Circuit breaker chassis welding tool and welding method

Abstract

The present invention discloses a circuit breaker chassis welding tool and a welding method. It comprises a multi-directional laser welding device and a chassis positioning and fixing device. The laser welding end of the multi-directional laser welding device can be movably arranged on one side of the chassis positioning and fixing device. The chassis positioning and fixing device comprises a fixed tool and a tool base. A rotation fixing mechanism and a rotation adjustment limit mechanism are provided on the fixed end of the base bracket of the tool base. The rotation fixing mechanism is connected to the rotation adjustment limit mechanism. The rotation fixing mechanism is combined with the fixed tool. A plate limiting mechanism is provided on the tool bottom plate of the fixed tool. A plate pressing mechanism is provided on the tool bottom plate. The gain effects of the present invention include: convenient setting and operation, accurate plate welding alignment, efficient and accurate automated laser welding processing, automated and rapid welding, neat and beautiful welds, and the structure of the formed circuit breaker chassis is more solid and reliable, and has better quality.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breaker processing and manufacturing, and more specifically, to a circuit breaker chassis welding tool, and further, to a welding method of the circuit breaker chassis welding tool. Background Art

[0002] The circuit breaker chassis provides a closed physical space for the circuit breaker, preventing dust, water, moisture and other substances from entering the interior, and preventing these impurities from causing corrosion, short circuit and other damage to the electrical components inside the circuit breaker (such as contacts, coils, etc.), playing a comprehensive role in protecting the internal components and ensuring the normal operation of the system. The circuit breaker chassis is an important device for installing and protecting circuit breakers.

[0003] The circuit breaker chassis not only provides a good protection and installation environment for the circuit breaker, but also facilitates the user's use and maintenance, ensuring the safe and reliable operation of the power system, and plays a vital role in the power system.

[0004] With the development and upgrading of the power system, the number of switch cabinets, distribution cabinets and other equipment arranged in the power grid system is also increasing, and the demand for correspondingly configured circuit breaker chassis is also increasing.

[0005] The circuit breaker chassis is produced by positioning and combining panels of different structures through welding. At present, the processing method of circuit breaker chassis is mainly manual welding. Manual welding is not only slow and inefficient, but also has many problems such as cold welding, leaking welding, welding deformation, etc. due to manual operation during the welding process. The welding quality of the finished product is directly affected by the workers' technical level and working status.

[0006] In response to the need to meet the current demand for higher and higher quality of finished products of circuit breaker chassis, some manufacturers have adopted mechanical welding instead of manual welding. However, mechanical welding requires high accuracy and stability for the combination of panels of the circuit breaker chassis to be processed, and it is necessary to ensure that each panel is fixed at an accurate welding position and angle. The existing fixation of the panels of the circuit breaker chassis is only carried out by a simple clamping mechanism, and the clamping and fixing effect is poor. During the processing, the panels often shift, resulting in welding misalignment, and the position accuracy of the combination between the panels is difficult to control, resulting in poor quality of the circuit breaker chassis after welding, complex fixing operations, and difficult positioning and clamping operations. In addition, only circuit breaker chassis of a single specification can be processed, which is not universal and has high production costs.

[0007] In view of this, it is necessary to develop a new tooling technology solution that can be suitable for batch production of circuit breaker chassis and can further improve welding production efficiency, ensure welding processing quality, and can be suitable for processing and producing circuit breaker chassis of different specifications and models at the same time to meet the needs of the existing power grid system for circuit breaker chassis. Summary of the invention

[0008] The object of the present invention is to provide a circuit breaker chassis welding tool and welding method to solve the problems of difficult positioning of panels during assembly and welding of the circuit breaker chassis, loose panel assembly and fixation, unsatisfactory manual welding quality, low production efficiency, etc.

[0009] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0010] A circuit breaker chassis laser welding tool, comprising a multi-directional laser welding device and a chassis positioning and fixing device, wherein the laser welding end of the multi-directional laser welding device can be movably arranged on one side of the chassis positioning and fixing device, and the chassis positioning and fixing device comprises a fixed tool and a tool base, wherein the fixed tool is installed at the fixed end of the tool base, the fixed tool is used to place and clamp the plate of the chassis to be welded, and the tool base is used to install and adjust the welding processing position and welding processing angle of the fixed tool, and the multi-directional laser welding device is used to laser weld the chassis frame fixed on the fixed tool, and a rotating fixing mechanism and A rotation adjustment limit mechanism, a rotation fixing mechanism connected to the rotation adjustment limit mechanism, the rotation adjustment limit mechanism limits the rotation angle of the rotation fixing mechanism, the rotation fixing mechanism is combined with a fixed tooling, the rotation fixing mechanism is used to install and adjust the processing angle of the fixed tooling, a panel limiting mechanism is provided on the tooling bottom plate of the fixed tooling, the panel limiting mechanism is used to place the side panels and partition panels of the chassis, a panel clamping mechanism is provided on the tooling bottom plate, the panel clamping mechanism is used to clamp and fix the bottom panel and the bent panel combined with the side panels and partition panels to form a chassis frame to be processed, and the panel clamping mechanism cooperates with the panel limiting mechanism to fix the chassis components on the fixed tooling.

