A metal pipe laser cutting device with positioning cutting function

Abstract

The present invention discloses a metal pipe laser cutting device with a positioning and cutting function, comprising a support frame, the inner cavity of the support frame is slidably connected to a conveying plate, the top of the conveying plate is provided with a mounting seat, the top of the mounting seat is provided with a mounting plate, a second servo motor and a third servo motor are respectively provided on both sides of the outer wall of the mounting plate, the output end of the second servo motor passes through the mounting plate and is connected to a first rotating rod, and a first limit block is provided on the top of the mounting seat. The present invention realizes clamping, fixing and rotating metal pipes of different sizes by setting multiple groups of servo motors to cooperate with each other, and polishes and grinds the slag inside the metal pipe and the burrs on the cut end. When the grinding block is located in the inner cavity of the metal pipe, it can be raised and lowered according to the size of the space inside the pipe under the rebound force of the first spring, thereby adapting to the inside of metal pipes of different sizes.

Description

Technical Field

[0001] The present invention belongs to the technical field of laser cutting, and in particular relates to a metal pipe laser cutting device with a positioning cutting function. Background Art

[0002] Traditional laser cutting of metal pipes typically requires manual positioning and securing of the pipe before the laser cutter is used to cut it. This method has numerous drawbacks, including inaccurate positioning, low cutting efficiency, high labor intensity, and inconsistent cutting quality. These issues not only impact production efficiency but also increase costs. In particular, traditional methods struggle to meet the high standards of modern industrial production due to their precision control in positioning and cutting. Furthermore, these methods carry significant safety risks during operation.

[0003] Therefore, it is necessary to propose a metal pipe laser cutting device with positioning cutting function to solve the above problems. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a metal pipe laser cutting device with positioning and cutting functions, which effectively solves the problem in the background technology that in the traditional metal pipe laser cutting process, the pipe usually needs to be manually positioned and fixed, and then cut by a laser cutting machine. This method has many shortcomings, such as inaccurate positioning, low cutting efficiency, high labor intensity and unstable cutting quality. These problems not only affect production efficiency, but also increase production costs. In particular, in terms of positioning and cutting precision control, traditional methods are difficult to meet the high standards of modern industrial production. In addition, these methods have high safety risks during operation.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A metal pipe laser cutting device with a positioning and cutting function, comprising a support frame, an inner cavity of the support frame being slidably connected to a conveying plate, a mounting seat being provided on the top of the mounting seat, a mounting plate being provided on the top of the mounting seat, a second servo motor and a third servo motor being provided on both sides of the outer wall of the mounting plate, the output end of the second servo motor passing through the mounting plate is connected to a first rotating rod, a first limit block being provided on the top of the mounting seat, the first rotating rod being located in the inner cavity of the first limit block, the end of the first rotating rod away from the second servo motor being connected to a worm, the power output end of the third servo motor passing through the mounting plate is connected to a second gear, the outer wall of the mounting plate is rotatably connected to the first connecting rod, the outer wall of the first connecting rod is slidably provided with a circular gear cylinder, the outer wall of the mounting seat is provided with a bracket, the inner cavity of the bracket is rotatably connected to the second rotating rod, a turbine and a fourth gear are provided on both sides of the second rotating rod, the turbine is meshed with the worm, and the fourth gear is meshed with the circular gear cylinder, and a fixture base is provided on the top of the mounting seat.

[0006] Preferably, the outer wall of the mounting plate is rotatably connected to a third gear, and the end of the third gear away from the mounting plate is fixedly connected to the outer wall of the first connecting rod, the inner cavity of the first connecting rod is provided with a limiting groove, and the upper and lower sides of the circular gear cylinder are provided with sliding grooves, and the inner cavity of the circular gear cylinder is provided with a sliding plate, and the sliding plate matches the limiting groove.

