129 results about "GRINDING TOOTH" patented technology

The utility model discloses a slewing bearing gear grinding inner ring and outer ring machining device which comprises a working table, a fixing frame is fixedly installed at one end of the top of the working table, a positioning mechanism and a grinding mechanism are fixedly installed at the top of the fixing frame, and the positioning mechanism comprises a first air cylinder, a shell, a first motor, a threaded rod and a positioning rod. The first air cylinder is fixedly installed at the top of the fixing frame, through the design of the first air cylinder, the shell, the first motor, the threaded rod, the positioning rod and other structures, when the device is used, the position of the positioning rod can be adjusted according to slewing bearings of different sizes, and then the device can meet the positioning requirements of the slewing bearings of different sizes; and during positioning treatment, a plurality of positioning rods can be synchronously inserted into corresponding mounting holes of the slewing bearing to fix the slewing bearing, so that the gear grinding machining of the slewing bearing is ensured, the positioning efficiency is higher, and the labor capacity of workers can be reduced.

The utility model relates to the technical field of feed production and processing, in particular to a grinding device for feed production, which comprises a grinding bin, two grinding tooth columns are axially and circumferentially rotatably arranged in the grinding bin, and a driving component for controlling the grinding bin to circumferentially rotate is arranged at one end, positioned on the two grinding tooth columns, of the grinding bin. The other ends, located at the two grinding tooth columns, of the grinding bin are each provided with an adjusting assembly used for controlling axial sliding of the grinding bin when the grinding bin rotates in the circumferential direction. By arranging the adjusting assembly and utilizing the cooperation between a guide column and a guide groove, the grinding tooth column can be promoted to perform axial reciprocating sliding while rotating in the circumferential direction, so that the raw materials are rubbed, the crushing effect of the raw materials is improved, and the grinding tooth column can perform reciprocating swinging while rotating and sliding by utilizing the cooperation between the guide column and a boss, so that the crushing effect of the raw materials is improved. The blanking speed of the raw materials can be increased, and the grinding and crushing effects on the raw materials are also improved; the problems that existing equipment is low in grinding and smashing efficiency and uneven in generated particle size are solved.

The invention relates to the technical field of chain wheel production, in particular to a cutting and polishing combined machining device and method for hoisting chain wheel production, which comprises a blank chain wheel, a cutting tool for cutting the blank chain wheel and polishing teeth for polishing the blank chain wheel, and further comprises a sleeve rod, and a plurality of fastening plates for supporting the inner wall of the blank chain wheel are arranged on the outer surface of the sleeve rod. A plurality of piston rods connected with the fastening plate are arranged on the outer surface of the sleeve rod, a fixing assembly for driving the piston rods to move is arranged in the sleeve rod, a buffering tray for supporting the sleeve rod is flexibly connected to the top of the sliding rod, and a buffering cavity for storing oil is formed in the sliding rod. The two ends of the buffering cavity are slidably connected with connecting rods matched with the buffering cavity, the bottom of the buffering tray is connected with buffering assemblies matched with the connecting rods, the position adjusting block is arranged in the buffering cavity and used for monitoring flowing of oil in the buffering cavity, and a compensation assembly for changing the position of the sliding rod to adjust the pressure of the oil is arranged in the sliding rod.

The utility model discloses a gear grinding clamp for rotary gear hobbing, and relates to the technical field of gear clamps. A base is characterized in that a machining table is arranged above the base, a placing plate is arranged at the top of the machining table, a stand column is arranged at the center of the placing plate and fixedly connected with the machining table, a pressing plate is arranged above the placing plate, and a clamping groove is formed in the top of the pressing plate. The machining table, the containing plate, the stand column and the pressing plate are arranged to be used for containing the rotary gear, clamping force is applied from the upper side and the lower side of the rotary gear through the containing plate and the pressing plate, the contact face between the rotary gear and the clamp is enlarged, and supporting of the clamp to the rotary gear is enhanced; and meanwhile, a stand column penetrates through an inner hole of the rotary gear, and a movable plate is arranged on the stand column to support the rotary gear from the inner side, so that the rotary gear can be stably clamped and fixed, and the rotary gear is prevented from deviating between the placing plate and the pressing plate.

