CN112743240B

CN112743240B - Laser cutting device for mechanical parts

Info

Publication number: CN112743240B
Application number: CN202011589052.9A
Authority: CN
Inventors: 方志林
Original assignee: Shenzhen Jingke Vision Technology Co ltd
Current assignee: Shenzhen Jingke Vision Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2023-06-02
Anticipated expiration: 2040-12-29
Also published as: CN112743240A

Abstract

The invention discloses a laser cutting device for mechanical parts, which belongs to the field of machining of mechanical parts and comprises a cutting fixed plate, wherein a slide way is arranged in the cutting fixed plate, a rack is fixedly connected to the inner wall of the slide way, a motor case is arranged at the top of the cutting fixed plate, a first motor is arranged in the motor case, the output end of the first motor is rotationally connected with a gear, and the gear is meshed with the rack; according to the invention, the air cylinder drives the thrust rod to stretch out and draw back, so that the pressing plate can be in contact with the turnover rod, the turnover rod can be pressed down, and when the turnover rod is pressed down, the two ends of the turnover rod are respectively hinged with the cutting groove and the motor frame through the hinge, so that the azimuth of the motor frame can be changed, and therefore, when a worker performs laser cutting on a mechanical part, the worker performs omnibearing dead angle-free displacement on the mechanical part and the laser cutting device, the cutting efficiency is improved, and meanwhile, the working difficulty of the worker is saved.

Description

Laser cutting device for mechanical parts

Technical Field

The invention relates to the field of machining of mechanical parts, in particular to a laser cutting device for mechanical parts.

Background

The mechanical parts, also called mechanical elements, are basic elements constituting the machine, are non-separable single parts constituting the machine and the machine, are not only a subject for researching and designing the basic parts of the machine in various devices, but also a general term of parts and components, and with the development of the mechanical industry, new design theory and methods, new materials and new processes, the mechanical parts enter new development stages. Finite element method, fracture mechanics, elastic hydrodynamic lubrication, optimization design, reliability design, computer aided design, solid modeling, system analysis, design methodology and other theories have been gradually used for research and design of mechanical parts.

The laser cutting refers to that a material to be cut is irradiated by a high-power-density laser beam, so that the material is quickly heated to a vaporization temperature and evaporated to form holes, and along with the movement of the material by the laser beam, slits with very narrow widths (such as about 0.1 mm) are continuously formed in the holes, so that the cutting of the material is completed.

At present, when the existing laser cutting device cuts mechanical parts, the cutting mode is generally divided into two modes, one is that a worker holds a cutting gun to cut the mechanical parts, because the temperature of the whole cutting table is raised instantly by laser flame sprayed out of the cutting gun during cutting, dangerous safety accidents are very easy to cause for the worker, the other is that the cutting gun is installed in the cutting device, so that the cutting gun cannot be moved flexibly, the problem of poor cutting efficiency is caused, and meanwhile, when the mechanical parts are cut, the worker usually fixes the mechanical parts on the cutting table, so that the worker needs to detach the mechanical parts on the cutting table manually when the mechanical parts are required to be displaced or turned, and therefore the mechanical parts can be turned.

Disclosure of Invention

The invention aims to provide a laser cutting device for mechanical parts, which solves the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a laser cutting device of mechanical parts, includes the cutting fixed plate, the slide has been seted up to the inside of cutting fixed plate, the inner wall fixedly connected with rack of slide, the top of cutting fixed plate is provided with the motor case, the inside of motor case is provided with first motor, the output of first motor rotates and is connected with the gear, the gear meshes with the rack mutually, the inside center department of gear is provided with laser cutting device, the bottom fixedly connected with backup pad of cutting fixed plate, one side fixedly connected with cutting table of backup pad, the cutting groove has been seted up to the inside of cutting table, one side fixedly connected with cylinder supporting rod of cutting groove inside, one side fixedly connected with cylinder of cylinder supporting rod, the output of cylinder is provided with the thrust rod, the one end fixedly connected with clamp plate of thrust rod, the equal fixedly connected with hinge in both sides of cutting groove inside, the inside hinged joint of hinge has the upset pole, the one end hinged joint of upset pole has the motor frame, the inside of motor frame is provided with second motor, the output of second motor fixedly connected with hinge, the inside of upset pole is close to the inside spring clamping device, the top fixedly connected with spring is close to the clamping device.

