476results about How to "Improve welding efficiency" patented technology

The invention provides a pipeline welding real-time feedback control method and system based on machine vision. According to the method, multi-modal data such as a three-dimensional point cloud, a temperature field and a welding seam image are synchronously collected, and key characteristics such as a pose deviation gradient, a cooling rate curve and a welding seam size sequence are extracted after time sequence alignment, filtering and correction fusion. And a CNN and LSTM mixed adaptive deep learning model is utilized to analyze the welding quality state in real time, and sub-optimal parameters are dynamically optimized based on a reinforcement learning strategy, or a three-level response mechanism including heat reduction input, expert knowledge base matching and precise repair is triggered to process defect early warning. The system has an incremental learning capability and can be self-optimized along with a control period. The full-flow intelligent monitoring, real-time feedback and self-adaptive accurate control of the welding process are achieved, and the welding quality and the automation level are remarkably improved.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model discloses a kind of welding tool of shell class parts top opening, the utility model relates to the technical field of shell class parts top opening welding, and the front end surface of fixed seat is fixed with support strip block;The top surface of two locating blocks is fixed with guide rod, the top of two guide rods is fixed with baffle, the top of two guide rods is slidably equipped with the float plate of liftable, spring is equipped on the two guide rods, and the upper and lower ends of spring are respectively fixed on baffle and float plate;The insert in float plate is fixed with being located in the just above support strip block;The top surface of concave piece left and right end is fixed with horizontal cylinder, and the acting end of two horizontal cylinder piston rods is fixed with side push block.The utility model has the beneficial effects that: improve the welding quality of shell class parts, greatly improve the welding efficiency of shell class parts.

This utility model provides an auxiliary device for welding automotive parts, belonging to the field of welding auxiliary devices; it includes: a support base, two sets of transport structures mounted on the upper wall of the support base, angle adjustment structures mounted on the upper walls of the two sets of transport structures, material fixing structures mounted on the upper walls of the two sets of angle adjustment structures, and two sets of angle fixing structures mounted on the upper walls of the transport structures; the two sets of transport structures include: a transport screw, a transport guide rod, and a transport platform; the transport screw is mounted on the upper wall of the support base through a support frame, and the transport screw and the support frame are connected by bearings; this utility model, through the angle adjustment structure and fixing structure, can assist in welding two iron automotive flat parts, allowing two iron automotive flat parts with an included angle of less than 180 degrees to be fixed at the designed angle, facilitating the operator to weld the joint of the two parts, thereby improving welding efficiency.

The application discloses a welding method for improving low-temperature impact toughness of thick plates in a stress relief heat treatment state, which comprises the following steps: processing a groove; symmetrically processing an X-shaped groove on a welding section of a thick steel plate to be welded, wherein the X-shaped groove comprises a central flat part and two inclined parts symmetrically arranged on both sides of the central flat part in a thickness direction; pre-welding; controlling an assembly gap of the tailor-welded thick steel plate to be zero, and adopting tungsten argon arc welding to pre-weld a welding bead on both sides of the groove root of the upper and lower surfaces of the thick steel plate; and welding; adopting submerged-arc welding to weld and fill the groove on both sides of the upper and lower surfaces of the thick steel plate containing the pre-welding bead. The welding method for improving low-temperature impact toughness of thick plates in a stress relief heat treatment state can effectively improve the low-temperature impact toughness of the weld.

This invention discloses an automatic welding machine, comprising a first welding station, a second welding station, and a transfer mechanism. The first welding station includes a first support and positioning component and a resistance welding machine. The first support and positioning component is provided with a first electrode, and the first electrode is provided with a movable connection structure for movably connecting a pre-welding mounting plate. The resistance welding machine includes a second electrode, which cooperates with the first electrode to weld the mounting plate to the inner wall of the first end of the side plate. The second welding station includes a second support and positioning component and a laser welding machine, used to weld the top end of the second outward flange to the first end of the first outward flange. This automatic welding machine can realize the automatic welding of beam frames, which is beneficial to improving welding quality and welding efficiency, and reducing labor intensity.

