CN113478099B

CN113478099B - Laser cutting machine protects heat sink convenient to letter sorting work piece

Info

Publication number: CN113478099B
Application number: CN202110789191.4A
Authority: CN
Inventors: 布拉玛奇.马丁; 杨忠明; 胡鸽; 李永军; 李雪香; 康骐; 高鹏飞
Original assignee: Pentium Laser Technology Shandong Co ltd
Current assignee: Pentium Laser Zhejiang Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-12-23
Anticipated expiration: 2041-07-13
Also published as: CN113478099A

Abstract

The invention relates to a protective cooling device of a laser cutting machine, which is convenient for sorting workpieces, and comprises a workbench for accommodating workpieces to be cut, wherein a rack for installing a laser cutting head is arranged above the workbench. The efficiency of the laser cutting machine is improved. When the control unit is used for carrying out lifting function on the protection assembly, the operator can conveniently replace the nozzle of the cutting head, check and maintain the cutting head and the like. The dust that produces when realizing laser cutting through dust removal module is collected to reduce the injury of staff's respiratory track, and can also prevent that the dust from piling up and being difficult to clean.

Description

Laser cutting machine protects heat sink convenient to letter sorting work piece

Technical Field

The invention relates to the technical field of laser processing equipment, in particular to a laser processing equipment convenient for sorting workpieces

Laser cutting machine protection heat sink.

Background

The common laser cutting machine has fixed peripheral protection, and personnel can not enter the common laser cutting machine in the working process. With stimulation

The development of the optical cutting machine is in the cutting direction of high power, high speed, large breadth and medium thickness plate.

In order to improve the efficiency of the laser cutting machine, workers need to enter a cutting area of a workbench to sort cut materials in a non-stop state of the laser cutting machine. However, four types of invisible laser radiation are generated during laser cutting, which harm human eyes and naked skin and necessitate corresponding protective measures.

In addition, although there is the device that protects laser among the prior art, for example the device and the laser cutting machine that disclose of application No. CN202010208113.6, this protector still needs the staff to go to manually pull the guard plate and the function singleness, to the workshop of present gradual automation, this kind of operation mode is convenient not enough and can not satisfy the in-service use demand, awaits improvement.

Disclosure of Invention

The invention aims to provide a protective cooling device of a laser cutting machine, which is convenient for sorting workpieces, and aims to overcome the defects in the prior art, and provide the protective cooling device of the laser cutting machine, which can further prevent and protect the radiation and the light pollution generated by a protective component during laser cutting through the improvement on the structure and the function, and can collect dust generated by laser cutting through a dust removal module, so that the harm to human bodies when personnel enter materials for sorting during laser cutting is reduced.

In order to achieve the purpose, the invention provides a protective cooling device of a laser cutting machine, which is convenient for sorting workpieces, and comprises a workbench for containing the workpieces to be cut, wherein a rack for installing a laser cutting head is arranged above the workbench, and a protective component is arranged on one side of the rack and matched with the workbench to wrap the laser cutting head so as to block radiation and strong light generated by laser; the protective assembly comprises a protective shell, one side of the protective shell, facing the workbench, is provided with a notch protective shell which can be matched with a workpiece to be cut, a plurality of cooling assemblies which are sequentially connected are arranged in the notch, the bottom end of each cooling assembly is abutted against the upper end face of the workbench, and the cooling assemblies can spray and paint cooling liquid on the workpiece in the moving process to accelerate the cooling of the workpiece; one end of the protection component, which is close to the laser cutting head, is provided with a dust removal module; one side of the workbench is also provided with a driving mechanism which can drive the rack to move along the length direction of the workbench;

the cooling device is characterized in that the cooling assemblies respectively comprise a fixed shell, a linkage assembly, a sliding cavity, a liquid storage cavity, a soft board assembly and a through groove, the fixed shell is fixedly connected to the lower end of the protective shell, the soft board assembly is movably connected to the other end of the fixed shell, the liquid storage cavity for storing cooling liquid is arranged in the fixed shell, the sliding cavity is also arranged in the fixed shell, and the sliding cavity is communicated with the liquid storage cavity through the through groove;

