Iron component multi-station synchronous welding device

Abstract

The application discloses a kind of iron component multi-station synchronous welding device, belong to workpiece welding technical field, this iron component multi-station synchronous welding device, including workbench, the bottom of the workbench is fixedly connected with bottom fixed shell, rotating drive mechanism is installed between the workbench and bottom fixed shell, the top of the workbench both sides are fixedly connected with a group of limit multi-section ring, the top rear end of the workbench is provided with alternate welding mechanism, the bottom of the workbench both sides are fixedly connected with limit component, the top of the workbench both sides are installed with feeding positioning mechanism.The two positioning plates in the rotating drive mechanism and the two workpiece feeding sleeves in the feeding positioning mechanism are designed in the application, so that the welding device has two welding stations, cooperates with the alternate welding mechanism, and the feeding of the other group of workpieces can be completed during the welding of one group of workpieces, which greatly improves the welding efficiency.

Description

Technical Field

[0001] This invention belongs to the field of workpiece welding technology, specifically relating to a multi-station synchronous welding device for iron components. Background Technology

[0002] Iron component welding is a key process that uses heating, pressurization, or filling with metal materials to create a metallurgical bond between the atoms of multiple iron profiles, thereby manufacturing the required structural components. In fields such as construction, bridges, heavy machinery, and power facilities, it directly determines the safety and lifespan of the structure. Common welding techniques include shielded metal arc welding (SMAW), gas shielded welding (GSAW), and submerged arc welding (SAW). Strict control of process parameters is required during welding, such as welding current, voltage, welding speed, and interpass temperature. Matching welding wire or electrodes must be selected based on the base material. Preheating and beveling are typically performed before welding. Post-weld welding involves hammering to eliminate residual stress and employing non-destructive testing methods such as ultrasonic or magnetic particle testing to ensure the weld is free of defects such as cracks, porosity, and lack of fusion. High-quality welding not only requires skilled operators but also adherence to strict standards and specifications to achieve a joint strength comparable to the base material and effectively control welding deformation.

[0003] In welding operations for special irregularly shaped workpieces, existing welding equipment often has many problems because the fixtures cannot be adapted to the irregularly shaped workpieces. For example, workers need to hold the workpiece to fix it during the welding process, and the welding process can only be carried out once, which leads to a long welding cycle. In addition, depending on the path of the weld, the welding equipment or workpiece may need to be rotated or moved, which leads to uneven welding when manually holding the workpiece for welding. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a multi-station synchronous welding device for iron components.

[0005] The technical solution adopted to solve the above technical problems is: to provide a multi-station synchronous welding device for iron components, including a workbench, a bottom fixed shell fixedly connected to the bottom of the workbench, a rotary drive mechanism installed between the workbench and the bottom fixed shell, and a set of limiting multi-segment rings fixedly connected to both sides of the top of the workbench. An alternating welding mechanism is provided at the top rear end of the workbench, and limit components are fixedly connected to both sides of the bottom of the workbench. A feeding and positioning mechanism is installed between the top two sides of the workbench. The rotary drive mechanism is equipped with two arc-shaped plates to be welded, the feeding and positioning mechanism is equipped with a threaded column to be welded, the front end of the feeding and positioning mechanism is slidably connected with a protective baffle, and the front ends of the bottom of the workbench are equipped with storage drawers on both sides.

[0006] Furthermore, the rotary drive mechanism includes two positioning plates, each with a U-shaped support shaft plate fixedly connected to its center. Two positioning protrusions are fixedly connected to the top of each positioning plate. Limit gears are fixedly connected to the bottom of each U-shaped support shaft plate. Extending circular plates are rotatably connected inside each of the two limit gears. Trapezoidal drive blocks are slidably connected inside each of the two extending circular plates. First return springs are installed between each of the two trapezoidal drive blocks and the corresponding inner walls of the extending circular plates. Pulleys are fixedly connected to the bottom of each of the two extending circular plates. A transmission belt is installed between the two pulleys, and a drive motor is installed at the bottom of one of the pulleys.

