CN211564910U

CN211564910U - Anti-collision arm of welding robot

Info

Publication number: CN211564910U
Application number: CN201922362168.8U
Authority: CN
Inventors: 吴国兴
Original assignee: Zhengzhou Hongya Machinery Manufacturing Co ltd
Current assignee: Zhengzhou Hongya Machinery Manufacturing Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-25
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a welding robot anticollision arm relates to welding automation technical field, a welding robot anticollision arm, which comprises a mounting bas, the lower fixed surface of mount pad is connected with the motor, the first output shaft of motor passes through the bearing and pegs graft at the middle part of mount pad, the rocking arm has been cup jointed to one side that the output shaft is close to the mount pad upper surface, the through-hole has been seted up to one side that the mount pad was kept away from to the rocking arm, the outer fixed surface of rocking arm is connected with the motor, the second output shaft of motor is pegged graft in the inside of through-hole, the arm has been cup jointed to the surface of second output shaft. This welding robot anticollision arm through the setting of first protective housing, second protective housing, hose, makes this welding robot anticollision arm have the effect of crashproof, sets up through the cooperation of buffer spring and protective housing, makes this welding robot anticollision arm have the effect of collision buffering.

Description

Anti-collision arm of welding robot

Technical Field

The utility model relates to a welding automation technical field specifically is a welding robot anticollision arm.

Background

In recent 20 years, with the development of digitization, automation, computer and mechanical design technologies and the high importance on welding quality, automatic welding has developed into an advanced manufacturing technology, and automatic welding equipment plays an increasingly important role in various industrial applications, and the application range is rapidly expanding. In modern industrial production, mechanization and automation of welding production processes are inevitable trends in modernization of welding mechanism manufacturing industries, and welding robots are industrial robots engaged in welding (including cutting and spraying). An industrial robot is a versatile, reprogrammable, automatically controlled Manipulator (Manipulator) with three or more programmable axes for use in the field of industrial automation, according to the international organization for standardization (ISO) which is a definition of standard welding robots. To accommodate different applications, the mechanical interface of the last axis of the robot, usually a connecting flange, may be used to attach different tools or end effectors. The welding robot is that a welding clamp or a welding (cutting) gun is arranged on a tail shaft flange of an industrial robot, so that the welding robot can carry out welding, cutting or thermal spraying. The welding robot is widely applied to the automobile manufacturing industry at present, the welding of an automobile chassis, a seat framework, a guide rail, a silencer, a hydraulic torque converter and the like, and particularly the welding robot is widely applied to the welding production of the automobile chassis. The welding robot belongs to precision equipment, and each junction of fuselage all has important influence to its welding precision. However, in a business, collisions often occur for various reasons, such as: the collision between the arm and the workpiece, the interference collision between the arm and the rack or the collision caused by the interference of the motion of the robot, even the collision with the human body sometimes, which causes the accident.

The welding robot anti-collision arm disclosed in the chinese utility model patent application publication CN205310296U, although this welding robot anti-collision arm has both kept the rigidity of welding robot operation, provides certain anti-collision ability for the arm of welding robot again. After the striking takes place, welding robot's arm can also reply initial condition through extension spring, does not need the technical staff to debug the procedure again, has practiced thrift operating time to a certain extent, has improved work efficiency. But the anti-collision arm of the welding robot still has the defects of weak anti-collision capability and large damage to the mechanical arm when collision occurs in the using process, thereby causing serious economic loss.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a welding robot anticollision arm has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a welding robot anticollision arm, includes the mount pad, the lower fixed surface of mount pad is connected with the motor, the first output shaft of motor passes through the bearing and pegs graft at the middle part of mount pad, the rocking arm has been cup jointed to one side that the output shaft is close to the mount pad upper surface, the through-hole has been seted up to one side that the mount pad was kept away from to the rocking arm, the outer fixed surface of rocking arm is connected with the motor, the second output shaft of motor pegs graft in the inside of through-hole, the arm has been cup jointed to the surface of second output shaft.

Optionally, one side of the rocker arm close to the mounting seat is provided with a baffle, the upper surface of the baffle is fixedly connected with a first protective shell, one side of the first protective shell far away from the baffle is fixedly connected with a hose, and the other side of the hose is fixedly connected with a second protective shell.

Optionally, buffer springs are arranged between the first protection shell and the rocker arm and between the second protection shell and the arm, and a pressure sensor is arranged at the axis of each buffer spring.

Optionally, one side of the arm is provided with a flange, mounting holes are formed in the edge of the flange, the number of the mounting holes is six, and the mounting holes are distributed in a circumferential array.

Optionally, the hose is made of rubber, and the shape of the hose is corrugated.

Optionally, the edge of the baffle is provided with four holes, the number of the holes is equal to four, the holes are evenly distributed in the circumference, the bottom of the first protective shell is provided with threaded holes, the number of the threaded holes is four, and the positions of the threaded holes correspond to the positions of the holes.

(III) advantageous effects

The utility model provides a welding robot anticollision arm possesses following beneficial effect:

1. this welding robot anticollision arm through the setting of first protective housing, second protective housing, hose, makes this welding robot anticollision arm have the effect of crashproof, sets up through the cooperation of buffer spring and protective housing, makes this welding robot anticollision arm have the effect of collision buffering.

2. This welding robot anticollision arm through pressure sensor's setting, makes this welding robot anticollision arm have and can transmit the signal of telecommunication that the collision produced for control system when the emergence collision, makes the effect of this welding robot anticollision arm scram of control system control.

