Precise laser cutting device for stainless steel pipe

Abstract

The precise laser cutting device for the stainless steel pipe comprises a bottom frame, a clamping mechanism is arranged on the bottom frame, the stability of a steel pipe in the conveying process is guaranteed through the clamping mechanism, a rotating mechanism is arranged on the clamping mechanism and used for driving the steel pipe to rotate, a cutting mechanism is arranged in front of the rotating mechanism, and the cutting mechanism is used for cutting the steel pipe. The cutting mechanism comprises a cutting supporting frame, the cutting mechanism rotationally cuts a steel pipe, a positioning mechanism is arranged at the front end of the cutting mechanism, the positioning mechanism can enable the steel pipe to slide to a proper cutting distance, a discharging mechanism is arranged below the positioning mechanism, and the cut steel pipe can be conveniently conveyed through the discharging mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of pipe cutting, and in particular to a stainless steel pipe precision laser cutting device. Background Art

[0002] Laser cutting technology uses a high-power density laser beam to quickly heat the material to the vaporization point, forming a continuous and narrow (about 0.1mm) slit, achieving efficient and high-precision cutting of the material. Especially in pipe processing, laser cutting has shown significant speed and quality advantages. The traditional pipe cutting method is to use an electric motor to drive the cutting saw blade to rotate at high speed to cut the pipe, but this cutting method not only affects the shape of the cutting mouth, but also requires secondary grinding of the cutting mouth, and most of the saw blade is exposed to the outside, which is easy to injure the operator when running at high speed. Summary of the invention

[0003] In response to the above technical problems, the technical solution adopted by the present invention is: a precision laser cutting device for stainless steel pipes, comprising a base frame, a clamping mechanism is arranged on the base frame, the clamping mechanism ensures the stability of the steel pipe during the transportation process, a rotating mechanism is arranged on the clamping mechanism, the rotating mechanism is used to drive the steel pipe to rotate, a cutting mechanism is arranged in front of the rotating mechanism, the cutting mechanism includes a cutting support frame, the cutting mechanism rotates and cuts the steel pipe, a positioning mechanism is arranged at the front end of the cutting mechanism, the positioning mechanism includes a sliding motor, the positioning mechanism can make the steel pipe slide to an appropriate cutting distance, and a blanking mechanism is arranged below the positioning mechanism, the blanking mechanism facilitates the transportation of the cut steel pipe.

[0004] Furthermore, the clamping mechanism includes a support frame I and a support frame II fixedly mounted on the base frame, a second motor fixedly mounted on the support frame I, a lower clamping screw rotatably mounted on the movable end of the second motor, a lower clamping arc slidably mounted on the lower clamping screw, a first motor fixedly mounted on the support frame II, an upper clamping screw rotatably mounted on the movable end of the first motor, an upper clamping arc slidably mounted on the upper clamping screw, and an auxiliary cylinder fixedly mounted on the support frame II.

[0005] Further, the rotating mechanism includes a rotating motor fixedly mounted on the upper clamping arc, a plurality of rotating wheel support frames are fixedly mounted on the upper clamping arc, a rotating shaft is rotatably mounted on the movable end of the rotating motor, a driving wheel is rotatably mounted on the rotating shaft, a driven wheel I is rotatably mounted on one side of the driving wheel, a driven wheel II is rotatably mounted on the other side of the driving wheel, a connecting pulley II is rotatably mounted on the front end of the driving wheel, a synchronous pulley I is rotatably mounted on the rear end of the driving wheel, a connecting pulley I is rotatably mounted on the driven wheel I, a connecting belt is wound around the connecting pulley I and the connecting pulley II, a synchronous pulley II is rotatably mounted on the driven wheel II, a synchronous belt is wound around the synchronous pulley II and the synchronous pulley I, and a pinion is rotatably mounted on the front end of the rotating shaft.

[0006] Furthermore, the cutting mechanism comprises a rotating frame rotatably mounted on the cutting support frame, a large gear is fixedly mounted on the rotating frame, a laser cutting gun is fixedly mounted on one side of the rotating frame, and the large gear is meshed with a small gear.

