阅读说明：本技术 一种标准柔性机器人点焊系统 (Standard flexible robot spot welding system ) 是由 郭海波 于 2019-07-26 设计创作，主要内容包括：本发明公开了一种标准柔性机器人点焊系统,其中,包括机器人组件、控制箱组件、夹具快换组件、水气检测组件以及将机器人组件、夹具快换组件包围的安全围栏,控制箱组件与水气检测组件均设置于安全围栏的外围,安全围栏的一侧边设有安全门,安全门上设有连接安全围栏的门锁,安全围栏在与设有安全门一侧的相对侧边设有开口,该侧边上连接设有安装人机交互操作组件的固定门,固定门面向机器人组件的一侧连接设有安全光栅,固定门背离于安全光栅的一侧设有人机交互显示器与控制按钮盒,控制按钮盒上设有操作按钮,操作按钮控制连接控制箱组件,控制箱组件分别控制连接机器人组件、水气检测组件、门锁、安全光栅、人机交互显示器。(the invention discloses a standard flexible robot spot welding system, which comprises a robot assembly, a control box assembly, a clamp quick-change assembly, a water vapor detection assembly and a safety fence surrounding the robot assembly and the clamp quick-change assembly, wherein the control box assembly and the water vapor detection assembly are both arranged on the periphery of the safety fence, one side edge of the safety fence is provided with a safety door, the safety door is provided with a door lock connected with the safety fence, the side edge of the safety fence opposite to the side edge provided with the safety door is provided with an opening, the side edge is connected with a fixed door for installing a human-computer interaction operation assembly, one side of the fixed door facing the robot assembly is connected with a safety grating, one side of the fixed door departing from the safety grating is provided with a human-computer interaction display and a control button box, the control button box is provided with an operation button, the operation button controls the connection with the control box, Water vapor detection subassembly, lock, safety grating, human-computer interaction display.)

1. A standard flexible robot spot welding system is characterized by comprising a robot assembly, a control box assembly, a clamp quick-change assembly, a water vapor detection assembly and a safety fence surrounded by the robot assembly and the clamp quick-change assembly, wherein the control box assembly and the water vapor detection assembly are arranged at the periphery of the safety fence, a safety door is arranged at one side of the safety fence, a door lock for connecting the safety fence is arranged on the safety door, an opening is arranged at the opposite side of one side of the safety door, a fixed door for installing the human-computer interaction operation assembly is connected to the side, facing the robot assembly, of the fixed door, a safety grating is connected to one side, deviating from the safety grating, of the fixed door, a human-computer interaction display and a control button box are arranged on one side, and an operation button is arranged on the control button box, the operation button is in control connection with the control box assembly, and the control box assembly is in control connection with the robot assembly, the water and gas detection assembly, the door lock, the safety grating and the human-computer interaction displayer respectively.

2. The standard flexible robot spot welding system according to claim 1, wherein the robot assembly comprises a grinder, a robot base, a robot body and a spot welding gun, the grinder is arranged on one side of the spot welding gun, and the control box assembly is respectively connected with the robot body, the grinder and the spot welding gun in a control mode.

3. The standard flexible robot spot welding system according to claim 2, wherein the control box assembly comprises a system control box, a robot control box and a welding control box, the operation button is connected with the system control box in a control mode, the system control box is respectively connected with the robot control box and the welding control box in a control mode, the robot control box is respectively connected with the robot body and the sharpening device in a control mode, and the welding control box is connected with the spot welding gun in a control mode.

4. A standard flexible robot spot welding system according to claim 3, wherein two of said fixture quick-change assemblies are juxtaposed between said robot base surface and said safety grating.

5. the standard flexible robotic spot welding system of claim 4, wherein the fixture quick-change assembly comprises a fixture switching base and a welding fixture disposed on top of the fixture switching base.

6. A standard flexible robot spot welding system according to claim 5, wherein said moisture detection assembly comprises a moisture detection box and an air pressure sensor and a cold water flow sensor mounted on said moisture detection box.

