30results about How to "Guaranteed grinding accuracy" patented technology

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The water pump shaft part ultra-precision grinding device comprises a machine base and a grinding machine body fixedly installed at the top of the machine base, a first motor is fixedly installed on the inner wall of the left side of the grinding machine body, a first hydraulic cylinder is fixedly installed on the inner wall of the right side of the grinding machine body, and a first shaft base is rotationally installed at the output shaft end of the first hydraulic cylinder. The ultra-precision grinding device is reasonable in design, the fine-grained abrasive particle grinding wheel, the ultra-fine-grained abrasive particle grinding wheel and the superfine-grained abrasive particle grinding wheel are conveniently and sequentially used for carrying out three times of grinding machining on the water pump shaft part by arranging the three abrasive particle grinding wheels with different granularities, and ultra-precision grinding treatment on the water pump shaft part is achieved; the strict requirements for precision indexes such as the surface roughness of the water pump shaft parts are met, the machining precision and the surface quality of the water pump shaft parts are effectively improved, the time spent on replacement of abrasive particle grinding wheels with different granularities after shutdown is greatly shortened, operation is easy and convenient, and the working efficiency is improved.

The invention relates to a turning tool rake face grinding method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a feed linear section and a retraction arc section; the feed linear section corresponds to the plane structure of the front tool face of the turning tool; the tool retracting arc section corresponds to the curved surface structure of the front tool surface; the initial posture of the grinding wheel is determined when the end face of the grinding wheel is parallel to the feeding straight line section and perpendicular to the track plane where the feeding straight line section and the retracting arc section are located; for the track point on the feed straight line section or the retracting arc section, the grinding pose of the outer edge of the grinding wheel passing through the track point is determined according to the initial pose; and the grinding wheel is controlled to grind the front tool face of the turning tool at the track point according to the grinding pose. By adopting the method, the grinding precision of the rake face of the turning tool can be ensured.

The invention relates to a rear tool face grinding method and device of a turning tool, electronic equipment and a storage medium. The method comprises the steps that a grinding trajectory of the rear tool face of the turning tool is obtained; for track points on the grinding track line, reference relief angle parameters corresponding to the track points are determined; determining a reference tangential direction and a reference normal direction of the grinding track line at the track point; determining the initial attitude of the grinding wheel when the radial direction of the grinding wheel is parallel to the reference tangential direction and the included angle between the axial direction of the grinding wheel and the reference normal direction meets the reference relief angle parameter; determining the grinding posture of the grinding wheel according to the initial posture and the track point; and controlling the grinding wheel to grind the rear tool face of the turning tool at the track point according to the grinding pose. By adopting the method, the grinding precision of the rear tool face of the turning tool can be ensured.

The invention belongs to the technical field of burr removing, and discloses burr removing equipment which comprises a workpiece fixing unit, a burr removing unit and a burr removing unit. The first polishing unit is used for polishing burrs on the periphery of the workpiece; the second polishing unit is used for polishing burrs on the top of the workpiece; the moving unit comprises a first moving shaft, a second moving shaft and a third moving shaft, the first moving shaft, the second moving shaft and the third moving shaft are perpendicular to one another, the first moving shaft, the second moving shaft and the third moving shaft can move in the respective axial directions, the first grinding unit and the second grinding unit are arranged on the first moving shaft, and the second grinding unit is arranged on the second moving shaft. And the grinding sides of the first grinding unit and the second grinding unit can be arranged opposite to the workpiece fixing unit after moving. The problem that in the prior art, low efficiency and high potential safety hazards caused by manual deburring cannot be overcome, and meanwhile low cost cannot be taken into consideration is solved.

The utility model discloses an auxiliary frame body bushing mounting hole polishing tool, and belongs to the technical field of tools. The tool comprises a rack; the workbench is used for fixing the auxiliary frame to be polished; the rotating mechanism comprises a rotating shaft fixed to the rack, a bearing arranged on the rotating shaft in a sleeving mode and a bearing seat matched with an outer ring of the bearing, the center of the workbench is fixed to the bearing seat so that the workbench can rotate around the rotating shaft, and a cam bearing of the supporting structure is used for supporting the workbench under the condition that the workbench rotates around the rotating shaft; a limiting mechanism; the left handle mechanism and the right handle mechanism are installed on the workbench, and any one of the left handle mechanism and the right handle mechanism comprises a limiting pin capable of ascending and descending, a spring for driving the limiting pin, a guide shaft and a handle; and under the condition that the workbench rotates to the position above the limiting seat, the limiting pin is clamped into the hole of the limiting seat under the action of the spring so as to lock the position of the workbench. According to the tool, through cooperation of a rotating structure, a supporting structure and a limiting structure, workpieces can be overturned without being carried.