[0007] Furthermore, the positioning mechanism includes a fixed frame fixedly mounted on the base frame, a positioning screw is rotatably mounted on the movable end of the sliding motor, a rotating shaft is rotatably mounted on the front end of the positioning screw, a bevel gear is rotatably mounted on the rotating shaft, a sliding block is slidably mounted on the positioning screw, a positioning plate is fixedly mounted on the sliding block, an electric cylinder is fixedly mounted on the positioning plate, a movable frame is fixedly mounted on the top end of the electric cylinder, a connecting rod is rotatably mounted on the movable frame, a connecting rod is rotatably mounted on the connecting rod, a connecting frame is fixedly mounted on the positioning plate, one end of the connecting rod is rotatably mounted on the connecting rod, the other end of the connecting rod is rotatably mounted on the connecting frame, an inner clamping plate is fixedly mounted on the connecting rod, and a plurality of outer clamping plates are fixedly mounted on the positioning plate.

[0008] Furthermore, the blanking mechanism includes a plurality of blanking support frames and a transmission shaft fixing frame fixedly mounted on the base frame, a conveying shaft I is rotatably mounted on the blanking support frame, a conveying shaft II is rotatably mounted on another blanking support frame, a transmission shaft is rotatably mounted on the transmission shaft fixing frame, a side bevel gear is rotatably mounted on the front end of the transmission shaft, a transmission pulley I is rotatably mounted on the bottom end of the transmission shaft, a transmission pulley II is rotatably mounted on the conveying shaft I, a transmission belt is wound around the transmission pulley II and the transmission pulley I, a conveyor belt is wound around the conveying shaft I and the conveying shaft II, and the side bevel gears are meshed with the bevel gears.

[0009] Compared with the prior art, the present invention has the following advantages: (1) The present invention provides a clamping mechanism and utilizes two lead screws to drive the upper and lower clamping arcs to work simultaneously, thereby clamping the steel pipe in all directions and preventing the steel pipe from being displaced during cutting and other problems; (2) The positioning mechanism provided in the present invention can clamp the steel pipe and slide it to a specified position before cutting it, and when the positioning mechanism is reversed, it cooperates with the blanking mechanism to transport the steel pipe in an orderly manner, and the cutting length can be adjusted at will, and it can work continuously; (3) The present invention provides a rotating mechanism and a cutting mechanism to cooperate, thereby driving the laser cutting gun to rotate while driving the steel pipe to rotate, thereby achieving a higher cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 .

[0011] Figure 2 It is a schematic diagram of the structure of the clamping mechanism of the present invention.

[0012] Figure 3 It is a schematic diagram of the structure of the rotating mechanism of the present invention.

[0013] Figure 4 The overall structure of the present invention is shown in FIG. Figure 2 .

[0014] Figure 5 It is a schematic diagram of the structure of the cutting device of the present invention.

[0015] Figure 6 It is a schematic diagram of the rotating frame structure of the present invention.

[0016] Figure 7 It is a schematic diagram of the structure of the blanking mechanism of the present invention.

[0017] Figure 8 Schematic diagram of the positioning mechanism structure of the present invention Figure numbers: 1-base frame; 201-support frame Ⅰ; 202-support frame Ⅱ; 203-upper clamping screw; 204-lower clamping screw; 205-auxiliary cylinder; 206-upper clamping arc; 207-lower clamping arc; 208-first motor; 209-second motor; 301-rotating motor; 302-rotating wheel support frame; 303-driven rotating wheel Ⅰ; 304-driving rotating wheel; 305-driven rotating wheel Ⅱ; 306-rotating shaft; 307-connecting pulley Ⅰ; 308-connecting belt; 309-connecting pulley Ⅱ; 310-synchronous pulley Ⅰ; 311-synchronous belt; 312-synchronous pulley Ⅱ; 313-auxiliary rotating wheel; 314-pinion; 315-vertical frame; 316-horizontal rotating wheel; 317-cutting support frame ;318-rotating frame;319-large gear;320-laser cutting gun;401-sliding motor;402-positioning screw;403-rotating shaft;404-fixed frame;405-sliding block;406-positioning plate;407-limiting block;408-outer clamping plate;409-electric cylinder;410-connecting frame;411-movable frame;412-inner clamping plate;413-connecting rod;414-connecting rod;415-bevel gear;501-blank material support frame;502-transmission shaft fixing frame;503-transmission shaft;504-side bevel gear;505-transmission pulley Ⅰ;506-transmission belt;507-transmission pulley Ⅱ;508-conveying shaft Ⅰ;509-conveying shaft Ⅱ;510-conveying belt;6-stainless steel pipe. DETAILED DESCRIPTION