[0011] Preferably, the rotating fixing mechanism includes a rotating bearing seat mounted on the base bracket and a rotating shaft rotatably arranged in the rotating bearing seat through a rotating bearing, the rotating end of the rotating shaft is connected to the tool fixing plate, the tool fixing plate is combined with the tool bottom plate, and the tool bottom plate of the fixed tool and the tool fixing plates on both sides of the lower end are combined and mounted on the base bracket to achieve multi-angle rotation. One side of the rotating shaft is connected to the rotating regulating mechanism, the rotating regulating mechanism controls the welding processing angle of the fixed tool installed on the tool fixing plate, and the rotating regulating limit mechanism locks the welding processing angle of the fixed tool. The limit bracket of the rotation adjustment limit mechanism is installed on the rotating bearing seat, and a positioning slider is installed in the sliding groove of the limit bracket through a sliding guide rod. The sliding guide rod is connected to the sliding locking component, and the sliding locking component cooperates with the sliding groove to fix the position of the positioning slider. The limit disk of the rotation adjustment limit mechanism is installed on the rotating shaft. The combination of the limit disk and the tooling fixed plate has a plurality of limit slots on the outside of the limit disk, and the positioning slider is slidably inserted and installed in the limit slot. The positioning slider cooperates with the limit slot to lock the rotation of the limit disk. A pull ring is provided at the operating end of the positioning slider, and the positioning slider slides up and down in the sliding groove through the sliding guide rod, so that the insertion in the limit slot limits the limit of the limit disk and the removal releases the limit of the limit disk. After the fixed tooling is rotated to the processing angle, the positioning slider is inserted into the limit slot, and the processing angle of the fixed tooling is locked by the sliding locking component. A limit installation groove is provided on the tooling bottom plate, and the limit plate of the plate limit mechanism is installed in the limit installation groove. The limit plate and the limit installation groove are a detachable installation combination. According to the plates of the circuit breaker chassis of different specifications to be processed, the corresponding limit plate is selected and installed on the tooling bottom plate. A baffle is installed on one side of the limit plate, and a plate slot is provided between the baffle and the limit plate. The side plates and partitions of the circuit breaker chassis are inserted into the plate slot in sequence, and the side plates and partitions are limitedly placed by the cooperation of the baffle and the limit plate. A plate auxiliary support baffle is installed on one side of the limit plate on the tooling bottom plate, and an auxiliary slot is provided in the middle of the plate auxiliary support baffle. The auxiliary slot is aligned with the plate slot, and the plate auxiliary support baffle plays an auxiliary support role. A positioning hole is provided in the limit plate, and a positioning rod is inserted in the positioning hole. The insertion end of the positioning rod is provided with a conical slope. The positioning hole is aligned with the hole positions of the installed side panels, partitions and other panels. The positioning rod passes through the positioning hole to combine and position the panels placed in the panel limiting mechanism. The conical slope can help the positioning rod to be inserted into the positioning hole more quickly and conveniently to complete the positioning of the panel.The plate clamping mechanism includes a first end surface clamping mechanism, a second end surface clamping mechanism, a first bent plate clamping mechanism, a second bent plate clamping mechanism, a first bottom plate clamping mechanism and a second bottom plate clamping mechanism installed on the tooling bottom plate, the first end surface clamping mechanism and the second end surface clamping mechanism are arranged on the clamping ends on both sides of the tooling bottom plate, the first end surface clamping mechanism and the second end surface clamping mechanism are used to combine the bottom plate and the outer end surface of the bent plate combined with the middle side plate and the partition plate with the middle plate to press them on the fixed tooling, the first bent plate clamping mechanism and the second bent plate clamping mechanism are arranged on the bent plate clamping side of the tooling bottom plate, and the bent plate clamping heads of the first bent plate clamping mechanism and the second bent plate clamping mechanism are connected to the limit The outer end surface of the positioning plate is aligned, the first bent plate clamping mechanism and the second bent plate clamping mechanism are used to press the upper welding surface of the bent plate combined with the middle side plate and the partition onto the fixed tooling, the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are arranged on the bottom plate clamping side of the tooling bottom plate, the bottom plate clamping heads of the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are aligned with the outer end surface of the limiting plate, the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are used to press the welding surface of the bottom plate combined with the middle side plate and the partition onto the fixed tooling, and complete the pressing and fixing of the outer shell frame of the circuit breaker chassis composed of the bottom plate and the bent plate on the fixed tooling, thereby ensuring the quality and efficiency of the laser welding process.

[0012] Preferably, the end face clamping heads of the first end face clamping mechanism and the second end face clamping mechanism, the bent plate clamping heads of the first bent plate clamping mechanism and the second bent plate clamping mechanism, and the bottom plate clamping heads of the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are respectively installed in the adjustment grooves of the first end face clamping mechanism and the second end face clamping mechanism, the first bent plate clamping mechanism and the second bent plate clamping mechanism, and the first bottom plate clamping mechanism and the second bottom plate clamping mechanism through the position tension adjustment mechanism. When installing the bottom plate and bent plate panel of the circuit breaker case, the tension adjustment mechanism is loosened to position and pre-assemble the bottom plate and the bent plate panel with the side plate and the partition. After the panel assembly is completed, the end face clamping heads of the first end face clamping mechanism and the second end face clamping mechanism, the bent plate clamping heads of the first bent plate clamping mechanism and the second bent plate clamping mechanism, and the bottom plate clamping heads of the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are moved and pressed on the panel along the adjustment groove by adjusting and locking the tension adjustment mechanism. The clamping position of the clamping part of the panel clamping mechanism can be directly and conveniently adjusted according to the different specifications of the circuit breaker chassis panels, and has a wider fixing adaptability.

[0013] Preferably, the adjusting link of the tension adjustment mechanism is arranged in the adjusting groove, a locking washer is sleeved on the adjusting link, the inner side of the locking washer and the outer end face of the adjusting groove are arranged to fit each other, locking components are installed at both ends of the adjusting link on the outer side of the locking washer, the locking component and the adjusting link are threadedly connected, and the pressing end of the adjusting link is combined with the end face pressing head, the bent plate pressing head and the bottom plate pressing head. When adjusting, the locking component can be loosened to move the plate pressing mechanism along the adjusting groove, which is convenient for the assembly and installation of the plates. After the plate assembly is completed, the adjusting link is moved along the adjusting groove to the pressing position, and then the locking component is tightened to make the end face pressing head, the bent plate pressing head and the bottom plate pressing head pressed tightly on the outer end face of the plate, thereby completing the fixation of the plate.

[0014] Preferably, the end face clamping heads of the first end face clamping mechanism and the second end face clamping mechanism are arranged opposite to each other to pre-tighten the outer end faces of the base plate and the bent plate, the bent plate clamping head of the second bent plate clamping mechanism and the bottom plate clamping head of the first bottom plate clamping mechanism are arranged opposite to each other to provide a tighter clamping force to the combined end of the base plate and the bent plate, the end face clamping heads of the first end face clamping mechanism and the second end face clamping mechanism and the bottom plate clamping heads of the first bottom plate clamping mechanism and the second bottom plate clamping mechanism are rubber clamping end heads, and the bent plate clamping heads of the first bent plate clamping mechanism and the second bent plate clamping mechanism are rigid clamping end heads.

[0015] Preferably, the clamping rod of the plate clamping mechanism is rotatably mounted on the clamping bracket through a rotating locking mechanism, the operating end of the clamping rod is provided with a handle, the rotating locking mechanism includes a rotating connection fulcrum between the clamping rod and the clamping support, a rotating fulcrum connecting the clamping support and the clamping bracket, the rotating connection fulcrum is arranged above the rotating fulcrum, the clamping rod is combined with the clamping bracket through a rotating locking link, the rotating locking link is rotatably combined with the clamping bracket through the connecting fulcrum, and the rotating locking link is combined with the clamping rod through the locking fulcrum. The rotating locking mechanism can improve the convenience of adjusting the plate clamping mechanism.

[0016] Preferably, the combined end surface of the tool fixing plate is provided with a strip-shaped mounting hole, and the tool fixing plate is aligned with the mounting hole of the tool base plate through the strip-shaped mounting hole and combined with a locking bolt, and can be replaced and installed with tool base plates of different specifications through the strip-shaped mounting hole, and the tool base plate can be firmly installed on the tool fixing plates on both sides. A combination hole is opened in the limit plate, and a locking hole is opened on the side of the tool fixing plate. The combination hole and the locking hole are aligned and arranged, and the limit plate is combined with the locking hole and installed on one side of the tool fixing plate through the combination locking component through the combination hole. The limit plate and the tool fixing plate rotate synchronously to ensure that the fixed tool is locked and limited to a suitable processing angle to ensure the accuracy of the processing.

[0017] Preferably, a horizontal limit slot and a vertical limit slot are opened on the outer side of the limit plate, the horizontal limit slot is aligned parallel to the tooling fixing plate and is arranged on the same horizontal plane, a corner limit slot is arranged between the horizontal limit slot and the vertical limit slot, and the insertion end of the positioning slider is provided with a sliding insertion inclined surface narrowing toward the center, and the sliding insertion inclined surface cooperates with the port of the limit slot, which can more intuitively and accurately adjust the processing angle of the control fixed tooling.

[0018] Preferably, the rotation regulating mechanism comprises a rotation regulating hand wheel and a rotation reducer, the driving shaft of the rotation reducer is connected to the rotation shaft through a connector, and the rotation reducer is mounted on the rotation fixing plate of the base bracket. The operator can quickly and accurately complete the processing angle regulation of the fixed tooling by operating the rotation regulating hand wheel and using the rotation reducer.

