14results about How to "Accurate orientation" patented technology

The invention discloses a PVG preparation method and device based on a vector light field generated by a spatial light modulator. The device comprises an illumination system, a phase design system and an exposure system. The lighting system is mainly formed by assembling a laser and a beam expander, and the phase design system is composed of two spatial light modulators (SLMs) which are named as a phase design system 1 and a phase design system 2 respectively. Wherein the lighting system and the phase design system 1 are sequenced on a center line, and the phase design system 2 and the exposure imaging system work on a vertical center line. According to the method, the flexibility of manufacturing the holographic waveguide of the polarization body is greatly improved, phase regulation and control are carried out through the programmable electric control element SLM to control the transverse period, and experimental errors caused by manual adjustment of a reflector in a traditional mode are reduced; meanwhile, the method is different from a traditional interference exposure method, and the whole system has high robustness; in addition, compared with a separated interference light path, one beam expander is used, and the problem of light beam consistency in the beam expanding process is avoided.

The invention relates to an express waybill visual detection method based on direction perception. The method comprises the following four steps: S1, constructing an express waybill image data set; s2, building an express bill detection model based on direction perception, and replacing an original horizontal frame detection head with a rotating frame detection head and a key point detection head based on improvement of a horizontal frame target detection model; s3, training the established express bill detection model based on direction perception until the model converges; s4, reasoning an image containing the express waybill by using the trained express waybill detection model to obtain the position and key point information of the express waybill, regarding the vertex closest to the key point in the vertexes of the rotating frame as the corresponding point of the vertex at the upper left corner of the upright express waybill, forming four groups of corresponding points clockwise by all the vertexes, establishing an affine transformation matrix, and calculating the position of the express waybill according to the affine transformation matrix. And obtaining a forward express bill image. The method has the advantages that accurate positioning of the position and the direction of the express waybill can be efficiently realized without designing a direction classifier, so that the forward express waybill image is directly obtained.

This utility model provides a measuring tool for detecting the runout of the outer circle of a UF outer star wheel relative to the inner arc track. It includes a base plate and a rotating structure, a clamping and fixing structure, and a measuring structure mounted on the base plate. The rotating structure includes a bearing seat and a rotating shaft. The bearing seat is fixed to the base plate and contains a bearing. The rotating shaft is located in the bearing and rotates relative to the bearing seat. The clamping and fixing structure includes an outer cylinder and a pull bolt. An inner cylinder is located at the top of the outer cylinder, and a reference ring is fitted around the top of the inner cylinder. Multiple rectangular grooves are spaced circumferentially on the top of the reference ring, and steel balls are movably placed in these grooves. The pull bolt includes a top clamping part and a bottom connecting part. The clamping part is in the shape of an inverted frustum, and its outer wall abuts against the steel ball. The connecting part connects to a drive assembly, which drives the pull bolt to move up and down. The measuring structure includes a dial indicator, which is fixed to the upper end of a vertical rod via a cantilever. The vertical rod is located on one side of the bearing seat.

The utility model discloses a hanging mechanism capable of correcting multi-dimensional deviation and used for hoisting a high-temperature molten aluminum platform ladle. The hanging mechanism comprises an outer frame, a transverse adjusting frame, a transverse driving assembly, a longitudinal adjusting frame, a longitudinal driving assembly, an angle adjusting rotating frame, a rotating driving assembly, a bilateral hook, an opening and closing driving assembly and the like. According to the mechanism, in the process of transferring the high-temperature molten aluminum platform ladle, fault-tolerant adaptation and position correction can be carried out on the platform ladle with various position and angle deviations when the platform ladle is taken and placed; and the platform bag deviating from the accurate direction can be smoothly hung and hoisted, the platform bag is corrected to the correct center position and angle in the hoisting process, and the platform bag transferred in place is ensured to be placed at the correct position and angle when being put down.

The present invention discloses an automatic stacking and stacking device for a graphene floor heating robot, which belongs to the field of logistics technology. An automatic stacking and stacking device for a graphene floor heating robot comprises a stainless steel fence, in which a manipulator, a conveying platform, a block and a pallet placed in the block are arranged, a conveying roller and a driven wheel are fixedly connected to the second rotating shaft, the driving wheel is rotatably connected to the driven wheel through a belt, a sleeve is fixedly connected to the conveying platform, a sliding rod is slidably connected in the sleeve, a ball seat is fixedly connected to the sliding rod, an air pipe is fixedly connected to the L-shaped tube, a second piston cylinder is fixedly connected to the end of the air pipe away from the L-shaped tube, a second piston handle is slidably connected in the second piston cylinder, the second piston rod is fixedly connected to the baffle, and a limiting mechanism for aligning the packaging boxes is arranged on the conveying platform; the present invention can adjust the conveying speed of the packaging boxes according to the grasping speed of the manipulator, and automatically align the packaging boxes on the conveying platform, so as to facilitate the neatness when the manipulator grasps and stacks.

