CN113478099A

CN113478099A - Laser cutting machine protects heat sink convenient to letter sorting work piece

Info

Publication number: CN113478099A
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: 2021-10-08
Anticipated expiration: 2041-07-13
Also published as: CN113478099B

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 the 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 ] A method for producing a semiconductor device

The invention relates to the technical field of laser processing equipment, in particular to a protective cooling device of a laser cutting machine, which is convenient for sorting workpieces.

[ background of the invention ]

The common laser cutting machine has fixed peripheral protection, and personnel can not enter the common laser cutting machine in the working process. Along with the development of the laser cutting machine in the cutting direction of high power, high speed, large breadth and medium 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 a device for protecting laser in the prior art, for example, the device for protecting laser and the laser cutting machine disclosed in application No. CN202010208113.6, the device still needs a worker to manually pull the protection plate and has a single function, and for the existing production workshop which is gradually automated, this operation mode is not convenient enough and cannot meet the actual use requirement, and needs to be improved.

[ summary of the 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 accommodating the workpieces to be cut, wherein a rack for installing a laser cutting head is arranged above the workbench.

The protective assembly comprises a protective shell, one side of the protective shell, facing the workbench, is provided with a notch which can be matched with a workpiece to be cut, the protective shell is internally provided with a plurality of cooling assemblies which are sequentially connected 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 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.

Preferably, one end of the protection assembly, which is close to the laser cutting head, is provided with a dust removal module.

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 cooling assembly comprises 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 sliding protective shell, the soft board assembly is movably connected to the other end of the fixed shell and used for storing cooling liquid, the liquid storage shell is arranged in the fixed shell, the sliding cavity is also arranged in the fixed shell, the sliding cavity is communicated with the liquid storage cavity through the through groove, and the linkage assembly is slidably connected to the sliding cavity.

Preferably, the protective shell comprises a fixed protective shell and a sliding protective shell, at least two fixed protective shells are fixedly connected to the rack, and the sliding protective shell is slidably connected between the two fixed sliding 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 used for facilitating the observation of the cutting condition in the cavity by a worker.

Preferably, the dust removal module comprises a dust suction member mounted on the side wall of the slide protection member and a recovery member, and the recovery member is detachably connected to one end of the dust suction member far away from the slide protection member.

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 between the sliding rail and the sliding protective shell, 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 in the laser cutting machine cutting process through protection component, through control protection component's lift to make in the cutting process, inside the staff can get into laser cutting machine, sort the material that the cutting is good, improve 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.

[ description of the 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 view of a back side three-dimensional structure of a protective cooling device of a laser cutting machine for facilitating workpiece sorting;

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 cutter 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 workpiece sorting.

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 rack, 2-a protection component, 21-a fixed protection shell, 22-a sliding protection shell, 221-a transparent block, 23-a sliding rail, 3-a control component, 31-a power component, 32-a lifting block, 4-a dust removal module, 41-a dust suction component, 411-a dust suction shell, 412-a dust collector, 42-a recycling component, 5-a laser cutting head, 6-a workbench, 7-a cooling component, 71-a fixed shell, 72-a linkage component, 721-an elastic component, 722-a sliding block, 723-a sliding rod, 724-a liquid spraying pipeline, 73-a sliding cavity, 74-a liquid storage cavity, 75-a supplement pipe, 76-a soft plate component, 761-a soft plate, 762-a touch block, 763-a cleaning block, 77-a through groove and 78-a torsion spring, 8-notch.

[ detailed description ] embodiments

The following detailed description of the present invention will be made with reference to the accompanying drawings.

The 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 to 9, a laser cutting machine protection cooling device convenient for sorting workpieces comprises a workbench 6 for accommodating workpieces to be cut, 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 is specifically a protective shell, one side of the protective component 2, which faces the workbench 6, is provided with a notch 8 which can be matched with a workpiece to be cut, the protective shell is internally provided with a plurality of cooling components 7 which are sequentially connected in the notch 8, the bottom end of each cooling component 7 is abutted against the upper end face of the workbench 6, and one side of the workbench 6 is also provided with a driving mechanism which can drive the rack 1 to move along the length direction of the workbench;

when the cooling component 7 is vertical to the workbench, the cooling component is positioned at one end of the workpiece; when the cooling component receives the force of the workpiece in the moving process and inclines to the workbench, the cooling component 7 sprays and paints the cooling liquid on the workpiece after the cutting is finished in sequence so as to speed up the cooling of the workpiece.

