34results about How to "Reduce positional deviation" patented technology

The utility model discloses a rapid round steel butt joint device which is mainly composed of a shell, clamping mechanisms symmetrically arranged at the two ends of the shell and a driving mechanism located in the shell. The clamping mechanism is connected with the shell in a sliding mode through a connecting sliding block and comprises a base fixed to the connecting sliding block, a lower arc-shaped base and an upper arc-shaped base on the base are connected in a hinged and threaded mode, and a clamping screw and an arc-shaped pressing block are arranged to stably clamp round steel. The driving mechanism comprises a driving rack fixed to the connecting sliding block, a driving gear meshed with the driving rack and connected with the driving rack through a rotating shaft, and a rotating disc. According to the device, through the ingenious structural design, on the aspect of butt joint precision, position deviation can be effectively reduced, the butt joint coaxiality of round steel is improved, and the high-end manufacturing requirement is met; in terms of working efficiency, the position of round steel can be rapidly adjusted, and working time is shortened; and in the aspect of safety, the round steel is prevented from sliding off, the device adapts to complex operation environments, and the remarkable application value in industrial production is achieved.

The utility model provides a telescopic portable catalyst bed positioner, which belongs to the technical field of small and medium-sized experimental devices and comprises a telescopic device, a horizontal positioner is mounted at the bottom of the telescopic device, an infrared distance meter is mounted on the surface of the telescopic device, and a gradienter is mounted on the surface of the infrared distance meter. According to the utility model, the actual position of the catalyst bed layer can be quickly and accurately determined in the catalyst filling process, the influence caused by defects of equipment and human measurement errors is reduced, the actual filling position and the measurement value are kept consistent, the position deviation is reduced, and the positioning accuracy of the catalyst bed layer is improved; accurate catalyst bed layer positioning is the basis of a subsequent catalyst evaluation experiment, by means of the positioner, it can be ensured that the actual filling position and the measured value are kept consistent, the filling time of the catalyst can be effectively shortened, the actual installation height of the catalyst can be accurately measured, and a solid and reliable basis is provided for the subsequent catalyst evaluation experiment.

An iron tower component hydraulic corner cutting self-adaptive limiting frame comprises a pressing die and a positioning die, the limiting frame is arranged on the positioning die, the limiting frame comprises an abutting block, an opening of the positioning die is in a U shape, an L-shaped notch is formed between the abutting block and the positioning die, and angle steel can be inserted into the L-shaped notch. The abutting block abuts against the angle steel after the angle steel enters the positioning die, and the abutting block retreats to the other end face after the angle steel is sheared by the pressing die. The angle steel shearing device has the advantages that geometric constraint is formed through matching of the U-shaped opening and the L-shaped notch, the three-dimensional positioning accuracy of angle steel in the shearing process is guaranteed, and position deviation can be reduced compared with a traditional manual positioning mode.

This application belongs to the field of robot control technology, and relates to a robot control method, device, computer equipment, and storage medium, including: acquiring a target station to be reached by the robot; determining an initial planned path for the robot to reach the target station based on the target station; scanning multiple reflective pillars preset on the initial planned path to obtain multiple point cloud data of the multiple reflective pillars, with one reflective pillar corresponding to a set of point cloud data; adjusting the initial planned path based on the multiple point cloud data to obtain a target planned path; controlling the robot to reach the target station based on the target planned path; acquiring a target material to be grasped by the robot; controlling the robotic arm to photograph a preset QR code on the target material at the target station to obtain a QR code image; determining the movement compensation value of the robotic arm based on the QR code image; and controlling the robotic arm to grasp the target material based on the movement compensation value. This application effectively improves the handling accuracy of composite handling equipment in material handling.

The application relates to a flexible connecting device of a ball screw pair, belonging to the ball screw field, which comprises a rack, a connecting rod and a guide square rod, both ends of the guide square rod are sleeved with adjusting blocks, the adjusting blocks are provided with turnover assemblies for adjusting the overturning angles of the guide square rods, the turnover assemblies and the adjusting blocks are connected through rotating assemblies, the rotating assemblies are used for adjusting the overturning angles of the guide square rods, the turnover assemblies are provided with fixing assemblies for adjusting and fixing the overturning angles of the guide square rods, the rack is provided with adjusting assemblies for adjusting the positions of the adjusting blocks, the adjusting assemblies correspond to the adjusting blocks one by one, and the connecting rod is connected with the guide square rod through rolling pieces. The application has the effects of reducing the track deviation of a screw nut and causing mechanism abrasion, and prolonging the service life of the ball screw pair.