Technical Field

The invention relates to an automatic intelligent spot welding system, in particular to a standard flexible robot spot welding system.

Background

Traditional spot welding system, the flexibility degree is all not high, often need to reform transform just can adapt to new production demand, and the standardization level is low, need carry out a large amount of earlier stage schemes at every turn and confirm just can begin the preparation, often one set of new spot welding system needs more than 3 months can come into use, also can not compatible each other between new system and the old system, in case a certain system breaks down, just can only stop production, a small number of producers can accomplish to have certain flexible system, but the time of equipment switching anchor clamps is very long, seriously influence production efficiency.

Disclosure of Invention

the invention aims to provide a standard flexible robot spot welding system which can increase the flexibility of the whole spot welding system, has a simple structure, is convenient to use, effectively increases the production efficiency and is used for solving the defects caused by the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: a standard flexible robot spot welding system comprises a robot assembly, a control box assembly, a clamp quick-change assembly, a water vapor detection assembly and a safety fence surrounded by the robot assembly and the clamp quick-change assembly, wherein the control box assembly and the water vapor detection assembly are arranged on the periphery of the safety fence, a safety door is arranged on one side edge of the safety fence, a door lock for connecting the safety fence is arranged on the safety door, an opening is formed in the side edge opposite to the side edge provided with the safety door, a fixed door for installing the human-computer interaction operation assembly is connected to the side edge, a safety grating is connected to one side of the fixed door facing the robot assembly, a human-computer interaction display and a control button box are arranged on one side of the fixed door, which is far away from the safety grating, an operation button is arranged on the control button box, the operation button is in control connection with the control box assembly, and the control box assembly is in control connection with the robot assembly, the water and gas detection assembly, the door lock, the safety grating and the human-computer interaction displayer respectively.

The standard flexible robot spot welding system comprises a robot assembly, a robot base, a robot body and a spot welding gun, wherein the robot assembly comprises a grinder, the robot base, the robot body and the spot welding gun, the grinder is arranged on one side of the spot welding gun, and the control box assembly is respectively in control connection with the robot body, the grinder and the spot welding gun.

The standard flexible robot spot welding system comprises a control box assembly, a robot control box assembly and a welding control box assembly, wherein the control box assembly comprises the system control box, the robot control box assembly and the welding control box assembly, the control button assembly is in control connection with the system control box assembly, the system control box assembly is in control connection with the robot control box assembly, the robot control box assembly is in control connection with the welding control box assembly, the robot control box assembly is in control connection with the grinding device, and the welding control box assembly is in control connection with the spot welding gun assembly.

The standard flexible robot spot welding system is characterized in that two clamp quick-change assemblies are arranged between the robot base surface and the safety grating in parallel.

The standard flexible robot spot welding system comprises a clamp switching base and a welding clamp arranged at the top of the clamp switching base.

The standard flexible robot spot welding system comprises a water vapor detection box, and an air pressure sensor and a cold water flow sensor which are arranged on the water vapor detection box.

According to the technical scheme provided by the standard flexible robot spot welding system, the effects are as follows: the flexibility of the whole spot welding system can be increased, the structure is simple, the use is convenient, and the production efficiency is effectively increased.

Drawings

FIG. 1 is a schematic diagram of a standard flexible robot spot welding system according to the present invention;

Fig. 2 is a schematic rear view of a standard flexible robot spot welding system according to the present invention.

Wherein the reference numbers are as follows: the welding robot comprises a robot base 101, a robot body 102, a spot welding gun 103, a sharpening device 104, a control box assembly 105, a clamp switching base 106, a welding clamp 107, a water vapor detection assembly 108, a safety fence 109, a safety door 110, an opening 111, a fixed door 112, a safety grating 113, a human-computer interaction display 114, a control button box 115, an operation button 116, a system control box 201, a robot control box 202, a welding control box 203 and a door lock 204.