[0018] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0019] Example: Reference Figure 1-Figure 8 A precision laser cutting device for stainless steel pipes comprises a base frame 1, wherein the base frame 1 is provided with a clamping mechanism, wherein the clamping mechanism ensures the stability of the steel pipe during the conveying process, wherein the clamping mechanism is provided with a rotating mechanism, wherein the rotating mechanism is used to drive the steel pipe to rotate, wherein a cutting mechanism is provided in front of the rotating mechanism, wherein the cutting mechanism comprises a cutting support frame 317, wherein the cutting mechanism performs rotational cutting on the steel pipe, wherein a positioning mechanism is provided at the front end of the cutting mechanism, wherein the positioning mechanism comprises a sliding motor 401, wherein the positioning mechanism can slide the steel pipe to a suitable cutting distance, wherein a blanking mechanism is provided below the positioning mechanism, wherein the blanking mechanism facilitates the conveying of the cut steel pipe.

[0020] like Figure 1-Figure 2As shown, the clamping mechanism includes a support frame I 201 and a support frame II 202 fixedly mounted on the base frame 1, a second motor 209 is fixedly mounted on the support frame I 201, a lower clamping screw 204 is rotatably mounted on the movable end of the second motor 209, a lower clamping arc 207 is slidably mounted on the lower clamping screw 204, a first motor 208 is fixedly mounted on the support frame II 202, an upper clamping screw 203 is conveyedly mounted on the movable end of the first motor 208, an upper clamping arc 206 is slidably mounted on the upper clamping screw 203, and an auxiliary cylinder 205 is fixedly mounted on the support frame II 202.

[0021] Place the stainless steel tube 6 on the lower clamping arc 207, push the end of the stainless steel tube 6 to the front end of the lower clamping arc 207 for the first time, and use the lateral rotating wheel 316 to assist in rolling. Then start the first motor 208 and the second motor 209 at the same time. The first motor 208 drives the upper clamping arc 206 to slide downward as a whole, and the second motor 209 drives the lower clamping arc 207 to slide upward as a whole, so as to clamp the stainless steel tube in all directions to prevent position displacement during transportation and affect cutting.

[0022] like Figure 1-Figure 4 As shown, the rotating mechanism includes a rotating motor 301 fixedly mounted on the upper clamping arc 206, a plurality of rotating wheel support frames 302 are fixedly mounted on the upper clamping arc 206, a rotating shaft 306 is rotatably mounted on the movable end of the rotating motor 301, a driving rotating wheel 304 is rotatably mounted on the rotating shaft 306, a driven rotating wheel I 303 is rotatably mounted on one side of the driving rotating wheel 304, a driven rotating wheel II 305 is rotatably mounted on the other side of the driving rotating wheel 304, and the front end of the driving rotating wheel 304 is rotatably mounted. A connecting pulley II 309 is rotatably installed, a synchronous pulley I 310 is rotatably installed on the rear end of the driving wheel 304, a connecting pulley I 307 is rotatably installed on the driven wheel I 303, a connecting belt 308 is wound around the connecting pulley I 307 and the connecting pulley II 309, a synchronous pulley II 312 is rotatably installed on the driven wheel II 305, a synchronous belt 311 is wound around the synchronous pulley II 312 and the synchronous pulley I 310, and a pinion 314 is rotatably installed on the front end of the rotating shaft 306.