This invention discloses a pipeline gas supply device, a pipeline gas filling method, and a pipeline welding method, relating to the field of welding tool technology. The pipeline gas supply device includes a gas supply pipe, which comprises a hollow gas supply pipe body and a sealing plate located at one end of the gas supply pipe body, with the other end of the gas supply pipe being the gas supply end; a sealing sleeve fitted around the outer circumference of the gas supply pipe; two fixing washers, located at opposite ends of the sealing sleeve; a pushing component located at the gas supply end of the gas supply pipe; and an expansion / contraction component. The pushing component moves towards the sealing plate end of the gas supply pipe, causing the expansion / contraction component to be squeezed by the fixing washers and the sealing plate or the pushing component, achieving a pipeline sealing effect. This device limits the gas filling range of the protective gas to between the two expansion / contraction washers, greatly reducing the amount of gas used for welding, preventing free discharge of the protective gas, enabling quantitative use of the protective gas, and reducing waste. It is applicable to the gas filling of welded bends, long pipes, and irregularly shaped pipelines.

This invention relates to the field of welding fixtures for busbar trunking production, and particularly to a welding fixture for busbar trunking production. The fixture includes a base, a fixed column fixedly connected to the base, a top seat fixedly connected to the top of the fixed column, a welding fixture mechanism rotatably connected to the top seat, a rotating seat rotatably connected to the outer wall of the bottom end of the fixed column, multiple placement frames fixedly connected to the rotating seat, an automatic feeding mechanism rotatably connected to the placement frames, and a movable limiting plate rotatably connected to one side of each placement frame. By setting a bending frame adapted to the shape of the bent busbar trunking, and simultaneously setting rotatable rotating rods at multiple positions on the bending frame, the rotating rods drive the abutment wheel to abut against the inner wall of the bent busbar trunking when rotated, thereby achieving clamping of the bent busbar trunking. This avoids the loosening or deformation problems caused by the unsuitable clamping method of traditional fixtures, thus improving the stability during the welding process.

The application discloses a laser vision real-time weld seam tracking method based on a lightweight target detection network, and the method comprises the following steps: before welding, an industrial camera collects an initial weld seam image and transmits the initial weld seam image to an embedded industrial computer, pixel coordinate values of initial weld seam feature points are acquired, and a starting position of the weld seam is obtained; a lightweight target neural network is constructed; during welding, the industrial camera continuously collects weld seam images and sends the weld seam images to the embedded industrial computer, pixel coordinate values of weld seam feature points in the weld seam images are extracted by using the lightweight target neural network; a welding position to be reached by a robot is obtained through the pixel coordinate values of the weld seam feature points; a difference between the welding position of the robot and a current position of the robot is calculated, and a deviation value is sent to a control cabinet, so that the welding gun of the robot is controlled to automatically track and move along the weld seam. The weld seam image is detected by using the lightweight target neural network, and the problem that the real-time rate of the existing weld seam tracking method is not high on a resource-limited device is solved.

The utility model discloses a welding device for diamond blade production, which comprises a case, a first sliding seat connected to the case, a second sliding seat connected to the first sliding seat, a base plate fixed on the second sliding seat, a first positioning column connected to the center of the base plate, and an external spline arranged on the periphery of the first positioning column. A plurality of positioning mechanisms which are circumferentially distributed are arranged on the periphery of the chassis; a machine frame is connected to the machine box, a box body is connected to the machine frame through a lifting mechanism, a rotating column is rotationally connected to the bottom face of the box body, a driving mechanism for driving the rotating column to rotate is arranged in the box body, a U-shaped base is connected to the lower end of the rotating column, a second positioning column is connected to the bottom face of one end of the U-shaped base, and the circle center of the second positioning column is aligned with the circle center of the rotating column. A mounting frame is connected to the U-shaped base through a second left-right displacement mechanism, and a welding gun is mounted on the mounting frame. The rotating column is driven to rotate to drive the U-shaped base to rotate, so that the welding gun rotates with the second positioning column as the circle center, diamond cutter teeth are welded to a blade one by one, and the welding efficiency is greatly improved.

