66 results about "Tooth grinding" patented technology

The application discloses a night tooth grinding detection and grading method based on multi-modal signal fusion, which acquires multi-modal physiological signals including at least electromyographic signals, body movement signals and sound signals, and respectively carries out pretreatment to extract electromyographic intensity features, body movement intensity features and acoustic features; an adaptive threshold is constructed based on the electromyographic intensity features, and the adaptive threshold is dynamically adjusted in combination with the body movement intensity features to detect suspicious tooth grinding segments; the acoustic features are further fused to confirm the suspicious tooth grinding segments, determine a tooth grinding event; and the tooth grinding event is graded and output according to intensity features, duration features and multi-modal consistency features of the tooth grinding event; the application effectively reduces the false alarm rate, improves the accuracy and stability of the night tooth grinding detection through the multi-modal signal fusion and the adaptive threshold judgment mechanism, and has good practical value.

The application provides a tooth grinding navigation method, system and storage medium, comprising the following steps: registering to obtain a coordinate conversion relationship between any two of a CT three-dimensional coordinate system, a reference plate three-dimensional coordinate system and an optical three-dimensional coordinate system; calibrating a tooth extraction handset; constructing and optimizing an oral cavity anatomical structure segmentation learning model; segmenting oral cavity CT real-time three-dimensional data; selecting a three-dimensional model of a tooth to be treated in a tooth CT three-dimensional model; obtaining a real-time relative position between the tooth to be treated and the tooth extraction handset; and updating the three-dimensional model of the tooth to be treated in real time according to a running path of a pin tip, and eliminating three-dimensional voxels on the three-dimensional model of the tooth to be treated that coincide with the running path of the pin tip. The oral cavity anatomical structure segmentation learning model can provide assistance for analysis based on oral cavity CT real-time three-dimensional data, and real-time poses of a handset tracker and an oral reference plate collected by a binocular navigator are used to realize visual tooth grinding.

The present application relates to the technical field of electroplated grinding wheel, in particular to a combined grinding wheel for grinding fan gear shaft and a manufacturing method thereof, which solves the problem of low machining precision of the grinding wheel on the fan gear shaft in the prior art, and the combined grinding wheel comprises two oppositely arranged edge tooth grinding wheels, the two edge tooth grinding wheels are detachably connected, a plurality of side-by-side arranged intermediate tooth grinding wheels are arranged between the two edge tooth grinding wheels, and the edge tooth grinding wheel and the intermediate tooth grinding wheel are coaxially arranged. The beneficial effect is that the combined grinding wheel integrates the tooth surfaces with different profiles on the fan gear shaft into a set of combined grinding wheel, and when the combined grinding wheel grinds the tooth surface of the fan gear shaft, the grinding wheel only needs to be clamped once, and then the grinding of the whole tooth surface of the fan gear shaft can be completed through the rotation and displacement of the fan gear shaft workpiece, thereby improving the machining efficiency and machining precision of the fan gear shaft.

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 defect repairing device for a baked porcelain restoration, which belongs to the field of baked porcelain restoration and comprises a handle, an anti-slip sleeve is fixedly sleeved on the outer wall of the handle, an adsorption component is arranged on the side wall of the handle and comprises a sliding seat fixedly connected to the side wall of the handle, and a limiting block is fixedly connected to the side wall of the sliding seat. Through cooperative use of all the devices, in the polishing process of the polishing head, tooth powder generated during polishing can be rapidly adsorbed through cooperation of the suction rod, a suction box, a vacuum generator and a negative pressure pipe and high-speed adsorption force, the powder is adsorbed through a filter plate and an adsorption plate, and the tooth powder is adsorbed through the suction box, the suction box, the vacuum generator and the negative pressure pipe; tooth powder is prevented from remaining at the tooth grinding position to affect the adhesion strength of porcelain repair, the repair efficiency can be improved through adsorption in the grinding process, the cleaning assembly is matched, the grinding efficiency can be improved through mutual cooperation of a flushing box, a nozzle and an air pipe and water flow, and the repair effect is further improved.

This invention relates to a composite structure for reducing stress concentration and tooth breakage in elastic tooth grinding wheels, belonging to the field of grinding wheels. It includes: a frame, grinding elements, and a grinding wheel base. The frame is fixedly mounted on the grinding wheel base. Multiple grinding elements are circumferentially spaced within the frame. The grinding elements are inclined rearward along the grinding wheel's rotation direction. The portion of the frame in front of the grinding elements along the grinding wheel's rotation direction serves as a front stop to prevent the grinding elements from moving forward circumferentially under the centrifugal force of the rotating grinding wheel. A counterweight structure is provided on the front stop. This invention helps reduce the risk of stress concentration fracture.

