A device for adjusting the welding and testing of a joint

Abstract

This application discloses a welding and inspection device for adjusting joints, comprising a rectangular sheet metal structure with an internal cavity as the base; a rotary worktable with a turntable located at the center of the base, with multiple molds for mounting semi-finished adjusting joints evenly spaced around the turntable; a spring posture detection component sequentially mounted on the base to detect the installation direction of the springs inside the semi-finished adjusting joints on the molds; a conveying component to convey the embedded block from a vibratory feeder to a temporary storage position above the welding station; an ultrasonic welding component to transfer the embedded block to the semi-finished adjusting joint and weld it; a joint pre-ejection component to separate the spring from the spherical sleeve; a dimensional detection component to detect whether the dimensions of the adjusted joint after welding meet the preset tolerance range; and a unloading component to remove the adjusted joint after dimensional detection from the turntable. All components are arranged sequentially along the rotation direction of the turntable, and the working positions match the mold positions, achieving fully automated operation and effectively improving production efficiency and product quality.

Description

Technical Field

[0001] This application relates to a welding and testing device for adjusting joints, belonging to the technical field of automotive parts processing and production equipment. Background Technology

[0002] In the production process of adjusting joints (such as automotive ball joints), it is necessary to weld the insert block to the semi-finished joint and ensure that the spring installation direction is correct, the welding quality is reliable, and the assembly dimensions are accurate. Traditional processes rely on manual operation, which suffers from low efficiency, insufficient inspection accuracy, and easy omissions. This application aims to provide a fully automated semi-automated device that integrates spring posture detection, insert block conveying, ultrasonic welding, assembly dimension restoration, dimension inspection components, and qualified / scrap product sorting, thereby improving production efficiency and product quality. Summary of the Invention

[0003] The purpose of this application is to provide a semi-automated device for the entire process, which integrates spring posture detection, embedded block conveying, ultrasonic welding, assembly dimension restoration, dimension detection components and qualified / scrap product sorting, thereby improving production efficiency and product quality.

[0004] The technical problem to be solved in this application is achieved by the following technical solution: A welding and testing device for adjusting joints, comprising: The base is a rectangular sheet metal structure that provides overall support and stability for the device, and the base has a cavity inside; the protective cabin is installed on the base and includes a maintenance interlock protective door and a manual work area; A rotary worktable is located in the center of the base. A turntable is installed on the rotary worktable, and multiple molds are arranged at equal intervals along the circumference of the turntable. The molds are used to install and adjust the semi-finished joints. A spring posture detection component is installed on the base and is used to detect whether the installation direction of the spring in the semi-finished product of the adjustment joint on the mold is correct. A conveying assembly, mounted on the base, is used to convey the embedded block from the vibratory feeder to a temporary storage position above the welding station; An ultrasonic welding assembly, mounted on the base, is used to transfer the embedded block onto the semi-finished adjusting joint for welding. The connector pre-mounted assembly is installed on the base to separate the spring from the spherical sleeve; A dimension inspection component, installed on the base, is used to inspect whether the key dimensions of the welded adjustment joint meet the preset tolerance range; A feeding assembly, mounted on the base, is used to remove the adjustment joint, after dimensional inspection, from the turntable; The spring posture detection component, ultrasonic welding component, joint pre-ejection component, size detection component, and unloading component are arranged sequentially along the rotation direction of the turntable (clockwise), and the working position of each component matches the mold position on the turntable to realize fully automated operation.

[0005] Preferably, the spring attitude detection component includes: The testing bracket is fixedly connected to the base. The first detection cylinder is fixedly connected to the detection bracket, and a sliding groove is provided on the first detection cylinder; A sliding bracket is provided with a slider that matches the sliding groove. The sliding bracket is slidably connected to the first detection cylinder through the slider, and the sliding bracket is fixed to the piston rod of the first detection cylinder. An elastic sleeve is installed on the sliding bracket, and the center line of the elastic sleeve coincides with the center line of the spring mounting position in the semi-finished adjusting joint on the mold. The sliding bracket is also equipped with a magnetic switch. When the spring is present and in the correct position, the permanent magnet at the end of the elastic sleeve is pushed into the sensing range of the magnetic switch to form a closed circuit. The closed circuit triggers the built-in LED light of the magnetic switch to light up. When the spring is missing, the elastic sleeve cannot push the permanent magnet at the end into the sensing range of the magnetic switch. The magnetic field strength is insufficient to form a closed circuit, and the LED light of the magnetic switch goes out. If the spring position is offset, the relative position of the permanent magnet and the magnetic switch deviates from the effective area, the magnetic field effect weakens, and a closed circuit cannot be formed, causing the magnetic switch LED light to turn off.

[0006] Preferably, the conveying assembly includes: The linear vibrating track is connected to the discharge port of the vibrating plate feeding device at one end, and the linear vibrator continuously vibrates the embedded block to achieve linear transmission. A feeding mechanism is used to transport the embedded blocks on the linear vibrating track to a temporary storage position above the welding station.

[0007] Preferably, the feeding mechanism includes: A first feeding bracket is fixedly connected to the base. A guide rail is provided on the first feeding bracket, and a first feeding cylinder is also fixedly connected to the first feeding bracket. The slide plate is slidably connected to the guide rail and fixed to the piston rod of the first feeding cylinder. The slide plate is provided with a limit part, and a second feeding cylinder is also fixedly connected to the slide plate. The second feeding bracket is slidably connected to the second feeding cylinder, and the second feeding bracket is fixed to the piston rod of the second feeding cylinder; The jet head is fixedly connected to the second feeding bracket and passes through the limiting part. The jet head is used to deliver the embedded block to the ultrasonic welding assembly by high-pressure gas.

