CN217316443U

CN217316443U - Laser cutting arm of industrial robot

Info

Publication number: CN217316443U
Application number: CN202220328875.4U
Authority: CN
Inventors: 何冬康; 温俊霞; 关来德; 邓其贵; 甘霖; 夏雨
Original assignee: Liuzhou Vocational and Technical College
Current assignee: Liuzhou Vocational and Technical College
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-30
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses an industrial robot's laser cutting arm, including arm, laser cutting head and anticollision institution, anticollision institution includes mount pad and actuating mechanism, the bottom of mount pad is rotated through the bearing and is connected with connecting sleeve, crashproof board one is installed to connecting sleeve's bottom symmetry, install the rubber slab on crashproof board one's the outer wall, crashproof board one's inboard is provided with crashproof board two, crashproof board two's top is provided with telescopic machanism, telescopic machanism includes fixed block and iron movable block, the center department of fixed block alternates and is provided with the slide bar, the outside cover of slide bar is equipped with the spring. The utility model discloses a mount pad, motor, gear, ring gear, connecting sleeve, telescopic machanism, anticollision board one, rubber slab and anticollision board two have realized diversified anticollision, and the anticollision is effectual, can effectively avoid the laser cutting head because the striking and the possibility of damaging.

Description

Laser cutting arm of industrial robot

Technical Field

The utility model relates to an industrial robot field, concretely relates to industrial robot's laser cutting arm.

Background

An industrial robot is a multi-joint manipulator or multi-degree-of-freedom machine device widely used in the industrial field, has certain automaticity, can realize various industrial processing and manufacturing functions by depending on the self power energy and control capability, and can utilize the industrial robot in the field of laser cutting

When the existing laser cutting arm of an industrial robot is used, due to the reasons of irregularity of a cut material, failure of a circuit, too high moving speed of the device and the like, the phenomenon that the laser cutting head is damaged due to collision of the laser cutting head with a workpiece and the like occurs.

Therefore, it is necessary to invent a laser cutting arm of an industrial robot to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an industrial robot's laser cutting arm to solve current industrial robot's laser cutting arm when using, owing to by reasons such as the irregularity of cutting material, the failure of circuit, device translation rate are too fast, the problem that laser cutting head and work piece etc. bump and lead to laser cutting head to damage appears.

In order to achieve the above object, the present invention provides the following technical solutions: a laser cutting arm of an industrial robot comprises a mechanical arm, a laser cutting head and an anti-collision mechanism, wherein the anti-collision mechanism comprises a mounting seat and a driving mechanism, the bottom of the mounting seat is rotatably connected with a connecting sleeve through a bearing, an anti-collision plate I is symmetrically mounted at the bottom of the connecting sleeve, a rubber plate is mounted on the outer wall of the anti-collision plate I, an anti-collision plate II is arranged on the inner side of the anti-collision plate I, a telescopic mechanism is arranged above the anti-collision plate II and comprises a fixed block and an iron moving block, the fixed block is fixedly connected with the inner wall of the anti-collision plate I, a sliding rod is arranged at the center of the fixed block in an inserting mode and is connected with the fixed block in a sliding mode, a spring is sleeved on the outer side of the sliding rod and clamped between the fixed block and the iron moving block, and the bottom end of the sliding rod is fixedly connected with the iron moving block, the bottom of the iron moving block is fixedly connected with the top of the second anti-collision plate, the driving mechanism comprises a motor and a gear ring, the gear ring is sleeved on the lower portion of the connecting sleeve and is fixedly connected with the connecting sleeve, an output shaft of the motor is in keyed connection with a gear, and the gear is in meshed connection with the gear ring.

Preferably, electromagnets are symmetrically installed on the outer side of the fixed block, and the electromagnets are electrically connected with a controller for controlling the mechanical arm to work through a lead.

Preferably, the motor is fixedly connected with the outer wall of the mounting seat, a protective cover is arranged on the outer side of the motor, and the protective cover is fixedly connected with the outer wall of the mounting seat.

Preferably, the top of the sliding rod is provided with a limit baffle, and the limit baffle is fixedly connected with the sliding rod.

Preferably, a through groove is formed in the center of the mounting seat, the laser cutting head is arranged in the through groove, a flange plate is mounted on the upper portion of the laser cutting head, and the flange plate is connected with the mounting seat through a fixing bolt.

Preferably, the outside that leads to the groove is seted up and is used for matching the screw thread blind hole of fixing bolt, the quantity of screw thread blind hole is provided with a plurality of, the screw thread blind hole equipartition is at the mount pad top.

Preferably, a support plate is installed at one end of the mechanical arm and is fixedly connected with the installation seat.

