CN108161244B - Rotatable chuck for laser cutting - Google Patents
Rotatable chuck for laser cutting Download PDFInfo
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- CN108161244B CN108161244B CN201711361306.XA CN201711361306A CN108161244B CN 108161244 B CN108161244 B CN 108161244B CN 201711361306 A CN201711361306 A CN 201711361306A CN 108161244 B CN108161244 B CN 108161244B
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- ring
- guide
- driving
- chuck
- main shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
Abstract
The invention discloses a rotatable chuck for laser cutting, which comprises a frame, a main shaft, a chuck, a clamping mechanism and a rotating mechanism, wherein the front part of the main shaft penetrates through a central through hole of a front plate of the frame, the rear part of the main shaft is rotatably arranged on the frame, a guide ring is arranged on the front side surface of the front plate of the frame, a piston head of a first driving cylinder is connected with a guide bearing of a first driving ring, the second driving ring further comprises a second inner ring, a second outer ring and a second bearing arranged between the second inner ring and the second outer ring, movable sliding blocks are respectively arranged in the sliding rails, through holes are respectively formed in the chuck behind the sliding blocks, the first wedge block and the second wedge block respectively penetrate through the through holes of the chuck and are connected with the rear surface of the sliding blocks in an installing manner, and a clamping jaw is respectively arranged. According to the invention, through the arrangement of the driving ring, the forward thrust of the cylinder is converted into the inward clamping force of the clamping jaw, the workpiece to be machined is clamped, the operation is simple and convenient, and the clamping force is stable.
Description
Technical Field
The invention relates to a rotatable chuck for laser cutting, and belongs to the technical field of laser cutting.
Background
Laser cutting has been widely used in various industrial fields as a fast and efficient processing method. The laser cutting machine is a device for cutting by using laser beams, and mainly comprises a laser generator, a beam expander, a focusing lens, a workbench and a clamping device. At present, the chuck is used as a clamping device of the laser pipe cutting machine, and is widely applied due to good processing quality and high production efficiency. At present, when the manual chuck on the market is used, manual operation is needed for clamping, the clamping speed is low, the clamping force is not strong enough, the clamping precision is low, and the manual chuck is only suitable for clamping and cutting, increases the human resource cost, reduces the working efficiency and is not suitable for batch processing enterprises.
Disclosure of Invention
The invention aims to provide a rotatable chuck for laser cutting, which converts the forward thrust of an air cylinder into inward clamping force of clamping jaws through the arrangement of a driving ring, clamps a workpiece to be machined, and has the advantages of simple and convenient operation and stable clamping force.
In order to achieve the purpose, the invention adopts the technical scheme that: a rotatable chuck for laser cutting comprises a frame, a main shaft, a chuck, a clamping mechanism and a rotating mechanism, wherein the front part of the main shaft penetrates through a central through hole of a front plate of the frame, the rear part of the main shaft is rotatably arranged on the frame, and the chuck is connected with the front end surface of the main shaft in an installing manner;
the rotating mechanism further comprises a motor, a speed reducer and a pinion, the motor is mounted on the rack, the speed reducer is connected with the motor, an output shaft of the speed reducer is connected with the pinion, a large gear is fixedly mounted on the outer surface of the main shaft along the circumferential direction, and the large gear is located below the pinion and is meshed with the pinion;
the clamping mechanism further comprises a guide ring, a first driving ring, a second driving ring, a first driving cylinder and a second driving cylinder, the rear ends of the first driving cylinder and the second driving cylinder are respectively connected with the rack in an installing mode, and the guide ring is installed on the front side face of the front plate of the rack;
the guide ring is uniformly provided with a plurality of first guide grooves and second guide grooves along the circumferential direction, a plurality of guide bearings are circumferentially arranged on the outer surfaces of the outer rings of the first drive ring and the second drive ring, the first drive ring and the second drive ring are arranged in the guide ring, the guide bearings of the first drive ring are respectively embedded into the first guide grooves of the guide ring, the guide bearings of the second drive ring are respectively embedded into the second guide grooves of the guide ring, the piston head of the first drive cylinder is connected with the guide bearings of the first drive ring, and the piston head of the second drive cylinder is connected with the guide bearings of the second drive ring;
