CN117047309A

CN117047309A - Laser cutting equipment

Info

Publication number: CN117047309A
Application number: CN202311128858.1A
Authority: CN
Inventors: 刘斌; 张广法; 邓洪刚
Original assignee: Shandong Xinwode Intelligent Equipment Co ltd
Current assignee: Shandong Xinwode Intelligent Equipment Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2023-11-14

Abstract

The invention relates to the technical field of laser cutting, in particular to laser cutting equipment which comprises a base, a fixed clamping unit, a movable clamping unit, a round tube, a first cutting moving unit, a second cutting moving unit, a third cutting moving unit, a laser cutting unit and a flexible sucker control unit. When the existing laser groove cutting machine is used for continuously cutting grooves of large-sized long metal pipe fittings, errors exist in coaxial positioning of the large-sized long metal pipe fittings, and the problems that waste cut groove pieces fall into the pipe fittings and groove piece cutting positions deform can also exist. The fixed clamping unit and the movable clamping unit are matched, so that the coaxial positioning error of the pipe fitting can be reduced, deformation generated during coaxial positioning laser cutting of the large-sized long metal pipe fitting is avoided, the groove cutting piece can be adsorbed by the flexible sucker control unit, and the problems that the groove cutting waste piece falls into the pipe fitting and the groove piece is deformed in position are avoided.

Description

Laser cutting equipment

Technical Field

The invention relates to the technical field of laser cutting, in particular to laser cutting equipment.

Background

The laser groove cutting machine is an advanced cutting device based on a laser technology, is mainly used for groove cutting and welding preparation work of metal materials, adopts laser beams to cut a workpiece with high precision, and can realize various complex groove shapes and fine cutting processing. The laser groove cutting machine can cut grooves with various shapes and angles, can finish groove cutting tasks in a short time, improves production efficiency, can realize automatic operation, reduces manual intervention and human error, is suitable for groove cutting of various metal materials, and has the advantages of safety, reliability, environmental protection and energy conservation. The laser groove cutting machine provides an advanced solution for groove cutting and welding preparation work through high precision, high efficiency and flexibility, and has wide application prospect.

The existing laser groove cutting machine can avoid the problems that the traditional groove cutting mode is highly dependent on manual work, the groove cutting efficiency is low, the machining precision is low, noise, dust and the like are caused. However, when the existing laser groove cutting machine is used for continuously cutting grooves of large-sized long metal pipe fittings, errors exist in coaxial positioning of the large-sized long metal pipe fittings, and the problems that waste cut groove pieces fall into the pipe fittings and deformation easily occurs at grooves are likely to exist.

Disclosure of Invention

The technical problem to be solved is that the laser cutting equipment provided by the invention can solve the above-mentioned problems.

In order to achieve the above purpose, the laser cutting device comprises a base, wherein the middle part of the upper end of the base is provided with fixed clamping units at the left side and the right side, the middle part of the upper end of the base is provided with a movable clamping unit, the fixed clamping unit and the movable clamping unit jointly clamp a round tube, the front end and the rear end of the base are jointly provided with a first cutting moving unit, the upper end of the first cutting moving unit is provided with a second cutting moving unit, the left end of the second cutting moving unit is provided with a third cutting moving unit, the left end of the third cutting moving unit is provided with a laser cutting unit, and the front side and the rear side of the upper end of the first cutting moving unit are provided with flexible sucker control units.

The cutting mobile unit comprises racks which are arranged at the front end and the rear end of a base, sliding rails are arranged at the front end and the rear end of the upper end of the base, a concave-shaped sliding block is arranged at the upper end of the sliding rail in a sliding mode, a rectangular supporting plate is arranged in the middle of the upper end of the concave-shaped sliding block, one end, close to the racks, of the upper end of the concave-shaped sliding block is provided with a second rectangular supporting plate together with one end, close to the racks, of the first rectangular supporting plate, a gear meshed with the racks is arranged below the second rectangular supporting plate in a rotating mode, a motor is arranged at the position, corresponding to the gear, of the second rectangular supporting plate, an output shaft of the motor is fixedly connected to the gear, a third rectangular supporting plate is arranged at the upper end of the first rectangular supporting plate, and a motor fixing block, corresponding to the third rectangular supporting plate, of the second rectangular supporting plate is fixedly connected to the first rectangular supporting plate.

As a preferable technical scheme of the invention, the flexible sucker control unit comprises a second motor which is arranged on the front side and the rear side of the upper end of a third rectangular supporting plate, an output shaft of the second motor is fixedly connected with the lower end of a first screw, the upper side of the first screw is connected with a rectangular screw sleeve through threads, the upper ends of the rectangular screw sleeves which are positioned on the front side and the rear side are jointly provided with a first rectangular connecting plate, an air sucking pump is arranged in the middle of the first rectangular connecting plate, the left end of the air sucking pump is communicated with an inverted L-shaped air sucking pipeline, the lower end of the inverted L-shaped air sucking pipeline is slidably provided with an annular sleeve, the upper end of the annular sleeve is sleeved with a first annular fixing block, a buffer spring is arranged between the first annular fixing block and the annular sleeve, the lower end of the annular sleeve is fixedly provided with a high-melting-point arc-shaped rubber sucker which can be attached to a round pipe, the left end of the motor fixing block is close to the first rectangular supporting plate, the front end and the rear end of the annular sleeve are respectively provided with a first L-shaped connecting rod which is slidably connected with the first rectangular sliding groove, the position of the inverted L-shaped air sucking pipeline corresponds to the rectangular sleeve, and the second annular fixing block is fixedly arranged on the front end of the second annular fixing block and the front end and rear end of the second annular fixing block is fixedly connected with the second rectangular connecting rod.

