A laser cutting device and method for stainless steel coils

Abstract

The application relates to the technical field of laser cutting, and discloses a laser cutting device and method for stainless steel coiled material, which comprises a base, the top of the base is fixedly connected with a support frame, the left side of the base is fixedly connected with a connecting block, the top of the support frame is provided with a motor, the inner wall of the support frame is rotationally connected with a reciprocating screw rod, and the inner wall of the support frame is fixedly connected with a limiting column. The application can press the expanded stainless steel coiled material at a certain angle, avoid the rebound of the expanded stainless steel coiled material during laser cutting, avoid the influence of the rebound of the stainless steel coiled material on the cutting precision of the stainless steel coiled material, improve the laser cutting efficiency of the device, increase the extrusion area of the device on the stainless steel coiled material, guarantee the stability of the laser cutting of the expanded stainless steel coiled material, and improve the laser cutting comprehensiveness of the device on the stainless steel coiled material.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser cutting, in particular to a laser cutting device and method for stainless steel coiled material. BACKGROUND

[0002] In the production of stainless steel products, the cutting of stainless steel coiled material is crucial. Traditional cutting methods for stainless steel coiled material, such as mechanical cutting, have poor precision and rough cutting edges, making it difficult to meet high precision requirements. Laser cutting, on the other hand, focuses high-energy density light beams on the surface of the coiled material, causing the material to melt or vaporize instantaneously, achieving cutting. It has the advantages of high cutting precision, fast speed, narrow and smooth cutting edges, and is gradually being applied in the processing of stainless steel coiled material. However, existing laser cutting devices for stainless steel coiled material still have problems such as the need for manual operation for loading, low efficiency, and fixed angle of the cutting clamping block, which cannot be flexibly adjusted to adapt to diversified processing requirements, and thus need to be improved.

[0003] The patent with publication number CN222095020U discloses a laser cutting machine device for automatic feeding of stainless steel coiled material, which includes a cutting box body, a mounting frame, and a stainless steel coiled material body. The mounting frame is installed on one side of the cutting box body, and the inner wall of the mounting frame is installed with a sliding rail. The top end of the cutting box body is provided with a stainless steel coiled material body. The inside of the cutting box body is provided with a first motor, and the output end of the first motor is installed with a lead screw penetrating through a moving block. The outer wall of the first motor is installed with a moving block that is adapted to the inner wall of the sliding rail. A groove is opened at the top end of the moving block. The inside of the groove is provided with a support frame, and the inside of the support frame is installed with a fixed shaft that positions the stainless steel coiled material body through a bearing. This patent has the function of starting the first motor to drive the lead screw to rotate, then the lead screw drives the moving block to move left and right in the sliding rail, and then the moving block is clamped at the position of the fixed shaft and the rotating shaft, facilitating automatic feeding and processing.