Drawings

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is a right side view of the structure of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the rocker arm assembly of the present invention.

In the figure: 1. a mounting seat; 2. a motor; 3. a first output shaft; 4. a bearing; 5. a rocker arm; 6. a through hole; 7. a motor; 8. a second output shaft; 9. an arm; 10. a baffle plate; 11. a first protective case; 12. a hose; 13. a second protective shell; 14. a buffer spring; 15. a pressure sensor; 16. a flange; 17. mounting holes; 18. an aperture; 19. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: an anti-collision arm of a welding robot comprises a mounting seat 1, wherein a motor 2 is fixedly connected to the lower surface of the mounting seat 1, a first output shaft 3 of the motor 2 is inserted in the middle of the mounting seat 1 through a bearing 4, a rocker arm 5 is sleeved on one side, close to the upper surface of the mounting seat 1, of the output shaft 3, a baffle 10 is arranged on one side, close to the mounting seat 1, of the rocker arm 5, a first protective shell 11 is fixedly connected to the upper surface of the baffle 10, holes 18 are formed in the edge of the baffle 10, the number of the holes 18 is four, the holes are uniformly distributed in a circumferential manner, threaded holes 19 are formed in the bottom of the first protective shell 11, the number of the threaded holes 19 is four, the positions of the threaded holes correspond to the positions of the holes 18, a hose 12 is fixedly connected to one side, far away from the baffle 10, of the first protective shell 11, the hose 12, hose 12's opposite side fixedly connected with second protective housing 13, all be provided with buffer spring 14 between first protective housing 11 and the rocking arm 5, between second protective housing 13 and the arm 9, buffer spring 14's axle center department is provided with pressure sensor 15, through-hole 6 has been seted up to one side that mounting seat 1 was kept away from to rocking arm 5, rocking arm 5's external fixed surface is connected with motor 7, second output shaft 8 of motor 7 is pegged graft in the inside of through-hole 6, arm 9 has been cup jointed to second output shaft 8's surface, one side of arm 9 is provided with flange 16, mounting hole 17 has been seted up to the edge of flange 16, the quantity of mounting hole 17 is six, and is the circumference array and distributes.

During the use, the soldering turret or welding (cutting) rifle link together through flange 16 and arm 9, when this welding robot anticollision arm bumps, at first will take place the contact with outermost protective housing, prevented that the foreign object from directly touching arm 9, and simultaneously, inside buffer spring 14 also plays the effect of buffering to the collision force, and when buffer spring 14 took place certain displacement, outermost protective housing can take place the contact with pressure sensor 15, and then produce certain pressure to pressure sensor 15, make pressure sensor 15 produce the signal of telecommunication, behind the signal of telecommunication feedback central control system, central control system can carry out the scram command at once, make this welding anticollision arm stop operation, prevent the continuation of collision and take place.

The utility model discloses a theory of operation and beneficial effect: this welding robot anticollision arm, the elasticity that has utilized the spring cushions, the signal of telecommunication that produces after utilizing pressure sensor 15 to bear pressure, the signal of telecommunication can feed back central control system, central control system can carry out scram command at once, make this welding anticollision arm bring down the operation, prevent the continuation emergence of collision, through first protective housing 11, second protective housing 13, the setting of hose 12, make this welding robot anticollision arm have the effect of crashproof, cooperation setting through buffer spring 14 and protective housing, make this welding robot anticollision arm have the effect of collision buffering, setting through pressure sensor 15, make this welding robot anticollision arm have can transmit the signal of telecommunication that the collision produced to control system when the collision takes place, make this welding robot anticollision arm of control system control effect of scram.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a welding robot anticollision arm, includes mount pad (1), its characterized in that: the lower fixed surface of mount pad (1) is connected with motor (2), peg graft in the middle part of mount pad (1) through bearing (4) first output shaft (3) of motor (2), rocking arm (5) have been cup jointed to one side that output shaft (3) are close to mount pad (1) upper surface, through-hole (6) have been seted up to one side that mount pad (1) was kept away from in rocking arm (5), the outer fixed surface of rocking arm (5) is connected with motor (7), peg graft in the inside of through-hole (6) second output shaft (8) of motor (7), arm (9) have been cup jointed to the surface of second output shaft (8).

2. The welding robot anti-collision arm as claimed in claim 1, wherein: one side that rocking arm (5) are close to mount pad (1) is provided with baffle (10), the last fixed surface of baffle (10) is connected with first protective housing (11), one side fixedly connected with hose (12) of baffle (10) are kept away from in first protective housing (11), opposite side fixedly connected with second protective housing (13) of hose (12).

3. The welding robot anti-collision arm as claimed in claim 2, wherein: buffer springs (14) are arranged between the first protection shell (11) and the rocker arm (5) and between the second protection shell (13) and the arm (9), and a pressure sensor (15) is arranged at the axis of each buffer spring (14).

4. The welding robot anti-collision arm as claimed in claim 1, wherein: one side of arm (9) is provided with flange (16), mounting hole (17) have been seted up to the edge of flange (16), the quantity of mounting hole (17) is six, and is the circumference array distribution.

5. The welding robot anti-collision arm as claimed in claim 2, wherein: the hose (12) is made of rubber materials and is corrugated in shape.

6. The welding robot anti-collision arm as claimed in claim 2, wherein: the edge of the baffle (10) is provided with four holes (18), the number of the holes (18) is four, the holes are uniformly distributed in the circumference, the bottom of the first protective shell (11) is provided with four threaded holes (19), and the positions of the threaded holes (19) correspond to the positions of the holes (18).