128results about How to "Reduced risk of scratches" patented technology

The invention provides an automatic parking system and method and a vehicle. The automatic parking system includes an environmental information acquisition module, a parking control module, a model correction module and a vehicle control module, wherein the environmental information acquisition module is used for collecting distance data and image information between the vehicle and surrounding obstacles; the parking control module is used for receiving the distance data and image information and establishing a parking environment model to determine a parking space and a parking path; the model correction module is used for receiving an correction instruction of a driver to the parking environment model to establish a new parking environment model to redefine the parking path, and the parking control module issues control instruction according to the redefined parking path; and the vehicle control module receives and executes the control instruction issued by the parking control module, and controls the vehicle to be parked according to the redefined parking path. According to the automatic parking system, the driver updates the parking environment model through the model correction module, so that the accuracy of obstacle type identification and the success rate of automatic parking are improved, and the risk of vehicle scratch is reduced.

The invention relates to a system and a method for calibrating an optical axis of a non-spherical reflecting mirror. The system comprises a first optical path, a second optical path and a third optical path, wherein the first optical path comprises a frame I, a compensator, a laser interferometer I and a PC (personal computer) which are sequentially arranged; the second optical path is characterized in that the compensator in the first optical path is removed, a lens of the laser interferometer I in the first optical path is replaced with a flat standard lens, and an adjustment system is mounted and fixed on a frame II through a mesopore of the non-spherical reflecting mirror; the third optical path is structurally characterized in that a posture adjusting tool in the second optical path is fixedly connected with a lathe rotating shaft, and the laser interferometer II in the second optical path is replaced with an internal focusing telescope. According to the system and the method, the optical axis of the non-spherical reflecting mirror is accurately found out in an optical non-contact manner, and a traditional method for determining the optical axis of the non-spherical reflecting mirror through meter running is abandoned.

The invention discloses a clamping device with a tilting prevention function. The clamping device comprises a body, a rotating table, a base, a static half tong, a movable half tong, a threaded rod and a handle, wherein the body, the rotating table and the base are sequentially connected from top to bottom, the rotating table can rotate on the base, the static half tong is mounted on the body and is integrally connected with one side end of the body, the movable half tong and the static half tong are arranged on the body oppositely, one support is arranged on each of two side surfaces of the body in the length direction, and the supports are located right below the clamping surface of the static half tong and can be vertically adjusted in position. The supports are added, a workpiece can be stably placed on the supports and clamped, the supports can counteract longitudinal external stress borne by the workpiece during polishing or cutting of the workpiece, the resultant external force borne by the workpiece is zero, the workpiece is kept still all the time, the workpiece machining accuracy can be guaranteed, and the risk of scratching on the workpiece surface can be reduced.

The invention provides a test device which comprises a first connecting element, a second connecting element, a first switch element and a second switch element, wherein the first connecting element is used for connecting with a charging device; the second connecting element is used for connecting with a mobile terminal; the first switch element is respectively connected with the first connecting element and the second connecting element and is used for charging the mobile terminal by the charging device when the first switch element is switched on, so that the test device can acquire a charging function data of the mobile terminal; the second switch element and the second connecting element are connected and grounded and are used for grounding an OTG control port of the mobile terminal when the second switch element and the second connecting element are switched on, so that the test device can acquire the OTG function data of the mobile terminal. Thus, the test for the charging function and the OTG function can be completed by only connecting the mobile terminal with the test device, so that the repeated processes of plugging and pulling the connecting wire can be avoided, the test efficiency is increased and the risk of scratching the mobile phone shell can be reduced.

The invention discloses a silicon wafer cleaning machine. The silicon wafer cleaning machine comprises a rack which comprises two cantilevers which are oppositely arranged at an interval; a cleaning basket of which the two ends are respectively arranged on the two cantilevers; a driving mechanism which comprises two cams and two followers matched with the corresponding cams respectively, wherein the two cantilevers are connected with the corresponding followers so as to drive the two cantilevers to move synchronously in an up-and-down reciprocating manner and drive the cleaning basket to movein an up-and-down reciprocating manner. According to the silicon wafer cleaning machine, when the silicon wafers are cleaned, the vibration stability of the bearing basket is good, and the silicon wafers can be well cleaned.

