CN110280867B

CN110280867B - Industrial welding robot

Info

Publication number: CN110280867B
Application number: CN201910685632.9A
Authority: CN
Inventors: 王丽; 贺家
Original assignee: Nanjing Yusheng Robot Technology Co Ltd
Current assignee: Foshan Nanhai Chaohao Hardware Parts Co ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2021-04-16
Anticipated expiration: 2039-07-27
Also published as: CN110280867A

Abstract

The invention relates to the technical field of welding robots and discloses an industrial welding robot and a cooling device thereof. This industry welding robot and cooling device thereof is electrified through two plate electrodes to carry out the ionization to water, because the process of ionization is the heat absorption, absorption welder's that can be rapid waste heat prevents that welder and air from appearing chemical reaction under the effect of high temperature, leads to welder to appear damaging, guarantees welder's normal use, also can prevent to expose welder in the air to cause the threat to the staff simultaneously, improves the security.

Description

Industrial welding robot

Technical Field

The invention relates to the technical field of welding robots, in particular to an industrial welding robot and a cooling device thereof.

Background

The welding robot is an industrial robot for welding, belongs to the definition of a standard welding robot according to the international organization for standardization, is a multipurpose automatic control manipulator capable of being programmed repeatedly, has three or more programmable axes, is used in the field of industrial automation, and is suitable for different purposes.

An automatic welding robot that prior art is public can make welder give off the high heat because the long-time work of welding gun head when work is ended, this equipment is not good to the treatment effect of welding gun head, can make the welding tongs head expose for a long time outside, can promote oxygen in welder and the air to take place chemical reaction, influence welder's normal use, can lead to the staff to come into contact with the welding gun head in arrangement part or clearance equipment simultaneously and cause the emergence of accident, welding robot's safety in utilization has been reduced, and simultaneously, in welding process, when flame and work piece contact, the bounce can appear, the flame contact welder of bounce-back, can lead to welder flame exit oxidation for a long time, influence the intensity of flame, and welder formula structure as an organic whole, consequently need change whole welder when changing, the replacement cost has been increased.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an industrial welding robot and a cooling device thereof, which have the advantages of preventing a welding gun from generating a chemical reaction with oxygen in the air, improving the safety of the welding gun of the welding robot and reducing the cost for replacing the welding gun, and solve the problems that the normal use of the welding gun is influenced, the danger is high due to the exposure of a high-temperature welding gun and the cost for replacing the welding gun is high due to the chemical reaction of the welding gun and the oxygen in the air.

The invention provides the following technical scheme: the utility model provides an industrial welding robot and cooling device thereof, includes welder, the fixed cover in bottom in the welder outside is equipped with outer loop body, the internal fixed mounting of outer loop has the ring baffle, inlay on the ring baffle and install the plate electrode, the top fixed mounting of ring baffle has electric conductor one, the top of electric conductor one is provided with electric conductor two, the rear side fixed mounting of electric conductor two has the push rod, welder's fixed surface installs the gas expansion room, slidable mounting has the push pedal in the gas expansion room, the push rod runs through the gas expansion room, and with the front side fixed connection of push pedal, the push rod is located the inside partial surface cover of gas expansion room is equipped with reset spring.

Preferably, the top of the gas expansion chamber is provided with an inflation hole, and a control valve is fixedly sleeved in the inflation hole.

Preferably, the surface of the outer ring body is provided with a water inlet, and a leakage-proof plug is fixedly sleeved in the water inlet.

Preferably, the gas expansion chamber is made of a heat conductive material, and the heat conductive material is a copper plate.

Preferably, the gas expansion chamber is filled with expansion gas, the gas is positioned between the push plate and the rear side in the gas expansion chamber, the return spring is in an initial state when the gas expansion chamber is in a normal temperature state, and the first conductor is in contact with the second conductor.

Preferably, the top of the first electric conductor and the bottom of the second electric conductor are both provided with inclined planes, and the two inclined planes are matched and face the circular ring partition plate.

Preferably, the number of the electrode plates is two, the electrode plates are respectively a positive electrode and a negative electrode, the bottoms of the positive electrode plate and the negative electrode plate are communicated with the cavity at the bottom of the circular partition plate, and the two electrode plates are connected with an external power supply through the first electric conductor and the second electric conductor to form the positive electrode and the negative electrode.

Preferably, the welding gun comprises a connector and a nozzle, the nozzle is located at the bottom of the connector, an arc connecting groove is formed in the bottom of the connector, an arc connecting plate is fixedly mounted at the top of the nozzle, and the arc connecting plate is located in the arc connecting groove.

The invention has the following beneficial effects:

1. this industry welding robot and cooling device thereof, through after welder finishes work, electric conductor one and two contacts of electric conductor, two plate electrodes are electrified, and carry out the ionization to water, because the process of ionization is the heat absorption, absorption welder's waste heat that can be rapid, prevent that welder and air from appearing chemical reaction under the effect of high temperature, lead to welder to appear damaging, guarantee welder's normal use, welder that also can prevent to expose in the air simultaneously causes the threat to the staff, improve the security.

