry out synchronous rotation under transmission shaft 41's rotation, can carry out synchronous slip at transmission shaft 41's surface when fixed frame 33 slides simultaneously.

Driving motor 42 passes through support frame 15 fixed mounting at laser cutting machine 1's one end side edge, dustproof plaiting 14 slides and cup joints the top surface both sides edge at laser cutting machine 1, thereby guarantee driving motor 42's steady operation, cutterbar 22 slides mutually with guide arm 34's surface through the spacing axle sleeve 21 of both sides top surface and cup joints, joint board 5 slides mutually through the spacing cardboard 53 at both ends and the spacing slide 13 of the inside both sides face of laser cutting machine 1, thereby can play the limiting displacement to joint board 5's both ends, avoid joint board 5's both ends to break away from laser cutting machine 1's inside both sides, the side of collecting station 11 is located the one end bottom edge of conveyer belt 31 at laser cutting machine 1's inside one end, thereby can collect the locking buckle that conveyer belt 31 carried.

This embodiment is when implementing, slide in laser cutting machine 1's top surface through optic fibre laser cutting device 2 inside, thereby make laser cutting head 24 cut the metal sheet, thereby obtain required metal block shape after the cutting, then the metal block after being cut can drop the upper surface of conveyer belt 31, and conveyer belt 31 can carry the metal block that drops, thereby can obtain the metal block after being cut in the very first time, and the harmful metal block gets into next manufacturing procedure, avoid causing the waste of time, can reduce the output of product simultaneously.

Example 2

On the basis of embodiment 1, as shown in fig. 7-8, the auxiliary blanking device 25 is slidably mounted on the bottom center edge of the cutter 22, the auxiliary blanking device 25 includes an insertion post 251, a hoop 252, a buffer spring 253 and a rubber block 254, the insertion post 251 is uniformly welded on the outer surface of the hoop 252, the rubber block 254 is fixedly connected to the bottom center of the insertion post 251, and the buffer spring 253 is sleeved on the outer surface of the insertion post 251.

This embodiment is when implementing, after 24 with the metal sheet cutting of laser cutting head, can descend downwards, and laser cutting head 24 can drive supplementary unloader 25 and descend simultaneously, because the bottommost of supplementary unloader 25 is less than the bottom of laser cutting head 24, so can drive supplementary unloader 25 and extrude the metal block after being cut when 24 descends of laser cutting head to make the metal block after the cutting break away from the metal sheet fast, the metal block after avoiding the cutting is blocked and can't drop.

The working principle is as follows: when cutting a metal plate, one end of the metal plate is firstly clamped on the side edge surface of the clamping plate 5, so that the clamping groove 52 supports one end of the metal plate, then the second clamping plate 5 is pulled to drive the limiting clamping plates 53 at two ends to slide in the limiting slide ways 13, so that the second clamping plate 5 is close to the first clamping plate 5 until the second clamping plate 5 moves to the bottom of the other end of the metal plate, one end of the metal plate is also clamped with the clamping groove 52 on the upper surface of the second clamping plate 5, then the extrusion screws 51 are rotated to extrude two side surfaces in the laser cutting machine 1, so that the positions of the two clamping plates 5 are positioned, the metal plate is ensured to be stably supported by the two clamping plates 5, then the optical fiber laser cutting device 2 and the driving device 4 are powered on, and meanwhile the driving motor 42 drives the transmission chains 44 on the outer surfaces at two ends to synchronously rotate through the transmission shaft 41, the rotating shaft sleeve 32 sleeved on the outer surface is driven to rotate while the transmission shaft 41 rotates, the transmission gear discs 35 on the outer surfaces of two ends drive the conveying belt 31 on the outer surface to synchronously rotate while the rotating shaft sleeve 32 rotates, meanwhile, the cutter 22 drives the laser cutting head 24 at the bottom end to move right above the metal plate, meanwhile, the laser cutting head 24 emits laser to rapidly cut the metal plate right below, and because the metal plate is cut according to a design pattern, the laser cutting head 24 emits laser to cut, the cutter 22 transversely slides on the upper surface of the support guide rail 23, the limiting shaft sleeve 21 on the outer surface of the top part drives the guide rod 34 to synchronously slide while the cutter 22 slides, and the fixing frame 33 drives the rotating shaft sleeve 32 at the bottom end to transversely slide while the guide rod 34 slides, the conveyer belt 31 of the outer surface can be driven to synchronously slide when the rotating shaft sleeve 32 slides, so that the conveyer belt 31 can always synchronously slide at the bottom end of the cutter 22, when the laser cutting head 24 finishes cutting the metal plate, the metal block falls onto the upper surface of the conveyer belt 31, the conveyer belt 31 in rotating operation can convey the falling metal block, so that the metal block is conveyed into the collecting table 11, when the rotating shaft sleeve 32 slides, the metal block can slide on the outer surface of the transmission shaft 41 through the hexagonal jack at one end, meanwhile, the transmission shaft 41 can drive the rotating shaft sleeve 32 to synchronously rotate through the clamping block 43 on the outer surface, the metal block can be synchronously conveyed by normal rotation of the conveyer belt 31, the metal block enters the collecting table 11, the next step of quick processing can be carried out, and the metal block can be taken out when the optical fiber laser cutting device 2 stops operating, the waste of time is caused, wherein after the metal block is cut, the laser cutting head 24 can descend to drive the auxiliary blanking device 25 at the edge to extrude the cut metal block, so as to ensure the normal falling of the metal block, and other rubber blocks 254 in contact with the metal plate can be extruded, so that the buffer spring 253 on the outer surface of the plug column 251 is compressed, and when the laser cutting head 24 ascends to reset, the elastic force of the buffer spring 253 can extrude the rubber block 254 to descend to reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optic fibre laser cutting machine, includes laser cutting machine (1), optic fibre laser cutting device (2), conveyor (3), drive arrangement (4) and joint board (5), its characterized in that: the optical fiber laser cutting device (2) is slidably mounted inside the top end of the laser cutting machine (1), the conveying device (3) is slidably mounted inside the laser cutting machine (1) and located on the outer surface of the optical fiber laser cutting device (2), the driving device (4) is fixedly mounted on the inner center peripheral edge of the laser cutting machine (1), and the clamping plate (5) is slidably mounted inside the laser cutting machine (1);