As a preferable technical scheme of the invention, the fixed clamping unit comprises two pneumatic double-thread hollow four-jaw chucks which are oppositely arranged on the left side and the right side above the base, an air pipe is communicated in the middle of the rear end of each pneumatic double-thread Cheng Zhongkong four-jaw chuck, a chuck supporting seat which is fixedly connected with the base is arranged at the lower end of each pneumatic double-thread hollow four-jaw chuck, each pneumatic double-thread Cheng Zhongkong four-jaw chuck jaw is an arc-shaped jaw which can be attached to a round pipe, and an arc-shaped rubber gasket is arranged on the clamping surface of each arc-shaped jaw.

As a preferable technical scheme of the invention, the movable clamping unit comprises a second screw rod which is arranged at the bottom side of a chuck supporting seat at the left side and the right side in a co-rotating way, a third motor is arranged at the left side of the chuck supporting seat corresponding to the second screw rod, an output shaft of the third motor is fixedly connected with the second screw rod, the third motor is fixedly connected with a base through a motor supporting seat, two rectangular sliding grooves are formed at the upper end of the base on the front side and the rear side of the second screw rod, two concave sliding blocks are connected at the middle part of the second screw rod through threads, the second concave sliding blocks are simultaneously and slidably connected with the two rectangular sliding grooves, a bearing supporting seat with a locking opening is sleeved at the position of a circular tube corresponding to the second concave sliding blocks, a screw rod is fixedly connected at the lower end of the bearing supporting seat with the locking opening, a micro motor is fixedly connected with the middle part of a locking piece with the screw rod through threads, the output shaft of the micro motor is fixedly connected with the screw rod, and the micro motor is fixedly connected with the second concave sliding blocks through the supporting seat.

As a preferable technical scheme of the invention, the second cutting mobile unit comprises a second slide rail which is bilaterally symmetrically arranged at the upper end of a third rectangular support plate, a third concave-shaped slide block is slidably arranged at the upper end of the second slide rail, a second rectangular connecting plate of which the left end extends out of the third rectangular support plate is commonly arranged at the upper ends of the two third concave-shaped slide blocks, a square screw sleeve is arranged between the two third concave-shaped slide blocks at the upper end of the second rectangular connecting plate, a third screw is connected inside the square screw sleeve through threads, rectangular bearing seats fixedly arranged on the third rectangular support plate are rotatably connected at the front end and the rear end of the third screw, and the rear end of the third screw is fixedly connected with a fourth motor output shaft fixedly arranged on the third rectangular support plate.

As a preferable technical scheme of the invention, the third cutting mobile unit comprises a third rectangular connecting plate, wherein the upper end of the third rectangular connecting plate corresponds to the second rectangular connecting plate, a rectangular supporting block is arranged at the left end of the third rectangular connecting plate and the left end of the second rectangular connecting plate together, a third rectangular sliding groove is formed at the left end of the rectangular supporting block, a fourth screw is rotatably arranged in the third rectangular sliding groove, a fifth motor is arranged at the upper end of the rectangular supporting block, the position, corresponding to the fourth screw, of the fourth screw, the fifth motor is fixedly connected with the rectangular supporting block through a motor supporting seat, an output shaft of the fifth motor is fixedly connected with the fourth screw, and a convex sliding block is connected at the middle part of the fourth screw through threads.

As a preferable technical scheme of the invention, the laser cutting unit comprises a laser generator arranged at the left end of the convex-shaped sliding block, a servo motor is arranged at the upper end of the laser generator, and a cutting head is arranged at the lower end of the laser generator.

The four-point positioning coaxial supporting mechanism has the beneficial effects that 1. The fixed clamping unit and the movable clamping unit adopted by the laser cutting equipment are matched to form the four-point positioning coaxial supporting mechanism, so that the four-point positioning coaxial supporting mechanism can move along with the laser cutting head and lock and support the left side and the right side of a cutting part when the large-sized long metal pipe fitting is subjected to laser cutting groove, the coaxial positioning error of the large-sized long metal pipe fitting is reduced, and the deformation generated during the coaxial positioning laser cutting of the large-sized long metal pipe fitting is avoided.

2. According to the first cutting moving unit, the second cutting moving unit and the third cutting moving unit adopted by the laser cutting equipment, the laser cutting head can be controlled to change the moving track along the XYZ axis direction, grooves with different sizes and shapes can be cut, groove continuous cutting operation can be carried out on large-sized long metal pipes, labor is not needed, groove cutting efficiency is high, high machining precision can be guaranteed, and the groove continuous cutting equipment is more convenient.

3. According to the flexible sucker control unit adopted by the laser cutting equipment, when the large long metal pipe fitting is subjected to laser cutting groove, the buffer spring can compensate the overlong strokes of the operating system and workpieces with different heights, so that the high-melting-point arc-shaped rubber sucker is gently placed on the pipe fitting, and can absorb the groove cutting piece, and the problems that the groove cutting waste piece falls into the pipe fitting and the groove cutting part is damaged by the gravity of the groove cutting piece are avoided.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a cross-sectional view (from front to back) of fig. 2 of the present invention.

Fig. 5 is a cross-sectional view (from left to right) of fig. 3 of the present invention.

Fig. 6 is a schematic perspective view of the fixing and clamping unit of the present invention.

Fig. 7 is a schematic perspective view of the mobile clamping unit of the present invention.

