16308results about How to "Height adjustable" patented technology

The invention provides a locking adjusting mechanism of drawer slide rails. The locking adjusting mechanism comprises a connecting seat arranged on the bottom surface of a drawer, wherein the connecting seat is rotatably connected with a lock rod; a lock bolt is arranged on one end of the lock rod and is fastened together with the slide rails, and a handle extends from the other end of the lock rod; the lock bolt is separated from the slide rails through a pressing handle and is equipped with an oblique guide surface corresponding to the slide rails; a stepped locking part (more than two steps) is arranged in the back of the guide surface and is fastened together with lock holes of the slide rails; the lock rod is arranged on a brace of the connecting seat through a locating hole at the middle part of the lock rod, and a fixture is arranged between the lock rod and the brace; and the brace is equipped with an elastic member. The locking adjusting mechanism provided by the invention is characterized in that that the lever-type lock rod is arranged on the connecting seat and is fastened together with the drawer slide rails, and the lock rod can generate large locking force; and the mechanism has the characteristics of being quick in assembly and low in manufacturing cost.

The invention relates to the field of machining equipment, in particular to a movable clamping working table for round steel machining. The movable clamping working table comprises a table top, a rotating table, a two-way lead screw and a movable bracket, the upper surface of the table top is rotationally connected with the rotating table, a sliding groove is formed in the upper surface of the rotating table, the two-way lead screw is mounted inside the sliding groove, the outer side wall of the rotating table is fixedly connected with a clamping motor, the movable bracket sleeves the two-waylead screw, a guiding groove is longitudinally formed in the side wall of the movable bracket, a lifting lead screw is arranged in the guiding groove, a lifting block sleeves the lifting lead screw, and a clamping mechanism is mounted on the side wall of the lifting block. By arranging the two-way lead screw and the movable bracket, the end of round steel is clamped by a clamping plate to completeclamping action, the clamping speed is high, the working efficiency is greatly improved, by arranging the lifting block and the lifting lead screw, the height of the round steel can be adjusted according to the actual machining needs, and by arranging universal wheels capable of rising and falling, the movable clamping working table can be conveniently pushed to move.

A multi-purpose fitness apparatus. The apparatus includes an extendable base, a height-adjustable weight-supporting frame, a resistance assembly providing adjustable resistance, an exercise mechanism, a detachable bench assembly, and a connecting mechanism connecting the exercise mechanism to the resistance assembly. The resistance assembly includes a supporting frame having a lower resistance support and an upper resistance support that is slidably coupled to the lower resistance support. A top spring-attachment member is mounted on the top end portion of the upper resistance support. A bottom spring-attachment member is moveably coupled to a vertical track member mounted on the lower resistance support. The movement of the bottom spring-attachment member is resisted by resistance from one or more resilient resistance members detachably affixed to the spring-attachment members. The amount of resistance is adjustable by selecting the number of the resistance members affixed.

The invention provides a producing method of a visualized website template. Custom multi-layer level nest modified layout and cross-level module drag and drop can be operated, visualized editing can be operated to visualized controls, a sharing master base can be rapidly introduced to operate rapid template production which can be repeatedly invoked when a following template is produced; meanwhile, JavaScript (js) is adopted to operate dom elements which operate a hypertext markup language (HTML) in real time, and the visualized control modules can be dragged and arranged to replace the elements in the HTML. Compared with the traditional code editing template or the template production in the way of operating an extensive markup language (XML) and reading a data base in real time, the producing method has the obvious improvement in easy usability and real-time performance, and if a module is added, only setting up a document and adding IH and IF codes are needed, so that the simplified, fast and convenient module expansion function is realized.

The invention discloses a multi-degree-of-freedom two-wheeled robot with a variable gravity center. The robot is remodeled on the basis of a common two-wheeled robot; two degrees of freedom are increased to change the gravity center, so that the balance of a two-wheeled vehicle is preferably maintained in the motion. One degree of freedom is that the two-wheeled robot is integrally inclined to balance the centrifugal force of the two-wheeled robot during turning; during rapid turning, the two-wheeled robot can overcome the centrifugal force through adjusting the inclination angle of the robot, so that the robot more smoothly finishes the turning action; the other degree of freedom is that a slide block is born on the two-wheeled robot; and through adjusting the position of the slide block on an article carrying plate of the robot, the position of the gravity center is changed, so that the climbing action of the robot is controlled more easily and greater stability of the robot during climbing is obtained.