the soft board assembly comprises a soft board, a touch block and a cleaning block, the soft board is movably connected to the lower end of the fixed shell, the touch block is fixed at the bottom close to the sliding rod, and the cleaning block is fixed at the lower end of the soft board;

the linkage assembly comprises an elastic part, a sliding block, a sliding rod and a liquid spraying pipeline, the sliding block is in contact connection with the inside of the sliding cavity, the cross section of the sliding block is matched with that of the sliding cavity, so that the sliding block cannot swing in the sliding process, the elastic part is fixedly connected between the inner wall of the upper side of the sliding cavity and the upper end of the sliding block, one end of the sliding rod is fixedly connected with the sliding block, the other end of the sliding rod penetrates through the fixing shell to be outside, the cross section area of the sliding rod is smaller than that of the sliding block, the liquid spraying pipeline is arranged in the sliding rod, and the liquid spraying pipeline is in an 'L' shape;

a torsional spring is arranged at the hinge point of the fixed shell and the soft plate, and the soft plate pushed to swing by the workpiece can be reset through the torsional spring, so that the soft plate and the workbench are in a vertical state; the elasticity of the torsion spring is larger than that of the elastic piece, so that the soft plate can be reset, the abutting block can be driven to swing to push the sliding rod to move upwards, the elastic piece is compressed, and the sliding rod is reset.

Preferably, the protection assembly is provided with a control assembly, the other end of the control assembly is arranged at the upper end of the rack, and the control assembly drives the protection assembly to move.

Preferably, the protective shells comprise fixed protective shells and sliding protective shells, at least two fixed protective shells are fixedly connected to the rack, and the sliding protective shells are slidably connected between the two fixed protective shells.

Preferably, the protection assembly further comprises a sliding rail, the sliding rail comprises a sliding block and a sliding groove, and the sliding groove and the sliding block are matched with each other; the slider fixed connection be in the slip protecting crust is close to the both ends of fixed protecting crust, and the spout is located fixed protecting crust and is close to the one end of slip protecting crust to can let the slip protecting crust with cooperation sliding connection between the fixed protecting crust.

Preferably, a transparent block is arranged in the sliding protective shell, and the transparent block can be more convenient for workers to observe the cutting condition in the accommodating cavity.

Preferably, the dust removal module comprises a dust suction part and a recovery part which are arranged on the side wall of the sliding protective shell, and the recovery part is detachably connected to one end, far away from the sliding protective shell, of the dust suction part.

Preferably, the dust absorption piece includes dust absorption shell and dust catcher, the dust absorption shell is fixed the last lateral wall of slip protecting crust, the dust absorption shell adopts light material, the dust absorption shell has two face openings, and the dust absorption pipe is installed to one side opening part, and another opening part is connected with the recovery piece, the dust catcher is fixed in the dust absorption shell, the dust catcher with the recovery piece is located same one side.

Preferably, the control assembly comprises a power part and a lifting block, at least one pair of opposite power parts is arranged on the sliding protective shell, the lifting block is fixedly connected between the power part and the rack, the lifting direction of the lifting block is the same as the sliding direction of the sliding rail and the power part), and the lifting block is in power connection with the lower end of the power part.

The invention has the advantages that:

1. when realizing avoiding harm people's eyes and naked skin among the laser cutting machine cutting process through protective assembly, through control protective assembly's lift to the messenger makes in cutting process, inside the staff can get into laser cutting machine, sorts the material that the cutting is good, improves laser cutting machine's efficiency.

2. The workpiece is rapidly cooled through the cooling assembly, and the upper end face of the workpiece is cleaned.

3. When coming to carry out raising and lowering functions to protection component through control assembly, the convenient operation such as change cutting head nozzle, inspection maintenance cutting head of operating personnel.

