31results about How to "Stable and reliable turning" patented technology

An induction heating apparatus is provided with a control circuit 5 which comprises a resonance waveform detector 6 for detecting a high frequency AC waveform supplied from an inverter circuit 3 to a heating coil 4 to produce a detection signal DS₁ corresponding to high frequency AC power waveform; a phase comparator 8 for producing an adjusting signal PH corresponding to a phase difference between detection signal DS₁ from resonance waveform detector 6 and drive signal D₁ from drive circuit 7; and an addition circuit 13 for superimposing the drive signal D₁ from drive circuit 7 on detection signal DS₁ from resonance waveform detector 6 to supply the superimposed signal to phase comparator 8. Even though power source 60 generates the output of lowered voltage level, at least a part of the superimposed signal of detection signal DS₁ and drive signal D₁ can be maintained on a level same as or over operation threshold value V_TH for phase comparator 8, while keeping normal operation of phase comparator 8. Thus, in detecting resonance current flowing through inverter circuit 3 in the apparatus to control oscillation frequency of drive signals to IGBTs 11 and 12, the induction heating apparatus can always stably turn IGBTs 11 and 12 of inverter circuit 3 on and off even with lowered resonance current through inverter circuit 3.

The invention relates to a screen pull-out overturning structure. The screen pull-out overturning structure comprises a bracket, a translation mechanism and a display screen mounting overturning rack hung on the translation mechanism, wherein the left and the right sides of the bracket are both provided with a linear bearing seat, a fixed plate, telescopic sliding rods and horizontal connecting pieces; the linear bearing seat and the fixed plate are respectively arranged on the bracket; one end of each horizontal connecting piece is horizontally inserted in the linear bearing seat; the lower end of each telescopic sliding rod is hinged to the fixed plate; the left and the right sides of the translation mechanism are respectively hinged to the upper ends of the telescopic sliding rods positioned on the left and the right sides of the bracket; and the left and the right sides of the translation mechanism are further fixed at the other ends of the horizontal connecting pieces positioned on the left and the right sides of the bracket. The telescopic sliding rods on both sides of the bracket are pulled out synchronously, the display screen mounting overturning rack is horizontally pulled out through the limitation of the linear bearing seat and the horizontal connecting pieces, and the matching relationship among components is simple and reliable, so that a display screen arranged on the display screen mounting overturning rack is reliably pulled out and overturned.

The invention provides an economical and practical welding jig overturning method. The welding jig overturning method includes the step of conducting staging control over the rotating speed of a jig main shaft for driving a jig to be overturned to achieve overturning of the welding jig, wherein the staging control over the rotating speed of the jig main shaft for driving the jig to be overturned is characterized in that a combination of a pneumatic system and a hydraulic system is adopted to achieve the staging control over the rotating speed of the jig main shaft for driving the jig to be overturned. By means of the welding jig overturning method, the using cost of robot automation welding can be effectively reduced, the welding quality can be improved, and the welding jig overturning method is of great significance on popularizing robot automation welding. The invention further provides a welding jig overturning device, and the welding jig overturning device comprises a connecting mechanism and a driving mechanism for driving the connecting mechanism to further drive the jig to be overturned; the driving mechanism is composed of the hydraulic system and the pneumatic system in a connected mode. By means of the welding jig overturning device, the jig overturning accuracy is improved; meanwhile, the welding jig overturning device has the advantages of being simple in structure, convenient to operate and the like; the welding effectiveness and the welding accuracy of the jig can be guaranteed.

The invention discloses equipment for transferring, overturning and leaning a panel television set. The equipment comprises a rack. The rack is composed of a first rectangular frame and a second rectangular frame. The second rectangular frame is installed on the first rectangular frame. A horizontal tool plate and a leaning tool plate are sequentially arranged on the same side of the first rectangular frame. The leaning tool plate is located below the second rectangular frame. An adsorption transferring mechanism is arranged above the horizontal tool plate. The leaning tool plate is sequentially provided with an overturning mechanism and a leaning transferring mechanism from bottom to top. The leaning transferring mechanism is connected with the upper end of the second rectangular frame. A conveying mechanism is arranged on the surface of the first rectangular frame. The equipment has the beneficial effects that it can be guaranteed that the panel television set can be smoothly transferred, overturned and leaned, manpower can be replaced, the production manner of multiple types, flexibility and easy switching is met, and meanwhile efficiency and product quality are improved.

The invention provides a high-stability steel coil turnover device. The high-stability steel coil turnover device comprises a worktable and an underframe; the underframe comprises a groove for accommodating the worktable; a chain wheel group and a supporting roller are arranged in the groove; the worktable is located on the supporting roller; the worktable comprises a cambered surface, and a first worktable top and a second worktable top, the two of which are perpendicular to each other; a chain engaged with the chain wheel group is arranged on the cambered surface; a conveying mechanism is arranged on the first worktable top; the conveying mechanism is fixedly connected with the worktable through a fastener; the conveying mechanism comprises a frame and a plurality of rollers located within the frame; a steel coil limiting mechanism is arranged on the frame. The high-stability steel coil turnover device has the positive effects of stable and reliable turnover process, high automation degree, labor cost saving and working efficiency improvement.