the first driving ring further comprises a first inner ring, a first outer ring and a first bearing arranged between the first inner ring and the first outer ring, wherein 2 pairs of first convex strips are symmetrically arranged on the inner surface of the first inner ring, a first wedge block is movably arranged between each pair of first convex strips, two opposite surfaces of each pair of first convex strips are respectively provided with a first convex block inclining downwards, and the surfaces of two sides of the first wedge block are respectively provided with a first inclined groove for the first convex strips to be embedded in;
the second driving ring further comprises a second inner ring, a second outer ring and a second bearing arranged between the second inner ring and the second outer ring, the inner surface of the second inner ring is symmetrically provided with 2 pairs of second raised lines, a second wedge block is movably arranged between each pair of second raised lines respectively, two opposite surfaces of each pair of second raised lines are respectively provided with a second convex block which inclines downwards, and the two side surfaces of the second wedge block are respectively provided with a second inclined groove for the second raised lines to be embedded in;
the number of the guide bearings of the first guide groove and the first drive ring is 4, the number of the guide bearings of the second guide groove and the second drive ring is 4, the first guide groove and the second guide groove are both inclined grooves, the 4 first guide grooves are arranged in parallel, the second guide grooves are arranged in parallel, the first guide groove and the second guide groove are arranged at intervals, the number of the first drive cylinders is 2, the first drive cylinders are respectively and symmetrically arranged at two sides of the main shaft, and the number of the second drive cylinders is 2, and the second drive cylinders are respectively and symmetrically arranged at two sides of the main shaft;
two sides of a piston rod of the driving cylinder are symmetrically provided with 2 guide shafts which are respectively sleeved with springs, the rear ends of the guide shafts are fixedly connected with a cylinder body of the driving cylinder, the front ends of the guide shafts are provided with a baffle plate, the front ends of the 2 guide shafts respectively penetrate through the baffle plate, and the baffle plate is fixedly connected with a piston head of the driving cylinder;
the end surface is provided with four pairs of slide rails along circumference equidistant, is provided with mobilizable slider in this slide rail respectively, it has the through-hole to open respectively on the chuck at slider rear, first voussoir, second voussoir pass the through-hole of chuck respectively and be connected with slider rear surface mounting, a clamping jaw is installed respectively to the slider front surface.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the outer side surface of the main shaft is uniformly provided with a plurality of rib plates in the circumferential direction, and the first wedge block and the second wedge block are respectively positioned between the two rib plates of the main shaft.
2. In the above scheme, the rear surface of the slider is respectively provided with a shallow groove, and the front ends of the first wedge block and the second wedge block are respectively tightly matched with the shallow groove on the rear surface of the slider and are connected through a plurality of screws.
3. In the above scheme, the first bearing and the second bearing are both cross roller bearings.
4. In the above scheme, the 4 first guide grooves are arranged at equal intervals in the circumferential direction.
5. In the above scheme, the 4 second guide grooves are arranged at equal intervals along the circumferential direction.
6. In the above scheme, the guide bearing is a deep groove ball bearing.
7. In the above scheme, the rear end of the first driving cylinder is connected with the frame through a spherical bearing.
8. In the above scheme, the rear end of the second driving cylinder is connected with the frame through a spherical bearing.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the invention relates to a rotatable chuck for laser cutting, wherein a guide ring of the rotatable chuck is uniformly provided with a plurality of first guide grooves and second guide grooves along the circumferential direction, the outer surface of the outer ring of each of the first driving ring and the second driving ring is provided with a plurality of guide bearings along the circumferential direction, the first driving ring and the second driving ring are arranged in the guide ring, the guide bearings of the first driving ring are respectively embedded into the first guide grooves of the guide ring, the guide bearings of the second driving ring are respectively embedded into the second guide grooves of the guide rings, the piston head of the first driving cylinder is connected with the guide bearings of the first driving ring, the piston head of the second driving cylinder is connected with the guide bearings of the second driving ring, through the setting of guide ring, will drive actuating cylinder and install on the frame and need not direct mount on main shaft or carousel, the burden of main shaft and carousel that alleviates has simplified the structure of chuck.