[0007] Through the above technical solution, the drive motor drives the corresponding pulley to rotate, and the two pulleys rotate simultaneously through the transmission belt. When the limit gear is not limited, the transmission belt drives the extension circular plate and the trapezoidal drive block to rotate, and the trapezoidal drive block drives the limit gear, the U-shaped support shaft plate and the positioning plate, thereby realizing the rotational welding of the arc plate to be welded. When the limit gear is limited, the bottom extension circular plate and pulley of the locked limit gear rotate under the drive of the drive motor and the transmission belt. However, since the limit gear cannot rotate at this position, it will compress the inclined surface of the trapezoidal drive block, causing the trapezoidal drive block to retract into the interior of the extension circular plate and compress the corresponding first return spring. After completing one rotational welding operation on the other side, the first return spring pushes the trapezoidal drive block back into the groove on the inner wall of the limit gear, and the transmission continues to be realized through the trapezoidal drive block in the next welding process.

[0008] Furthermore, the bottom of the positioning plate is provided with an arc-shaped groove corresponding to the limiting multi-segment ring, and the inner wall of the limiting gear is provided with a groove corresponding to the trapezoidal drive block.

[0009] Through the above technical solution, the arc-shaped groove ensures the stability of the positioning plate rotation, while the groove is used to realize the subsequent transmission function. Without a large locking force, the power transmission can be completed by the engagement of the trapezoidal drive block and the groove.

[0010] Furthermore, the alternating welding mechanism includes a support frame plate fixedly connected to the rear end of the top of the workbench. A lead screw drive assembly is mounted on the support frame plate, and a transmission block is provided on the lead screw drive assembly. A vertical plate is fixedly connected to the top of the transmission block, and a rotating housing is rotatably connected to the vertical plate. A first cylinder assembly is installed inside the rotating housing, and a welding assembly is installed at the output end of the first cylinder assembly. An L-shaped connecting plate is fixedly connected to the rear end of the transmission block, and a receiving square tube is fixedly connected to one bottom end of the L-shaped connecting plate. An integrated limiting sleeve is fixedly connected to the center of the inner wall of the receiving square tube, and L-shaped square tubes are slidably connected to both ends of the inner wall of the receiving square tube. A second return spring is installed between the two L-shaped square tubes, and a magnet is installed at the other end of each of the two L-shaped square tubes.

[0011] Through the above technical solution, the screw drive assembly drives the transmission block to move to the designated position, and the first cylinder assembly pushes the welding assembly to the workpiece junction for welding. During the movement of the transmission block, the L-shaped connecting plate and the receiving square tube will move simultaneously. During the movement of the receiving square tube, the corresponding two L-shaped square tubes will move.

[0012] Furthermore, the upright plate and the rotating housing are locked together by bolts and nuts.

[0013] The above technical solution uses bolts and nuts to fix the tilt angle of the rotating shell.

[0014] Furthermore, the limiting component includes a housing limiting sleeve, and an iron limiting tooth plate is slidably connected to the inner wall of the housing limiting sleeve.

[0015] Through the above technical solution, during the movement of the two L-shaped square tubes, since the second return spring is initially in a stretched state, it drives one side of the L-shaped square tube to move. During this process, the second return spring returns to its normal state. After the movement continues, the moving L-shaped square tube contacts and pushes the iron limiting tooth plate to begin sliding inside the housing, until the iron limiting tooth plate inserts into the limiting gear, thus locking and limiting the limiting gear. At the same time, the other L-shaped square tube begins to move, and through the magnetic piece and the corresponding iron limiting tooth plate, it is attracted and drives the iron limiting tooth plate to move until it is separated and limited by the boss on the inner wall of the housing. At this time, the L-shaped connecting plate continues to move. Under the limit of the iron limiting tooth plate and the limiting gear on one side, and the push of the integrated limiting sleeve, the second return spring between the two L-shaped square tubes continues to stretch until the L-shaped connecting plate moves to the designated position. At this position, the limiting gear is released and driven by the drive motor. The limiting gear, U-shaped support shaft plate and positioning plate are driven to rotate through the trapezoidal drive block. This enables the arc plate to be welded to rotate for welding. In this way, when the welding component moves to one side, the welding workpiece on that side can rotate, while the welding workpiece on the other side cannot rotate. This allows the two stations to complete the alternating operation of welding on one side and loading and unloading on the other side at the same time.