The invention discloses a welding system for a large thick-wall steel plate. The system comprises a portal type welding mechanism and a steel plate supporting structure. The system is characterized in that the steel plate supporting structure is arranged between two steel rails (1) of the portal type welding mechanism; the steel plate supporting structure is composed of a plurality of groups of carrier rollers (4) and is also equipped with a holding mechanism (5) which is mounted on a lifting hydraulic cylinder (53); an overturning bracket (6) which is hinged to a supporting seat (16) is arranged at one side of the portal type welding mechanism, and the overturning bracket (6) is that the rear surface is connected with a rotating hydraulic cylinder (18), the bottom part is equipped with a steel wire coil (12), and the top part is equipped with a fixed pulley (16); the steel wire coil (12) is connected with a motor (11). With the adoption of the welding system, the abutting, welding, side overturning and other processes in the welding process of a thick steel plate can be done; the stability and reliability in welding and overturning are ensured; workers can operate conveniently; the production efficiency is raised.

The invention discloses a turnover device for electromechanical device installation. The turnover device comprises a fixed base, a control groove is formed in the top of the fixed base, supporting sliding wheels are rotationally connected to the positions, on the two sides of the control groove, at the top of the fixed base through installing bases, a turnover base is arranged on the upper side ofthe fixed base, sliding rails are fixedly connected to the outer surface of the turnover base, the sides, far away from the turnover base, of the outer walls of the sliding rails are connected with the sliding outer surfaces of the supporting sliding wheels, a turnover chain is fixedly connected to the outer side of the turnover base, a turnover motor is fixedly connected to the bottom of the inner wall of the control groove through a motor base, the front side of the turnover motor is rotationally connected with a first driving gear through an output shaft, a connecting shaft is rotationallyconnected to the two sides of the inner wall of the control groove, and a first reduction gear is fixedly connected to the outer surface of the connecting shaft. The turnover device for electromechanical device installation is relatively stable and reliable in turnover and convenient to protect, prevents sliding of electromechanical devices, and facilitates feeding and discharging.

The invention provides a double-arm clamping and overturning device. The double-arm clamping and overturning device comprises two manipulators and a truss, the two manipulators are arranged on the truss, and the two manipulators are connected with the truss in a sliding mode; each manipulator comprises a cable drag chain, a lifting mechanism, a rotating mechanism and a grabbing mechanism, whereinthe cable drag chain is arranged at the top end of the manipulator, the lifting mechanism is arranged on the manipulator and moves in the Z-axis direction, the rotating mechanism is arranged on the lifting mechanism, the grabbing mechanism is arranged on the rotating mechanism, and the grabbing mechanism rotates through the rotating mechanism; and the two manipulators are oppositely arranged sideby side, and the grabbing mechanisms of the two manipulators are oppositely arranged. The double-arm clamping and overturning device achieves full-automatic overturning, synchronous translation and synchronous lifting of frame type beam frames of multiple varieties and sizes, the overturning process is stable and reliable, the labor intensity of assembling workers in the assembling process of frame type beam frame products is reduced, and the safety and the assembling efficiency in the overturning process are improved.

The invention discloses a solar battery assembly turning device, belonging to the technical field of turning devices. The invention provides a solar battery assembly turning device of which an assembly is unlikely to be damaged and high in efficiency. The solar battery assembly turning device comprises a rotary bracket, wherein supporting rotary shafts are arranged at two ends of the rotary bracket; the turning device is structurally characterized in that the supporting rotary shafts are connected with a main bracket below the supporting rotary shafts through a bearing base; the supporting rotary shafts are connected with a rotary cylinder; a pipeline frame and a vertically arranged conveyer belt group are arranged on the rotary bracket; the conveyer belt group is composed of an upper conveyer belt and a lower conveyer belt; clamping suckers which correspond to each other are arranged on the upper conveyer belt and the lower conveyer belt; the clamping suckers are connected with sucker cylinders; the conveying direction of the conveyer belt group is perpendicular to the plane of the pipeline frame; and the conveyer belt group penetrates through the pipeline frame.

The invention provides AOI detection equipment and a detection method. The detection equipment comprises a feeding machine, a detection machine and a sorting machine, wherein the detection machine comprises a feeding side and a discharging side, the feeding machine is arranged on the feeding side of the detection machine, the sorting machine is arranged on the discharging side of the detection machine, and the detection machine comprises a detection conveying device, a first overturning device and a second overturning device; the rack of the detection machine is also provided with a first AOIdetection device and a second AOI detection device; and the feeding machine is used for continuously feeding the detection machine, cell slices are overturned twice on the detection machine and are subjected to front and back detection, the transportation and overturning of the cell slices are stable and reliable, and the detection accuracy of the AOI detection device can be effectively ensured. According to the detection machine of the structure, when being detected, the cell slices are on the detection conveying device all the time, and the position of the cell slices is stable, the risk offalling due to the reverse suction does not exist, the accuracy of detection can be effectively guaranteed, and the automation of material loading, detection and sorting can be realized, and the efficiency of detection is high.