Fig. 8 is a schematic perspective view of a first cutting mobile unit according to the present invention.

Fig. 9 is a schematic perspective view of a cutting mobile unit No. two according to the present invention.

Fig. 10 is a schematic perspective view of a third cutting mobile unit according to the present invention.

Figure 11 is a schematic perspective view of a flexible suction cup control unit of the present invention.

In the figure: 1. a base; 2. a fixed clamping unit; 3. a moving clamping unit; 4. a round tube; 5. a first cutting mobile unit; 6. a second cutting mobile unit; 7. a third cutting mobile unit; 8. a laser cutting unit; 9. a flexible sucker control unit.

21. Pneumatic double-wire Cheng Zhongkong four-jaw chuck; 22. an air pipe; 23. a chuck support base; 24. arc-shaped clamping jaws; 25. an arc-shaped rubber gasket.

31. A second lead screw; 32. a third motor; 33. a second rectangular chute; 34. a second concave-shaped sliding block; 35. a linear shaft sleeve with a locking opening; 36. a bearing support; 37. a screw; 38. a miniature motor.

51. A rack; 52. a first slide rail; 53. a first concave-shaped sliding block; 54. a first rectangular supporting plate; 55. a second rectangular support plate; 56. a gear; 57. a motor I; 58. a third rectangular support plate; 59. and a motor fixing block.

61. A second slide rail; 62. a third concave-shaped sliding block; 63. a second rectangular connecting plate; 64. square screw sleeve; 65. a third screw rod; 66. rectangular bearing seat; 67. and a fourth motor.

71. A third rectangular connecting plate; 72. a rectangular support block; 73. a third rectangular chute; 74. a fourth screw rod; 75. a fifth motor; 76. a convex-shaped sliding block.

81. A laser generator; 82. a servo motor; 83. a cutting head.

91. A motor II; 92. a first lead screw; 93. a rectangular screw sleeve; 94. a first rectangular connecting plate; 95. an air extracting pump; 96. an inverted L-shaped air extraction pipeline; 97. an annular sealing sleeve; 98. a first annular fixed block; 99. a buffer spring; 100. high-melting-point arc-shaped rubber suction disc; 101. a first rectangular chute; 102. a first L-shaped connecting rod; 103. a second annular fixed block; 104. and a second L-shaped connecting rod.

Detailed Description

Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.

Referring to fig. 1, a laser cutting device comprises a base 1, a fixed clamping unit 2 is arranged at the left side and the right side of the middle part of the upper end of the base 1, a movable clamping unit 3 is arranged at the middle part of the fixed clamping unit 2 at the upper end of the base 1, a round tube 4 is clamped between the fixed clamping unit 2 and the movable clamping unit 3, a first cutting moving unit 5 is arranged at the front end and the rear end of the base 1, a second cutting moving unit 6 is arranged at the upper end of the first cutting moving unit 5, a third cutting moving unit 7 is arranged at the left end of the second cutting moving unit 6, a laser cutting unit 8 is arranged at the left end of the third cutting moving unit 7, and flexible sucker control units 9 are arranged at the front side and the rear side of the upper end of the first cutting moving unit 5.

Referring to fig. 1-4 and fig. 6, the fixed clamping unit 2 includes two pneumatic double-threaded hollow four-jaw chucks 21 disposed opposite to each other on the left and right sides above the base 1, a chuck support seat 23 fixedly connected to the base 1 is disposed at the lower end of the pneumatic double-threaded hollow four-jaw chucks 21, the jaws of the pneumatic double-wire Cheng Zhongkong four-jaw chucks 21 are arc-shaped jaws 24 capable of being attached to the round tube 4, and an arc-shaped rubber gasket 25 is disposed on the clamping surface of the arc-shaped jaws 24.

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 7, the movable clamping unit 3 includes a second screw rod 31 disposed on the left and right sides and rotated by the bottom side of the chuck support seat 23, a third motor 32 disposed on the left side of the chuck support seat 23 and corresponding to the position of the screw rod, an output shaft of the third motor 32 is fixedly connected to the screw rod, the third motor 32 is fixedly connected to the base 1 through the motor support seat, two rectangular sliding grooves 33 are disposed on the front and rear sides of the second screw rod 31 at the upper end of the base 1, two rectangular sliding blocks 34 with a certain distance are disposed in the middle of the second screw rod 31 through threads, the second rectangular sliding blocks 34 are simultaneously and slidably connected to the two rectangular sliding grooves 33, a bearing support seat 36 with a locking opening is disposed on the sliding sleeve at the position of the circular tube 4 and corresponding to the second rectangular sliding blocks 34, a screw rod 37 is fixedly connected to the lower end of the bearing support seat 36 with the locking opening linear sleeve 35, a micro motor 38 is disposed in front of the screw rod 37, and the micro motor 38 is fixedly connected to the micro screw rod 38 through the micro motor support seat 37.