[0007] Preferably, the end of the circular gear cylinder away from the third gear is connected to a connecting head, the inner cavity of the connecting head is evenly carved with lifting grooves, the inner cavity of the connecting head is carved with a positioning groove, the inner cavity of the lifting groove is provided with a second connecting rod, the two ends of the second connecting rod are respectively provided with a grinding block and a limiting connecting plate, the outer wall of the second connecting rod is connected to a baffle, the outer wall of the second connecting rod is provided with a first spring, and the two sides of the first spring are respectively connected to the bottom of the baffle and the inner cavity of the lifting groove.

[0008] Preferably, an electromagnet is provided in the inner cavity of the positioning groove, the limiting connecting plate is located in the inner cavity of the positioning groove, and the end of the connecting head away from the circular gear cylinder is connected to an action block.

[0009] Preferably, the inner cavity of the clamp base is provided with a bidirectional screw, the outer side wall of the bidirectional screw is provided with a fifth gear, and the fifth gear is meshed with a circular gear cylinder.

[0010] Preferably, screw tubes are provided on both sides of the bidirectional screw, clamping blocks are provided on the outer wall of the screw tubes, elastic telescopic heads are evenly provided in the inner cavity of the clamping blocks, a mounting groove is bored in the inner cavity of the clamp base, a cylinder is provided in the inner cavity of the mounting groove, the power output end of the cylinder is connected to an action plate, a bearing is provided at the bottom of the action plate, the inner cavity of the bearing is connected to the fifth gear, a protrusion is provided in the inner cavity of the fifth gear, a groove is bored in the outer wall of the bidirectional screw, and the protrusion is adapted to the groove.

[0011] Preferably, L-shaped fixing plates are provided on the left and right sides of the clamp base, a second spring is provided on the outer wall of the L-shaped fixing plate, a second limit block is connected to one end of the second spring away from the L-shaped fixing plate, a clamp limit groove is opened on the top of the clamp base, and the clamping block is located in the clamp limit groove.

[0012] Preferably, a circular limiting groove is carved on the end of the second limiting block away from the second spring, a circular protrusion is provided on the outer wall of the spiral tube, the circular protrusion is adapted to the circular limiting groove, the clamp base is rotatably connected to the mounting seat, a circular hole is provided in the inner cavity of the clamp base, the circular gear cylinder is located in the circular hole, a fixing rod is provided in the inner cavity of the circular hole, and the fixing rod passes through the sliding groove and is fixedly connected to the first connecting rod.

[0013] Preferably, the inner cavity of the support frame is evenly provided with conveying rollers, the top of the support frame is provided with a laser cutting machine, the inner cavity of the conveying plate is excavated with a slide groove, the inner cavity of the support frame is provided with a limiting slide plate, and the limiting slide plate is located in the inner cavity of the slide groove.

[0014] Preferably, the bottom of the conveying plate is teeth, and conveying racks are provided on both sides of the conveying plate. A first servo motor is provided on the outer wall of the conveying rack. The power output end of the first servo motor passes through the conveying rack and is connected to a first gear, and the first gear matches the teeth.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention realizes the clamping, fixing and rotation of metal tubes of different sizes by arranging multiple groups of servo motors, and polishes and grinds the slag inside the metal tubes and the burrs on the cut ends.

[0017] 2. When the grinding block of the present invention is located in the inner cavity of the metal tube, it can be raised and lowered according to the size of the space in the tube under the rebound force of the first spring, thereby adapting to the interior of metal tubes of different sizes.

[0018] 3. The present invention uses a precise clamping and rotating system to ensure the stability and uniform stress of the metal tube during processing, thereby improving the processing quality of the product and reducing the scrap rate.

[0019] 4. The present invention is capable of adapting to metal pipes of different sizes and shapes by providing an elastic telescopic head, thereby enhancing the adaptability and flexibility of the equipment.

