A suspension type spot welding device facilitating welding of various automobile models

Abstract

The application discloses a suspension type spot welding device convenient for welding of various automobile models and relates to the technical field of welding equipment manufacturing. The suspension type spot welding device convenient for welding of various automobile models comprises a suspension device, a treatment device is fixedly connected to the outer wall of the suspension device, a gas tank is fixedly connected to the outer wall of the suspension device, the outer wall of the treatment device is fixedly connected with a placing rack, the outer wall of the suspension device is movably connected with a spot welding device, and the outer wall of the suspension device is fixedly connected with a weld joint detection mechanism. The suspension type spot welding device convenient for welding of various automobile models is provided with a direct light lamp at the top of an automobile part, and the bottom is provided with a black cloth, so that light can be effectively projected. Under the irradiation of the direct light lamp, the weld joint on the automobile part can be penetrated by the light, and then the light is displayed on the black cloth, so that the remaining weld joint can be observed, the observation effect of the weld joint is improved, and the omission of the weld joint is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding equipment manufacturing, in particular to a suspension type spot welding device convenient for welding of various automobile models. BACKGROUND

[0002] The suspension type spot welding commonly used in automobile model welding is a high-efficiency and flexible welding method. It adopts the principle of resistance welding, applies pressure through electrodes and uses the resistance heat generated by current through the joint for welding. The suspension type spot welding machine has compact structure, small size and is convenient to operate, and is especially suitable for positioning welding or welding of complex welding points on the automobile production line.

[0003] Refer to Chinese Publication No. CN118002901A, which discloses a suspension type spot welding device convenient for welding of various models, relating to the technical field of welding equipment manufacturing, comprising a suspension frame, a rotating part, a spot welding machine body, a first welding tongs and a second welding tongs, the suspension frame is rotatably connected with the rotating part, the rotating part is rotatably connected with the spot welding machine body, the spot welding machine body is fixedly connected with the first welding tongs, and the spot welding machine body is rotatably connected with the second welding tongs.

[0004] When welding an automobile, the welding of the weld may be missed, and the un-welded weld will cause the part to be unqualified, affecting the subsequent work efficiency. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a suspension type spot welding device convenient for welding of various automobile models to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme: a suspension type spot welding device convenient for welding of various automobile models, comprising a suspension device, a processing device fixedly connected to the outer wall of the suspension device, a gas tank fixedly connected to the outer wall of the suspension device, a placing rack fixedly connected to the outer wall of the processing device, a spot welding equipment movably connected to the outer wall of the suspension device, and a weld detection mechanism fixedly connected to the outer wall of the suspension device.

[0007] The weld detection mechanism comprises:

[0008] A bottom plate, the outer wall of which is fixedly connected to the outer wall of the suspension device.

[0009] A black cloth fixedly connected to the top of the bottom plate.

[0010] A slide rail connected between the outer wall of the slide rail and the outer wall of the placing rack through a support, the outer wall of the slide rail is slidingly connected with an electric sliding block, and the outer wall of the electric sliding block is fixedly connected with a direct light.

[0011] Preferably, the bottom of the slide rail is fixedly connected with a camera device, and the camera device faces the black cloth.

[0012] Preferably, the outer wall of the bottom plate is fixedly connected with a threaded plate, the outer wall of the threaded plate is provided with a threaded hole, and the inner wall of the threaded hole is threadedly connected with a first bolt.

[0013] Preferably, the outer wall of the first bolt is further threadedly connected with a friction block, the outer wall of the first bolt is fixedly connected with a limiting plate, and the outer wall of the limiting plate is threadedly connected with a second bolt.

[0014] Preferably, the outer wall of the direct light is fixedly connected with an auxiliary mechanism, the auxiliary mechanism comprises a pipeline, and the outer wall of the pipeline is fixedly connected with the outer wall of the direct light.

[0015] Preferably, the bottom of the pipeline is provided with an air flow port, and the outer wall of the pipeline is fixedly connected with a first zigzag pipe.

[0016] Preferably, the bottom of the first zigzag pipe is fixedly connected with a cleaning pipe, the outer wall of the cleaning pipe is fixedly connected with the bottom plate through a spring, and the bottom of the cleaning pipe is fixedly connected with a second zigzag pipe.

[0017] Preferably, the outer wall of the second zigzag pipe is fixedly connected with a fan, the outer wall of the fan is connected with the suspension device through a support, the inside of the fan is rotatably connected with a poking rod, the outer wall of the cleaning pipe is fixedly connected with a gravity rod, the outer wall of the gravity rod is fixedly connected with an arc-shaped rod, and the poking rod is in movable contact with the arc-shaped rod.

