CN219443803U

CN219443803U - Plasma cutting robot

Info

Publication number: CN219443803U
Application number: CN202223589197.6U
Authority: CN
Inventors: 刘志平; 钱海
Original assignee: Henan Chuangke Intelligent Equipment Co ltd
Current assignee: Henan Chuangke Intelligent Equipment Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-01
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a plasma cutting robot, which relates to the technical field of plasma cutting, and particularly relates to a plasma cutting robot. Through the setting of laser rangefinder sensor, make plasma cutting robot possess the effect that can avoid the plasma cutting head to take place to hit the machine, through the cooperation setting of linear guide, slider, pivot and collection beam clamp piece, make plasma cutting robot possess can alleviate the trachea and the degree that the cable is buckled and then improve life's effect.

Description

Plasma cutting robot

Technical Field

The utility model relates to the technical field of plasma cutting, in particular to a plasma cutting robot.

Background

The six-degree-of-freedom robot can flexibly operate the plasma cutting device to cut most of tracks or angles of a workpiece through cooperation of six joints, and is high in speed, accuracy and strength, and because the six-degree-of-freedom robot is flexible and high in strength, the robot needs to be careful to avoid collision in the use process, but because the plasma cutting head needs to be close to the workpiece in a short distance during working, the phenomenon that the plasma cutting head collides with the machine is frequent, the plasma cutting head can be scrapped directly in severe cases, the plasma cutting head needs to be supplied with air and power during working, but the air pipe and the cable are generally directly fixed on the joints of the robot at present, and therefore, the robot joint moves to repeatedly bend the air pipe and the cable, so that the service life is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a plasma cutting robot, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a plasma cutting robot, includes the arm assembly, the arm assembly includes four axles of arm and six axles of arm, the cutting head mount pad is installed to the front end of six axles of arm, the cutting head mount pad includes connecting seat and mounting panel, the fixed cover of cutting head is installed to the centre of mounting panel, the middle grafting of the fixed cover of cutting head has the plasma cutting head, the top of plasma cutting head is provided with electric collection and restraints, the lower extreme threaded connection of plasma cutting head has the cutting head lock sleeve, laser range sensor is installed to the periphery of plasma cutting head, linear guide is installed to the top of four axles of arm, linear guide's top sliding connection has the slider, the top rotation of slider is connected with the pivot, collection beam clamping piece is installed to the top of pivot.

Preferably, the number of the laser ranging sensors is eight and the laser ranging sensors are uniformly distributed on the periphery of the plasma cutting head, the laser ranging sensors are in threaded connection with the mounting plate, and the detection direction of the laser ranging sensors is parallel to the plasma cutting head.

Preferably, the cutting head fixing sleeve is fixedly connected with the mounting plate through a flange above the cutting head fixing sleeve, the lower end of the cutting head fixing sleeve penetrates through the mounting plate, and the cutting head fixing sleeve is in small clearance fit with the plasma cutting head.

Preferably, the lower end of the cutting head fixing sleeve is provided with a slotted hole, the upper end of the cutting head locking sleeve is provided with an internal threaded hole, and the lower end of the cutting head locking sleeve is provided with a taper hole.

Preferably, the assembly beam clamping block is divided into an upper part and a lower part and fixedly connected through screws, a wire clamping hole is formed in the middle of the assembly beam clamping block, and the electric assembly beam penetrates through the wire clamping hole.

Preferably, the linear guide rail moves synchronously along with the four shafts of the mechanical arm, and the two ends of the linear guide rail are provided with baffle plates.

(III) beneficial effects

The utility model provides a plasma cutting robot, which has the following beneficial effects:

1. the plasma cutting robot, through the setting of laser rangefinder sensor, make the plasma cutting robot possess the effect that can avoid the plasma cutting head to take place to hit the machine, laser rangefinder sensor's range beam evenly distributed is in the periphery of ion cutting head, can judge through laser rangefinder sensor's monitoring that the periphery of ion cutting head and the head of cutting head exist with the extremely article that is close to of ion cutting head, if detect extremely article robot stand horse that is close to stop work and then can avoid the plasma cutting head to take place to hit the machine.

2. The plasma cutting robot, through the cooperation setting of linear guide, the slider, pivot and collection beam clamp piece, make plasma cutting robot possess can alleviate the trachea and the cable is buckled the degree and then improve life's effect, the trachea passes through collection beam clamp piece and installs in the top of pivot with the cable, because the pivot can rotate and the slider can slide in linear guide top in the slider top, make the trachea and the tie point slidable and the rotation of cable and robot, realized can alleviate the trachea and the cable is buckled the degree and then improve life's effect.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic diagram of a top view of the present utility model;

FIG. 3 is a schematic view of a partial perspective view of the present utility model;

fig. 4 is a schematic view of the structure of the present utility model in a partially exploded view.