This invention relates to a centerless grinding wheel wear correction device, comprising a worktable on which a centerless grinding machine is mounted. The centerless grinding machine includes a grinding wheel and a guide wheel coaxially arranged on the grinding wheel. A support for placing a workpiece is provided between the grinding wheel and the guide wheel. The workpiece can be placed on the support along the axial direction of the grinding wheel. Both the grinding wheel and the guide wheel can reciprocate toward the workpiece. A laser rangefinder, moving synchronously with the grinding wheel, is provided on one side of the grinding wheel. The distance between the measuring head of the laser rangefinder and the axis of the grinding wheel remains constant. This invention features the ability to correct its own position in real time during the grinding process, maintaining close proximity to the workpiece during grinding, ensuring grinding accuracy, and ensuring accurate detection of the grinding wheel position.

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.

According to the grinding allowance automatic halving implementation device and method provided by the embodiment of the invention, in the grinding process of a superhard cutter, the position images of the center of the rotating disc and the to-be-ground blade are detected in real time through the image detection assembly mounted on the cutter rest assembly, and the grinding allowance is automatically halved through the movement and position analysis of the to-be-ground blade around the center of the rotating disc. The position of the center of the rotating disc is found firstly, the error between the center of the rotating disc and the arc center of the to-be-sharpened knife tip is automatically recognized and calculated, and the center of the rotating disc is aligned with the image detection center by controlling the first cross-shaped workbench to move. Meanwhile, the vertical distances between the arc center of the to-be-sharpened knife point and the two linear edges of the to-be-sharpened knife point are equal to the radius of the arc of the to-be-sharpened knife point, and the two linear edges are equally divided in the middle relative to the rotating center of the rotating disc, so that the arc of the to-be-sharpened knife point and the linear edge are tangent and smoothly transited, and the grinding precision of the arc of the knife point is greatly ensured.

The utility model discloses a plate polishing device relates to plate polishing technical field, the utility model discloses a work table still includes: adjusting portion, adjusting portion sets up at the top of work table, configuration portion, configuration portion sets up on work table, adjusting portion includes adjusting assembly, adjusting assembly installs at the top of work table, and lifting assembly, lifting assembly installs at the top of work table. The utility model discloses setting adjusting portion, solved because just with plate random placement on polishing belt, simply rely on the movement of polishing belt to drive the plate forward and complete polishing simultaneously, this operation mode lacks the effective positioning and firm fixation of plate, make plate in the polishing process, when receiving slight external force interference or slight change of self -stress, easy to have position deviation, thereby lead to the overall polishing precision to drop, finally cause the problem of adverse effect to finished product quality.

This utility model discloses an automatic grinding device for a coffee grinder blade, relating to the field of blade grinding technology. The device includes a worktable with a rotating placement disc inside. A rotating mechanism for use with the placement disc is located inside the worktable. A central fixing mechanism is provided on the interior and lower surface of the placement disc. A protective cover is fixedly connected to the upper surface of the worktable, and a first cylinder is fixedly mounted on the upper surface of the protective cover. The output end of the first cylinder passes through the protective cover and is fixedly connected to a mounting bracket. A DC motor is fixedly mounted on one side of the mounting bracket, and the output end of the DC motor passes through one side of the mounting bracket and is fixedly connected to a grinding blade. This application uses a central positioning mechanism to ensure the blade is in a centered position when fixed, effectively improving the stability of the equipment operation. The rotating mechanism facilitates uniform and stable rotation of the blade during grinding, thereby improving the grinding efficiency of the grinding equipment.