[0008] Preferably, the ultrasonic welding assembly includes: An ultrasonic generator is installed in the cavity within the base; The transducer is fixedly connected to the base via a support rail, and the transducer is slidably connected to the support rail. A drive cylinder is installed on the support rail to drive the transducer to slide along the support rail. The amplitude transformer is connected to the output end of the transducer via a precision thread; The welding head is screwed onto the amplitude transformer rod. The welding head is cylindrical and has an air cavity. An air intake port and an air exhaust port are provided on the side wall of the welding head. Both the air intake port and the air exhaust port are connected to the air cavity.

[0009] Preferably, the ultrasonic welding assembly further includes a load-bearing cylinder, which is fixedly connected to the base and located directly below the welding head. The load-bearing cylinder is used to push the turntable upward during the welding process to prevent the turntable from deviating.

[0010] Preferably, the joint pre-jacking assembly: A downward pressure cylinder is fixedly connected to the base via a downward pressure cylinder bracket, and the downward pressure cylinder is used to fix the adjustment joint; An upper-lifting cylinder is fixedly connected to the base and is used to lift the dome pillar located on the mold; the dome pillar passes through the mold and the turntable, and the dome pillar is slidably connected to both the mold and the turntable; The upper cylinder is used to ensure that the assembly dimensions are restored to the design state by re-separating the spring and the spherical sleeve.

[0011] Preferably, the size detection component includes: The support base is fixedly connected to the base. The second detection cylinder is fixedly connected to the support base; The pressure plate is fixedly connected to the piston rod of the second detection cylinder; A displacement sensor, installed on the top of the support base, is used to detect the thickness of the adjustment joint to be measured by the pressure plate.

[0012] Preferably, the feeding assembly includes: A guide rail support is fixedly connected to the base, and a horizontal guide rail is provided on the guide rail support. A first feeding cylinder is fixedly connected to the guide rail support. A vertical guide rail seat is slidably connected to the horizontal guide rail via a slider. The vertical guide rail seat is fixed to the piston rod of the first feeding cylinder. A second feeding cylinder is fixedly connected to the vertical guide rail seat. A vertical guide rail is provided on the vertical guide rail seat. The parallel gripper cylinder seat is slidably connected to the vertical guide rail via a slider, and the parallel gripper cylinder seat is fixed to the piston rod of the second unloading cylinder; A parallel gripper cylinder is fixedly connected to the parallel gripper cylinder seat, and two symmetrically arranged gripper arms are connected to the parallel gripper cylinder via gripper guide rails.

[0013] Preferably, the feeding assembly further includes a gravity guide trough mechanism, the gravity guide trough mechanism including a rotary cylinder fixedly connected to the base, a selection trough fixedly connected to the piston rod of the rotary cylinder, and a qualified product guide trough and a waste product guide trough fixedly connected to the base. The selection trough has a first station and a second station. When the selection trough is located at the first station, the selection trough is connected to the qualified product guide trough; when the selection trough is located at the second station, the selection trough is connected to the waste product guide trough.

[0014] Preferably, a welding and inspection process for adjusting joints includes the following steps: Workpiece installation: The worker installs the semi-finished adjusting connector onto the mold on the turntable of the rotary worktable at the manual position, and then puts the spring into the spherical sleeve on the semi-finished adjusting connector. Spring posture detection: The spring posture detection component is used to check whether the installation direction of the spring in the semi-finished adjusting joint on the mold is correct. During the detection, the first detection cylinder drives the sliding bracket to move through the sliding groove and the slider, so that the center line of the elastic sleeve coincides with the center line of the spring installation position. When the spring is present and in the correct position, the permanent magnet at the end of the elastic sleeve is pushed into the sensing range of the magnetic switch, forming a closed circuit and triggering the built-in LED of the magnetic switch to light up. When the spring is missing or the spring position is off, the LED of the magnetic switch goes out and sends the signal information to the PLC-based automation control unit. This unit sends a reverse command to the servo motor, so that the turntable reverses one-eighth of a revolution. Embedded block conveying: The embedded block is conveyed from the vibratory feeder to the temporary storage position above the welding station by the conveying component; specifically, one end of the linear vibrating track is connected to the discharge port of the vibratory feeder, and the embedded block is linearly transmitted by continuous micro-vibration of the linear vibrator. Then, the feeding mechanism conveys the embedded block on the linear vibrating track to the temporary storage position. In the feeding mechanism, the first feeding cylinder drives the slide plate to move along the guide rail, the second feeding cylinder drives the second feeding bracket to move, and the jet head penetrates the limiting part of the slide plate and sends the embedded block to the ultrasonic welding component by high pressure gas and upward. Ultrasonic welding: The ultrasonic welding assembly transfers the embedded block to the semi-finished adjusting joint for welding; the ultrasonic generator is installed in the cavity of the base, the transducer is fixed to the base by the support rail and is driven to slide by the drive cylinder, the amplitude rod is connected to the output end of the transducer by a precision thread, the welding head is screwed to the amplitude rod, the air intake and air exhaust ports on the side wall of the cylindrical air chamber of the welding head participate in the welding operation, and the load-bearing cylinder pushes the turntable upward under the welding head to prevent it from deviating; Pre-ejection treatment of the joint: The joint pre-ejection assembly is used to separate the spring from the spherical sleeve; the lowering cylinder is fixed to the base through the lowering cylinder bracket to fix the adjusting joint, and the uppering cylinder is fixed to the base and pushes the dome column located on the mold and turntable and slidably connected. By extending twice in succession (the first time lightly pushes to test, and the second time fully pushes out) to collide with the dome column, the spherical sleeve is subjected to the pushing force and the spring is compressed to the point of disengagement, ensuring that the assembly dimensions are restored to the design state; Dimension Inspection Component: The dimension inspection component is used to check whether the key dimensions of the welded adjustment joint meet the preset tolerance range; the support base is fixed to the base, the second detection cylinder drives the pressure plate, the displacement sensor is installed on the top of the support base to detect the thickness dimension of the adjustment joint to be tested pressed by the pressure plate, and transmits it to the PLC-based automatic control unit through an electrical signal and compares it with the preset tolerance range; Material feeding and sorting: The feeding assembly removes the adjustment joints from the turntable after size inspection and sorts them according to the inspection results; the guide rail support is fixed to the base, the first feeding cylinder drives the vertical guide rail seat to move along the horizontal guide rail, the second feeding cylinder drives the parallel gripper cylinder seat to move along the vertical guide rail, the parallel gripper cylinder grabs the adjustment joints through the gripper arm, and the rotary cylinder of the gravity guide trough mechanism drives the selection trough according to the inspection results. When the selection trough is in the first station, it is connected to the qualified product guide trough, and when it is in the second station, it is connected to the waste product guide trough, so as to realize the sorting of qualified products and waste products.