[0004] When the device is in use, the stainless steel coiled material may easily roll back during the process of being unrolled and cut, which may cause relative displacement of the stainless steel coiled material during the cutting process, affecting the quality of subsequent laser cutting. Therefore, a laser cutting device and method for stainless steel coiled material are proposed to solve the above-mentioned problems. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a laser cutting device and method for stainless steel coiled material to overcome the shortcomings of the prior art.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is: a laser cutting device for stainless steel coiled material, comprising a base, the top of the base is fixedly connected with a support frame, the left side of the base is fixedly connected with a connecting block, the top of the support frame is provided with a motor, the inner wall of the support frame is rotatably connected with a reciprocating screw rod, the inner wall of the support frame is fixedly connected with a limiting column, the circumferential surface of the reciprocating screw rod is movably connected with a T plate, the bottom of the T plate is fixedly connected with an elastic telescopic rod one, the telescopic end of the elastic telescopic rod one is fixedly connected with a fixed block one, the inner wall of the fixed block one is rotatably connected with a roller one, the inner wall of the connecting block is rotatably connected with a pressing stick, the inner wall of the T plate is fixedly connected with a fixed block two, the bottom of the fixed block two is fixedly connected with a pressing plate one, the circumferential surface of the pressing plate one is rotatably connected with a pull rod through a torsion spring, the inner wall of the pull rod is fixedly connected with an elastic telescopic rod two, the telescopic end of the elastic telescopic rod two is fixedly connected with a pressing plate two, the circumferential surface of the connecting block is wound with a stainless steel coiled material, the inner wall of the support frame is provided with a multi-angle laser cutting machine, the top of the base is provided with a limiting mechanism for limiting the stainless steel coiled material, the inner wall of the connecting block is provided with a protection mechanism for releasing stress, the reciprocating screw rod is fixedly connected with the output end of the motor, the T plate is slidably connected with the circumferential surface of the limiting column, the stainless steel coiled material is located directly below the pressing plate one, and the pressing plate one is used for extruding and controlling the two sides of the stainless steel coiled material, the stainless steel coiled material contacts the base, the pressing stick contacts the stainless steel coiled material, and the pressing stick is used for flattening the wound stainless steel coiled material, which can press the expanded stainless steel coiled material at a certain angle, avoid the rebound of the expanded stainless steel coiled material during laser cutting, avoid the influence of the rebound of the stainless steel coiled material on the cutting precision of the stainless steel coiled material, improve the laser cutting efficiency of the device, the pressing plate two can be on the same horizontal plane as the pressing plate one, which can increase the extrusion area of the device for the stainless steel coiled material, ensure the stability of the laser cutting of the expanded stainless steel coiled material, and improve the comprehensive laser cutting of the device for the stainless steel coiled material.

[0007] Preferably, the limiting mechanism comprises an electric push rod, a moving plate, a long slot plate, a rotating plate, the electric push rod is fixedly connected to the inner wall of the base, the moving plate is fixedly connected to the telescopic end of the electric push rod, the long slot plate is fixedly connected to the top of the base, the rotating plate is rotatably connected to the inner wall of the long slot plate, the limiting mechanism further comprises a second roller, a fixed rod, a fixed column, a scraper, and a sticking column, the second roller is rotatably connected to the inner wall of the pull rod, the fixed rod is fixedly connected to the circumferential surface of the pull rod, the fixed column is fixedly connected to the inner wall of the second roller, the scraper is fixedly connected to the circumferential surface of the fixed column, and the sticking column is rotatably connected to the circumferential surface of the fixed rod, the moving plate is in contact with the base, the rotating plate is located on the movement track of the moving plate, and the rotating plate is used for limiting the displacement of the expanded stainless steel coil, the rotating plate is in contact with the base, which can prevent the two sides of the stainless steel coil from being warped during cutting, scratch or damage surrounding people or equipment, and the rotating plate can be raised by rotation to limit the cutting of the stainless steel coil and prevent the stainless steel coil from separating from the cutting area, and the sticking column can stick and suck metal scraps, which can prevent the metal scraps on the surface of the expanded stainless steel coil from affecting the subsequent laser cutting precision during laser cutting, and can prevent the metal scraps from interfering with the operation of the laser cutting machine.

[0008] Preferably, the protection mechanism comprises an elastic telescopic rod three, a connecting inclined block, a connecting column, and a cutting-resistant rubber block, the elastic telescopic rod three is fixedly connected to the inner wall of the long slot plate, the connecting inclined block is fixedly connected to the telescopic end of the elastic telescopic rod three, the connecting column is fixedly connected to the inner wall of the connecting inclined block, and the cutting-resistant rubber block is fixedly connected to the circumferential surface of the connecting column, the protection mechanism further comprises a first rubber wheel, a belt, a second rubber wheel, and a release plate, the first rubber wheel is fixedly connected to the circumferential surface of the pressing rod, the release plate is rotatably connected to the inner wall of the connecting block, the second rubber wheel is fixedly connected to the circumferential surface of the release plate, the cutting-resistant rubber block is in contact with the long slot plate, and the cutting-resistant rubber block is used for preventing the two sides of the expanded stainless steel coil from being rolled up, the connecting inclined block is located on the movement track of the rotating plate, the first rubber wheel is in transmission connection with the belt, and the belt is in transmission connection with the second rubber wheel, which can prevent the two sides of the expanded stainless steel coil from contacting other parts of the device and being worn during movement, indirectly improve the laser cutting quality of the device for the stainless steel coil, improve the overall use effect of the device, release the stress of the stainless steel coil during expansion, prevent the stainless steel coil from shaking due to stress during expansion, improve the overall use fluency of the device, and indirectly improve the cutting efficiency of the device.