The utility model provides a kind of semi-automatic polishing magnetic core inner hole's tool jig, it is related to magnetic core processing technical field, including workbench, for placing to be polished magnetic core;Polishing assembly, it is suspended above the workbench, including pneumatic component and the polishing stick being set on the pneumatic component;Moving assembly, including fixed column, moving plate and handle being set on the fixed column, the polishing stick is set on the moving plate, and the handle is connected with the moving plate by connecting component;Wherein, by pressing the handle to make the moving plate drive polishing stick to the magnetic core movement, so that the pneumatic component is driven the polishing stick rotation by air pipe to carry out polishing to the inner hole of the magnetic core.A kind of semi-automatic polishing magnetic core inner hole's tool jig in the utility model, solve the problem that there is no low cost, high precision and high efficiency's semi-automatic polishing magnetic core inner hole's tool jig in prior art.

The application relates to the grinding technical field, in particular to a roller grinder for steel processing; the grinder comprises a first bed body, a second bed body fixedly connected to the front side of the first bed body, a three-jaw chuck arranged on the left top side of the first bed body and capable of being driven, a concave slide rail arranged on the right top side of the first bed body, a top base slidingly connected to the concave slide rail, a grinding cavity arranged on the side of the second bed body facing the first bed body, a plurality of grinding wheels sequentially distributed and rotationally connected to the grinding cavity from left to right, a square groove penetratingly arranged on the center of the grinding wheel, a driven hole penetratingly arranged on the left inner wall of the grinding cavity, the number of the grinding wheels in use is adjusted by controlling the left rod to synchronously slide with the top base, the combined length of the grinding wheels in use is matched with the length of the rotating surface of the roller, meaningless rotation of the grinding wheel is avoided, the utilization rate of the grinding wheel is improved, the energy consumption is reduced, and the grinding efficiency and the machining precision are ensured.

The utility model discloses a kind of compressor impeller blade top grinding tool, belong to compressor impeller processing field.The tool, including annular fixed plate and transition shaft;The center of the fixed plate is equipped with the through-hole of installation transition shaft, the outer ring of through-hole is equipped with several notches for sliding of bed chuck jaw, it is equipped with several first locating hole, first mounting hole and second mounting hole on fixed plate, through the cooperation of positioning rod and first locating hole, fixed plate is positioned on bed chuck chuck, through the cooperation of first mounting hole, stud, T-shaped block and nut arranged on bed chuck chuck, fixed plate is fixed on bed chuck chuck;The transition shaft fixes impeller, and transition shaft is fixed on fixed plate.The utility model can be separately ground blade top to single impeller blade top, install the tool on multiple ordinary horizontal lathe, then multiple impellers can be simultaneously ground blade top, greatly shorten product manufacturing cycle, and can guarantee grinding accuracy and surface roughness.

The utility model relates to the technical field of metal processing, in particular to a metal processing deburring machine tool which comprises a main body, a part moving clamping assembly is fixedly connected to the top of the main body, and a lifting translation assembly is arranged on the side face of the main body. The motor is used for driving the lead screw to rotate, so that the threaded block drives a part clamped at the top of the machining table board to move, high-precision position control can be achieved through the lead screw transmission mode, and the machining precision is improved through the precise thread pitch design and the high-precision lead screw manufacturing process. The position precision of a part in the moving process can be guaranteed, large thrust and large pulling force can be borne through the hydraulic cylinder, a heavy grinding mechanism can be stably moved and positioned, it can be guaranteed that the lifting position of the grinding mechanism is accurate, and the stability of the grinding process and the surface quality of the part can be guaranteed; and meanwhile, proper stroke and thrust of the hydraulic cylinder can be selected according to the size and the shape of the part.

The utility model relates to steel pipe machining technical field, concretely relates to a steel pipe end portion grinding machine. It includes work platform, and the upper surface of work platform is equipped with guide rail, and the upper surface of guide rail is equipped with recess, and the lateral wall of guide rail is equipped with electric telescopic handle, and the bottom surface of installation board is connected, and the lateral wall of installation board is equipped with clamping subassembly, and the upper surface of work platform is equipped with mount, and the upper surface of mount is equipped with grinding assembly, and the different size steel pipes are fixed through clamping subassembly, and the center of different size steel pipes is kept on the same horizontal line with the center of grinding assembly. The utility model discloses through the ball screw design of the biaxial surface structure V -shaped groove of adaptation different diameter steel pipe, realizes the synchronous relative movement of clamping block through the rotation of torsion block, and the operation is simple and convenient and the clamping force is even, and the geometric self -centering principle is ensured steel pipe axis and grinding assembly alignment, avoids the grinding uneven or damage due to the offset of steel pipe.