As a further scheme of the invention: the quantity of spring is a plurality of, and a plurality of the spring divide into four groups, and four groups the spring is with rectangular array's form fixed connection at the inner wall of cutting the groove, through the setting of a plurality of springs, when the turnover rod is moving, the spring is buffering the downward power of turnover rod, after pushing down, the spring has elasticity performance, can pop up the turnover rod rapidly for the turnover rod keeps former position.

As still further aspects of the invention: the clamping device comprises a connecting plate, the spout has been seted up to the inside of connecting plate, the inside sliding connection of spout has the slider, the slider extends to the outside of spout, one side fixedly connected with grip block of slider, just the quantity of grip block is two, and the staff is when carrying out the centre gripping to the mechanical parts of equidimension difference, because two grip blocks pass through the inside of slider sliding connection at the spout respectively, thereby make the staff can adjust the distance between two grip blocks according to the size of mechanical parts, when mechanical parts is great, the staff is with two grip blocks backward displacement, make the distance between two grip blocks widen, thereby can carry out the centre gripping to great mechanical parts, when carrying out the centre gripping to less mechanical parts, the staff is with two grip blocks inward displacement, make the distance between two grip blocks narrow, thereby can carry out the centre gripping to less mechanical parts, and then make this device can carry out the centre gripping to the mechanical parts of equidimension difference, and is extremely strong.

As still further aspects of the invention: the bottom of connecting plate has seted up the cavity, the bottom fixedly connected with screw rod of slider, the surface threaded connection of screw rod has stop nut, after carrying out the centre gripping to mechanical parts, the staff twists stop nut for stop nut carries out the displacement at the surface of screw rod, thereby contacts with the bottom of connecting plate, and then can fix two grip blocks.

As still further aspects of the invention: one side fixedly connected with refrigeration case of cutting bench surface, the inside of refrigeration case is provided with the condenser, the output fixedly connected with cooling fin of condenser, just the material of cooling fin is copper, the cooling fin extends to the inside of cutting groove, when carrying out laser cutting to mechanical parts, the staff starts the refrigeration case for the inside condenser of refrigeration case carries out work, and the condenser is by the gas through a long pipe, lets the heat scatter and disappear in the air all around, and the metal heat conductivility of copper class is strong, is commonly used for carrying steam, often attaches the fin that the heat conductivility is excellent on the pipeline for the efficiency that improves the condenser increases heat radiating area, in order to accelerate the heat dissipation to accelerate the air convection through the fan, take away the heat, and then make this device can carry out quick cooling to mechanical parts, prevent that the high temperature from leading to mechanical parts to produce deformation.

As still further aspects of the invention: the utility model discloses a storage box, including backup pad, bolt, work piece, bolt, storage box, staff, storage plate, and then the both sides of backup pad surface are all fixedly connected with storage plate, the inside threaded connection of storage plate has the bolt, the bolt extends to the inside of backup pad, one side fixedly connected with storage box of storage plate, the staff will put the inside of storage plate through bolt threaded connection to the backup pad, and then fix the storage plate in one side of backup pad to make the staff can place the inside of storage box with the required work utensil of during operation, the staff of being convenient for gets and take.

As still further aspects of the invention: the number of the bolts is eight, every four bolts are in one group, and the eight bolts are divided into two groups, so that the stability of the opposite object plate when being fixed on one side of the supporting plate is improved.

As still further aspects of the invention: the equal fixedly connected with reinforcing plate in both sides of backup pad inner wall, the quantity of reinforcing plate is four, through the setting of four reinforcing plates, can make the inner wall of backup pad connect through the reinforcing plate, has improved the fastness of two backup pads.