[0023] like Figure 5-Figure 6 As shown, the cutting mechanism includes a rotating frame 318 rotatably mounted on a cutting support frame 317 , a large gear 319 is fixedly mounted on the rotating frame 318 , a laser cutting gun 320 is fixedly mounted on one side of the rotating frame 318 , and the large gear 319 is meshed with a small gear 314 .

[0024] The rotating motor 301 works, and the rotating motor 301 drives the rotating shaft 306 to rotate. The rotating shaft 306 rotates to drive the driving wheel 304 to rotate, thereby driving the connecting pulley II 309 and the synchronous pulley I 310 to rotate. The connecting pulley II 309 drives the connecting pulley I 307 to rotate through the connecting belt 308, and the synchronous pulley I 310 drives the synchronous pulley II 312 to rotate through the synchronous belt 311, thereby achieving the synchronous rotation of the driven wheel I 303 and the driven wheel II 305, and the rotating shaft 306 rotates to drive the pinion 314 to rotate; When the upper clamping arc 206 slides down to be close to the steel pipe, the pinion 314 moves down to mesh with the rotating frame 318, so that the pinion 314 drives the rotating frame 318 to rotate, and the laser cutting gun 320 reverses to cut while the stainless steel pipe 6 rotates.

[0025] like Figure 4-Figure 8 The positioning mechanism shown includes a fixed frame 404 fixedly mounted on the base frame 1, a positioning screw 402 is rotatably mounted on the movable end of the sliding motor 401, a rotating shaft 403 is rotatably mounted on the front end of the positioning screw 402, a bevel gear 415 is rotatably mounted on the rotating shaft 403, a sliding block 405 is slidably mounted on the positioning screw 402, a positioning plate 406 is fixedly mounted on the sliding block 405, an electric cylinder 409 is fixedly mounted on the positioning plate 406, a movable frame 411 is fixedly mounted on the top end of the electric cylinder 409, a connecting rod 413 is rotatably mounted on the movable frame 411, a connecting rod 414 is rotatably mounted on the connecting rod 413, a connecting frame 410 is fixedly mounted on the positioning plate 406, one end of the connecting rod 414 is rotatably mounted on the connecting rod 413, and the other end of the connecting rod 414 is rotatably mounted on the connecting frame 410, an inner clamping plate 412 is fixedly mounted on the connecting rod 413, and a plurality of outer clamping plates 408 are fixedly mounted on the positioning plate 406.

[0026] like Figure 7 As shown, the blanking mechanism includes a plurality of blanking support frames 501 and a transmission shaft fixing frame 502 fixedly mounted on the base frame 1, the blanking support frame 501 is rotatably mounted with a conveying shaft I508, the other blanking support frame 501 is rotatably mounted with a conveying shaft II509, the transmission shaft fixing frame 502 is rotatably mounted with a transmission shaft 503, the front end of the transmission shaft 503 is rotatably mounted with a side bevel gear 504, the bottom end of the transmission shaft 503 is rotatably mounted with a transmission pulley I505, the conveying shaft I508 is rotatably mounted with a transmission pulley II507, the transmission pulley II507 and the transmission pulley I505 are wrapped with a transmission belt 506, the conveying shaft I508 and the conveying shaft II509 are wrapped with a conveyor belt 510, and the side bevel gear 504 is meshed with the bevel gear 415.

[0027] First, the electric cylinder 409 is pulled back to drive the movable frame 411 to retreat, so that the inner clamping plate 412 is close to the inner wall of the stainless steel pipe 6, and the outer clamping plate 408 is close to the outer wall of the steel pipe, thereby achieving a clamping state, and then the sliding motor 401 is driven to drive the positioning screw 402 to rotate. When the positioning screw 402 rotates and drives the sliding block 405 to slide backward to a suitable position, waiting for cutting. After the cutting is completed, the sliding motor 409 works to push forward, and the steel pipe falls onto the blanking mechanism due to its own weight, and then the sliding motor 401 is reversed, thereby driving the bevel gear 415 to reverse. The rotation of the bevel gear 415 drives the side bevel gear 504 to rotate along the direction of the conveying shaft II 509, thereby driving the steel pipe that falls onto the conveyor belt 510 to carry out blanking.