[0009] A use method of a laser cutting device for a stainless steel coil, comprising the following steps:

[0010] Step one: when the device starts, the operator can rotate the stainless steel coil on the circumference of the connecting block through the external device, so that the stainless steel coil is unfolded on the top of the base before laser cutting, at this time the motor starts, and the output end of the motor drives the reciprocating screw rod to rotate;

[0011] Step two: in the process of rotating the reciprocating screw rod, the reciprocating screw rod drives the T plate to rotate, but the T plate is limited by the limiting column at this time, and the limiting column causes the T plate to move downward through the reciprocating groove on the surface of the reciprocating screw rod in the process of rotating the reciprocating screw rod;

[0012] Step three: the movement of the T plate drives the elastic expansion rod one to move, and the movement of the elastic expansion rod one drives the fixed block one to move, and the movement of the fixed block one drives the roller one to move;

[0013] Step four: when the roller one moves downward by a distance, the roller one contacts the unfolded stainless steel coil, and the roller one can press the unfolded stainless steel coil at a certain angle to avoid the rebound of the unfolded stainless steel coil during laser cutting.

[0014] The above technical scheme can bring the following beneficial effects:

[0015] 1、The laser cutting device and method of the stainless steel coil can press the unfolded stainless steel coil at a certain angle through the mutual cooperation and movement of the base, support frame, connecting block, reciprocating screw rod, limiting column, T plate, elastic expansion rod one, fixed block one, roller one, pressing rod, fixed block two, pressing plate one, pull rod, elastic expansion rod two and pressing plate two, avoid the rebound of the unfolded stainless steel coil during laser cutting, avoid the influence of the rebound of the stainless steel coil on the cutting precision of the stainless steel coil, improve the laser cutting efficiency of the device, and make the pressing plate two and the pressing plate one in the same horizontal plane, increase the extrusion area of the device to the stainless steel coil, ensure the stability of the laser cutting of the stainless steel coil after unfolding, and improve the comprehensive laser cutting of the device to the stainless steel coil.

[0016] 2、The laser cutting device and method of the stainless steel coiled material, through the mutual cooperation and movement between the electric push rod, the moving plate, the long slot plate, the rotating plate, the roller two, the fixed rod, the fixed column, the scraper, and the adhesion column, the two sides of the stainless steel coiled material can be prevented from being raised during cutting, and the surrounding people or machine equipment can be prevented from being scratched and damaged, the rotating plate can be raised to cut and limit the stainless steel coiled material, the stainless steel coiled material can be prevented from separating from the cutting area, the metal scraps can be adhered and sucked by the adhesion column, the metal scraps on the surface of the stainless steel coiled material after being expanded can be prevented from affecting the subsequent laser cutting precision, and the metal scraps can be prevented from interfering with the operation of the laser cutting machine.

[0017] 3、The laser cutting device and method of the stainless steel coiled material, through the mutual cooperation and movement between the elastic telescopic rod three, the connecting inclined block, the connecting column, the anti-cutting rubber block, the rubber wheel one, the belt, the rubber wheel two, and the release plate, the two sides of the stainless steel coiled material after being expanded can be prevented from being in contact with other parts of the device and being worn during movement, the laser cutting quality of the device for the stainless steel coiled material can be indirectly improved, the overall use effect of the device can be improved, the stress of the stainless steel coiled material during expansion can be released, the stainless steel coiled material can be prevented from being shaken during expansion, the overall use fluency of the device can be improved, and the cutting efficiency of the device can be indirectly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the present application;

