Welding device and welding system

Abstract

The welding device comprises a welding head used for welding, a containing space used for containing materials is arranged in front of the welding head, the welding device further comprises a laser sensor, the laser sensor is arranged above the welding head, a first distance is formed between the laser sensor and the welding head, the laser sensor is provided with a laser receiving and transmitting part, and the laser receiving and transmitting part is arranged in the containing space. The laser receiving and transmitting part is arranged right opposite to the containing space and detects materials in the containing space. The laser sensor is adopted, the long detection distance is achieved, the first distance is kept between the laser sensor and the welding head during detection, the first distance is larger than the splashing distance of welding slag and sparks generated under conventional work, and the welding slag and the sparks are prevented from splashing to the laser sensor; and the laser sensor is prevented from being damaged by high-temperature welding slag and sparks.

Description

Technical Field

[0001] The present application relates to the technical field of welding, and in particular, to a welding device and a welding system. Background Art

[0002] With the continuous growth of the market demand for barrel products, the automatic production line for barrel ear welding has been widely used in various industries and fields. In order to ensure the welding quality and production efficiency of barrel ears, the monitoring of barrel ears during the welding process is particularly important. The traditional monitoring method for barrel ear welding mainly relies on manual visual inspection, which is inefficient and easily affected by human factors, and it is difficult to meet the requirements of modern production. Therefore, it is crucial to develop an efficient and reliable monitoring technology for the barrel ear welding process.

[0003] The existing monitoring technology for the barrel ear welding process mainly uses a fiber optic sensor. The fiber optic sensor is installed near the welding head and moves synchronously with the welding head to detect the situation of the barrel ear.

[0004] However, the sensing distance of the fiber optic sensor is relatively short, usually only 20 mm to 30 mm. During the welding process, welding slag and sparks will be generated by the welding head, and the welding slag and sparks are likely to splash onto the relatively close fiber optic sensor, resulting in the sensor being unable to work properly, thereby affecting the progress of the welding work and the welding quality. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present application is to provide a welding device and a welding system, which can detect the barrel ear at a long distance to avoid the splash of welding slag and sparks.

[0006] The above object of the present application is achieved by the following technical solutions:

[0007] A welding device includes a welding head for welding. There is a receiving space for placing materials in front of the welding head. Wherein, the welding device further includes a laser sensor, the laser sensor is arranged above the welding head, there is a first distance between the laser sensor and the welding head, the laser sensor has a laser transceiver part, the laser transceiver part is arranged facing the receiving space, and the laser transceiver part detects the materials in the receiving space.

[0008] By adopting the above technical solution, there is a first distance between the laser sensor and the welding head, which is greater than the distance of the splash of welding slag and sparks generated under normal welding work, avoiding the welding slag and sparks from splashing onto the laser sensor, enabling long-term use, reducing the production cost, and avoiding the impact on the subsequent production of the welding work and the welding quality.

[0009] This application is further configured such that the accommodating space includes a material placement space and a material detection space; the welding device further includes a housing that envelopes the welding head, and an opening is formed on the housing. One end of the welding head that realizes the welding function faces the opening, and there is a space between the end of the welding head that realizes the welding function and the opening to form the material placement space. One end of the material placement space opposite to the welding head forms an open material detection space; when the material is placed in the accommodating space, the material includes a fixing part disposed in the material placement space and a detection part disposed in the material detection space; the laser transceiver part is disposed opposite to the material detection space.

[0010] With the above technical solution, while the placement of the material is realized, a laser sensor is used to detect it.

[0011] This application is further configured to further include a material conveying device, and the material conveying device is connected to the accommodating space.

[0012] This application is further configured such that the material conveying device includes a conveying channel and a push rod. A push rod is disposed in the conveying channel, and the push rod pushes the material to enter the accommodating space from the conveying channel.