2. The invention relates to a rotatable chuck for laser cutting, wherein a first driving ring of the rotatable chuck further comprises a first inner ring, a first outer ring and a first bearing arranged between the first inner ring and the first outer ring, the inner surface of the first inner ring is symmetrically provided with 2 pairs of first convex strips, a first wedge block is movably arranged between each pair of first convex strips, two opposite surfaces of each pair of first convex strips are respectively provided with a first convex block inclining downwards, the surfaces of two sides of the first wedge block are respectively provided with a first inclined groove for embedding the first convex strips, the forward thrust of an air cylinder is converted into the inward clamping force of a clamping jaw through the arrangement of the driving ring, a workpiece to be machined is clamped, the operation is simple and convenient, and the clamping force is stable.
3. The invention relates to a rotatable chuck for laser cutting, the number of guide bearings of a first guide groove and a first drive ring is 4, the number of the guide bearings of the second guide groove and the second driving ring is 4, the first guide groove and the second guide groove are both inclined grooves, the 4 first guide grooves are arranged in parallel, the second guide grooves are arranged in parallel, the first guide grooves and the second guide grooves are arranged in parallel, the first guide grooves and the second guide grooves are arranged at intervals, the number of the first driving cylinders is 2, the first driving cylinders are respectively symmetrically arranged at two opposite sides of the first driving ring, the number of the second driving cylinders is 2, the second driving cylinders are respectively and symmetrically arranged on two opposite sides of the second driving ring, and the plurality of groups of inclined guide grooves are symmetrically arranged, so that the thrust of the cylinders to the guide rings is decomposed to four directions of the circumference, and the guide rings are prevented from being deformed due to overlarge thrust of the cylinders; secondly, the guide bearing is deep groove ball bearing, and the rear end of first drive actuating cylinder is connected through spherical bearing between the frame, and the use of different kind bearings for when the cylinder pushes away the guide ring forward, have along the inclined guide way to the wobbling possibility of oblique top, thereby realize the stability of whole function.
4. The rotatable chuck for laser cutting disclosed by the invention has the advantages that the rotating mechanism further comprises a motor, a speed reducer and a pinion, the motor is arranged on the rack, the speed reducer is connected with the motor, an output shaft of the speed reducer is connected with the pinion, a large gear is fixedly arranged on the outer surface of the main shaft in the circumferential direction, the large gear is positioned below the pinion and is meshed with the pinion, and the rotating mechanism is simple in structure, so that the chuck can synchronously rotate while clamping a workpiece, the circumferential cutting of a pipe is facilitated, and the cutting precision is ensured.
Drawings
FIG. 1 is a schematic diagram of a rotatable chuck for laser cutting according to the present invention;
FIG. 2 is a schematic structural diagram of a clamping mechanism in a rotatable chuck for laser cutting according to the present invention;
FIG. 3 is a partial schematic structural view of a clamping mechanism in the rotatable chuck for laser cutting according to the present invention;
FIG. 4 is a schematic view of a first drive ring configuration of a clamping mechanism in the rotatable chuck of the present invention;
FIG. 5 is a schematic view of a second drive ring configuration of the clamping mechanism of the rotatable chuck of the present invention;
fig. 6 is a schematic structural view of a rotating mechanism in the rotatable chuck for laser cutting according to the present invention.
In the above drawings: 1. a frame; 2. a main shaft; 3. a guide ring; 3a1, a first guide groove; 3a2, second guide groove; 4. a chuck; 5. a clamping mechanism; 5a, a first drive ring; 5a1, a first inner ring; 5a2, a first bearing; 5a3, first outer ring; 5a4, a first rib; 5a5, a first bump; 5a6, first wedge; 5a7, first chute; 6a, a second drive ring; 6a1, second inner ring; 6a2, second bearing; 6a3, second outer ring; 6a4, second convex strip; 6a5, second bump; 6a6, second wedge; 6a7, second chute; 7a, a first driving cylinder; 8a, a second driving cylinder; 11a, a guide bearing; 12a, a spring; 13a, a guide shaft; 14a, a baffle plate; 6. a rotation mechanism; 61. a motor; 62. a speed reducer; 63. a pinion gear; 7. a bull gear; 21. a slide rail; 22. a slider; 23. a clamping jaw.
