1118 results about "Assembly systems" patented technology

The invention relates to an automatic assembly system and method for multi-scale digital twin components, and the system comprises a semantic relationship construction module which is used for carrying out explicit definition on the structural features, functional attributes, spatial layout requirements and logic dependency relationships of the multi-scale components, and constructing semantic relationships among the three types of components; the semantic reasoning and constraint engine module is used for carrying out logical reasoning through the semantic relationship constructed by the semantic relationship construction module and judging whether the component combination meets the assembly constraint or not; the assembly generation and configuration module is used for generating an assembly topological structure and a connection sequence of a system shelf according to the component candidate set output by the semantic reasoning and constraint engine module; and the man-machine interaction and visualization module is used for supporting a feedback closed loop between the engineer and the system and providing a visual display interface. The problems that an assembly method depends on artificial experience and is difficult to support high-frequency and multi-scene production line reconstruction are solved, and the method has higher semantic interpretation capacity, automatic combination capacity and context adaptive capacity.

The invention relates to the technical field of automobile energy supply, in particular to a solid hydrogen storage-fuel cell integrated power assembly system based on dual-mode hydrogen supply, which comprises a hydrogen supply path identification module, a hydrogen storage unit state monitoring module, a linkage path switching module, a fuel cell load matching module and a safe hydrogen discharge regulation and control module. According to the method, the hydrogen supply pressure difference value is obtained by dynamically comparing the pressure of the cavity of the hydrogen storage tank with the pressure of the hydrogen inlet of the fuel cell, the current hydrogen supply path state can be accurately recognized in the early stage, rapid judgment of the hydrogen supply mode and accurate control of path switching are achieved, whether the risk of hydrogen supply interruption exists or not can be effectively screened, and the reliability of hydrogen supply is improved. The switching reliability of a hydrogen supply channel is improved through cross comparison of key state signals of a main channel and a standby channel, and instant response and energy consumption optimization of hydrogen discharge safety regulation and control are guaranteed through a linkage feedback mechanism between the hydrogen concentration change rate in unit time and catalytic converter control power.

A stowable tailgate step assembly system comprises a frame with two interconnected frame arms adapted to be mounted longitudinally in a vehicle tailgate. A slide module, releasably latched to the frame, comprises two longitudinal carrier arms which translate in relation to the frame arms, and a step assembly. The step assembly comprises two slide arms which translate in relation to the carrier arms, and a first step and at least one additional step pivotally connected by at least one link rod to facilitate synchronous rotation of the steps. Control means to control rotation of the steps during translation of the carrier arms from a stowed position to an extended position are provided. Deployment means to control rotation of the steps between the extended position and a deployed position are also provided. A lock-out latch rotationally connected to at least one carrier arm engages at least one associated frame arm to prevent translation of the carrier arm in relation to the associated frame arm when the step assembly is in the extended position.

A construction section for supporting a glass panel and configured to be coupled to a building structure. The construction section may comprise a wood mullion, an upper fitting, and a gravity fitting. The wood mullion may comprise an elongate body, a pair of cutouts in the upper and lower ends, and upper and lower pockets. The elongate body may comprise an exterior face, an upper end, and a lower end. The pair of cutouts in the upper and lower ends may be configured to receive at least a portion of the building structure. The upper and lower pockets may comprise a void area within the elongate body adjacent the exterior face. The upper fitting may be configured to support at least a portion of the glass panel. The gravity fitting may be coupled within the lower pocket and configured to support at least a portion of the glass panel.

The application discloses a transfer box for precise positioning long rod, and relates to the technical field of transfer equipment, and aims to solve the technical problems that the existing loading and unloading box can fix the rod body, lacks reinforcement and protection for rod bodies with different length and width sizes, the rod body is easily damaged by bumping and impact during transportation, and the loading and unloading is complicated, and the intelligent degree of the mechanical arm is high, and the application comprises a box body mechanism and a protection mechanism, and the inner wall of the box body mechanism is connected with the protection mechanism. The application can complete the installation of the long rod through simple pushing and pulling steps, and after the installation is completed, the device can automatically adapt to the height of the long rod, so that the collision during transportation hardly affects the position of the long rod, the sliding of the long rod in the device is avoided, the protection effect of the device on the long rod is improved, meanwhile, the simple installation steps reduce the demand for the corresponding equipment when the device is used, and the operation difficulty and cost of the entire assembly system are reduced.