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

1. in the invention, through the matching arrangement among the cutting fixing plate, the slide way, the rack, the first motor, the gear, the cutting table, the cutting groove, the cylinder supporting rod, the cylinder, the thrust rod, the hinge, the turning rod, the second motor and the clamping device, when the device is used, a worker starts the first motor to drive the gear to rotate when carrying out laser cutting on mechanical parts, the gear can displace in the slide way when the gear rotates due to the meshing of the gear and the rack, the shape of the slide way is wave-shaped, so that the gear can move in a large range in the cutting fixing plate, the laser cutting device is arranged at the bottom of the gear, and then the laser cutting device can be displaced, and then the worker can displace the laser cutting device according to the position of the mechanical parts, the flexibility is extremely strong, simultaneously when cutting mechanical parts, the staff clamps the mechanical parts in the clamping device, then starts the second motor, so that the second motor drives the clamping device to rotate, because the mechanical parts are clamped in the clamping device, the staff can rotate 360 degrees on the mechanical parts, simultaneously when the staff needs to change the cutting direction of the mechanical parts, the cylinder is started, the cylinder drives the thrust rod to stretch and contract, so that the pressing plate can be contacted with the turnover rod, and then the turnover rod can be pressed down, when the turnover rod is pressed down, the two ends of the turnover rod are hinged with the cutting groove and the motor frame through hinges respectively, and then the direction of the motor frame can be changed, so that when the staff performs laser cutting on the mechanical parts, all-round, no dead angle carry out the displacement to mechanical parts and laser cutting device, not only improved cutting efficiency, also saved staff's the work degree of difficulty simultaneously.

2. According to the invention, through the matching arrangement among the clamping device, the connecting plate, the sliding groove, the sliding block, the clamping plates, the screw rod and the limiting nut, when the device is used, a worker can clamp mechanical parts with different sizes by sliding the two clamping plates in the sliding groove through the sliding block respectively, so that the worker can adjust the distance between the two clamping plates according to the sizes of the mechanical parts, when the mechanical parts are large, the worker can backwards displace the two clamping plates, the distance between the two clamping plates is widened, so that the larger mechanical parts can be clamped, when the smaller mechanical parts are clamped, the worker can inwards displace the two clamping plates, the distance between the two clamping plates is narrowed, so that the smaller mechanical parts can be clamped, the device can clamp the mechanical parts with different sizes, the flexibility is extremely strong, after the mechanical parts are clamped, the worker twists the limiting nut, so that the distance between the two clamping plates is widened, the two clamping plates can be displaced on the outer surfaces of the screw rod, and the two clamping plates can be contacted with the connecting plate.

3. According to the invention, through the cooperation between the refrigeration box and the condenser, when the device is used, a worker starts the refrigeration box when carrying out laser cutting on mechanical parts, so that the condenser in the refrigeration box works, the condenser is formed by allowing heat to be dissipated into the surrounding air through a long pipe by air, the metal such as copper has strong heat conducting property and is commonly used for conveying steam, a radiating fin with excellent heat conducting property is often attached to a pipeline for improving the efficiency of the condenser, the radiating area is enlarged so as to accelerate heat dissipation, and the air convection is accelerated by a fan, so that the device can carry out rapid cooling on the mechanical parts and prevent the mechanical parts from deforming due to overhigh temperature.

Drawings

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

FIG. 2 is a schematic view of the structure of the rack of the present invention;

FIG. 3 is a schematic view showing the internal structure of the cutting groove according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;

FIG. 5 is a schematic view of the structure of the refrigeration case of the present invention;

fig. 6 is a schematic structural view of a clamping device according to the present invention.