[0019] Figure 2 It is a support frame structure half-section view of the present application;

[0020] Figure 3 It is a reciprocating screw structure schematic view of the present application;

[0021] Figure 4 It is a structure enlarged view of A in the present application Figure 3

[0022] Figure 5 It is a limiting mechanism schematic view of the present application;

[0023] Figure 6 It is a structure enlarged view of B in the present application Figure 5

[0024] Figure 7 It is a protection mechanism schematic view of the present application;

[0025] Figure 8 It is a structure enlarged view of C in the present application Figure 7

[0026] ​​​In the figure: 1, base; 2, support frame; 3, connecting block; 4, limiting mechanism; 5, protection mechanism; 6, reciprocating screw rod; 7, limiting column; 8, T plate; 9, elastic telescopic rod I; 10, fixed block I; 11, roller I; 12, pressing stick; 13, fixed block II; 14, pressing plate I; 15, pull rod; 16, elastic telescopic rod II; 17, pressing plate II; 401, electric push rod; 402, moving plate; 403, long slot plate; 404, rotating plate; 405, roller II; 406, fixed rod; 407, fixed column; 408, scraper; 409, adhesion column; 501, elastic telescopic rod III; 502, connecting inclined block; 503, connecting column; 504, anti-cutting rubber block; 505, leather wheel I; 506, belt; 507, leather wheel II; 508, release plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-8 An embodiment of the present application is a laser cutting device for stainless steel coiled material, which comprises a base 1, the top of the base 1 is fixedly connected with a support frame 2, the left side of the base 1 is fixedly connected with a connecting block 3, the top of the support frame 2 is provided with a motor, the inner wall of the support frame 2 is rotatably connected with a reciprocating screw rod 6, the inner wall of the support frame 2 is fixedly connected with a limiting column 7, the circumferential surface of the reciprocating screw rod 6 is movably connected with a T plate 8, the bottom of the T plate 8 is fixedly connected with an elastic telescopic rod I 9, the telescopic end of the elastic telescopic rod I 9 is fixedly connected with a fixed block I 10, the inner wall of the fixed block I 10 is rotatably connected with a roller I 11, the inner wall of the connecting block 3 is rotatably connected with a pressing stick 12, the inner wall of the T plate 8 is fixedly connected with a fixed block II 13, the bottom of the fixed block II 13 is fixedly connected with a pressing plate I 14, the circumferential surface of the pressing plate I 14 is rotatably connected with a pull rod 15 through a torsion spring, the inner wall of the pull rod 15 is fixedly connected with an elastic telescopic rod II 16, the telescopic end of the elastic telescopic rod II 16 is fixedly connected with a pressing plate II 17, the circumferential surface of the connecting block 3 is wound with stainless steel coiled material, and the inner wall of the support frame 2 is provided with a multi-angle laser cutting machine;

[0029] When the device starts, the operator can rotate the stainless steel coil on the circumference of the connecting block 3 through the external device, so that the stainless steel coil can be unfolded on the top of the base 1 before laser cutting. At this time, the motor starts, and the output end of the motor drives the reciprocating screw rod 6 to rotate. In the process of rotation, the reciprocating screw rod 6 drives the T plate 8 to rotate, but the T plate 8 is limited by the limiting column 7 at this time. The limiting column 7 causes the T plate 8 to move downward only through the reciprocating groove on the surface of the reciprocating screw rod 6 in the process of rotation of the reciprocating screw rod 6. The movement of the T plate 8 drives the elastic expansion rod I 9 to move, and the movement of the elastic expansion rod I 9 drives the fixed block I 10 to move. The movement of the fixed block I 10 drives the roller I 11 to move. When the roller I 11 moves downward by a distance, the roller I 11 contacts with the unfolded stainless steel coil, and can press the unfolded stainless steel coil at a certain angle to avoid the rebound of the unfolded stainless steel coil during laser cutting, avoid the influence of the rebound of the stainless steel coil on the cutting precision of the stainless steel coil, and improve the laser cutting efficiency of the device;