[0016] Furthermore, the inner wall of one end of the storage and limiting sleeve has a sloping structure.

[0017] The above technical solution makes it easier for the L-shaped square tube to enter through the inclined structure, which plays a certain guiding role and avoids jamming.

[0018] Furthermore, the feeding and positioning mechanism includes side angle steel frames fixedly connected to both sides of the worktable. Connecting angle steel and connecting round rod are fixedly connected between the two side angle steel frames respectively. Second cylinder assemblies are installed on both sides of the connecting angle steel. Workpiece feeding sleeves are installed at the output ends of the two second cylinder assemblies. Magnet sleeves are slidably connected to the inner walls of the two workpiece feeding sleeves. Third return springs are installed between the inner walls of the two workpiece feeding sleeves and the corresponding magnet sleeves.

[0019] With the above technical solution, during material loading, the worker takes the threaded column to be welded from the storage drawer, inserts it into the corresponding magnetic sleeve for adsorption and fixation, and places the arc-shaped plate to be welded on the positioning plate at its bottom, so that the through hole on the arc-shaped plate to be welded fits onto the corresponding positioning protrusion for positioning. Then, the protective baffle is slid to the corresponding position for protection and blocking. At this time, the second cylinder assembly at this position pushes the workpiece loading sleeve down until the bottom of the threaded column to be welded is in close contact with the arc-shaped plate to be welded and compresses the third return spring by a certain distance. Welding can then be carried out. By designing the third return spring, when the second cylinder assembly pushes the workpiece loading sleeve down, the threaded column to be welded can be in close contact with the top of the arc-shaped plate to be welded, avoiding the situation where the threaded column to be welded will squeeze and deform the arc-shaped plate to be welded due to excessive movement distance.

[0020] Furthermore, the protective baffle is slidably connected between the connecting angle steel and the connecting round rod, and the bottom of the inner wall of the workpiece feeding sleeve and the magnet sleeve are both inclined structures.

[0021] Through the above technical solution, the protective baffle is slidably connected between the connecting angle steel and the connecting round rod. The protective baffle is used to slide to the front end of the welding station for protection. The inclined structure can guide the threaded column to be welded during the installation process, so that the workers can accurately insert the magnet sleeve into the interior without a field of vision.

[0022] The beneficial effects of the present invention are as follows: (1) The present invention designs two positioning plates in the rotary drive mechanism and two workpiece feeding sleeves in the feeding positioning mechanism, so that the welding device has two welding stations. With the help of the alternating welding mechanism, the welding can be carried out alternately. During the welding of one set of workpieces, the feeding of another set of workpieces is completed, which greatly improves the welding efficiency; (2) The present invention designs a rotary drive mechanism, which can realize rotation during the welding process. Compared with manual hand welding, the rotation speed is more stable and the weld is more uniform. At the same time, the third reset spring is designed so that the threaded column to be welded can be closely attached to the top of the arc plate to be welded, avoiding the situation of excessive or insufficient movement distance due to insufficient movement distance accuracy of the second cylinder assembly, further improving the actual performance of the device. (3) By designing the storage square tube, L-shaped square tube, second reset spring and limiting component in the alternating welding mechanism, the L-shaped connecting plate can be pulled back and forth to move the two iron limiting tooth plates during the alternating movement of the welding component. When it moves to one side, the iron limiting tooth plate is released by the L-shaped square tube pulling the limiting gear at that position, while the limiting gear on the other side is limited. Thus, when the welding component moves to one side, the arc plate to be welded on that side can rotate, while the arc plate to be welded on the other side cannot rotate. At this time, the two workstations can perform alternating welding and loading / unloading operations respectively. At the same time, the rotation drive of the arc plate to be welded on the two workstations only needs to be achieved by one drive motor, reducing the overall equipment cost. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a top view of the structure of the present invention; Figure 3 This is a cross-sectional structural schematic diagram of the present invention; Figure 4 This is a three-dimensional cross-sectional structural diagram of the present invention; Figure 5 This is a schematic diagram of the limiting multi-segment ring structure of the present invention; Figure 6 This is a schematic diagram of the internal structure of the bottom fixing shell of the present invention; Figure 7 This is a schematic diagram of the rotary drive mechanism of the present invention; Figure 8 This is an exploded view of a portion of the rotary drive mechanism of the present invention; Figure 9 This is a schematic diagram of the alternating welding mechanism of the present invention; Figure 10 This is a schematic diagram of the alternating welding mechanism and limiting component structure of the present invention; Figure 11yes Figure 4 A magnified view of a section at point A in the middle; Figure 12 This is a schematic diagram of the cross-sectional structure of the storage square tube and L-shaped square tube of the present invention; Figure 13 This is a schematic diagram of the second reset spring and L-shaped square tube structure of the present invention; Figure 14 yes Figure 12 A magnified view of a section at point B in the middle; Figure 15 This is a schematic diagram of the integrated limiting sleeve structure of the present invention; Figure 16 This is a schematic diagram of the limiting component structure of the present invention; Figure 17 This is a schematic diagram of the feeding and positioning mechanism of the present invention; Figure 18 This is a cross-sectional structural diagram of the feeding and positioning mechanism of the present invention; Figure 19 yes Figure 18 A magnified view of a section at point C; Figure 20 This is a schematic diagram of the L-shaped square tube movement process of the present invention.