In the figure: 1. cutting the fixing plate; 2. a slideway; 3. a rack; 4. a motor case; 5. a gear; 6. a support plate; 7. a cutting table; 8. cutting a groove; 9. a cylinder support rod; 10. a cylinder; 11. a thrust rod; 12. a hinge; 13. turning over the rod; 14. a motor frame; 15. a second motor; 16. a clamping device; 17. a spring; 18. a refrigeration box; 19. cooling sheets; 20. a storage plate; 21. a bolt; 22. a reinforcing plate; 23. a pressing plate; 24. a storage box; 1601. a connecting plate; 1602. a chute; 1603. a slide block; 1604. a clamping plate; 1605. a screw; 1606. and (5) limiting the nut.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, in the embodiment of the invention, a laser cutting device for mechanical parts comprises a cutting fixing plate 1, a slide way 2 is arranged in the cutting fixing plate 1, a rack 3 is fixedly connected to the inner wall of the slide way 2, a motor box 4 is arranged at the top of the cutting fixing plate 1, a first motor is arranged in the motor box 4, a gear 5 is rotatably connected to the output end of the first motor, the gear 5 is meshed with the rack 3, a laser cutting device is arranged at the center of the inner part of the gear 5, a supporting plate 6 is fixedly connected to the bottom of the cutting fixing plate 1, a cutting table 7 is fixedly connected to one side of the supporting plate 6, a cutting groove 8 is formed in the inner part of the cutting table 7, a cylinder supporting rod 9 is fixedly connected to one side of the cutting groove 8, a cylinder 10 is fixedly connected to one side of the cylinder supporting rod 9, a pushing rod 11 is arranged at the output end of the cylinder 10, a pressing plate 23 is fixedly connected to one end of the pushing rod 11, hinges 12 are fixedly connected to two sides of the inner part of the cutting groove 8, a turnover rod 13 is hinged to the inner part of the hinge, one end of the turnover rod 13 is hinged to a motor frame 14, a second motor 15 is fixedly connected to the inner part of the motor frame 14, a second hinge 15 is fixedly connected to the second hinge 15 is connected to the second hinge 17, and is fixedly connected to the spring 17 and is fixedly connected to the top of the spring 17; when a worker performs laser cutting on mechanical parts, the first motor is started, so that the first motor drives the gear 5 to rotate, and because the gear 5 is meshed with the rack 3, when the gear 5 rotates, the gear 5 can displace in the slide way 2, the slide way 2 is in a wave shape, so that the gear 5 can move in a large range in the cutting fixing plate 1, the laser cutting device is arranged at the bottom of the gear 5, and then the laser cutting device can be displaced, and then the worker can displace the laser cutting device according to the position of the mechanical parts, so that the flexibility is extremely strong, simultaneously when the mechanical parts are cut, the worker clamps the mechanical parts in the clamping device 16, then the second motor 15 is started, so that the second motor 15 drives the clamping device 16 to rotate, because the mechanical parts centre gripping is in the inside of clamping device 16, and then make the staff can carry out 360 rotations to mechanical parts, simultaneously when the staff need change the cutting position of mechanical parts, start cylinder 10, make cylinder 10 drive thrust rod 11 and stretch out and draw back, thereby make clamp plate 23 can contact with upset pole 13, and then can push down upset pole 13, when pushing down, the both ends of upset pole 13 are articulated with cutting groove 8 and motor frame 14 through hinge 12 respectively, and then can change the position of motor frame 14, thereby make the staff carry out the displacement to mechanical parts and laser cutting device all-round, no dead angle when carrying out laser cutting to mechanical parts, not only improved cutting efficiency, the work degree of difficulty of staff has also been saved simultaneously.

The number of the springs 17 is several, the springs 17 are divided into four groups, the four groups of springs 17 are fixedly connected to the inner wall of the cutting groove 8 in a rectangular array, through the arrangement of the springs 17, when the turnover rod 13 moves, the springs 17 buffer downward force of the turnover rod 13, after the turnover rod 13 is pressed down, the springs 17 have elastic performance, and the turnover rod 13 can be quickly sprung up, so that the turnover rod 13 maintains the original direction; the clamping device 16 comprises a connecting plate 1601, a sliding groove 1602 is formed in the connecting plate 1601, a sliding block 1603 is connected in the sliding groove 1602 in a sliding manner, the sliding block 1603 extends to the outside of the sliding groove 1602, clamping plates 1604 are fixedly connected to one side of the sliding block 1603, and the number of the clamping plates 1604 is two, when a worker clamps mechanical parts with different sizes, as the two clamping plates 1604 are respectively connected in the sliding groove 1602 in a sliding manner through the sliding block 1603, the worker can adjust the distance between the two clamping plates 1604 according to the sizes of the mechanical parts, when the mechanical parts are large, the worker moves the two clamping plates 1604 backwards, the distance between the two clamping plates 1604 is widened, so that the larger mechanical parts can be clamped, and when the smaller mechanical parts are clamped, the worker moves the two clamping plates 1604 inwards, so that the distance between the two clamping plates 1604 is narrowed, and the device can clamp the mechanical parts with different sizes with extremely strong flexibility; the bottom of the connecting plate 1601 is provided with a cavity, the bottom of the sliding block 1603 is fixedly connected with a screw 1605, the outer surface of the screw 1605 is in threaded connection with a limit nut 1606, after clamping mechanical parts, a worker twists the limit nut 1606 to enable the limit nut 1606 to displace on the outer surface of the screw 1605, so that the limit nut 1606 is contacted with the bottom of the connecting plate 1601, and further two clamping plates 1604 can be fixed; one side fixedly connected with refrigeration case 18 of cutting bench 7 surface, the inside of refrigeration case 18 is provided with the condenser, the output fixedly connected with cooling fin 19 of condenser, and the material of cooling fin 19 is copper, the cooling fin 19 extends to the inside of cutting groove 8, when carrying out laser cutting to mechanical parts, staff starts refrigeration case 18, make the inside condenser of refrigeration case 18 work, the condenser is by the gas through a long pipe, let the heat scatter and disappear in the air all around, metal heat conductivility such as copper is strong, be used for carrying steam commonly, often attach the fin that the heat conductivility is excellent on the pipeline for the efficiency that improves the condenser, increase radiating area, with the heat dissipation is accelerated, and accelerate the air convection through the fan, take away the heat, and then make this device can carry out quick cooling to mechanical parts, prevent that the high temperature from causing mechanical parts to produce deformation.