Referring to fig. 1-7, during specific operation, firstly, the large-scale long metal pipe fitting to be continuously cut and grooved is pushed into two linear sleeves 35 with locking openings at the middle part and two pneumatic double-thread hollow four-jaw chucks 21 at the left side by external equipment, the pneumatic double-thread hollow four-jaw chucks 21 at the left side are communicated with the air pipes 22 at the rear ends of the pneumatic double-thread hollow four-jaw chucks 21 at the right side through external air pumps, the arc-shaped rubber gaskets 25 are driven by the arc-shaped clamping jaws 24 to clamp the large-scale long metal pipe fitting, the motor No. three 32 is started, the motor No. three 32 drives the lead screw 31 to positively and negatively rotate, the lead screw 31 No. two concave-shaped sliding blocks 34 slide left and right in the rectangular sliding grooves No. two 33, the concave-shaped sliding blocks No. two 34 drive the linear sleeves 35 with locking openings to do left and right motions through the bearing supporting seat 36, when the two linear sleeves 35 with locking openings respectively move to the left side and the right side of a position to be cut, the micro motor 38 is started, the micro motor 38 drives the screw 37 to positively rotate, the screw rod 3 drives the screw rod 37 to control the linear sleeves to drive the arc-shaped rubber gaskets 25 to clamp the large-scale long metal pipe fitting, and the large-shaped pipe fitting is coaxially aligned with the large-shaped metal pipe fitting to be cut and grooved, and the large-shaped metal pipe fitting is cut, and the large-fitting is deformed, and the large-shaped and the large-groove metal pipe fitting is cut and the large-shaped and the metal pipe fitting is cut, and the metal pipe fitting is cut and the pipe fitting is cut, and the pipe fitting is cut and the tubular.

Referring to fig. 1-3, fig. 5 and fig. 8, the first cutting mobile unit 5 includes a rack 51 disposed at front and rear ends of the base 1, a first sliding rail 52 is disposed at front and rear sides of an upper end of the base 1, a first concave slider 53 is slidably disposed at an upper end of the first sliding rail 52, a first rectangular support plate 54 is disposed in a middle portion of an upper end of the first concave slider 53, a second rectangular support plate 55 is disposed at an end of the upper end of the first concave slider 53, which is close to the rack 51, and an end of the first rectangular support plate 54, which is close to the rack 51, is jointly disposed at an end of the first rectangular support plate 54, a gear 56 engaged with the rack 51 is rotatably disposed below the second rectangular support plate 55, a first motor 57 is disposed at a position of the second rectangular support plate 55, which corresponds to the gear 56, an output shaft of the first motor 57 is fixedly connected to the gear 56, a third rectangular support plate 58 is jointly disposed at an upper end of the first rectangular support plate 54, which corresponds to the first motor 57, and a motor fixing block 59 fixedly connected to the first rectangular support plate 54 is disposed at a lower end of the third rectangular support plate 58.

Referring to fig. 1-3, 5 and 8, in specific operation, the first motor 57 is started, the first motor 57 drives the gear 56 to rotate, the gear 56 is driven to reciprocate left and right along the rack 51 by the meshing transmission of the gear 56 and the rack 51, the gear 56 drives the second rectangular support plate 55 and the motor fixing block 59 to reciprocate left and right, the second rectangular support plate 55 drives the first concave slider 53 to reciprocate left and right at the upper end of the first sliding rail 52, the first concave slider 53 drives the motor fixing block 59 and the third rectangular support plate 58 to reciprocate left and right through the first rectangular support plate 54, the first motor 57 is turned off when the first concave slider 53 slides to the rightmost side, and the first motor 57 can drive the third rectangular support plate 58 to reciprocate left and right through the cooperation of the gear 56, the rack 51 and the first sliding rail 52 and the first concave slider 53.

Referring to fig. 1, 3, 5 and 9, the second cutting moving unit 6 includes two second slide rails 61 symmetrically mounted on the upper end of the third rectangular support plate 58, a third concave slider 62 is slidably disposed on the upper end of the second slide rail 61, two second rectangular connection plates 63 with left ends extending out of the third rectangular support plate 58 are jointly disposed on the upper ends of the two third concave sliders 62, a square screw sleeve 64 is disposed between the two third concave sliders 62 on the upper ends of the second rectangular connection plates 63, a third screw 65 is connected inside the square screw sleeve 64 through threads, rectangular bearing seats 66 fixedly mounted on the third rectangular support plate 58 are rotatably connected to the front end and the rear end of the third screw 65, and output shafts of fourth motors 67 fixedly mounted on the third rectangular support plate 58 are fixedly connected to the rear end of the third screw 65.

Referring to fig. 1, 4 and 10, the third cutting moving unit 7 includes a third rectangular connecting plate 71 disposed at an upper end of the square screw sleeve 64 and corresponding to the second rectangular connecting plate 63, a rectangular supporting block 72 is disposed at a left end of the third rectangular connecting plate 71 and a left end of the second rectangular connecting plate 63, a third rectangular sliding groove 73 is disposed at a left end of the rectangular supporting block 72, a fourth screw 74 is disposed in the third rectangular sliding groove 73 in a rotating manner, a fifth motor 75 is disposed at an upper end of the rectangular supporting block 72 and corresponding to the fourth screw 74, the fifth motor 75 is fixedly connected to the rectangular supporting block 72 through a motor supporting seat, an output shaft of the fifth motor 75 is fixedly connected to the fourth screw 74, and a convex slider 76 is disposed in a middle of the fourth screw 74 through a threaded connection.

Referring to fig. 1 and 3, the laser cutting unit 8 includes a laser generator 81 disposed at the left end of the zigzag slider 76, a servo motor 82 is disposed at the upper end of the laser generator 81, and a cutting head 83 is disposed at the lower end of the laser generator 81.