The invention relates to a precision slender triangular spline inner broach machining method. The problems that an existing method is poor in quality and low in production efficiency are solved. The method comprises the steps that 1, a broach is subjected to repeated upsetting and drawing forging from a blank, and carbide segregation after forging is guaranteed; 2, rough machining is carried out to control bending deformation out-of-tolerance, straightening is carried out after machining is completed, and machining stress is eliminated; 3, bending deformation is controlled through four times of outer circle grinding, straightening and bearing grinding measures in semi-finish machining; 4, tooth profile rough grinding is carried out, and grinding of all tooth profiles is completed through one-time clamping machining; straightening is conducted after machining is completed, and machining stress is eliminated; and 5, the starting stroke and the stopping stroke of a workbench are changed, involute tooth profile parameters are input for accurate grinding, the consistency of the centers of the triangular spline teeth and the involute spline teeth is guaranteed, and when the M value of the two sections of tooth profiles is ground to be close to the measured value of a finished product, the feeding amount of a grinding wheel is reduced, smooth grinding is repeated, and spark-free grinding is carried out. The machining efficiency is high, the part machining quality is stable, and the batch production requirement can be met.

The invention discloses a spiral bevel gear grinding tooth surface error multi-stage correction method which comprises the following steps: acquiring a cutter equation to obtain a cutter high-order equation; calculating a five-axis linkage equation to obtain a five-axis linkage high-order equation; obtaining a tooth surface measurement error value; an L-M algorithm is utilized, a tooth surface measurement error value and an adjustment coefficient initial value are input, whether the tooth surface measurement error value is larger than a preset value or not is judged, if yes, machining initial position correction is executed firstly, then small-error tooth surface error correction is executed, and if not, small-error tooth surface error correction is executed; the machining initial position correction comprises the following steps: taking a machining initial position error as an adjustment coefficient, carrying out L-M reverse adjustment calculation, and correcting a five-axis linkage high-order equation; the small-error tooth surface error correction comprises the following steps: screening high-order coefficients participating in reverse adjustment in a five-axis linkage high-order equation and a tool high-order equation, carrying out L-M reverse adjustment calculation, and correcting to obtain a final five-axis linkage high-order equation and a final tool high-order equation. The method is high in correction capability and high in efficiency.

The utility model relates to the technical field of flour mills, and discloses a hammer type flour mill which comprises a machine body, a flour milling chamber and a collecting chamber are arranged in the machine body, a discharging port is arranged between the flour milling chamber and the collecting chamber in a communicating mode, a plurality of milling teeth are arranged on the inner wall of the flour milling chamber in an array mode, a rotating shaft is arranged in the flour milling chamber in a rotating mode, and a motor is fixedly arranged on the outer wall of the machine body and connected with one end of the rotating shaft. Each hammering assembly comprises a plurality of sleeves fixedly arranged on the rotating shaft, hammer rods are slidably inserted into the sleeves, sliding plates are arranged at the ends, located in the sleeves, of the hammer rods, hammer heads are fixedly arranged at the other ends of the hammer rods, a plurality of positioning holes are formed in the sleeves in an up-and-down symmetrical mode, and positioning grooves are formed in the sliding plates. The sliding plate penetrates through the positioning hole through a fixing bolt and is inserted into the positioning groove to be fixedly connected with the sleeve. The hammer rod can be adjusted in the sleeve in a sliding mode, so that the distance between the hammer head and the grinding teeth is changed, the device can adapt to material grinding under different hardness and humidity conditions, and the grinding efficiency is improved.