In the technical scheme, the utility model provides a technological effect and advantage:

1. through the mounting seat, the motor, the gear ring, the connecting sleeve, the telescopic mechanism, the first anti-collision plate, the rubber plate and the second anti-collision plate, multi-directional anti-collision is realized, the anti-collision effect is good, and the possibility that the laser cutting head is damaged due to collision can be effectively avoided;

2. through electrifying the electromagnet, the iron moving block drives the anti-collision plate to operate upwards, so that the laser cutting head can be exposed, and the workpiece cutting is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the collision avoidance mechanism of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the position B in fig. 2 according to the present invention.

Description of reference numerals:

1. a mechanical arm; 2. a laser cutting head; 3. an anti-collision mechanism; 4. a support plate; 5. a protective cover; 6. a ring gear; 7. a gear; 8. a flange plate; 9. a motor; 10. a mounting seat; 11. a connecting sleeve; 12. a first anti-collision plate; 13. a rubber plate; 14. an iron moving block; 15. a second anti-collision plate; 16. a slide bar; 17. a fixed block; 18. an electromagnet; 19. a limit baffle; 20. a spring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a laser cutting arm of an industrial robot as shown in figures 1-4, which comprises a mechanical arm 1, a laser cutting head 2 and an anti-collision mechanism 3, wherein the anti-collision mechanism 3 comprises a mounting seat 10 and a driving mechanism, the bottom of the mounting seat 10 is rotationally connected with a connecting sleeve 11 through a bearing, the bottom of the connecting sleeve 11 is symmetrically provided with a first anti-collision plate 12, the outer wall of the first anti-collision plate 12 is provided with a rubber plate 13 which has a buffering effect and can improve the anti-collision effect, the inner side of the first anti-collision plate 12 is provided with a second anti-collision plate 15, the first anti-collision plate 12 and the second anti-collision plate 15 are both arc-shaped plates, a telescopic mechanism is arranged above the second anti-collision plate 15 and comprises a fixed block 17 and an iron moving block 14, the fixed block 17 is fixedly connected with the inner wall of the first anti-collision plate 12, the center of the fixed block 17 is provided with a sliding rod 16 in an inserting way, the utility model discloses a safety protection device for a mechanical arm, including a slide bar 16, a fixed block 17, a spring 20, a driving mechanism, a connecting sleeve 11, a gear 7, a gear 6, a support plate 4, a mounting seat 10, a limit baffle 19, a spring 20, a motor 9 and a gear ring 6, wherein the slide bar 16 is connected with the fixed block 17 in a sliding manner, the outer side cover of the slide bar 16 is provided with the spring 20, the spring 20 is clamped between the fixed block 17 and the iron moving block 14, the bottom end of the slide bar 16 is fixedly connected with the iron moving block 14, the bottom of the iron moving block 14 is fixedly connected with the top of an anti-collision plate two 15, the driving mechanism comprises the motor 9 and the gear ring 6, the gear ring 6 is sleeved on the lower part of the connecting sleeve 11 and is fixedly connected with the connecting sleeve 11, the output shaft key of the motor 9 is connected with the gear 7, the gear 7 is meshed with the gear ring 6, one end of the mechanical arm 1 is provided with the support plate 4, the support plate is fixedly connected with the mounting seat 10, the mounting seat 10 is conveniently fixed, further, in the technical scheme, the top of the slide bar 16 is provided with the limit baffle 19, the sliding bar 16, which acts to restrain ferrous moving mass 14.

Further, in the above technical scheme, the electromagnets 18 are symmetrically installed on the outer side of the fixed block 17, the electromagnets 18 are electrically connected with a controller for controlling the operation of the mechanical arm 1 through a lead, when laser cutting is performed, the controller firstly energizes the electromagnets 18, and the iron moving block 14 drives the second anti-collision plate 15 to move upwards under the action of magnetic force, so that the laser cutting head 2 is exposed, and the laser cutting head 2 is favorable for cutting a workpiece.

Further, in the above technical scheme, the outer wall fixed connection of motor 9 and mount pad 10, the outside of motor 9 is provided with protection casing 5, protection casing 5 and the outer wall fixed connection of mount pad 10 utilize protection casing 5 to protect motor 9, can effectively reduce the probability that motor 9 received the striking.