[0015] The beneficial effects of this application are: 1. Sturdy structure and easy to operate and maintain. The base adopts a rectangular sheet metal structure, providing stable support and ensuring stable operation of the device. An internal cavity integrates various key components, making efficient use of space.

[0016] The bottom is equipped with casters and adjustable support legs for easy movement and stable placement of the equipment; a side fan is installed to meet heat dissipation needs, and a maintenance door is also provided for easy maintenance and repair of internal components.

[0017] 2. Achieve fully automated operation: The spring posture detection component, ultrasonic welding component, joint pre-ejection component, dimension detection component, and unloading component are arranged sequentially along the rotation direction of the turntable, and the working position matches the mold position on the turntable. Each link is closely connected, which improves production efficiency, reduces manual intervention, and reduces labor intensity and human error.

[0018] 3. Precise and efficient spring posture detection: The spring posture detection component, in conjunction with elastic sleeves and magnetic switches, can accurately detect the presence and correct position of the spring, and promptly feed the signal back to the automation control unit, so that the turntable can make corresponding actions and ensure the normal operation of subsequent processes.

[0019] 4. Stable and reliable conveying of embedded blocks: The conveying assembly utilizes a linear vibrating track and a feeding mechanism. Driven by a linear vibrator and various cylinders, it can stably convey the embedded blocks from the vibratory feeder to the temporary storage position above the welding station, and then accurately deliver them to the ultrasonic welding assembly.

[0020] 5. High ultrasonic welding quality: The ultrasonic welding assembly has reasonable coordination among its components. The ultrasonic generator, transducer, amplitude transformer and welding head work together. The welding head is equipped with an air intake and an air exhaust port, which facilitates the fixing of the embedded block and the separation and cooling of the welding head. The load-bearing cylinder prevents the turntable from deviating and ensures the welding quality.

[0021] 6. Excellent pre-coiling effect of the joint: The joint pre-coiling component fixes and adjusts the joint by pressing down the cylinder, and the upper cylinder extends twice to collide with the dome column, so that the spring and the spherical sleeve are separated, ensuring that the assembly dimensions are restored to the design state and improving product quality.

[0022] 7. Accurate and convenient dimension inspection: The dimension inspection component drives the pressure plate to fix the adjustment joint through the second inspection cylinder. The displacement sensor detects the thickness dimension and feeds it back to the automatic control unit for comparison with the preset tolerance range, which can accurately determine whether the adjustment joint is qualified.

[0023] 8. Intelligent and rational material feeding and sorting: The feeding component uses cylinders to drive parallel gripper cylinders to grab and adjust the joints, and the gravity guide trough mechanism drives the sorting trough according to the detection results, realizing automatic sorting of qualified products and waste products, improving production efficiency and product quality stability. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the present application; Figure 2 This is a schematic diagram of the unprotected cabin three-dimensional structure of this application. Figure 1 ; Figure 3 This is a schematic diagram of the unprotected cabin three-dimensional structure of this application. Figure 2 ; Figure 4 This is a three-dimensional structural diagram of the hollow rotary table of this application; Figure 5 This is a three-dimensional structural schematic diagram of the spring attitude detection component of this application; Figure 6 This is a three-dimensional structural diagram of the conveying component of this application; Figure 7 This is a three-dimensional structural diagram of the ultrasonic welding assembly of this application; Figure 8 This is a three-dimensional structural diagram of the connector pre-mounting assembly and the dimension detection assembly of this application; Figure 9 This is a three-dimensional structural diagram of the feeding component of this application.