The two sides of the outer surface of the supporting plate 6 are fixedly connected with the object placing plate 20, the inner threads of the object placing plate 20 are connected with the bolts 21, the bolts 21 extend to the inner part of the supporting plate 6, one side of the object placing plate 20 is fixedly connected with the object placing box 24, a worker is connected with the object placing plate 20 to the inner part of the supporting plate 6 through the bolts 21, and then the object placing plate 20 is fixed on one side of the supporting plate 6, so that the worker can place a working tool required during working into the inner part of the object placing box 24, and the worker can conveniently take the object; the number of the bolts 21 is eight, and each four of the eight bolts 21 is a group, and the eight bolts 21 are divided into two groups, so that the stability of the opposite object plate 20 when being fixed on one side of the supporting plate 6 is improved; the equal fixedly connected with reinforcing plate 22 in both sides of backup pad 6 inner wall, the quantity of reinforcing plate 22 is four, through the setting of four reinforcing plates 22, can make the inner wall of backup pad 6 connect through reinforcing plate 22, has improved the fastness of two backup pads 6.

The working principle of the invention is as follows: when a worker performs laser cutting on mechanical parts, the first motor is started, so that the first motor drives the gear 5 to rotate, and because the gear 5 is meshed with the rack 3, when the gear 5 rotates, the gear 5 can displace in the slide way 2, the slide way 2 is in a wave shape, so that the gear 5 can move in a large range in the cutting fixing plate 1, the laser cutting device is arranged at the bottom of the gear 5, and then the laser cutting device can be displaced, and then the worker can displace the laser cutting device according to the position of the mechanical parts, so that the flexibility is extremely strong, simultaneously when the mechanical parts are cut, the worker clamps the mechanical parts in the clamping device 16, then the second motor 15 is started, so that the second motor 15 drives the clamping device 16 to rotate, because the mechanical parts are clamped in the clamping device 16, the working personnel can rotate the mechanical parts by 360 degrees, and meanwhile, when the working personnel needs to change the cutting position of the mechanical parts, the air cylinder 10 is started, the air cylinder 10 drives the thrust rod 11 to stretch and retract, so that the pressing plate 23 can be contacted with the turnover rod 13, and then the turnover rod 13 can be pressed down, when the turnover rod 13 is pressed down, the two ends of the turnover rod 13 are respectively hinged with the cutting groove 8 and the motor frame 14 through the hinge 12, and then the position of the motor frame 14 can be changed, so that when the working personnel performs laser cutting on the mechanical parts, the working personnel can perform displacement on the mechanical parts and the laser cutting device in all directions without dead angles, the cutting efficiency is improved, the working difficulty of the working personnel is saved, and when the working personnel clamps the mechanical parts with different sizes, because two grip blocks 1604 respectively through slider 1603 sliding connection in the inside of spout 1602 to make the staff can adjust the distance between two grip blocks 1604 according to the size of mechanical spare part, when mechanical spare part is great, the staff is with two grip blocks 1604 backward displacement, thereby make the distance between two grip blocks 1604 widen, thereby can carry out the centre gripping to great mechanical spare part, when carrying out the centre gripping to less mechanical spare part, the staff inwards displacement with two grip blocks 1604, make the distance between two grip blocks 1604 narrow down, thereby can carry out the centre gripping to less mechanical spare part, and then make this device can carry out the centre gripping to mechanical spare part of size difference, the flexibility is extremely strong, after carrying out the centre gripping to mechanical spare part, the staff twists limit nut 1606, make limit nut 1606 carry out the displacement at screw 1605's surface, thereby contact with the bottom of connecting plate 1601, and then can fix two grip blocks 1604, when carrying out the laser cutting to mechanical spare part, work start-up case 18, make the inside condenser 18 is the heat dissipation factor is that can be used for the heat dissipation factor is high, and the heat dissipation device is carried out to the heat dissipation factor is high-conducting the heat dissipation device, and the heat dissipation device is used for the heat dissipation factor is high, the heat dissipation device is carried out to the heat dissipation factor is high, and the heat dissipation device is used for the heat dissipation of the heat dissipation device is usually has the heat dissipation of the heat dissipation device.