[0013] This application is further configured such that the material conveying device includes a vertical part and a horizontal part. One end of the vertical part is connected to one end of the horizontal part, and the other end of the horizontal part is connected to the accommodating space. A part of the push rod is telescopically disposed in the horizontal part.

[0014] This application is further configured such that the connection line between the laser sensor and the accommodating space is flush with the vertical part, and the first distance is the distance in the extending direction of the vertical part.

[0015] This application is further configured such that the first distance is greater than 30 mm and less than 500 mm.

[0016] A welding system for welding a material onto a barrel or tank structure includes the above-mentioned welding device, wherein the material is a barrel ear, and the welding head welds the material to the side wall of the barrel or tank structure.

[0017] This application is further configured such that the number of the welding devices is two, and the two welding devices are arranged oppositely.

[0018] In summary, the beneficial technical effects of this application are as follows:

[0019] 1. This application uses a laser sensor with a long detection distance. When detecting, the laser sensor maintains a first distance from the welding head, and this first distance is greater than the distance of the welding slag and spark splash generated under normal operation, avoiding the welding slag and spark splash onto the laser sensor and preventing damage to the laser sensor caused by the high-temperature welding slag and sparks.

[0020] 2. Setting a first distance between the laser sensor and the welding head in this application ensures that it is not splashed by welding slag and sparks, thereby enabling it to be used for a long time and reducing production costs. In addition, if the sensor fails and the production line needs to be stopped to replace the sensor, reinstall and debug, it will affect production and consume manpower, material resources and time. If it is not discovered and replaced in time, due to the damage of the sensor, the detection of the bucket ear cannot be practiced, which will affect the subsequent welding quality.

[0021] 3. This application uses a laser sensor with strong anti-interference ability, which can work normally in a harsh environment, and has high precision, enabling it to more accurately monitor whether the bucket ear is in place and whether it is welded. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the barrel and tank structure.

[0023] Figure 2 It is a schematic diagram of the material.

[0024] Figure 3 It is a schematic diagram of the welding device.

[0025] Figure 4 It is a schematic diagram of the accommodation space.

[0026] Figure 5 It is a schematic diagram of the accommodation space assembling the material.

[0027] Explanation of the reference numerals in the drawings: A, barrel and tank structure; A1, barrel body; A2, material; A21, fixing part; A22, detection part; 1, welding assembly; 11, welding head; 12, accommodation space; 13, housing; 131, opening; 2, laser sensor; 3, material conveying device; 31, vertical part; 32, horizontal part; 33, push rod. Detailed Description of the Embodiment

[0028] The following further describes this application in detail with reference to the drawings.

[0029] As Figure 1 shown, a barrel and tank structure A is shown. The barrel and tank structure A has a barrel body A1, and the material A2 is welded on the barrel body A1. In a preferred embodiment, the material A2 is a bucket ear.

[0030] As Figure 2As shown, the structure of the material A2 is shown. The material A2 includes a fixing part A21 and a detection part A22, and the fixing part A21 and the detection part A22 are connected to each other.

[0031] As Figures 3 to 5 shown, a welding device is shown, which includes a welding assembly 1. The welding assembly 1 includes a welding head 11 and a housing 13. The welding head 11 is arranged inside the housing 13. There is a receiving space 12 for placing the material A2 in front of the welding head 11. The receiving space 12 includes a material placement space and a material detection space, and the material placement space and the material detection space are connected. The fixing part A21 is arranged in the material placement space, and the detection part A22 is arranged in the material detection space.

[0032] Furthermore, the housing 13 covers the outside of the welding head 11. An opening 131 is formed on the housing 13. One end of the welding head 11 that realizes the welding function faces the opening 131. During the welding operation, the welding head 11 passes through the opening 131 for welding. There is a space between one end of the welding head 11 that realizes the welding function and the opening 131 to form a material placement space. The end of the material placement space opposite to the welding head 11 forms an open material detection space. The material placement space and the material detection space are connected through the opening 131.