Referring to fig. 1-5 and 8-10, in specific operation, the motor 67 is started, the motor 67 drives the screw 65 to rotate forward and backward, under the action of the two concave sliders 62 and the rectangular connecting plate 63, the screw 65 drives the square screw sleeve 64 to reciprocate forward and backward, the square screw sleeve 64 drives the two concave sliders 62 to reciprocate forward and backward on the upper end of the slide rail 61 through the rectangular connecting plate 63, the square screw sleeve 64 and the concave sliders 62 together drive the rectangular connecting plate 71 and the rectangular connecting plate 63 to reciprocate forward and backward, the rectangular connecting plate 71 and the rectangular connecting plate 63 simultaneously drive the rectangular supporting block 72 to reciprocate forward and backward, the motor 75 is started, the motor 75 drives the screw 74 to rotate forward and backward, the fourth screw 74 drives the convex sliding block 76 to reciprocate up and down in the third rectangular sliding groove 73, the convex sliding block 76 drives the laser generator 81 to reciprocate up and down, the laser generator 81 drives the cutting head 83 to reciprocate up and down, when the groove is cut on the large long metal pipe fitting, the cutting head 83 is controlled to move to the position required by setting by the fifth motor 75, the servo motor 82 is started, after the cutting head 83 starts cutting the large long metal pipe fitting, the cutting head 83 is controlled to move leftwards to the position required by setting by the first motor 57, after the leftward cutting is finished, the cutting head 83 is controlled to move forwards to the position required by setting by the fourth motor 67, after the forward cutting is finished, the cutting head 83 is controlled to move rightwards to the position required by setting by the first motor 57, the first cutting moving unit 5, the second cutting moving unit 6 are matched with the third cutting moving unit 7, the laser cutting head 83 can be controlled to change the motion track along the XYZ axis direction so as to cut grooves of different sizes and shapes, and the groove cutting operation can be continuously performed on large-sized long metal pipes, so that the labor is not required, the groove cutting efficiency is high, the high machining precision can be ensured, and the groove cutting operation is more convenient.

Referring to fig. 1-5 and 11, the flexible suction cup control unit 9 includes a second motor 91 disposed on front and rear sides of an upper end of the third rectangular support plate 58, an output shaft of the second motor 91 is fixedly connected with a lower end of the first screw 92, the upper sides of the first screw 92 are connected with a rectangular screw sleeve 93 through threads, the upper ends of the rectangular screw sleeves 93 located on the front and rear sides are jointly provided with a first rectangular connection plate 94, an air pump 95 is disposed in the middle of the first rectangular connection plate 94, a left end of the air pump 95 is communicated with an inverted L-shaped air suction pipe 96, a ring-shaped sealing sleeve 97 is slidably disposed at a lower end of the inverted L-shaped air suction pipe 96, a buffer spring 99 is disposed between the first ring-shaped fixing block 98 and the ring-shaped sealing sleeve 97, a first rectangular chute 101 is vertically disposed at a position of the left end of the motor fixing block 59, which is close to the first rectangular support plate 54, a first rectangular chute 103 is slidably connected to the first rectangular chute 103, a second ring-shaped fixing block 103 is disposed at a position of the ring-shaped sealing sleeve 96 corresponding to the second rectangular chute, and a second ring-shaped fixing block 104 is fixedly disposed at a position of the ring-shaped connecting rod 93 corresponding to the second rectangular chute.

Referring to fig. 1-5 and fig. 7-11, in specific operation, when the right cutting is completed, the motor No. two 91 is started, the motor No. two 91 controls the rectangular screw sleeve 93 to move downwards through the screw No. one 92, the rectangular screw sleeve 93 drives the annular fixing block No. two 103 to move downwards through the connecting rod No. two L-shaped, the rectangular screw sleeve 93 drives the air pump 95 to move downwards through the connecting rod No. one 94, the air pump 95 and the annular fixing block No. two 103 drive the inverted L-shaped air pumping pipeline 96 to move downwards, the inverted L-shaped air pumping pipeline 96 drives the high melting point arc rubber sucker 100 to move downwards to the upper end of the circular tube 4 through the annular sealing sleeve 97, the inverted L-shaped air pumping pipeline 96 drives the connecting rod No. one 102 to slide downwards in the rectangular chute 101 through the connecting rod No. one annular fixing block 98, the air pump 95 is started, when the air pump 95 controls the high-melting-point arc-shaped rubber sucker 100 to absorb and cut a groove piece through the inverted L-shaped air suction pipe 96, then controls the cutting head 83 to move backward and leftwards to the cutting starting position through the fourth motor 67, after the groove is cut, the second motor 91 controls and drives the rectangular screw to move upwards through the first screw 92, the rectangular screw sleeve 93 drives the air pump 95 to move upwards through the first rectangular connecting plate 94, the air pump 95 drives the inverted L-shaped air suction pipe 96 to move upwards, the inverted L-shaped air suction pipe 96 drives the high-melting-point arc-shaped rubber sucker 100 to move upwards to the original position through the annular sealing sleeve 97, the inverted L-shaped air suction pipe 96 drives the first L-shaped connecting rod 102 to slide upwards in the first rectangular sliding groove 101 through the first annular fixing block 98, the air pump 95 is closed, and the cut groove piece is integrally processed through external equipment or manual access, the first motor 57 is used for controlling the cutting head 83 to move leftwards to the position required by the next cutting groove, the micro motor 38 is started again, the micro motor 38 drives the screw rod 37 to rotate reversely, after the screw rod 37 is used for loosening the circular tube 4 through the locking piece control linear shaft sleeve 35 with the locking opening, the third motor 32 is started, when the two linear shaft sleeves 35 with the locking opening are moved to the left side and the right side of the next groove part to be cut, the third motor 32 is closed, the micro motor 38 is driven to rotate positively, the screw rod 37 is used for controlling the linear shaft sleeve 35 with the locking piece to lock, the micro motor 38 is closed, the operation flow is repeated, continuous cutting groove operation is carried out, the first L-shaped connecting rod 102 and the second L-shaped connecting rod 104 can both assist in supporting the inverted L-shaped air suction pipeline 96, and the flexible sucker control unit 9 can compensate the overlong stroke of an operating system and workpieces with different heights when carrying out laser cutting on large-sized long metal pipes, so that the high-melting-point arc-shaped rubber sucker 100 is flexibly placed on the pipe fitting, the cutting groove part is adsorbed by the high-melting-point arc-shaped rubber sucker 100, the problem that the groove part is cut is prevented from falling into the inner groove part of the pipe fitting and the heavy groove part is not damaged due to the cutting groove part is avoided.