[0030] The top of the base 1 is provided with a limiting mechanism 4 for limiting the stainless steel coil. The inner wall of the connecting block 3 is provided with a protection mechanism 5 for releasing stress. The reciprocating screw rod 6 is fixedly connected to the output end of the motor. The T plate 8 is slidably connected to the circumference of the limiting column 7. The stainless steel coil is located directly below the pressing plate I 14, and the pressing plate I 14 is used to extrude and control the both sides of the stainless steel coil. The stainless steel coil contacts with the base 1, and the pressing rod 12 contacts with the stainless steel coil, and the pressing rod 12 is used to flatten the wound stainless steel coil;

[0031] When the device starts, the movement of the T plate 8 drives the fixed block II 13 to move, the movement of the fixed block II 13 drives the pressing plate I 14 to move, the movement of the pressing plate I 14 drives the pull rod 15 to move, the movement of the pull rod 15 drives the elastic expansion rod II 16 to move downward, the movement of the elastic expansion rod II 16 drives the pressing plate II 17 to move. When the pull rod 15 moves by a distance, the pull rod 15 contacts with the unfolded stainless steel coil. After the pull rod 15 contacts with the stainless steel coil, the pull rod 15 continues to move downward. At this time, the stainless steel coil will exert a reaction force on the pull rod 15 and push the pull rod 15 to rotate. In the process of rotation, the rotation of the pull rod 15 drives the elastic expansion rod II 16 to rotate, and the rotation of the elastic expansion rod II 16 drives the pressing plate II 17 to rotate. When the pressing plate I 14 contacts with the stainless steel coil, the pressing plate II 17 also contacts with the stainless steel coil at this time. The pressing plate II 17 can be in the same horizontal plane with the pressing plate I 14, which can increase the extrusion area of the device to the stainless steel coil, can ensure the stability of the stainless steel coil after unfolding for laser cutting, and improve the laser cutting comprehensiveness of the device to the stainless steel coil;

[0032] The overall working principle is: when the roller one 11 moves downward by a distance, the roller one 11 contacts the expanded stainless steel coil and can press the expanded stainless steel coil at a certain angle, so that the rebound of the expanded stainless steel coil during laser cutting is avoided, the cutting precision of the stainless steel coil is not affected by the rebound of the stainless steel coil, the laser cutting efficiency of the device is improved, when the pressing plate one 14 contacts the stainless steel coil, the pressing plate two 17 also contacts the stainless steel coil at this time, the pressing plate two 17 can be in the same horizontal plane as the pressing plate one 14, the pressing area of the device on the stainless steel coil can be increased, the stability of the laser cutting of the expanded stainless steel coil can be ensured, and the laser cutting comprehensiveness of the device on the stainless steel coil is improved.

[0033] Please refer to Figures 1-8 On the basis of the above embodiment, in another embodiment of the present application, the limiting mechanism 4 comprises an electric push rod 401, a moving plate 402, a long slot plate 403, and a rotating plate 404, the electric push rod 401 is fixedly connected to the inner wall of the base 1, the moving plate 402 is fixedly connected to the telescopic end of the electric push rod 401, the long slot plate 403 is fixedly connected to the top of the base 1, and the rotating plate 404 is rotatably connected to the inner wall of the long slot plate 403.

[0034] When the device is started, the electric push rod 401 is started, the telescopic end of the electric push rod 401 drives the moving plate 402 to rise, after the moving plate 402 rises by a distance, the moving plate 402 contacts the rotating plate 404, at this time the moving plate 402 continues to rise, the moving plate 402 drives the rotating plate 404 to rotate, after the rotating plate 404 rotates by a certain angle, the rotating plate 404 can isolate the cutting area of the stainless steel coil by a certain distance, so that the two sides of the stainless steel coil are prevented from being raised during cutting, and the surrounding people or machine equipment is prevented from being scratched and damaged, and at the same time, through the rotation of the rotating plate 404, the cutting of the stainless steel coil is limited, and the stainless steel coil is prevented from separating from the cutting area.