4. The dust that produces when realizing laser cutting through dust removal module is collected to reduce the injury of staff's respiratory track, and can also prevent that the dust from piling up and being difficult to clean.

Drawings

FIG. 1 is a schematic view of an integral three-dimensional structure of a protective cooling device of a laser cutting machine and the laser cutting machine which are convenient for sorting workpieces, wherein the protective cooling device is mounted and connected with the laser cutting machine;

FIG. 2 is a schematic diagram of a back side three-dimensional structure of a laser cutting machine protection cooling device convenient for sorting workpieces;

FIG. 3 is a schematic view of a front side three-dimensional structure of a laser cutting machine protective cooling device facilitating workpiece sorting;

FIG. 4 is an elevation view of a laser cutting machine protective cooling device for facilitating sorting of workpieces;

FIG. 5 is a top view of a laser cutter protective cooling device for facilitating sorting of workpieces;

FIG. 6 is a schematic cross-sectional view of a dust removal module in a protective cooling device of a laser cutting machine for facilitating workpiece sorting;

FIG. 7 is a schematic cross-sectional view of a control assembly in a laser cutting machine protective cooling device for facilitating sorting of workpieces;

FIG. 8 is a schematic view of a cross-sectional enlarged structure of a cleaning assembly in a protective cooling device of a laser cutting machine for facilitating sorting of workpieces;

fig. 9 is a schematic view of the operating state of a cooling assembly of a cleaning assembly in a protective cooling device of a laser cutting machine for facilitating sorting of workpieces.

Reference numerals: 1. a frame; 2. a guard assembly; 21. fixing the protective shell; 22. sliding the protective shell; 221. a transparent block; 23. a slide rail; 3. a control component; 31. a power member; 32. a lifting block; 4. a dust removal module; 41. a dust collection member; 411. a dust collection housing; 412. a vacuum cleaner; 42. recovering the articles; 5. a laser cutting head; 6. a work table; 7. a cooling assembly; 71. a stationary case; 72. a linkage assembly; 721. an elastic member; 722. a slider; 723. a slide bar; 724. a liquid spray conduit; 73. a sliding cavity; 74. a liquid storage cavity; 75. a replenishing pipe; 76. a flexible board assembly; 761. a soft board; 762. a contact block; 763. a cleaning block; 77. a through groove; 78. a torsion spring; 8. and (4) notches.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings.

Reference numerals and components referred to in the drawings are as follows:

throughout the description, it is obvious that the embodiments described in this specification are only a part of possible technical solutions of the present invention, and other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention should be considered as falling within the protection scope of the present invention.

Technical solutions between the embodiments of the present invention described in the present specification may be combined with each other, but it is necessary for those skilled in the art to realize the technical solutions.

As shown in fig. 1 and 9, a laser cutting machine protection cooling device convenient for sorting workpieces comprises a workbench 6 for containing workpieces to be cut, wherein a rack 1 for installing a laser cutting head 5 is arranged above the workbench 6, a protection component 2 is arranged on one side of the rack 1, and the protection component 2 is matched with the workbench 6 to wrap the laser cutting head 5 so as to block radiation and strong light generated by laser; the protective component 2 comprises a protective shell, one side of the protective shell, facing the workbench 6, is provided with a notch protective shell which can be matched with a workpiece to be cut, a plurality of cooling components 7 which are sequentially connected are arranged in the notch, the bottom end of each cooling component 7 is abutted against the upper end face of the workbench 6, and the cooling components 7 can spray and paint cooling liquid on the workpiece in the moving process to accelerate the cooling of the workpiece; one end of the protection component 2 close to the laser cutting head 5 is provided with a dust removal module 4; a driving mechanism capable of driving the rack 1 to move along the length direction of the workbench 6 is further arranged on one side of the workbench 6; when the laser cutting device is used specifically, the protective shell and the workbench enclose to form a containing cavity, so that the laser cutting head is located in the containing cavity and performs laser cutting on a workpiece to be cut. At this time, the radiation and the strong light generated by the laser cutting can be blocked by the protective shell. When the laser cutting head cutting finishes, need not the shut down, can arrange the staff and get into the letter sorting.