The invention provides a precise metal mask plate. The precise metal mask plate comprises a supporting frame, a metal supporting net and at least one precise metal mask strip, wherein the metal supporting net and at least one precise metal mask strip are arranged on the supporting frame, the precise metal mask strip is located above the metal supporting net, the metal supporting net is of an integrated forming structure, at least one opening region is formed in the metal supporting net, a graphic region is arranged on the precise metal mask strip, the graphical region is located above the at least one opening region and covers at least one opening region, and in the evaporation process, a evaporation material sequentially passes through the opening region and the graphic region forms a preset evaporation pattern on the to-be-evaporated substrate. The metal supporting net integrally formed in the precise metal mask plate is used in the precise metal mask plate, the precise metal mask strips can be supported and the evaporation material can be blocked from passing through the interval between adjacent precise metal mask strips; and the shape of the opening region determines the shapeof the preset evaporation pattern, so that the shape of the pre-set evaporation pattern is determined according to the shape of the opening region, and through the arrangement of the opening region,the precise metal mask plate can be used in evaporation of a special-shaped screen.

A device (200) with a front face (210) such as an operating face, including elements of the user interface (202, 206, 203, 204) of the device, is provided. A substantial part of the front face is concave.

The invention discloses an electric automobile lower body threshold beam structure capable of arranging a chassis pipeline, which comprises a lower body threshold beam main beam body, a cooling pipeline and a brake pipeline, and is characterized in that the lower body threshold beam comprises an upper beam body, a middle beam body and a lower beam body, and the upper beam body is a sectional material structure including two inserting holes, the middle beam body is located on the lower portion of the upper beam body and is arranged to be of a sectional material structure comprising four inserting holes, the lower beam body is located on the lower left side of the middle beam body and is arranged to be of a single-hole sectional material structure, a single-hole cavity is formed in the lowerbeam body, and a horizontal extending plate horizontally extending rightwards is arranged on the lowermost portion of a sectional material of the lower beam body. A U-shaped cavity is formed betweenthe horizontal extending plate and the bottom of the middle beam body. The cooling pipeline is arranged in the single-hole cavity of the lower beam body, and the brake pipeline is fixed in the U-shaped cavity. According to the electric automobile lower body threshold beam structure capable of placing the automobile chassis pipeline, the protection on the cooling pipeline and the brake pipeline canbe enhanced, the risk of being scratched is reduced, a battery pack can be enlarged conveniently, the cruising ability of an automobile is improved, and practicability is high.

The invention relates to a battery positioning clamp. The battery positioning clamp comprises a bearing assembly, guide assemblies and a clamping assembly, wherein the bearing assembly comprises a supporting mechanism and a bearing plate arranged at the supporting mechanism; the supporting mechanism is used for driving the bearing plate to move in a first direction and the bearing plate is used for bearing a battery; the bearing assembly is uniformly distributed with the guide assemblies at the two sides of a second direction perpendicular to the first direction; the guide assemblies are in contact with the two sides, in the second direction, of the battery borne on the bearing plate; the clamping assembly is arranged at one side of the first direction of the bearing assembly, and is provided with a clamping position for clamping the battery; and while the bearing plate moves in the first direction, the battery can be driven to enter the clamping position.

The invention belongs to the field of automatic detection, and particularly relates to an electronic equipment foot pad detector capable of detecting the coplanarity of foot pads. The electronic equipment foot pad detector comprises a detection working table for placing equipment to be detected, and a detection region which is arranged on the detection working table and is made of a transparent material, wherein a touch screen is arranged on the upper side of the detection region; the touch screen is used for receiving pressure information of the foot pads of the equipment to be detected, acquiring coordinate information of the foot pads according to the received pressure information, and transmitting the acquired coordinate information to a control mechanism; a distance measurer for measuring a vertical distance between the foot pads of the equipment to be detected and the detection region and a displacement mechanism for driving the distance measurer to move below the detection region are arranged below the detection region; the control mechanism electrically connected with the touch screen, the distance measurer and the displacement mechanism is arranged below the displacement mechanism. The detector disclosed by the invention has the advantages of short detection time and high detection efficiency, no manual measurement, high detection precision, time saving, labor saving and wide market prospect.

The invention discloses a detection device for detecting the thickness of a semiconductor wafer. The detection device comprises a detection device body, a detection mechanism, a movable conveying mechanism and a positioning mechanism, wherein the detection mechanism is arranged on one side of the detection device body; the movable conveying mechanism is arranged between the detection mechanism and the detection device body, and the movable conveying mechanism comprises a carrying box, wherein a movable carrying disc is arranged in the carrying box; and the positioning mechanism is arranged in the movable carrying disc and comprises a plurality of movable positioning plates. The detection device for detecting thickness of semiconductor wafer is additionally provided with corresponding mechanisms, so that the semiconductor wafer can be automatically positioned, the use convenience of the detection device for detecting thickness of the semiconductor wafer is remarkably improved, the deviation condition of the semiconductor wafer in the detection process is reduced, the detection accuracy of the detection device for detecting thickness of the semiconductor wafer is greatly improved, and the risk that the semiconductor wafer is scratched in the detection process of the detection device for detecting thickness of the semiconductor wafer is reduced.