The utility model discloses an accurate grinding tool for a generator carbon brush, and belongs to the technical field of carbon brush grinding. Comprising an arc-shaped template and abrasive paper covering the arc-shaped template. A brush carrier is arranged above the arc-shaped template in a sliding mode and slides in the axial direction of the arc-shaped template. According to the utility model, the grinding process of the bottom radian of the carbon brush can be accurately controlled, and the ignition condition of the carbon brush caused by overlarge grinding angle deviation is avoided. Meanwhile, the service life of the generator carbon brush is prolonged, and the self-running-in time after the carbon brush is replaced is reduced, thereby improving the working efficiency.

The application discloses a camera positioning monitoring device for diamond roller polishing, and belongs to the technical field of diamond roller polishing production, which comprises a workbench, a diamond polishing device is fixedly installed on the upper surface of the workbench, and a supporting frame is fixedly installed on one side of the upper surface of the workbench and located at the diamond polishing device; the driving unit is used for controlling the rotation of the threaded rod, the rotation is converted into horizontal linear motion due to the threaded engagement between the threaded rod and the moving block, the moving block moves along the moving frame, the position of the industrial camera is adjusted, the fixed frame is vertically lifted through the electric telescopic rod, the height of the industrial camera is adjusted according to the polishing stage, the adjusting block slides in the adjusting frame and drives the light source emitter to move forward and backward, the device can adjust the position of the industrial camera up, down, left and right in the vertical plane during use, the misalignment caused by equipment vibration or thermal deformation is compensated in real time, and the polishing precision is ensured.

This invention discloses an edge grinding device for piston skirt casting, belonging to the field of piston skirt processing technology. The invention comprises an electric telescopic rod, a movable platform, a T-shaped turntable, a pusher groove, movable balls, rubber ring one, and rubber ring two. The top bar is pulled open by a pin shaft, pushing the clamping top blocks outwards, causing multiple clamping top blocks to tightly adhere to the inner wall of the piston skirt body, completing the automatic centering and clamping fixation of the piston skirt body. After the movable platform drives the piston skirt body to press against the grinding belt, rubber ring one on the outer side of the conical seat and rubber ring two on the outer side of the I-shaped seat are tightly pressed together. Driven by a drive motor, transmission wheels one and two drive the I-shaped seat to rotate. Under the friction of rubber ring one and rubber ring two, the T-shaped turntable drives the piston skirt body to rotate slowly around its own axis, pressing against the grinding belt, thereby achieving comprehensive grinding of the piston skirt body's surface edges.

The utility model relates to the technical field of grinding machines, in particular to a grinding machine roller neck repairing grinding adjusting device which comprises a base and further comprises a supporting frame fixedly connected to the top of the base, a guide rail is installed on the supporting frame, a hydraulic rod is fixedly connected to the guide rail, a bracket is fixedly connected to a piston rod of the hydraulic rod, and a roller is installed on the bracket. The transmission assembly is installed at the top of the base, the roller comprises a roller neck installed on a bracket, a roller body is fixedly connected to the roller neck, the two hydraulic rods are symmetrically arranged, and the brackets are fixedly connected to piston rods; the device can be simultaneously adjusted in the axial direction and the radial direction of the roller, the roller neck coping precision of the roller is ensured, the fit clearance between a bearing and the roller neck is met, the roller neck is rapidly repaired, the roller neck of the roller can be repaired by a roller grinding machine, factory repair is not needed, the efficiency is improved, and the roller repair cost is reduced.

The utility model aims at providing a kind of magnetic shoe inner arc polishing device, including frame body and polishing subassembly, lifting plate is slidably arranged on frame body, polishing subassembly includes base, clamping ring, conical grinding disc and driving part, base is set on frame body, the both ends of clamping ring axial direction are reversibly covered on base, clamping ring is used to clamp several magnetic shoes, to make each magnetic shoe jointly enclose pipe shape structure, driving part is set on lifting plate, conical grinding disc is set on the output shaft of driving part, lifting plate drives driving part to slide down, to make conical grinding disc polish the inner arc edge of pipe shape structure.