The utility model belongs to the technical field of diamond grinding wheels, and particularly relates to a diamond grinding wheel for grinding a lead screw. The grinding wheel comprises a base body and a grinding layer. Wherein the grinding layer comprises grinding teeth, a first grinding groove and a second grinding groove; the first grinding groove and the second grinding groove are symmetrically formed in the two sides of the grinding teeth and are in smooth connection with the grinding teeth. According to the diamond grinding wheel for grinding the lead screw, the thread groove grinding part and the thread body grinding part are arranged on the grinding wheel at the same time, continuous thread grooves and thread body segments on the lead screw can be ground, and the grinding wheel is matched with translation of the grinding wheel and rotation of the lead screw and the grinding wheel; and grinding machining of all parts on the spiral groove of the lead screw can be completed at the same time.

The utility model relates to the technical field of papermaking equipment, in particular to a plane millstone producing and processing device which comprises a foundation seat arranged on the ground, a horizontal mounting seat fixedly arranged on the foundation seat, and a rotary disc arranged on the mounting seat and used for fixing a plane millstone. A grinding mechanism is fixedly arranged on the portion, on one side of the rotating disc, of the mounting base, and a grinding head is arranged on the grinding mechanism and used for grinding a plane grinding disc fixed to the rotating disc. According to the plane grinding disc producing and machining device, grinding overheating is prevented through the rotating speed; and the sharpness of the edges of the ground teeth after grinding is ensured.

The present application relates to saw blade manufacturing technical field, and discloses a band saw blade manufacturing method and band saw blade, and the manufacturing method comprises the following steps: step S1, precision edge cutting;Step S2, tooth profile forming;Step S3, heat treatment strengthening;Step S4, composite straightening;Step S5, high-frequency welding;Step S6, partition roller pressing strengthening;Step S7, adaptive finishing;Step S8, closed-loop quality control;Band saw blade, hard alloy cutter head brazing is formed in the sawtooth part of tooth holder, and the multiple parallel roller pressing bands formed by partition roller pressing strengthening;Through the cooperation of partition roller pressing strengthening and adaptive finishing, the number and width of roller pressing areas are dynamically configured according to the width of band saw blade, reasonable isolation zones are set between adjacent roller pressing bands, local strengthening is realized, and the bending strength and fatigue resistance of tooth root are enhanced;According to the pitch, the process route is selected, and the tooth is ground after roller pressing strengthening or the tooth is ground before roller pressing, and the safety distance of roller working area and tooth root is reasonably controlled.

The invention relates to a tooth groove grinding clamp for high-load connecting rod tooth groove precision machining and a machining method of the tooth groove grinding clamp. The tooth groove grinding clamp used for high-load connecting rod tooth groove precision machining comprises a bottom plate used for supporting and fixing the tooth groove grinding clamp, and the bottom plate fixes the tooth groove grinding clamp to a machine tool for grinding through bolts and nuts; the vertical plate is vertically and upwards arranged on the bottom plate; the connecting rod body fixing assembly is arranged on one side face of the vertical plate and used for fixing a connecting rod body to be machined; the connecting rod cover fixing assembly is arranged on the other side face, opposite to the connecting rod body fixing assembly, of the vertical plate and used for fixing a connecting rod cover to be machined, and when the connecting rod body to be machined and the connecting rod cover are positioned, the connecting rod body to be machined and the connecting rod cover are staggered by one half of the tooth pitch. According to the tooth groove grinding clamp for high-load connecting rod tooth groove precision machining, a connecting rod body and a connecting rod cover are clamped for tooth grinding machining, tooth grooves of the connecting rod body and the cover can be ground at the same time, and it is guaranteed that the tooth shapes of the connecting rod body and the cover are consistent.

The utility model discloses a circular saw blade tooth grinding device which comprises a working table, motor bases are installed on the two sides of the top end of the working table, grinding wheels are installed on one sides of the motor bases, a linear motor is installed in the middle of the top end in the working table, and an adjusting mechanism is arranged at the top end of the linear motor. A bottom plate is arranged at the top end of the adjusting mechanism. The bottom end of the bottom plate is connected with the adjusting mechanism through the adjusting plate, and the positioning rod in the adjusting mechanism is inserted into the positioning groove in the adjusting plate, so that the position adjustment of the adjusting mechanism and the adjusting plate can be completed; the adjusting plate can drive the bottom plate at the top end to conduct inclination angle adjustment with the saw blade body, so that the grinding angle is rapidly adjusted according to the actual use condition of the circular saw blade, and the adjusting mechanism, the adjusting plate and the bottom plate can be driven by the linear motor to conduct distance adjustment with the grinding wheel.