The invention provides a lifting workbench. The lifting workbench comprises a lower support and an upper support. At least one set of X-shaped lifting mechanism is arranged between the lower support and the upper support. The lifting workbench further comprises elastic components, the first end of each elastic component is connected to the position between two endpoints of a corresponding first supporting rod or a corresponding second supporting rod, and the second end of each elastic component is connected to the lower support or a second hinged base capable of sliding relative to the lower support. The elastic components are used for offsetting or partially offsetting the weight borne by the upper support. According to the lifting workbench, the elastic components are used for providing supporting force and offsetting or partially offsetting the weight borne by the upper support, in this way, the workbench can stay at any height, the structure is simple and cost is low. Moreover, the X-shaped lifting mechanisms are adopted, the front-back position of the upper support cannot be changed in the lifting process of the upper support, and practicability is achieved.

A master end operator device of a master slave minimal invasive blood vessel interventional surgical assistant system is characterized by comprising an axial force feedback damper unit, a torsion feedback output unit, a clamp unit, an operation information unit, a catheter, a linear guide rail and a height-adjustable base; a work method of the device comprises detection, transmission, processing and action of signals; the device has the advantages that the catheter is directly operated, and the ergonomic demands are met; real-time and intuitive feedback is realized, and the surgical safety and operation demands of a doctor are met; axial operation information is obtained by a friction-free magnetic induction mode, and efficiency is realized without adding the load; the height is adjustable.

The invention discloses a virtual reality rehabilitation training system and method. The system comprises a motion capture device, a mobile device and a processor. The processor is installed in the mobile device to form an integrated bedside device, and the processor is connected with the motion capture device. The motion capture device is used for acquiring patient's limb motion data in real time. The processor comprises a data receiving module, a processing module and a displaying module. The data receiving module is used for receiving the limb motion data. The processing module is used for emitting a driving signal, and assessing training on a patient according to the limb motion data to obtain an assessment result. The display module is used for displaying changes of three-dimensional human model's actions in real time according to the driving signal, and the assessment result. The mobile device comprises a device main body and a mobile mechanism connected at the lower end of the device main body, the device main body is provided with a height adjusting mechanism used for adjusting the height of the device main body. The virtual reality rehabilitation training system is low in cost, small in land occupation and convenient to move, so the system can be disposed beside a patient's bed.

The invention relates to hole drilling equipment, and in particular relates to a hole drilling device for processing of a circuit board. The hole drilling device for the processing of the circuit board is convenient to operate, high in hole drilling efficiency, and uniform to drill holes. The device comprises a left rack, an air pump, a bottom board, a supporting rod, a lifting device, a moving device, a swinging device, fixed devices, a positioning board, a drill bit, a rotating motor, etc., wherein the left rack is welded at the left side of the top part of the bottom board; the lifting device is welded to the upper part of the right side of the left rack, and the moving device is welded at the right side of the lifting device; the rotating motor is welded at the bottom part of the moving device, and the drill bit is welded at the lower end of an output shaft of the rotating shaft. According to the hole drilling device for the processing of the circuit board, a rocking handle is rotated to drive a first rotating shaft to rotate, and a first bevel gear is driven to rotate by the first rotating shaft through a second bevel gear, and finally a nut is driven to move up and down by the first bevel gear through a lead screw.

The invention provides a wing sail which comprises a mast main body, a sail face and at least one telescopic mast. The telescopic mast can move up and down along the mast main body. The sail face is supported by an upper framework and a lower framework, the upper framework of the sail face is fixedly connected with the telescopic mast, and the lower framework of the sail face is fixedly connected with the mast main body. The invention also provides a ship with the wing sail, which comprises an engine and an engine speed regulating device. The ship also comprises a detection device for detecting signals of wind velocity and wind direction, a revolution speed transducer for acquiring the actual revolution speed signals of the engine and a central control system. The central control system is used for calculating the sail angle of the wing sail and the revolution speed of the engine according to the wind velocity and wind direction information acquired by the detection device, controlling the rotation of the mast main body of the wing sail to adjust the sail angle of the wing sail and controlling the speed adjustment device to adjust the revolution speed of the engine. The wing sail and the ship with same have the advantages of energy saving and high safety.