[0028] The working principle of the stainless steel tube precision laser cutting device disclosed in the present invention is as follows: the stainless steel tube 6 is placed on the lower clamping arc 207, the end of the stainless steel tube 6 is first pushed to the front end of the lower clamping arc 207, and the lateral rotating wheel 316 is used to assist the rolling, and then the first motor 208 and the second motor 209 are started at the same time, the first motor 208 drives the upper clamping arc 206 to slide downward as a whole, and the second motor 209 drives the lower clamping arc 207 to slide upward as a whole, so as to clamp the stainless steel tube in all directions to prevent the occurrence of The position deviation affects the cutting, and then the electric cylinder 409 is pulled back to drive the movable frame 411 to retreat, so that the inner clamping plate 412 is close to the inner wall of the stainless steel pipe 6, and the outer clamping plate 408 is close to the outer wall of the steel pipe, thereby achieving a clamping state, and then the sliding motor 401 works to drive the positioning screw 402 to rotate, and the positioning screw 402 rotates to drive the sliding block 405 to slide backward to a suitable position, waiting for cutting, and the rotating motor 301 works to drive the rotating shaft 306 to rotate, and the rotating shaft 306 rotates to drive the active rotating wheel 304 to rotate The connecting pulley Ⅱ309 and the synchronous pulley Ⅰ310 rotate, and the connecting pulley Ⅱ309 drives the connecting pulley Ⅰ307 to rotate through the connecting belt 308, and the synchronous pulley Ⅰ310 drives the synchronous pulley Ⅱ312 to rotate through the synchronous belt 311, so as to achieve the synchronous rotation of the driven rotating wheel Ⅰ303 and the driven rotating wheel Ⅱ305, and the rotation of the rotating shaft 306 drives the small gear 314 to rotate, so as to realize the rotation of the steel pipe in one direction. When the upper clamping arc 206 slides down to be close to the steel pipe, the small gear 314 moves down to be close to the rotating frame 3 18 are meshed, so that the pinion 314 drives the rotating frame 318 to rotate, and the laser cutting gun 320 reverses to cut while the stainless steel pipe 6 rotates, making the laser cutting more precise. After the cutting is completed, the sliding motor 409 works to push forward, and the steel pipe falls onto the blanking mechanism due to its own weight, and then the sliding motor 401 reverses, thereby driving the bevel gear 415 to reverse. The rotation of the bevel gear 415 drives the side bevel gear 504 to rotate along the direction of the conveying shaft II 509, thereby driving the steel pipe that falls onto the conveyor belt 510 to blank.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A stainless steel tube precision laser cutting device, comprising a base frame (1), characterized in that: The base frame (1) is provided with a clamping mechanism, the clamping mechanism ensures the stability of the steel pipe during the conveying process, the clamping mechanism is provided with a rotating mechanism, the rotating mechanism is used to drive the steel pipe to rotate, a cutting mechanism is provided in front of the rotating mechanism, the cutting mechanism includes a cutting support frame (317), the cutting mechanism rotates and cuts the steel pipe, a positioning mechanism is provided at the front end of the cutting mechanism, the positioning mechanism includes a sliding motor (401), the positioning mechanism can make the steel pipe slide to a suitable cutting distance, and a blanking mechanism is provided below the positioning mechanism, the blanking mechanism facilitates the conveying of the cut steel pipe; The rotating mechanism comprises a rotating motor (301) fixedly mounted on the upper clamping arc (206), a plurality of rotating wheel support frames (302) fixedly mounted on the upper clamping arc (206), a rotating shaft (306) rotatably mounted on the movable end of the rotating motor (301), a driving rotating wheel (304) rotatably mounted on the rotating shaft (306), a driven rotating wheel I (303) rotatably mounted on one side of the driving rotating wheel (304), a driven rotating wheel II (305) rotatably mounted on the other side of the driving rotating wheel (304), and a rotating shaft (306) rotatably mounted on the front end of the driving rotating wheel (304). A connecting pulley II (309), a synchronous pulley I (310) is rotatably mounted on the rear end of the driving rotating wheel (304), a connecting pulley I (307) is rotatably mounted on the driven rotating wheel I (303), a connecting belt (308) is wound around the connecting pulley I (307) and the connecting pulley II (309), a synchronous pulley II (312) is rotatably mounted on the driven rotating wheel II (305), a synchronous belt (311) is wound around the synchronous pulley II (312) and the synchronous pulley I (310), and a pinion (314) is rotatably mounted on the front end of the rotating shaft (306); The positioning mechanism comprises a fixed frame (404) fixedly mounted on the base frame (1); a positioning screw (402) is rotatably mounted on the movable end of the sliding motor (401); a rotating shaft (403) is rotatably mounted on the front end of the positioning screw (402); a bevel gear (415) is rotatably mounted on the rotating shaft (403); a sliding block (405) is slidably mounted on the positioning screw (402); a positioning plate (406) is fixedly mounted on the sliding block (405); an electric cylinder (409) is fixedly mounted on the positioning plate (406); and the top of the electric cylinder (409) is A movable frame (411) is fixedly mounted on the end, a connecting rod (413) is rotatably mounted on the movable frame (411), a connecting rod (414) is rotatably mounted on the connecting rod (413), a connecting frame (410) is fixedly mounted on the positioning plate (406), one end of the connecting rod (414) is rotatably mounted on the connecting rod (413), the other end of the connecting rod (414) is rotatably mounted on the connecting frame (410), an inner clamping plate (412) is fixedly mounted on the connecting rod (413), and a plurality of outer clamping plates (408) are fixedly mounted on the positioning plate (406).