The invention belongs to the technical field of gear grinding machine tools, and particularly relates to a swing arm type double-positioning high-precision gear aligning mechanism which comprises a mounting and driving mechanism, a swing arm mechanism, a turnover mechanism and a conveying mechanism. The mounting and driving mechanism is mounted on the surface of the gear grinding machine tool, and the rear end of the swing arm mechanism is rotationally connected to the front end of the mounting and driving mechanism; according to the gear grinding and aligning device, the positioning fixity of gear grinding and aligning is improved by changing the form of the swing arm, meanwhile, through driving of the turnover mechanism, the position of a gear grinding component can be adjusted, and the gear grinding and aligning device can adapt to different gear grinding components.

The utility model discloses a white corundum lump material crushing and shaping all-in-one machine, which relates to the technical field of white corundum lump material processing and comprises a grinding machine, a crushing cavity is arranged above the grinding machine, two crushing rollers for crushing white corundum lump materials are arranged in the crushing cavity, and grinding teeth and two grinding rollers are arranged in the grinding machine. The two crushing rollers are driven by the driving mechanism to rotate, raw materials can be crushed in the relative rotation process of the two crushing rollers, at the moment, a fixed screw rod is driven to rotate by rotating a grip, and two check blocks connected to the screw rod in a sleeving mode move oppositely under the action of threads in the rotation process of the screw rod; at the moment, the size of the crushed raw material discharging opening can be adjusted, it can be guaranteed that the raw materials evenly and continuously enter the grinding machine through the proper size of the discharging opening, blockage and influence on the production schedule caused by too fast discharging are prevented, and the phenomenon that the device idles and wastes energy and time due to too slow discharging can also be avoided.

The utility model relates to a millstone for grain processing, which is characterized in that when rice husks or uncrushed grains clamped in tooth grooves of the millstone need to be treated in the actual production and use process, a linear driving piece can be operated at the same time, so that the linear driving piece drives an ejector pin through a moving plate to eject the grains among fine grinding teeth, and after cleaning is completed, the ejector pin is driven by the moving plate to push out the grains. The ejector pin is reset, the end, close to the grinding face of the inner grinding disc, of the ejector pin moves to be flush with the inner grinding disc, follow-up grinding continues to be carried out conveniently, when an area on the grinding disc is seriously abraded, the outer grinding disc and the inner grinding disc can be detached from the mounting disc, and then the seriously abraded outer grinding disc and the inner grinding disc are replaced; therefore, rice husks or uncrushed grains clamped in the tooth grooves of the millstone can be treated more conveniently and efficiently, the friction force of the milling teeth cannot be reduced, the crushing efficiency is improved, the area, with the high abrasion degree, on the millstone can be replaced, and the use cost of the machine is reduced.

The utility model discloses a saw blade tooth grinding device which comprises a workbench provided with a plurality of supporting legs at the bottom, a containing groove is formed in the top of the workbench, an electric cylinder is arranged at the top of the workbench, a U-shaped frame is arranged on an electric cylinder sliding block of the electric cylinder, a plurality of clamping and fixing assemblies are arranged on the inner side wall of the containing groove, and each clamping and fixing assembly comprises a clamping plate. A sliding rod is connected to the left side face of the clamping plate, a groove is formed in the inner side wall of the containing groove, an inner groove is formed in the inner wall of the upper side of the groove, a wedge-shaped block is arranged at one end of the sliding rod, the sliding rod is sleeved with a spring, a threaded sleeve is embedded in the top of the workbench, the threaded sleeve communicates with the inner groove through a through hole, and a threaded rod is inserted into the threaded sleeve. The bottom end of the threaded rod extends into the inner groove through the through hole and is connected with an abutting ball. According to the saw blade polishing and repairing device, the appropriate number of clamping and fixing assemblies at the appropriate positions can be selected according to the length of saw blades so as to achieve the optimal and stable clamping and fixing effect, at most three saw blades can be polished and repaired at the same time, and the working efficiency is greatly improved.