[0025] In the picture: 1. Base; 101. Protective cabin; 202. Work station; 2. Rotary worktable; 201. Turntable; 202. Tool mold; 203. Dome column; 204. Housing; 205. Positioning shaft; 206. Hollow flange worm gear bushing; 207. Worm; 208. First synchronous pulley; 209. Servo motor; 210. Second synchronous pulley; 211. Synchronous belt; 212. Dust cover 3. Spring attitude detection assembly; 301. Detection bracket; 302. Sliding bracket; 303. Elastic sleeve; 304. Magnetic switch; 305. First detection cylinder 4. Conveying assembly; 401. Linear vibrating track; 402. First feeding bracket; 403. First feeding cylinder; 404. Slide plate; 405. Limiting part; 406. Second feeding cylinder; 407. Second feeding bracket; 408. Jet nozzle; 409. Linear vibrator 5. Ultrasonic welding assembly; 501. Support rail; 502. Transducer; 503. Amplitude bar; 504. Welding head; 505. Air intake; 506. Air jet; 507. Load-bearing cylinder; 6. Connector pre-lift assembly; 601. Downward pressing cylinder; 602. Downward pressing cylinder bracket; 603. Upward pressing cylinder; 7. Dimension detection assembly; 701. Support base; 702. Second detection cylinder; 703. Pressure plate; 704. Displacement sensor; 8. Feeding assembly; 801. Guide rail support; 802. Horizontal guide rail; 803. First feeding cylinder; 804. Vertical guide rail seat; 805. Second feeding cylinder; 806. Parallel gripper cylinder seat; 807. Parallel gripper cylinder; 808. Gripper arm; 809. Rotary cylinder; 810. Selection trough; 811. Qualified product guide trough; 812. Scrap product guide trough; 9. Vibratory feeder; 10. Embedded block; 11. Adjusting connector semi-finished product. Detailed Implementation

[0026] To facilitate a clear understanding of the technical means, creative features, objectives, and effects of this application, the following description, in conjunction with specific illustrations, further elaborates on this application.

[0027] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] The following disclosure provides numerous different embodiments or examples for implementing various structures of the embodiments of this application. To simplify the disclosure of the embodiments of this application, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of this application; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in the embodiments of this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0031] like Figures 1-9As shown, a welding and testing device for adjusting joints includes: a base 1, a rotary worktable 2, a spring posture detection component 3, a conveying component 4, an ultrasonic welding component 5, a joint pre-ejection component 6, a size detection component 7, and a material unloading component 8.

[0032] Specifically, the base 1 adopts a rectangular sheet metal structure, providing stable support for the entire device and ensuring its operational stability. The base 1 has an internal cavity that integrates several key components: an ultrasonic generator, integrated air source processing elements (including solenoid valve groups and air tanks), and an electrical control cabinet. The electrical control cabinet houses a PLC-based automated control unit, which is electrically connected to the solenoid valve groups, sensors, servo motors, etc. The solenoid valve groups are integrated and installed inside the base 1, connecting the air source to the welding head, jet nozzle, and various cylinders via air pipes. The opening and closing of the valve islands is precisely controlled by the PLC-based automated control unit, thereby achieving precise control of the cylinder action timing. The protective chamber 101 is installed on the base 1, and its structure includes a maintenance interlock protective door and a manual work station 202, providing safety and operating space for personnel and equipment. The manual work station 202 is mainly used to insert springs into the spherical sleeves within the finished adjusting connector. The base 1 is equipped with casters and adjustable support legs at its bottom for easy movement and stable placement of the equipment. A fan is also installed on the side of the base 1 to accelerate airflow within the cavity and ensure adequate heat dissipation for the internal components. Furthermore, a maintenance door is located on the side of the base 1 for easy access to and repair of the internal components.

[0033] A rotary worktable 2 is positioned at the center of the base 1, on which a turntable 201 is mounted. Eight molds 202 are evenly spaced along the circumference of the turntable 201; these molds 202 are used to install and adjust the semi-finished joints. The rotary worktable 2 specifically consists of a hollow rotary platform and a servo drive mechanism that drives the hollow rotary platform to rotate. The hollow rotary platform, mounted at the center of the base 1, includes a housing 204, with an internal mounting cavity. A positioning shaft 205 is fixedly mounted within the mounting cavity, and the positioning shaft 205 is rotatably connected to a hollow flange worm gear sleeve 206 via bearings. Simultaneously, the hollow flange worm gear sleeve 206 is also rotatably connected to the housing 204. A worm 207 is also rotatably connected to the housing 204 via bearings. The worm 207 meshes with the hollow flange worm gear sleeve 206, and the axis of the worm 207 is perpendicular to the axis of the hollow flange worm gear sleeve 206. A first synchronous pulley 208 is fixedly mounted on the worm gear 207 via a key, and the turntable 201 is fixedly connected to the hollow flange worm gear bushing 206 via bolts. The servo drive mechanism includes a servo motor 209 fixedly mounted on the base 1, located on one side of the hollow rotating platform. The output shaft of the servo motor 209 is fixedly connected to a second synchronous pulley 210, which meshes with the first synchronous pulley 208 via a synchronous belt 211. To prevent debris from falling into the synchronous belt 211, a dust cover 212 is installed between the two synchronous belt pulleys 211, and the dust cover 212 is fixedly connected to the base 1. On the base 1 corresponding to the manual workstation 202, there is a button for controlling the operation of the servo motor 209. A timer is also installed on the base, with its starting point set to the moment when the spring detection is successful. The timer's function is to accurately control the timing when the operator presses the button. Taking the material conveying of conveying component 4, the welding operation of ultrasonic welding component 5, the pre-mounting operation of joint pre-mounting component 6, the dimensional inspection process of dimensional inspection component 7, and the unloading operation of unloading component 8 as an example, let's assume that these processes take a total of 60 seconds. When the LED indicator of the magnetic switch lights up, the timer starts and counts down from 60 seconds. Only when the timer reaches zero can the operator press the control button. Each time the button is pressed, the servo motor 209 drives the turntable 201 to rotate one-eighth of a revolution according to the set parameters, thereby ensuring that the entire production process proceeds in an orderly and precise manner.