[0024] Reference numerals: 1. Workbench; 2. Bottom fixed shell; 3. Rotary drive mechanism; 301. Positioning plate; 302. U-shaped support shaft plate; 303. Positioning protrusion; 304. Limiting gear; 305. Extending circular plate; 306. Trapezoidal drive block; 307. First return spring; 308. Pulley; 309. Transmission belt; 310. Drive motor; 4. Limiting multi-segment ring; 5. Alternating welding mechanism; 501. Support frame plate; 502. Screw transmission assembly; 503. Transmission block; 504. Vertical plate; 505. Rotating shell; 506. First cylinder assembly; 507. Welding Components; 508, L-shaped connecting plate; 509, storage square tube; 510, integrated limiting sleeve; 511, L-shaped square tube; 512, second return spring; 513, magnetic piece; 6, limiting assembly; 61, storage limiting sleeve shell; 62, iron limiting tooth plate; 7, feeding positioning mechanism; 701, side angle steel frame; 702, connecting angle steel; 703, connecting round rod; 704, second cylinder assembly; 705, workpiece feeding sleeve; 706, magnetic sleeve; 707, third return spring; 8, arc plate to be welded; 9, threaded column to be welded; 10, protective baffle; 11, storage drawer. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0026] like Figures 1-8 As shown, a multi-station synchronous welding device for iron components according to this embodiment includes a workbench 1. A bottom fixing shell 2 is fixedly connected to the bottom of the workbench 1. A rotary drive mechanism 3 is installed between the workbench 1 and the bottom fixing shell 2. The rotary drive mechanism 3 includes two positioning plates 301. A U-shaped support shaft plate 302 is fixedly connected to the center of each of the two positioning plates 301. Two positioning protrusions 303 are fixedly connected to the top of each of the two positioning plates 301. Limiting gears 304 are fixedly connected to the bottom of each of the two U-shaped support shaft plates 302. An extension circular plate 305 is rotatably connected inside each of the two limiting gears 304. The interiors of the two extension circular plates 305 slide. A trapezoidal drive block 306 is connected to each of the two trapezoidal drive blocks 306 and the inner wall of the corresponding extended circular plate 305. A first return spring 307 is installed between each of the two extended circular plates 305. A pulley 308 is fixedly connected to the bottom of each of the two extended circular plates 305. A transmission belt 309 is installed between the two pulleys 308. A drive motor 310 is installed at the bottom of one of the pulleys 308. The drive motor 310 drives the corresponding pulley 308 to rotate, and through the transmission belt 309, causes both pulleys 308 to rotate simultaneously. When the limit gear 304 is not limited, the transmission belt 309 drives the extended circular plate 305 and the trapezoidal drive block 306 to rotate, and through the transmission belt 309, causes both pulleys 308 to rotate simultaneously. The trapezoidal drive block 306 drives the limiting gear 304, the U-shaped support shaft plate 302, and the positioning plate 301, thereby realizing the rotational welding of the arc-shaped plate 8 to be welded. When the limiting gear 304 is limited, the bottom extension circular plate 305 and the pulley 308 of the locked limiting gear 304 rotate under the drive of the drive motor 310 and the transmission belt 309. However, since the limiting gear 304 cannot rotate at this position, it will compress the inclined surface of the trapezoidal drive block 306, causing the trapezoidal drive block 306 to retract into the interior of the extension circular plate 305, and compress the corresponding first return spring 307. After completing one rotational welding operation on the other side, the first return spring 307... 07. Push the trapezoidal drive block 306 back into the groove on the inner wall of the limiting gear 304. In the next welding process, the transmission will continue to be achieved through the trapezoidal drive block 306. A set of limiting multi-segment rings 4 are fixedly connected to both sides of the top of the worktable 1. The bottom of the positioning plate 301 is provided with an arc-shaped groove corresponding to the limiting multi-segment ring 4. The inner wall of the limiting gear 304 is provided with a groove corresponding to the trapezoidal drive block 306. The arc-shaped groove ensures the stability of the rotation of the positioning plate 301. At the same time, the groove is used to realize the subsequent transmission function. Without a large locking force, the power transmission can be completed by the engagement of the trapezoidal drive block 306 and the groove.