Detailed Description
Example 1: a rotatable chuck for laser cutting comprises a frame 1, a main shaft 2, a chuck 4, a clamping mechanism 5 and a rotating mechanism 6, wherein the front part of the main shaft 2 penetrates through a central through hole of a front plate of the frame 1, the rear part of the main shaft 2 is rotatably arranged on the frame 1, and the chuck 4 is connected with the front end face of the main shaft 2 in an installing manner;
the rotating mechanism 6 further comprises a motor 61, a speed reducer 62 and a pinion 63, the motor 61 is mounted on the frame 1, the speed reducer 62 is connected with the motor 61, an output shaft of the speed reducer 62 is connected with the pinion 63, a gearwheel 7 is fixedly mounted on the outer surface of the main shaft 2 along the circumferential direction, and the gearwheel 7 is positioned below the pinion 63 and is meshed with the pinion 63;
the clamping mechanism 5 further comprises a guide ring 3, a first driving ring 5a, a second driving ring 6a, a first driving cylinder 7a and a second driving cylinder 8a, the rear ends of the first driving cylinder 7a and the second driving cylinder 8a are respectively connected with the frame 1, and the guide ring 3 is mounted on the front side surface of the front plate of the frame 1;
the guide ring 3 is uniformly provided with a plurality of first guide grooves 3a1 and a plurality of second guide grooves 3a2 along the circumferential direction, the outer surface of the outer ring of each of the first drive ring 5a and the second drive ring 6a is provided with a plurality of guide bearings 11a along the circumferential direction, the first drive ring 5a and the second drive ring 6a are arranged in the guide ring 3, the guide bearings 11a of the first drive ring 5a are respectively embedded in the first guide grooves 3a1 of the guide ring 3, the guide bearings 11a of the second drive ring 6a are respectively embedded in the second guide grooves 3a2 of the guide ring 3, the piston head of the first drive cylinder 7a is connected with the guide bearings 11a of the first drive ring 5a, and the piston head of the second drive cylinder 8a is connected with the guide bearings 11a of the second drive ring 6 a;
the first driving ring 5a further comprises a first inner ring 5a1, a first outer ring 5a3 and a first bearing 5a2 arranged between the first inner ring 5a1 and the first outer ring 5a3, the inner surface of the first inner ring 5a1 is symmetrically provided with 2 pairs of first convex strips 5a4, a first wedge 5a6 is movably arranged between each pair of first convex strips 5a4, two opposite surfaces of each pair of first convex strips 5a4 are respectively provided with a first convex block 5a5 which inclines downwards, and two side surfaces of the first wedge 5a6 are respectively provided with first inclined grooves 5a7 for the first convex strips 5a4 to be embedded in;
the second driving ring 6a further comprises a second inner ring 6a1, a second outer ring 6a3 and a second bearing 6a2 arranged between the second inner ring 6a1 and the second outer ring 6a3, the inner surface of the second inner ring 6a1 is symmetrically provided with 2 pairs of second convex strips 6a4, a second wedge 6a6 is movably arranged between each pair of second convex strips 6a4, two opposite surfaces of each pair of second convex strips 6a4 are respectively provided with a second convex block 6a5 which is inclined downwards, and two side surfaces of the second wedge 6a6 are respectively provided with second inclined grooves 6a7 in which the second convex strips 6a4 are embedded;
the number of the guide bearings 11a of the first guide groove 3a1 and the first drive ring 5a is 4, the number of the guide bearings 11a of the second guide groove 3a2 and the second drive ring 6a is 4, the first guide groove 3a1 and the second guide groove 3a2 are oblique grooves, the 4 first guide grooves 3a1 are arranged in parallel, the second guide grooves 3a2 are arranged in parallel, the first guide grooves 3a1 and the second guide grooves 3a2 are arranged in parallel, the first guide grooves 3a1 and the second guide grooves 3a2 are arranged at intervals, the number of the first drive cylinders 7a is 2, the first drive cylinders are symmetrically arranged on both sides of the main shaft 2, and the second drive cylinders 8a are 2 and are symmetrically arranged on both sides of the main shaft 2;
two sides of a piston rod of the driving cylinder are symmetrically provided with 2 guide shafts 13a which are respectively sleeved with a spring 12a, the rear ends of the guide shafts 13a are fixedly connected with a cylinder body of the driving cylinder, the front end of each guide shaft 13a is provided with a baffle 14a, the front ends of the 2 guide shafts 13a respectively penetrate through the baffles 14a, and the baffles 14a are fixedly connected with a piston head of the driving cylinder;
the front end face of the chuck 4 is provided with four pairs of slide rails 21 at equal intervals along the circumferential direction, movable slide blocks 22 are respectively arranged in the slide rails 21, through holes are respectively formed in the chuck 4 behind the slide blocks 22, the first wedge blocks 5a6 and the second wedge blocks 6a6 respectively penetrate through the through holes of the chuck 4 and are connected with the rear surface of the slide blocks 22 in an installing mode, and clamping jaws 23 are respectively installed on the front surface of the slide blocks 22.