The utility model relates to the technical field of laser welding, in particular to a laser welding tool which comprises a base and a base installed in the center of the base, overturning air cylinders are installed on the two sides of the base respectively, the rotating ends of the overturning air cylinders are connected with storage assemblies, abutting assemblies are fixed to the two ends of the base respectively, and the abutting assemblies are connected with the base respectively. A storage assembly is arranged on the base, an abutting assembly is arranged on the storage assembly, a weldment abutting against the abutting assembly is arranged in the storage assembly, the weldment comprises two circular ring pieces provided with circular holes, a pre-positioning piece used for positioning and assembling is installed between the two circular ring pieces through the circular holes, and laser welding assemblies are installed on the two sides of the top of the base. A worker carries out alternate welding work on the two stations, the purpose of alternate continuous welding work is achieved, and the welding efficiency is effectively improved.

The utility model discloses a kind of auxiliary tool convenient for pipe welding, it is related to pipeline welding technical field, specifically a kind of auxiliary tool convenient for pipe welding, including mobile support, top plate and roller stand, the mobile support is provided with two groups, and is dynamically connected with adjusting mechanism on mobile support, the bottom of top plate is equipped with universal wheel, roller stand is installed on the surface of mobile support, one side of roller is provided with start-stop mechanism, and one end of sliding seat is detachably connected with support clamping seat. The auxiliary tool convenient for pipe welding, by adopting the setting of support clamping seat and level, the effect of quick and accurate butt joint is realized, the welding efficiency is improved, by the detachable setting of adjusting mechanism and connecting sleeve and sliding seat, the purpose of improving the applicability of the device is achieved, by the setting of start-stop mechanism, the roller can be frictionally fixed during use, prevent the pipe box from rotating during welding, improve the welding quality.

The utility model belongs to the technical field of pipeline welding, and particularly relates to a pipeline butt joint auxiliary device for water supply pipeline welding operation, which comprises a base, guide rods and a middle limit seat, the guide rods are symmetrically arranged on the base in the middle of the middle limit seat, and the guide rods penetrate through the middle limit seat. A guide rod is installed on the base, welding moving frames are slidably arranged at the two ends of the guide rod, clamping jaws are slidably arranged on the surfaces of the welding moving frames, adjusting lead screws are rotatably arranged in inner cavities of the welding moving frames, a servo driving motor is installed at the end of the base, and the power output end of the servo driving motor is in transmission connection with a driving screw shaft. The welding pipeline and the connecting pipe head can be controlled to get close to each other and get away from each other, the welding pipeline and the connecting pipe head can be rapidly welded by being matched with a fuse machine, the welding efficiency of the pipeline can be improved, meanwhile, the welding pipeline moves in the horizontal direction, the welding difficulty can be reduced, and the welding precision of the pipeline can be improved.

This invention provides an auxiliary tooling for flipping circuit board welding, including a support assembly. A flipping assembly is mounted on top of the support assembly. The flipping assembly includes a pneumatic telescopic rod, a support plate, a servo motor, a connecting plate, a stepper motor, a groove, a bidirectional threaded rod, and a clamping plate. The support plate is fixedly connected to the top of the pneumatic telescopic rod, and a servo motor is mounted on one side of the support plate. This invention uses the servo motor to drive the connecting plate to rotate, causing the circuit board to flip, facilitating welding operations on the other side of the circuit board. This eliminates the need for manual flipping of the circuit board, improving welding efficiency and quality, and reducing the risk of circuit board contamination. The stepper motor drives the bidirectional threaded rod to rotate, and the threaded engagement causes the clamping plate to clamp the circuit board, preventing displacement of the circuit board during the flipping process, thus meeting the needs of automated, high-precision welding production.

The invention provides an auxiliary welding device and a welding method. The auxiliary welding device comprises a support. The bracket includes: a first rod extending in a first direction; the second rod extends in the second direction, is arranged on the first rod and is provided with a first clamping part; the first clamping part is used for being clamped with a first position of a supporting rod of the rotating brake; the first direction is perpendicular to the second direction; the rotating brake comprises a main rod and a plurality of supporting rods connected with the main rod; the first guide piece is provided with a second clamping part; the second clamping part is used for being clamped with a second position of the supporting rod of the rotating brake, so that the first clamping part and the second clamping part are arranged at intervals in the first direction, and the supporting rod is fixed in the first direction; and the second guide piece is used for being clamped with the main rod of the rotating brake, so that the length direction of the connecting hole of the main rod is the same as the first direction, and one end of the supporting rod can be located in the connecting hole of the main rod in the length direction. According to the welding auxiliary device, the welding machining convenience of the welding auxiliary device on the main rod and the supporting rod of the full-height rotating brake can be improved.