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. Treat that the cutting of laser cutting head finishes, need not to shut down, can arrange the staff and get into the letter sorting, its letter sorting operation as follows:

after the laser cutting head 5 finishes cutting one end of a workpiece to be cut, the driving mechanism can drive the rack 1 to move, and further drive the protection component 2 to move, so that the laser cutting head can conveniently and continuously cut; at the moment, the cooling component 7 can move synchronously, and the cut plate passes through the notch and is exposed outside the protective shell, so that the plate can be sorted by workers conveniently. And because the laser cutting head is located the protecting crust all the time, encloses the appearance intracavity that closes with the workstation to guarantee at the in-process that protecting assembly 2 removed, the in-process of staff's letter sorting material, can not harm personnel's health, and improved work efficiency.

Further, it should be noted that: the in-process that cooling subassembly 7 removed, its bottom can clean the work piece upper end that the cutting finishes to cooling subassembly 7 when removing will swing after contacting the work piece, by the setting of original perpendicular to workstation, the change is the setting of slope in workstation, cooling subassembly 7 this moment will spray the coolant liquid, carries out rapid cooling to the work piece, thereby accelerates workman letter sorting efficiency.

On traditional laser cutting machine workstation, because the work piece after the laser cutting finishes often is natural cooling, the time that this kind of cooling method needs is longer, and leads to the workman can't sort fast for work efficiency greatly reduced.

Furthermore, one end of the protective component 2 close to the laser cutting head 5 is provided with a dust removal module 4, and the dust removal module 4 is communicated with a cavity formed by enclosing the protective shell and the workbench.

Because can produce the dust at laser cutting head 5 in the course of processing work piece, can collect produced dust through dust removal module 4 to the staff has been prevented to inhale the dust and has caused harm to the health.

Further, 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 frame 1, and the protection component 2 is driven to lift upwards through the control component 3;

when laser cutting head 5 needs to be changed, protection component 2 is lifted through control component 3, so that a gap is generated between protection component 2 and workbench 6, a worker can stand between the protection shell to change laser cutting head 5, and the operation of changing the interior of the cavity is not needed, so that the laser cutting head 5 is more convenient to change, and the working efficiency is also improved.

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

Further, the protecting crust is including fixed protecting crust 21 and slip protecting crust 22, and the quantity of fixed protecting crust is two and fixed connection respectively in the frame, and slip protecting crust 22 is located between two fixed protecting crust 21 and with the fixed protecting crust 21 sliding connection in both sides, slip protecting crust 22 and control assembly 3 fixed connection to drive slip protecting crust 22 by control assembly 3 and reciprocate

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.

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;

specifically, the linkage assembly 72 comprises an elastic member 721, a sliding block 722, a sliding rod 723 and a liquid spraying pipeline 724, the sliding block 722 is in contact connection in the sliding cavity 73, the cross section of the sliding block 722 is matched with that of the sliding cavity 73, therefore, the sliding block 722 cannot swing in the sliding process, the elastic member 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, and the cross sectional 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 Chinese character 'ji';

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, 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.

The soft plate assembly 76 comprises a soft plate 761, an abutting block 762 and a cleaning block 763, wherein the soft plate 761 is movably connected with the lower end of the fixed shell 71, the abutting block 762 is fixed at the bottom close to the sliding rod 723, and the cleaning block is fixed at the lower end of the soft plate 761;

to be noted: at the beginning, the soft plate 761 is in a vertical state with the workbench, and the upper end of the resisting 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 thrust to the resisting block 762 towards the sliding rod 723;

during specific work, when the cooling assembly 7 moves, the soft plate 761 swings after contacting with a workpiece, and further drives the contact block 762 to swing, so that the contact block 762 is separated from the sliding rod 723 to be in contact connection, at the moment, the pushing force of the contact block 762 on the sliding rod 723 disappears, so that the pressure mutually offset with the elastic part 721 disappears, the elastic part 721 releases energy, and further drives the sliding block 722 to move downwards, and further drives 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 to be rapidly cooled, 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 in the moving process, so that the upper end of the workpiece is cleaned.

