CN221312940U - Pneumatic chuck for laser pipe cutting machine - Google Patents
Pneumatic chuck for laser pipe cutting machine Download PDFInfo
- Publication number
- CN221312940U CN221312940U CN202323232053.XU CN202323232053U CN221312940U CN 221312940 U CN221312940 U CN 221312940U CN 202323232053 U CN202323232053 U CN 202323232053U CN 221312940 U CN221312940 U CN 221312940U
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- gear
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- rack
- cutting machine
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- 238000005520 cutting process Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims 1
- 210000000078 claw Anatomy 0.000 abstract description 12
- 238000003698 laser cutting Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a pneumatic chuck for a laser pipe cutting machine in the field of laser cutting, which comprises a driving part, an air path part and a centering clamping mechanism, wherein the centering clamping mechanism comprises a mounting plate and a rotary table which are arranged correspondingly to each other, four air cylinders are arranged between the mounting plate and the rotary table, a cylinder body of each air cylinder is arranged on the mounting plate through a rotating shaft, a piston rod of each air cylinder is connected with a gear ring through a connecting shaft, a duplex gear is arranged above the corresponding air cylinder, the duplex gear is arranged on the rotary table through a mounting seat, the duplex gear comprises an upper gear and a lower gear, the upper gear is meshed with a rack, the lower gear is meshed with a gear ring, the rack is in sliding connection with the rotary table, and a claw is arranged on one side of the rack facing outwards and is arranged towards the center of the rotary table. The utility model has the advantages of accurate transmission ratio, uniform clamping force and the like.
Description
Technical Field
The utility model belongs to the technical field of laser cutting, and particularly relates to a pneumatic chuck for a laser pipe cutting machine.
Background
The laser cutting is to focus the laser beam generated by the laser through the lens, and the laser beam is focused into a tiny light spot at the focus, wherein the light spot heats the plate, and the cutting of the material is completed along with the movement of the light beam to the material.
The laser pipe cutting machine is mainly used for cutting conventional pipe fittings and profiles with complex shapes, such as I-steel, L-steel and the like. Traditional processing such as sawing, flame, plasma and other cutting modes cannot meet the pipe processing requirements due to poor processing precision and low efficiency, and along with the development of industry and improvement of automation requirements, a full-automatic numerical control laser pipe cutting machine is generated. One of the core components of the laser pipe cutting machine is a chuck, the chuck is a special fixture for machining and is mainly used for fixing a machined workpiece, the chuck consists of a driving part, an air path part and a centering clamping mechanism, and when the laser pipe cutting machine works, a motor of the driving part drives a gear to rotate, so that the clamped workpiece can be machined in multiple directions, and the laser pipe cutting machine is characterized in that: the existing centering clamping mechanism comprises a connecting rod type and a chain type, the connecting rod type centering clamping mechanism drives a claw by means of a connecting rod, a dead point exists when the connecting rod rotates, and the clamping force is uneven; the chain type centering clamping mechanism has low precision and needs to tighten the chain for a long time.
Disclosure of utility model
The utility model aims to provide a pneumatic chuck for a laser pipe cutting machine, which has the advantages of accurate transmission ratio, uniform clamping force and the like.
The purpose of the utility model is realized in the following way: the utility model provides a pneumatic chuck for laser pipe cutting machine, includes drive portion, gas circuit part and centering clamping mechanism, centering clamping mechanism is including mounting panel and the carousel that corresponds the setting each other, corresponds be provided with four cylinders between mounting panel and the carousel, the cylinder body of cylinder passes through the pivot setting on the mounting panel, the piston rod of cylinder passes through the connecting axle and is connected with the ring gear, corresponds the cylinder top is provided with the duplicate gear, the duplicate gear passes through the mount pad setting on the carousel, the duplicate gear includes gear and lower gear, gear and rack engagement, gear and ring gear engagement down, rack and carousel sliding connection, the outside one side of rack is provided with the jack catch, the jack catch sets up towards the carousel center.