2. This industry welding robot and cooling device thereof, through with arc connecting plate card go into the back in the arc spread groove, rotate the nozzle, go into the spout with the lug card, because the spout can play fixed effect to the nozzle to the restraint of lug, this kind of connected mode is owing to only need can realize the installation and the dismantlement to the nozzle through the pivoted mode, consequently comparatively convenient, and when changing, because the connector does not with flame direct contact, consequently can not receive the influence, only need change the nozzle portion, greatly reduced the replacement cost.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a cross-sectional view of the outer ring body of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the structure of the gas expansion chamber of the present invention;

FIG. 5 is a partial enlarged view of B in FIG. 4;

FIG. 6 is an exploded view of the torch and nozzle of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic view of the structure of the arcuate slot of the present invention.

In the figure: 1. a welding gun; 101. a linker; 102. a nozzle; 103. an arc-shaped connecting groove; 104. an arc-shaped connecting plate; 2. an outer ring body; 3. a circular ring spacer; 4. an electrode plate; 5. a first electric conductor; 6. a second electric conductor; 7. a push rod; 8. a gas expansion chamber; 9. pushing the plate; 10. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an industrial welding robot and a cooling device thereof comprises a welding gun 1, an outer ring body 2 is fixedly sleeved at the bottom of the outer side of the welding gun 1, a water inlet is formed in the surface of the outer ring body 2, the water inlet is positioned at the bottom of a circular partition plate 3, a leakproof plug is fixedly sleeved in the water inlet, so that water ionized inside the welding gun can be conveniently discharged through the water inlet and can be supplemented in time, the circular partition plate 3 is fixedly installed in the outer ring body 2, a plate electrode 4 is embedded and installed on the circular partition plate 3, a first electric conductor 5 is fixedly installed at the top of the circular partition plate 3, the first electric conductor 5 is positioned right above one plate electrode 4, a second electric conductor 6 is arranged at the top of the first electric conductor 5, the second electric conductor 6 is connected with an external power supply, the plate electrodes 4 are two in number and are respectively a positive electrode and a negative electrode, the two electrode plates 4 are connected with an external power supply through a first electric conductor 5 and a second electric conductor 6 to form positive and negative electrodes, the two electrode plates 4 are respectively provided with positive and negative electricity to ensure ionization of water inside and ensure heat dissipation stability, the top of the first electric conductor 5 and the bottom of the second electric conductor 6 are both provided with inclined planes which are matched, the height of one end, away from the central axis of the circular ring partition plate 3, of the inclined plane of the second electric conductor 6 is smaller than that of one end, close to the central axis of the circular ring partition plate 3, of one end of the inclined plane, away from the central axis of the circular ring partition plate 3, the two electric conductors can be separated when the inclined plane moves slightly, a push rod 7 is fixedly installed on the rear side of the second electric conductor 6, a gas expansion chamber 8 is fixedly installed on the surface of the welding gun 1, the gas expansion chamber 8 is made of a heat conducting, the top of the gas expansion chamber 8 is provided with an inflation hole, a control valve is fixedly sleeved in the inflation hole, the inflation hole can conveniently and timely supplement the internal carbon dioxide gas, a push plate 9 is arranged in the gas expansion chamber 8 in a sliding manner, the size of the push plate 9 is the same as that of the inner cavity of the gas expansion chamber 8, a push rod 7 penetrates through the gas expansion chamber 8, the push rod 7 can slide on the gas expansion chamber 8, a sealing gasket is arranged at a connecting port to increase the sealing performance in the gas expansion chamber 8 and is fixedly connected with the front side of the push plate 9, a reset spring 10 is sleeved on the surface of the push rod 7 positioned in the gas expansion chamber 8, the gas expansion chamber 8 is filled with expansion gas which is carbon dioxide, the gas has a large thermal expansion coefficient and is easy to expand when heated, and is positioned between the push plate 9 and the rear side in the gas expansion chamber 8 and is in a normal temperature state, the reset spring 10 is in an initial state, the first conductor 5 is in contact with the second conductor 6, it can be ensured that after the welding gun 1 is closed in an initial stage or when the temperature is reduced, the first conductor 5 and the second conductor 6 are two electrode plates 4 which are respectively in positive and negative charge, the welding gun 1 comprises a connector 101 and a nozzle 102, the connector 101 is used for being connected with a welding robot main body and realizing the generation of arc welding, high-temperature flame required by welding is sprayed out from the nozzle 102, meanwhile, a sealing gasket is arranged between the nozzle 102 and the connector 101 and prevents gas from being sprayed out from a gap, the sealing gasket is made of high-temperature-resistant materials, the nozzle 102 is positioned at the bottom of the connector 101, an arc connecting groove 103 is formed at the bottom of the connector 101, the shape of the arc connecting groove 103 is shown in figure 8, the number of the arc connecting grooves 103 is two, and the arc, the top fixed mounting of nozzle 102 has arc connecting plate 104, and the radian of arc connecting plate 104 is half of arc connecting groove 103 radian, and highly the same, and the quantity of arc connecting plate 104 is two, and respectively with two arc connecting grooves 103 looks adaptations, and arc connecting plate 104 is located arc connecting groove 103.