The invention provides a rapid assembly system and method for in-cabin parts of cylindrical products, and the system is characterized in that a mechanical arm is fixedly mounted through a base, the tail end of the mechanical arm is sequentially provided with a six-dimensional force sensor and a tail end execution device, and the tail end execution device is used for grabbing the to-be-assembled parts and carrying the to-be-assembled parts to a mounting position in a cylindrical section along a preset path; the six-dimensional force sensor is used for acquiring contact force and torque on a tail end load and an assembly path so as to judge the state of the assembly path; the assembly platform is used for supporting and flexibly clamping a cylinder section product, the light source equipment and the binocular vision camera form an image acquisition system, and the binocular vision camera is used for acquiring pose and mark point coordinate information of a cylinder section. According to the method, the problems that during existing automatic assembly, multi-batch and multi-state real-time posture positioning is tedious, coaxial assembly of components in a barrel-section-shaped product cabin is difficult to guarantee, and extrusion collision damage is caused in the assembly process are solved, the operation difficulty and risk are reduced, and the system assembly flexibility is improved.

The invention provides an error modeling method and system based on a CCD camera alignment assembly system, and relates to the technical field of high-precision electronic manufacturing assembly, and the method comprises the steps: obtaining internal parameters and external parameters of a CCD camera through calibration, building a camera and mechanical coordinate system conversion relation, and constructing a collaborative calibration error tree; controlling the motion platform to move, synchronously acquiring pose and environment temperature data, decomposing vibration and thermal deformation error components through time-frequency analysis, and superposing the vibration and thermal deformation error components into dynamic errors; extracting a positioning error based on the pose data, and constructing a mechanical-optical coupling error spectrum in combination with the distortion parameters; and finally, fusing the collaborative calibration error tree, the dynamic error and the coupling error atlas to generate a global error atlas, and completing alignment assembly system error modeling based on the CCD camera. According to the invention, the precision and applicability of error modeling are improved.

The present disclosure relates to a deflector for an electric machine, the electric machine comprising a stator, the stator comprising a stator body having an end face in the axial direction of the machine and at least one end winding (4) formed on the end face of the stator body, the fluid director comprises a first fluid director ring body (1), a second fluid director ring body (2) and an annular fluid director part (3) connected with the first fluid director ring body (1) and the second fluid director ring body (2), the fluid director is of a semi-closed structure and is used for at least partially surrounding an end winding (4), and the first fluid director ring body (1) is located on the radial outer side of the second fluid director ring body (2) and surrounds the second fluid director ring body (2). A plurality of flow guide holes (11) are distributed in the circumferential annular face of the first flow guide ring body (1), and at least one opening (31) is formed in the annular flow guide part (3). The disclosure also relates to an electric machine, an electric drive assembly system and a vehicle comprising such a deflector.

The invention discloses a multi-objective reinforcement learning man-machine cooperative assembly task allocation method based on neighborhood parameter migration, and the method comprises the steps: building a mathematical model which aims at minimizing the physiological fatigue accumulated value of a human operator and minimizing the maximum completion time for a multi-objective optimization problem of task allocation in a man-machine cooperative assembly system; a multi-target problem is decomposed into N standard sub-problems by adopting a weighting and decomposition strategy, and training is accelerated through a neighborhood parameter migration strategy; each sub-problem is solved based on a near-end strategy optimization algorithm of an Actor-Critic framework, Gaussian noise is added to an Actor network to simulate environment uncertainty, an action mask mechanism is introduced to process priority constraints of assembly tasks, and it is ensured that a generated task allocation scheme is always feasible. According to the method, the convergence speed and diversity of the Pareto solution set can be remarkably improved, and the assembly efficiency and operator fatigue are effectively balanced.

The invention discloses a detection assembly system and a detection assembly method for a frame bushing, the detection assembly system comprises a press fitting part, a positioning part, a first detection part, a second detection part, a third detection part and a control part, the problem of separation of detection and assembly is solved, the axial rigidity detection of the bushing can be completed in the initial stage of press fitting, and the detection efficiency is improved. Extra detection procedures are not needed, the overall production cycle is greatly shortened, and the method is suitable for the large-batch production rhythm; potential quality hazards caused by sampling detection are eliminated, and abnormal linings are prevented from flowing into subsequent links; the positioning ends of the positioning pieces can be close to or far away from each other, and by combining the supporting design of the guide inclined surfaces, the tool can be adaptive to bushing outer sleeves of different sizes, frequent tool replacement is not needed, and the equipment debugging cost is reduced; while the assembly precision of the bushing is ensured, high efficiency, no damage and full coverage of rigidity detection are realized, the production quality and efficiency of the auxiliary frame are obviously improved, the later rework cost is reduced, and the control performance of the whole vehicle and the stability of NVH (Noise Vibration and Harshness) performance are ensured.