A plurality of rib plates are uniformly arranged on the outer side surface of the main shaft 2 in the circumferential direction, and the first wedge blocks 5a6 and the second wedge blocks 6a6 are respectively positioned between the two rib plates of the main shaft 2; the rear surfaces of the sliding blocks 22 are respectively provided with a shallow groove, and the front ends of the first wedge 5a6 and the second wedge 6a6 are respectively tightly matched with the shallow groove on the rear surface of the sliding block 22 and are connected through a plurality of screws; the first bearing 5a2 and the second bearing 6a2 are both cross roller bearings.
Example 2: a rotatable chuck for laser cutting comprises a frame 1, a main shaft 2, a chuck 4, a clamping mechanism 5 and a rotating mechanism 6, wherein the front part of the main shaft 2 penetrates through a central through hole of a front plate of the frame 1, the rear part of the main shaft 2 is rotatably arranged on the frame 1, and the chuck 4 is connected with the front end face of the main shaft 2 in an installing manner;
the rotating mechanism 6 further comprises a motor 61, a speed reducer 62 and a pinion 63, the motor 61 is mounted on the frame 1, the speed reducer 62 is connected with the motor 61, an output shaft of the speed reducer 62 is connected with the pinion 63, a gearwheel 7 is fixedly mounted on the outer surface of the main shaft 2 along the circumferential direction, and the gearwheel 7 is positioned below the pinion 63 and is meshed with the pinion 63;
the clamping mechanism 5 further comprises a guide ring 3, a first driving ring 5a, a second driving ring 6a, a first driving cylinder 7a and a second driving cylinder 8a, the rear ends of the first driving cylinder 7a and the second driving cylinder 8a are respectively connected with the frame 1, and the guide ring 3 is mounted on the front side surface of the front plate of the frame 1;
the guide ring 3 is uniformly provided with a plurality of first guide grooves 3a1 and a plurality of second guide grooves 3a2 along the circumferential direction, the outer surface of the outer ring of each of the first drive ring 5a and the second drive ring 6a is provided with a plurality of guide bearings 11a along the circumferential direction, the first drive ring 5a and the second drive ring 6a are arranged in the guide ring 3, the guide bearings 11a of the first drive ring 5a are respectively embedded in the first guide grooves 3a1 of the guide ring 3, the guide bearings 11a of the second drive ring 6a are respectively embedded in the second guide grooves 3a2 of the guide ring 3, the piston head of the first drive cylinder 7a is connected with the guide bearings 11a of the first drive ring 5a, and the piston head of the second drive cylinder 8a is connected with the guide bearings 11a of the second drive ring 6 a;
the first driving ring 5a further comprises a first inner ring 5a1, a first outer ring 5a3 and a first bearing 5a2 arranged between the first inner ring 5a1 and the first outer ring 5a3, the inner surface of the first inner ring 5a1 is symmetrically provided with 2 pairs of first convex strips 5a4, a first wedge 5a6 is movably arranged between each pair of first convex strips 5a4, two opposite surfaces of each pair of first convex strips 5a4 are respectively provided with a first convex block 5a5 which inclines downwards, and two side surfaces of the first wedge 5a6 are respectively provided with first inclined grooves 5a7 for the first convex strips 5a4 to be embedded in;
the second driving ring 6a further comprises a second inner ring 6a1, a second outer ring 6a3 and a second bearing 6a2 arranged between the second inner ring 6a1 and the second outer ring 6a3, the inner surface of the second inner ring 6a1 is symmetrically provided with 2 pairs of second convex strips 6a4, a second wedge 6a6 is movably arranged between each pair of second convex strips 6a4, two opposite surfaces of each pair of second convex strips 6a4 are respectively provided with a second convex block 6a5 which is inclined downwards, and two side surfaces of the second wedge 6a6 are respectively provided with second inclined grooves 6a7 in which the second convex strips 6a4 are embedded;