The invention discloses an environmental-friendly stone polishing device with dedusting and damping functions. The environmental-friendly stone polishing device comprises a first booster pump, a water storage tank, a slide clamping block, a filter layer, a second booster pump and a damping material layer. Water in the water storage tank is sprayed out of cleaning spray nozzles after passing through a first water guide pipe through the first booster pump to clean stone dust generated in the stone polishing process, and the situation that the stone dust flies apart to pollute the environment is avoided; the distance between the slide clamping block and a fixed clamping block can be controlled by adjusting the position of the slide clamping block in a slide groove; the filter layer is arranged and used for filtering the dust in sewage, and the filtered sewage is conveyed to the water storage tank through a second water guide pipe by further utilizing the second booster pump, and recycle of water resources is achieved; and the damping material layer is arranged and used for adsorbing vibration generated by a box during stone polishing, and a protective effect is achieved on the box.

The invention discloses a radial drilling machine convenient to adjust. The radial drilling machine convenient to adjust comprises a base, a rotary device, a horizontal moving device, a drilling head fixing device, a lifting device and a working table. The rotary device is fixedly arranged at the top part of the base; the horizontal moving device is fixedly connected onto the rotary device; the rotary device drives the horizontal moving device to rotate; the drilling head fixing device is fixed onto the horizontal moving device; the horizontal moving device drives the drilling head fixing device to move in a horizontal direction; the lifting device is arranged on the base and controls the working table to move up and down; and the rotary device provides a support for moving the working table up and down. According to the radial drilling machine convenient to adjust provided by the invention, a drilling head in the radial drilling machine can be quickly and stably moved horizontally and rotated, and the height of the working table can be quickly adjusted, so that the radial drilling machine not only is convenient for operating personnel to use, but also can be beneficial for improving the finish machining accuracy.

The invention discloses a vertical automatic massaging and hair washing machine which is used for massaging the head and washing the hair and belongs to massaging and hair washing tools. The vertical automatic massaging and hair washing machine comprises a supporting frame, a controller, a mechanical arm and a mechanical arm driving motor. The controller is installed on the supporting frame. The supporting frame is connected with the mechanical arm driving motor. The tail end of an output shaft of the mechanical arm driving motor is connected with an obliquely-arranged driving plate. The driving plate and the mechanical arm are connected through an eccentrically-arranged driving lever. Mechanical fingers, hot water nozzles and shampoo nozzles are evenly distributed on the inner surface of the mechanical arm. The hot water nozzles and the shampoo nozzles are communicated with a water supplying system and a shampoo supplying system respectively through pipelines. The controller is respectively connected with the mechanical arm driving motor, the water supplying system and the shampoo supplying system. According to the hair washing machine, the hair can be washed, cleaned and massaged automatically and the hair washing machine is used by special groups who are old or weak or ill or disabled conveniently and rapidly. The hair washing machine is simple in structure, low in price and capable of being widely applied to common families and avoiding knotting of the hair when the long hair is washed.

The invention discloses a spraying-height-adjustable pesticide mixing and spraying device. The device comprises a base, and a mixing box is arranged on the base; a left support plate and a right support plate are arranged on the left side and the right side on the top of the base respectively, a first reduction motor is arranged on the top of the left side wall of the left support plate, a motor shaft at the right end of the first reduction motor is connected with a rotary shaft, a rotary plate is installed at the right end of the rotary shaft, a pin shaft is arranged on the top of the right end surface of the rotary plate and rotationally connected with a connecting rod, a lifting plate is hinged to the bottom of the connecting rod, and the left side on the bottom of the lifting plate isrotationally connected with a screw rod through a plummer block. The bottom of the screw rod penetrates through the top of the mixing box and is provided with stirring blades, a limiting plate is fixedly arranged between the left support plate and the right support plate through a support, and a telescoping screw rod penetrates through the limiting plate and is in threaded connection with the limiting plate. The spraying-height-adjustable pesticide mixing and spraying device is simple in operation and convenient to control, the screw rod moves up and down through the rotation of the rotary plate, and the screw rod forwards and reversely rotates while moving up and down, so that pesticides are evenly mixed through the stirring blades, and the pesticides are prevented from being precipitated.