The utility model relates to the field of pulper, concretely relates to a grinding disc structure based on papermaking pulper, including main part and grinding disc part, is seted up with the mounting buckle groove on the main part, is seted up with the mounting hole on the grinding disc part, is provided with the buckle part at the mounting hole, the grinding disc part is detachable and is arranged on the main part through the buckle part and the mounting buckle groove cooperation, the grinding disc part still includes the grinding plate and the grinding tooth, the grinding plate is the sector plate, the grinding tooth is integrally arranged on the grinding plate upper surface, the utility model discloses the combination of modularization grinding disc part and buckle part has realized quick dismounting, only needs to replace the damaged grinding plate when damaging, does not need to replace the whole grinding disc, has reduced maintenance cost and time, the detachable characteristic is convenient for inspection, cleaning, improves maintenance efficiency, reduces downtime, improves production efficiency, especially suitable for the papermaking production line of continuous operation.

The invention discloses a control method and device of gear machining equipment, electronic equipment and a readable storage medium, and the control method of the gear machining equipment comprises the steps that under the condition that the gear machining equipment machines a workpiece to form a gear, tooth profile information of the gear is obtained; determining a tooth profile defect type according to the tooth profile contour information; an error mechanism corresponding to the tooth profile defect type and target operation for the error mechanism are determined, and the error mechanism comprises at least one of a tooth grinding wheel, a driving assembly and a clamping assembly; and controlling the gear machining equipment to execute the target operation, wherein the target operation is used for reducing errors caused by the error mechanism to the machined gear. According to the invention, a mechanism for accurately positioning and generating the defect based on the tooth profile defect of the gear is realized, the target operation is executed in a targeted manner, and the tooth profile quality of the gear obtained by grinding is improved.

The utility model discloses a tooth grinding wheel for machining broken teeth and a tooth grinding module applying the tooth grinding wheel. The tooth grinding wheel comprises a cylindrical body, first single-face grinding teeth and second single-face grinding teeth. The middle of the cylindrical body is fixedly connected with a rotating shaft, the first single-face grinding tooth is provided with a right grinding face and a left suspension face, the second single-face grinding tooth is provided with a left grinding face and a right suspension face, the left grinding face is integrally connected to the right side of the right grinding face, and the axial distance between the left grinding face and the right grinding face is at least two times of the pitch of a to-be-ground piece; when a to-be-ground piece is machined, the left suspension face and the right suspension face do not make contact with the to-be-ground piece, the right grinding face machines a left tooth mountain of front teeth of the to-be-ground piece, the left grinding face machines a right tooth mountain of rear teeth of the to-be-ground piece in a tooth jumping mode, and the grinding starting point of the left tooth mountain is earlier than that of the right tooth mountain all the time. The tool has the advantages of being high in universality, high in grinding efficiency and suitable for machining a to-be-ground piece with a cylindrical blade on the left side tooth mountain and without a cylindrical blade on the right side tooth mountain, and the service life of the to-be-ground piece is long.

A powder crushing device is provided. The apparatus includes an internal chamber 11 having a cabin 1 under negative pressure, a crushing / refining / powder sorting unit is installed in the internal chamber, and a coarse crushing unit 2 is installed coaxially below the crushing / refining / powder sorting unit, and a transmission mechanism operates to transmit the crushing / refining / powder sorting unit and the coarse crushing unit synchronously. The coarse crushing unit includes a lower impeller 21 and a grinding ring gear 22, the lower impeller is connected coaxially to the crushing / refining / powder sorting unit, and the grinding ring gear is installed on the wall surface of the internal chamber. The surface of the grinding ring gear corresponding to the lower impeller is a grinding tooth surface 221 formed by arranging a plurality of grinding ratchets at an angle.