[0035] The limiting mechanism 4 further comprises a roller two 405, a fixed rod 406, a fixed column 407, a scraper 408, and a sticking column 409, the roller two 405 is rotatably connected to the inner wall of the pull rod 15, the fixed rod 406 is fixedly connected to the circumferential surface of the pull rod 15, the fixed column 407 is fixedly connected to the inner wall of the roller two 405, the scraper 408 is fixedly connected to the circumferential surface of the fixed column 407, the sticking column 409 is rotatably connected to the circumferential surface of the fixed rod 406, the moving plate 402 contacts the base 1, the rotating plate 404 is located on the movement track of the moving plate 402, and the rotating plate 404 is used for limiting the displacement of the expanded stainless steel coil, and the rotating plate 404 contacts the base 1.

[0036] When the device starts, the pull rod 15 moves downward, the pull rod 15 drives the roller two 405 to move, the movement of the roller two 405 drives the fixed column 407 to move, the movement of the fixed column 407 drives the scraper 408 to move, and the movement of the pull rod 15 drives the fixed rod 406 to move, the movement of the fixed rod 406 drives the adhesion column 409 to move, and after the pull rod 15 rotates at an angle, the pull rod 15 can drive the roller two 405 to rotate, the roller two 405 contacts the expanded stainless steel coil at this time, and in the movement process of the expanded stainless steel coil, the expanded stainless steel coil can drive the roller two 405 to rotate due to friction, the rotation of the roller two 405 drives the fixed column 407 to rotate, the rotation of the fixed column 407 drives the scraper 408 to rotate, and in the rotation process of the scraper 408, the metal scraps on the surface of the expanded stainless steel coil can be pushed, the scraper 408 can push the metal scraps to the movement area of the adhesion column 409, and the adhesion column 409 can adhere and suck the metal scraps, so that the metal scraps on the surface of the expanded stainless steel coil do not affect the subsequent laser cutting precision during laser cutting of the expanded stainless steel coil, and the metal scraps do not interfere with the operation of the laser cutting machine;

[0037] The protection mechanism 5 comprises elastic telescopic rod three 501, connecting inclined block 502, connecting column 503 and anti-cutting rubber block 504, the elastic telescopic rod three 501 is fixedly connected to the inner wall of the long groove plate 403, the connecting inclined block 502 is fixedly connected to the telescopic end of the elastic telescopic rod three 501, the connecting column 503 is fixedly connected to the inner wall of the connecting inclined block 502, and the anti-cutting rubber block 504 is fixedly connected to the circumferential surface of the connecting column 503;

[0038] When the device starts, the rotating plate 404 contacts and pushes the connecting inclined block 502 to move after rotating by a certain angle, the movement of the connecting inclined block 502 drives the connecting column 503 to move, the movement of the connecting column 503 drives the anti-cutting rubber block 504 to move, and after the anti-cutting rubber block 504 moves a distance, the anti-cutting rubber block 504 contacts the two sides of the expanded stainless steel coil, so that the two sides of the expanded stainless steel coil do not contact other parts of the device and are not worn during movement of the expanded stainless steel coil, and the laser cutting quality of the device for the stainless steel coil is indirectly improved, and the overall use effect of the device is improved;

[0039] The protection mechanism 5 further comprises a first friction wheel 505, a belt 506, a second friction wheel 507, and a release plate 508. The first friction wheel 505 is fixedly connected to the circumferential surface of the pressing rod 12. The release plate 508 is rotatably connected to the inner wall of the connecting block 3. The second friction wheel 507 is fixedly connected to the circumferential surface of the release plate 508. The anti-cutting rubber block 504 is in contact with the long groove plate 403 and is used to prevent the uncoiled stainless steel coil from rolling up on both sides. The connecting inclined block 502 is located on the movement track of the rotating plate 404. The first friction wheel 505 is in transmission connection with the belt 506, and the belt 506 is in transmission connection with the second friction wheel 507.