[0020] 5. The present invention enables the solenoid to be flush with the bidirectional screw through the action of the second spring, thereby preventing the solenoid from being stuck due to operational errors and improving the reliability and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] In the attached figure:

[0023] Figure 1 This is a schematic structural diagram of a metal pipe laser cutting device with positioning and cutting functions according to the present invention;

[0024] Figure 2 Schematic diagram of the structure of the first servo motor of the present invention;

[0025] Figure 3 Schematic diagram of the structure of the first rotating rod of the present invention;

[0026] Figure 4 Schematic diagram of the structure of the first connecting rod of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the clamping block of the present invention:

[0028] Figure 6 This is a schematic diagram of the structure of the circular gear cylinder of the present invention:

[0029] Figure 7 It is a structural schematic diagram of the sliding groove of the present invention;

[0030] Figure 8 For the present invention Figure 7 A magnified view of part A;

[0031] Figure 9 This is a schematic diagram of the structure of the conveying plate of the present invention;

[0032] Figure 10 For the present invention Figure 9 A magnified view of part B;

[0033] Figure 11 This is a schematic structural diagram of the mounting slot of the present invention;

[0034] Figure 12 It is a schematic diagram of the bidirectional screw structure of the present invention.

[0035] In the figure: 1, support frame; 11, conveyor roller; 12, laser cutting machine; 2, conveyor plate; 201, slide; 21, conveyor frame; 211, first servo motor; 212, first gear; 3, mounting seat; 31, mounting plate; 311, second servo motor; 3111, first rotating rod; 3112, first limiting block; 3113, worm; 312, third servo motor; 3121, second gear; 32, first connecting rod; 3201, third gear; 3202, limiting groove; 321, circular gear cylinder; 3211, sliding groove; 3212, sliding plate; 322, connector; 3221, lifting groove; 3222, positioning groove; 323, grinding block; 32 4. Second connecting rod; 325. Baffle; 326. First spring; 327. Limit connecting plate; 328. Electromagnet; 329. Action block; 33. Bracket; 331. Second rotating rod; 332. Turbine; 334. Fourth gear; 4. Clamp base; 401. Fixing rod; 402. Clamp limiting slide groove; 403. Mounting groove; 41. L-shaped fixing plate; 411. Second spring; 412. Second limiting block; 413. Circular limiting groove; 42. Bidirectional screw; 421. Fifth gear; 422. Bearing; 423. Action plate; 424. Cylinder; 425. Bump; 426. Groove; 43. Screw; 431. Clamping block; 432. Elastic telescopic head. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] The present invention aims to solve the problem in the background technology that in the traditional laser cutting process of metal pipes, the pipes usually need to be manually positioned and fixed before being cut by a laser cutting machine. This method has many shortcomings, such as inaccurate positioning, low cutting efficiency, high labor intensity and unstable cutting quality. These problems not only affect production efficiency, but also increase production costs. In particular, in terms of positioning and cutting precision control, traditional methods are difficult to meet the high standards of modern industrial production. In addition, these methods have high safety risks during operation. Figures 1-12A metal pipe laser cutting device with a positioning and cutting function is given, comprising a support frame 1, the inner cavity of the support frame 1 is slidably connected to a conveying plate 2, a mounting seat 3 is provided on the top of the conveying plate 2, a mounting plate 31 is provided on the top of the mounting seat 3, a second servo motor 311 and a third servo motor 312 are respectively fixed on both sides of the outer wall of the mounting plate 31 by bolts, the output end of the second servo motor 311 passes through the mounting plate 31 and is connected to a first rotating rod 3111, a first limiting block 3112 is provided on the top of the mounting seat 3, and the setting of the first limiting block 3112 facilitates the limiting of the first rotating rod 3111, and the first rotating rod 3111 is located at the first The inner cavity of the limit block 3112, the end of the first rotating rod 3111 away from the second servo motor 311 is connected to the worm 3113, the power output end of the third servo motor 312 passes through the mounting plate 31 and is connected to the second gear 3121, the outer wall of the mounting plate 31 is rotatably connected to the first connecting rod 32, the outer wall of the first connecting rod 32 is slidably provided with a circular gear cylinder 321, the outer wall of the mounting seat 3 is provided with a bracket 33, the inner cavity of the bracket 33 is rotatably connected to the second rotating rod 331, and the two sides of the second rotating rod 331 are respectively fixed with a turbine 332 and a fourth gear 334, the turbine 332 is meshed with the worm 3113, and the fourth gear 334 is meshed with the circular gear The cylinder 321 is meshed with each other, and a clamp base 4 is provided on the top of the mounting seat 3. The outer wall of the mounting plate 31 is rotatably connected to the third gear 3201. The end of the third gear 3201 away from the mounting plate 31 is fixedly connected to the outer wall of the first connecting rod 32. The inner cavity of the first connecting rod 32 is drilled with a limiting groove 3202. The upper and lower sides of the circular gear cylinder 321 are drilled with sliding grooves 3211. The inner cavity of the circular gear cylinder 321 is provided with a sliding plate 3212. The sliding plate 3212 matches the limiting groove 3202. The end of the circular gear cylinder 321 away from the third gear 3201 is connected to the connector 322. The inner cavity of the connector 322 is evenly drilled with lifting grooves 322. 1. A positioning groove 3222 is excavated in the inner cavity of the connecting head 322, and a second connecting rod 324 is provided in the inner cavity of the lifting groove 3221. A grinding block 323 and a limiting connecting plate 327 are respectively provided at both ends of the second connecting rod 324. A baffle 325 is connected to the outer wall of the second connecting rod 324. A first spring 326 is provided on the outer wall of the second connecting rod 324. Both sides of the first spring 326 are respectively connected to the bottom of the baffle 325 and the inner cavity of the lifting groove 3221. An electromagnet 328 is provided in the inner cavity of the positioning groove 3222. The limiting connecting plate 327 is located in the inner cavity of the positioning groove 3222. An action block 329 is connected to the end of the connecting head 322 away from the circular gear cylinder 321.