The utility model relates to a large galvanized corrugated plate welding device and method, belongs to the field of welding. The large galvanized corrugated plate welding device includes a welding system and a positioning system arranged on a track, the positioning system includes an upper pressing block, a lower pressing block in conformal cooperation with the corrugated plate and a follow-up pressing wheel connected with the welding system, the upper pressing block and the lower pressing block provide clamping and limiting for the corrugated plate and provide a welding work area on one side, and the follow-up pressing wheel provides pressure for the upper pressing block and moves along the track following the welding system. The device can keep accurate limiting for the corrugated plate during the welding process, prevent thermal deformation and misplacement, reduce spatter, improve the welding quality and improve the automation level of large corrugated plate welding.

The utility model relates to multi -core band line plug technical field especially for a kind of multi -core band line plug welding positioning table, including mounting plate, the top of mounting plate is fixedly installed with positioning structure, the top of mounting plate is fixedly installed with control console;Through positioning structure, when welding plug and circuit, by hoop ring is turned on, plug is placed into hoop ring interior, it is fixed by two fixed pins, different size plug can be fixed by the setting of spring, subsequently required welding circuit is passed from threading hole, at this time preparation work is completed, when welding, first push one of circuit in threading hole, make it with plug welding point contact, subsequently welding is carried out by welding torch, after welding is completed, simultaneously rotating hoop ring and runner can make next group circuit and welding point move to the uppermost, thereby reach the purpose that it is convenient to position plug, circuit, convenient operation, improve the welding efficiency of device.

The present application relates to the technical field of gas tank welding, and particularly relates to a tool for facilitating the positioning of a switch cabinet gas tank during welding, comprising reinforcing ribs fixed to the panels of the switch cabinet gas tank; the reinforcing ribs are detachably connected with fixing clamps; the fixing clamps comprise driving mechanisms and passive mechanisms; one end of the driving mechanism is detachably connected with the reinforcing rib, and the other end of the driving mechanism is provided with a driving connection part; one end of the passive mechanism is detachably connected with the reinforcing rib, and the other end of the passive mechanism is provided with a passive connection part. The present application can solve the problem of wasted labor caused by the need to polish the studs used to fix and turn the gas tank in the prior art, improve the welding efficiency, and reduce the working intensity of the operators.

The utility model relates to mechanical manufacturing field discloses a kind of welding tooling intermediate connecting piece positioning device, including workbench, the top of the workbench is fixedly connected with slide rail, the outer wall of the slide rail is slidably connected with support, the top of the workbench is fixedly connected with fixed plate, the top of the workbench is placed with main body, the inner wall of the main body is provided with connecting piece, the right side wall of the support is fixedly connected with moving rod, the inner wall of the moving rod is provided with movable mechanism, the top of the workbench is provided with limit component, and the movable mechanism includes top block.In the utility model, the bracket is moved by electric control slide rail drive, the cooperation of long rod and extrusion groove is utilized, and the linkage of top block and movable spring is utilized, the automatic positioning of connecting piece on main body is realized, the cumbersome operation of manual welding after lifting by tool is replaced by artificial, labor intensity is reduced, and welding efficiency is improved.

The utility model relates to printing roller welding driving rotating equipment, and belongs to the technical field of printing rollers, the printing roller welding driving rotating equipment comprises a placing table, opening grooves are formed in the left side and the right side of the upper end of the placing table, a pair of first hydraulic push rods located in the opening grooves are arranged on the bottom wall of the placing table, and loading plates located in the opening grooves are arranged at the push rod positions of the first hydraulic push rods; a directional sliding groove is formed in the upper end of the loading plate, a pair of moving bases are arranged in the directional sliding groove in a sliding mode, idler wheels are arranged on the opposite faces of the moving bases, and a driving assembly for driving the moving bases to move oppositely and reversely is arranged on the loading plate. According to the printing roller welding driving rotation equipment, the clamping assembly arranged in a matched mode is used for clamping and fixing the shaft head, it is guaranteed that after the shaft head is fixed, the printing roller is driven by the driving motor to rotate on the rolling wheel, and compared with the prior art, automatic clamping and driving rotation of the printing roller are achieved, welding is assisted, and the welding efficiency is improved.