The invention provides a mechanical arm and a substrate grabbing method. The mechanical arm is used for fetching and placing a substrate in a substrate storage region. The mechanical arm comprises a mechanical arm disc, a contact pad and an absorption device, wherein the contact pact and the absorption device are disposed on the mechanical arm disc. Moreover, when the mechanical arm is used for fetching and placing the substrate, the thickness of the mechanical arm in the substrate storage region is the sum of the thickness of the mechanical arm disc and the thickness of the contact pad. Compared with a conventional mechanical arm, the mechanical arm provided by the invention is small in occupied space in the substrate storage region when the mechanical arm is used for fetching and placing the substrate, thereby reducing the risk in scraping the substrate on the condition that the original precision of the mechanical arm is not changed.

The invention relates to a parking auxiliary system for an automatically-driven car, and belongs to the field of car automatic driving parking steering control technologies. In order to make the automatically-driven car achieve transverse lateral displacement of the non-steering side, the scheme is adopted as follows, a braking force distribution control device, a universal wheel driving device and universal wheels are mounted on the automatically-driven car, and the braking force distribution control device and the universal wheel driving device are connected with a computer; and when parkingor turning-round steering is needed, the braking force distribution control device can distribute braking force generated from a braking force generating system to a braking device of one side of a left steering wheel and a right steering wheel on the automatically-driven car according to an instruction of the computer, the braking force generating system carries out braking on the steering wheelon the side, and the steering wheel on the other side can still drive the car to move, so that transverse lateral displacement of the non-steering side of the automatically-driven car is achieved. The parking auxiliary system for the automatically-driven car can make the automatically-driven car do not need complex, high-difficulty and high-risk front-back movement operation during side parking.

The present invention provides a building escape device mount comprising a main rod connected to a wall via a push rod, the main rod is connected with a pull rod and a hanging rod which stretch out ofa window, and the hanging rod is connected with a downhill device via a suspension ring. An efficient and fast escape device is designed, and safety escape can be achieved in the shortest time by using an escape rope and the downhill device.

The invention relates to a product circulation device. The device comprises multiple mechanical arms which are sequentially and adjacently arranged. Each mechanical arm comprises a main body and a material changing mechanism connected with the main body; each main body is used for driving the corresponding material changing mechanism to act to transfer a product, each material changing mechanism is used for achieving product transmission between two adjacent mechanical arms, each material changing mechanism comprises a rotating shaft connected with the corresponding main body, a mounting baseconnected to the rotating shaft, and a suction nozzle plate connected to the mounting base, the suction nozzle plates are used for bearing and absorbing the product, and meanwhile the invention provides a product circulation method. The device and method have the beneficial effects that the multiple mechanical arms used for transmitting products are provided, each mechanical arm is provided with the main body and the material changing mechanism, the material changing mechanism is provided with the suction nozzle plate used for vacuum absorbing of the product, a production line is prevented from being introduced between the mechanical arms, the production period of each product is shortened, production efficiency is improved, product scraping caused by guide frames on the assembly line canbe avoided, and product quality management and control can be benefited.

The invention belongs to the technical field of semiconductor manufacturing, and particularly relates to a self-cleaning porous vacuum chuck and a preparation method thereof. The self-cleaning porousvacuum chuck comprises a base and a porous metal adsorption plate arranged on the base, a sinking table is arranged in the middle of the base, and the porous metal adsorption plate is clamped in the sinking table; an air suction hole penetrating through the base is formed in the middle of a sinking table of the base, a crossed groove and a plurality of concentric annular grooves extending vertically downwards are formed in the upper surface of the sinking table, and the crossed groove penetrates through the annular grooves and the air suction hole. According to the porous vacuum metal suctioncup, the PTFE anti-sticking coatings are deposited on the surfaces of the criss-cross channels in the porous metal adsorption plate and the ventilation grooves in the cavity of the suction cup base, and the problems that micropores of an existing mainstream porous vacuum ceramic suction cup are prone to blockage and not easy to clean can be solved.