The utility model discloses a component analysis device for rare earth oxides, which relates to the technical field of component analysis for rare earth oxides and comprises an analysis instrument body, a laser and an optical fiber are mounted at the upper end of the analysis instrument body, the optical fiber is supported by a support, and the other end of the optical fiber is focused on the surface of a sample. A base is arranged on one side of the upper end of the analytical instrument machine body, and a middle rod is fixedly arranged at the upper end of the base. According to the utility model, the position of a sample to be detected is limited by arranging the limiting block on the discharging plate, and the two groups of oppositely arranged springs are utilized to promote the bottom block to drive the positioning head to be close to the two sides of the sample, so that the sample is positioned, the sample can be ensured to be positioned at the same position every time the sample is placed, and the position deviation caused by manual adjustment is reduced; in combination with upward sliding of the sleeve, the ejector rod drives the push block to push the corresponding bottom block outwards, so that the sample is convenient to take.

The application relates to a slitting machine for processing corrugated paper, which comprises a frame body, a conveyor for conveying the corrugated paper arranged on the frame body, a guide mechanism, a slitting unit, a fixed seat arranged on the conveyor, a rotating frame arranged in the fixed seat, a plurality of electric push rods arranged along the length of the rotating frame, a mounting head arranged at the bottom end of the piston rod of the electric push rod, a slitting blade arranged on the mounting head, one end of the slitting blade being downwardly inclined, and a driving element arranged on the fixed seat. The application can control the lifting of the slitting blades in different positions and quantities through the electric push rod and the mounting head, the number of times and the slitting width of the corrugated paper in single slitting can be conveniently changed, different slitting requirements can be met, the universality and applicability of the equipment are improved, meanwhile, the adjustment of the slitting blade is convenient and fast, complicated dismounting and reinstallation operations are not needed, and the production efficiency is improved.

The utility model relates to the technical field of printing coiled material winding and unwinding, and discloses a printing coiled material winding and unwinding assembly which comprises a supporting frame, a first mounting frame is fixedly mounted on the supporting frame, a rear transition roller is rotatably mounted at the end, away from the supporting frame, of the first mounting frame, and a fixing seat is fixedly mounted on the supporting frame. A transmission seat is fixedly installed at the end, away from the supporting frame, of the fixing seat, and a rear driving roller is fixedly installed at the output end of the transmission seat. According to the winding and unwinding assembly for the printing coiled material, the air cylinder drives the mounting rod to drive the tensioning roller to move up and down, the tension of the printing coiled material can be dynamically adjusted, when the tension of the coiled material fluctuates due to winding and unwinding diameter changes, the air cylinder can keep the coiled material in a tensioning state in real time through air pressure compensation, and the loosening or over-tightening phenomenon is avoided; and the tensioning assembly is located between the rear driving roller and the upper driving assembly, a transmission path from driving to tensioning and then driving is formed, and tension fluctuation of the coiled material in the transmission process can be effectively decomposed.

The utility model relates to a helmet with a vehicle electricity taking function. The helmet comprises a helmet body, electric equipment, a power supply assembly and an electricity taking assembly. Compared with the prior art, the electric equipment is connected to the power supply assembly, and the power taking assembly directly obtains the electric energy of the vehicle and supplies the electric energy to the electric equipment, so that the power supply assembly can supply power to the electric equipment, the light weight of the helmet is facilitated, and the capacity of a battery can be further reduced by directly taking power from the vehicle; and the lightweight effect of the helmet is further enhanced. Besides, the power supply component and the power taking component transmit electric energy across the helmet body of the helmet, so that the power supply mode can directly separate the power taking component more easily by utilizing impact force caused by collision when a driving accident occurs, and potential safety hazards caused by continuous charging under the condition that a battery is damaged due to collision are reduced. In addition, the battery capacity is reduced in the mode that electricity is taken through the vehicle, and the electric power safety of the helmet can be improved.

The utility model discloses an outer sleeve assembling machine, which comprises a table top, an outer sleeve and a blood bag placing platform, the first clamp and the second clamp are arranged side by side, the clamping centers of the first clamp and the second clamp are aligned, and the first clamp and the second clamp extend upwards from the table surface and are respectively used for clamping butt joint accessories on the outer sleeve and the blood bag; the sliding table is installed below the table top and used for driving the first clamp to slide back and forth in the axial direction of the outer sleeve. Automatic alignment and insertion are achieved through the design that the centers of the two clamps are aligned, stable axial propelling is guaranteed by combining with sliding table driving, arc-shaped jaws of the two clamps are effectively fixed, deformation is prevented, the automatic assembly device has the advantages of being accurate in positioning, stable in operation and high in yield, and the requirement for automatic assembly of the outer sleeve of the blood linked bag is met.