The cooling assembly 7 is characterized by comprising a fixed shell 71, a linkage assembly 72, a sliding cavity 73, a liquid storage cavity 74, a soft board 761 assembly 76 and a through groove 77, wherein the fixed shell 71 is fixedly connected to the lower end of the protective shell, the soft board 761 assembly 76 is movably connected to the other end of the fixed shell 71, the liquid storage cavity 74 for storing cooling liquid is arranged in the fixed shell 71, the sliding cavity 73 is also arranged in the fixed shell 71, and the sliding cavity 73 is communicated with the liquid storage cavity 74 through the through groove 77;

the soft board assembly 76 comprises a soft board 761, a touch block and a cleaning block 763, the soft board 761 is movably connected with the lower end of the fixed shell 71, the touch block is fixed at the bottom close to the sliding rod 723, and the cleaning block 763 is fixed at the lower end of the soft board 761;

to be noted: initially, the soft plate 761 is in a vertical state with the workbench, and the upper end of the interference block 762 is in contact with the lower end of the sliding rod 723, at this time, the torsion spring 78 is in an unstressed state, so as to provide an upward pushing force to the interference block 762 toward the sliding rod 723;

when the cooling assembly 7 works specifically, when the cooling assembly 7 moves, the soft plate 761 swings after contacting with a workpiece, so as to drive the contact block 762 to swing, so that the contact block 762 is separated from the sliding rod 723 in a contact connection manner, at the moment, the thrust of the contact block 762 to the sliding rod 723 disappears, so that the pressure counteracted by the elastic piece 721 disappears, the elastic piece 721 releases energy, so as to drive the sliding block 722 to move downwards, so as to drive the sliding rod 723 to move downwards, so that the through groove 77 and the liquid spraying pipeline 724 are in a through connection state, at the moment, the cooling liquid in the liquid storage cavity 74 is sprayed onto the workpiece through the liquid spraying pipeline 724 for rapid cooling, the sprayed cooling liquid can wash away attachments on the workpiece while cooling, and the cleaning block 763 contacts with the upper end of the workpiece during moving, so as to clean the upper end of the workpiece.

The linkage assembly 72 comprises an elastic part 721, a sliding block, a sliding rod 723 and a liquid spraying pipeline, wherein the sliding block is in contact connection with the inside of the sliding cavity 73, the cross section of the sliding block is matched with that of the sliding cavity 73, so that the sliding block cannot swing in the sliding process, the elastic part 721 is fixedly connected between the inner wall of the upper side of the sliding cavity 73 and the upper end of the sliding block, one end of the sliding rod 723 is fixedly connected with the sliding block, the other end of the sliding rod 723 penetrates through the fixing shell 71 to the outside, the cross section area of the sliding rod 723 is smaller than that of the sliding block, the liquid spraying pipeline is arranged in the sliding rod 723, and the liquid spraying pipeline is in an 'n' shape;

a torsional spring 78 is arranged at the hinged point of the fixed shell 71 and the soft plate 761, and the soft plate 761 pushed and swung by a workpiece can be reset through the torsional spring 78, so that the vertical state between the soft plate 761 and the workbench 6 is restored; the elasticity of the torsion spring 78 is greater than the elasticity of the elastic part 721, so that the soft plate 761 is reset and the touch block is driven to swing to push the sliding rod 723 to move upwards, and the elastic part 721 is compressed to reset the sliding rod 723.