The application discloses a kind of automobile sheet metal welding equipment, including laser welding device, angle adjusting platform, at least one fixed clamping mechanism and turnover clamping mechanism;Fixed clamping mechanism and turnover clamping mechanism are used to clamp the sheet metal of different positions to be welded, and fixed clamping mechanism and turnover clamping mechanism are formed in the upper of sheet metal Avoidance area, laser welding device is suitable for translation along avoidance area to perform the welding of sheet metal;Angle adjusting platform is used to adjust the welding direction of sheet metal, and turnover clamping mechanism is used to turn over sheet metal.The beneficial effects of the application are: by setting angle adjusting platform, the position of sheet metal is adjusted in real time, so that the welding position of sheet metal can always be kept perpendicular to laser welding device, so as to improve the welding quality of sheet metal.At the same time, the turnover of sheet metal can be completed without re-clamping by turnover clamping mechanism, so as to improve welding efficiency.

This application relates to the field of battery production equipment technology, and in particular to a battery spot welding machine, including a battery feeding assembly, a battery pack transport assembly, a battery pack gripping assembly, an electrode sheet transport assembly, and a spot welding assembly. The battery feeding assembly includes a battery box, a battery turntable, and a turntable motor. The bottom of the battery box is open, and the inner wall of the battery box is inclined towards the opening with a material dropping slope. The battery turntable is located at the opening of the battery box and is adapted to the size of the opening. The battery turntable has several battery slots. The turntable motor is located below the battery box. Batteries to be processed are piled in the battery box and roll down along the material dropping slope under the influence of gravity, thereby embedding into the battery slots on the battery turntable. The turntable motor drives the battery turntable to rotate, carrying the batteries and sending them to the next process. This application has the feature of increasing the battery yield.

The utility model relates to the field of metal part machining, in particular to a welding device for laser metal part machining. Comprising a box body, a box door, a welding mechanism, a transmission rod, a driving mechanism, a driving gear and the like, a box door is arranged on the box body, a welding mechanism is arranged on the top of the inner side of the box body, a transmission rod is rotatably arranged in the box body, a driving mechanism used for rotating the transmission rod is arranged in the box body, two driving gears are slidably arranged on the transmission rod, the transmission rod can drive the two driving gears to rotate, and air cylinders are arranged on the two sides in the box body. Pistons of the two air cylinders are connected with the two connecting frames respectively. The driving mechanism drives the transmission rod to rotate, so that the metal part is turned over, the welding mechanism can weld the metal part at different angles, a metal plate does not need to be repeatedly disassembled and fixed, and the welding efficiency is improved.

The utility model belongs to laser welding technical field especially relates to a kind of laser welding tool, including base, two groups of limiting mechanisms are correspondingly equipped in the both sides of base, and accommodating gap exists between two groups of limiting mechanisms, and driving mechanism for driving two groups of limiting mechanisms to be close to each other and away from each other is equipped on base;The limiting mechanism includes limiting frame and compression member, the lifting plate of being equipped with liftable is set up on the limiting frame, the side of the lifting plate towards accommodating gap is equipped with inclined surface part, the other side is equipped with the sliding portion of the sliding cooperation with limiting frame side wall, the guiding wheel of being horizontally rotatable is equipped below the lifting plate.The laser welding tool can be applicable to the laser welding operation of strip plate piece, and can always stably limit the end of plate piece and the good limiting effect of the place of adhering welding during plate piece welding process, and it is favorable to improve the welding quality and welding efficiency of plate piece.