This utility model discloses a sorting device for processing calcium fluoride tailings, belonging to the field of mineral processing equipment. It includes a tank with a conical protrusion on its inner wall, on which coarse grinding teeth are provided. Grinding and screening components are respectively arranged inside the tank from top to bottom. A drive unit is located between the grinding and screening components. The grinding component, in cooperation with the first coarse grinding teeth, is used to coarsely grind the calcium fluoride tailings. The grinding component provides power to the drive unit to cause the screening component to vibrate. The grinding component includes a support set on the inner wall of the tank; a rotating frame rotatably set at the bottom of the support; a second coarse grinding tooth sleeved on the outer wall of the rotating frame; and a servo motor set inside the support with its output end connected to the top of the rotating frame. This utility model's sorting device for processing calcium fluoride tailings improves the coarse grinding and screening effects and optimizes the sorting process through the innovative cooperation between the grinding and screening components, especially the drive unit utilizing the grinding power to drive the screening vibration.

The utility model discloses peeling equipment for an aluminum profile casting rod, and belongs to the field of aluminum profile processing. According to the technical scheme, the peeling equipment for the aluminum profile casting rod is divided into a peeling machine body and a grinding pipe body, and the grinding pipe body is arranged at the output end of the peeling machine body in a matched mode; according to the aluminum profile peeling device, an aluminum profile peeling structure is optimized, a beam tube clamping groove and a position correction part are arranged at the front end, the overall limiting precision and the fixing capacity in the aluminum profile machining process are achieved, and therefore the comprehensive quality in the aluminum profile peeling process is further improved; and meanwhile, the structure of the peeling part is optimized, the surface of the aluminum profile is subjected to peeling treatment in a transverse tooth grinding mode, the error-tolerant rate in the surface treatment process of the aluminum profile is increased, and the actual production loss is further reduced.

The invention relates to the technical field of semiconductor wafer processing, and provides a grinding wheel self-sharpening enhancement method and device and wafer thinning equipment. The method comprises the following steps of: determining a main washing position: judging whether the grinding wheel is subjected to outer edge processing or not based on the position of a grinding line of a grinding wheel grinding wafer and the rotating direction of the wafer, if so, determining the main washing position to be the outer side of the grinding wheel, and otherwise, determining the main washing position to be the inner side of the grinding wheel; the liquid spraying pressure and the swing frequency of the flusher at the main flushing position are set to be larger than the liquid spraying pressure and the swing frequency of the flusher on the opposite side; determining the flushing direction of the flusher based on the adhesion state of the abrasive particles forming the abrasive wheel and the adhesion state of the pollutants on the abrasive wheel; and based on the ratio of the feeding speed of the grinding wheel to the set feeding speed in the grinding process, the liquid spraying pressure and the swing frequency of the flusher are adjusted. According to the grinding wheel, the self-sharpening performance of the grinding wheel can be effectively enhanced, meanwhile, protection is provided for the grinding teeth, and the wafer thinning quality and efficiency are improved.

A tumbler pet food leaking toy comprises a shell with a hemispherical bottom, a balance weight component is arranged in the shell and is subjected to balance weight through sand, a mounting hole is formed in the shell, a tooth grinding assembly is arranged in the mounting hole, one end of the tooth grinding assembly extends into the shell, and the other end of the tooth grinding assembly protrudes out of the upper portion of the mounting hole and is used for grinding teeth of a pet. The playing fun of the pet is increased; a granary is arranged in the shell, dog food can be poured into the granary, a hole for the dog food to pass through is formed in one side of the shell, when a pet plays the non-tumbler toy, the shell continuously topples and resets, the dog food contained in the granary falls out through the hole 7 by shaking the shell, and the playing fun of the pet is increased. According to the pet toy, the pet can be awarded through falling dog food while playing and tooth grinding of the pet are achieved, the playing interest of the pet can be fully stimulated, activities of the pet are facilitated, and the multi-functionality of pet playing is achieved.