Preferably, the protection component 2 is provided with a control component 3, the other end of the control component 3 is arranged at the upper end of the rack 1, and the control component 3 drives the protection component 2 to move. When the laser cutting head 5 needs to be replaced, the protection component 2 is lifted through the control component 3, so that a gap is generated between the protection component 2 and the workbench 6, a worker can stand between the protection shell to replace the laser cutting head 5, and the operation of replacing the laser cutting head 5 in the cavity does not need to be carried out, so that the laser cutting head 5 is more convenient to replace, and the working efficiency is also improved

Preferably, the protective shell comprises a fixed protective shell 21 and a sliding protective shell 22, at least two fixed protective shells 21 are fixedly connected to the frame 1, the sliding protective shell 22 is slidably connected between the two fixed protective shells 21 and slidably connected with the fixed protective shells 21 on the two sides, the sliding protective shell 22 is fixedly connected with the control component 3, and the control component 3 drives the sliding protective shell 22 to move up and down;

in addition, the gap is located below the fixed protective shell 21 and the sliding protective shell 22, and the gap is provided with a plurality of cooling assemblies 7 which are connected in sequence.

Preferably, the protection assembly 2 further comprises a slide rail 23, wherein the slide rail 23 comprises a slide block and a slide groove, and the slide groove and the slide block are matched with each other; the slider fixed connection is in the slip protecting crust 22 is close to the both ends of fixed protecting crust 21, and the spout is located fixed protecting crust 21 and is close to the one end of slip protecting crust 22, thereby can let slip protecting crust 22 with cooperation sliding connection between the fixed protecting crust 21, thereby played and to have let slip protecting crust 22 keep the removal at vertical direction in the removal process, when control assembly 3 control slip protecting crust 22 upwards lifts up, can not take place the swing, and lead to the lift in-process swing to cause the collision and the injured circumstances to take place to the people.

Preferably, a transparent block is arranged in the sliding protective shell 22, and the transparent block can be more convenient for a worker to observe the cutting condition in the accommodating cavity.

Preferably, the dust removing module 4 comprises a dust sucking part 41 and a recovering part 42 which are arranged on the side wall of the sliding protection shell 22, the recovering part 42 is detachably connected to one end of the dust sucking part 41 which is far away from the sliding protection shell 22, the recovering part 42 can use a plastic bag, a rubber bag or other objects which can be used for carrying out closed dust collection, and some activated carbon can be placed in the recovering part 42, so that the absorption rate of the dust can be improved.

Preferably, the dust suction unit 41 includes a dust suction housing 411 and a dust collector 412, the dust suction housing 411 is fixed on the upper side wall of the sliding protection housing 22, the dust suction housing 411 is made of a light material, the dust suction housing 411 has two openings, one opening is provided with a dust suction pipe, the other opening is connected with the recovery member 42, the dust collector 412 is fixed in the dust suction housing 411, the dust collector 412 is located on the same side as the recovery member 42, and external dust is sucked by the dust collector 412 through the dust suction housing 411 and finally collected by the recovery member 42.

Preferably, the control assembly 3 includes a power member 31 and an elevating block 32, at least one pair of the opposite power members 31 is installed on the sliding protection shell 22, the elevating block 32 is fixedly connected between the power member 31 and the frame 1, the elevating direction of the elevating block 32 is the same as the direction of the sliding fit between the slide rail 23 and the power member 31), and the elevating block 32 is dynamically connected to the lower end of the power member 31.

It should be noted that: in the present application, the control assembly 3 may be a cylinder, a ram, or the like.