[0040] When the device is started, the pressing rod 12 generates friction force due to contact with the uncoiled stainless steel coil during the uncoiling and moving process of the stainless steel coil. At this time, the uncoiled stainless steel coil can drive the pressing rod 12 to rotate to a certain extent through the friction force during the moving process. The rotation of the pressing rod 12 drives the first friction wheel 505 to rotate, and the rotation of the first friction wheel 505 drives the second friction wheel 507 to rotate through the belt 506. The rotation of the second friction wheel 507 drives the release plate 508 to rotate. During the rotation of the release plate 508, the release plate 508 is in contact with the uncoiled stainless steel coil and is subjected to a certain jolt, which causes a certain deformation. The stress of the uncoiled stainless steel coil during the uncoiling process can be released, and stress vibration of the uncoiled stainless steel coil during the uncoiling process can be avoided. The overall use fluency of the device can be improved, and the cutting efficiency of the device can be indirectly improved.

[0041] A use method of a laser cutting device for stainless steel coils, comprising the following steps:

[0042] Step one: when the device is started, the operator can rotate the stainless steel coil on the circumferential surface of the connecting block 3 through external equipment to complete the uncoiling of the stainless steel coil on the top of the base 1 before laser cutting. At this time, the motor is started, and the output end of the motor drives the reciprocating screw rod 6 to rotate.

[0043] Step two: during the rotation of the reciprocating screw rod 6, the reciprocating screw rod 6 drives the T plate 8 to rotate, but the T plate 8 is limited by the limiting column 7 at this time. The limiting column 7 causes the T plate 8 to only move downward through the reciprocating groove on the surface of the reciprocating screw rod 6 during the rotation of the reciprocating screw rod 6.

[0044] Step three: the movement of the T plate 8 drives the elastic telescopic rod one 9 to move, and the movement of the elastic telescopic rod one 9 drives the fixed block one 10 to move, and the movement of the fixed block one 10 drives the roller one 11 to move.

[0045] Step four: when the roller one 11 moves down for a distance, the roller one 11 will contact the expanded stainless steel coil, and the roller one 11 can press the expanded stainless steel coil at a certain angle to avoid the rebound of the expanded stainless steel coil during the laser cutting process.

[0046] Overall working principle: the rotating plate 404 can isolate the cutting area of the stainless steel coil to a certain extent, which can avoid the lifting of the stainless steel coil on both sides during cutting, scratching and damaging surrounding people or equipment, and the rotating plate 404 can be rotated and erected to cut and limit the stainless steel coil, avoid the stainless steel coil from separating from the cutting area, and the scraper 408 can push the metal scraps to the movement area of the adhesion column 409, which can adhere and suck the metal scraps to avoid the influence of the metal scraps on the surface of the expanded stainless steel coil on the subsequent laser cutting precision, avoid the interference of the metal scraps with the operation of the laser cutting machine, and the cutting-resistant rubber block 504 will contact the both sides of the expanded stainless steel coil to avoid the contact between the both sides of the expanded stainless steel coil and other parts of the device during movement and produce wear, which can indirectly improve the laser cutting quality of the device for the stainless steel coil and improve the overall use effect of the device. In the process of rotation, the release plate 508 will contact and top the expanded stainless steel coil and deform to a certain extent, which can release the stress of the stainless steel coil during expansion, avoid stress shaking of the stainless steel coil during expansion, improve the overall use fluency of the device, and indirectly improve the cutting efficiency of the device.

[0047] The present application provides a kind of stainless steel coil's laser cutting device and method, the method and approach of specifically realizing this technical solution are many, above-mentioned only preferred embodiment of the present application, it should be pointed out, for the ordinary skill in the art of this technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be considered as the protection scope of the present application. The components not explicitly described in the embodiment can be realized by existing technology.