[0034] The spring posture detection component 3 is mounted on the base 1 and is used to detect whether the installation direction of the spring in the semi-finished adjustment joint on the mold 202 is correct. Specifically, the spring posture detection component 3 includes: a detection bracket 301, fixedly connected to the base 1; a first detection cylinder 305, fixedly connected to the detection bracket 301, the first detection cylinder 305 being provided with a sliding groove; a sliding bracket 302, the sliding bracket 302 being provided with a slider matching the sliding groove, the sliding bracket 302 being slidably connected to the first detection cylinder 305 through the slider, and the sliding bracket 302 being fixed to the piston rod of the first detection cylinder 305; and an elastic sleeve 303, mounted on the sliding bracket 302, the center line of the elastic sleeve 303 being aligned with the semi-finished adjustment joint on the mold 202. In the finished product, the center lines of the spring mounting positions coincide. A magnetic switch 304 is also installed on the sliding bracket 302. When the spring is present and correctly positioned, the permanent magnet at the end of the elastic sleeve 303 pushes into the sensing range of the magnetic switch 304, forming a closed circuit. This closed circuit triggers the LED light built into the magnetic switch 304, indicating the spring is qualified, and the turntable 201 continues to rotate. When the spring is missing, the elastic sleeve 303 cannot push the permanent magnet at its end into the sensing range of the magnetic switch 304, resulting in insufficient magnetic field strength and inability to form a closed circuit, causing the LED light of the magnetic switch 304 to turn off. Alternatively, if the spring position is offset, the relative position of the permanent magnet and the magnetic switch 304 deviates from the effective area, weakening the magnetic field and preventing the formation of a closed circuit, causing the LED light of the magnetic switch 304 to turn off. If the LED light is off, the spring is abnormal, and the magnetic switch 304 sends this signal information to the PLC-based automation control unit. Upon receiving the information, the PLC-based automation control unit sends a reverse command to the servo motor 209, causing the turntable 201 to rotate one-eighth of a turn. At this point, the operator needs to adjust and readjust or reposition the spring.

[0035] The conveying assembly 4 is installed on the base 1 and is used to convey the embedded blocks from the vibratory feeder 9 to the temporary storage position above the welding station. Specifically, the conveying assembly 4 includes: a linear vibrating track 401, one end of which is connected to the outlet of the vibratory feeder 9, and the embedded blocks are linearly transported by continuous micro-vibration of a linear vibrator; a feeding mechanism, used to convey the embedded blocks 10 on the linear vibrating track 401 to the temporary storage position above the welding station; specifically, the feeding mechanism includes: a first feeding bracket 402, fixedly connected to the base 1, with a guide rail on the first feeding bracket 402, and a first feeding cylinder 403 fixedly connected to the first feeding bracket 402; a sliding plate 404, which is slidably connected to the guide rail and fixed to the piston rod of the first feeding cylinder 403 by a slider, and a limiting part 405 is provided on the sliding plate 404. It should be noted that when the first feeding cylinder 403 is in the retracted state, the limiting part 405 is... Aligned with the discharge port of the linear vibration track 401, when the first feeding cylinder 403 is in the extended state, the limiting part 405 is located directly below the welding head 504. After the embedded block on the limiting part 405 is inserted into the welding nozzle, the first feeding cylinder 403 quickly returns to the retracted state. A second feeding cylinder 406 is also fixedly connected to the slide plate 404. A second feeding bracket 407 is slidably connected to the guide rail on the cylinder body of the second feeding cylinder 406 via a slider, and the second feeding bracket 407 is fixed to the piston rod of the second feeding cylinder 406. A jet nozzle 408 is fixedly connected to the second feeding bracket 407. The jet nozzle 408 passes through the limiting part 405 and is coaxially arranged with the welding head 504. The jet nozzle 408 is used to send the embedded block on the limiting part 405 to the welding head 504 on the ultrasonic welding assembly 5 through high-pressure gas and upward thrust. The jet nozzle 408 is connected to the integrated gas source processing element through an air pipe.

[0036] The ultrasonic welding assembly 5 is mounted on the base 1 and is used to transfer the embedded block to the semi-finished adjusting joint for welding. Specifically, the ultrasonic welding assembly 5 includes: an ultrasonic generator installed in a cavity within the base 1; a transducer 502 fixedly connected to the base 1 via a support rail 501, the transducer 502 slidably connected to the support rail 501, and a drive cylinder mounted on the support rail 501 to drive the transducer 502 to slide along the support rail 501; and connected to the ultrasonic generator via a high-frequency cable; an amplitude transformer 503 connected to the output end of the transducer 502 via a precision thread; and a welding head 504 screwed onto the amplitude transformer 503. The welding head 504 is cylindrical and has an air cavity. The side wall of the welding head 504 is provided with an air intake 505 and an air exhaust 506. Both the air intake 505 and the air exhaust 506 are connected to the air cavity and are connected to the integrated air source processing element through air pipes. The air intake 505 is used to evacuate the air cavity when the air exhaust head 408 pushes the embedded block on the limiting part 405 onto the welding head 504 on the ultrasonic welding assembly 5 with high pressure gas and upward push, so that the embedded block can be more easily fixed on the welding head 504. The air exhaust 506 is used to introduce high pressure gas after the welding head 504 is welded, so that the welding head 504 can quickly separate from the embedded block, and at the same time, it can cool down the welding head 504.