In the figure: 1. a mechanical arm assembly; 101. four shafts of the mechanical arm; 102. six axes of the mechanical arm; 2. a cutting head mounting seat; 201. a connecting seat; 202. a mounting plate; 3. a cutting head fixing sleeve; 4. a plasma cutting head; 401. an electrical collection bundle; 5. a cutting head locking sleeve; 6. a laser ranging sensor; 7. a linear guide rail; 8. a slide block; 9. a rotating shaft; 10. a cluster clamping block; 11. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the plasma cutting robot comprises a mechanical arm assembly 1, wherein the mechanical arm assembly 1 is a six-axis robot, the mechanical arm assembly 1 comprises a mechanical arm four-axis 101 and a mechanical arm six-axis 102, a cutting head mounting seat 2 is arranged at the front end of the mechanical arm six-axis 102, the cutting head mounting seat 2 comprises a connecting seat 201 and a mounting plate 202, the connecting seat 201 is fixedly connected with the mechanical arm six-axis 102 through screws and positioned through pins, a cutting head fixing sleeve 3 is arranged in the middle of the mounting plate 202, the cutting head fixing sleeve 3 is fixedly connected with the mounting plate 202 through a flange above and passes through the mounting plate 202 at the lower end, a plasma cutting head 4 is inserted in the middle of the cutting head fixing sleeve 3, the cutting head fixing sleeve 3 is in small clearance fit with the plasma cutting head 4, an electric collecting beam 401 is arranged above the plasma cutting head 4, the electric collecting beam 401 supplies air and power to the plasma cutting head 4, the lower end of the plasma cutting head 4 is connected with a cutting head locking sleeve 5 in a threaded manner, the lower end of the cutting head fixing sleeve 3 is provided with a slotted hole, the upper end of the cutting head locking sleeve 5 is provided with an internal threaded hole, the lower end of the internal threaded hole is provided with a taper hole, the taper hole at the lower end of the cutting head locking sleeve 5 which is screwed down is contracted inwards to the lower end of the cutting head fixing sleeve 3 so as to fix the plasma cutting head 4 and the cutting head fixing sleeve 3, the periphery of the plasma cutting head 4 is provided with laser ranging sensors 6, the number of the laser ranging sensors 6 is eight and evenly distributed on the periphery of the plasma cutting head 4, the laser ranging sensors 6 are connected with a mounting plate 202 in a threaded manner, the detection direction is parallel to the plasma cutting head 4, eight laser lines are arranged on the periphery of the plasma cutting head 4, a linear guide rail 7 is arranged above a mechanical arm four-axis 101 and moves synchronously along with the mechanical arm four-axis 101, two ends of the linear guide rail 7 are provided with baffle plates 11, the upper side sliding connection of linear guide 7 has slider 8, and baffle 11's effect is avoided slider 8 to drop from linear guide 7 both ends, and the top rotation of slider 8 is connected with pivot 9, and collection beam clamp block 10 is installed to pivot 9's top, makes collection beam clamp block 10 rotatable through pivot 9, and collection beam clamp block 10 divide into upper and lower two parts and pass through screw fixed connection, and the line clamping hole has been seted up to collection beam clamp block 10's centre and electric collection beam 401 passes the line clamping hole.

When in use, firstly, the cutting head mounting seat 2 is fixedly mounted at the end part of the six shafts 102 of the mechanical arm through the cooperation of the screw and the pin, the cutting head fixing sleeve 3 is further inserted into the middle hole of the mounting plate 202 from top to bottom and is fixed through the screw, the plasma cutting head 4 is further inserted into the cutting head fixing sleeve 3 from top to bottom and is locked through the cutting head locking sleeve 5 after the height is adjusted, all the laser ranging sensors 6 are further mounted at the periphery of the plasma cutting head 4, the parts such as the linear guide rail 7, the collecting beam clamping block 10 and the like are further mounted above the four shafts 101 of the mechanical arm, then the screw at the periphery of the collecting beam clamping block 10 is dismounted to divide the collecting beam clamping block 10 into two parts, the electric collecting beam 401 is further connected with the plasma cutting head 4, wherein a communication cable of the laser ranging sensors 6 is also integrated into the electric collecting beam 401, further adjusting the length of the electric collecting beam 401 between the collecting beam clamping block 10 and the plasma cutting head 4, then recombining the collecting beam clamping block 10 which is originally divided into two parts by screws, fixing the electric collecting beam 401 in the collecting beam clamping block 10, mutually cooperating each mechanical arm when the mechanical arm assembly 1 works and operating the plasma cutting head 4 to cut, operating the mechanical arm assembly 1 to operate the plasma cutting head 4 to act other objects without moving in the cutting process, if the periphery of the plasma cutting head 4 is about to collide with an external object in the cutting process, the laser ranging sensor 6 emits a light beam on the periphery of the plasma cutting head 4 to contact the external object firstly, the numerical value detected by the laser ranging sensor 6 is changed when the light beam contacts the external object, if the numerical value is smaller than the distance between the head of the laser ranging sensor 6 and the end part of the plasma cutting head 4, the fact that the foreign object is extremely close to the plasma cutting head 4 is indicated, the laser ranging sensor 6 sends out an alarm signal, meanwhile, the mechanical arm assembly 1 stops working immediately, the effect of protecting the plasma cutting head 4 can be avoided, when the mechanical arm assembly 1 operates the plasma cutting head 4 to perform cutting tasks, the relative distance and the relative angle between the mechanical arm four-axis 101 and the plasma cutting head 4 can be changed, and the electric collection beam 401 can be lightened by connecting the collection beam clamping block 10 which can slide and rotate above the mechanical arm four-axis 101, so that the bending degree of the electric collection beam 401 can be lightened, the damage can be reduced, and the service life can be prolonged.