2. A stainless steel tube precision laser cutting device according to claim 1, characterized in that: The clamping mechanism comprises a support frame I (201) and a support frame II (202) fixedly mounted on a base frame (1); a second motor (209) is fixedly mounted on the support frame I (201); a lower clamping screw (204) is rotatably mounted on the movable end of the second motor (209); a lower clamping arc (207) is slidably mounted on the lower clamping screw (204); a first motor (208) is fixedly mounted on the support frame II (202); an upper clamping screw (203) is rotatably mounted on the movable end of the first motor (208); an upper clamping arc (206) is slidably mounted on the upper clamping screw (203); and an auxiliary cylinder (205) is fixedly mounted on the support frame II (202).

3. The stainless steel tube precision laser cutting device according to claim 1, characterized in that: The cutting mechanism comprises a rotating frame (318) rotatably mounted on a cutting support frame (317), a large gear (319) being fixedly mounted on the rotating frame (318), a laser cutting gun (320) being fixedly mounted on one side of the rotating frame (318), and the large gear (319) being meshed with a small gear (314).

4. The stainless steel tube precision laser cutting device according to claim 1, characterized in that: The blanking mechanism comprises a plurality of blanking support frames (501) and a transmission shaft fixing frame (502) fixedly mounted on a base frame (1); a conveying shaft I (508) is rotatably mounted on the blanking support frame (501); a conveying shaft II (509) is rotatably mounted on another blanking support frame (501); a transmission shaft (503) is rotatably mounted on the transmission shaft fixing frame (502); a side bevel gear (504) is rotatably mounted on the front end of the transmission shaft (503); a transmission pulley I (505) is rotatably mounted on the bottom end of the transmission shaft (503); a transmission pulley II (507) is rotatably mounted on the transmission shaft I (508); a transmission belt (506) is wound around the transmission pulley II (507) and the transmission pulley I (505); a conveying belt (510) is wound around the outside of the conveying shaft I (508) and the conveying shaft II (509); and the side bevel gear (504) is meshed with the bevel gear (415).

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