[0027] like Figures 1-16As shown, an alternating welding mechanism 5 is provided at the top rear end of the workbench 1. The alternating welding mechanism 5 includes a support frame plate 501 fixedly connected to the top rear end of the workbench 1. A lead screw drive assembly 502 is installed on the support frame plate 501. A transmission block 503 is provided on the lead screw drive assembly 502. A vertical plate 504 is fixedly connected to the top of the transmission block 503. A rotating housing 505 is rotatably connected to the vertical plate 504. A first cylinder assembly 506 is installed inside the rotating housing 505. A welding assembly 507 is installed at the output end of the first cylinder assembly 506. An L-shaped connecting plate 508 is fixedly connected to the rear end of the transmission block 503. A receiving square tube 509 is fixedly connected to one bottom end of the L-shaped connecting plate 508. An integrated limiting sleeve 51 is fixedly connected to the center of the inner wall of the receiving square tube 509. 0. Both ends of the inner wall of the storage square tube 509 are slidably connected to L-shaped square tubes 511. A second return spring 512 is installed between the two L-shaped square tubes 511. A magnet 513 is installed at the other end of the two L-shaped square tubes 511. The screw drive assembly 502 drives the transmission block 503 to move to the designated position. The first cylinder assembly 506 pushes the welding assembly 507 to the workpiece junction for welding. During the movement of the transmission block 503, the L-shaped connecting plate 508 and the storage square tube 509 will move simultaneously. During the movement of the storage square tube 509, the corresponding two L-shaped square tubes 511 will move. The upright plate 504 and the rotating housing 505 are locked and fixed by bolts and nuts. The tilt angle of the rotating housing 505 is fixed by bolts and nuts.