[0038] When in use, the second servo motor 311 is started, and the second servo motor 311 drives the first rotating rod 3111 to rotate during the rotation. The first rotating rod 3111 drives the worm 3113 to rotate during the rotation. The worm 3113 drives the turbine 332 to rotate during the rotation. The turbine 332 drives the second rotating rod 331 to rotate during the rotation. The second rotating rod 331 drives the fourth gear 334 to rotate during the rotation. The fourth gear 334 drives the circular gear cylinder 321 to move back and forth during the rotation. When the circular gear cylinder 321 moves back and forth, it drives the fifth gear 421 to rotate. The rotation of the fifth gear 421 drives the two sets of solenoids 43 to open and close, thereby clamping the metal pipe. By starting the third servo motor 312 to rotate, the third servo motor 312 drives the second gear 3121 to rotate during the rotation. The second gear 3121 rotates. When the third gear 3201 is rotated, the third gear 3201 drives the first connecting rod 32 to rotate during the rotation. During the rotation of the first connecting rod 32, the clamp base 4 is driven to rotate, thereby driving the metal tube to rotate. The sliding plate 3212 set inside the circular gear cylinder 321 is convenient for fixing the rear side of the circular gear cylinder 321. The sliding groove 3211 is convenient for the fixing rod 401 to slide in the sliding groove 3211. The circular gear cylinder 321 is convenient for fixing by the connection head 322. The lifting groove 3221 is a convex shape. When the electromagnet 328 is energized, the multiple sets of limit connecting plates 327 are adsorbed, so that the multiple sets of limit connecting plates 327 move toward the inner cavity of the connection head 322. When the electromagnet 328 is de-energized, no magnetic force is generated. Under the rebound force of the first spring 326, the multiple sets of second connecting rods 324 move toward the outer wall of the connection head 322.

