CN214079832U - Robot operation arm for cutting operation - Google Patents
Robot operation arm for cutting operation Download PDFInfo
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- CN214079832U CN214079832U CN202023276401.XU CN202023276401U CN214079832U CN 214079832 U CN214079832 U CN 214079832U CN 202023276401 U CN202023276401 U CN 202023276401U CN 214079832 U CN214079832 U CN 214079832U
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- optical fiber
- arm
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- fiber collimator
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Abstract
The utility model discloses a robot operation arm for cutting operation, when the utility model is used, a fiber laser emits laser, the laser is transmitted to a fiber collimator through optical fiber, the fiber collimator emits collimated laser, and the fiber collimator is aligned to a metal piece to be cut to cut; the optical fiber collimator can be aligned to a plurality of different directions through the matching of the electric turntable and the first joint, and the omnibearing irradiation cutting can be basically met; the electric telescopic machine and the second joint provide a fine adjustment function of the alignment direction of the optical fiber collimator; through the mode with laser instrument and the components of a whole that can function independently of emergent piece, can set up the high power fiber laser of the big weight of bulky on the base, only set up very light very little fiber collimator at robotic arm's motion end, fiber collimator only is responsible for emergent laser for the load of third arm is very little, and it is right to need not to consider fiber laser's weight the utility model discloses the influence of cutting flexibility ratio.
Description
Technical Field
The utility model relates to an electric power system and equipment field, concretely relates to cutting operation is with operation of robot arm.
Background
In the traditional laser cutting, a high-power laser with larger volume and weight is needed when high-hardness and high-density objects (such as metal plates and alloy plates) need to be cut, and if a flexible multi-joint mechanical arm is used for operating the laser, the laser with larger volume and weight is difficult to be installed on a moving end head of the mechanical arm; even if the mounting is possible, the flexibility of the sport head is affected or an excessive volume on the sport head is occupied.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a cutting operation is with robot operation arm, the volume weight of unnecessary considering the laser instrument in articulated robotic arm's cutting is used.
A robot operation arm for cutting operation comprises a base, a rotating base, a first arm, a first joint, a second arm, a third arm, an optical fiber laser, an optical fiber and an optical fiber collimator;
the base is interconnected with the rotating base through an electric rotating disc, the top end of the rotating base is fixed to the bottom of the first arm, the top end of the first arm is interconnected with the fixed portion of the first joint, the movable portion of the first joint is interconnected with one end of the second arm, the other end of the second arm is interconnected with one end of the third arm through an electric telescopic machine, the other end of the third arm is interconnected with the fixed portion of the second joint, and the movable portion of the second joint is interconnected with the optical fiber collimator; the optical fiber laser is arranged on the rotating base or the base, and the optical fiber laser and the optical fiber collimator are interconnected through the optical fiber;
the rotating shaft of the first joint is perpendicular to the rotating shaft of the electric rotating disc, and the rotating shaft of the second joint is parallel to the rotating shaft of the first joint.
Further, the optical fiber connector further comprises a fixing piece, wherein the fixing piece is arranged on the first joint, and one part of the optical fiber is fixed on the fixing piece.
Furthermore, the fiber laser adopts a fiber laser with adjustable power.
Furthermore, the periphery of the optical fiber outer cladding layer is wrapped with a metal surrounding layer.
Furthermore, the fixing piece adopts an electromagnet, and a part of the metal surrounding layer of the optical fiber is adsorbed on the fixing piece.
Furthermore, an electromagnetic adsorption device is arranged on the second joint, and a part of the metal surrounding layer of the optical fiber is adsorbed on the electromagnetic adsorption device.