[0018] The application provides a suspension type spot welding device convenient for welding of various automobile models.

[0019] 1. The suspension type spot welding device convenient for welding of various automobile models, through the direct light arranged at the top of the automobile part and the setting of the black cloth at the bottom, the light can be effectively projected, the weld on the automobile part can pass through the light, and then the light is displayed on the black cloth, so that the remaining weld can be observed, the observation effect of the weld is improved, and the omission of the weld is avoided.

[0020] 2. The suspension type spot welding device convenient for welding of various automobile models, through the descending of the direct light driven by the electric sliding block, the descending of the direct light can be close to the weld of the automobile part, the imaging size on the black cloth is different according to the pinhole imaging principle, the observation effect of the weld is improved, the camera device can shoot the black cloth, the different sizes of the light can be easily checked by the staff, the check of the weld is ensured, the omission of the weld is avoided, and the influence on the subsequent work is reduced.

[0021] 3. This suspended spot welding device, which is convenient for welding various car models, blows air out from the air outlet and directly onto the car parts. The airflow will clean up the fallen welding slag, preventing the welding slag from obscuring the weld and making it impossible to effectively observe the weld, thus avoiding any omissions in the weld.

[0022] 4. This suspended spot welding device, which is convenient for welding various car models, blows air through a cleaning pipe onto a black cloth to clean the welding slag that falls onto the cloth, avoiding misjudgments caused by welding slag falling onto the cloth. During the rotation of the fan, the actuating rod rotates, which in turn moves the arc-shaped rod, causing the cleaning pipe to shake. The fluctuation of the actuating rod on the arc-shaped rod causes the cleaning pipe to change its angle. At this time, the cleaning pipe changes its angle and blows air onto the black cloth to clean the weld seam on the cloth, ensuring the cleaning of welding slag on the black cloth and ensuring the observation of the weld seam.

[0023] 5. This suspended spot welding device, which facilitates welding of various car models, fixes car parts by rotating the second bolt on the limiting plate. The first bolt can switch multiple threaded holes to change the height of the two limiting plates, and then fix car parts of different shapes. Moreover, the rotation of the first bolt can change the tilt angle of the limiting plate, and change the angle to fix the car parts, thus adapting to various car models. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the axial three-dimensional structure of the present invention;

[0025] Figure 2 This is a partial structural diagram of the weld inspection mechanism of the present invention;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the back side of the present invention;

[0027] Figure 4 For the present invention Figure 3 Enlarged structural diagram of section B in the middle;

[0028] Figure 5 This is a partial structural diagram of the direct-light lamp of the present invention;

[0029] Figure 6 This is a partial structural diagram of the camera device of the present invention;

[0030] Figure 7 For the present invention Figure 6 Enlarged structural diagram of section A in the middle;

[0031] Figure 8 This is a schematic diagram of a partial structure of the fan of the present invention.

[0032] In the figure: 1, spot welding equipment; 2, placing rack; 3, processing device; 4, gas tank; 5, suspension device; 6, weld detection mechanism; 61, bottom plate; 62, black cloth; 63, threaded plate; 64, threaded hole; 65, first bolt; 66, friction block; 67, limiting plate; 68, second bolt; 69, camera equipment; 610, sliding rail; 611, electric sliding block; 612, direct light; 7, auxiliary mechanism; 71, pipeline; 72, air flow port; 73, first curved pipe; 74, cleaning pipe; 75, second curved pipe; 76, spring; 77, fan; 78, gravity rod; 79, arc-shaped rod; 710, toggle lever. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0034] Examples of the described embodiments are shown in the accompanying drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0035] Embodiment one, please refer to Figures 1-5 The present application provides a technical solution: a suspension type spot welding device convenient for welding of various automobile models, comprising a suspension device 5, a processing device 3 fixedly connected to the outer wall of the suspension device 5, a gas tank 4 fixedly connected to the outer wall of the suspension device 5, a placing rack 2 fixedly connected to the outer wall of the processing device 3, a spot welding equipment 1 movably connected to the outer wall of the suspension device 5, and a weld detection mechanism 6 fixedly connected to the outer wall of the suspension device 5.

[0036] The weld detection mechanism 6 comprises:

[0037] A bottom plate 61, the outer wall of the bottom plate 61 is fixedly connected to the outer wall of the suspension device 5;

[0038] A black cloth 62, the black cloth 62 is fixedly connected to the top of the bottom plate 61;

[0039] A sliding rail 610, the outer wall of the sliding rail 610 is connected to the outer wall of the placing rack 2 through a support, the outer wall of the sliding rail 610 is slidingly connected to an electric sliding block 611, and the outer wall of the electric sliding block 611 is fixedly connected to a direct light 612.