Furthermore, the protective shells comprise two fixed protective shells 21 and two sliding protective shells 22, the two fixed protective shells are fixedly connected to the frame respectively, the sliding protective shells 22 are located between the two fixed protective shells 21 and are in sliding connection with the fixed protective shells 21 on the two sides, and the sliding protective shells 22 are fixedly connected with the control assembly 3 and are driven by the control assembly 3 to move up and down;

Furthermore, each cooling assembly 7 comprises a fixed shell 71, a linkage assembly 72, a sliding cavity 73, a liquid storage cavity 74, a soft board assembly 76 and a through groove 77, the fixed shell 71 is fixedly connected to the lower end of the protective shell, the soft board assembly 76 is movably connected to the other end of the fixed shell 71, the liquid storage cavity 74 for storing cooling liquid is arranged in the fixed shell 71, the sliding cavity 73 is also arranged in the fixed shell 71, the sliding cavity 73 is in through connection with the liquid storage cavity 74 through the through groove 77, and the linkage assembly 72 is in sliding connection with the sliding cavity 73;

to be noted: the elastic member 721 is in a pressed state at the beginning, in this embodiment, the elastic member 721 is a spring, and the liquid spraying duct 724 and the through slot 77 are not in a through connection state (i.e. a dislocation state); when no external force acts on the sliding rod 723, the sliding rod 723 moves under the action of the spring, at the moment, one end of the sliding block 722 abuts against the bottom wall of the sliding cavity 73, and the liquid spraying pipeline 724 is communicated with the through groove 77.

Further, one end of the fixing casing 71 is fixedly connected with a replenishing pipe 75 which is connected in the liquid storage cavity 74 in a penetrating manner, and the replenishing pipe 75 plays a role of replenishing the liquid storage cavity 74 with cooling liquid. It should be noted that: the downward flow of cooling fluid within reservoir chamber 74 is due to its own weight. In addition, in order to accelerate the spraying and jetting efficiency, air can be filled into the liquid storage cavity, so that the air pressure in the liquid storage cavity is higher than the external atmosphere. However, when the liquid storage cavity 74 is communicated with the liquid spraying pipeline 724 through the through groove 77, the cooling liquid in the liquid storage cavity 74 can be sprayed out at a high speed under the action of air pressure, and the workpiece which is cut and has certain residual heat is cooled rapidly.

Further, the protection assembly 2 further comprises a slide rail 23, the slide rail 23 comprises a slide block and a slide groove, and the slide groove and the slide block are mutually matched;

slider fixed connection is at the both ends that slip protecting crust 22 is close to fixed protecting crust 21, the spout is located the one end that fixed protecting crust 21 is close to slip protecting crust 22, thereby can let cooperation sliding connection between slip protecting crust 22 and the fixed protecting crust 21, thereby played and to have let slip protecting crust 22 keep the ascending removal in vertical direction at the removal in-process, when control assembly 3 control slip protecting crust 22 upwards lifts up, can not take place the swing, and lead to the lift in-process swing to cause the collision and the injured circumstances to take place to the people.

Further, the transparent block 221 is arranged in the sliding protective shell 22, the transparent block 221 can be more convenient for a worker to observe the cutting condition in the cavity, and the device can be stopped in time when the cavity is abnormal in the cutting process;

and transparent piece 221 should use the transparent piece that has the colour, for example green plastics transparent plate, or purple acrylic plate etc. other colour transparent pieces that can protect eyes more to realize when observing the cutting condition with eyes, eyes can not receive the damage that laser is too bright and lead to, fixed protective housing 21 side has the grating mechanism of fixed connection in addition, thereby has played the effect of further protecting to the light pollution that laser produced.

Further, the dust removing module 4 comprises a dust sucking part 41 and a recovering part 42 which are arranged on the side wall of the sliding protection shell 22, the recovering part 42 is detachably connected to one end of the dust sucking part 41 far away from the sliding protection shell 22, the recovering part 42 can use a plastic bag, a rubber bag or other objects which can be used for carrying out closed dust collection, and active carbon can be placed in the recovering part 42, so that the absorption rate of dust can be improved.