the number of the guide bearings 11a of the first guide groove 3a1 and the first drive ring 5a is 4, the number of the guide bearings 11a of the second guide groove 3a2 and the second drive ring 6a is 4, the first guide groove 3a1 and the second guide groove 3a2 are oblique grooves, the 4 first guide grooves 3a1 are arranged in parallel, the second guide grooves 3a2 are arranged in parallel, the first guide grooves 3a1 and the second guide grooves 3a2 are arranged in parallel, the first guide grooves 3a1 and the second guide grooves 3a2 are arranged at intervals, the number of the first drive cylinders 7a is 2, the first drive cylinders are symmetrically arranged on both sides of the main shaft 2, and the second drive cylinders 8a are 2 and are symmetrically arranged on both sides of the main shaft 2;
two sides of a piston rod of the driving cylinder are symmetrically provided with 2 guide shafts 13a which are respectively sleeved with a spring 12a, the rear ends of the guide shafts 13a are fixedly connected with a cylinder body of the driving cylinder, the front end of each guide shaft 13a is provided with a baffle 14a, the front ends of the 2 guide shafts 13a respectively penetrate through the baffles 14a, and the baffles 14a are fixedly connected with a piston head of the driving cylinder;
the front end face of the chuck 4 is provided with four pairs of slide rails 21 at equal intervals along the circumferential direction, movable slide blocks 22 are respectively arranged in the slide rails 21, through holes are respectively formed in the chuck 4 behind the slide blocks 22, the first wedge blocks 5a6 and the second wedge blocks 6a6 respectively penetrate through the through holes of the chuck 4 and are connected with the rear surface of the slide blocks 22 in an installing mode, and clamping jaws 23 are respectively installed on the front surface of the slide blocks 22.
The 4 first guide grooves 3a1 are provided at equal intervals in the circumferential direction; the 4 second guide grooves 3a2 are provided at equal intervals in the circumferential direction; the guide bearing 11a is a deep groove ball bearing; the rear end of the first driving cylinder 7a is connected with the frame 1 through a spherical bearing; the rear end of the second driving cylinder 8a is connected with the frame 1 through a spherical bearing.
When the rotatable chuck for laser cutting is adopted, the driving air cylinder is arranged on the frame through the arrangement of the guide ring without being directly arranged on the main shaft or the turntable, so that the burden of the main shaft and the turntable is reduced, and the structure of the chuck is simplified; secondly, the forward thrust of the cylinder is converted into the inward clamping force of the clamping jaw through the arrangement of the driving ring, a workpiece to be processed is clamped, the operation is simple and convenient, and the clamping force is stable; thirdly, the thrust of the cylinder to the guide ring is decomposed to four directions of the circumference by symmetrically arranging the plurality of groups of inclined guide grooves, so that the guide ring is prevented from deforming due to overlarge thrust of the cylinder; thirdly, due to the use of different types of bearings, the guide ring is pushed forwards by the cylinder, and meanwhile, the guide ring can swing upwards along the inclined guide groove, so that the stability of the whole function is realized; and thirdly, due to the arrangement of the rotating mechanism, the structure is simple, so that the chuck can synchronously rotate while clamping a workpiece, the pipe can be conveniently cut in the circumferential direction, and the cutting precision is ensured.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. A rotatable chuck for laser cutting, characterized by: the clamping device comprises a rack (1), a main shaft (2), a chuck (4), a clamping mechanism (5) and a rotating mechanism (6), wherein the front part of the main shaft (2) penetrates through a central through hole of a front plate of the rack (1), the rear part of the main shaft (2) is rotatably arranged on the rack (1), and the chuck (4) is connected with the front end face of the main shaft (2);
the rotating mechanism (6) further comprises a motor (61), a speed reducer (62) and a pinion (63), the motor (61) is installed on the rack (1), the speed reducer (62) is connected with the motor (61), an output shaft of the speed reducer (62) is connected with the pinion (63), a bull gear (7) is fixedly installed on the outer surface of the main shaft (2) along the circumferential direction, and the bull gear (7) is located below the pinion (63) and is meshed with the pinion (63);
the clamping mechanism (5) further comprises a guide ring (3), a first driving ring (5 a), a second driving ring (6 a), a first driving cylinder (7 a) and a second driving cylinder (8 a), the rear ends of the first driving cylinder (7 a) and the second driving cylinder (8 a) are respectively connected with the rack (1), and the guide ring (3) is mounted on the front side surface of the front plate of the rack (1);