[0019] Furthermore, the present invention provides a welding method for a circuit breaker chassis laser welding tool, comprising the following steps:

[0020] 1) Select the fixed tooling corresponding to the specifications of the circuit breaker chassis to be processed, install the fixed tooling on the tooling base, and adjust the processing angle of the fixed tooling on the tooling base;

[0021] 2) Place and assemble the panels of the circuit breaker chassis on the fixed fixture;

[0022] 3) Start the multi-directional laser welding device, which performs multi-directional laser welding on the circuit breaker chassis frame fixed on the fixed tooling according to the preset welding processing path;

[0023] 4) After completing the multi-directional laser welding process, release the plate clamping mechanism and remove the circuit breaker chassis from the fixed tooling for storage.

[0024] Compared with the prior art, the gain effects of the present invention include:

[0025] The circuit breaker chassis laser welding tool provided by the present invention can realize efficient and high-quality batch processing and production of circuit breaker chassis by adopting the cooperation of a multi-directional laser welding device and an innovatively designed chassis positioning and fixing device, thereby meeting the needs of the current power grid system.

[0026] The fixed tooling and tooling base of the circuit breaker chassis laser welding tooling provided by the present invention adopt a detachable combined installation structure. According to the processing and production requirements, the fixed tooling composed of a plate limiting mechanism and a tooling base corresponding to the model and specification of the circuit breaker chassis to be manufactured can be selected and installed on the tooling base, which can adapt to the positioning and fixing of the plates of different circuit breaker chassis and has higher versatility of use. The plate limiting mechanism and the tooling base of the fixed tooling of the circuit breaker chassis laser welding tooling provided by the present invention can be quickly disassembled and assembled, and the operation is more convenient and quick when replacing the plate limiting mechanism of the plate of the fixed side plate and the partition.

[0027] The circuit breaker chassis laser welding tool provided by the present invention also adds positioning holes corresponding to the hole positions of the side panels and partition panels of the circuit breaker chassis to be processed, and a panel auxiliary positioning structure composed of a positioning plate combined with the positioning holes in the limiting plate of the panel limiting mechanism, which can effectively improve the installation stability of the side panels and partition panels of the circuit breaker chassis after being installed in the panel limiting mechanism and the combination accuracy with other panels, realize stable and accurate limiting and fixing of the panels, ensure that the panels of the circuit breaker chassis after assembly are set in the correct processing position, and improve the welding effect during the welding process.

[0028] The fixed tooling and the tooling base of the circuit breaker chassis laser welding tooling provided by the present invention can realize multi-angle rapid and accurate adjustment through a rotating fixing mechanism. By utilizing the limiting cooperation between the rotating adjustment limiting mechanism and the rotating fixing mechanism, the fixed tooling can be more conveniently adjusted to the most suitable welding processing angle according to the processing position and the limiting can be quickly completed in actual production, thereby providing the most ideal processing position for the welding process and ensuring that the welding processing of all positions that need to be processed can be completed smoothly. The invention has the advantages of convenient rotation operation, fast and firm angle adjustment limiting, more accurate multi-faceted welding processing at different angles, and effectively improving welding efficiency.

[0029] The fixed tooling of the circuit breaker chassis laser welding tooling provided by the present invention adopts a comprehensive positioning combined clamping structure of a plate limiting mechanism and a plate clamping mechanism, which can accurately and firmly clamp and fix the welding frame structure composed of the plates of the circuit breaker chassis on the fixed tooling, so that the multi-directional laser welding device can complete the welding process of the circuit breaker chassis more accurately and efficiently, and produce a molded product with better quality.

[0030] The plate clamping mechanism of the fixing tool of the circuit breaker chassis laser welding tool provided by the present invention is easy to operate in terms of tension and clamping position adjustment, which effectively reduces the man-hours for replacing and fixing the plates. At the same time, the plate clamping mechanism provides a clamping force in multiple directions to the frame of the circuit breaker chassis, so that the combination of the plates can be more firm and accurate. At the same time, the extension height of the tension adjustment mechanism of the plate clamping mechanism can be staggered with the laser welding end of the multi-directional laser welding device, so that no movement interference occurs, which affects the welding position, and further improves the welding effect.

[0031] The welding method of the circuit breaker chassis laser welding tool provided by the present invention is more convenient to operate. The circuit breaker chassis laser welding tool and the welding method provided by the present invention can quickly complete the positioning, combination and fixing operations of the circuit breaker chassis component panels. The circuit breaker chassis frame after fixation is tightly combined, and the panel welding alignment is accurate. Combined with the multi-directional laser welding device, efficient and accurate automated laser welding processing can be performed according to the set welding path of the frame of the circuit breaker chassis installed on the installed fixing tool. Automatic and rapid welding, fast production, neat and beautiful welds, the structure of the formed circuit breaker chassis is more solid, and has better quality, which provides better protection for power grid system equipment and provides users with more stable power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The figure is a schematic structural diagram of the laser welding tooling for the circuit breaker chassis provided by the present invention.

[0033] Figure 2 It is a structural schematic diagram of a chassis positioning and fixing device of a circuit breaker chassis laser welding tool provided by the present invention.

[0034] Figure 3 It is a structural schematic diagram of a tool base of a circuit breaker chassis laser welding tool provided by the present invention.

[0035] Figure 4 The figure is a schematic diagram of the inner structure of a tool base of a circuit breaker chassis laser welding tool provided by the present invention.

[0036] Figure 5 It is a structural schematic diagram of a rotation adjustment limit mechanism of a tool base of a circuit breaker chassis laser welding tool provided by the present invention.

[0037] Figure 6 The utility model is a schematic diagram of the inner structure of the rotation adjustment limit mechanism of the tool base of the circuit breaker chassis laser welding tool provided by the present invention.

[0038] Figure 7 It is a structural schematic diagram of a fixing tool of a circuit breaker chassis laser welding tool provided by the present invention.

[0039] Figure 8It is a schematic diagram of the rear structure of the fixing tool of the circuit breaker chassis laser welding tool provided by the present invention.

[0040] Fig. 9 The utility model is a schematic diagram of the combination of a tool base plate, a limit plate and a baffle plate of a laser welding tool for a circuit breaker chassis provided by the present invention.

[0041] Fig.10 It is a schematic diagram of the tightness adjustment mechanism of the circuit breaker chassis laser welding tooling provided by the present invention.

[0042] Fig.11 It is a schematic diagram of the combination of a plate pressing mechanism and a rotation locking mechanism of a circuit breaker chassis laser welding tool provided by the present invention.

[0043] Fig.12 It is a processing schematic diagram of the circuit breaker chassis laser welding tooling provided by the present invention.

[0044] Fig.13 The present invention provides a flow chart of a welding method for a circuit breaker chassis laser welding tool.