Further, the dust suction unit 41 includes a dust suction housing 411 and a dust collector 412, the dust suction housing 411 is fixed on the upper side wall of the sliding protection housing 22, the dust suction housing 411 is made of light materials, such as aluminum alloy or plastic, and the like, so that the weight of the dust suction housing 411 can be lighter, and the materials are not conductive, so that dust cannot be absorbed on the inner wall of the dust suction housing 411, the dust suction housing 411 has two openings, a dust suction pipe is installed at one opening, and the other opening is connected with the recovery unit 42, the dust collector 412 is fixed in the dust suction housing 411, and the dust collector 412 and the recovery unit 42 are located on the same side;

the external dust is sucked by the cleaner 412 through the suction case 411 and finally collected by the recovery member 42.

Further, the control assembly 3 comprises a power member 31 and a lifting block 32, at least one pair of opposite power members 31 are mounted on the sliding protective shell 22, the lifting block 32 is fixedly connected between the power member 31 and the rack 1, the lifting direction of the lifting block 32 is the same as the sliding direction between the sliding rail 23 and the power member 31, and the lifting block 32 is in power connection with the lower end of the power member 31;

specifically, in this technical scheme, the lifting block 32 is the output of cylinder to drive the lift of slip protecting crust 22 with the cylinder, when slip protecting crust 22 risees the back, the operation such as change cutting head nozzle, inspection maintenance cutting head that the staff can be convenient. In the outside laser cutting region of protector, the staff can get into letter sorting material work, is not influenced. The efficiency of the laser cutting machine is improved.

According to the protective cooling device of the laser cutting machine convenient for sorting workpieces, radiation and light pollution generated by laser are blocked and protected through the protective assembly 2, the sliding protective shell 22 is driven to lift through the air cylinder, so that after the sliding protective shell 22 is lifted, a cutting head structure 5 is more conveniently replaced, a cutting head is more conveniently inspected and maintained, and meanwhile, dust generated by cutting can be sucked into the recovery piece 42 through the dust suction shell 411 through the dust collector 412.

The above are only preferred embodiments of the present invention, and it should be noted that a person skilled in the art may make several improvements and additions without departing from the method of the present invention, which shall also be considered as the scope of protection of the present invention.

Claims

1. A laser cutting machine protection cooling device convenient for sorting workpieces comprises a workbench (6) used for containing workpieces to be cut, a rack (1) used for installing a laser cutting head (5) is arranged above the workbench (6), a protection component (2) is arranged on one side of the rack (1), and the protection component (2) is matched with the workbench (6) to wrap the laser cutting head (5) so as to block radiation and strong light generated by laser; the protective component (2) comprises a protective shell, one side of the protective shell, facing the workbench (6), is provided with a notch protective shell which can be matched with a workpiece to be cut, a plurality of cooling components (7) which are sequentially connected are arranged in the notch, the bottom end of each cooling component (7) is abutted against the upper end face of the workbench (6), and the cooling components (7) can spray and paint cooling liquid on the workpiece in the moving process to accelerate the cooling of the workpiece; a dust removal module (4) is arranged at one end, close to the laser cutting head (5), of the protection component (2); a driving mechanism capable of driving the rack (1) to move along the length direction of the workbench is further arranged on one side of the workbench (6);

the cooling assembly (7) is characterized by comprising a fixed shell (71), a linkage assembly (72), a sliding cavity (73), a liquid storage cavity (74), a soft board assembly (76) and a through groove (77), wherein the fixed shell (71) is fixedly connected to the lower end of the protective shell, the soft board assembly (76) is movably connected to the other end of the fixed shell (71), the liquid storage cavity (74) for storing cooling liquid is arranged in the fixed shell (71), the sliding cavity (73) is also arranged in the fixed shell (71), and the sliding cavity (73) and the liquid storage cavity (74) are in through connection through the through groove (77);