[0033] Specifically, the material placement space is the space where a part of the material A2 is placed inside the housing, and the material detection space is the space that bears the part of the material A2 protruding outside the material placement space.

[0034] The fixing part A21 of the material A2 is placed in front of the welding head 11, which is convenient for the welding head 11 to accurately position and clamp, ensuring the stability and accuracy of the welding process. At the same time, accurate positioning can effectively reduce the deformation of the material A2 during the welding process, thus ensuring the welding quality.

[0035] The detection part A22 of the material A2 protrudes outside the material placement space, which is convenient for detecting the material A2. Since the detection part A22 is directly exposed in the open material placement space, it is convenient for detection.

[0036] Furthermore, referring to Figure 3 a laser sensor 2 is arranged above the welding head 11; furthermore, the laser transceiver part of the laser sensor 2 faces the material detection space, and the laser sensor 2 detects the detection part A22 of the material A2 after the material A2 enters the receiving space 12.

[0037] Specifically, the laser sensor 2 can select the optical sensor in the application document with the application number: CN115825921A; the laser transceiver part can select the combination of the light emission component and the light receiving component in the application document with the application number: CN115825921A.

[0038] Specifically, the laser sensor 2 can also be selected from the laser sensor in the patent document with the application number: CN213513096U; the laser transceiver unit can be selected from the combination of a diode laser emitter and a CCD photosensitive film in the patent document with the application number: CN213513096U.

[0039] Taking the above examples is only to illustrate that the specific structure and principle of the laser sensor 2 and its laser transceiver unit are conventional technical means in the art. The laser sensor 2 only needs to be able to detect at a relatively long distance, and the laser transceiver unit only needs to be able to realize the functions of laser emission and reception. For its specific principle, refer to the above examples and the conventional technology in the art, and will not be elaborated here.

[0040] Furthermore, there is a first distance between the laser sensor 2 and the welding head 11. Preferably, the first distance is greater than 30 mm and less than 500 mm; it should be noted that the relatively accurate detection distance that a general laser sensor 2 can achieve is 500 mm. In the prior art, the relatively accurate detection distance that a general fiber optic sensor can achieve is 30 mm.

[0041] More preferably, the first distance is greater than 200 mm; it should be noted that the distance of the welding slag and spark splash generated under normal operation is generally less than 200 mm, and the relatively accurate detection distance that a general laser sensor 2 can achieve is 500 mm; therefore, the preferred range of the first distance is 200 mm to 500 mm.

[0042] Even further, to balance the detection accuracy and the protection of the laser sensor 2, the range of the first distance is selected within 300 mm to 400 mm.

[0043] The laser sensor 2 has a long detection distance. Controlling the distance between the laser sensor 2 and the welding head 11 can prevent the welding slag and spark splash generated under normal operation from splashing onto the laser sensor 2, protecting the laser sensor 2.

[0044] Moreover, the cooperation between the laser sensor 2 and the accommodation space 12 realizes the whole process of placing the material A2, opening the monitoring point, and long-distance laser detection, with perfect cooperation.

[0045] Furthermore, the welding device further includes a material conveying device 3. The material conveying device 3 is connected to the accommodation space 12, and the material conveying device 3 sends the material A2 to the accommodation space 12 for subsequent welding.

[0046] Furthermore, the material conveying device 3 includes a conveying channel and a push rod 33. The push rod 33 is arranged in the conveying channel, and the push rod 33 pushes the material A2 to enter the accommodation space 12 from the conveying channel.

[0047] Specifically, the material conveying device 3 includes a vertical portion 31 and a horizontal portion 32. One end of the vertical portion 31 is connected to one end of the horizontal portion 32, and the other end of the horizontal portion 32 is connected to the accommodating space 12. A part of the push rod 33 is telescopically arranged in the horizontal portion 32. The material A2 directly falls under the influence of gravity in the vertical portion 31 and is pushed by the push rod 33 in the horizontal portion 32 and pushed into the accommodating space 12. Preferably, the push rod 33 is driven by hydraulic pressure or pneumatic pressure.