This utility model discloses a welding fixture with angle fine-tuning function, belonging to the field of welding tooling technology. It includes a fixture body, positioning connectors, a synchronizing screw, and an adjusting nut. The fixture body has a dial wheel shaft tube inside, and the synchronizing screw is inserted into the dial wheel shaft tube and coaxially connected to it. An adjusting nut is fitted onto the synchronizing screw, and a pair of positioning connectors are symmetrically arranged on both sides of the adjusting nut. The positioning connectors are used to fix the square tube, and the adjusting nut is adapted to slide within a straight groove. A straight groove and a hinge hole for hinged connection with the adjusting nut are provided at the tail end of each positioning connector. In use, when the dial wheel shaft tube is manually rotated, the synchronizing screws at both ends of the dial wheel shaft tube rotate coaxially, driving the two adjusting nuts to move towards each other. This, in turn, changes the angle of the two adjacent positioning connectors, thereby adjusting the welding angle of two different square tubes.

The utility model relates to steel pipe welding technical field, and disclose steel pipe welding auxiliary fixing tool, including bottom plate, the side of bottom plate is equipped with the adjustable adjusting plate of bottom plate length direction position, adjusting plate moves through the positioning mechanism restriction adjusting plate, the upper surface fixed connection of bottom plate has the positioning plate for positioning steel pipe position, the upper surface fixed connection of adjusting plate has first fixed plate and extension board, the side of positioning plate and first fixed plate all fixed connection has the compact mechanism for with fixed steel pipe, one side of extension board is equipped with the vertical fixing mechanism for with fixed vertical direction's steel pipe, the utility model provides steel pipe welding auxiliary fixing tool, through the cooperation setting of positioning plate, first fixed plate and compact mechanism, when welding to two section steel pipes, can be more convenient to the positioning and fixed of two section steel pipes, reduce the shaking of steel pipe in the welding process, improve the welding efficiency of steel pipe.

The present application relates to the technical field of battery production, and provides a welding method and system for battery production process, comprising: obtaining the planar coordinates of each cell pole of a battery pack to be welded to form a first planar coordinate set; obtaining a preset position, controlling the movement of the battery pack and limiting it at the preset position; based on the spatial position relationship between the preset position and the welding device, converting the first planar coordinate set into a second coordinate set in the coordinate system of the welding device; sequentially selecting target welding point coordinates in the second coordinate set; for the current target welding point, controlling the welding device to move above the current target welding point; obtaining the height coordinate of the current target welding point; controlling the movement of the welding device and contacting the target welding point to perform corresponding welding operation until the welding of all target welding points is completed. Only the coordinates of multiple cell poles need to be obtained once, and there is no need to calculate the target coordinates of the next welding point after the welding of one welding point is completed, thereby improving the welding efficiency.

This utility model discloses a welding fixture for a child seat bracket, characterized by: a fixture base and a fixture bottom plate, the fixture bottom plate being horizontally disposed on the top surface of the fixture base; the fixture bottom plate being provided with a lower fixed bracket welding station and a lower fixed wire welding station; the lower fixed bracket welding station including a first horizontal tube support seat, a second horizontal tube support seat, and a bracket positioning seat, the first and second horizontal tube support seats having a first toothed washer positioning part; the lower fixed wire welding station including a third horizontal tube support seat, a fourth horizontal tube support seat, and a wire positioning seat. The advantages of this utility model include: a simple fixture structure, high positioning accuracy, and the ability to simultaneously clamp and position various components of the child seat bracket, welding multiple parts at once, saving processes and improving welding efficiency.

The utility model relates to the technical field of optical device welding, in particular to a BOSA optical device laser welding device which comprises a bottom plate, a welding mechanism arranged above the bottom plate and a clamping mechanism used for clamping and positioning an optical device, the clamping mechanism is located below the welding mechanism, and the clamping mechanism comprises a clamping structure and a moving structure. And a rotating structure for switching the welding position of the optical device is arranged above the rear sliding seat. The welding device has the beneficial effects that when the optical device is welded, the clamping mechanism is used for clamping and positioning the optical device, then the welding mechanism is used for welding the receiving end of the optical device, then the rotating structure is used for rapidly rotating the transmitting end of the optical device to a welding area, and then the welding mechanism is used for welding the transmitting end of the optical device; therefore, the tedious operation of repeatedly clamping and fixing the optical device is reduced, the transmitting end and the receiving end of the optical device are rapidly switched, the welding time is shortened, and the welding efficiency is improved.