The invention discloses an automatic high-precision assembly system and method based on visual feedback, belongs to the technical field of automatic assembly, and solves the problem that an existing scheme is insufficient in the aspects of automatic integration and actual usability. Comprising an embedded control unit, an XYZ Cartesian sliding table, a limiting sensor, a visual sensor, a visual mark and an upper computer processing unit, the embedded control unit is connected with the upper computer processing unit, and the embedded control unit is used for receiving a control instruction and feeding back state information. The embedded control unit is connected with a motor driver of the XYZ Cartesian sliding table and used for sending a motion control signal, and the embedded control unit is connected with the limiting sensor and used for receiving a switch signal. Working space boundary recognition and automatic calibration of the camera-robot hand-eye relation are achieved, the configuration and deployment process of a visual guidance system on the XYZ sliding table is greatly simplified, the requirement for professional skills of operators is lowered, and deployment efficiency is improved.

The invention discloses a BIM intelligent assembly system applied to node construction, and belongs to the technical field of node construction. The BIM intelligent assembly system comprises the following modules: a node-level BIM parameterized model library; a factory-end intelligent manufacturing module; the field end intelligent assembly module comprises a reusable node sensing layer composed of UWB, IMU and a visual fusion sensing suite; an edge decision-making layer in which a lightweight Transform model is embedded; the shape memory alloy lock pin and the self-locking and self-adjusting execution layer of the piezoelectric micro-displacement sliding table are integrated on the node connecting plate; and a block chain quality file sub-module. The parameterized node group is directly issued to the steel bar hoop bending robot, the sleeve welding robot and the 3D printing mold, the space coordinates of steel bars, sleeves and embedded parts can be locked within the millimeter-level range in the factory stage, and the six-degree-of-freedom postures of the nodes are captured in real time during on-site hoisting; once deviation is found, the edge AI gives out a posture adjusting instruction immediately, and correction is completed through an SMA lock pin and a piezoelectric micro-displacement sliding table.

A method for calibrating a sensor and projector with respect to a work area, the method including positioning a projector to project light indicators at locations in the work area and positioning a sensor with respect to the projector such that the sensor's field of view includes a selected portion of the work area. The sensor captures video or encoded data of activities at the work area. The sensor and projector are aimed at a set of coordinates upon the work area and the associated aim-point coordinates of the sensor and projector are recorded. The sensor and projector are aimed at additional sets of coordinates upon the work area, and the associated aim-point coordinates are recorded until a sufficient quantity of aim-point coordinates have been collected to form a calibration data set sufficient to calibrate the sensor and projector to the work area.

A numerical simulation method for the integrity of cement sheath systems in oil and gas wells under alternating temperature and pressure is characterized by the use of extended finite element method (XFEM), concrete damage plasticity model theory, Cohesive element method, and bilinear traction separation criterion, based on elastoplastic theory and plastic damage theory. This method can simulate not only the failure process of the cement sheath-casing interface under alternating temperature and pressure and characterize the mechanical behavior of interface failure, but also the failure process of the cement sheath itself and characterize its mechanical behavior. By comprehensively analyzing the failure behavior of the cement sheath system integrity in oil and gas wells, this method enables a realistic evaluation, prediction, and diagnosis of the integrity of the casing-cement sheath-casing assembly system under alternating temperature and pressure, which helps optimize cement slurry systems, improve cementing quality, and prevent cement sheath integrity failure. This invention is applicable to the field of oil and gas drilling and production engineering technology.