the linkage assembly (72) comprises an elastic part (721), a sliding block (722), a sliding rod (723) and a liquid spraying pipeline (724), the sliding block (722) is in contact connection with the inside of the sliding cavity (73), the cross section of the sliding block (722) is matched with that of the sliding cavity (73), so that the sliding block (722) cannot swing in the sliding process, the elastic part (721) is fixedly connected between the inner wall of the upper side of the sliding cavity (73) and the upper end of the sliding block (722), one end of the sliding rod (723) is fixedly connected with the sliding block (722), the other end of the sliding rod (723) penetrates through the fixing shell (71) to the outside, the cross section area of the sliding rod (723) is smaller than that of the sliding block (722), the liquid spraying pipeline (724) is arranged in the sliding rod (723), and the liquid spraying pipeline (724) is in a shape of a 'shape';

the soft plate component (76) comprises a soft plate (761), a collision block and a cleaning block (763), the soft plate (761) is movably connected to the lower end of the fixed shell (71), the collision block is fixed at the bottom close to the sliding rod (723), and the cleaning block (763) is fixed at the lower end of the soft plate (761);

a torsion spring (78) is arranged at the hinged point of the fixed shell (71) and the soft plate (761), the soft plate (761) pushed and swung by a workpiece can be reset through the torsion spring (78), and the vertical state between the soft plate (761) and the workbench (6) is recovered; the elasticity of the torsion spring (78) is larger than that of the elastic part (721), so that the soft plate (761) can be reset, the touch block is driven to swing to push the sliding rod (723) to move upwards, the elastic part (721) is compressed, and the sliding rod (723) is reset.

2. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 1, wherein a control component (3) is mounted on the protection component (2), the other end of the control component (3) is mounted at the upper end of the rack (1), and the protection component (2) is driven to move by the control component (3).

3. The laser cutting machine protection cooling device convenient for sorting workpieces according to claim 2, wherein the protection shells comprise fixed protection shells (21) and sliding protection shells (22), at least two fixed protection shells (21) are fixedly connected to the rack (1), and the sliding protection shells (22) are slidably connected between the two fixed protection shells (21).

4. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 3, wherein the protection assembly (2) further comprises a slide rail (23), the slide rail (23) comprises a slide block and a slide groove, and the slide groove and the slide block are matched with each other; slider fixed connection is in slip protecting crust (22) are close to the both ends of fixed protecting crust (21), and the spout is located fixed protecting crust (21) and is close to the one end of slip protecting crust (22), thereby can let slip protecting crust (22) with cooperation sliding connection between fixed protecting crust (21).

5. The laser cutting machine protection cooling device convenient for sorting workpieces according to claim 4, wherein a transparent block (221) is arranged in the sliding protection shell (22), and the transparent block (221) can facilitate a worker to observe the cutting condition in the accommodating cavity.

6. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 5, characterized in that the dust removal module (4) comprises a dust suction part (41) and a recovery part (42) which are installed on the side wall of the sliding protection shell (22), and the recovery part (42) is detachably connected to one end, away from the sliding protection shell (22), of the dust suction part (41).

7. The laser cutting machine protection cooling device convenient for sorting workpieces according to claim 6, wherein the dust suction part (41) comprises a dust suction shell (411) and a dust collector (412), the dust suction shell (411) is fixed on the upper side wall of the sliding protection shell (22), the dust suction shell (411) is made of a light material, the dust suction shell (411) is provided with two face openings, a dust suction pipe is installed at one opening, a recovery piece (42) is connected to the other opening, the dust collector (412) is fixed in the dust suction shell (411), and the dust collector (412) and the recovery piece (42) are located on the same side.

8. The laser cutting machine protection cooling device convenient for sorting workpieces according to claim 6, wherein the control assembly (3) comprises a power member (31) and a lifting block (32), at least one pair of opposite power members (31) is installed on the sliding protection shell (22), the lifting block (32) is fixedly connected between the power member (31) and the rack (1), the lifting direction of the lifting block (32) is the same as the sliding direction in cooperation between the sliding rail (23) and the power member (31), and the lifting block (32) is in power connection with the lower end of the power member (31).