The invention discloses a three-dimensional (3D) printer which comprises a rack, a base, an X-axis movement system, a Y-axis movement system, a Z-axis movement system and a printing device, wherein the rack comprises a left upright post, a right upright post, an upper connecting plate and a lower connecting plate; the upper connecting plate and the lower connecting plate are connected with the left upright post and the right upright post, respectively; the base is connected with the lower connecting plate; the upper connecting plate is connected with a printing supplies connecting rack; the printing supplies connecting rack is connected with a printing supplies fixing disc; the printing device is connected with the X-axis movement system; the X-axis movement system is connected with the Z-axis movement system; the Z-axis movement system is connected with a guide rail of the left upright post and the right upright post; the Y-axis movement system is connected with the base; the X-axis movement system is provided with an X-axis movement guide rail through which the printing device moves; a power supply and a controller which are connected with each other are arranged at the bottom of the base; the controller is connected with the X-axis movement system, the Y-axis movement system, the Z-axis movement system and the printing device. The 3D printer is simple and compact in structure, small in size and low in manufacturing cost.

The invention discloses a single-manipulator automatic ultrasonic non-destructive detection device which comprises the following components of an industrial control machine, a manipulator device, an ultrasonic transmitter-receiver set, a water coupling device and an auxiliary device, wherein the manipulator device comprises a joint-type six-degree-of-freedom manipulator, a manipulator controller, a power supply and a signal integrated wire cable; the ultrasonic transmitter-receiver set comprises a phased array ultrasonic transducer, an ultrasonic pulse transmitter-receiver card and a high-speed data collecting card; the water coupling device comprises a water spraying nozzle, a pressure stabilizing and flow stabilizing water pump and a flexible guide pipe; and the auxiliary device comprises a camera, a monitor, an adjustable workpiece support and a water recycling groove. The device is suitable for ultrasonic reflection method detection of workpiece thin layer and front surface; compared with the traditional device, the device can implement automatic ultrasonic detection of complex and irregular curve surfaces, has high detection efficiency, has very wide part adaptability and system flexibility, and has wide industrial application prospect.

The invention discloses a shock-resistant petroleum pipeline fixing base. The shock-resistant petroleum pipeline fixing base comprises a base body and a supporting seat which is located above the base body. A groove is formed in the side wall of the base body. The shock-resistant petroleum pipeline fixing base further comprises an adjusting screw rod arranged in the groove, at least three holes are formed in the upper surface of the base body, and the lower ends of the holes are communicated with the groove. The shock-resistant petroleum pipeline fixing base further comprises racks fixed at the bottom of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises gears which are sequentially fixed on the adjusting screw rod, and the gears are meshed with rack bodies on the racks. The shock-resistant petroleum pipeline fixing base further comprises elastic devices arranged on the two sides of the upper surface of the base body, one ends of the elastic devices are connected with the upper surface of the base body, and the other ends of the elastic devices are connected with the lower surface of the supporting seat. A semicircular groove is formed in the upper surface of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises a petroleum pipeline arranged in the semicircular groove. According to the shock-resistant petroleum pipeline fixing base, due to the arrangement of the racks and the adjusting screw rod, the height of the base body can be adjusted; the elastic devices with one ends connected with the upper surface of the base body and the other ends connected with the lower surface of the supporting seat achieve a certain damping effect on the base body.

To provide a refrigerator that has excellent storage efficiency and convenience. The refrigerator (51) includes a refrigerator compartment (53) having an opening in a front plane, in which items are stored, and a shelf plate (80) disposed to span between the left side-surface and the right side-surface of the refrigerator compartment (53) in a bridging manner, and having different horizontal depths on the left and right. With this, the inoperative space present in the refrigerator compartment (53) can be filled up by a horizontally deep portion of the shelf plate (80), and the two storage areas of the shelf plate (80), that is, the horizontally deep area and the horizontally shallow area can be used separately.

The invention provides a goods delivery management method and system, a server and a goods delivery robot. The goods delivery management method comprises the steps that S10, the server receives an order delivery request sent by an intelligent terminal and records the receiving time of order delivery requests; S20, the server stores the order delivery requests into an order list; S30, the goods delivery robot with the delivery ability is identified from a goods delivery robot list through the server to serve as the current goods delivery robot; and S40, the delivery task corresponding to the first order delivery request with the earliest receiving time in the order list is distributed to the current goods delivery robot through the server. Efficient goods delivery is achieved, and the manpower resource is saved.