The invention belongs to the field of hard disk production, and particularly relates to a hard disk assembly system and method.The hard disk assembly system comprises an assembly line, a packaging work station and a finished product work station which are sequentially arranged and further comprises a double-layer backflow conveying line and a hard disk jig arranged on the double-layer backflow conveying line; a clamping mechanical arm, a packaging box supply assembly line and a packaging box positioning jig are arranged on the packaging station, the downstream of the conveying belt is arranged close to the finished product station, and the packaging box positioning jig comprises a packaging box body positioning mechanism and a packaging cover body positioning mechanism; and a feeding mechanical arm and a finished product warehouse are arranged on the finished product station. According to the system, automation of the assembling-packaging process is achieved, an efficient and stable production closed loop without manual intervention is constructed through the automatic jig management function of the double-layer backflow conveying line and the finished product work station, and the system has extremely high application value in large-scale hard disk production.

The invention relates to the technical field of motor assembly, and provides a motor assembly system with a motor shell and cylinder body integrally formed structure, the motor assembly system comprises a turntable mechanism, a conveying mechanism, an assembly mechanism and a mechanical arm, the turntable mechanism is used for temporarily storing a rotor, the conveying mechanism comprises a sliding rail, and a tray is horizontally and slidably connected to the sliding rail; the assembling mechanism comprises an assembling table and a downward pressing assembly which cooperates with the positioning disc and is used for fixing the cylinder body, and an assembling frame is horizontally, linearly and movably connected to the assembling table. The assembly frame is rotationally connected with an installation disc used for positioning, placing and fixing the rotor, the installation disc is provided with a guide sleeve used for installing the rotor in the cylinder body in a guiding and aligning mode, and the mechanical arm is used for transferring the rotor on the rotary disc mechanism to the installation disc. Closed-loop operation of assembly of the cylinder body and the rotor is achieved, the assembly precision and efficiency are improved, and the consistency of product quality is guaranteed.

The invention relates to a display screen assembling device and a display screen assembling system. The device comprises a bending module and a first feeding module, the bending module is provided with a moving assembly capable of moving in the X direction and an adsorption panel capable of moving in the Z direction, and the bending module is used for adsorbing and moving a display assembly; the first feeding module is provided with a first moving platform and a first bearing table and used for bearing a backlight assembly. Through cooperative driving of the moving assembly and the adsorption panel, the flexible circuit board of the display assembly can accurately penetrate through the backlight assembly to complete hole passing. According to the device, automatic alignment and accurate assembly of the display assembly and the backlight assembly are achieved through integrated module design, the technical problem that the flexible circuit board is prone to deflection, clamping stagnation and damage in the perforating process is effectively solved, and the assembly precision, the production efficiency and the product yield are remarkably improved.

An on-site photovoltaic (PV) module assembly system and process may involve customizing assembly of a row of PV modules at the location of a particular solar site. Mounting rails or other mounting structures configured to interface a PV module with a torque tube may be positioned along the torque tube on site to account for physical characteristics and properties of the particular solar site. PV modules may be attached to one or more of the mounting rails by an adhesive. Using the adhesive to attach the PV modules to the mounting rails may increase the flexibility of PV module installation along the torque tube. Use of the adhesive may also decrease the number of fastening components included with the mounting rail and the PV module, such as a structural rail or module rails.

A bearing assembly system for a vehicle steering system includes a tubular member having a radially inwardly protruding shoulder, the tubular member having a stake portion angling radially inwardly, the stake portion having a stake surface. The bearing assembly system also includes a bearing disposed within the tubular member and in contact with the radially inwardly protruding shoulder. The bearing assembly system further includes a retainer disposed within the tubular member and in contact with the bearing, the bearing disposed between the retainer and the radially inwardly protruding shoulder, the retainer having an angled surface, the angled surface in flush contact with the stake surface in a fully assembled condition.

The invention provides a high-precision probe assembly system and method, and the system is characterized in that a probe assembly suspension clamp is fixed on an installation platform, and the probe assembly suspension clamp is used for suspending a probe and controlling the probe to press down and adhere to a suspension structure; the three-axis displacement table is fixed on the mounting platform, the three-axis displacement table is located below the probe assembly suspension clamp, one surface, facing the probe assembly suspension clamp, of the three-axis displacement table is used for fixing a suspension structure, and the three-axis displacement table can move in the horizontal or vertical direction; the visual acquisition module is fixed on the mounting platform and is used for acquiring a relative position image; the three-axis displacement table is used for moving by referring to the relative position image. According to the high-precision probe assembly system and the assembly method, the alignment process of the probe and the central circular surface of the suspension structure is fully automatically realized, the alignment precision is high, and the speed is high; a specially-made probe assembly suspension clamp is matched, the probe is controlled to be vertically pressed downwards, and finally accurate bonding assembly of the probe and the suspension structure is achieved.