The invention discloses a window frame splicing table. The window frame splicing table comprises a base and a table surface hinged to the base. A turnover mechanism is arranged between the table surface and the base to turn over the table surface, the turnover mechanism can turn over the table surface between a horizontal feeding state and an inclined blanking state, a raceway is also arranged onthe base, when the table surface is in a blanking state, the lower edge of the table surface is close to the raceway, an adsorption table is arranged on the table surface, the adsorption table can ascend, descend, slide and rotate relative to the table surface and can adsorb glass. The surface of the adsorption table is higher than the table surface when ascending, and is flush with the table surface when descending. The table surface is further provided with a pressing assembly, the pressing assembly is slidably connected with the table surface and provided with a locking mechanism, the pressing assembly comprises a lifting air cylinder and a pressing plate connected to the lifting air cylinder, the pressing plate is higher than glass adsorbed when the adsorption table descends when the lifting air cylinder ascends, and the pressing plate is not higher than the table surface when the lifting air cylinder descends. The window frame splicing table can assist workers in easily completingassembling of large-size and large-weight finished window frames.

The invention discloses a cup overturning device which comprises an input conveying assembly, a carrying assembly, an overturning assembly and an output conveying assembly, the carrying assembly is located above the input conveying assembly and the overturning assembly, a suction cup assembly is arranged at the bottom of the carrying assembly, and the carrying assembly moves a packaging piece on the input conveying assembly to the overturning assembly through the suction cup assembly; the input conveying assembly and the output conveying assembly are located on the two sides of the overturning assembly correspondingly, and the overturning assembly rotates to drive packaging pieces on the overturning assembly to be overturned to the output conveying assembly. According to the cup overturning device, the packaging pieces are driven to overturn and move to the output conveying assembly through the overturning assembly, the multiple rows of packaging pieces on the input conveying assembly can be moved to the overturning assembly at the same time through the carrying assembly, the multiple rows of packaging pieces can be overturned at the same time through one-time overturning of the overturning assembly, the packaging pieces do not need to be moved and overturned row by row, and the cup overturning efficiency is improved.

The invention relates to the technical field of automation, in particular to a carrier overturning and clamping mechanism. After the driving component drives the material taking gripper to clamp products, the driver drives the rotating component to drive the products on the material taking gripper to rotate, full-automatic clamping and overturning of various and multi-size carrier products can be achieved, the overturning process is stable and reliable, the labor intensity of assembly workers in the assembly process of the carrier products is reduced, and the production efficiency is improved. The safety and the assembly efficiency in the overturning process are improved, the structure is compact, the occupied space is small, and the stability is good.

The invention provides an AOI detection machine and a detection method. The detection machine comprises a detection conveyer, a first turnover device and a second turnover device; a first AOI detection device and a second AOI detection device are also arranged on a detection rack; a battery piece is turned over twice on the detection machine and is subjected to front and back detection, transportation and turnover of the battery piece are stable and reliable, and detection accuracy of an AOI detection device can be effectively guaranteed. The detection machine of the structure has the advantages that the battery piece is always located on the detection conveyer during detection, a position of the battery piece is stable, a suck-back fall risk can not exist, the detection accuracy can be effectively guaranteed, automation can be realized, and detection efficiency is high.

The invention relates to a singularity-free hydraulic bidirectional reversible plow with two oil cylinders. The singularity-free hydraulic bidirectional reversible plow with the two oil cylinders comprises a suspension frame, the two hydraulic oil cylinders, a rotary plow frame, a depth limiting wheel and two plow bodies which are arrayed at an angle of 180 degrees, wherein the rotary plow frame is mounted on the suspension frame; the hydraulic oil cylinders are arranged between the rotary plow frame and the suspension frame; the suspension frame comprises a lower suspension beam and an upper suspension beam; a rotating shaft is arranged at the position of a middle point of the lower suspension beam; two hydraulic oil cylinder mounting seats which are not on the same horizontal plane are symmetrically arranged on the upper suspension frame; the rotary plow frame comprises a rotary shaft sleeve and a rotating shaft; two sides of the rotary shaft sleeve are horizontally welded to an overturning beam and a balancing beam; a coordinated driving assembly is mounted in a mounting hole of the overturning beam; the rotary plow frame and the coordinated driving assembly have the same angular displacement movement rule; the coordinated driving assembly comprises a central shaft and two driving arms; the two driving arms are arrayed at an angle of 180 degrees; and the two hydraulic oil cylinders are separately connected with the hydraulic oil cylinder mounting seats and the two driving arms of the coordinated driving assembly. The problem that singularity exists in an overturning process of the traditional reversible plow is solved fundamentally.