The invention relates to the technical field of polishing devices, in particular to a polishing device for flute processing, which comprises an external control part, a mounting part is arranged outside the external control part, an internal polishing part is arranged in the mounting part, a flute fixing part is arranged in the mounting part, and an external polishing part is arranged in the mounting part; when the outer grinding frame moves to the position of the bamboo ring, the punching and grinding frame can stretch out by rotating the rear control frame, the surface of the bamboo ring is pointedly ground, meanwhile, the bamboo ring is prevented from mechanically blocking the movement of the moving frame and the outer grinding frame, it is ensured that the grinding assembly smoothly moves along the outer wall of the flute, and unified grinding of the flute body and the bamboo ring is achieved; the polishing continuity and uniformity of the outer wall of the bamboo flute are guaranteed, and the problems that in the intelligent manufacturing equipment industry, when the polishing assembly moves along the outer wall of the flute to conduct polishing operation, the bamboo ring can mechanically block the polishing assembly, the polishing assembly cannot move smoothly, and then the polishing continuity and uniformity of the outer wall of the flute are affected are effectively solved.

The present invention discloses a multi-angle grinding device for parts used in the manufacture of new energy vehicles, and relates to the technical field of grinding devices. It comprises a grinding table, a plurality of legs are fixedly installed on the lower surface of the grinding table, a support plate is fixedly installed on one side of the grinding table, a transmission structure is installed between the support plate and the grinding table, a dust collection box is fixedly installed on the grinding table, and a dust collection structure and a water spraying structure are installed on the dust collection box. The advantages are: by firmly clamping the parts and grinding their surfaces without dead angles, the grinding force can be self-adjusted for irregular parts and surfaces, the grinding accuracy of the parts and surfaces can be guaranteed, dust removal and cooling can be performed while grinding, and the grinding rate and effect can be improved.

This invention discloses a multi-station pipe surface treatment device, relating to the field of pipe surface treatment technology. To solve the problem of uneven grinding pressure in curved sections of pipes, when the sandpaper extends into the inside of the pipe, the electric telescopic rod is activated to extend it, driving the connecting frame and the central column to move, causing the pull rope to loosen. At this time, the telescopic spring on the side of the lowest first limiting block rebounds, pushing the slider and the first connecting rod to move upward in sequence, achieving stable limiting below the flexible rod. Simultaneously, the telescopic spring on the side of the highest first limiting block rebounds synchronously, driving the lowest second limiting block to move upward. The side arc spring rebounds, pushing the guide plate and the second connecting rod to move upward in sequence, forming a trajectory that matches the curvature of the pipe, limiting the upper part of the flexible rod. This ensures that the sandpaper makes full and uniform contact with the inner surface of the pipe, making the grinding pressure consistent on the inner, outer, and transition areas of the bend.

The utility model belongs to the technical field of steel pipe cutting, and particularly relates to an automobile seat metal steel pipe cutting device which comprises a cutting table and a damping seat for buffering a steel pipe above one end of the cutting table. A fixed seat is arranged above the cutting table, a transfer frame is arranged above the fixed seat, and a cutting knife and a polishing knife are mounted on the inner side of one end of the transfer frame from top to bottom so as to efficiently cut and polish a steel pipe; a fixed seat is arranged on the cutting table, movable seats for clamping a steel pipe are arranged above the fixed seat, the adjacent movable seats are used for improving the mounting stability of the steel pipe so as to prevent deformation, a side seat is arranged on one side of the cutting table, and a transfer frame for driving the cutting knife and the polishing knife to move up and down is arranged in the side seat. According to the utility model, the cutting and polishing processes are combined, so that the working efficiency can be greatly improved to shorten the production cycle, and meanwhile, the size error caused by manual secondary installation is also avoided, so that the production quality of products is guaranteed.