[0048] It should be noted that after the material conveying device 3 conveys the material A2 to the accommodating space 12, the laser sensor 2 detects the material A2 to confirm whether the material A2 is in place. During the welding process, the welding head 11 drives the material A2 to move towards the barrel body A1 for welding, and returns to the original position after welding. The laser sensor 2 detects the accommodating space 12 again. If the material A2 cannot be detected, it means that the material A2 is not in the accommodating space 12, and under normal procedures, the material A2 has been welded to the barrel body A1. It is worth noting that this application only detects the material. For the welding effect and whether the welding is successful, other technologies should be used for detection, which is not within the scope of discussion of this application.

[0049] Furthermore, the connection line between the laser sensor 2 and the accommodating space 12 is flush with the vertical portion 31, and the first distance is the distance along the direction of the vertical portion 31.

[0050] A welding system for welding the material A2 on the barrel and tank structure A includes the above-mentioned welding device. Among them, the material A2 is a barrel ear, and the welding head 11 welds the material A2 to the side wall of the barrel and tank structure A.

[0051] Furthermore, the number of welding devices is two, and the two welding devices are arranged oppositely to weld two oppositely arranged barrel ears on the barrel body A1.

[0052] The embodiments of this specific implementation manner are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A welding device, comprising a welding head (11) for welding, wherein there is a receiving space (12) for placing a material (A2) in front of the welding head (11), characterized in that, It further includes a laser sensor (2), the laser sensor (2) is arranged above the welding head (11), there is a first distance between the laser sensor (2) and the welding head (11), the laser sensor (2) is provided with a laser transceiver part, the laser transceiver part is arranged facing the accommodation space (12), and the laser transceiver part detects the material (A2) in the accommodation space (12).

2. The welding device according to claim 1, characterized in that, The accommodation space (12) includes a material placement space and a material detection space; The welding device further includes a housing (13), the housing (13) covers the outside of the welding head (11), an opening (131) is formed on the housing (13), one end of the welding head (11) for realizing the welding function faces the opening (131), there is a space between one end of the welding head (11) for realizing the welding function and the opening (131) to form the material placement space, and one end of the material placement space opposite to the welding head (11) forms an open material detection space; When the material (A2) is placed in the accommodation space (12), the material (A2) includes a fixing part (A21) arranged in the material placement space and a detection part (A22) arranged in the material detection space; The laser transceiver part is arranged facing the material detection space.

3. The welding device according to claim 1, characterized in that, It further includes a material conveying device (3), and the material conveying device (3) is connected to the accommodation space (12).

4. The welding device according to claim 3, wherein The material conveying device (3) includes a conveying channel and a push rod (33), the push rod (33) is arranged in the conveying channel, and the push rod (33) pushes the material (A2) to enter the accommodation space (12) from the conveying channel.

5. The welding device according to claim 4, characterized in that, The material conveying device (3) includes: a vertical part (31) and a horizontal part (32), one end of the vertical part (31) is connected to one end of the horizontal part (32), the other end of the horizontal part (32) is connected to the accommodation space (12), and a part of the push rod (33) is telescopically arranged in the horizontal part (32).

6. The welding device according to claim 5, characterized in that, The connection line between the laser sensor (2) and the accommodation space (12) is flush with the vertical part (31), and the first distance is the distance in the extending direction of the vertical part (31).

7. The welding device according to claim 1, characterized in that, The first distance is greater than 30 mm and less than 500 mm.

8. A welding system for welding a material (A2) onto a barrel structure (A), comprising the welding device according to any one of claims 1 to 7, characterized in that, The material (A2) is a barrel ear, and the welding head (11) welds the material (A2) to the side wall of the barrel tank structure (A).

9. The welding system according to claim 8, characterized in that, The number of the welding devices is two, and the two welding devices are arranged oppositely.

Images