The beneficial effects of the utility model are embodied in: when the utility model is used, the fiber laser emits laser, the laser is transmitted to the fiber collimator through the optical fiber, the fiber collimator emits collimated laser, and the fiber collimator is aligned to a metal piece to be cut to cut;
the base rotates to drive the first arm, the second arm, the third arm and the optical fiber collimator to rotate by taking a rotating shaft of the electric turntable as a shaft; the first joint enables the second arm, the third arm and the optical fiber collimator to rotate in a direction different from the rotation direction of the electric turntable, and the second arm, the third arm and the optical fiber collimator rotate by taking a rotating shaft of the first joint as an axis; the optical fiber collimator can be aligned to a plurality of different directions through the matching of the electric turntable and the first joint, and the omnibearing irradiation cutting can be basically met;
the electric telescopic machine can enable the third arm to be telescopic relative to the second arm, the second joint can enable the optical fiber collimator to rotate relative to the third arm, and the electric telescopic machine and the second joint provide a fine adjustment function of the alignment direction of the optical fiber collimator;
the electric turntable and the first joint can adjust the alignment direction of the optical fiber collimator to a basically accurate irradiation cutting direction, and when the irradiation cutting position needs to be fine-adjusted, fine adjustment can be realized by adjusting the electric telescopic machine and the second joint;
specifically, the first joint and the second joint can adopt electric rotating joints in the existing robot technology, the electric rotating joints comprise fixed parts and movable parts, and the movable parts output rotating power; the fiber laser adopts a high-power fiber laser to cut the metal piece;
the utility model has the advantages that: through the mode of splitting the laser and the emitting part, the high-power fiber laser with large volume and heavy weight can be arranged on the base, only the very light and small fiber collimator is arranged at the motion end of the mechanical arm, and the fiber collimator is only responsible for emitting laser, so that the load of the third arm is very small, and when the model of the fiber laser needs to be changed, the influence of the weight of the fiber laser on the cutting flexibility of the utility model is not required to be considered; and because the flexible characteristic of optic fibre, as long as guarantee the length of optic fibre enough, no matter how the third arm rotates, stretches out and draws back, the conduction and the outgoing of laser can not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of a main structure provided by an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model provides a robot operation arm for cutting operation, in some embodiments, as shown in fig. 1, including base 1, rotating base 2, first arm 4, first joint 7, second joint 10, second arm 8, third arm 9, fiber laser 3, optic fibre 5 and fiber collimator 11;
the base 1 is interconnected with the rotating base 2 through an electric rotating disc 13, the top end of the rotating base 2 is fixed with the bottom of the first arm 4, the top end of the first arm 4 is interconnected with the fixed part of the first joint 7, the movable part of the first joint 7 is interconnected with one end of the second arm 8, the other end of the second arm 8 is interconnected with one end of the third arm 9 through an electric telescopic machine 12, the other end of the third arm 9 is interconnected with the fixed part of the second joint 10, and the movable part of the second joint 10 is interconnected with the optical fiber collimator 11; the optical fiber laser 3 is arranged on the rotating base 2 or the base 1, and the optical fiber laser 3 and the optical fiber collimator 11 are interconnected through the optical fiber 5;
the rotating shaft of the first joint 7 is perpendicular to the rotating shaft of the electric rotating disc 13, and the rotating shaft of the second joint 10 is parallel to the rotating shaft of the first joint 7.
When the cutting device is used, the optical fiber laser 3 emits laser, the laser is transmitted to the optical fiber collimator 11 through the optical fiber 5, the optical fiber collimator 11 emits collimated laser, and the optical fiber collimator 11 is aligned to a metal piece to be cut;
the base 2 can rotate through the electric turntable 13, and the base 2 can drive the first arm 4, the second arm 8, the third arm 9 and the optical fiber collimator 11 to rotate by taking a rotating shaft of the electric turntable 13 as a shaft; the first joint 7 enables the second arm 8, the third arm 9 and the optical fiber collimator 11 to rotate in a direction different from the rotation direction of the electric turntable 13, and the second arm 8, the third arm 9 and the optical fiber collimator 11 rotate around the rotation shaft of the first joint 7; the optical fiber collimator 11 can be aligned to a plurality of different directions through the matching of the electric rotating disc 13 and the first joint 7, and the omnibearing irradiation cutting can be basically met;
the electric telescopic machine 12 can enable the third arm 9 to be telescopic relative to the second arm 8, the second joint 10 can enable the optical fiber collimator 11 to rotate relative to the third arm 9, and the electric telescopic machine 12 and the second joint 10 provide a fine adjustment function of the alignment direction of the optical fiber collimator 11 for the embodiment;
the electric turntable 13 and the first joint 7 can adjust the alignment direction of the optical fiber collimator 11 to a basically accurate irradiation cutting direction, and when the irradiation cutting position needs to be fine-adjusted, the fine adjustment can be realized by adjusting the electric telescopic machine 12 and the second joint 10;
specifically, the first joint 7 and the second joint 10 may adopt an electric rotary joint in the existing robot technology, the electric rotary joint includes a fixed part and a movable part, and the movable part outputs rotary power; the fiber laser 3 adopts a high-power fiber laser to cut metal parts;
the utility model has the advantages that: in the traditional laser cutting, a laser with larger volume and weight is needed when an object which is difficult to cut needs to be cut, and the laser with larger volume and weight is difficult to be installed on the moving end head of the mechanical arm when a flexible multi-joint mechanical arm is adopted, namely, the moving end head of the flexible multi-joint mechanical arm is difficult to install a high-power laser with larger volume and weight; through the mode of splitting the laser and the emitting part, the high-power fiber laser 3 with large volume and heavy weight can be arranged on the base, the optical fiber collimator 11 which is very light and small is only arranged at the motion end of the mechanical arm, and the optical fiber collimator 11 is only responsible for emitting laser, so that the load of the third arm 9 is very small, and when the model of the fiber laser 3 needs to be changed, the influence of the weight of the fiber laser 3 on the cutting flexibility of the utility model is not needed to be considered; and because of the flexible characteristic of the optical fiber 5, as long as the length of the optical fiber 5 is ensured to be enough, the transmission and the emission of the laser are not influenced no matter how the third arm 9 rotates and stretches.