The invention discloses a dual-motor power assembly system and a vehicle, the dual-motor power assembly system is used for driving wheels to rotate, and the dual-motor power assembly system comprises a first motor and a second motor; the two transmission mechanisms are in power connection with the output shaft end of the first motor and the second output end of the second motor respectively, and each transmission mechanism is provided with an output shaft end; the output end of the planetary gear mechanism is in power connection with a wheel half shaft and is selectively in power connection with the output shaft end; and the differential lock device selectively enables the output shaft ends of the two sets of transmission mechanisms to be in power connection. Therefore, multiple power output modes can be achieved to drive the wheels to rotate, the power output mode of the dual-motor power assembly system is matched with the working condition of the vehicle, the reliability of the vehicle in the advancing process can be improved, and the cross-country escape performance of the whole vehicle can be improved.

The invention discloses a large and small model collaborative robot autonomous assembly method and system, and belongs to the field of advanced manufacturing technology intellectualization. The problems that traditional robot assembly depends on manual programming, adaptability is poor, and an algorithm cannot be optimized autonomously are solved. The method comprises the following steps: receiving an assembly project request submitted by a user in a natural language; the request is decoupled into a structured action primitive through an arrangement agent, and tasks are allocated; an algorithm design agent retrieves and adapts an algorithm from an open source library based on the action primitive, and completes training in a sandbox environment; the verification agent is responsible for automatic data acquisition and labeling, and carrying out overall performance test and iterative optimization on an integrated algorithm in a simulation environment; and finally generating an executable field control script. According to the method, the problems of algorithm autonomous design, simulation verification and closed-loop optimization when the robot faces a complex assembly task are solved, the development threshold and the deployment risk are reduced, and the intelligent level and the flexible adaptive capacity of an assembly system are remarkably improved.

The present technology relates to an automatically locking, releasable, safety knob assembly for a stove. The assembly includes a base with a locking notch. An adapter mates with the stove's valve stem and has a head, a tubular middle section, and an adapter base with a central aperture for receiving the valve stem. The knob includes a housing with a housing disk covering the base, an arm movement channel aligned with the locking notch in the locked configuration, and a central aperture for receiving the adapter head. The assembly further includes a sub-assembly with a slidable button allowing free rotation of the knob in the unlocked configuration, an automatic locking arm biased with the slidable button, and engagement with the button causing the arm to disengage from the locking notch and move in the arm movement channel, enabling the knob to freely rotate and rotate the valve stem.

The invention relates to the field of micro-optical electro-mechanical systems, in particular to an optical integrated displacement sensing element alignment assembly system and method, and the system comprises a base, a three-dimensional moving platform, a z-axis micro vibration table, an optical path module table and a sensitive layer clamping mechanism. A y-axis moving table, an x-axis moving table, an xy-plane rotating table and a z-axis moving table are sequentially arranged on the base to form a three-dimensional moving platform; the z-axis micro-vibration table is installed on the z-axis moving table and generates simple harmonic vibration. The optical path module table is fixed on the micro-vibration table and is used for bearing an optical path module; and the sensitive layer clamping mechanism comprises at least two groups of longitudinal moving frames, transverse moving frames and clamping claws which are symmetrically distributed relative to the normal central axis of the three-dimensional moving platform, and is used for carrying out central symmetry clamping on the sensitive layer in the circumferential direction. Through combination of three-dimensional coarse positioning and micro-vibration dynamic excitation, high-precision alignment assembly of the optical path module and the sensitive layer is realized, and the technical problems that a micro-nano optical element is low in alignment precision and easy to damage are solved.

The invention discloses a cooperative control method and system for a man-machine cooperative assembly robot based on digital twinning. According to the method, firstly, a digital twinborn simulation environment is constructed in a Unity engine, and mapping of a physical cooperation assembly scene and a virtual scene is achieved; personnel actions and assembled workpiece states are collected in real time through a multi-modal sensing technology, and virtual-real mapping is introduced to realize intention recognition. And then based on a reinforcement learning algorithm, performing path planning on the collaborative robot in a digital twin environment to generate an optimal collaborative path sequence. And finally, mapping the planned path to a real robot control instruction through coordinate transformation and an inverse kinematics algorithm, and dynamically optimizing a motion track by adopting an online self-adaptive strategy. Through the combination of digital twinning and reinforcement learning, the intelligent and flexible scheduling capability of a man-machine cooperation assembly system is improved, the rapid adaptability and assembly precision of the system to unstructured changes are enhanced, and the problems that task programming is tedious and the adaptability is poor in a traditional method are solved.