[0045] Description of Figure Numbers:

[0046] Multi-directional laser welding device-1, fixed tooling-2, tooling base-3, base bracket-4, rotation fixing mechanism-5, rotation adjustment limit mechanism-6, plate limit mechanism-7, plate pressing mechanism-8, rotation control mechanism-9, tension adjustment mechanism-10, adjustment connecting rod-101, locking gasket-102, locking component-103, tooling base plate-21, strip mounting hole-211, limit mounting groove-22, rotating bearing seat-51, rotating shaft-52, tooling fixing plate-53, mounting hole-531, locking hole-532, limit bracket-61, sliding groove-6, sliding guide rod-63, positioning slider-64, sliding insertion inclined surface-641, sliding locking component-65, sliding locking component-65, limit plate-66, limit slot-67, horizontal limit slot-671, vertical Limiting slot -672, corner limiting slot -673, pull ring -68, combination hole -69, limiting plate -71, baffle -72, plate slot -73, plate auxiliary support baffle -74, auxiliary slot -75, positioning socket -76, positioning rod -77, conical slope -78, first end face clamping mechanism -81, second end face clamping mechanism -82, first bent plate clamping mechanism -83, second bent plate clamping mechanism -84, first bottom plate clamping mechanism -85, second bottom plate clamping mechanism -86, bent plate clamping head -87, bottom plate clamping head -88, end face clamping head -89, adjusting slot -80, clamping rod -801, clamping bracket -802, handle -803, clamping support -804, rotating locking link -805, dynamic adjustment hand wheel -91, rotating reducer -92, connector -93. DETAILED DESCRIPTION

[0047] The present invention is further described below in conjunction with specific implementation methods. The accompanying drawings are only used for exemplary descriptions and are only schematic diagrams, not actual drawings, and cannot be understood as limiting this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0048] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0049] The present invention is further described below with reference to specific embodiments and accompanying drawings:

[0050] like Figures 1 to 13 Shown is a schematic diagram of the circuit breaker chassis laser welding tooling and welding method provided by the present invention.

[0051] Specifically, the present invention is a circuit breaker chassis laser welding tool, comprising a multi-directional laser welding device 1 and a chassis positioning and fixing device, the laser welding end of the multi-directional laser welding device 1 is movably arranged on one side of the chassis positioning and fixing device, the chassis positioning and fixing device comprises a fixed tool 2 and a tool base 3, the fixed tool 2 is installed at the fixed end of the tool base 3, the fixed tool 2 is used to place and clamp and fix the plate of the chassis to be welded, the tool base 3 is used to install and adjust the welding processing position and welding processing angle of the fixed tool 2, the multi-directional laser welding device 1 is used to laser weld the chassis frame fixed on the fixed tool 2, and a rotating fixing mechanism 5 is provided on the fixed end of the base bracket 4 of the tool base 3 And a rotation adjustment limit mechanism 6, the rotation fixing mechanism 5 is connected to the rotation adjustment limit mechanism 6, the rotation adjustment limit mechanism 6 limits the rotation angle of the rotation fixing mechanism 5, the rotation fixing mechanism 5 is combined with the fixed tooling 2, the rotation fixing mechanism 5 is used to install and adjust the processing angle of the fixed tooling 2, a panel limiting mechanism 7 is provided on the tooling bottom plate 21 of the fixed tooling 2, the panel limiting mechanism 7 is used to place the side panels and partition panels of the chassis, a panel clamping mechanism 8 is provided on the tooling bottom plate 21, the panel clamping mechanism 8 is used to clamp and fix the bottom plate and the bent plate combined with the side panels and partitions to form a chassis frame to be processed, the panel clamping mechanism 8 cooperates with the panel limiting mechanism 7 to fix the chassis components on the fixed tooling 2.

[0052] Preferably, the rotating fixing mechanism 5 includes a rotating bearing seat 51 mounted on the base bracket 4 and a rotating shaft 52 rotatably arranged in the rotating bearing seat 51 through a rotating shaft 52, the rotating end of the rotating shaft 52 is connected to the tool fixing plate 53, the tool fixing plate 53 is combined with the tool bottom plate 21, and the tool bottom plate 21 of the fixed tool 2 is combined with the tool fixing plates 53 on both sides of the lower end and mounted on the base bracket 4 to achieve multi-angle rotation. One side of the rotating shaft 52 is connected to the rotating regulating mechanism 9, and the rotating regulating mechanism 9 controls the welding processing angle of the fixed tool 2 mounted on the tool fixing plate 53, and the welding processing angle of the fixed tool 2 is locked by the rotating regulating limit mechanism 6. The limit bracket 61 of the rotation adjustment limit mechanism 6 is installed on the rotation bearing seat 51, and a positioning slider 64 is installed in the sliding groove 62 of the limit bracket 61 through a sliding guide rod 63. The sliding guide rod 63 is connected to a sliding locking component 65. The sliding locking component 65 cooperates with the sliding groove 62 to fix the position of the positioning slider 64. The limit plate 66 of the rotation adjustment limit mechanism 6 is installed on the rotating shaft 52. The combination of the limit plate 66 and the tooling fixing plate 53 has a plurality of limit slots 67 on the outer side of the limit plate 66. The positioning slider 64 slides Insert and install in the limit slot 67, the positioning slider 64 cooperates with the limit slot 67 to lock the rotation of the limit disk 66, and the operating end of the positioning slider 64 is provided with a pull ring 68. The positioning slider 64 slides up and down in the sliding groove 62 through the sliding guide rod 63, so that the insertion in the limit slot 67 limits the limit disk 66 and the removal releases the limit of the limit disk 66. After the fixed tooling 2 is rotated to the processing angle, the positioning slider 64 is inserted into the limit slot 67, and the processing angle of the fixed tooling 2 is locked by the sliding locking component 65. The tooling bottom plate 21 is provided with a limited installation groove 22, and the limit plate 71 of the plate limit mechanism 7 is installed in the limited installation groove 22. The limit plate 71 and the limit installation groove 22 are a detachable installation combination. According to the plates of the circuit breaker chassis of different specifications to be processed, the corresponding limit plate 71 is selected and installed on the tooling bottom plate 21. A baffle plate 72 is installed on one side of the limit plate 71, and a plate slot 73 is provided between the baffle plate 72 and the limit plate 71. The side plates and partitions of the circuit breaker chassis are inserted and placed in the plate slot 73 in sequence, and the side plates and partitions are limitedly placed by the cooperation of the baffle plate 72 and the limit plate 71. A plate auxiliary support baffle plate 74 is installed on one side of the limit plate 71 on the tooling bottom plate 21, and an auxiliary slot 75 is opened in the middle of the plate auxiliary support baffle plate 74. The auxiliary slot 75 is aligned with the plate slot 73, and the plate auxiliary support baffle plate 74 plays an auxiliary support role.A positioning hole 76 is provided in the limiting plate 71, and a positioning rod 77 is inserted in the positioning hole 76. The insertion end of the positioning rod 77 is provided with a conical slope 78. The positioning hole 76 is aligned with the hole positions of the installed side panels, partitions and other panels. The positioning rod 77 passes through the positioning hole 76 to combine and position the panels placed in the panel limiting mechanism 7. The conical slope 78 can help the positioning rod 77 to be inserted into the positioning hole 76 more quickly and conveniently to complete the positioning of the panels. The plate clamping mechanism 8 includes a first end surface clamping mechanism 81, a second end surface clamping mechanism 82, a first bent plate clamping mechanism 83, a second bent plate clamping mechanism 84, a first bottom plate clamping mechanism 85, and a second bottom plate clamping mechanism 86 installed on the tooling bottom plate 21. The first end surface clamping mechanism 81 and the second end surface clamping mechanism 82 are arranged at the clamping ends on both sides of the tooling bottom plate 21. The first end surface clamping mechanism 81 and the second end surface clamping mechanism 82 are used to combine the bottom plate and the outer end surface of the bent plate after being combined with the middle side plate and the partition plate with the middle plate to be pressed on the fixed tooling 2. The first bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are arranged on the bent plate clamping side of the tooling bottom plate 21. The bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are provided on the bent plate clamping mechanism 86 of the tooling bottom plate 21. The tightening head 87 is aligned with the outer end surface of the limit plate 71, the first bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are used to press the upper welding surface of the bent plate after being combined with the middle side plate and the partition plate on the fixed tooling 2, the first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are arranged on the bottom plate clamping side of the tooling bottom plate 21, the bottom plate clamping heads 88 of the first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are aligned with the outer end surface of the limit plate 71, the first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are used to press the welding surface of the bottom plate after being combined with the middle side plate and the partition plate on the fixed tooling 2, and complete the pressing and fixing of the outer shell frame of the circuit breaker chassis composed of the bottom plate and the bent plate on the fixed tooling 2, thereby ensuring the quality and efficiency of the laser welding process.