[0040] The bottom of the sliding rail 610 is fixedly connected to a camera equipment 69, and the camera equipment 69 faces the direction of the black cloth 62.

[0041] The outer wall of the bottom plate 61 is fixedly connected with a threaded plate 63, the outer wall of the threaded plate 63 is provided with a threaded hole 64, and the inner wall of the threaded hole 64 is threadedly connected with a first bolt 65.

[0042] The outer wall of the first bolt 65 is also threadedly connected with a friction block 66, the outer wall of the first bolt 65 is fixedly connected with a limiting plate 67, and the outer wall of the limiting plate 67 is threadedly connected with a second bolt 68.

[0043] In use, the automobile parts to be welded are placed between the two limiting plates 67, and then the second bolt 68 on the limiting plate 67 is rotated to fix the automobile parts, the first bolt 65 can switch a plurality of threaded holes 64 to change the height of the two limiting plates 67, and then fix automobile parts of different shapes, and the rotation of the first bolt 65 can change the inclination angle of the limiting plate 67 to fix the automobile parts, the suspension device 5 is connected with the spot welding equipment 1 through the pulling rope, the spot welding equipment 1 is in a suspended state, and then the automobile parts are spot welded, the direct light 612 is arranged at the top of the automobile parts, and then the black cloth 62 is arranged at the bottom, under the irradiation of the direct light 612, the welds on the automobile parts can be seen through the light, and the light is displayed on the black cloth 62, so that the remaining welds can be observed, after welding is completed, the electric sliding block 611 is powered on to start descending on the sliding rail 610, and then the direct light 612 is driven to descend, at this time, the direct light 612 is close to the welds of the automobile parts, and in the pinhole imaging principle, there is a certain relationship between the object distance, i.e. the distance between the direct light 612 and the welds, and the image distance, i.e. the distance between the black cloth 62 and the welds, when the object distance decreases, i.e. the direct light 612 is close to the welds, the image distance also decreases correspondingly, but the size of the image increases, because as the object distance decreases, more light can pass through the welds and be projected on the screen, so that the size of the image is increased, and then the camera device 69 photographs the black cloth 62, and the size of the light can be easily checked by the worker.

[0044] Embodiment two, please refer to Figures 1-8 On the basis of embodiment one, the application provides a technical solution:

[0045] The outer wall of the direct light 612 is fixedly connected with an auxiliary mechanism 7, the auxiliary mechanism 7 comprises a pipeline 71, and the outer wall of the pipeline 71 is fixedly connected with the outer wall of the direct light 612.

[0046] The bottom of the pipeline 71 is provided with an air flow port 72, and the outer wall of the pipeline 71 is fixedly connected with a first zigzag pipe 73.

[0047] The bottom of the first zigzag pipe 73 is fixedly connected with a cleaning pipe 74, the outer wall of the cleaning pipe 74 is fixedly connected with the bottom plate 61 and is provided with a spring 76, and the bottom of the cleaning pipe 74 is fixedly connected with a second zigzag pipe 75.

[0048] The outer wall of the second zigzag pipe 75 is fixedly connected with a fan 77, the outer wall between the fan 77 and the suspension device 5 is connected through a support, the inner wall of the fan 77 is rotatably connected with a poking rod 710, the outer wall of the cleaning pipe 74 is fixedly connected with a gravity rod 78, the outer wall of the gravity rod 78 is fixedly connected with an arc-shaped rod 79, and the poking rod 710 is in movable contact with the arc-shaped rod 79.

[0049] In use, the fan 77 is powered on and started, the fan 77 is connected to the pipeline 71 through the second zigzag pipe 75, the cleaning pipe 74 and the first zigzag pipe 73, then air flow is blown out from the air flow port 72, the air flow is directly blown onto the automobile part, the flow of the air flow can clean the falling welding slag, so as to avoid that the welding slag is shielded at the welding position, the cleaning pipe 74 is arranged at the position of the black cloth 62, the cleaning pipe 74 blows out the air flow to the black cloth 62, then the falling welding slag on the black cloth 62 is cleaned, then the fan 77 is internally provided with a fan blade which rotates, in the rotating process, the poking rod 710 is rotated, then the rotation of the poking rod 710 pokes the arc-shaped rod 79, so as to pull and shake the cleaning pipe 74, the subsequent spring 76 can drive the cleaning pipe 74 to reset under the elasticity of the spring 76, the fluctuation of the poking rod 710 to the arc-shaped rod 79 drives the cleaning pipe 74 to change the angle, at this time, the cleaning pipe 74 changes the angle to blow out the air flow to the black cloth 62, and the welding seam on the black cloth 62 is cleaned.