[0039] Furthermore, the inner cavity of the clamp base 4 is provided with a bidirectional screw 42, and the outer side wall of the bidirectional screw 42 is slidably provided with a fifth gear 421, the fifth gear 421 is meshed with the circular gear cylinder 321, and screw tubes 43 are screwed on both sides of the bidirectional screw 42, and the outer side wall of the screw tube 43 is provided with a clamping block 431, and the inner cavity of the clamping block 431 is uniformly elastically provided with an elastic telescopic head 432, and the inner cavity of the clamp base 4 is provided with a mounting groove 403, and the inner cavity of the mounting groove 403 is provided with a cylinder 424 through a bolt, and the power output end of the cylinder 424 is connected to the action plate 423, and the bottom of the action plate 423 is provided with a bearing 422, and the inner cavity of the bearing 422 is connected to the fifth gear 421, and the inner cavity of the fifth gear 421 is provided with a convex block 425, and the outer side wall of the bidirectional screw 42 is provided with a groove 426, and the convex block 425 is connected to the groove The groove 426 is adapted, and an L-shaped fixing plate 41 is provided on the left and right sides of the clamp base 4. The outer wall of the L-shaped fixing plate 41 is fixedly provided with a second spring 411, and the second spring 411 is connected to the second limiting block 412 at one end away from the L-shaped fixing plate 41. A circular limiting groove 413 is chiseled out at the end of the second limiting block 412 away from the second spring 411, and a circular protrusion is provided on the outer wall of the screw tube 43, and the circular protrusion is adapted to the circular limiting groove 413. The clamp base 4 is rotatably connected to the mounting seat 3, and a circular hole is provided in the inner cavity of the clamp base 4, and the circular gear cylinder 321 is located in the circular hole. A fixing rod 401 is provided in the inner cavity of the circular hole, and the fixing rod 401 passes through the sliding groove 3211 and is fixedly connected to the first connecting rod 32. A clamp limiting slide groove 402 is chiseled out on the top of the clamp base 4, and the clamping block 431 is located in the clamp limiting slide groove 402;

[0040] When in use, by starting the cylinder 424, the power output end of the cylinder 424 pushes the action plate 423 to move, and the action plate 423 pushes the bearing 422 to move, and the bearing 422 pushes the fifth gear 421 to move. The fifth gear 421 stops when it does not mesh with the circular gear cylinder 321 during the movement, and by starting the second servo motor 311 and the third servo motor 312 to work simultaneously, the polishing block 323 is driven to move to polish the inside of the metal tube. When the bidirectional screw 42 drives the screw tube 43 to rotate outward, the screw tube 43 is completely disengaged from the bidirectional screw 42, the screw tube 43 will be located in the circular limiting groove 413, thereby limiting the position of the screw tube 43. Under the action of the second spring 411, the screw mouth of the screw tube 43 is always flush with the bidirectional screw 42 to prevent the screw tube 43 from getting stuck due to operational errors of the staff. The setting of the elastic telescopic head 432 is convenient for clamping metal tubes of different sizes and shapes.

[0041] Furthermore, the inner cavity of the support frame 1 is evenly provided with conveying rollers 11, the top of the support frame 1 is provided with a laser cutting machine 12, the inner cavity of the conveying plate 2 is excavated with a slide groove 201, and the inner cavity of the support frame 1 is provided with a limiting slide, which is located in the inner cavity of the slide groove 201.

[0042] During specific use, the position of the conveying plate 2 can be fixed conveniently by setting the limiting chute plate and the chute 201 .

[0043] Furthermore, the bottom of the conveying plate 2 is a tooth, and a conveying frame 21 is provided on both sides of the conveying plate 2. The outer wall of the conveying frame 21 is provided with a first servo motor 211. The power output end of the first servo motor 211 passes through the conveying frame 21 and is connected to a first gear 212. The first gear 212 matches the tooth.

[0044] During specific use, when the metal pipe is transported to the corresponding position through the conveying roller 11, it is clamped by the clamp, and then the first servo motor 211 is started to drive the first gear 212 to rotate. During the rotation process, the first gear 212 drives the conveying plate 2 to move forward and backward.