When the chuck is used, the cylinder piston rod stretches out or retracts back to drive the gear ring to rotate for a certain angle, the gear ring is meshed with the duplex gear, the duplex gear rotates to drive the rack to conduct linear motion, the claw synchronously reciprocates along with the rack to finish loosening and clamping actions in rotation of the chuck, the pneumatic chuck can enable a workpiece to keep a certain position and direction in the laser cutting process, and the driving part drives the centering clamping mechanism and the workpiece to rotate so as to conduct laser cutting. Compared with the prior art, the utility model has the beneficial effects that: the centering clamping mechanism adopts gear transmission, has accurate transmission ratio, uniform clamping force and simple structure, and does not have dead points; the four cylinders stretch out and draw back, can stabilize the centre gripping and carry out laser cutting to the work piece, safe high-efficient, accurate controllable has greatly improved laser cutting efficiency.
As a further improvement of the utility model, the gear ring comprises an upper gear ring and a lower gear ring, the connecting shaft comprises a connecting long shaft and a connecting short shaft, four cylinders are distributed on the mounting plate in a parallelogram, wherein piston rods of two parallel cylinders are connected with the upper gear ring through the connecting long shaft, and piston rods of the other two parallel cylinders are connected with the lower gear ring through the connecting short shaft.
As a further improvement of the utility model, the rotary table is provided with a containing groove corresponding to the rack, the upper side of the rack is in sliding connection with the pressing plate, the lower side of the rack is in sliding connection with the wear-resisting plate, and the pressing plate and the wear-resisting plate are both arranged in the containing groove.
As a further improvement of the utility model, the driving part comprises a servo motor, the output end of the servo motor is connected with a speed reducer, the output end of the speed reducer is coaxially provided with a driving gear, the driving gear is meshed with a driven gear, and the driven gear is connected with the air path part through a crossed roller bearing.
As a further improvement of the utility model, the air path part comprises a fixed air ring and a movable air ring which are concentrically assembled, an air inlet channel and an air outlet channel are separated between the fixed air ring and the movable air ring by arranging three rotary sealing rings, annular grooves are respectively arranged on the fixed air ring and the movable air ring corresponding to the three rotary sealing rings, and cylinder joints are respectively arranged on one outwards side of the movable air ring corresponding to the four cylinders and are connected with the mounting plate.
As a further improvement of the utility model, the crossed roller bearing comprises an inner ring and an outer ring, wherein the outer ring is connected with the base to serve as a fixed end, one side of the inner ring is connected with the driven gear, and the other side of the inner ring is connected with the dynamic air ring to serve as a rotating end.
As a further improvement of the utility model, the base is provided with a dust-proof shield, a suspension ring screw and an air supply joint.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a schematic perspective view of the centering and clamping mechanism of the present utility model.
Fig. 4 is a schematic perspective view of a driving part of the present utility model.
Fig. 5 is an exploded view of the gas circuit portion of the present utility model.
The device comprises a servo motor 1, a speed reducer 2, a dustproof shield 3, a base 4, a driving gear 5, a driven gear 6, a lifting screw 7, a rotary table 8, a crossed roller bearing 9, a rotary sealing ring 10, a fixed gas ring 11, a movable gas ring 12, a gas supply joint 13, a gas cylinder joint 14, a pressing plate 15, a gear ring 16, a long shaft 17, a mounting plate 18, a gas cylinder 19, a rotary shaft 20, a mandrel 21, a short shaft 22, a gear mounting seat 23, a duplex gear 24, a rack 25, a wear-resisting plate 26 and a clamping jaw 27.