In summary, the plasma cutting robot has the effect of avoiding collision of the plasma cutting head 4 through the arrangement of the laser ranging sensor 6, and has the effect of reducing the bending degree of the air pipe and the cable and further improving the service life through the cooperation arrangement of the linear guide rail 7, the sliding block 8, the rotating shaft 9 and the collecting beam clamping block 10, the design thinking is that the periphery of the plasma cutting head 4 is covered with a circle of ranging beam through the laser ranging sensor 6, if something contacts with the ranging beam and then the distance can judge whether the plasma cutting head 4 has the risk of collision, if the distance is very close to the laser ranging sensor 6, an alarm signal is sent to enable the robot to stop moving and further avoid collision of the plasma cutting head 4, the connecting point of the electric collecting beam 401 for supplying air to the plasma cutting head 4 and the mechanical arm assembly 1 is made into a movable form, the bending degree of the electric collecting beam 401 between the connecting point and the plasma cutting head 4 can be reduced, and the service life can be improved if the bending degree is small and the damage is received when the bending degree is small.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Plasma cutting robot, including arm assembly (1), its characterized in that: the mechanical arm assembly (1) comprises a mechanical arm four-axis (101) and a mechanical arm six-axis (102), a cutting head mounting seat (2) is mounted at the front end of the mechanical arm six-axis (102), the cutting head mounting seat (2) comprises a connecting seat (201) and a mounting plate (202), a cutting head fixing sleeve (3) is mounted in the middle of the mounting plate (202), a plasma cutting head (4) is inserted in the middle of the cutting head fixing sleeve (3), an electric collecting beam (401) is arranged above the plasma cutting head (4), a cutting head locking sleeve (5) is connected with the lower end of the plasma cutting head (4) in a threaded mode, a laser ranging sensor (6) is mounted on the periphery of the plasma cutting head (4), a linear guide rail (7) is mounted above the mechanical arm four-axis (101), a sliding block (8) is connected with the upper portion of the linear guide rail (7) in a sliding mode, a rotating shaft (9) is connected with the upper portion of the sliding block (8), and a collecting beam clamping block (10) is mounted above the rotating shaft (9).

2. The plasma cutting robot of claim 1, wherein: the laser ranging sensors (6) are eight in number and uniformly distributed on the periphery of the plasma cutting head (4), the laser ranging sensors (6) are in threaded connection with the mounting plate (202), and the detection direction is parallel to the plasma cutting head (4).

3. The plasma cutting robot of claim 1, wherein: the cutting head fixing sleeve (3) is fixedly connected with the mounting plate (202) through a flange above the cutting head fixing sleeve, the lower end of the cutting head fixing sleeve penetrates through the mounting plate (202), and the cutting head fixing sleeve (3) is in small clearance fit with the plasma cutting head (4).

4. The plasma cutting robot of claim 1, wherein: the lower end of the cutting head fixing sleeve (3) is provided with a slotted hole, and the upper end of the cutting head locking sleeve (5) is provided with an internal threaded hole, and the lower end of the internal threaded hole is provided with a taper hole.

5. The plasma cutting robot of claim 1, wherein: the assembly beam clamping block (10) is divided into an upper part and a lower part and is fixedly connected through screws, a wire clamping hole is formed in the middle of the assembly beam clamping block (10), and an electric assembly beam (401) penetrates through the wire clamping hole.

6. The plasma cutting robot of claim 1, wherein: the linear guide rail (7) moves synchronously along with the four shafts (101) of the mechanical arm, and baffle plates (11) are arranged at two ends of the linear guide rail (7).