Preferably, the optical fiber connector further comprises a fixing member 6, wherein the fixing member 6 is disposed on the first joint 7, and a part of the optical fiber 5 is fixed on the fixing member 6. Specifically, the fixture 6 is provided at a fixed portion of the first joint 7, and a portion of the optical fiber 5 is fixed to the fixture 6, so that the optical fiber 5 can be prevented from being entangled when the second arm 8 and the third arm 9 swing.
Preferably, the fiber laser 3 is a fiber laser 3 with adjustable power, the power of the fiber laser 3 is adjusted according to the material to be cut so as to smoothly cut, and the power can be increased when the material is difficult to cut.
Preferably, the outer cladding of the optical fiber 5 is coated with a metal cladding layer, which can enhance the strength of the optical fiber 5, so that the optical fiber 5 is not easily broken.
Further, the mounting 6 adopts the electro-magnet, and a part the metal surrounding layer of optic fibre 5 adsorbs on mounting 6, through the fixed mode of magnetism absorption, can take off optic fibre 5 from mounting 6 at any time in order to make the adjustment, also can utilize the metal surrounding layer as fixed mode by the way, and accessible switching on or off the electricity mode conveniently controls whether the electro-magnet works and adsorbs optic fibre 5.
Specifically, as shown in fig. 1, when a part of the optical fiber 5 is fixed to the fixing member 6, a sufficient length of the optical fiber 5 is left between the fixing member 6 and the fiber laser 3 to prevent the base 2 from rotating with the fiber laser 3 disposed on the base 1 to cause over-tightening of the optical fiber 5, and when the optical fiber 5 is over-tightened, the connection between the optical fiber 5 and the fiber laser 3 may have an excessively large radius of curvature to cause excessive loss of capacity at this point.
More preferably, the second joint 10 is provided with an electromagnetic adsorption device, a part of the metal surrounding layer of the optical fiber 5 is adsorbed on the electromagnetic adsorption device, and a part of the optical fiber 5 is fixed on the second joint 10 to increase a fixing point, so as to prevent the optical fiber part before the optical fiber collimator 11 from being wound.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. A robot operating arm for cutting work, characterized in that: the device comprises a base (1), a rotating base (2), a first arm (4), a first joint (7), a second joint (10), a second arm (8), a third arm (9), a fiber laser (3), an optical fiber (5) and an optical fiber collimator (11);
the base (1) is interconnected with the rotating base (2) through an electric rotating disc (13), the top end of the rotating base (2) is fixed to the bottom of the first arm (4), the top end of the first arm (4) is interconnected with the fixed part of the first joint (7), the movable part of the first joint (7) is interconnected with one end of the second arm (8), the other end of the second arm (8) is interconnected with one end of the third arm (9) through an electric telescopic machine (12), the other end of the third arm (9) is interconnected with the fixed part of the second joint (10), and the movable part of the second joint (10) is interconnected with the optical fiber collimator (11); the optical fiber laser (3) is arranged on the rotating base (2) or the base (1), and the optical fiber laser (3) and the optical fiber collimator (11) are interconnected through the optical fiber (5);
the rotating shaft of the first joint (7) is perpendicular to the rotating shaft of the electric rotating disc (13), and the rotating shaft of the second joint (10) is parallel to the rotating shaft of the first joint (7).
2. The robot manipulator for cutting work according to claim 1, characterized in that: the optical fiber connector further comprises a fixing piece (6), wherein the fixing piece (6) is arranged on the first joint (7), and one part of the optical fiber (5) is fixed on the fixing piece (6).
3. The robot manipulator for cutting work according to claim 2, characterized in that: the fiber laser (3) adopts a fiber laser (3) with adjustable power.
4. The robot manipulator for cutting work according to claim 3, characterized in that: the periphery of the outer cladding layer of the optical fiber (5) is coated with a metal surrounding layer.
5. The robot manipulator for cutting work according to claim 4, characterized in that: the fixing piece (6) adopts an electromagnet, and a part of the metal surrounding layer of the optical fiber (5) is adsorbed on the fixing piece (6).
6. The robot manipulator for cutting work according to claim 5, characterized in that: an electromagnetic adsorption device is arranged on the second joint (10), and a part of the metal surrounding layer of the optical fiber (5) is adsorbed on the electromagnetic adsorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276401.XU CN214079832U (en) | 2020-12-30 | 2020-12-30 | Robot operation arm for cutting operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023276401.XU CN214079832U (en) | 2020-12-30 | 2020-12-30 | Robot operation arm for cutting operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214079832U true CN214079832U (en) | 2021-08-31 |
Family
ID=77435179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023276401.XU Active CN214079832U (en) | 2020-12-30 | 2020-12-30 | Robot operation arm for cutting operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214079832U (en) |
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2020
- 2020-12-30 CN CN202023276401.XU patent/CN214079832U/en active Active
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