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a laser cutting device of mechanical parts, includes cutting fixed plate (1), its characterized in that: slide (2) have been seted up to the inside of cutting fixed plate (1), the inner wall fixedly connected with rack (3) of slide (2), the top of cutting fixed plate (1) is provided with motor case (4), the inside of motor case (4) is provided with first motor, the output of first motor rotates and is connected with gear (5), gear (5) and rack (3) mesh mutually, the inside center department of gear (5) is provided with laser cutting device, the bottom fixedly connected with backup pad (6) of cutting fixed plate (1), one side fixedly connected with cutting platform (7) of backup pad (6), cutting groove (8) have been seted up to the inside of cutting platform (7), one side fixedly connected with cylinder support pole (9) of cutting groove (8) inside, one side fixedly connected with cylinder (10) of cylinder support pole (9), the output of cylinder (10) is provided with thrust pole (11), the one end fixedly connected with clamp plate (23) of thrust pole (11), one end fixedly connected with clamp plate (23) of cutting groove (8), one side fixedly connected with cutting platform (7) of hinge (12) inside hinge (13) of hinge (13) all, hinge (13) are connected with hinge (13) inside the hinge, the inside of the motor frame (14) is provided with a second motor (15), the output end of the second motor (15) is fixedly connected with a clamping device (16), the inner wall of the cutting groove (8) close to the hinge (12) is fixedly connected with a spring (17), and the top of the spring (17) is fixedly connected with the overturning rod (13);

the clamping device (16) comprises a connecting plate (1601), a sliding groove (1602) is formed in the connecting plate (1601), a sliding block (1603) is connected in the sliding groove (1602) in a sliding mode, the sliding block (1603) extends to the outer portion of the sliding groove (1602), clamping plates (1604) are fixedly connected to one side of the sliding block (1603), and the number of the clamping plates (1604) is two;

a cavity is formed in the bottom of the connecting plate (1601), a screw rod (1605) is fixedly connected to the bottom of the sliding block (1603), and a limit nut (1606) is connected to the outer surface of the screw rod (1605) in a threaded manner;

one side fixedly connected with refrigeration case (18) of cutting table (7) surface, the inside of refrigeration case (18) is provided with the condenser, the output fixedly connected with cooling fin (19) of condenser, just the material of cooling fin (19) is copper, inside that cooling fin (19) extend to cutting groove (8).

2. A laser cutting apparatus for mechanical parts according to claim 1, wherein: the number of the springs (17) is several, the springs (17) are divided into four groups, and the four groups of springs (17) are fixedly connected to the inner wall of the cutting groove (8) in a rectangular array mode.

3. A laser cutting apparatus for mechanical parts according to claim 1, wherein: the utility model discloses a storage box, including backup pad (6), thing board (20) are put to both sides of backup pad (6) surface all fixedly connected with, the inside threaded connection of putting thing board (20) has bolt (21), bolt (21) extend to the inside of backup pad (6), one side fixedly connected with storage box (24) of putting thing board (20).

4. A laser cutting apparatus for mechanical parts according to claim 3, wherein: the number of the bolts (21) is eight, and each four of the eight bolts (21) are in a group.

5. A laser cutting apparatus for mechanical parts according to claim 4, wherein: reinforcing plates (22) are fixedly connected to two sides of the inner wall of the supporting plate (6), and the number of the reinforcing plates (22) is four.