the guide ring (3) is uniformly provided with a plurality of first guide grooves (3 a 1) and second guide grooves (3 a 2) along the circumferential direction, the outer surface of each outer ring of the first driving ring (5 a) and the second driving ring (6 a) is provided with a plurality of guide bearings (11 a) along the circumferential direction, the first driving ring (5 a) and the second driving ring (6 a) are arranged in the guide ring (3), the guide bearings (11 a) of the first driving ring (5 a) are respectively embedded in the first guide grooves (3 a 1) of the guide ring (3), the guide bearings (11 a) of the second drive ring (6 a) are respectively inserted into the second guide grooves (3 a 2) of the guide ring (3), the piston head of the first driving cylinder (7 a) is connected with a guide bearing (11 a) of a first driving ring (5 a), the piston head of the second driving cylinder (8 a) is connected with a guide bearing (11 a) of a second driving ring (6 a);
the first driving ring (5 a) further comprises a first inner ring (5 a 1), a first outer ring (5 a 3) and a first bearing (5 a 2) arranged between the first inner ring (5 a 1) and the first outer ring (5 a 3), wherein 2 pairs of first convex strips (5 a 4) are symmetrically arranged on the inner surface of the first inner ring (5 a 1), a first wedge block (5 a 6) is movably arranged between each pair of first convex strips (5 a 4), two opposite surfaces of each pair of first convex strips (5 a 4) are respectively provided with a downward-inclined first convex block (5 a 5), and two side surfaces of the first wedge block (5 a 6) are respectively provided with a first inclined groove (5 a 7) for the first convex strip (5 a 4) to be embedded in;
the second driving ring (6 a) further comprises a second inner ring (6 a 1), a second outer ring (6 a 3) and a second bearing (6 a 2) arranged between the second inner ring (6 a 1) and the second outer ring (6 a 3), the inner surface of the second inner ring (6 a 1) is symmetrically provided with 2 pairs of second convex strips (6 a 4), a second wedge block (6 a 6) is movably arranged between each pair of second convex strips (6 a 4), two opposite surfaces of each pair of second convex strips (6 a 4) are respectively provided with a downward-inclined second convex block (6 a 5), and two side surfaces of the second wedge block (6 a 6) are respectively provided with second inclined grooves (6 a 7) for the second convex strips (6 a 4) to be embedded in;
the number of the first guide grooves (3 a 1) and the guide bearings (11 a) of the first drive ring (5 a) is 4, the number of the second guide grooves (3 a 2) and the guide bearings (11 a) of the second drive ring (6 a) is 4, the first guide groove (3 a 1) and the second guide groove (3 a 2) are inclined grooves, the 4 first guide grooves (3 a 1) are arranged in parallel, the second guide grooves (3 a 2) are arranged in parallel, the first guide grooves (3 a 1) and the second guide grooves (3 a 2) are arranged in parallel, the first guide groove (3 a 1) and the second guide groove (3 a 2) are arranged at intervals, the number of the first driving cylinders (7 a) is 2, the first driving cylinders are respectively symmetrically arranged at two sides of the main shaft (2), the number of the second driving cylinders (8 a) is 2, and the second driving cylinders are symmetrically arranged on two sides of the main shaft (2) respectively;
two sides of a piston rod of the driving cylinder are symmetrically provided with 2 guide shafts (13 a) which are respectively sleeved with a spring (12 a), the rear ends of the guide shafts (13 a) are fixedly connected with a cylinder body of the driving cylinder, the front end of each guide shaft (13 a) is provided with a baffle (14 a), the front ends of the 2 guide shafts (13 a) respectively penetrate through the baffles (14 a), and the baffles (14 a) are fixedly connected with a piston head of the driving cylinder;
chuck (4) front end face is provided with four pairs of slide rail (21) along circumference equidistant, is provided with mobilizable slider (22) in this slide rail (21) respectively, it has the through-hole to open respectively on chuck (4) at slider (22) rear, first voussoir (5 a 6), second voussoir (6 a 6) pass the through-hole of chuck (4) respectively and be connected with slider (22) rear surface mounting, a clamping jaw (23) is installed respectively to slider (22) front surface.