[0037] In a preferred embodiment, the ultrasonic welding assembly 5 further includes a load-bearing cylinder 507, which is fixedly connected to the base 1 and located directly below the welding head 504. The load-bearing cylinder 507 is used to push the turntable 201 upward during the welding process to prevent the turntable 201 from deviating.

[0038] The pre-ejection assembly 6 is installed on the base 1 to separate the spring from the spherical sleeve. The pre-ejection assembly 6 includes: a downward pressure cylinder 601, fixedly connected to the base 1 via a downward pressure cylinder bracket 602, used to fix and adjust the joint; and an upward pressure cylinder 603, fixedly connected to the base 1, used to push the dome column 203 located on the mold 202. The dome column 203 penetrates the mold 202 and the turntable 201, and is slidably connected to both the mold 202 and the turntable 201. The upward pressure cylinder 603 is used to ensure that the assembly dimensions are restored to the design state by re-separating the spring from the spherical sleeve. Specifically, the upward pressure cylinder 603 extends twice (first lightly probing, second fully ejecting) to collide with the dome column 203, and the vibration causes the spherical sleeve to be subjected to the upward force, compressing the spring until it is out of contact, thus achieving separation.

[0039] The dimension detection component 7 is installed on the base 1 and is used to detect whether the key dimensions of the welded adjustment joint meet the preset tolerance range. Specifically, the dimension detection component 7 includes: a support base 701, fixedly connected to the base 1; a second detection cylinder 702, fixedly connected to the support base 701; a pressure plate 703, fixedly connected to the piston rod of the second detection cylinder 702, used to fix the adjustment joint; and a displacement sensor 704, installed on the top of the support base 701, used to detect the thickness dimension of the adjustment joint to be measured pressed by the pressure plate 703. The displacement sensor 704 is a contact displacement sensor. After the second detection cylinder 702 drives the pressure plate 703 to press down, the probe of the displacement sensor 704 contacts the side of the joint or the embedded block, and transmits the electrical signal to the PLC-based automation control unit and compares it with the preset tolerance range. If the adjustment joint is qualified, the material selection trough 810 is located in the first working position, and the material selection trough 810 is connected to the qualified product guide trough 811; if the adjustment joint is unqualified, the PLC-based automation control unit will send a command to the solenoid valve controlling the rotary cylinder 809, so that the rotary cylinder 809 works to rotate the material selection trough 810 to connect with the waste product guide trough 812.

[0040] The feeding assembly 8 is mounted on the base 1 and is used to remove the adjustment joint after size detection from the turntable 201. Specifically, the feeding assembly 8 includes: a guide rail support 801, fixedly connected to the base 1, with a horizontal guide rail 802 provided on the guide rail support 801, and a first feeding cylinder 803 fixedly connected to the guide rail support; and a vertical guide rail seat 804, slidably connected to the horizontal guide rail 802 via a slider, the vertical guide rail seat 804 being connected to the piston of the first feeding cylinder 803. The rod is fixed, and a second unloading cylinder 805 is fixedly connected to the vertical guide rail seat 804. A vertical guide rail is provided on the vertical guide rail seat 804. A parallel gripper cylinder seat 806 is slidably connected to the vertical guide rail by a slider, and the parallel gripper cylinder seat 806 is fixed to the piston rod of the second unloading cylinder 805. A parallel gripper cylinder 807 is fixedly connected to the parallel gripper cylinder seat 806, and two symmetrically arranged gripper arms 808 are connected to the parallel gripper cylinder 807 by a gripper guide rail. The feeding assembly 8 further includes a gravity guide trough mechanism, which includes a rotary cylinder 809 fixedly connected to the base 1. A selection trough 810 is fixedly connected to the piston rod of the rotary cylinder 809. The rotary cylinder 809 is a 90° rotary cylinder. A qualified product guide trough 811 and a waste product guide trough 812 are also fixedly connected to the base 1. The selection trough 810 has a first station and a second station. When the selection trough 810 is located at the first station, it is connected to the qualified product guide trough 811. When the selection trough 810 is located at the second station, it is connected to the waste product guide trough 812.

[0041] The spring posture detection component 3, ultrasonic welding component 5, joint pre-ejection component 6, dimension detection component 7, and unloading component 8 are arranged sequentially along the rotation direction of the turntable 201 (clockwise), and the working position of each component matches the position of the mold 202 on the turntable 201, realizing fully automated operation. It should be noted that the cylinders, sensors, vibratory feeder 9, linear vibrator 409, servo motor 209, electrical control cabinet, solenoid valves, etc., used in this application are all common parts on the market and are all existing technologies.