When in operation, the device comprises: s1: the method comprises the steps that firstly, large-sized long metal pipe fittings needing continuous groove cutting processing are pushed into two linear shaft sleeves 35 with locking openings in the middle and two pneumatic double-threaded hollow four-jaw chucks 21 on the left side from pneumatic double-threaded hollow four-jaw chucks 21 on the right side by external equipment, an external air pump is communicated with air pipes 22 at the rear ends of the pneumatic double-threaded hollow four-jaw chucks 21 on the left side and the right side, the pneumatic double-threaded hollow four-jaw chucks 21 on the left side and the right side drive an arc-shaped rubber gasket 25 to clamp the large-sized long metal pipe fittings through arc-shaped clamping jaws 24, a motor No. three 32 is started, the motor No. three 32 drives a screw rod 31 to positively and negatively rotate, the screw rod No. two 31 drives a No. two concave sliding blocks 34 to slide left and right in a No. two rectangular sliding grooves 33, the No. two concave sliding blocks 34 drive the linear shaft sleeves 35 with the locking openings to do left and right reciprocating motion through bearing supporting seats 36, when the two linear shaft sleeves 35 with the locking openings respectively move to the left side and the right side of a groove cutting part, a miniature motor 38 is started, the miniature motor 38 drives a screw rod 37 to positively rotate, the screw rod 37 controls the linear shaft sleeves 35 with the locking plates to drive the locking opening linear shaft sleeves 35 to clamp the large-shaped metal pipe fittings, and the large-shaped metal pipe fittings to be cut, and the large-shaped metal pipe fittings can be cut and the large-shaped metal pipe fittings, and the large-shaped metal pipe fittings can be clamped and cut and deformed coaxially, and the large-shaped metal pipe fittings can be cut and cut, and the large-shaped metal pipe fittings can be positioned, and the large-shaped metal pipe fittings can be cut and deformed, and the long-shaped metal pipe fittings can be cut and cut, and the long metal pipe parts and cut.

S2: the first motor 57 is started, the first motor 57 drives the gear 56 to rotate, the gear 56 is driven to reciprocate left and right along the rack 51 through the meshing transmission of the gear 56 and the rack 51, the gear 56 drives the second rectangular support plate 55 and the motor fixing block 59 to reciprocate left and right, the second rectangular support plate 55 drives the first concave-shaped sliding block 53 to reciprocate left and right at the upper end of the first sliding rail 52, the first concave-shaped sliding block 53 drives the motor fixing block 59 and the third rectangular support plate 58 to reciprocate left and right through the first rectangular support plate 54, when the first concave-shaped sliding block 53 slides to the rightmost side, the first motor 57 is turned off, and the first motor 57 can drive the third rectangular support plate 58 to reciprocate left and right through the gear 56, the rack 51 and the first sliding rail 52 and the first concave-shaped sliding block 53.

S3: starting a fourth motor 67, the fourth motor 67 drives a third screw 65 to rotate positively and negatively, under the action of two third concave-shaped sliding blocks 62 and a second rectangular connecting plate 63, the third screw 65 drives a fourth screw sleeve 64 to reciprocate forwards and backwards, the fourth screw sleeve 64 drives the two third concave-shaped sliding blocks 62 to reciprocate forwards and backwards at the upper end of a second sliding rail 61 through the second rectangular connecting plate 63, the fourth screw sleeve 64 and the two third concave-shaped sliding blocks 62 jointly drive a third rectangular connecting plate 71 and a second rectangular connecting plate 63 to reciprocate forwards and backwards, the third rectangular connecting plate 71 and the second rectangular connecting plate 63 simultaneously drive a rectangular supporting block 72 to reciprocate forwards and backwards, starting a fifth motor 75, the fifth motor 75 drives a fourth screw 74 to rotate positively and negatively, the fourth screw 74 drives a convex sliding block 76 to reciprocate upwards and downwards in a third rectangular sliding groove 73, the convex sliding block 76 drives the laser generator 81 to reciprocate up and down, the laser generator 81 drives the cutting head 83 to reciprocate up and down, when the groove is cut on the large long metal pipe fitting, the cutting head 83 is controlled to move to a position required by setting by the fifth motor 75, the servo motor 82 is started, after the cutting head 83 starts cutting the large long metal pipe fitting, the cutting head 83 is controlled to move leftwards to a position required by setting by the first motor 57, after the leftward cutting is finished, the cutting head 83 is controlled to move forwards to a position required by setting by the fourth motor 67, after the forward cutting is finished, the cutting head 83 is controlled to move rightwards to a position required by setting by the first motor 57, the first cutting moving unit 5, the second cutting moving unit 6 are matched with the third cutting moving unit 7, the laser cutting head 83 can be controlled to change the motion track along the XYZ axis direction so as to cut grooves of different sizes and shapes, and the groove cutting operation can be continuously performed on large-sized long metal pipes, so that the labor is not required, the groove cutting efficiency is high, the high machining precision can be ensured, and the groove cutting operation is more convenient.