The utility model discloses a plastic package sealing device, which relates to the technical field of sealing devices and comprises a sealing table, a connecting frame is fixedly connected to the top of the sealing table, and a position calibration mechanism is arranged on one side of the connecting frame. An electric cylinder drives a connecting rod to move downwards, so that L-shaped plates are located on the two sides of a packaging bag, a second electric push rod drives the L-shaped plates to move, the packaging bag is pushed to move through the L-shaped plates, position calibration of the packaging bag is achieved, the packaging bag is pressed and limited through a limiting piece, position deviation of the packaging bag during sealing is reduced, alignment precision during hot pressing is guaranteed, and deviation or incomplete sealing is avoided. The position, above the conveying rollers, of the packaging bag is limited through the guide frame, the fourth gear drives the third gear to rotate, the using direction of the draught fan can be adjusted, and cooling of the sealing position of the packaging bag can be accelerated through the draught fan and the cooling box.

The embodiment of the utility model provides a pre-filling needle rod screwing device and a pre-filling needle rod screwing torsion testing device, and the pre-filling needle rod screwing device comprises a push rod clamping assembly, a push rod limiting mechanism, a needle cylinder limiting assembly and an adjusting assembly which are sequentially arranged along a first direction, and a rotary rod screwing mechanism which is adjacent to the needle cylinder limiting assembly. The push rod clamping assembly comprises a clamping part and a driving part, and the driving part is connected with the clamping part and drives the clamping part to clamp and fix the push rod in the second direction; the needle cylinder limiting assembly comprises a limiting structure, and the needle cylinder limiting assembly is used for limiting a needle cylinder in the first direction through the limiting structure; the rotary rod screwing mechanism is used for driving the needle cylinder to rotate, and the adjusting assembly is used for changing the relative positions of the needle cylinder limiting assembly and the rotary rod screwing mechanism in the third direction. According to the embodiment, accurate positioning of the push rod limiting mechanism and the push rod is ensured when the pre-filling needle is assembled, the position deviation between the push rod limiting mechanism and the push rod is reduced, and the production efficiency is effectively improved.

The utility model relates to the technical field of detection equipment, and provides a product size and form and location tolerance detection device, which comprises an acquisition structure, the acquisition structure comprises three sets of acquisition mechanisms and a backlight source, the acquisition mechanisms are used for acquiring product corner characteristics, and the three sets of acquisition mechanisms comprise a first acquisition assembly, a second acquisition assembly and a third acquisition assembly. The first collection assembly, the second collection assembly and the third collection assembly are longitudinally distributed, the backlight source and the second collection assembly are oppositely arranged, and during collection, a product is located between the second collection assembly and the backlight source in the horizontal direction and located between the first collection assembly and the second collection assembly in the vertical direction. On the basis, the structure is simple, the occupied space is small, and the detection precision and efficiency are better guaranteed.

This invention discloses a laser drilling device, comprising a feeding mechanism, a laser drilling mechanism, and a discharging mechanism arranged sequentially. The laser drilling mechanism includes a dual-axis moving platform, a vacuum positioning stage mounted on the dual-axis moving platform, and a laser unit positioned above the dual-axis moving platform. The dual-axis moving platform can drive the vacuum positioning stage to move along a first direction or a second direction. The laser unit has at least two spaced-apart laser emitters. The vacuum positioning stage is equipped with at least one set of stage assemblies, each set of stage assemblies having two material adsorption plates and a positioning component. The positioning component positions the material pieces on the two material adsorption plates, ensuring that the distance between the material pieces on the two material adsorption plates is the same as the distance between the two laser emitters. Without increasing the positioning time, this device effectively improves drilling efficiency while ensuring drilling accuracy.