[0053] Preferably, the end surface pressing heads 89 of the first end surface pressing mechanism 81 and the second end surface pressing mechanism 82, the bent plate pressing heads 87 of the first bent plate pressing mechanism 83 and the second bent plate pressing mechanism 84, and the bottom plate pressing heads 88 of the first bottom plate pressing mechanism 85 and the second bottom plate pressing mechanism 86 are respectively installed in the adjustment grooves 80 of the first end surface pressing mechanism 81 and the second end surface pressing mechanism 82, the first bent plate pressing mechanism 83 and the second bent plate pressing mechanism 84, and the first bottom plate pressing mechanism 85 and the second bottom plate pressing mechanism 86 through the position tension adjustment mechanism 10. When installing the bottom plate and bent plate of the circuit breaker case, the bottom plate and bent plate are positioned and pre-assembled with the side plate and the partition by loosening the tension adjustment mechanism 10. After the plate assembly is completed, the end surface pressing heads 89 of the first end surface pressing mechanism 81 and the second end surface pressing mechanism 82, the bent plate pressing heads 87 of the first bent plate pressing mechanism 83 and the second bent plate pressing mechanism 84, and the bottom plate pressing heads 88 of the first bottom plate pressing mechanism 85 and the second bottom plate pressing mechanism 86 are moved and pressed on the plate by adjusting and locking the tension adjustment mechanism 10 along the adjustment groove 80. The pressing position of the pressing part of the plate pressing mechanism 8 can be directly and conveniently adjusted according to different specifications of the circuit breaker case plate, and has a wider range of fixed adaptability.

[0054] Preferably, the adjusting link 101 of the tension adjustment mechanism 10 is arranged in the adjusting groove 80, and a locking gasket 102 is sleeved on the adjusting link 101. The inner side of the locking gasket 102 is arranged to fit together with the outer end surface of the adjusting groove 80. The two ends of the adjusting link 101 are located on the outside of the locking gasket 102 and are equipped with locking components 103. The locking component 103 is threadedly connected to the adjusting link 101, and the clamping end of the adjusting link 101 is combined with the end face clamping head 89, the bent plate clamping head 87 and the bottom plate clamping head 88.

[0055] When adjusting, loosen the locking component 103 to move the plate clamping mechanism 8 along the adjustment groove 80 to facilitate the assembly and installation of the plates. After the plate assembly is completed, move the adjusting connecting rod 101 along the adjustment groove 80 to the clamping position, and then tighten the locking component 103 to make the end face clamping head 89, the bent plate clamping head 87 and the bottom plate clamping head 88 clamped on the outer end face of the plate to complete the fixation of the plate.

[0056] Preferably, the end face clamping heads 89 of the first end face clamping mechanism 81 and the second end face clamping mechanism 82 are arranged opposite to each other to pre-tighten the outer end faces of the base plate and the bent plate, and the bent plate clamping head 87 of the second bent plate clamping mechanism 84 and the bottom plate clamping head 88 of the first bottom plate clamping mechanism 85 are arranged opposite to each other to provide a tighter clamping force to the combined end of the base plate and the bent plate. The end face clamping heads 89 of the first end face clamping mechanism 81 and the second end face clamping mechanism 82 and the bottom plate clamping heads 88 of the first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are rubber clamping end heads, and the bent plate clamping heads 87 of the first bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are rigid clamping end heads.

[0057] Preferably, the clamping rod 801 of the plate clamping mechanism 8 is rotatably mounted on the clamping bracket 802 through a rotating locking mechanism, the operating end of the clamping rod 801 is provided with a handle 803, the rotating locking mechanism includes a rotating connection fulcrum between the clamping rod 801 and the clamping support 804, a rotating fulcrum connecting the clamping support 804 and the clamping bracket 802, the rotating connection fulcrum is arranged above the rotating fulcrum, the clamping rod 801 is combined with the clamping bracket 802 through a rotating locking link 805, the rotating locking link 805 is rotatably combined with the clamping bracket 802 through the connecting fulcrum, and the rotating locking link 805 is combined with the clamping rod 801 through the locking fulcrum. The rotating locking mechanism can improve the convenience of adjusting the plate clamping mechanism 8.

[0058] Preferably, the combined end surface of the tool fixing plate 53 is provided with a strip-shaped mounting hole 531, and the tool fixing plate 53 is aligned with the mounting hole 211 of the tool base plate 21 through the strip-shaped mounting hole 531 and combined with a locking bolt. Through the strip-shaped mounting hole 531, the tool base plate 21 of different specifications can be replaced and installed, and the tool base plate 21 can be firmly installed on the tool fixing plates 53 on both sides. A combination hole 69 is opened in the limit plate 66, and a locking hole 532 is opened on the side of the tool fixing plate 53. The combination hole 69 is aligned with the locking hole 532. The limit plate 66 passes through the combination hole 69 and is combined with the locking hole 532 and installed on one side of the tool fixing plate 53 through a combined locking component. The limit plate 66 rotates synchronously with the tool fixing plate 53 to ensure that the fixed tool 2 is locked and limited to a suitable processing angle, thereby ensuring the accuracy of processing.

[0059] Preferably, a horizontal limit slot 671 and a vertical limit slot 672 are opened on the outer side of the limit plate 66. The horizontal limit slot 671 is aligned parallel to the tooling fixing plate 53 and is arranged on the same horizontal plane. A corner limit slot 673 is arranged between the horizontal limit slot 671 and the vertical limit slot 672. The insertion end of the positioning slider 64 is provided with a sliding insertion inclined surface 641 narrowing toward the center. The sliding insertion inclined surface 641 cooperates with the port of the limit slot 67, which can more intuitively and accurately adjust the processing angle of the control fixing tool 2.

[0060] Preferably, the rotation regulating mechanism 9 includes a rotation regulating hand wheel 91 and a rotation reducer 92, the driving shaft of the rotation reducer 92 is connected to the rotation shaft 52 through a connector 93, and the rotation reducer 92 is mounted on the rotation fixing plate 41 of the base bracket 4. The operator operates the rotation regulating hand wheel 91 and uses the rotation reducer 92 to quickly and accurately complete the processing angle regulation of the fixed tooling 2.