Detailed Description

In order to make the technical means, the characteristics, the purposes and the functions of the invention easy to understand, the invention is further described with reference to the specific drawings.

The invention provides a standard flexible robot spot welding system, aiming at increasing the flexibility of the whole spot welding system, having simple structure and convenient use and effectively increasing the production efficiency.

As shown in fig. 1-2, a standard flexible robot spot welding system includes a robot assembly, a control box assembly 105, a fixture quick-change assembly, a moisture detection assembly 108, and a safety fence 109 enclosing the robot assembly and the fixture quick-change assembly, wherein the control box assembly 105 and the moisture detection assembly 108 are both disposed on the periphery of the safety fence 109, a safety door 110 is disposed on one side of the safety fence 109, a door lock 204 connected to the safety fence 109 is disposed on the safety door 110, the safety fence 109 is provided with an opening 111 on the side opposite to the side where the safety door 110 is disposed, a fixed door 112 for installing a human-computer interaction operation assembly is connected to the side, a safety grating 113 is connected to the side of the fixed door 112 facing the robot assembly, a human-computer interaction display 114 and a control button box 115 are disposed on the side of the fixed door 112 facing away from the safety grating 113, an operation button 116 is disposed on the control, the operation button 116 is connected with the control box assembly 105 in a control mode, and the control box assembly 105 is respectively connected with the robot assembly, the water and gas detection assembly 108, the door lock 204, the safety grating 113 and the human-computer interaction display 114 in a control mode.

According to the standard flexible robot spot welding system provided by the embodiment, a robot assembly comprises a coping device, a robot base 101, a robot body 102 and a spot welding gun 103 which are sequentially connected, the coping device 104 is arranged on one side 103 of the spot welding gun, and a control box assembly 105 is respectively connected with the robot body 102, the coping device 104 and the spot welding gun 103 in a control mode;

The spot welding gun 103 is an executing device for the welding process, and when welding, after the corresponding pressure is applied to the parts by the installation process requirement and the program setting, the parts are electrified, so that a nugget can be formed between the two parts, and a welding spot can be formed between the two parts after the nugget is cooled;

The end face of the electrode is abraded in the working process of the spot welding gun 103, the contact area between the electrode and a workpiece is gradually increased along with the abrasion of the end face of the electrode, the current flowing in a unit area is reduced, namely the current density is reduced, the generated heat is reduced, when the heat is reduced to a certain degree, a nugget cannot be completely melted, the phenomena of insufficient welding and false welding are generated, in order to avoid the false welding phenomenon, the electrode needs to be ground after welding a certain number of welding points according to the welding process requirement, the grinding device 104 has the effect of driving a grinding blade by a motor, and the grinding gun is ground, so that the shape of the electrode is always kept in a good working state.

in the standard flexible robot spot welding system provided by the embodiment, the adopted control box assembly 105 comprises a system control box 201, a robot control box 202 and a welding control box 203, the operation button 116 is connected with the system control box 201 in a control mode, the system control box 201 is respectively connected with the robot control box 202 and the welding control box 203 in a control mode, the robot control box 202 is respectively connected with the robot body 102 and the coping device 104 in a control mode, and the welding control box 203 is connected with the spot welding gun 103 in a control mode;

The welding control box 203 can call a corresponding welding program according to a signal sent by the robot body 102 or the system control box 201, wherein the welding program comprises parameters such as the size of welding current, the length of electrifying time, the length of cooling time, the number of electrifying times and the like;

The robot control box 202 is used for controlling the running path of the robot body 102 and the action of the spot welding gun 103, processing signals between the robot body 102 and the system control box 201 according to a set program, sending a response welding condition number to the welding control box 203 according to process requirements, and controlling and processing related signals of the robot, the sharpening device 104, the welding clamp 107, the clamp quick-change base, the safety grating 113, the safety door 110 lock, the human-computer interaction display 114 and the water-gas detection assembly 108 according to the program setting.