Claims

1. A laser cutting device of stainless steel coil, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a support frame (2), the left side of the base (1) is fixedly connected with a connecting block (3), the top of the support frame (2) is provided with a motor, the inner wall of the support frame (2) is rotatably connected with a reciprocating screw rod (6), the inner wall of the support frame (2) is fixedly connected with a limiting column (7), the circumferential surface of the reciprocating screw rod (6) is movably connected with a T plate (8), the bottom of the T plate (8) is fixedly connected with an elastic telescopic rod I (9), the telescopic end of the elastic telescopic rod I (9) is fixedly connected with a fixed block I (10), the inner wall of the fixed block I (10) is rotatably connected with a roller I (11), the inner wall of the connecting block (3) is rotatably connected with a pressing stick (12), the inner wall of the T plate (8) is fixedly connected with a fixed block II (13), the bottom of the fixed block II (13) is fixedly connected with a pressing plate I (14), the circumferential surface of the pressing plate I (14) is rotatably connected with a pull rod (15) through a torsional spring, the inner wall of the pull rod (15) is fixedly connected with an elastic telescopic rod II (16), the telescopic end of the elastic telescopic rod II (16) is fixedly connected with a pressing plate II (17), the circumferential surface of the connecting block (3) is wound with a stainless steel coiled material, and the inner wall of the support frame (2) is provided with a multi-angle laser cutting machine; The top of the base (1) is provided with a limiting mechanism (4) for limiting the stainless steel coiled material, the inner wall of the connecting block (3) is provided with a protection mechanism (5) for releasing stress, the reciprocating screw rod (6) is fixedly connected with the output end of the motor, the T plate (8) is slidably connected with the circumferential surface of the limiting column (7), the stainless steel coiled material is located directly below the pressing plate I (14), and the pressing plate I (14) is used for extruding and controlling the stainless steel coiled material on both sides; The stainless steel coiled material is in contact with the base (1), the pressing stick (12) is in contact with the stainless steel coiled material, and the pressing stick (12) is used for flattening the coiled stainless steel coiled material; The limiting mechanism (4) comprises an electric push rod (401), a moving plate (402), a long slot plate (403), and a rotating plate (404), the electric push rod (401) is fixedly connected with the inner wall of the base (1), the moving plate (402) is fixedly connected with the telescopic end of the electric push rod (401), the long slot plate (403) is fixedly connected with the top of the base (1), and the rotating plate (404) is rotatably connected with the inner wall of the long slot plate (403); The limiting mechanism (4) further comprises a roller II (405), a fixed rod (406), a fixed column (407), a scraper (408), and a sticking column (409), the roller II (405) is rotatably connected with the inner wall of the pull rod (15), the fixed rod (406) is fixedly connected with the circumferential surface of the pull rod (15), the fixed column (407) is fixedly connected with the inner wall of the roller II (405), the scraper (408) is fixedly connected with the circumferential surface of the fixed column (407), and the sticking column (409) is rotatably connected with the circumferential surface of the fixed rod (406).

2. A laser cutting device for stainless steel coils as claimed in claim 1, wherein: The moving plate (402) is in contact with the base (1), the rotating plate (404) is located on the movement track of the moving plate (402), and the rotating plate (404) is used for displacement limiting of the unwound stainless steel coil, and the rotating plate (404) is in contact with the base (1).

3. A laser cutting device for stainless steel coils as claimed in claim 2, wherein: The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503).

4. A laser cutting device for stainless steel coils as claimed in claim 3, wherein: The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503).

5. A laser cutting device for stainless steel strip as claimed in claim 4 wherein: The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503).

6. A method of using a laser cutting device for stainless steel coil, using the laser cutting device for stainless steel coil according to claim 5, characterized in that: The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall of the connecting inclined block (502), and the rubber block (504) is fixedly connected to the circumferential surface of the connecting column (503). The protection mechanism (5) further comprises a rubber block (504), a connecting inclined block (502), a connecting column (503), and an elastic telescopic rod three (501), the elastic telescopic rod three (501) is fixedly connected to the inner wall of the long groove plate (403), the connecting inclined block (502) is fixedly connected to the telescopic end of the elastic telescopic rod three (501), the connecting column (503) is fixedly connected to the inner wall

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