[0045] Working principle: When the metal pipe is transported to the corresponding position through the conveying roller 11, it is clamped by the clamp, and then the first servo motor 211 is started to drive the first gear 212 to rotate. During the rotation, the first gear 212 drives the conveying plate 2 to move back and forth. The second servo motor 311 is started. During the rotation, the second servo motor 311 drives the first rotating rod 3111 to rotate. During the rotation, the first rotating rod 3111 drives the worm 3113 to rotate. During the rotation, the worm 3113 drives the turbine 332 to rotate. During the rotation, the turbine 332 drives the second rotating rod 331 to rotate. During the rotation, the second rotating rod 331 drives the fourth gear 334 to rotate. The fourth gear 334 is rotated. During the rotation, the circular gear cylinder 321 is driven to move forward and backward. When the circular gear cylinder 321 moves forward and backward, it drives the fifth gear 421 to rotate. The rotation of the fifth gear 421 drives the two sets of spiral tubes 43 to open and close, thereby clamping the metal tube. By starting the third servo motor 312 to rotate, the third servo motor 312 drives the second gear 3121 to rotate during the rotation. The second gear 3121 drives the third gear 3201 to rotate during the rotation. The third gear 3201 drives the first connecting rod 32 to rotate during the rotation. The first connecting rod 32 drives the clamp base 4 to rotate during the rotation, thereby driving the metal tube to rotate. The circular gear cylinder 321 is internally provided with The setting of the sliding plate 3212 is convenient for fixing the rear side of the circular gear cylinder 321. The setting of the sliding groove 3211 makes it convenient for the fixing rod 401 to slide in the sliding groove 3211. The setting of the connecting head 322 makes it convenient to fix the circular gear cylinder 321. The lifting groove 3221 is a convex shape. When the electromagnet 328 is energized, the multiple groups of limit connecting plates 327 are adsorbed, so that the multiple groups of limit connecting plates 327 move toward the inner cavity of the connecting head 322. When the electromagnet 328 is powered off, no magnetic force is generated. Under the rebound force of the first spring 326, the multiple groups of second connecting rods 324 move toward the outer side wall of the connecting head 322. By starting the cylinder 424, the power output end of the cylinder 424 pushes the action plate 423 to move When the second gear 421 is not in mesh with the circular gear cylinder 321 during the movement, the polishing block 323 is driven to move and polish the inside of the metal tube. When the bidirectional screw 42 drives the screw tube 43 to rotate outward, the screw tube 43 is completely separated from the bidirectional screw 42, and the screw tube 43 is located in the circular limiting groove 413, thereby limiting the position of the screw tube 43. Under the action of the second spring 411, the screw mouth of the screw tube 43 is always flush with the bidirectional screw 42 to prevent the screw tube 43 from being stuck due to operating errors of the staff.The arrangement of the elastic expansion head 432 facilitates clamping of metal tubes of different sizes and shapes.

Claims

1. A metal pipe laser cutting device with a positioning cutting function, comprising a support frame (1), an inner cavity of the support frame (1) being slidably connected to a conveying plate (2), a top of the conveying plate (2) being provided with a mounting seat (3), a top of the mounting seat (3) being provided with a mounting plate (31), a second servo motor (311) and a third servo motor (312) being provided on both sides of an outer wall of the mounting plate (31), an output end of the second servo motor (311) passing through the mounting plate (31) and connected to a first rotating rod (3111), a top of the mounting seat (3) being provided with a first limiting block (3112), the first rotating rod (3111) being located in the inner cavity of the first limiting block (3112), the first rotating rod (3111) being provided with a plurality of movable parts, and the movable parts being provided with a plurality of movable parts. 1) A worm (3113) is connected to one end away from the second servo motor (311), a power output end of the third servo motor (312) passes through the mounting plate (31) and is connected to the second gear (3121), the outer wall of the mounting plate (31) is rotatably connected to the first connecting rod (32), the outer wall of the first connecting rod (32) is slidably provided with a circular gear cylinder (321), the outer wall of the mounting seat (3) is provided with a bracket (33), the inner cavity of the bracket (33) is rotatably connected to the second rotating rod (331), the two sides of the second rotating rod (331) are respectively provided with a turbine (332) and a fourth gear (334), the turbine (332) is meshed with the worm (3113), the fourth gear (334) The mounting base (3) is provided with a fixture base (4) on the top of the mounting seat (3), and the outer wall of the mounting plate (31) is rotatably connected to the third gear (3201). The end of the third gear (3201) away from the mounting plate (31) is fixedly connected to the outer wall of the first connecting rod (32). The inner cavity of the first connecting rod (32) is provided with a limiting groove (3202). The upper and lower sides of the circular gear cylinder (321) are provided with sliding grooves (3211). The inner cavity of the circular gear cylinder (321) is provided with a sliding plate (3212). The sliding plate (3212) matches the limiting groove (3202). The end of the circular gear cylinder (321) away from the third gear (3201) is connected to the connecting rod (32). The connecting head (322) is provided with a lifting groove (3221) evenly cut in the inner cavity of the connecting head (322), a positioning groove (3222) is cut in the inner cavity of the connecting head (322), a second connecting rod (324) is provided in the inner cavity of the lifting groove (3221), a grinding block (323) and a limiting connecting plate (327) are provided at both ends of the second connecting rod (324), the outer wall of the second connecting rod (324) is connected to a baffle (325), the outer wall of the second connecting rod (324) is provided with a first spring (326), the two sides of the first spring (326) are respectively connected to the bottom of the baffle (325) and the inner cavity of the lifting groove (3221), the inner cavity of the clamp base (4) is provided with a bidirectional screw (42),The outer wall of the bidirectional screw (42) is provided with a fifth gear (421), and the fifth gear (421) is meshed with the circular gear cylinder (321). Both sides of the bidirectional screw (42) are provided with a screw tube (43), and the outer wall of the screw tube (43) is provided with a clamping block (431). The inner cavity of the clamping block (431) is evenly provided with elastic expansion heads (432). The inner cavity of the clamp base (4) is excavated with a mounting groove (403), and the mounting groove (403 ) is provided with a cylinder (424) in its inner cavity, the power output end of the cylinder (424) is connected to an action plate (423), a bearing (422) is provided at the bottom of the action plate (423), the inner cavity of the bearing (422) is connected to the fifth gear (421), the inner cavity of the fifth gear (421) is provided with a protrusion (425), the outer wall of the bidirectional screw (42) is cut with a groove (426), and the protrusion (425) is adapted to fit the groove (426).