The invention relates to a device and method for preparing a large-size high-quality graphene single crystal. The device comprises a shell and a top cover. The top cover is internally provided with a gas spray head with a gas distributing pipe so that inlet high-purity gas can enter a reaction cavity in an evenly-distributed mode. The reaction cavity is composed of sealed silica pipes, a graphite heating element connected between the two sealed silica pipes in an inserted mode and a graphite crucible placed in the graphite heating element. The graphite crucible is used for containing a SiC wafer substrate. A cooling water system and an intermediate frequency coil are arranged outside the graphite heating element. A gas outlet is formed in the bottom of the shell. The invention further provides the method for preparing the large-size high-quality graphene single crystal on the SiC substrate. By means of the device and method, the migration rate of the high-quality graphene crystal prepared on the SiC substrate is higher than that of graphene prepared through a SiC high-temperature pyrolysis method by 1-2 orders of magnitudes.

The invention provides a penetration coefficient determination apparatus for a permeable asphalt concrete track board test piece, and a test method thereof. The determination apparatus comprises a test device and a water supply device, and the test device comprises a workbench, an overflow water tank, an upper sleeve, a lower sleeve, two flanges, an electronic thermometer and a measuring cylinder; the outer sidewall of the upper sleeve is provided with water overflow ports connected with the inside of the upper sleeve, the two same flanges are provided with a ring of a slot, and the two flanges and the sleeve are cemented to form an integral body; the lower sleeve is connected through the overflow water tank, and the overflow water tank is provided with an overflow port and a water drainage port; the test piece is placed between the two flanges, a rubber sealing pad is arranged between each of the flanges and the test piece, the flanges are provided with screw holes, and the test piece is fixed through allowing long bolts to traverse through the screw holes and through using nuts; and the water supply device comprises a water storage barrel, a water pump and a power switch. The apparatus has the advantages of reasonable structure, simple operation, satisfactory solving of the seepage problem of the side wall, realization of flexible control of hydraulic gradient, and reasonable and reliable determination result.

The invention discloses a brick paving device for sidewalks of municipal buildings. The brick paving device comprises a tank body, wherein a stirring tank is fixed at one side of the inner wall of the tank body, a partition board is fixed between two sides of the inner wall of the stirring tank, and a material pump is fixed at the top of the partition board; a material falling device is fixed at the bottom of the inner wall of the tank body, and a discharging hole of the material pump is communicated with the material falling device through a flexible pipe; a material smearing device is fixed at the bottom of the inner wall of the tank body, and a brick paving channel is formed in the right side of the material smearing device; a fixing frame is fixed at the top of the inner wall of the tank body, and a brick clamping device is mounted on the fixing frame; and a crawler belt conveying device is fixed on the inner wall of the tank body, and a brick smoothening plate is mounted below the crawler belt conveying device. The invention relates to the technical field of municipal constructions. The brick paving device can be used for uniformly paving cement and brickworks and is integrated with stirring and paving functions, and the manual paving is omitted, so that the use of labor force is saved, and the construction efficiency of a project is greatly improved.

The invention provides a device for causing damage to an experimental animal, which comprises a platform and an altitude controller arranged on the platform, and further comprises a striking component, a horizontal bracket and a vertical bracket; the striking component comprises a striking bar, a striking head, a guiding pipe, an electromagnet, a power and a switch; the guiding pipe, which is an open-ended through-tube, is fixed on the horizontal bracket; a cover of the striking bar is arranged in clearance fit with the guiding pipe; one end of the striking bar is connected with the striking head, and the other end of the striking bar is made of ferromagnetic materials and arranged in the magnetic field produced by the electromagnet; the electromagnet and the power are electrically connected with the switch; the altitude controller and the vertical bracket are vertically connected with the horizontal bracket; and the electromagnet is fixed on the vertical bracket. The device causes fixed-point and fixed-amount damage to animal tissue such as spinal cord, reduces artificial errors through mechanized operation, and enhances the repeatability of an experiment.