[0061] First embodiment:

[0062] In the present embodiment, a circuit breaker chassis laser welding tool is provided, including a multi-directional laser welding device 1 and a chassis positioning and fixing device. The laser welding end of the multi-directional laser welding device 1 can be movably arranged on one side of the chassis positioning and fixing device. The chassis positioning and fixing device includes a fixed tool 2 and a tool base 3. The fixed tool 2 is installed at the fixed end of the tool base 3. The fixed tool 2 is used to place and clamp the plate of the chassis to be welded. The tool base 3 is used to install and adjust the welding processing position and welding processing angle of the fixed tool 2. The multi-directional laser welding device 1 is used to laser weld the chassis frame fixed on the fixed tool 2. The fixed end of the base bracket 4 of the tool base 3 is provided with a rotating fixing mechanism 5. And a rotation adjustment limit mechanism 6, the rotation fixing mechanism 5 is connected to the rotation adjustment limit mechanism 6, the rotation adjustment limit mechanism 6 limits the rotation angle of the rotation fixing mechanism 5, the rotation fixing mechanism 5 is combined with the fixed tooling 2, the rotation fixing mechanism 5 is used to install and adjust the processing angle of the fixed tooling 2, a panel limiting mechanism 7 is provided on the tooling bottom plate 21 of the fixed tooling 2, the panel limiting mechanism 7 is used to place the side panels and partition panels of the chassis, a panel clamping mechanism 8 is provided on the tooling bottom plate 21, the panel clamping mechanism 8 is used to clamp and fix the bottom plate and the bent plate combined with the side panels and partitions to form a chassis frame to be processed, the panel clamping mechanism 8 cooperates with the panel limiting mechanism 7 to fix the chassis components on the fixed tooling 2.

[0063] Preferably, the rotation fixing mechanism 5 includes a rotation bearing seat 51 installed on the base bracket 4 and a rotation shaft 52 rotatably arranged in the rotation bearing seat 51 through a rotation shaft 52, the rotation end of the rotation shaft 52 is connected to the tooling fixing plate 53, the tooling fixing plate 53 is combined with the tooling bottom plate 21, one side of the rotation shaft 52 is connected to the rotation regulation mechanism 9, the limit bracket 61 of the rotation adjustment limit mechanism 6 is installed on the rotation bearing seat 51, and a positioning slider 64 is installed in the sliding groove 62 of the limit bracket 61 through a sliding guide rod 63, the sliding guide rod 63 is connected to a sliding locking component 65, and the sliding locking component 65 cooperates with the sliding groove 62 to fix the position of the positioning slider 64, the limit plate 66 of the rotation adjustment limit mechanism 6 is installed on the rotation shaft 52, the limit plate 66 is combined with the tooling fixing plate 53, and a plurality of limit slots 67 are opened on the outer side of the limit plate 66, and the positioning slider 64 is slidably inserted and installed In the limiting slot 67, the positioning slider 64 cooperates with the limiting slot 67 to lock the rotation of the limiting disk 66. The operating end of the positioning slider 64 is provided with a pull ring 68. The tooling bottom plate 21 is provided with a limiting installation slot 22. The limiting plate 71 of the plate limiting mechanism 7 is installed in the limiting installation slot 22. The limiting plate 71 and the limiting installation slot 22 are a detachable installation combination. A baffle plate 72 is installed on one side of the limiting plate 71, and a plate is provided between the baffle plate 72 and the limiting plate 71. The plate slot 73 is formed by a plate auxiliary support baffle 74, and a plate auxiliary support baffle 74 is installed on one side of the limit plate 71 on the tooling bottom plate 21. An auxiliary slot 75 is provided in the middle of the plate auxiliary support baffle 74, and the auxiliary slot 75 is aligned with the plate slot 73. A positioning hole 76 is provided in the limit plate 71, and a positioning rod 77 is inserted in the positioning hole 76. The insertion end of the positioning rod 77 is provided with a conical slope 78, and the positioning hole 76 is aligned with the hole positions of the installed side panels, partitions and other panels. The plate clamping mechanism 8 includes a first end surface clamping mechanism 81, a second end surface clamping mechanism 82, a first bent plate clamping mechanism 83, a second bent plate clamping mechanism 84, a first bottom plate clamping mechanism 85, and a second bottom plate clamping mechanism 86 installed on the tooling bottom plate 21. The first end surface clamping mechanism 81 and the second end surface clamping mechanism 82 are arranged at the clamping ends on both sides of the tooling bottom plate 21. The first end surface clamping mechanism 81 and the second end surface clamping mechanism 82 are used to combine the outer end surfaces of the bottom plate and the bent plate combined with the middle side plate and the partition plate and press them on the fixed tooling 2 in cooperation with the middle plate. The first bent plate clamping mechanism 83 and the second end surface clamping mechanism 84 are arranged at the clamping ends on both sides of the tooling bottom plate 21. The second bent plate clamping mechanism 84 is arranged on the bent plate clamping side of the tooling bottom plate 21, and the bent plate clamping heads 87 of the first bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are aligned with the outer end surface of the limit plate 71. The first bent plate clamping mechanism 83 and the second bent plate clamping mechanism 84 are used to press the upper welding surface of the bent plate combined with the middle side plate and the partition plate onto the fixed tooling 2. The first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are arranged on the bottom plate clamping side of the tooling bottom plate 21, and the bottom plate clamping heads 88 of the first bottom plate clamping mechanism 85 and the second bottom plate clamping mechanism 86 are aligned with the outer end surface of the limit plate 71.

[0064] Furthermore, the present invention provides a welding method for a circuit breaker chassis laser welding tool, comprising the following steps:

[0065] 1) The plate limiting mechanism 7 is composed of a limiting plate 71 and a baffle 72. The plate limiting mechanism 7 is installed on the limiting mounting groove 22 of the tooling base plate 21, and then the mounting holes 211 of the tooling base plate 21 are aligned with the strip mounting holes 531 of the combined end surface of the tooling fixing plate 53, and the fixing tool 2 is installed on the tooling fixing plates 53 on both sides using locking bolts.

[0066] Loosen the rotation adjustment limit mechanism 6, pull out the positioning slider 64 through the pull ring 68, and release the rotation angle limit of the rotation fixing mechanism 5. Operate the rotation control mechanism 9, hold and rotate the rotation adjustment hand wheel 91, and drive the rotation fixing mechanism 5 and the upper fixed tooling 2 to rotate stably to the corresponding processing tilt angle through the rotation reducer 92, insert the positioning slider 64 into the limit slot 67, tighten the sliding locking component 65 to lock the position of the positioning slider 64, and set the fixed tooling 2 at the processing tilt angle.

[0067] 2) Loosen the plate clamping mechanism 8, install the side plate and partition plate of the circuit breaker chassis into the plate slot 73, and align the holes of the side plate and partition with the positioning socket 76, then insert the positioning rod 77 into the holes and positioning socket 76 of the side plate and partition to complete the positioning installation of the side plate and partition, and then install the bottom plate and bent plate of the circuit breaker chassis on the side plate and partition to form the prototype of the circuit breaker chassis frame.

[0068] Move the tension adjustment mechanism 10 connected to the plate clamping mechanism 8 along the adjustment groove 80 to the plate clamping position, first adjust the position of the outer locking component 103, and use the locking component 103 and the locking gasket 102 to make the adjusting link 101 press the end face clamping head 89, the bent plate clamping head 87 and the bottom plate clamping head 88 on the surface of the bottom plate and the bent plate, and then lock the inner locking component 103 to fix the position of the tension adjustment mechanism 10, and firmly press the end face clamping head 89, the bent plate clamping head 87 and the bottom plate clamping head 88 on the processing surface of the bottom plate and the bent plate. Among them, when the plate auxiliary support baffle 74 is pressed on the bottom plate, it can cooperate with the second end face clamping mechanism 82 to provide auxiliary support to the bottom plate, so that during the processing, the bottom plate can be welded with the side plate and the partition at the processing position.