2. The metal pipe laser cutting device with positioning cutting function according to claim 1, characterized in that: An electromagnet (328) is provided in the inner cavity of the positioning groove (3222), the limiting connecting plate (327) is located in the inner cavity of the positioning groove (3222), and an end of the connecting head (322) away from the circular gear cylinder (321) is connected to an action block (329).

3. The metal pipe laser cutting device with positioning cutting function according to claim 1, characterized in that: An L-shaped fixing plate (41) is provided on both the left and right sides of the clamp base (4), a second spring (411) is provided on the outer wall of the L-shaped fixing plate (41), and a second limiting block (412) is connected to one end of the second spring (411) away from the L-shaped fixing plate (41), a clamp limiting groove (402) is cut on the top of the clamp base (4), and the clamping block (431) is located in the clamp limiting groove (402).

4. The metal pipe laser cutting device with positioning cutting function according to claim 3, characterized in that: A circular limiting groove (413) is formed at one end of the second limiting block (412) away from the second spring (411), and a circular protrusion is provided on the outer wall of the screw tube (43), and the circular protrusion is adapted to the circular limiting groove (413). The clamp base (4) is rotatably connected to the mounting seat (3), and a circular hole is provided in the inner cavity of the clamp base (4), and the circular gear cylinder (321) is located in the circular hole. A fixing rod (401) is provided in the inner cavity of the circular hole, and the fixing rod (401) passes through the sliding groove (3211) and is fixedly connected to the first connecting rod (32).

5. The metal pipe laser cutting device with positioning cutting function according to claim 1, characterized in that: The inner cavity of the support frame (1) is evenly provided with conveying rollers (11), the top of the support frame (1) is provided with a laser cutting machine (12), the inner cavity of the conveying plate (2) is excavated with a chute (201), and the inner cavity of the support frame (1) is provided with a limiting slide, and the limiting slide is located in the inner cavity of the chute (201).

6. The metal pipe laser cutting device with positioning cutting function according to claim 1, characterized in that: The bottom of the conveying plate (2) is provided with teeth, and conveying racks (21) are provided on both sides of the conveying plate (2). A first servo motor (211) is provided on the outer wall of the conveying rack (21), and a power output end of the first servo motor (211) passes through the conveying rack (21) and is connected to a first gear (212), and the first gear (212) matches the teeth.

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