[0028] like Figures 1-20As shown, limit components 6 are fixedly connected to both sides of the bottom of the workbench 1. The limit components 6 include a housing limit sleeve 61, and an iron limit tooth plate 62 is slidably connected to the inner wall of the housing limit sleeve 61. During the movement of the two L-shaped square tubes 511, since the second return spring 512 is in a stretched state in the initial state, it drives one side of the L-shaped square tube 511 to move during the movement. During this process, the second return spring 512 returns to its normal state. After the movement continues, the movement... The L-shaped square tube 511 contacts and pushes the iron limiting toothed plate 62 to begin sliding inside the receiving and limiting sleeve 61 until the iron limiting toothed plate 62 inserts into the limiting gear 304, thereby locking and limiting the limiting gear 304. At the same time, the L-shaped square tube 511 on the other side begins to move, and through the attraction between the magnet piece 513 and the corresponding iron limiting toothed plate 62, it drives the iron limiting toothed plate 62 to begin moving until it is separated and limited by the boss on the inner wall of the receiving and limiting sleeve 61. At this time, the L-shaped connecting plate 508 continues to move. Under the limitation of the iron limiting tooth plate 62 and the limiting gear 304 on one side, and the push of the integrated limiting sleeve 510, the second return spring 512 between the two L-shaped square tubes 511 continues to stretch until the L-shaped connecting plate 508 moves to the designated position. At this position, the limiting gear 304 is released from the limit. Driven by the drive motor 310, the limiting gear 304, U-shaped support shaft plate 302 and positioning plate 301 are driven to rotate through the trapezoidal drive block 306, so as to drive the arc plate 8 to be welded to rotate for welding. Thus, when the welding component 507 moves to one side, the welding workpiece on that side can rotate, while the welding workpiece on the other side cannot rotate. This allows the two stations to complete the alternating operation of welding on one side and loading and unloading on the other side at the same time. The inner wall of one end of the receiving limiting sleeve 61 is a sloping structure. The sloping structure makes it easier for the L-shaped square tube 511 to enter, which plays a certain guiding role and avoids jamming.

[0029] like Figures 1-20As shown, a feeding and positioning mechanism 7 is installed between the top two sides of the workbench 1. The feeding and positioning mechanism 7 includes side angle steel frames 701 fixedly connected to both sides of the workbench 1. A connecting angle steel 702 and a connecting round rod 703 are fixedly connected between the two side angle steel frames 701 respectively. A second cylinder assembly 704 is installed on both sides of the connecting angle steel 702. A workpiece feeding sleeve 705 is installed at the output end of each of the two second cylinder assemblies 704. A magnet sleeve 706 is slidably connected to the inner wall of each of the two workpiece feeding sleeves 705. The inner wall of each workpiece feeding sleeve 705 and the corresponding magnet are connected to each other. A third return spring 707 is installed between each of the sleeves 706. Two arc-shaped plates 8 to be welded are set on the rotary drive mechanism 3. A threaded post 9 to be welded is set on the feeding and positioning mechanism 7. A protective baffle 10 is slidably connected to the front end of the feeding and positioning mechanism 7. A storage drawer 11 is set on both sides of the front end of the bottom of the workbench 1. When feeding, the worker takes the threaded post 9 to be welded out of the storage drawer 11, inserts it into the corresponding magnetic sleeve 706 for adsorption and fixation, and places the arc-shaped plate 8 to be welded on the positioning plate 301 at its bottom, so that the through hole on the arc-shaped plate 8 fits into the magnetic sleeve 706. Positioning is achieved on the corresponding positioning protrusion 303, and then the protective baffle 10 is slid to the corresponding position for protection and blocking. At this time, the second cylinder assembly 704 at this position pushes the workpiece loading sleeve 705 down until the bottom of the threaded column 9 to be welded is in close contact with the arc plate 8 to be welded and the third return spring 707 is compressed by a certain distance. Welding can then be carried out. By designing the third return spring 707, when the second cylinder assembly 704 pushes the workpiece loading sleeve 705 down, the threaded column 9 to be welded can be in close contact with the top of the arc plate 8 to be welded, avoiding excessive movement distance. The amount of material causes the threaded column 9 to be welded to be squeezed and deform the arc plate 8 to be welded. The protective baffle 10 is slidably connected between the connecting angle steel 702 and the connecting round rod 703. The protective baffle 10 is supported by the connecting angle steel 702 and the connecting round rod 703. During the operation, it slides to the front end of the welding station to protect the workers. The bottom of the inner wall of the workpiece feeding sleeve 705 and the magnet sleeve 706 are both inclined structures. The inclined structure can guide the threaded column 9 to be welded during the installation process, so that the workers can accurately insert it into the inside of the magnet sleeve 706 without a field of vision.