S4: when the right cutting is completed, the second motor 91 is started, the second motor 91 controls the rectangular screw sleeve 93 to move downwards through the first screw 92, the rectangular screw sleeve 93 drives the second annular fixing block 103 to move downwards through the second L-shaped connecting rod 104, the rectangular screw sleeve 93 drives the air pump 95 to move downwards through the first rectangular connecting plate 94, the air pump 95 and the second annular fixing block 103 jointly drive the inverted L-shaped air suction pipe 96 to move downwards, the inverted L-shaped air suction pipe 96 drives the high-melting-point arc-shaped rubber suction cup 100 to move downwards to the upper end of the circular tube 4 through the annular sealing sleeve 97, the inverted L-shaped air suction pipe 96 drives the first L-shaped connecting rod 102 to slide downwards in the first rectangular sliding groove 101 through the first annular fixing block 98, the air pump 95 is started, after the air pump 95 controls the high-melting-point arc-shaped rubber suction cup 100 to adsorb a cut groove piece through the inverted L-shaped air suction pipe 96, then the cutting head 83 is controlled to move backwards to the position of the starting cutting through the fourth motor 67, after the groove is cut, the second motor 91 is controlled to drive the rectangular screw rod to move upwards through the first screw rod 92, the rectangular screw rod sleeve 93 is controlled to drive the air pump 95 to move upwards through the first rectangular connecting plate 94, the air pump 95 drives the inverted L-shaped air pumping pipeline 96 to move upwards, the inverted L-shaped air pumping pipeline 96 drives the high-melting-point arc-shaped rubber sucker 100 to move upwards to the original position through the annular sealing sleeve 97, the inverted L-shaped air pumping pipeline 96 drives the first L-shaped connecting rod 102 to slide upwards in the first rectangular sliding groove 101 through the first annular fixing block 98, the air pump 95 is closed, the groove piece cut by external equipment or manual access is processed uniformly, the cutting head 83 is controlled to move leftwards to the position required by the next groove cutting through the first motor 57, the micro motor 38 is started again, the micro motor 38 drives the screw rod 37 to reversely rotate, the screw rod 37 drives the locking opening linear shaft sleeve 35 to loosen the round tube 4 through the locking piece, the motor No. three 32 is started, when the two locking opening linear shaft sleeves 35 move to the left side and the right side of the next groove part to be cut, the motor No. three 32 is closed, the screw rod 37 is driven to positively rotate through the micro motor 38, the screw rod 37 is locked through the locking piece control opening linear shaft sleeve 35, the micro motor 38 is closed, the operation process is repeated, continuous groove cutting operation is carried out, the L-shaped connecting rod 102 and the L-shaped connecting rod 104 can be used for supporting the inverted L-shaped air suction pipeline 96 in an auxiliary mode, the buffer spring 99 can compensate overlong strokes of an operating system and workpieces with different heights when the flexible sucker control unit 9 is used for carrying out laser groove cutting on large-sized long metal pipes, the high-melting arc rubber sucker 100 is gently placed on the pipe fitting, and the cut workpiece is adsorbed by the high-melting arc rubber sucker 100, and the problem that the waste workpiece is cut into the pipe fitting and the groove part is damaged by gravity is not cut is avoided.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The laser cutting equipment comprises a base (1), and is characterized in that a fixed clamping unit (2) is arranged at the left side and the right side of the middle of the upper end of the base (1), a movable clamping unit (3) is arranged at the middle of the fixed clamping unit (2) at the upper end of the base (1), a round pipe (4) is clamped by the fixed clamping unit (2) and the movable clamping unit (3) together, a first cutting moving unit (5) is arranged at the front end and the rear end of the base (1) together, a second cutting moving unit (6) is arranged at the upper end of the first cutting moving unit (5), a third cutting moving unit (7) is arranged at the left end of the second cutting moving unit (6), a laser cutting unit (8) is arranged at the left end of the third cutting moving unit (7), and a flexible sucker control unit (9) is arranged at the front side and the rear side of the upper end of the first cutting moving unit (5); wherein:

the utility model provides a cutting mobile unit (5) includes rack (51) that both ends all set up around base (1), both sides all are provided with slide rail (52) around base (1) upper end, slide rail (52) upper end slip is provided with a concave slider (53), a concave slider (53) upper end middle part is provided with rectangle backup pad (54) No. one, a concave slider (53) upper end is close to rack (51) one end and a rectangle backup pad (54) are close to rack (51) one end jointly is provided with rectangle backup pad (55) No. two, rotate below rectangle backup pad (55) No. two and be provided with gear (56) meshing in rack (51), the position that No. two rectangle backup pad (55) correspond gear (56) is provided with motor (57) No. one, the output shaft fixed connection of motor (57) is in gear (56), a rectangle backup pad (54) upper end that is located the front and back both sides is provided with rectangle backup pad (58) jointly, rectangle backup pad (58) lower extreme corresponds a rectangle motor (57) and is provided with a rectangle backup pad (54) fixed block (59) fixed connection.