Detailed Description
As shown in fig. 1-3, the pneumatic chuck for the laser pipe cutting machine comprises a driving part, an air path part and a centering clamping mechanism, wherein the centering clamping mechanism comprises a mounting plate 18 and a turntable 8 which are arranged correspondingly to each other, four cylinders 19 which are distributed in a parallelogram are arranged between the corresponding mounting plate 18 and the turntable 8, the cylinder bodies of the cylinders 19 are arranged on the mounting plate 18 through rotating shafts 20, the piston rods of the cylinders 19 are connected with a gear ring 16 through connecting shafts, the gear ring 16 is supported on the mounting plate 18 through a mandrel 21, preferably, the gear ring 16 comprises an upper gear ring and a lower gear ring, the connecting shafts comprise a connecting long shaft 17 and a connecting short shaft 22, the piston rods of two cylinders 19 which are parallel to each other are connected with the upper gear ring through the connecting long shaft 17, and the piston rods of the other two cylinders 19 which are parallel to each other are connected with the lower gear ring through the connecting short shaft 22; a duplex gear 24 is arranged above the corresponding air cylinder 19, the duplex gear 24 is arranged on the rotary table 8 through a mounting seat 23, the duplex gear 24 comprises an upper gear and a lower gear, the upper gear is meshed with a rack 25, the lower gear is meshed with a gear ring 16, the rotary table 8 is provided with a containing groove corresponding to the rack 25, the upper side of the rack 25 is in sliding connection with the pressing plate 15, the lower side of the rack 25 is in sliding connection with the wear-resisting plate 26, and the pressing plate 15 and the wear-resisting plate 26 are both arranged in the containing groove; the claw 27 towards the center of the turntable 8 is arranged on one outward side of the rack 25, the claw 27 is provided with a roller, the surface of a workpiece is not damaged when the chuck feeds and feeds materials through the rolling of the roller, and the processing quality is ensured.
The following describes the driving part in detail with reference to fig. 4, the driving part includes a servo motor 1, an output end of the servo motor 1 is connected with a speed reducer 2, a driving gear 5 is coaxially arranged at an output end of the speed reducer 2, the driving gear 5 is meshed with a driven gear 6, and the driven gear 6 is connected with the air path part through a crossed roller bearing 9.
The driving part is described in detail below with reference to fig. 5, the air path part comprises a fixed air ring 11 and a movable air ring 12 which are assembled concentrically, an air inlet channel and an air outlet channel are separated between the fixed air ring 11 and the movable air ring 12 by arranging three rotary sealing rings 10, annular grooves are formed in the fixed air ring 11 and the movable air ring 12 corresponding to the three rotary sealing rings 10, and air cylinder joints 14 are arranged in the side, facing outwards, of the movable air ring 12 corresponding to four air cylinders 19 and are connected with a mounting plate 18; the crossed roller bearing 9 comprises an inner ring and an outer ring, the outer ring is connected with the base 4 to serve as a fixed end, one side of the inner ring is connected with the driven gear 6, and the other side of the inner ring is connected with the dynamic air ring 12 to serve as a rotating end; the base 4 is provided with a dustproof shield 3, a suspension ring screw 7 and an air supply joint 13.
When the utility model is used, the servo motor 1 works, and the driving gear 5 coaxially arranged with the output end of the speed reducer 2 is meshed with the driven gear 6, so as to drive the inner ring, the moving air ring 12 and the centering clamping mechanism to rotate; the cylinder 19 is ventilated, the piston rod of the cylinder is ejected or retracted to enable the gear ring 16 to rotate a certain angle, the gear ring 16 drives the duplex gear 24 to rotate, the rack 25 moves linearly, the claw 27 on the rack 25 moves linearly synchronously relative to the turntable 8, and the clamping or loosening action is completed; the four clamping claws 27 form two pairs of self-centering opposite-grabbing pneumatic chucks, when the chucks clamp and loosen workpieces, the two clamping claws 27 which are oppositely arranged can be linked together to realize the self-centering function, the strokes of the two pairs of clamping claws 27 are independent, and the self-centering clamping function on rectangular pipes and special pipes can be realized. The utility model has the advantages that: the special-shaped pipe is clamped by adopting a double gear ring 16 structure, one layer of gear ring 16 is meshed with a pair of clamping claws 27, such as rectangular pipes and I-steel, when clamping is convenient, the stroke of the pair of clamping claws 27 is different, and the problem that the clamping claws 27 are synchronous in place is solved; in order to ensure the air inlet, an air channel part is arranged in a chuck, a sealing ring groove and an air channel groove are processed on the inner side of a gas ring 11, and two air channels are separated by a rotary sealing ring 10 by means of three shafts for air inlet and air outlet; the workpiece is clamped while laser cutting is performed, and the rapid clamping and loosening actions of the workpiece are realized through side air inlet; when the pipe cutting machine works, the cylinder 19 pushes the gear ring 16, the gear ring 16 drives the gear to rotate, the gear transmission structure is compact, the transmission ratio is stable, the service life is long, and the machining efficiency and the machining precision of the pipe cutting machine can be improved.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (7)
1. The utility model provides a pneumatic chuck for laser pipe cutting machine, includes drive portion, gas circuit part and centering clamping mechanism, its characterized in that, centering clamping mechanism is including mounting panel and the carousel that corresponds each other and set up, corresponds be provided with four cylinders between mounting panel and the carousel, the cylinder body of cylinder passes through the pivot setting on the mounting panel, the piston rod of cylinder passes through the connecting axle and is connected with the ring gear, corresponds the cylinder top is provided with duplex gear, duplex gear passes through the mount pad setting on the carousel, duplex gear includes gear and lower gear, go up gear and rack engagement, gear and ring gear meshing down, rack and carousel sliding connection, the outside one side of rack is provided with the jack catch, the jack catch sets up towards the carousel center.