the inside of laser cutting machine (1) is including collecting platform (11), spacing shaft hole (12), spacing slide (13), dustproof plaiting (14), support frame (15) and protection curb plate (16), the inside both sides center in laser cutting machine (1) is seted up to spacing slide (13) symmetry, the both ends edge that just is located spacing slide (13) is seted up in the inside both sides of laser cutting machine (1) in spacing shaft hole (12) symmetry, collect platform (11) welding at the inside one end edge of laser cutting machine (1), protection curb plate (16) fixed connection is at surface one side top surface below edge of laser cutting machine (1), support frame (15) fixed mounting is at the one end side edge of laser cutting machine (1), dustproof plaiting (14) slide and cup joint at the top surface both sides edge of laser cutting machine (1).

2. The fiber laser cutting machine according to claim 1, wherein: the optical fiber laser cutting device (2) is characterized in that the optical fiber laser cutting device comprises a limiting shaft sleeve (21), a cutter (22), a supporting guide rail (23) and a laser cutting head (24), the cutter (22) is slidably mounted on the outer surface of the top of the supporting guide rail (23), the limiting shaft sleeve (21) is symmetrically welded on the outer surface edges of the two sides of the top of the cutter (22), and the laser cutting head (24) is slidably mounted in the center of the bottom surface of the cutter (22).

3. The fiber laser cutting machine according to claim 2, wherein: the inside of conveyor (3) includes conveyer belt (31), pivot sleeve (32), fixed frame (33), guide arm (34), transmission fluted disc (35) and cup joints hole (36), top surface both sides edge at fixed frame (33) is welded in guide arm (34) symmetry, transmission fluted disc (35) symmetry rotates the joint at the bottom surface both ends edge center of fixed frame (33), transmission fluted disc (35) symmetry welding is at the both ends edge surface of pivot sleeve (32), cup joint hole (36) symmetry and set up the side both ends bottom edge at fixed frame (33), conveyer belt (31) rotate and cup joint the surface at transmission fluted disc (35).

4. The fiber laser cutting machine according to claim 3, wherein: the inside of drive arrangement (4) includes transmission shaft (41), driving motor (42), joint piece (43), drive chain (44) and gear (45), the one end of transmission shaft (41) is rotated and is cup jointed at the marginal internal surface of one end of drive chain (44), joint piece (43) uniform weld is at the surface of transmission shaft (41), a terminal surface center of driving motor (42) rotates the terminal surface of connection at transmission shaft (41), gear (45) symmetric weld is at the marginal surface in both ends of transmission shaft (41).

5. The fiber laser cutting machine according to claim 4, wherein: the inside of joint board (5) is including extrusion screw (51), joint groove (52) and spacing cardboard (53), the top surface side in joint board (5) is seted up in joint groove (52), spacing cardboard (53) symmetrical welding is at the both ends face of joint board (5), the both ends side edge at joint board (5) is connected to extrusion screw (51) symmetry spiral.

6. The fiber laser cutting machine according to claim 5, wherein: the joint is rotated mutually at the both ends of transmission shaft (41) through the inside both ends edge of spacing shaft hole (12) and laser cutting machine (1), fixed frame (33) cup joint through cup jointing hole (36) at both ends and the surface of transmission shaft (41) slides mutually, six groove jacks have been seted up in a terminal surface link up of pivot sleeve (32), pivot sleeve (32) slide mutually through the surface of six groove jacks and transmission shaft (41) and cup joint.

7. The fiber laser cutting machine according to claim 6, wherein: driving motor (42) pass through support frame (15) fixed mounting at the one end side edge of laser cutting machine (1), dustproof plaiting (14) slide and cup joint the top surface both sides edge at laser cutting machine (1), cutter (22) slide with the surface of guide arm (34) through spacing axle sleeve (21) of both sides top surface and cup joint mutually, joint board (5) slide joint mutually through spacing cardboard (53) at both ends and spacing slide (13) of laser cutting machine (1) inside both sides face, the side of collecting platform (11) is located the one end bottom edge of conveyer belt (31) in the inside one end of laser cutting machine (1).

8. The fiber laser cutting machine according to claim 7, wherein: the auxiliary blanking device (25) is slidably mounted at the edge of the center of the bottom face of the cutter (22), the auxiliary blanking device (25) comprises an insertion column (251), a hoop (252), a buffer spring (253) and a rubber block (254), the insertion column (251) is uniformly welded on the outer surface of the hoop (252), the rubber block (254) is fixedly connected to the center of the bottom face of the insertion column (251), and the buffer spring (253) is sleeved on the outer surface of the insertion column (251).