The present disclosure relates to the technical field of semiconductor technology, and discloses a semiconductor structure, a forming method thereof and a memory. The forming method comprises: providing a substrate, the substrate comprising a shallow trench isolation structure and a first gate region and a second gate region separated by the shallow trench isolation structure, the first gate region comprising a first channel region, and the second gate region comprising a second channel region; forming a gate material layer on a surface of the substrate, the gate material layer comprising a middle region and an edge region, a projection of the middle region on the substrate covering at least a region between the first channel region and the second channel region, and a projection of the edge region on the substrate covering at least the first channel region and the second channel region; removing the gate material layer in the middle region and retaining the gate material layer in the edge region to form a first gate structure in the first gate region and a second gate structure in the second gate region. The forming method of the present disclosure can reduce the instability of the gate line width and improve the size uniformity of the gate structure.

This utility model discloses a creasing, cutting, and rewinding machine, relating to the technical field of creasing, cutting, and rewinding machines. It includes a frame, and along the conveying direction of the frame, a feeding mechanism, a primary creasing assembly, a first cutting assembly, a secondary creasing assembly, a waste cleaning assembly, a second cutting assembly, and a winding mechanism are sequentially arranged. The feeding mechanism carries large-diameter rolls of material and conveys them to the primary creasing assembly. The primary creasing assembly performs initial creasing on the rolls conveyed by the feeding mechanism. The first cutting assembly performs a cutting operation on the rolls after the initial creasing, forming a waste area to be separated. The secondary creasing assembly performs a second creasing on the rolls after the first cutting operation. The waste cleaning assembly separates and removes the waste generated by the first cutting assembly from the rolls. The second cutting assembly cuts the rolls after waste cleaning, effectively improving production efficiency.

This utility model belongs to the field of automated inspection, specifically a visual inspection device for inkjet printers, including a conveying device; a support frame is fixedly connected to one side of the conveying device; a set of electric push rods is fixedly connected to one side of the support frame; a baffle is fixedly connected to the output end of the electric push rods; a first protective plate is fixedly connected to one side of the baffle; a first sliding plate is fixedly connected to one side of the first protective plate; a second protective plate is fixedly connected to one side of the first sliding plate; a second sliding plate is fixedly connected to one side of the baffle; a gantry frame is fixedly connected to the surface of the conveying device; a cylinder is fixedly connected to the bottom of the gantry frame; a mounting block is fixedly connected to the output end of the cylinder; and a detection camera is mounted at the bottom of the mounting block. By pushing the baffle with the electric push rods to position the product to be inspected below the detection camera, product offset caused by manual placement or conveying fluctuations can be reduced, positioning accuracy can be increased, positional deviation can be reduced, resulting in missed images, ensuring consistent inspection, and increasing the accuracy of the detection camera.

This utility model discloses a die-cutting machine for label production, relating to the field of die-cutting machine technology. It includes a body, a feeding mechanism, a first limiting component, a first conveying roller group, a second limiting component, a die-cutting mechanism, a third limiting component, a second conveying roller group, and a finished product recycling mechanism, all sequentially arranged along the label conveying direction. The feeding mechanism conveys label raw materials. The first limiting component initially limits the label raw materials before the first conveying roller group. The second limiting component provides secondary limiting for the label raw materials after they have been conveyed by the first conveying roller group. The die-cutting mechanism performs die-cutting on the label raw materials that have undergone secondary limiting. The third limiting component continuously calibrates and limits the finished label products after die-cutting. The finished product recycling mechanism recycles the finished label products conveyed by the second conveying roller group. Through these three precise limiting actions, the positional deviation of the labels during feeding, die-cutting, and recycling is effectively reduced.

The utility model discloses an orientation mechanism and position detection system for position decoder, the orientation mechanism includes sliding frame, and sets up first pulley and second pulley on the sliding frame, wherein, the rotation axis of first pulley and the rotation axis of second pulley are arranged at the angle, first pulley and second pulley are used for the groove wall contact sliding of guide rail mechanism's guide sliding groove respectively, realize the contact sliding of two directions through first pulley and second pulley respectively, can support and guide sliding frame from different directions, effectively limit the degree of freedom of sliding frame on guide rail mechanism, avoid its left and right swing and front and back deviation in the sliding process, make position decoder, read head device can along guide rail mechanism smoothly, and the stable work of read head device provides reliable guarantee.