According to the standard flexible robot spot welding system provided by the embodiment, two clamp quick-change assemblies are arranged between the surface of the robot base 101 and the safety grating 113 in parallel.

According to the standard flexible robot spot welding system provided by the embodiment, the adopted fixture quick-change assembly comprises a fixture switching base 106 and a welding fixture 107 arranged at the top of the fixture switching base 106.

The standard flexible robot spot welding system provided by the embodiment adopts the water vapor detection component 108 which comprises a water vapor detection box, and an air pressure sensor and a cold water flow sensor which are arranged on the water vapor detection box, wherein the water vapor detection component 108 is provided with the air pressure sensor and a cooling water flow sensor, and the water vapor detection component has the functions of monitoring whether the pressure of compressed air and the flow of circulating water of the whole system are normal or not in the welding process, when the pressure of the compressed air is too low, the clamping force of a welding clamp 107 on a workpiece is insufficient, the size of the workpiece after welding is finished is easy to be not in accordance with the design requirement, the electrode position in the welding process of a spot welding gun 103 generates very high temperature, the spot welding gun 103 needs to be cooled by cooling water, if the flow of the cooling water is too low, the nugget strength at the welding point cannot reach the design requirement, and in addition, the welding gun transformer is, the system can stop the operation of the equipment in time by monitoring the air sensor and the cooling water flow sensor on the water vapor unit when the air pressure or the cooling water flow is abnormal, and send an alarm to an operator through the man-machine interaction display 114.

The welding system of the standard flexible robot spot welding system provided by the embodiment is mainly used in the field of robot body metal plate resistance welding, when parts need to be welded, an operator enters a welding station (a clamp switching base 106) to install the unwelded parts on a welding clamp 107, the welding clamp 107 is used for positioning and clamping the parts according to the design size, and the size of the welded parts is ensured to meet the design requirements; after the unwelded part is mounted on the welding jig 107, a worker presses a jig button of the operation buttons 116 on the control button box 115, and the welding jig 107 clamps the part; the worker exits the welding station, presses the start button of the operation buttons 116 on the control button box 115, starts the robot body 102, and performs welding according to the set program and path.

The operator can check the current status and working parameters of the device through the human-computer interaction display 114, and can also set the relevant parameters through the human-computer interaction interface.

The safety grating 113 is composed of a transmitting end and a receiving end, when the transmitting end and the receiving end are blocked by an object, a safety signal is always transmitted to the control system by the safety grating 113, once the transmitting end and the receiving end are blocked by the object, the safety signal is disconnected, when the equipment works normally, an operator cannot enter the safety fence 109, when someone or other objects enter the safety fence 109, the operator must pass through the safety grating 113, the operator is blocked between the transmitting end and the receiving end of the safety grating 113 at the moment when the operator passes through the safety grating 113, at this time, the safety signal is disconnected, the control system sends an emergency stop signal to the robot, the robot stops working, and safety of the personnel and the equipment is guaranteed.

The safety door 110 and the door lock 204, when the door lock 204 is in a locking state, a safety signal is sent to the control system, once the door lock 204 is opened, the safety signal is disconnected, when the safety signal is disconnected, the robot can only be manually controlled and cannot automatically operate, when maintenance personnel need to enter the safety fence 109 to check and maintain equipment, the door lock 204 needs to be opened by operation and maintenance personnel, the robot enters the safety fence 109 from the safety door 110, at the moment, the robot can only be manually controlled and cannot automatically operate, and therefore when the maintenance personnel need to enter the safety fence 109, the personal safety of related personnel is guaranteed.

In conclusion, the standard flexible robot spot welding system can increase the flexibility of the whole spot welding system, is simple in structure and convenient to use, and effectively increases the production efficiency.

Specific embodiments of the invention have been described above. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by one skilled in the art within the scope of the claims without departing from the spirit of the invention, and without affecting the spirit of the invention.