[0042] A welding and inspection process for adjusting joints includes the following steps: Workpiece installation: The worker installs the semi-finished adjustment connector onto the mold 202 of the turntable 201 on the rotary worktable 2 at the manual station 202. Then, the spring is placed into the spherical sleeve on the semi-finished adjustment connector. Spring posture detection: The spring posture detection component 3 is used to detect whether the installation direction of the spring in the semi-finished adjusting joint on the mold 202 is correct. During the detection, the first detection cylinder 305 drives the sliding bracket 302 to move through the sliding groove and the slider, so that the center line of the elastic sleeve 303 coincides with the center line of the spring installation position. When the spring is present and in the correct position, the permanent magnet at the end of the elastic sleeve 303 is pushed into the sensing range of the magnetic switch 304, forming a closed circuit and triggering the built-in LED of the magnetic switch 304 to light up. When the spring is missing or the spring position is off, the LED of the magnetic switch 304 goes out and sends the signal information to the PLC-based automation control unit. This unit sends a reverse command to the servo motor 209, so that the turntable 201 rotates one-eighth of a turn. Embedded block conveying: The embedded block is conveyed from the vibratory feeder 9 to the temporary storage position above the welding station by the conveying component 4; specifically, one end of the linear vibrating track 401 is connected to the discharge port of the vibratory feeder 9, and the embedded block is linearly transmitted by continuous micro-vibration of the linear vibrator. Then, the feeding mechanism conveys the embedded block on the linear vibrating track 401 to the temporary storage position. In the feeding mechanism, the first feeding cylinder 403 drives the slide plate 404 to move along the guide rail, the second feeding cylinder 406 drives the second feeding bracket 407 to move, and the jet head 408 penetrates the limiting part 405 of the slide plate 404 and sends the embedded block to the ultrasonic welding component 5 by high pressure gas and upward. Ultrasonic welding: The ultrasonic welding assembly 5 transfers the embedded block to the adjustment joint semi-finished product for welding; the ultrasonic generator is installed in the cavity of the base 1, the transducer 502 is fixed to the base 1 by the support rail 501 and is driven to slide by the drive cylinder, the amplitude rod 503 is connected to the output end of the transducer 502 by a precision thread, the welding head 504 is screwed to the amplitude rod 503, the air intake 505 and air jet 506 on the side wall of the cylindrical air chamber of the welding head 504 participate in the welding operation, and the load-bearing cylinder 507 pushes the turntable 201 upward under the welding head 504 to prevent it from deviating; Pre-ejection treatment of the joint: The joint pre-ejection component 6 is used to separate the spring from the spherical sleeve; the downward pressure cylinder 601 is fixed to the base 1 through the downward pressure cylinder bracket 602 to fix the adjustment joint; the upward pressure cylinder 603 is fixed to the base 1 and pushes the dome column 203 located on the mold 202 and the turntable 201 and slidably connected. By extending twice (the first time lightly pushing to test, the second time fully pushing out) to collide with the dome column 203, the spherical sleeve is compressed by the upward force and the spring is disengaged, ensuring that the assembly dimensions are restored to the design state; Dimension detection component 7: The dimension detection component 7 is used to detect whether the key dimensions of the welded adjustment joint meet the preset tolerance range; the support base 701 is fixed to the base 1, the second detection cylinder 702 drives the pressure plate 703, the displacement sensor 704 is installed on the top of the support base 701 to detect the thickness dimension of the adjustment joint to be tested by pressing the pressure plate 703, and transmits it to the PLC-based automation control unit through an electrical signal and compares it with the preset tolerance range; Material sorting: The material sorting component 8 removes the adjustment joints after size detection from the turntable 201 and sorts them according to the detection results; the guide rail support 801 is fixed to the base 1, the first material sorting cylinder 803 drives the vertical guide rail seat 804 to move along the horizontal guide rail 802, the second material sorting cylinder 805 drives the parallel gripper cylinder seat 806 to move along the vertical guide rail, the parallel gripper cylinder 807 grips the adjustment joints through the gripper arm 808, and the rotary cylinder 809 of the gravity guide trough mechanism drives the selection trough 810 according to the detection results. When the selection trough 810 is located at the first station, it is connected to the qualified product guide trough 811, and when it is located at the second station, it is connected to the waste product guide trough 812, so as to realize the sorting of qualified products and waste products.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this application. Those skilled in the art should understand that this application is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of this application; all such changes and modifications fall within the scope of the claims. The scope of protection of this application is defined by the appended claims and their equivalents.

Claims

1. A welding and testing device for adjusting joints, characterized in that, include: The base is a rectangular sheet metal structure that provides overall support and stability for the device, and the base has a cavity inside; A rotary worktable is located in the center of the base. A turntable is installed on the rotary worktable, and multiple molds are arranged at equal intervals along the circumference of the turntable. The molds are used to install and adjust the semi-finished joints. A spring posture detection component is installed on the base and is used to detect whether the installation direction of the spring in the semi-finished product of the adjustment joint on the mold is correct. A conveying assembly, mounted on the base, is used to convey the embedded block from the vibratory feeder to a temporary storage position above the welding station; An ultrasonic welding assembly, mounted on the base, is used to transfer the embedded block onto the semi-finished adjusting joint for welding. The connector pre-mounting assembly is installed on the base to separate the spring from the spherical sleeve; A dimension inspection component, installed on the base, is used to inspect whether the key dimensions of the welded adjustment joint meet the preset tolerance range; A feeding assembly, mounted on the base, is used to remove the adjustment joint, after dimensional inspection, from the turntable; The spring posture detection component, ultrasonic welding component, joint pre-ejection component, size detection component, and unloading component are arranged sequentially along the rotation direction of the turntable, and the working position of each component matches the mold position on the turntable, realizing fully automated operation.