[0030] The working principle of this embodiment is as follows: When in use, the operator takes the threaded column 9 to be welded from the storage drawer 11, inserts it into the corresponding magnetic sleeve 706 for adsorption and fixation, and places the arc plate 8 to be welded on the positioning plate 301 at its bottom, so that the through hole on the arc plate 8 to be welded fits on the corresponding positioning protrusion 303 to achieve positioning. Then, the protective baffle 10 is slid to the corresponding position for protection and blocking. At this time, the second cylinder assembly 704 at this position pushes the workpiece feeding sleeve 705 down until the bottom of the threaded column 9 to be welded is close to the arc plate 8 to be welded and compresses the third return spring 707 by a certain distance. At the same time, the screw transmission assembly 502 drives the transmission block 503 to move to the designated position, and the first cylinder assembly 506 pushes the welding assembly 507 to the junction of the arc plate 8 to be welded and the threaded column 9 to be welded for welding. During the movement of the transmission block 503, the L-shaped connecting plate 508 and the housing square tube 509 will move simultaneously. During the movement of the housing square tube 509, the corresponding two L-shaped square tubes 511 will also move. Figure 12 and Figure 20 Since the second return spring 512 is in a stretched state in the initial state, it drives the L-shaped square tube 511 on one side to move during the movement. During this process, the second return spring 512 returns to its normal state. After the movement continues, the moving L-shaped square tube 511 contacts and pushes the iron limiting tooth plate 62 to begin sliding inside the receiving limiting sleeve 61 until the iron limiting tooth plate 62 is inserted into the limiting gear 304, thereby locking and limiting the limiting gear 304. At the same time, the L-shaped square tube 511 on the other side begins to move, and through the attraction of the magnet piece 513 and the corresponding iron limiting tooth plate 62, it drives the iron limiting tooth plate 62 to begin moving. Until the separation is limited by the boss on the inner wall of the storage limiting sleeve 61, the L-shaped connecting plate 508 continues to move. Under the limitation of the iron limiting tooth plate 62 and the limiting gear 304 on one side, and the push of the integrated limiting sleeve 510, the second return spring 512 between the two L-shaped square tubes 511 continues to stretch until the L-shaped connecting plate 508 moves to the designated position. At this position, the limiting gear 304 is released from the limit. Driven by the drive motor 310, the limiting gear 304, U-shaped support shaft plate 302 and positioning plate 301 are driven to rotate through the trapezoidal drive block 306, thereby realizing the rotation and welding of the arc plate 8 to be welded. Similarly, during the welding process, the arc-shaped plate 8 to be welded and the threaded column 9 to be welded on the other side are installed. After welding is completed, they are moved to the other side for welding work, realizing alternating operation. During the repeated movement of the L-shaped connecting plate 508, the two limiting gears 304 are continuously limited. The bottom extension circular plate 305 and pulley 308 of the locked limiting gear 304 rotate under the drive of the drive motor 310 and the transmission belt 309. However, since the limiting gear 304 cannot rotate at this position, the inclined surface of the trapezoidal drive block 306 is compressed, causing the trapezoidal drive block 306 to retract into the interior of the extension circular plate 305 and compress the corresponding first return spring 307. After completing one rotation welding work on the other side, the first return spring 307 pushes the trapezoidal drive block 306 back into the groove of the inner wall of the limiting gear 304. In the next welding process, the transmission is continued through the trapezoidal drive block 306.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A multi-station synchronous welding device for iron components, comprising a workbench (1), characterized in that: The bottom of the workbench (1) is fixedly connected to a bottom fixed shell (2), and a rotary drive mechanism (3) is installed between the workbench (1) and the bottom fixed shell (2). A set of limiting multi-segment rings (4) are fixedly connected to both sides of the top of the workbench (1). The workbench (1) is provided with an alternating welding mechanism (5) at the top rear end. Limiting components (6) are fixedly connected to both sides of the bottom of the workbench (1). A feeding positioning mechanism (7) is installed between the top two sides of the workbench (1). The rotary drive mechanism (3) is provided with two arc-shaped plates (8) to be welded, the feeding and positioning mechanism (7) is provided with a threaded column (9) to be welded, the front end of the feeding and positioning mechanism (7) is slidably connected with a protective baffle (10), and the front ends of the workbench (1) are provided with storage drawers (11) on both sides.