According to the working principle, before welding, ionization water is filled into the bottom of the circular ring partition plate 3, carbon dioxide gas is simultaneously filled into the gas expansion chamber 8, in the welding process, flame is sprayed out from the welding gun 1, the welding gun 1 is made of metal and can conduct heat, when heat is transferred to the carbon dioxide, the gas expands and pushes the push plate 9 to move, then the push rod 7 drives the electric conductor two 6 to move and extrude the return spring 10, due to the arrangement of the inclined surface, the electric conductor two 6 can be separated from the electric conductor one 5, the two electrode plates 4 are powered off, the spray gun normally works, after stopping, the heat is reduced, the carbon dioxide shrinks, the reaction force of the return spring 10 drives the electric conductor two 6 to return to the initial position to be in contact with the electric conductor one 5, the two electrode plates 4 are electrified and respectively have positive and negative poles; during the installation, aim at the inboard tongue of arc connecting groove 103 with the lug on the arc connecting plate 104, later upwards slide, until the bottom contact of the top of nozzle 102 and connecting body 101, the lug is located the protruding spout at arc connecting groove 103 top this moment, rotates nozzle 102, drives the lug at the spout internal rotation through arc connecting plate 104, during the dismantlement, takes out nozzle 102 downwards after the antiport.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An industrial welding robot comprising a welding gun (1), characterized in that: an outer ring body (2) is fixedly sleeved at the bottom of the outer side of the welding gun (1), a circular ring partition plate (3) is fixedly arranged in the outer ring body (2), an electrode plate (4) is embedded on the circular ring partition plate (3), a first electric conductor (5) is fixedly arranged at the top of the circular ring partition plate (3), a second electric conductor (6) is arranged at the top of the first electric conductor (5), a push rod (7) is fixedly arranged at the rear side of the second electric conductor (6), a gas expansion chamber (8) is fixedly arranged on the surface of the welding gun (1), a push plate (9) is arranged in the gas expansion chamber (8) in a sliding manner, the push rod (7) penetrates through the gas expansion chamber (8), the push rod (7) is fixedly connected with the front side of the push plate (9), and a return spring (10) is sleeved on the surface of the part, located in the gas expansion chamber (8), of the push rod (7);

the surface of the outer ring body (2) is provided with a water inlet which is positioned at the bottom of the circular ring partition plate (3), and a leakage-proof plug is fixedly sleeved in the water inlet so as to conveniently discharge water after internal ionization through the water inlet; the first electric conductor (5) is located right above one electrode plate (4), the second electric conductor (6) is connected with an external power supply, the number of the electrode plates (4) is two, the electrode plates are respectively a positive electrode and a negative electrode, the bottoms of the two electrode plates are communicated with a cavity at the bottom of the circular ring partition plate (3), the two electrode plates (4) are connected with the external power supply through the first electric conductor (5) and the second electric conductor (6) to form positive and negative electrodes, and the two electrode plates (4) are respectively positively and negatively charged to ensure that water inside is ionized.

2. The industrial welding robot of claim 1, wherein: the top of the gas expansion chamber (8) is provided with an inflation hole, and a control valve is fixedly sleeved in the inflation hole.

3. The industrial welding robot of claim 1, wherein: the gas expansion chamber (8) is made of a heat conducting material, and the heat conducting material is a copper plate.

4. The industrial welding robot of claim 1, wherein: the gas expansion chamber (8) is filled with expansion gas, the gas is positioned between the push plate (9) and the rear side in the gas expansion chamber (8), the return spring (10) is in an initial state when the gas expansion chamber is in a normal temperature state, and the first conductor (5) is in contact with the second conductor (6).

5. The industrial welding robot of claim 1, wherein: the top of the first electric conductor (5) and the bottom of the second electric conductor (6) are provided with inclined planes which are matched, and the height of one end, away from the central shaft of the circular ring partition plate (3), of the inclined plane of the second electric conductor (6) is smaller than the height of one end, close to the central shaft of the circular ring partition plate (3).

6. The industrial welding robot of claim 1, wherein: the welding gun (1) comprises a connecting body (101) and a nozzle (102), wherein the nozzle (102) is located at the bottom of the connecting body (101), an arc connecting groove (103) is formed in the bottom of the connecting body (101), an arc connecting plate (104) is fixedly mounted at the top of the nozzle (102), and the arc connecting plate (104) is located in the arc connecting groove (103).