[0069] During installation, the end face pressing heads 89 of the first end face pressing mechanism 81 and the second end face pressing mechanism 82 are arranged opposite to each other. The end face pressing heads 89 of the first end face pressing mechanism 81 and the second end face pressing mechanism 82 are rubber pressing heads, which can effectively position and press the bottom plate and the bent plate. The bent plate pressing head 87 of the second bent plate pressing mechanism 84 and the bottom plate pressing head 88 of the first bottom plate pressing mechanism 85 are arranged opposite to each other, providing a more tightening pressing force to the combined end of the bottom plate and the bent plate, so that the bottom plate and the bent plate can be tightly combined together, thereby improving the quality of the finished product of the circuit breaker chassis after welding. The processing frame of the circuit breaker chassis is fixed on the fixed tooling 2 through the cooperation of the first end face pressing mechanism 81, the second end face pressing mechanism 82, the first bent plate pressing mechanism 83, the second bent plate pressing mechanism 84, the first bottom plate pressing mechanism 85, and the second bottom plate pressing mechanism 86 with the plate limiting mechanism 7.

[0070] 3) The welding process program is transmitted to the multi-directional laser welding device 1, and the multi-directional laser welding device 1 is started. The multi-directional rotating welding mechanism of the multi-directional laser welding device 1 drives the laser welding end to perform welding processing on the circuit breaker chassis frame fixed on the fixed tooling 2 according to the preset laser welding process path, so that the bottom plate, bent plate, partition plate and side plate of the circuit breaker chassis are neatly and firmly combined together.

[0071] During the welding process driven by the multi-directional rotating welding mechanism, the upper end of the adjusting link 101 of the tension adjustment mechanism 10 controls the extension amount not to exceed 10% of the length of the adjusting link 101, so that the laser welding end can remain smooth during the movement, and no accidental collision will occur to cause damage, affect production efficiency, and reduce additional maintenance costs.

[0072] 4) After the multi-directional laser welding device 1 completes all welding of the circuit breaker chassis frame, the multi-directional laser welding device 1 controls the laser welding end to reset to the processing position, and the operator releases the locking component 103 and moves the plate clamping mechanism 8 outward to remove the formed circuit breaker chassis from the fixed tooling 2, and stores the removed circuit breaker chassis as required.

[0073] Continuing to repeat the above welding processing method steps can efficiently complete the production of the circuit breaker chassis. Example

[0074] This embodiment is similar to the first embodiment, except that the clamping rod 801 of the plate clamping mechanism 8 in this embodiment is rotatably mounted on the clamping bracket 802 through a rotation locking mechanism, the operating end of the clamping rod 801 is provided with a handle 803, the rotation locking mechanism includes a rotation connection fulcrum between the clamping rod 801 and the clamping support 804, a rotation fulcrum connecting the clamping support 804 and the clamping bracket 802, the rotation connection fulcrum is arranged above the rotation fulcrum, the clamping rod 801 is combined with the clamping bracket 802 through a rotation locking link 805, the rotation locking link 805 is rotationally combined with the clamping bracket 802 through the connection fulcrum, and the rotation locking link 805 is combined with the clamping rod 801 through the locking fulcrum. The adjustment operation convenience of the plate clamping mechanism 8 can be improved by the rotation locking mechanism.

[0075] Similar to the processing operation of the first embodiment, when taking out and putting in the circuit breaker case plate for processing, the handle 803 is held and rotated upward to unlock the rotation locking mechanism, so that the pressing support 804 releases the pressing action on the circuit breaker case, and the removal operation can be performed. After the circuit breaker case plate is placed into the fixed tool 2 and the frame assembly is completed, the handle 803 is operated to rotate downward again, driving the pressing support 804 to press down, so that the end face pressing head 89, the bent plate pressing head 87 and the bottom plate pressing head 88 at the lower end of the pressing support 804 are pressed on the surface of the bottom plate and the bent plate, and the handle 803 is continued to be pressed down to make the rotation locking link 805 rotate forward, and the rotation locking link 805 and the pressing rod 801 form a rotation locking structure to lock the plate pressing mechanism 8, so that the plate pressing mechanism 8 completes the circuit breaker case frame. Firmly press and fix.

[0076] The circuit breaker chassis laser welding tool provided by the present invention can be applicable to the production and processing of circuit breaker chassis of different specifications.

[0077] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A laser welding tool for a circuit breaker chassis, characterized in that: The invention comprises a multi-directional laser welding device (1) and a chassis positioning and fixing device, wherein the laser welding end of the multi-directional laser welding device (1) is movably arranged on one side of the chassis positioning and fixing device, and the chassis positioning and fixing device comprises a fixing tool (2) and a tool base (3), wherein the fixing tool (2) is installed at the fixing end of the tool base (3), the fixing tool (2) is used to place and clamp a panel of a chassis to be welded, and the tool base (3) is used to install and adjust the welding processing position and welding processing angle of the fixing tool (2), and the multi-directional laser welding device (1) is used to fix the fixing tool (2) on the fixing tool (3) to the fixing end of the tool base (3). The chassis frame on the tooling base (2) is laser welded, a rotation fixing mechanism (5) and a rotation adjustment limiting mechanism (6) are provided on the fixed end of the base bracket (4) of the tooling base (3), the rotation fixing mechanism (5) is connected to the rotation adjustment limiting mechanism (6), the rotation fixing mechanism (5) is connected to the fixed tooling (2), a plate limiting mechanism (7) is provided on the tooling bottom plate (21) of the fixed tooling (2), a plate pressing mechanism (8) is provided on the tooling bottom plate (21), the plate pressing mechanism (8) cooperates with the plate limiting mechanism (7) to fix the chassis component plates on the fixed tooling (2), The rotation fixing mechanism (5) comprises a rotation bearing seat (51) mounted on the base bracket (4) and a rotation shaft (52) arranged in the rotation bearing seat (51); the rotation end of the rotation shaft (52) is connected to a tool fixing plate (53); the tool fixing plate (53) is connected to the tool bottom plate (21); one side of the rotation shaft (52) is connected to a rotation regulating mechanism (9); a limit bracket (61) of the rotation regulating limit mechanism (6) is mounted on the rotation bearing seat (51); a positioning slider (64) is installed in the sliding groove (62) of the limit bracket (61) via a sliding guide rod (63); the sliding guide rod (63) is connected to a sliding locking component (65). The sliding locking component (65) cooperates with the sliding groove (62) to fix the position of the positioning slider (64); the limiting plate (66) of the rotation adjustment limiting mechanism (6) is installed on the rotating shaft (52); the limiting plate (66) is connected to the tooling fixing plate (53); a plurality of limiting slots (67) are opened on the outer side of the limiting plate (66); the positioning slider (64) is slidably inserted into the limiting slots (67); the positioning slider (64) cooperates with the limiting slots (67) to lock the limiting plate (66); a pull ring (68) is provided at the operating end of the positioning slider (64); a limiting installation slot (22) is opened on the tooling bottom plate (21); the plate member The limiting plate (71) of the limiting mechanism (7) is installed in the limiting installation groove (22), the limiting plate (71) and the limiting installation groove (22) are detachably connected, a baffle plate (72) is installed on one side of the limiting plate (71), a plate component clamping groove (73) is provided between the baffle plate (72) and the limiting plate (71), a plate component auxiliary support baffle plate (74) is installed on one side of the limiting plate (71) on the tooling bottom plate (21), an auxiliary clamping groove (75) is provided in the middle of the plate component auxiliary support baffle plate (74), the auxiliary clamping groove (75) is aligned with the plate component clamping groove (73), a positioning hole (76) is provided in the limiting plate (71), and a positioning hole (76) is inserted into the positioning hole (76). A positioning rod (77) is provided, and the insertion end of the positioning rod (77) is provided with a conical slope (78); the plate clamping mechanism (8) comprises a first end surface clamping mechanism (81), a second end surface clamping mechanism (82), a first bent plate clamping mechanism (83), a second bent plate clamping mechanism (84), a first bottom plate clamping mechanism (85) and a second bottom plate clamping mechanism (86) installed on the tooling bottom plate (21); the first end surface clamping mechanism (81) and the second end surface clamping mechanism (82) are arranged at the clamping ends on both sides of the tooling bottom plate (21); the first bent plate clamping mechanism (83) and the second bent plate clamping mechanism (84) are arranged on the bent plate clamping side of the tooling bottom plate (21);The bent plate pressing heads (87) of the first bent plate pressing mechanism (83) and the second bent plate pressing mechanism (84) are aligned with the outer end surface of the limit plate (71); the first bottom plate pressing mechanism (85) and the second bottom plate pressing mechanism (86) are arranged on the bottom plate pressing side of the tooling bottom plate (21); and the bottom plate pressing heads (88) of the first bottom plate pressing mechanism (85) and the second bottom plate pressing mechanism (86) are aligned with the outer end surface of the limit plate (71).