2. A laser cutting apparatus according to claim 1, wherein: the flexible sucker control unit (9) comprises a second motor (91) which is arranged on the front side and the rear side of the upper end of a third rectangular supporting plate (58), an output shaft of the second motor (91) is fixedly connected with the lower end of a first screw (92), the upper side of the first screw (92) is connected with a rectangular screw sleeve (93) through threads, a first rectangular connecting plate (94) is jointly arranged at the upper end of the rectangular screw sleeve (93) which is arranged on the front side and the rear side, an air sucking pump (95) is arranged in the middle of the first rectangular connecting plate (94), an inverted L-shaped air sucking pipeline (96) is communicated with the left end of the air sucking pump (95), an annular sealing sleeve (97) is arranged at the lower end of the inverted L-shaped air sucking pipeline (96) in a sliding mode, an annular fixing block (98) is sleeved at the upper end of the annular sealing sleeve (97), a buffer spring (99) is arranged between the annular fixing block (98) and the annular sealing sleeve (97), a high-melting-point arc rubber sucker (100) which can be fixedly arranged on the lower end of the annular sealing sleeve (97) is attached to a round pipe (4), a connecting rod (101) is arranged at the front end of the first rectangular supporting plate (54) which is close to the left end of the first rectangular supporting plate (59), a sliding chute (101) is arranged at the front end of the first rectangular supporting plate (101), the inverted L-shaped air exhaust pipeline (96) is sleeved with a second annular fixed block (103) corresponding to the rectangular screw sleeve (93), and the front end and the rear end of the second annular fixed block (103) are respectively provided with a second L-shaped connecting rod (104) fixedly connected to the rectangular screw sleeve (93).

3. A laser cutting apparatus according to claim 1, wherein: the fixed clamping unit (2) comprises two pneumatic double-thread hollow four-jaw chucks (21) which are oppositely arranged on the left side and the right side above the base (1), an air pipe (22) is communicated with the middle of the rear end of each pneumatic double-thread hollow four-jaw chuck (21), a chuck supporting seat (23) fixedly connected to the base (1) is arranged at the lower end of each pneumatic double-thread hollow four-jaw chuck (21), clamping jaws of each pneumatic double-thread hollow four-jaw chuck (21) are arc-shaped clamping jaws (24) capable of being attached to a round pipe (4), and arc-shaped rubber gaskets (25) are arranged on clamping faces of the arc-shaped clamping jaws (24).

4. A laser cutting apparatus according to claim 1, wherein: the movable clamping unit (3) comprises a second lead screw (31) which is arranged at the bottom sides of chuck supporting seats (23) at the left side and the right side in a rotating way, a third motor (32) is arranged at the left side of the left chuck supporting seat (23) and corresponds to the second lead screw (31), an output shaft of the third motor (32) is fixedly connected with the second lead screw (31), the third motor (32) is fixedly connected with a base (1) through a motor supporting seat, the upper end of the base (1) is provided with a second rectangular sliding groove (33) at the front side and the rear side of the second lead screw (31), the middle part of the second lead screw (31) is connected with two second concave sliding blocks (34) through threads, the second concave sliding blocks (34) are simultaneously and slidably connected with the two second rectangular sliding grooves (33), a position sliding sleeve of a round tube (4) corresponding to the second concave sliding blocks (34) is provided with a linear sleeve (35) with a locking opening, the lower end of the linear sleeve (35) is provided with a bearing supporting seat (36) fixedly connected with the second concave sliding blocks (34), the middle part of the linear sleeve (35) with the locking opening is provided with a miniature screw (37) through a miniature screw (37), the miniature motor (38) is fixedly connected with the second concave-shaped sliding block (34) through the supporting seat.

5. A laser cutting apparatus according to claim 1, wherein: the second cutting mobile unit (6) comprises a second sliding rail (61) which is bilaterally symmetrically arranged at the upper end of a third rectangular supporting plate (58), a third concave-shaped sliding block (62) is slidably arranged at the upper end of the second sliding rail (61), a second rectangular connecting plate (63) with the left end extending out of the third rectangular supporting plate (58) is jointly arranged at the upper end of the second concave-shaped sliding block (62), a square screw sleeve (64) is arranged between the two third concave-shaped sliding blocks (62) at the upper end of the second rectangular connecting plate (63), a third screw (65) is connected inside the square screw sleeve (64) through threads, rectangular bearing seats (66) fixedly arranged on the third rectangular supporting plate (58) are fixedly connected to the front end and the rear end of the third screw (65) in a rotating mode, and an output shaft of a fourth motor (67) fixedly arranged on the third rectangular supporting plate (58) are fixedly connected.

6. A laser cutting apparatus according to claim 5, wherein: the cutting mobile unit (7) No. three includes square screw sleeve (64) upper end and corresponds No. three rectangle connecting plates (71) that No. two rectangle connecting plates (63) set up, no. three rectangle connecting plates (71) are provided with rectangle supporting shoe (72) jointly with No. two rectangle connecting plates (63) left end, no. three rectangle spout (73) have been seted up to rectangle supporting shoe (72) left end, no. three rectangle spout (73) rotation is provided with No. four lead screws (74), the position that No. four lead screws (74) are corresponding to rectangular supporting shoe (72) upper end is provided with No. five motors (75), no. five motors (75) are through motor supporting seat fixed connection in rectangular supporting shoe (72), no. four output shaft fixed connection of motors (75) are in No. four lead screws (74), no. four lead screws (74) middle part is through threaded connection with protruding font slider (76).

7. A laser cutting apparatus according to claim 6, wherein: the laser cutting unit (8) comprises a laser generator (81) arranged at the left end of the convex sliding block (76), a servo motor (82) is arranged at the upper end of the laser generator (81), and a cutting head (83) is arranged at the lower end of the laser generator (81).