The utility model discloses turnover type bending equipment for stainless steel processing, which comprises an operation table body, a female die body and a male die body, the female die body and the male die body are used for carrying out turnover type bending on a stainless steel plate, and a bottom cabinet used for heightening and supporting is fixedly arranged on the bottom surface of the operation table body. The stainless steel plate bending device has the beneficial effects that after a stainless steel plate is flatly placed on the top face of the female die body, the bottom faces of the two sides of the stainless steel plate can be supported through the side supporting assemblies on the two sides of the operation table body; the top supporting plate can be attached to and supported on the bottom face of the stainless steel plate in real time in the mode that the top supporting plate ascends and overturns at the same time, a certain acting force is applied to upward overturning of the stainless steel plate from the lateral position, and then the stainless steel plate can be guided to smoothly achieve the upward overturning process of the two side positions in the bending process. Therefore, the stainless steel plate and the edge position of the top of the bending groove are prevented from generating creases, and the product quality of the bent stainless steel plate is improved.

The present invention belongs to the field of geophysical exploration technology. The present invention provides a single-hole directional radio frequency electromagnetic detection method and system, including two coaxially arranged directional drilling antennas, the directional drilling antennas have the same structure, and both include a main board, a radiation structure formed by metal is arranged on the main board, and a radially arranged through slot is arranged at the center of the radiation structure; a feed balun is vertically arranged in the through slot, the metals on both sides are not connected, and the metals on each side are respectively connected to the corresponding radiation structure, the main board is arranged on the side of the filling component, the filling component is hollow in the middle, and the feed balun runs through the middle of the filling component; the supporting component is hollow and is provided with a metal reflector, and the end of the metal reflector and the end of the radiation structure are connected by a lumped element. The present invention can effectively improve the detection angle resolution of directional radio frequency electromagnetic in the hole and realize the fine characterization of the abnormality around the hole.

The utility model discloses an electro-hydraulic hammer head auxiliary mounting device convenient to support, which comprises a forging support, an auxiliary mounting vehicle is mounted at the bottom end of the forging support, and mounting plates are mounted on two sides of the top end of the auxiliary mounting vehicle. In the using process, the hammer head is placed in the containing box, the first correcting plates can be driven to synchronously move inwards by starting the electric push rods, the two sides of the triangular rib plates can be limited and clamped, meanwhile, under the mutual cooperation of the anti-skid protrusions, the clamping stability of the containing box can be enhanced, and the clamping effect is improved. The motor is started to drive the positive and negative tooth screw rod to rotate, and the threaded sleeve further drives the second correction plate on the inner side to synchronously move inwards, so that the two ends of the bearing box can be limited and clamped, the hammerhead can be conveniently hoisted by the hoisting mechanism, and the function of facilitating supporting and the function of correction are achieved.

The present invention relates to a clamping chuck (1), by which a workpiece (2) is supported individually and centeringly for machining the workpiece by a machine tool, the clamping chuck having a chuck body (3), having four clamping jaws (5, 6, 7, 8) supported radially movably on the chuck body (3), the clamping jaws being arranged in pairs in an X plane or a Y plane, and having a drive piston (9) supported axially movably in the chuck body (3), the drive piston being drive-coupled with the four clamping jaws (5, 6, 7, 8) via inclined surfaces or inclined teeth (10) machined on the drive piston (9) and the corresponding clamping jaws (5, 6, 7, 8), and the four clamping jaws being synchronously fed toward a workpiece (2) to be clamped or moved away from the workpiece.

This utility model relates to the field of sheet processing technology, specifically to a guiding device for processing modified PP polypropylene sheets. It includes a frame, with a processing platform fixedly connected to the inner side of the frame. Two supporting side plates are fixedly connected to the top of the frame, and multi-directional positioning components are provided on the two supporting side plates. Each multi-directional positioning component includes limiting sliding holes formed on the two supporting side plates. This utility model utilizes two abutment plates to fully abut and fix the sides of the polypropylene sheet, facilitating precise positioning and guidance of polypropylene sheets of different widths or thicknesses. This effectively improves the versatility of the positioning and guiding function of the polypropylene processing device. Furthermore, by driving several guide conveyor rollers to rotate synchronously in the same direction counterclockwise, it assists in moving the polypropylene sheet, ensuring that the polypropylene sheet accurately reaches the processing point, which is beneficial for guaranteeing the subsequent processing quality of the polypropylene sheet.