The invention belongs to the technical field of vacuum suction discs, and particularly relates to a self-cleaning detection device and method for a porous vacuum suction disc. The self-cleaning detection device of the porous vacuum suction disc comprises a vacuum generator, which is provided with three interfaces which are connected with a first connecting pipe, a second connecting pipe and a third connecting pipe respectively, wherein the tail end of the first connecting pipe is connected with a compressed air filtering and pressure reducing valve, the tail end of the second connecting pipe is communicated with the atmosphere, the tail end of the third connecting pipe is connected with the exhaust hole of a porous vacuum suction disc, the third connecting pipe is connected with an electronic pressure gauge, and the compressed air filtering and reducing valve is connected with an air compressor through a fourth connecting pipe. By adopting the detection device and the detection methodprovided by the invention, the self-cleaning performance of the porous vacuum suction disc can be well and accurately detected.

The invention discloses a device for maintaining and cleaning the cutting part of a numerical control machine tool, which comprises an annular shell, a guide rail cavity, a mounting rod, a mounting flange, an arc-shaped sliding table, an L-shaped rod, a cleaning air jet head, an adjusting rod, and a driving motor , Motor spindle, Z-shaped rod, fixed plate, high-pressure air pump, PVC hard pipe, rubber hose, fixed connecting rod and LED light strip. The structure design of the present invention is reasonable, and the guide rail cavity of the ring structure is used as the sliding track of the arc-shaped sliding table. When the arc-shaped sliding table slides inside the guide rail cavity, the 360° no dead angle cleaning of the CNC cutting position is realized, and the daily maintenance of the machine tool is reduced. To reduce the workload, avoid scrap iron chips on the cutting parts of the CNC machine tool during or after cutting, and continue to clean the processing parts during the processing process, effectively avoiding the scrap iron chips falling between the workpiece and the tool, reducing the The risk of scratches on the surface of the workpiece, the ring-shaped LED light strip can provide the operator with a better penetrating vision and eliminate the dead angle of observation.

The invention discloses a mobile phone shell protective sleeve and a machining method thereof. The mobile phone shell protective sleeve comprises a bottom sleeve and a cover plate, wherein the bottomsleeve and the cover plate are connected through a connecting belt, the bottom sleeve comprises a shell sleeve and a bottom plate, the cover plate comprises an upper-layer plate, a middle-layer plateand a lower-layer plate, and the upper-layer plate, the middle-layer plate and the lower-layer plate are subjected to in-mold injection molding to form a whole face cover; and the upper layer plate ismade of a PET sheet which is made of an outer surface and is subjected to AF treatment, the PET sheet which is coated with rubber paint is sprayed on the surface of the lower-layer plate; and the middle plate is a straight plate with high hardness, and the main material is made of PMMA or ABS or PC materials, the edge of the plate surface of the middle layer plate is provided with a fitting position, and the bottom sleeve and the cover plate are bonded together through PU leather materials. According to the mobile phone shell protective sleeve, the display area of a mobile phone screen or electronic products can be effectively protected, the components of the products can be decomposed, the products are subjected to surface treatment in a batch and specialized mode, the production efficiency can be effectively improved, and the production turnover cost can be reduced.

The invention relates to a novel power distribution box. The novel power distribution box comprises a box body, a box cover and a storage box; the box cover is hinged to one side of the box body; thestorage box is fixedly connected to the top of the box body; the box body is formed by welding an upper side plate, a lower side plate, a left side plate, a right side plate and a bottom plate; the left side plate of the box body is hinged with a box cover; heat dissipation openings are formed in the left side plate and the right side plate respectively; each heat dissipation opening is provided with a heat dissipation cover which can be freely opened and closed; the surface of the lower side plate is provided with a main fuse, a circuit breaker, a fault detector and an alarm; the box cover ishinged to the left side plate; an observation window is formed in the middle-upper part of the box cover; sliding grooves are formed in the two sides of the bottom face of the storage box; and drawers are movably connected to the sliding grooves. The power distribution cabinet is simple in structure and good in power distribution effect and has an alarm function; common tools can be stored in thestorage box and are convenient to take and use, which enables high practicability; and in addition, the four corners of the power distribution box are each of an arc-shaped structure, so that the risk of scratching is reduced.