2. The welding and testing device for adjusting joints according to claim 1, characterized in that: The spring attitude detection component includes: The testing bracket is fixedly connected to the base. The first detection cylinder is fixedly connected to the detection bracket, and a sliding groove is provided on the first detection cylinder; A sliding bracket is provided with a slider that matches the sliding groove. The sliding bracket is slidably connected to the first detection cylinder through the slider, and the sliding bracket is fixed to the piston rod of the first detection cylinder. An elastic sleeve is installed on the sliding bracket, and the center line of the elastic sleeve coincides with the center line of the spring mounting position in the semi-finished adjusting joint on the mold. The sliding bracket is also equipped with a magnetic switch. When the spring is present and in the correct position, the permanent magnet at the end of the elastic sleeve is pushed into the sensing range of the magnetic switch to form a closed circuit. The closed circuit triggers the built-in LED light of the magnetic switch to light up. When the spring is missing, the elastic sleeve cannot push the permanent magnet at the end into the sensing range of the magnetic switch. The magnetic field strength is insufficient to form a closed circuit, and the LED light of the magnetic switch goes out. If the spring position is offset, the relative position of the permanent magnet and the magnetic switch deviates from the effective area, the magnetic field effect weakens, and a closed circuit cannot be formed, causing the magnetic switch LED light to turn off.

3. The welding and testing device for adjusting joints according to claim 1, characterized in that: The conveying assembly includes: The linear vibrating track is connected to the discharge port of the vibrating plate feeding device at one end, and the linear vibrator continuously vibrates the embedded block to achieve linear transmission. A feeding mechanism is used to transport the embedded blocks on the linear vibrating track to a temporary storage position above the welding station.

4. The welding and testing device for adjusting joints according to claim 3, characterized in that, The feeding mechanism includes: A first feeding bracket is fixedly connected to the base. A guide rail is provided on the first feeding bracket, and a first feeding cylinder is also fixedly connected to the first feeding bracket. The slide plate is slidably connected to the guide rail and fixed to the piston rod of the first feeding cylinder. The slide plate is provided with a limit part, and a second feeding cylinder is also fixedly connected to the slide plate. The second feeding bracket is slidably connected to the second feeding cylinder, and the second feeding bracket is fixed to the piston rod of the second feeding cylinder; The jet head is fixedly connected to the second feeding bracket and passes through the limiting part. The jet head is used to deliver the embedded block to the ultrasonic welding assembly by high-pressure gas.

5. A welding and testing device for adjusting joints according to claim 1 or 4, characterized in that: The ultrasonic welding assembly includes: An ultrasonic generator is installed in the cavity within the base; The transducer is fixedly connected to the base via a support rail, and the transducer is slidably connected to the support rail. A drive cylinder is installed on the support rail to drive the transducer to slide along the support rail. The amplitude transformer is connected to the output end of the transducer via a precision thread; The welding head is screwed onto the amplitude transformer rod. The welding head is cylindrical and has an air cavity. An air intake port and an air exhaust port are provided on the side wall of the welding head. Both the air intake port and the air exhaust port are connected to the air cavity.

6. The welding and testing device for adjusting joints according to claim 5, characterized in that... The ultrasonic welding assembly also includes a load-bearing cylinder, which is fixedly connected to the base and located directly below the welding head. The load-bearing cylinder is used to push the turntable upward during the welding process to prevent the turntable from deviating.

7. The welding and testing device for adjusting joints according to claim 1, characterized in that: The pre-support assembly of the joint: A downward pressure cylinder is fixedly connected to the base via a downward pressure cylinder bracket, and the downward pressure cylinder is used to fix the adjustment joint; An upper-lifting cylinder is fixedly connected to the base and is used to lift the dome pillar located on the mold; the dome pillar passes through the mold and the turntable, and the dome pillar is slidably connected to both the mold and the turntable; The upper cylinder is used to ensure that the assembly dimensions are restored to the design state by re-separating the spring and the spherical sleeve.

8. The welding and testing device for adjusting joints according to claim 7, characterized in that: The size detection component includes: The support base is fixedly connected to the base; The second detection cylinder is fixedly connected to the support base; The pressure plate is fixedly connected to the piston rod of the second detection cylinder; A displacement sensor, installed on the top of the support base, is used to detect the thickness of the adjustment joint to be measured by the pressure plate.

9. The welding and testing device for adjusting joints according to claim 8, characterized in that: The feeding assembly includes: A guide rail support is fixedly connected to the base, and a horizontal guide rail is provided on the guide rail support. A first feeding cylinder is fixedly connected to the guide rail support. A vertical guide rail seat is slidably connected to the horizontal guide rail via a slider. The vertical guide rail seat is fixed to the piston rod of the first feeding cylinder. A second feeding cylinder is fixedly connected to the vertical guide rail seat. A vertical guide rail is provided on the vertical guide rail seat. The parallel gripper cylinder seat is slidably connected to the vertical guide rail via a slider, and the parallel gripper cylinder seat is fixed to the piston rod of the second unloading cylinder; A parallel gripper cylinder is fixedly connected to the parallel gripper cylinder seat, and two symmetrically arranged gripper arms are connected to the parallel gripper cylinder via gripper guide rails.

10. The welding and testing device for adjusting joints according to claim 9, characterized in that, The feeding assembly further includes a gravity guide trough mechanism, which includes a rotary cylinder fixedly connected to the base. A selection trough is fixedly connected to the piston rod of the rotary cylinder. A qualified product guide trough and a waste product guide trough are also fixedly connected to the base. The selection trough has a first station and a second station. When the selection trough is located at the first station, it is connected to the qualified product guide trough. When the selection trough is located at the second station, it is connected to the waste product guide trough.

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