The embodiment of the invention provides a gearbox middle shell six-axis assembly system. The gearbox middle shell six-axis assembly system comprises a truss; the shafting in-box clamp remodeling table is mounted on the truss and is used for replacing a clamp so as to adapt to the assembly requirements of different products; the middle shell placing table is arranged in the middle of the truss and used for placing a middle shell to be assembled; the shafting grabbing and boxing device is movably connected to the truss and used for grabbing and placing the shafting to a designated position; the rotary table is located on one side of the truss and used for providing a feeding and transferring position of the shafting; and the shafting in-box tray is mounted on the other side of the truss and is used for adjusting and fixing the shafting to the assembly position of the corresponding product. Manual installation is replaced by mechanism automatic assembly, the working efficiency is high, a product assembly line is achieved through a rotary table, batch assembly can be achieved, multiple working procedures can be carried out at the same time, each shafting of the shafting boxing tray can be adjusted to the position corresponding to different products, compatibility is high, and meanwhile the assembly range is wide.

Systems and methods for assembling and introducing cartridges containing remediating component(s) into packaged beverages are provided herein. In particular, an assembly system for filling and capping cartridges for introduction into beverage containers during a packaging process is provided herein. The assembly system may include a cartridge chute configured to receive and direct cartridges as they advance through the assembly system. The assembly system may include a filler-capper assembly having a filler assembly and capping assembly. The filler assembly includes at least one nozzle positioned to inject remediating components into an inner chamber of the cartridge. The capping assembly may include a sealing element configured to seat the cap onto the cartridge body after filling and may include a tamper to apply pressure and seal the cartridge. The assembly system may include a retaining member and transfer element operating coordinately to transfer sealed cartridges out of the assembly system.

The utility model belongs to the technical field of automation equipment, and discloses a feeding device of an automatic assembly system. Comprising a discharging conveying belt, a transfer module used for positioning materials, a feeding conveying belt arranged below the discharging conveying belt, a tray positioning assembly arranged at the feeding end of the discharging conveying belt, and a mechanical arm used for placing the materials at the tray positioning assembly to the transfer module. The bearing component is arranged between the discharging end of the feeding conveying belt and the tray positioning assembly in a lifting manner; the tray positioning assembly comprises two supporting telescopic components which are arranged at an interval; the supporting telescopic component is provided with a supporting part for supporting the tray; when the interval between the two supporting parts is a first interval, the bearing component is used for lifting a stack of trays at the discharging end of the feeding conveying belt and enabling the supporting parts to be located between the skirt edges of the two uppermost trays of the stack of trays; and when the interval between the two supporting parts is a second interval, the supporting part is used for driving the stack of trays to descend, so that the skirt edge of the uppermost tray is supported on the supporting parts.

The invention relates to the technical field of stop valve assembly, in particular to an automatic assembly system of a stop valve and a working method of the automatic assembly system, and the system comprises a workbench, and a first feeding device, a second feeding device and a pressing device which are arranged on the workbench. During working, the pressing device rotates through the first linkage piece to drive the push rod to horizontally push the side flow pipe to the position of the mounting hole, and the vertical sliding piece is linked to jack the passive pin to trigger the pressure cone to perform downward pressing action, so that the side flow pipe is pressed into the main flow pipe. Then, when the welding device transfers the assembly to the rotating seat through the clamping cylinder, the second linkage piece converts the horizontal displacement of the movable seat into the vertical movement of the lifting seat, so that the side flow pipe located on the rotating seat is automatically pressed and fixed by the positioning cone of the lifting seat, and then the rotating seat drives the assembly to rotate; and the seam girth welding of the main flow pipe and the side flow pipe is completed by cooperating with a welding gun. According to the whole system, the production efficiency is effectively improved by achieving full-process automation of pipe fitting feeding, pipe fitting assembling and pre-fixing and welding forming.

A pet toy ball system that includes first and second ball assemblies that are configured to be or are wirelessly connected to one another. The first ball assembly is configured to perform a first movement action or first pet attention action during a first predetermined period of time, and the second ball assembly is configured to perform a second movement action or second pet attention action during a second predetermined period of time.