The application discloses a handheld underwater detection device with adjustable direction propulsion and belongs to the technical field of underwater operation equipment. The existing handheld underwater detection device completely relies on manpower movement, and problems such as no power assistance, power and detection being unable to be coordinated exist. The application comprises a main body structure, a quick-release battery assembly, a sensing unit, an interactive display module and an underwater propulsion module. The main body structure comprises a main shell and a handheld ring connected with the main shell. The quick-release battery assembly is installed on the main body structure, provides power for the device and realizes quick release of the battery. The sensing unit comprises a detection imaging assembly and a multi-source fusion positioning navigation module. The interactive display module comprises a display screen and control buttons arranged on the top surface of the main body structure. The underwater propulsion module comprises an underwater steering engine fixed below the main body structure and an underwater propeller connected with the output end of the underwater steering engine, and the underwater steering engine is used for driving the underwater propeller to realize adjustable pitch angle. The application realizes adjustable direction autonomous propulsion of the handheld underwater detection device, integrates detection, navigation and power assistance into one, and is convenient for operation.

A computer component machining and conveying device comprises a front conveying device, a middle conveying device, a rear conveying device and a transfer device installed on the lower portion of the middle conveying device, the transfer device comprises a rack, a cam rotationally connected to the lower portion of the rack, a shifting frame slidably connected to the middle of the rack, a cam rod slidably connected to the middle of the shifting frame, and the cam rod is slidably connected with the cam. The upper portion of the rack is slidably connected with the two ejector rods and the jacking feeding device, the cam drives the cam rod to move left and right and up and down, the cam rod drives the two ejector rods to move up and down in turn, the ejector rods drive the jacking feeding device to move up and down, the rear side of the rack is slidably connected with the two baffles, and the shifting frame drives the two baffles to move up and down. And the position and the distance between the materials above the new conveying belt are accurate.

The utility model discloses incense coiling equipment for producing natural perfumes, which comprises a box body, an incense coiling device and an incense coiling device, the mounting tray is rotationally mounted in the boss, and a positioning block is formed on the surface of the mounting tray; the surface of the mounting tray is sleeved with the bearing disc, and positioning grooves corresponding to the positioning blocks in size are formed in the surface of the bearing disc; a bottom plate; the motor mounting bracket is arranged in the box body, and a driving motor for driving the mounting tray to rotate is arranged in the motor mounting bracket; a limiting block is arranged below the positioning frame; a lifting cylinder; and the supporting column is arranged on the upper surface of the boss and used for supporting the supporting frame. The mechanical incense coil winding device has the beneficial effects that a mechanical incense coil winding mode is adopted, the design of a positioning and guiding structure is combined, accurate guiding can be conducted in the incense mud feeding process, it is guaranteed that incense mud is stably fed in the winding process, the production quality of incense coils is guaranteed, meanwhile, accurate positioning can be conducted, the operation difficulty is reduced, and the machining efficiency is improved.

The utility model discloses a directional material preparation device for an inner pipe embedded part of an automobile suspension bracket injection molding part, which is characterized in that one end of a conveying mechanism is connected to a rack, and a plurality of insertion rods are arranged on the conveying mechanism; the industrial robot is connected to the rack, and the clamp is connected to the execution end of the industrial robot. The support is connected to the rack, the rotating assembly is connected to the support, a rotating disc is arranged on the top of the rotating assembly, the directional rod is connected to the rotating disc, and the side portion of the directional rod is connected with an elastic block. The clamping assembly is connected to the support, and clamping jaws of the clamping assembly are located on the two sides of the orientation rod. The detection assembly comprises a detection piece and a detection switch, the detection piece is connected to the rotary disc, the detection switch is connected to the support, and the detection piece can pass through the detection switch. Compared with the prior art, the aluminum inner pipe embedded parts can be arranged and prepared according to the fixed direction, so that a follow-up mechanical arm can grab the aluminum inner pipe embedded parts from the material preparation device and place the aluminum inner pipe embedded parts in a mold, automatic machining can be achieved, and the requirement for mass production can be met.