The utility model relates to the technical field of grate polishing, and discloses a grate polishing clamp which comprises a workbench and a moving assembly installed at the upper end of the workbench, a transverse pressing assembly is installed at the upper end of the moving assembly, and a vertical pressing assembly is installed on the rear side of the moving assembly. A vertical pressing assembly is installed at the upper end of the transverse pressing assembly. The transverse pressing assembly, the vertical pressing assembly and the vertical pressing assembly can be moved to required positions together through the moving assembly; the moving distance of the fine adjustment mechanism can be accurately controlled through the fine adjustment mechanism, so that the subsequent polishing precision of the grate is guaranteed; the grate is clamped from the left side and the right side through mutual cooperation of a first clamping block and a second clamping block in the transverse pressing assembly. Different positions of the grate can be pressed from the upper end through the vertical pressing assembly; the edge position of the rear end of the grate can be pressed through a clamping mechanism in the vertical pressing assembly; and the grinding precision is improved.

This invention discloses a concave finned high-efficiency heat-dissipating grinding wheel, comprising a base layer and an abrasive layer. Multiple heat dissipation grooves are evenly spaced on the circumferential arc surface of the abrasive layer, and the inner walls of each groove are semi-circular. Concave fins are symmetrically fixedly connected to the inner walls of each groove near their center. Multiple heat dissipation holes are evenly and continuously formed on both sides of the abrasive layer near their edges, and spiral fins are fixedly connected to the inner walls of each hole. This invention significantly increases the heat dissipation area of ​​the grinding wheel by providing heat dissipation grooves with concave fins on the circumferential arc surface and both sides, thus significantly improving heat dissipation efficiency. It can quickly and effectively dissipate the heat generated during grinding, preventing thermal deformation of the grinding wheel due to excessive temperature, ensuring grinding accuracy and surface quality. Furthermore, the concave fins and heat dissipation grooves are integrally formed, resulting in a simple structure, convenient manufacturing process, and ease of large-scale production and application.

The utility model relates to new energy conductive row production technical field especially a kind of new energy automobile conductive row automatic polishing mechanism, including base, stand, workstation, two groups of electric row fixing device and electric row polishing device, stand is set at the side of base, workstation is set at the other side of base, stand is opposite with workstation, electric row fixing device is set on workstation, electric row polishing device is set on stand, and electric row polishing device and electric row fixing device form polishing station between it;Electric row fixing device includes Y-axis transmission module, fixed platform and electric row fixing tool, Y-axis transmission module is set on workstation, fixed platform is set on Y-axis transmission module, and electric row fixing tool is set on fixed platform.The utility model is through accurate positioning ability, efficient polishing performance and high degree of automation level, improves the efficiency and quality of new energy electric row welding before polishing process.

The utility model discloses a bottleneck polishing device of a bottle production line, which comprises a support frame, the top end of the support frame is fixedly connected with an assembly frame, the top end of the assembly frame is fixedly connected with a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a mounting plate vertically downwards, and the top end of the mounting plate is fixedly connected with a transmission motor. The output end of the transmission motor is fixedly connected with a grinding disc, one end of the top of the supporting frame is fixedly connected with a bottle carrying disc, positioning assemblies are arranged at the two ends of the bottle carrying disc and used for clamping bottle bodies, and each positioning assembly comprises a guide seat, a displacement seat, a positioning frame, a linkage rod, a guide cylinder, a positioning suction cup, a transmission shaft and a transmission screw. The utility model relates to the technical field of bottle production. Through the structural cooperation of the positioning assembly, the side face and the ground of the bottle body can be positioned at the same time through the positioning frame and the positioning suction cup, so that the bottle body is prevented from shaking in the polishing process, and then the overall polishing precision is guaranteed.

The utility model relates to the technical field of polishing device, especially small -size seamless pipe inner repair grinding equipment. It includes installation table body, one pair of installation groove is opened to the top symmetry of installation table body, every installation groove all is provided with transmission assembly, every transmission assembly all is provided with repair grinding auxiliary assembly, and the polishing plate of removable is provided between two repair grinding auxiliary assemblies. The utility model discloses adjustable fixed block through repair grinding auxiliary assembly, and the small diameter seamless steel pipe of different inner diameter is faced, and only needs to carry out fine adjustment to fixed block position through nut and screw rod, makes it and different pipe diameter steel pipe adaptation, and the polishing plate both ends are inserted into the slot fixed, and then realize the polishing of the inner wall of various pipe diameter steel pipe, greatly promote the versatility of equipment processing, satisfy the diversified production demand.