2. The air chuck for a laser pipe cutting machine according to claim 1, wherein the gear ring comprises an upper gear ring and a lower gear ring, the connecting shaft comprises a connecting long shaft and a connecting short shaft, four cylinders are distributed on the mounting plate in a parallelogram shape, wherein piston rods of two parallel cylinders are connected with the upper gear ring through the connecting long shaft, and piston rods of the other two parallel cylinders are connected with the lower gear ring through the connecting short shaft.
3. The pneumatic chuck for a laser pipe cutting machine according to claim 1, wherein the turntable is provided with a containing groove corresponding to the rack, the upper side of the rack is slidably connected with the pressing plate, the lower side of the rack is slidably connected with the wear-resistant plate, and the pressing plate and the wear-resistant plate are both arranged in the containing groove.
4. The air chuck for a laser pipe cutting machine according to claim 1, wherein the driving part comprises a servo motor, an output end of the servo motor is connected with a speed reducer, a driving gear is coaxially arranged at the output end of the speed reducer, the driving gear is meshed with a driven gear, and the driven gear is connected with the air path part through a crossed roller bearing.
5. The air chuck for the laser pipe cutting machine according to claim 1, wherein the air path part comprises an air ring and an air moving ring which are assembled concentrically, an air inlet channel and an air outlet channel are separated between the air ring and the air moving ring by arranging three rotary sealing rings, annular grooves are formed in the air ring and the air moving ring corresponding to the three rotary sealing rings, and air cylinder joints are arranged on one outwards side of the air moving ring corresponding to the four air cylinders and are connected with the mounting plate.
6. The air chuck for a laser pipe cutting machine as set forth in claim 4, wherein said crossed roller bearing comprises an inner ring and an outer ring, said outer ring being connected to said base as a fixed end, one side of said inner ring being connected to said driven gear, and the other side of said inner ring being connected to said moving air ring as a rotating end.
7. The air chuck for a laser pipe cutting machine as set forth in claim 6, wherein said base is provided with a dust shield, a eye screw and an air supply connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323232053.XU CN221312940U (en) | 2023-11-29 | 2023-11-29 | Pneumatic chuck for laser pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323232053.XU CN221312940U (en) | 2023-11-29 | 2023-11-29 | Pneumatic chuck for laser pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221312940U true CN221312940U (en) | 2024-07-12 |
Family
ID=91789205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323232053.XU Active CN221312940U (en) | 2023-11-29 | 2023-11-29 | Pneumatic chuck for laser pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221312940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118926729A (en) * | 2024-08-30 | 2024-11-12 | 天津太航金属材料有限公司 | Aviation product parts processing device |
| CN119347182A (en) * | 2024-12-24 | 2025-01-24 | 锐卡(常州)科技有限公司 | A laser tube cutting machine with fast clamping and ventilation double-sided chuck |
-
2023
- 2023-11-29 CN CN202323232053.XU patent/CN221312940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118926729A (en) * | 2024-08-30 | 2024-11-12 | 天津太航金属材料有限公司 | Aviation product parts processing device |
| CN119347182A (en) * | 2024-12-24 | 2025-01-24 | 锐卡(常州)科技有限公司 | A laser tube cutting machine with fast clamping and ventilation double-sided chuck |
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| GR01 | Patent grant | ||
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