2. The multi-station synchronous welding device for iron components according to claim 1, characterized in that, The rotary drive mechanism (3) includes two positioning plates (301). A U-shaped support shaft plate (302) is fixedly connected to the center of each of the two positioning plates (301). Two positioning protrusions (303) are fixedly connected to the top of each of the two positioning plates (301). Limit gears (304) are fixedly connected to the bottom of each of the two U-shaped support shaft plates (302). An extension circular plate (305) is rotatably connected inside each of the two limit gears (304). A trapezoidal drive block (306) is slidably connected inside each of the two extension circular plates (305). A first reset spring (307) is installed between the inner walls of the two trapezoidal drive blocks (306) and the corresponding extension circular plates (305). A pulley (308) is fixedly connected to the bottom of each of the two extension circular plates (305). A transmission belt (309) is installed between the two pulleys (308). A drive motor (310) is installed at the bottom of one of the pulleys (308).

3. The multi-station synchronous welding device for iron components according to claim 2, characterized in that, The bottom of the positioning plate (301) is provided with an arc-shaped groove corresponding to the limiting multi-segment ring (4), and the inner wall of the limiting gear (304) is provided with a groove corresponding to the trapezoidal drive block (306).

4. The multi-station synchronous welding device for iron components according to claim 1, characterized in that, The alternating welding mechanism (5) includes a support frame plate (501) fixedly connected to the rear end of the top of the workbench (1). A screw drive assembly (502) is mounted on the support frame plate (501). A transmission block (503) is provided on the screw drive assembly (502). A vertical plate (504) is fixedly connected to the top of the transmission block (503). A rotating housing (505) is rotatably connected to the vertical plate (504). A first cylinder assembly (506) is installed inside the rotating housing (505). A welding device is installed at the output end of the first cylinder assembly (506). The component (507) has an L-shaped connecting plate (508) fixedly connected to the rear end of the transmission block (503). A storage square tube (509) is fixedly connected to one bottom end of the L-shaped connecting plate (508). An integrated limiting sleeve (510) is fixedly connected to the center of the inner wall of the storage square tube (509). Both ends of the inner wall of the storage square tube (509) are slidably connected to L-shaped square tubes (511). A second reset spring (512) is installed between the two L-shaped square tubes (511). A magnet (513) is installed at the other end of the two L-shaped square tubes (511).

5. The multi-station synchronous welding device for iron components according to claim 4, characterized in that, The upright plate (504) and the rotating housing (505) are locked together by bolts and nuts.

6. The multi-station synchronous welding device for iron components according to claim 1, characterized in that, The limiting component (6) includes a housing limiting sleeve (61), and an iron limiting tooth plate (62) is slidably connected to the inner wall of the housing limiting sleeve (61).

7. The multi-station synchronous welding device for iron components according to claim 6, characterized in that, The inner wall of one end of the storage and limiting sleeve (61) is a sloping structure.

8. The multi-station synchronous welding device for iron components according to claim 1, characterized in that, The feeding and positioning mechanism (7) includes side angle steel frames (701) fixedly connected to both sides of the workbench (1). A connecting angle steel (702) and a connecting round rod (703) are fixedly connected between the two side angle steel frames (701). A second cylinder assembly (704) is installed on both sides of the connecting angle steel (702). A workpiece feeding sleeve (705) is installed at the output end of the two second cylinder assemblies (704). A magnet sleeve (706) is slidably connected to the inner wall of the two workpiece feeding sleeves (705). A third return spring (707) is installed between the inner wall of the two workpiece feeding sleeves (705) and the corresponding magnet sleeve (706).

9. The multi-station synchronous welding device for iron components according to claim 8, characterized in that, The protective baffle (10) is slidably connected between the connecting angle steel (702) and the connecting round rod (703), and the bottom of the inner wall of the workpiece feeding sleeve (705) and the magnet sleeve (706) are both inclined structures.

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