The invention relates to a dry grinding composite structure grinding wheel, and belongs to the field of dry grinding wheels. Comprising a plurality of elastic grinding teeth and a grinding wheel base body, and the elastic grinding teeth are wound in the circumferential direction of the grinding wheel base body to form a grinding ring; each elastic grinding tooth comprises an installation section, an elastic transition section and a working section, the installation sections and the working sections are fixedly arranged at the two ends of the elastic transition sections in a one-to-one correspondence mode, the installation sections are fixedly arranged on the end face of one end of the grinding wheel base body, and air circulation slits are formed between the elastic transition sections and the working sections of every two adjacent elastic grinding teeth. A plurality of grinding strips which are prone to generating circumferential elastic displacement when being stressed during grinding are arranged in the working section in the radial direction at intervals, each grinding strip comprises a foil base plate which is not plastically deformed when being stressed during grinding and a diamond grinding layer, the foil base plate is fixedly connected with the working section, and the diamond grinding layer is fixedly connected to the side wall in front of the rotating direction of a grinding wheel of the foil base plate. According to the grinding wheel, the phenomenon of edge bursting easily generated when the grinding wheel grinds fragile materials is eliminated, and chip removal is optimized.

The utility model discloses a tobacco grinding device, and belongs to the technical field of tobacco processing equipment. The tobacco grinding device comprises a rotatable upper cover and a tank body with a through inner cavity, detachable connection of rotary grinding teeth is achieved through a lateral sliding lock catch structure, and the grinding teeth are installed and fixed through an axial restraining structure on the inner wall of the tank body. A modular connection mode of combining the dovetail grooves and the magnetic suction units is adopted, so that quick replacement of the grinding teeth is realized; grinding teeth are fixed through cooperation of a limiting ring and an internal thread, and the dismounting operation is simplified in combination with the design of a turnover pull ring; and the standardized grinding tooth interface supports multi-specification tooth profile configuration. The utility model solves the problems that the traditional integrated tobacco grinder cannot independently replace accessories and has single grinding granularity.

1. Name of the designed product: tooth gel (crab). 2. Use of the designed product: for children to grind teeth. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

The application discloses a grinding processing method for special rounding of tooth top of involute cylindrical gear, and comprises the following steps: firstly, determining tooth profile drawing parameters, drawing a standard involute and a modified tooth profile, obtaining modification amount of three-point position on the special rounding arc of the tooth top, fitting the three-point position of the special rounding arc of the tooth top into an approximate circular arc, replacing the special rounding arc of the tooth top with the approximate circular arc, deducing and calculating the drum shape amount of the special rounding arc of the tooth top, and grinding the tooth top according to the drum shape amount of the special rounding arc of the tooth top by using a gear grinding machine. The grinding processing method has the advantages that the special rounding of the tooth top is tangent to the involute of the tooth surface, and the special rounding of the tooth top intersects with the tooth top surface.

The utility model discloses a high-precision grinding structure for solder paste production, which comprises a grinding machine body, a circular groove is arranged at the upper end of the center of the grinding machine body, an annular grinding cylinder is inserted in the circular groove, and a plurality of conical grinding teeth are fixedly mounted on the annular inner wall of the annular grinding cylinder. The annular grinding cylinder is inserted into the circular groove, the hydraulic cylinder drives the circular cover to cover the lower end of the annular grinding cylinder, the driving motor drives the spiral stirring rod to continuously turn over solder paste particles in the annular grinding cylinder, the solder paste particles fully collide with the conical grinding teeth in the annular grinding cylinder to be ground, and the grinding effect is improved; the circular cover is driven by the hydraulic cylinder to be separated from the annular grinding cylinder, the annular grinding cylinder is taken out through the handle, the circular cover is driven by the driving motor to rotate, grinding solder paste particles are rapidly discharged to the conical bottom of the circular groove and rapidly discharged through the inclined discharging opening, rapid discharging is facilitated, and the grinding efficiency is improved.

1. The name of the design product: tooth gel (snowman Christmas tree set). 2. The use of the design product: for grinding teeth, tooth gel toys. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.