The invention discloses a multifunctional mahjong table comprising a base and a multifunctional table top, wherein the height of the base is adjustable; the base comprises a bracket and a plurality of telescopic table legs, wherein the bracket and the table legs are all in frame structure made of stainless steel material; the periphery of the bracket is evenly distributed with table leg sleeves sheathed on the table legs; the multifunctional table top comprises a mahjong table top fixed on the bracket, dismountable side plates and a dismountable multifunctional panel, wherein the dismountable side plates are fixed on the side edge of the multifunctional table top; and the dismountable multifunctional panel is fixed on the top of the mahjong table top. The multifunctional mahjong table proposed by the invention is characterized in that the height of the mahjong table can be regulated, different table tops can be used for adapting to different applications, the application range of the mahjong table is expanded, and space is saved. In addition, the adopted stainless steel and the glass material are beautiful and elegant, and the grade of the product is improved.

The invention discloses a real-time monitoring method for growth characters of tea trees in intensive cultivation. The method comprises the following steps: performing real-time data acquisition by a tea tree living body growth character data acquisition device based on online location, transmitting the acquired data to an artificial comprehensive management center through a wireless communication way to process, wherein the acquired data comprises current location data acquired by a locating mechanism, fresh tea leaves spectrum data acquired by a high spectrum imaging sensor, and average growth height of fresh tea leaves measured by an ultrasonic wave sensor, and judging the best fresh tea leaf picking time based on that the data and a picking judgment model established off line are combined by the artificial comprehensive management center. The picking judgment model comprises a bud size growth measurement model based on average growth height, a yield correlation model and a quality correlation model based on the high spectrum image data. The real-time monitoring method for the growth characters of the tea trees in intensive cultivation is beneficial to realizing of intensive cultivation and automation in planting of the tea trees.

The invention relates to a desk and chair, in particular to a desk and chair for correcting sitting postures of students. According to the desk and chair for correcting the sitting posture of the student, the height can be adjusted, the angle can be adjusted, and the sitting posture of the student can be corrected. The desk and chair for correcting the sitting posture of a student comprises a slotted base having two fixed guide rail frames connected to one upper side, a movable table plate structure arranged between the fixed guide rail frames, and a movable seat mechanism mounted on the otherside of the slotted base. The height of the cushion can be adjusted through a seat lifting mechanism, the angle of the cushion can be adjusted through a rotating shaft, the height of the desk board can be adjusted through a desktop lifting mechanism, and the angle of the desk board can be adjusted through a pin rod; therefore, the height of the cushion and the desk board can be adjusted accordingto the height of a student, the distance between the cushion and the desk board can be adjusted, and the sitting posture of the student can be corrected.

The invention relates to the field of punching of automobile outer covering pieces, in particular to an automobile outer plate processing technic method. An addendum surface in a drawing process is adopted; the inclination degree of the inclined plane of the addendum surface is an included angle of 30-45 degrees between the inclined plane and a binder surface; and the height of the binder surface is adjusted, so that areas of different drawing depths in the same inclined plane are stressed uniformly, the requirement of thinning rate of an outer surface is met, and peripheral inclined planes are prevented from cracking by drawing. The method is mainly used for overcoming the defects of great rebounding force, outer surface unevenness and the like caused by insufficient rigidity of the outer surface and cracking and arc-shaped flanges on side walls. The abovementioned defects are improved and overcome by methods including changing the height of the binder surface, adopting an excessive drawing form, setting the inclination and form of a process surface, and the like.

The invention relates to a saw blade grinding machine of a metal circular saw blade, which comprises a machine frame, a grinding tooth and cutting knife driving device and a saw blade positioning device, wherein the grinding tooth and cutting knife driving device and the saw blade positioning device are arranged on the machine frame; the grinding tooth and cutting knife driving device comprises acutting knife drive motor which can drive a cutting knife to rotate, and the saw blade positioning device comprises a central shaft which can be fixedly connected with the metal circular saw blade; amain power driving system and a first eccentric wheel are also arranged on the machine frame; the saw blade grinding machine of the metal circular saw blade is characterized in that the main power driving system comprises a main drive motor which can drive the first eccentric wheel to rotate; and the first eccentric wheel can drag the grinding tooth and cutting knife driving device to carry out areciprocating motion by a first stroke conversion system. By the design and the connection of a flexible structure, the entire machine realizes the mechanical automation of the processing process, andthe processing accuracy of the saw blade is high. Because the invention has the characteristics, the invention can be used for a sawtooth grinding machine of the metal circular saw blade.