2. The rotatable chuck for laser cutting of claim 1, wherein: the outer side surface of the main shaft (2) is uniformly provided with a plurality of rib plates in the circumferential direction, and the first wedge block (5 a 6) and the second wedge block (6 a 6) are respectively positioned between the two rib plates of the main shaft (2).
3. The rotatable chuck for laser cutting of claim 1, wherein: the rear surface of the sliding block (22) is respectively provided with a shallow groove, and the front ends of the first wedge block (5 a 6) and the second wedge block (6 a 6) are respectively tightly matched with the shallow groove on the rear surface of the sliding block (22) and are connected through a plurality of screws.
4. The rotatable chuck for laser cutting of claim 1, wherein: the first bearing (5 a 2) and the second bearing (6 a 2) are both crossed roller bearings.
5. The rotatable chuck for laser cutting of claim 1, wherein: the 4 first guide grooves (3 a 1) are arranged at equal intervals in the circumferential direction.
6. The rotatable chuck for laser cutting of claim 1, wherein: the 4 second guide grooves (3 a 2) are arranged at equal intervals in the circumferential direction.
7. The rotatable chuck for laser cutting of claim 1, wherein: the guide bearing (11 a) is a deep groove ball bearing.
8. The rotatable chuck for laser cutting of claim 1, wherein: the rear end of the first driving cylinder (7 a) is connected with the frame (1) through a spherical bearing.
9. The rotatable chuck for laser cutting of claim 1, wherein: the rear end of the second driving cylinder (8 a) is connected with the frame (1) through a spherical bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361306.XA CN108161244B (en) | 2017-12-18 | 2017-12-18 | Rotatable chuck for laser cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711361306.XA CN108161244B (en) | 2017-12-18 | 2017-12-18 | Rotatable chuck for laser cutting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108161244A CN108161244A (en) | 2018-06-15 |
| CN108161244B true CN108161244B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711361306.XA Active CN108161244B (en) | 2017-12-18 | 2017-12-18 | Rotatable chuck for laser cutting |
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| Country | Link |
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| CN (1) | CN108161244B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114083327B (en) * | 2021-11-18 | 2022-11-25 | 安徽科汇钢结构工程有限公司 | Cutting device for processing latticed column parts |
| CN115026373A (en) * | 2022-06-15 | 2022-09-09 | 中国铁建重工集团股份有限公司 | Automatic cutting equipment for ring parts |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU837589A1 (en) * | 1979-09-07 | 1981-06-15 | Предприятие П/Я А-1264 | Pneumatic chuck |
| CN202639657U (en) * | 2012-07-10 | 2013-01-02 | 武汉畅想控制软件有限公司 | Laser cutting and carving machine fixture for numerical control pipes |
| CN205520115U (en) * | 2015-12-30 | 2016-08-31 | 大族激光科技产业集团股份有限公司 | Air chuck device and have laser pipe cutting machine of this air chuck device |
| CN206083896U (en) * | 2016-08-31 | 2017-04-12 | 常州倍得福机械科技有限公司 | Automatic chuck |
| CN106239009A (en) * | 2016-09-19 | 2016-12-21 | 东莞市力星激光科技有限公司 | A kind of manual four claw double-linkage self-centering chucks |
| CN206277022U (en) * | 2016-11-28 | 2017-06-27 | 青岛科技大学 | A kind of self-centering chuck formula soldering cramping apparatus for the weldering of bend pipe TIG/MIG automatic butts |
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2017
- 2017-12-18 CN CN201711361306.XA patent/CN108161244B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108161244A (en) | 2018-06-15 |
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