The invention discloses a machining device for saw cutting and milling grinding. A supporting box is included. A first beam is arranged on the left side in the supporting box. A front motor is arranged on the first beam. The right side of the front motor is connected with a front rotation shaft. The right side of the front rotation shaft is arranged on a second beam through a bearing block. The second beam is transversely arranged on the supporting box. The left end and the right end of the front rotation shaft are provided with an upper belt wheel and a front half circular gear correspondingly. The first beam is provided with a rear motor located on the rear side of the front motor. The right side of the rear motor is connected with a rear rotation shaft. The right side of the rear rotation shaft is arranged on the second beam through a bearing block. The device is simple in structure and convenient to operate, when the device works, after saw cutting is finished, the cutting face canbe subjected to milling grinding, and the risk of personnel scratching through burrs is reduced; and meanwhile, the workpiece surface is more brighter, cleaner and smoother, milling grinding and sawcutting are separated, and milling grinding can be conducted after multi-time saw cutting.

The invention provides a method for processing a non-metalized semi-hole board, characterized by comprising the following steps: performing a front process, drilling, performing PTH, forming an outer-layer circuit, performing pattern plating, etching, forming a solder mask, forming characters, stamping and performing a later process. The method converts semi-hole data onto a shape mould, so that aprocess of forming a semi hole after the pattern plating and before semi hole forming is eliminated, a scratch hidden danger is reduced, and quality influence attached by the solder mask and due to the semi hole is also reduced; and in-board hole location is adopted, and one-step moulding by virtue of a mould is realized, so that the effect that semi hole accuracy can reach up less than minus orplus 0.05mm is guaranteed.

The invention discloses a surgical instrument. The surgical instrument comprises a steering knuckle, an operation main body, an execution piece and a traction unit; the steering knuckle is provided with a first steering area and a second steering area which are connected in a pivoted mode and can deflect around a first axis or a second axis. The first steering area is provided with a first steering section, the traction unit comprises a first traction rope assembly and a second traction rope assembly, the first traction rope assembly is connected with the operation body and the first steering section, and the first steering section can deflect around a first axis and / or a second axis; the second steering area is provided with a second steering section, the second traction rope assembly is connected with the operation body and the second steering section, and the second steering section can deflect around the first axis and / or the second axis. The two steering areas deflect respectively, when one steering area reaches the deflection limit and still cannot reach the surgical site, medical staff can control the other steering area to deflect and finally reach the surgical site, the overall position of the surgical instrument does not need to be adjusted, and the overall moving range is reduced.

The invention discloses a circuit stacking structure, wherein the circuit stacking structure includes a wire layer, a supporting part and a protection layer. The wiring layer includes a plurality of metal wires arranged separately, and the supporting parts are respectively located in the gaps between any two adjacent metal wires, and are electrically insulated from the metal wires. The protection layer covers the wire layer and the supporting part, and through the support of the supporting part, the area corresponding to the supporting part on the top surface of the protective layer is flush with the area corresponding to each metal line.

The invention relates to the technical field of building materials, and discloses a film-coated aluminum alloy formwork and a film coating technology thereof.The construction face of an aluminum alloy formwork body is sequentially provided with an adhesion layer, a toughening layer and a high-strength lubricating layer; the technology comprises the steps that laser drilling is conducted on the aluminum alloy formwork, raw materials of the adhesion layer are heated to 190-200 DEG C, and the raw materials are evenly sprayed to the construction face of the aluminum alloy formwork; the raw materials of the toughening layer are heated to 190-200 DEG C and evenly sprayed to the construction face of the aluminum alloy formwork; mixing titanium-based / nickel-coated aluminum powder, aluminum oxide powder, graphite powder and polypropylene powder, heating to 190-200 DEG C, uniformly stirring, adding glycerol, uniformly stirring, naturally cooling to 70-80 DEG C, adding a defoaming agent, a dispersing agent and hydrophobic powder, stirring at 70-80 DEG C for 40-60 minutes, heating to 190-200 DEG C after stirring, spraying on the toughening layer, and drying to obtain the titanium-based / nickel-coated aluminum composite material. And then placing in an environment of 120-140 DEG C for standing. When the aluminum alloy formwork is scratched and rubbed, the aluminum alloy formwork has high toughness and hardness, and the risk that the construction face of the aluminum alloy formwork is scratched is reduced.