Further, in above-mentioned technical scheme, the center department of mount pad 10 is provided with logical groove, just laser cutting head 2 sets up at logical inslot, ring flange 8 is installed on the upper portion of laser cutting head 2, ring flange 8 is connected with mount pad 10 through fixing bolt, the screw thread blind hole that is used for matcing fixing bolt is offered in the outside that leads to the groove for mounting ring flange 8, the quantity of screw thread blind hole is provided with a plurality of, screw thread blind hole equipartition adopts bolted connection to fix laser cutting head 2 on mount pad 10 at mount pad 10 top, and it is convenient to dismantle, the later maintenance laser cutting head 2 of being convenient for or anticollision institution 3.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, when the mechanical arm 1 drives the laser cutting head 2 to move, the gear 7 is controlled by the motor 9 to be in meshing transmission with the gear ring 6, the gear ring 6 drives the connecting sleeve 11, the first anticollision plate 12 is rotated to the direction consistent with the moving direction of the laser cutting head 2, i.e. if the laser cutting head 2 is moved longitudinally in the horizontal direction, the first anti-collision plate 12 will rotate until the longitudinal direction is consistent with the moving direction of the laser cutting head 2, when the laser cutting head 2 is impacted laterally, the impact force can be effectively reduced by utilizing the first anti-collision plate 12 and the rubber plate 13, when the laser cutting head 2 moves vertically downwards, the second anti-collision plate 15 is firstly contacted with a workpiece, due to the interaction force, the sliding rod 16 drives the second anti-collision plate 15 to move upwards, the impact force is absorbed by the aid of the spring 20 in a buffering mode, the anti-collision effect is good, and the possibility that the laser cutting head 2 is damaged due to collision can be effectively avoided;

referring to the attached figures 1, 2 and 3 of the specification, when laser cutting is carried out, the controller firstly energizes the electromagnet 18, and the iron moving block 14 drives the second anti-collision plate 15 to move upwards under the action of magnetic force, so that the laser cutting head 2 is exposed, and the laser cutting head 2 is favorable for cutting a workpiece.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an industrial robot's laser cutting arm, includes arm (1), laser cutting head (2) and anticollision institution (3), its characterized in that: the anti-collision mechanism (3) comprises a mounting seat (10) and a driving mechanism, the bottom of the mounting seat (10) is connected with a connecting sleeve (11) through a bearing in a rotating manner, a first anti-collision plate (12) is symmetrically installed at the bottom of the connecting sleeve (11), a rubber plate (13) is installed on the outer wall of the first anti-collision plate (12), a second anti-collision plate (15) is arranged on the inner side of the first anti-collision plate (12), a telescopic mechanism is arranged above the second anti-collision plate (15) and comprises a fixed block (17) and an iron moving block (14), the fixed block (17) is fixedly connected with the inner wall of the first anti-collision plate (12), a sliding rod (16) is arranged at the center of the fixed block (17) in a penetrating manner, the sliding rod (16) is slidably connected with the fixed block (17), a spring (20) is sleeved on the outer side of the sliding rod (16), and the spring (20) is clamped between the fixed block (17) and the iron moving block (14), the bottom and the iron movable block (14) fixed connection of slide bar (16), the bottom and the top fixed connection of crashproof board two (15) of iron movable block (14), just actuating mechanism includes motor (9) and ring gear (6), ring gear (6) cover are established in connecting sleeve (11) lower part and with connecting sleeve (11) fixed connection, the output shaft key of motor (9) is connected with gear (7), gear (7) are connected with ring gear (6) meshing.

2. A laser cutting arm for an industrial robot according to claim 1, characterized in that: electromagnets (18) are symmetrically installed on the outer side of the fixing block (17), and the electromagnets (18) are electrically connected with a controller for controlling the mechanical arm (1) to work through a lead.

3. A laser cutting arm for an industrial robot according to claim 1, characterized in that: the motor (9) is fixedly connected with the outer wall of the mounting seat (10), the outer side of the motor (9) is provided with a protective cover (5), and the protective cover (5) is fixedly connected with the outer wall of the mounting seat (10).

4. A laser cutting arm for an industrial robot according to claim 1, characterized in that: the top of the sliding rod (16) is provided with a limiting baffle (19), and the limiting baffle (19) is fixedly connected with the sliding rod (16).

5. A laser cutting arm for an industrial robot according to claim 1, characterized in that: the center department of mount pad (10) is provided with logical groove, just laser cutting head (2) set up logical inslot, ring flange (8) are installed on the upper portion of laser cutting head (2), ring flange (8) are connected with mount pad (10) through fixing bolt.

6. A laser cutting arm for an industrial robot according to claim 5, characterized in that: the outer side of the through groove is provided with a plurality of threaded blind holes used for matching with fixing bolts, and the threaded blind holes are uniformly distributed at the top of the mounting seat (10).

7. A laser cutting arm for an industrial robot according to claim 1, characterized in that: a supporting plate (4) is installed at one end of the mechanical arm (1), and the supporting plate (4) is fixedly connected with a mounting seat (10).