The utility model discloses a novel bed body of gantry milling, including fixed bed, the lateral wall fixed connection of fixed bed has motor, the output fixed connection of motor has the threaded rod, the outer wall of threaded rod is equipped with the sliding block of screw connection with it, the top fixed connection of sliding block has workstation, be equipped with between fixed bed and workstation guiding mechanism, two fixed links fixedly connected with it are equipped with and are penetrated in fixed bed, and the end of every fixed link is fixedly connected with support leg, and every support leg is equipped with adjusting mechanism, and the bottom fixed connection of fixed bed has a plurality of reinforcing plates that are equally spaced distribution. The utility model sets up the X type reinforcing plate of fixed bed bottom equally spaced distribution and fixed link, bottom connecting plate cooperation, the structure intensity of bed body bottom is enhanced significantly, reduces the emergence of the problem of loosening in the equipment operation process, guarantees the long -term stable operation of equipment.

This utility model relates to the field of battery manufacturing technology, specifically to an automatic bonding device for battery cells and end plates. It includes a clamping assembly connected to the moving end of a transport robot. The moving end of the transport robot has at least three degrees of freedom. The clamping assembly can clamp and translate the battery cell to a positioning assembly. The positioning assembly forms a limiting structure for the end plate and battery cell to be at the same horizontal position. This utility model improves the transport efficiency of battery cells by positioning the transport robot above the clamping assembly. Secondly, both the end plate and the battery cell form the same positioning reference, ensuring their horizontal positions correspond. Then, the transport robot lowers the battery cell to the end plate for bonding and fixing, maintaining a fixed relative position between the battery cell and the end plate, thereby reducing positional deviation and improving the bonding quality.

The invention discloses a tiling drilling positioning device and method, and relates to the technical field of tiling drilling, the tiling drilling positioning device comprises an operation table, two side plates are fixedly connected to the two sides of the upper surface of the operation table, telescopic assemblies are rotatably connected to the inner sides of the side plates, the telescopic assemblies are symmetrically distributed about the axis position of the operation table, and positioning assemblies are arranged in the telescopic assemblies. The symmetrical positioning plates are separated through the telescopic assembly, meanwhile, the pipeline is placed in the gap between the two rows of positioning plates, then the driving frame is driven to rotate through the driving column arranged in the supporting frame, and due to the fact that an inclined face groove formed in the upper end of the driving frame is attached to the right-angle side of a meshing block arranged at the upper end of the positioning plate, the pipeline can be conveniently and rapidly positioned. The driving frame moves along with the driving column and drives the positioning plates to move at the same time, the positioning plates on the two sides move inwards at the same time, and after the ends of the positioning plates make contact with the pipeline, meshing blocks arranged at the upper ends of the positioning plates rotate into containing grooves formed in the positioning plates, and the position of the pipeline is positioned.

The utility model discloses a novel tool clamping mechanism for vertical lathe, including tool clamping mechanism main part and the gear disc subassembly on tool clamping mechanism main part, the gear disc subassembly includes male gear disc and female gear disc, male gear disc and female gear disc opposite side are provided with a plurality of toothed blocks and toothed groove respectively, male gear disc and female gear disc realize the assembly of both through the interlocking mode of toothed block and toothed groove, male gear disc and female gear disc center have big round hole for tool clamping mechanism main part to pass through. The tool clamping mechanism of device, adopt the mode of prior art BT50, cooperate gear disc interlock, both retain the centering accuracy of BT50 clamping mode, can improve the stability of tool repeated multiple clamping, can also make up the defect of BT50 heavy cutting deformation.

The utility model discloses a grabbing mechanism for blister box processing, which comprises a connecting plate, a width adjusting mechanism used for adaptively clamping blister boxes with different widths is arranged above the connecting plate, and a thickness adjusting mechanism used for adaptively clamping blister boxes with different thicknesses is arranged below the width adjusting mechanism. The surface of the thickness adjusting mechanism is provided with a detection mechanism used for detecting the clamping force, and the top of the connecting plate is provided with a connecting mechanism used for being connected with blister box machining equipment. The width adjusting mechanism and the thickness adjusting mechanism driven by the servo electric cylinder are linked through the sliding rail and the sliding block, the two-degree-of-freedom self-adaptive adjustment of the width and the thickness of the plastic uptake box can be achieved, and the plastic uptake box grabbing mechanism can adapt to products of different specifications without replacing grabbing components. And compared with the scheme that a grabbing mechanism needs to be replaced in the prior art, the universality of the equipment is improved, and the equipment transformation cost is reduced.