[0050] Embodiment three, please refer to Figures 1-8 On the basis of the embodiment one and the embodiment two, the application provides a technical scheme:

[0051] A suspension type spot welding system convenient for welding of various automobile models,

[0052] In actual application, a mode recognition algorithm is arranged to analyze data provided by the image processing device and recognize the change mode of the projection size;

[0053] Further, an alarm system is arranged to trigger an alarm when a significant change of the projection size is recognized;

[0054] The suspension device 5 is externally fixedly connected with the processing device 3, the outer wall of the suspension device 5 is fixedly connected with the gas tank 4, the outer wall of the processing device 3 is fixedly connected with the placing rack 2, and the outer wall of the suspension device 5 is movably connected with the spot welding device 1.

[0055] In actual application, the above device adopts a commonly used device on the market;

[0056] The outer wall of the suspension device 5 is fixedly connected with the welding seam detection mechanism 6.

[0057] The welding seam detection mechanism 6 comprises:

[0058] The outer wall of the bottom plate 61 is fixedly connected with the outer wall of the suspension device 5.

[0059] The black cloth 62 is fixedly connected to the top of the bottom plate 61;

[0060] The outer wall of the sliding rail 610 is connected with the outer wall of the placing rack 2 through a support, the outer wall of the sliding rail 610 is slidably connected with an electric sliding block 611, and the outer wall of the electric sliding block 611 is fixedly connected with a direct light 612;

[0061] In actual application, the direct light 612 is used for capturing the light projection.

[0062] In actual application, the direct light 612 is a direct light.

[0063] The bottom of the sliding rail 610 is fixedly connected with a camera device 69, and the camera device 69 faces the direction of the black cloth 62.

[0064] The outer wall of the bottom plate 61 is fixedly connected with a threaded plate 63, the outer wall of the threaded plate 63 is provided with a threaded hole 64, and the inner wall of the threaded hole 64 is threadedly connected with a first bolt 65.

[0065] In actual application, an image processor is further arranged, which is responsible for real-time processing of the video frame captured by the direct light 612, and extracting key information such as the contour and area of the projection;

[0066] The outer wall of the first bolt 65 is further threadedly connected with a friction block 66, the outer wall of the first bolt 65 is fixedly connected with a limiting plate 67, and the outer wall of the limiting plate 67 is threadedly connected with a second bolt 68.

[0067] Small hole imaging principle, in small hole imaging, there is a certain relationship between the object distance, that is, the distance between the direct light 612 and the weld, and the image distance, that is, the distance between the black cloth 62 and the weld, when the object distance decreases, that is, the direct light 612 is close to the weld, the image distance will also decrease accordingly, but the size of the image will increase, because with the decrease of the object distance, more light can pass through the weld and project on the screen, thereby increasing the size of the image.

[0068] The program is:

[0069] import cv2

[0070] import numpy as np

[0071] def detect_projection_area(frame, roi):

[0072] """

[0073] Detect the area of the light projection in the black cloth 62.

[0074] roi: (x, y, width, height)

[0075] """

[0076] # Extract ROI

[0077] roi_frame = frame[roi[1]:roi[1]+roi[3], roi[0]:roi[0]+roi[2]]

[0078] # Calculate projected area (number of non-zero pixels)

[0079] area = np.count_nonzero(thresh)

[0080] return area

[0081] def main():

[0082] # Read video file

[0083] cap = cv2.VideoCapture('path_to_your_video.mp4') # Replace with your video file path

[0084] # Set ROI (this needs to be set according to your video content)

[0085] roi = (100, 100, 200, 150) # Example ROI

[0086] # Initialize previous area and threshold

[0087] prev_area = 0

[0088] area_threshold = 500 # Set threshold for area change

[0089] while True:

[0090] ret, frame = cap.read()

[0091] if not ret:

[0092] break

[0093] # Detect projected area of current frame

[0094] current_area = detect_projection_area(frame, roi)

[0095] # Check if area change exceeds threshold

[0096] if abs(current_area - prev_area) > area_threshold:

[0097] print("Alert: Significant change in projected area!")

[0098] # You can add the actual alarm trigger code here.