The invention discloses a durian shell opener, and belongs to the technical field of life tools. The durian shell opener comprises a first assembly, a second assembly and a pin shaft; the first assembly comprises a first handle, a first connecting part and a first opening arm; the first opening arm is arranged at one end of the first handle, and the first connecting part is arranged at the side, facing the second handle, of the first handle; the second assembly comprises a second handle, a second connecting part and a second opening arm; the second opening arm is arranged at one end of the second handle, and the second connecting part is arranged at the side, facing the first handle, of the second handle; the first connecting part and the second connecting part are in hinged connection through the pin shaft; when the first handle and the second handle move oppositely, the included angle formed between the first opening arm and the second opening arm is gradually increased. The opener can open a durian shell with small force and is small, practical and capable of being operated by one hand, the risk that the hand is scratched by the durian shell is lowered, cleaning is convenient, and the probability that pulp is stained by bacteria is lowered.

The invention provides a parking information processing method and device and parking space equipment. The parking information processing method comprises the steps of obtaining the wheel parameter information of a to-be-parked vehicle, the current relative position relation between the to-be-parked vehicle and a target parking space, and the entrance center point of the target parking space, wherein the wheel parameter information comprises a wheel base between front and rear wheels, a first midline point between the two front wheels, a second midline point between the two rear wheels and a current steering angle of the front wheels of the to-be-parked vehicle relative to a vehicle body, determining a current pre-judgment path corresponding to the current steering angle according to the wheel base, the first midline point, the second midline point and the current steering angle, determining a current target steering angle according to the wheel base, the first midline point, the second midline point, the current steering angle, the current relative position relation and the entrance center point, and sending the current pre-judged path and the current target steering angle to a preset terminal. According to the scheme, the problem of high implementation cost of a parking guide scheme is solved.

The invention discloses a metal grid flexible conductive film and a manufacturing method thereof, the metal grid flexible conductive film comprises a base material, a catalyst layer is arranged on the surface of the base material, a protective layer is arranged on one side, away from the base material, of the catalyst layer, and a metal grid is arranged between the catalyst layer and the protective layer. The circuit pattern is formed through exposure and development of the photoresist, the line width of the metal grid and the distance between the adjacent circuits can be accurately controlled, and the effects of good touch control and vision are achieved; the thickness of the metal layer is accurately controlled by using a chemical copper plating process, so that the conductive film product is light and thin; the metal layer is generated in the groove in the photoresist layer, so that the risk that the copper circuit is scratched by the transmission roller in the roll-to-roll production process can be effectively reduced, the conductivity of the metal circuit is ensured, the protective layer formed by coating the outermost layer plays a role in protecting the whole circuit, and the stable product performance is ensured.

The invention belongs to the technical field of tooth extraction devices, and particularly relates to an auxiliary dentarpage for department of stomatology, which comprises an auxiliary handle, a tooth extraction assembly and a connecting device, a plurality of containing cavities are evenly formed in the outer surface of the auxiliary handle, a fixing groove is formed in one end of the auxiliary handle, and a hanging ring is fixedly connected to the other end of the auxiliary handle; an electromagnet is fixedly connected to the middle of the inner surface of the fixing groove, and the electromagnet is controlled by a controller installed on the outer side of the auxiliary handle. According to the invention, a required tooth extraction assembly is mounted on the auxiliary handle for standby application, and when the tooth extraction assembly is in use, the fixed handle is rotated, so that the fixed handle is embedded into the fixed groove and is fixed; various fine tooth extraction instruments are integrated together through the auxiliary handle, so that a dentist does not need the assistance of others when replacing the tooth extraction equipment, and the operation is more convenient; in addition, the risk of scratching caused by falling is also reduced, and damage caused by collision between the working end of the tooth extraction instrument and external articles is further avoided.

The automatic adjusting type multi-diameter axial surface polishing machine comprises a bottom frame, a reduction gearbox is fixedly installed on one side of the top of the bottom frame, a second motor is fixedly installed on the side, close to the reduction gearbox, of the bottom frame, an output shaft of the second motor is connected into the input end of the reduction gearbox, and a chuck is installed at the output end of the reduction gearbox; a movable clamp is installed on one side of the top of the bottom frame, a polishing device is installed on the other side of the top of the bottom frame, a supporting mechanism is installed in the middle of the interior of the bottom frame, the top of the supporting mechanism extends to the outer side of the top of the bottom frame, and the angles between two rotating plates and a connecting frame can be adjusted by starting and stopping two fifth motors. By means of the device, the outer surfaces of different diameters on one shaft can be polished at the same time, particularly, the joints of steps of different diameters of the same shaft are effectively polished, and the phenomenon that when a polishing belt passes through the edges and corners of the steps, the edges and corners are excessively polished, and the machining precision of a workpiece is affected is avoided.