Further, one end of the fixed casing 71 is fixedly connected with a replenishment pipe 75 which is connected in the liquid storage cavity 74 in a penetrating manner, and the replenishment 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 72 can be sprayed out at a high speed under the action of air pressure, and the workpiece which is cut and has a certain residual heat is cooled rapidly.

Furthermore, a torsion spring 78 is arranged at the hinge point of the fixed shell 71 and the soft plate 761, and the soft plate 761 pushed and swung by the workpiece can be reset through the torsion spring 78, so that the vertical state between the soft plate 761 and the workbench 6 is recovered;

to be noted: the elasticity of the torsion spring 78 is greater than the elasticity of the elastic member 721, so that the soft board 761 can be reset and the touch block 762 can be driven to swing to push the sliding rod 723 to move upwards, and the elastic member 721 is compressed to reset the sliding rod 723.

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 matched with each other;

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, 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 suction unit 41 and a recovery unit 42 mounted on the side wall of the slide protection member 22, the recovery unit 42 is detachably connected to an end of the dust suction unit 41 away from the slide protection member 22, the recovery unit 42 can use a plastic bag, a rubber bag or other objects capable of performing closed dust collection, and some activated carbon can be placed in the recovery unit 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 plastics, which can make the dust suction housing 411 lighter, and these materials are not conductive, so that dust cannot be absorbed on the inner wall of the dust suction housing 411, and the dust suction housing 411 has two surface openings, one side opening is installed with a dust suction pipe, and the other opening is connected with the recovery member 42, the dust collector 412 is fixed in the dust suction housing 411, and the dust collector 412 and the recovery member 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 includes a power member 31 and a lifting block 32, at least one pair of opposite power members 31 is installed on the sliding protective shell 22, the lifting block 32 is fixedly connected between the power member 31 and the frame 1, the lifting direction of the lifting block 32 is the same as the sliding direction between the sliding rail 23 and the sliding protective shell 31, and the lifting block 32 is dynamically connected to the lower end of the power member 31;

specifically, in this technical scheme, the lifting block 32 is the output end of the cylinder, so that the cylinder is used to drive the sliding protective shell 22 to lift, and when the sliding protective shell 22 rises, a worker can conveniently replace the nozzle of the cutting head, inspect and repair the cutting head, and the like. 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 is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be considered as the protection scope 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, and a rack (1) used for installing a laser cutting head (5) is arranged above the workbench (6), and is characterized in that 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, which faces the workbench (6), is provided with a notch matched with a workpiece to be cut, the protective shell is internally provided with a plurality of cooling components (7) which are sequentially connected, 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 side of the workbench (6) is also provided with a driving mechanism which can drive the frame (1) to move along the length direction of the workbench.

2. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 1, wherein a dust removal module (4) is arranged at one end of the protection component (2) close to the laser cutting head (5).

3. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim (2), 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).

4. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim (3), wherein the cooling component (7) comprises a fixed shell (71), a linkage component (72), a sliding cavity (73), a liquid storage cavity (74), a soft plate component (76) and a through groove (77), the fixed shell (71) is fixedly connected to the lower end of the sliding protection shell (22), the soft plate component (76) is movably connected to the other end of the fixed shell (71), the liquid storage shell (74) 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 communicated with the liquid storage cavity (74) through the through groove (77), and the linkage component (72) is slidably connected in the sliding cavity (73).

5. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 3, wherein the protection shells comprise a fixed protection shell (21) and a sliding protection shell (22), at least two fixed protection shells (21) are fixedly connected on the machine frame (1), and the sliding protection shell (22) is slidably connected between two fixed sliding shells (21).

6. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 5, 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).

7. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 6, wherein a transparent block (221) is arranged in the sliding protection shell (22), and the transparent block (221) is more convenient for a worker to observe the cutting condition in the accommodating cavity.

8. The laser cutting machine protection cooling device for facilitating the sorting of workpieces as claimed in claim 7, characterized in that the dust removal module (4) comprises a dust suction part (41) and a recovery part (42) mounted on the side wall of the slide protection part (22), the recovery part (42) being detachably connected to an end of the dust suction part (41) away from the slide protection part (22).

9. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 8, 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 side 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.

10. The laser cutting machine protection cooling device convenient for sorting workpieces as claimed in claim 8, 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 mounted 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 matching sliding direction between the sliding rail (23) and the sliding protection shell (31), and the lifting block (32) is in power connection with the lower end of the power member (31).