[0099] # Update the previous area

[0100] prev_area = current_area

[0101] # Display results (optional, for debugging purposes only)

[0102] # cv2.imshow('Frame', frame)

[0103] # if cv2.waitKey(1) & 0xFF == ord('q'):

[0104] # break

[0105] # Release resources and close the window

[0106] cap.release()

[0107] # cv2.destroyAllWindows()

[0108] if __name__ == "__main__":

[0109] main().

[0110] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A suspended spot welding device for easy welding of various automobile models, comprising a suspension device (5), a processing device (3) fixedly connected to the outer wall of the suspension device (5), a gas tank (4) fixedly connected to the outer wall of the suspension device (5), a placement rack (2) fixedly connected to the outer wall of the processing device (3), and a spot welding device (1) movably connected to the outer wall of the suspension device (5), characterized in that: The outer wall of the suspension device (5) is fixedly connected to a weld inspection mechanism (6); The weld inspection mechanism (6) includes: The base plate (61) has its outer wall fixedly connected to the outer wall of the suspension device (5); A black cloth (62) is fixedly connected to the top of the base plate (61); The slide rail (610) is connected to the outer wall of the placement rack (2) by a bracket. An electric slider (611) is slidably connected to the outer wall of the slide rail (610), and a direct light (612) is fixedly connected to the outer wall of the electric slider (611). A camera device (69) is fixedly connected to the bottom of the slide rail (610), and the camera device (69) faces the direction of the black cloth (62); The outer wall of the base plate (61) is fixedly connected to a threaded plate (63), and the outer wall of the threaded plate (63) is provided with a threaded hole (64), and the inner wall of the threaded hole (64) is threadedly connected to a first bolt (65). The outer wall of the first bolt (65) is also threaded with a friction block (66), and the outer wall of the first bolt (65) is fixedly connected with a limiting plate (67), and the outer wall of the limiting plate (67) is threaded with a second bolt (68). In use, the car parts to be welded are placed between the two limiting plates (67), and then the second bolt (68) on the limiting plate (67) is rotated to fix the car parts. The first bolt (65) can switch multiple threaded holes (64) to change the height of the two limiting plates (67) and then fix car parts of different shapes. Moreover, the rotation of the first bolt (65) can change the tilt angle of the limiting plate (67) and fix the car parts by changing the angle. The suspension device (5) is connected to the spot welding equipment (1) through the pull rope. The spot welding equipment (1) is in a suspended state and then the car parts are spot welded. The direct beam lamp (612) is set Placed on top of the car part, and then with the black cloth (62) set at the bottom, the weld seam on the car part will be illuminated by the direct light (612) and the light will be displayed on the black cloth (62). The remaining weld seam can be observed. After the welding is completed, the electric slider (611) is powered on and starts to descend on the slide rail (610), which will drive the direct light (612) to descend. At this time, the descent of the direct light (612) will approach the weld seam of the car part. Then the camera device (69) takes a picture of the black cloth (62) and detects the area of ​​the light projection inside the black cloth (62). It checks whether the area change exceeds the threshold. When the projection area changes significantly, an alarm is issued.

2. The suspended spot welding device for facilitating welding of various automobile models according to claim 1, characterized in that: An auxiliary mechanism (7) is fixedly connected to the outer wall of the direct light (612). The auxiliary mechanism (7) includes a pipe (71), and the outer wall of the pipe (71) is fixedly connected to the outer wall of the direct light (612).

3. The suspended spot welding device for facilitating welding of various automobile models according to claim 2, characterized in that: An air outlet (72) is provided at the bottom of the pipe (71), and a first tortuous pipe (73) is fixedly connected to the outer wall of the pipe (71).

4. The suspended spot welding device for facilitating welding of various automobile models according to claim 3, characterized in that: A cleaning tube (74) is fixedly connected to the bottom of the first tortuous tube (73), and a spring (76) is fixedly connected between the outer wall of the cleaning tube (74) and the bottom plate (61). A second tortuous tube (75) is fixedly connected to the bottom of the cleaning tube (74).

5. A suspended spot welding device for facilitating welding of various automobile models according to claim 4, characterized in that: A fan (77) is fixedly connected to the outer wall of the second tortuous tube (75). The outer wall of the fan (77) is connected to the suspension device (5) by a bracket. A lever (710) is rotatably connected inside the fan (77). A gravity rod (78) is fixedly connected to the outer wall of the cleaning tube (74). An arc rod (79) is fixedly connected to the outer wall of the gravity rod (78). The lever (710) and the arc rod (79) are in contact.

Images