The application discloses an augmented reality head-up display imaging method and device, equipment and a storage medium. The method comprises the following steps: acquiring information of a target object, determining a view cone for imaging according to current optical-mechanical parameters, the current optical-mechanical parameters being determined according to a target image and theoretical optical-mechanical parameters of a head-up display device, the target image being an image of a calibration object, the current optical-mechanical parameters comprising a current eye point coordinate, a current virtual image resolution, a current imaging plane center point coordinate, a size of the current imaging plane and a normal line of the current imaging plane, generating a virtual image of the target object by using the view cone according to the information of the target object, and displaying the virtual image of the target object in a virtual image display area. Thus, the position deviation between an actual object and the virtual image can be reduced, the degree of the actual object and the virtual image being displayed in conjunction can be improved, and the AR experience effect can be improved.

This utility model belongs to the field of PCB board testing technology, and relates to a PCB board calibration device and PCB board testing equipment. The calibration device includes a calibration support, a first calibration drive mechanism, a second calibration drive mechanism, a first calibration component, and a second calibration component. The calibration support is used to carry materials. The output end of the first calibration drive mechanism is connected to the calibration support, and the first calibration drive mechanism drives the calibration support to reciprocate between a calibration position and an avoidance position. The second calibration drive mechanism is mounted on the calibration support, and the output end of the second calibration drive mechanism is connected to the first and second calibration components. At the calibration position, the second calibration drive mechanism can drive the first and second calibration components to move closer to or further away from each other to calibrate the materials carried on the calibration support. This calibration device can reduce debugging time and is convenient and quick.

The utility model provides a terminal pressing structure and a pressing jig of a connecting wire, the terminal pressing structure of the connecting wire comprises a bearing base and a first movable pressing plate, the upper surface of the bearing base is provided with a terminal mounting groove, the terminal mounting groove comprises a pressing groove and a plurality of needle body accommodating grooves, and the needle body accommodating grooves are arranged in the pressing groove. The pin body containing grooves are used for containing metal contact pins to be welded, the multiple pin body containing grooves communicate with the pressing groove, and the pressing groove further communicates with the external environment. The surface of the bearing base is covered with the first movable pressing plate, one end of the first movable pressing plate is rotationally hinged to one end of the bearing base, and the first movable pressing plate is provided with a first pressing block in a protruding mode and embedded into the part of the pressing groove. The plurality of metal pins are fixedly welded by rotating the first movable pressing plate, so that the production efficiency of welding the connecting wire terminal is improved; the first pressing block presses the metal contact pin part and clamps the wire, so that the positions of the multiple metal contact pins are fixed at the same time, and the position deviation after the metal contact pins of the connecting wire terminal are welded is reduced.

The utility model relates to the technical field of motion control platforms, and particularly discloses an emergency stopping three-axis motion control platform which comprises a longitudinal control frame which is arranged to be of a strip-shaped frame body structure, a transverse control frame is arranged above the longitudinal control frame and connected with a second protection block in a sliding mode, the second protection block is installed on a lifting sliding rod, and the lifting sliding rod is connected with the transverse control frame in a sliding mode. The longitudinal control frame, the transverse control frame and the lifting sliding rod form a main basic structure of the three-axis motion control platform. According to the three-axis motion control platform for emergency stopping, when an emergency situation occurs, the first controller and the second controller can rapidly transmit signals to the first electromagnet and the second electromagnet, so that the first electromagnet and the second electromagnet are electrified to generate magnetic force to attract the first metal belt and the second metal belt correspondingly, and motion of the first sliding block and the second sliding block is rapidly stopped; therefore, the platform is accurately stopped at the target position after being braked, position deviation is reduced, rapid and efficient emergency braking is achieved, and safety accidents caused by out-of-control equipment are reduced.

The application discloses a device for bevel polishing of a diamond, which comprises a base plate, a grinding wheel assembly, an indexing positioning assembly, a CCD assembly and a stroke detection assembly. The grinding wheel assembly comprises a cross guide rail module, a grinding wheel motor and a grinding wheel. The grinding wheel motor drives the grinding wheel to rotate and adjusts the grinding position through the cross guide rail module. The indexing positioning assembly comprises an indexing table, an angle positioning adjusting assembly and a stick holder shaft. The angle positioning adjusting assembly is used for adjusting the included angle between the stick holder shaft and the axis of the grinding wheel. The lens of the CCD assembly faces a machining area between the grinding wheel and the stick holder shaft. The stroke detection sensor faces the machining area and is used for cooperating with the detection of the feeding state of the grinding wheel. The device can complete the positioning, indexing, angle adjustment and grinding machining of the bevel of a diamond blank in the same device, reduces the transfer of multiple devices, and improves the stability and machining consistency of the polishing process.