2. A circuit breaker chassis laser welding tool according to claim 1, characterized in that: The end surface clamping heads (89) of the first end surface clamping mechanism (81) and the second end surface clamping mechanism (82), the bent plate clamping heads (87) of the first bent plate clamping mechanism (83) and the second bent plate clamping mechanism (84), and the bottom plate clamping heads (88) of the first bottom plate clamping mechanism (85) and the second bottom plate clamping mechanism (86) are respectively installed in the adjustment grooves (80) of the first end surface clamping mechanism (81) and the second end surface clamping mechanism (82), the first bent plate clamping mechanism (83) and the second bent plate clamping mechanism (84), and the first bottom plate clamping mechanism (85) and the second bottom plate clamping mechanism (86) through a position tension adjustment mechanism (10).

3. A circuit breaker chassis laser welding tool according to claim 2, characterized in that: The adjusting link (101) of the tension adjustment mechanism (10) is arranged in the adjusting groove (80), and a locking gasket (102) is sleeved on the adjusting link (101). The inner side of the locking gasket (102) and the outer end surface of the adjusting groove (80) are arranged to fit each other. Locking components (103) are installed at both ends of the adjusting link (101) on the outer side of the locking gasket (102). The locking component (103) is threadedly connected to the adjusting link (101), and the clamping end of the adjusting link (101) is connected to the end surface clamping head (89), the bent plate clamping head (87) and the bottom plate clamping head (88).

4. A circuit breaker chassis laser welding tool according to any one of claims 1 to 3, characterized in that: The end surface pressing heads (89) of the first end surface pressing mechanism (81) and the second end surface pressing mechanism (82) are arranged to face each other, the bent plate pressing head (87) of the second bent plate pressing mechanism (84) and the bottom plate pressing head (88) of the first bottom plate pressing mechanism (85) are arranged to face each other, the end surface pressing heads (89) of the first end surface pressing mechanism (81) and the second end surface pressing mechanism (82) and the bottom plate pressing heads (88) of the first bottom plate pressing mechanism (85) and the second bottom plate pressing mechanism (86) are rubber pressing heads, and the bent plate pressing heads (87) of the first bent plate pressing mechanism (83) and the second bent plate pressing mechanism (84) are rigid pressing heads.

5. A circuit breaker chassis laser welding tool according to any one of claims 1 to 3, characterized in that: The clamping rod (801) of the plate clamping mechanism (8) is rotatably mounted on the clamping bracket (802) via a rotation locking mechanism; a handle (803) is provided at the operating end of the clamping rod (801); the rotation locking mechanism comprises a rotation connection fulcrum between the clamping rod (801) and the clamping support (804); a rotation fulcrum connecting the clamping support (804) and the clamping bracket (802); the rotation connection fulcrum is arranged above the rotation fulcrum; the clamping rod (801) is connected to the clamping bracket (802) via a rotation locking link (805); the rotation locking link (805) is rotationally connected to the clamping bracket (802) via a connection fulcrum; and the rotation locking link (805) is connected to the clamping rod (801) via a locking fulcrum.

6. The circuit breaker chassis laser welding tool according to claim 1, characterized in that: The combined end surface of the tool fixing plate (53) is provided with a strip-shaped mounting hole (531), the tool fixing plate (53) is aligned with the mounting hole (211) of the tool bottom plate (21) through the strip-shaped mounting hole (531) and connected by a locking bolt, a combined hole (69) is formed in the limiting plate (66), a locking hole (532) is formed on the side of the tool fixing plate (53), the combined hole (69) is aligned with the locking hole (532), the limiting plate (66) is connected to the locking hole (532) through the combined locking component and is installed on one side of the tool fixing plate (53), and the limiting plate (66) rotates synchronously with the tool fixing plate (53).

7. A circuit breaker chassis laser welding tool according to any one of claims 1 or 6, characterized in that: A horizontal limiting slot (671) and a vertical limiting slot (672) are provided on the outer side of the limiting plate (66); the horizontal limiting slot (671) is aligned parallel to the tooling fixing plate (53) and is arranged on the same horizontal plane; a corner limiting slot (673) is provided between the horizontal limiting slot (671) and the vertical limiting slot (672); an insertion end of the positioning slide block (64) is provided with a sliding insertion inclined surface (641) narrowing toward the center; the sliding insertion inclined surface (641) cooperates with a port of the limiting slot (67).

8. The circuit breaker chassis laser welding tool according to claim 1, characterized in that: The rotation regulating mechanism (9) comprises a rotation regulating hand wheel (91) and a rotation reducer (92); the driving shaft of the rotation reducer (92) is connected to the rotation shaft (52) via a connector (93); and the rotation reducer (92) is mounted on a rotation fixing plate (41) of the base bracket (4).

9. The welding method of a circuit breaker chassis laser welding tool according to claim 1, characterized in that: The following steps are involved: 1) Selecting a fixed tool (2) corresponding to the specifications of the circuit breaker chassis to be processed, installing the fixed tool (2) on a tool base (3), and adjusting the processing angle of the fixed tool (2) on the tool base (3); 2) Place and assemble the panels of the circuit breaker chassis on the fixing fixture (2); 3) starting the multi-directional laser welding device (1), wherein the multi-directional laser welding device (1) performs multi-directional laser welding processing on the circuit breaker chassis frame fixed on the fixed tooling (2) according to a preset welding processing path; 4) After the multi-directional laser welding process is completed, the plate clamping mechanism (8) is released and the circuit breaker chassis is removed from the fixed fixture (2) for storage.

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