This invention discloses a tooth grinding machine for wide-width band saw blade processing, including limiting plates and a workpiece processing mechanism. A saw blade body portion is inserted between two limiting plates, and each limiting plate has an inclined hole on its side. The inclined hole faces opposite directions to the tooth grooves on the saw blade body. The bottom end of the limiting plate extends into the material collection hopper. The advantages of this invention are: during the feeding process, the abrasive is also driven to rotate by the processing actuator, which can fully fill the gap formed between the annular surface in the middle of the processing actuator and the inner wall of the tooth groove, thus achieving the effect of abrasive grinding the inner wall of the tooth groove. The abrasive is fed in a state of simultaneous movement and rotation, resulting in a finer and smoother grinding surface; it fully utilizes the abrasive, reducing the number of times it needs to be added; and it can automatically adjust and position the tooth grooves on the saw blade body, allowing for rapid adjustment to the grinding state.

The utility model relates to the technical field of oral medicine, in particular to a comprehensive tooth adjusting and grinding training model which comprises an upper jaw and a lower jaw, the upper jaw comprises an upper tooth socket, upper teeth are installed on the upper tooth socket, the lower jaw comprises a lower tooth socket, and lower teeth are installed on the lower tooth socket. Tooth socket pits which are consistent with the tooth roots of the corresponding teeth in shape and size are formed in the corresponding tooth positions of the upper tooth socket and the lower tooth socket, and a through hole through which the upper tooth and the lower tooth can be conveniently detached is formed in the bottom of each tooth socket pit.

The application discloses a kind of turbine blade grinding after fluorescent defect root control method and system, it is related to turbine blade technical field, the present application adopts computer full-process closed-loop control, first obtains tenon tooth solidification characteristic parameter, constructs directional solidification multi-physics field coupling model and is solved to obtain transient multi-physics field data set;Again, through paste zone width two-stage quantization calculation, the shrinkage high-risk interval in tenon tooth grinding allowance range is determined;Based on risk interval, the optimal incremental drawing time correction calculation is completed, and qualified directional solidification process parameters are generated and verified;Finally, control equipment executes process, and realizes process solidification or reverse iterative correction by acquisition detection data.The present application eliminates the aggregation of microscopic shrinkage from the solidification source, realizes defect root, precision prevention and control, and has strong stability, which can significantly reduce the reject rate of blade production.

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 discloses a cattle rear groove tooth imitating grinding and rubbing type mulching film crushing device, and belongs to the field of agricultural machinery. Composite grinding and rubbing motion of cow rear groove teeth is simulated, angle left-right swinging, forward stretching and retracting and rotary composite motion of the grinding and rubbing head are achieved through the power mechanism and the transmission mechanism, and compared with an existing single cutting and extruding mode, the mulch film crushing device can act on mulch films more comprehensively, so that the mulch films are crushed more thoroughly, crushed particles are high in uniformity, and follow-up recycling and reusing are facilitated. Through the triple anti-winding design, namely the grinding and rubbing disc of an asymptote structure, the grinding and rubbing plate provided with trapezoidal protrusions and the smooth treatment layers at the joints, winding of the mulching film in the crushing process is avoided in a multi-dimensional mode, the number of times of shutdown cleaning of equipment is reduced, and the operation continuity is improved.

The utility model relates to the field of pet toys, in particular to a pet woven belt and a pet woven toy, and provides the pet woven belt and the pet woven toy which not only can attract attention of pets and be played by the pets, but also can be used for tooth grinding and cleaning of the pets. The pet woven belt comprises a strip-shaped soft plastic part, a strip-shaped elastic part and a strip-shaped elastic part, and the strip-shaped knitting piece is embedded in the through groove. The pet weaving toy is formed by weaving at least one pet weaving belt in a staggered mode, and weaving gaps for a pet to bite and hold are formed between the pet weaving belts. According to the utility model, the strip-shaped soft plastic part and the strip-shaped woven part are combined together, and the strip-shaped woven part is embedded in the strip-shaped soft plastic part, so that the strip-shaped woven part is endowed with certain wrapping and protecting effects, and teeth can be cleaned by utilizing friction between teeth and woven gaps while the pet can bite, hold and play; the functionality of the pet weaving toy is improved.

The present application relates to a kind of turbine working blade tenon tooth processing clamping devices, comprising;Base, the base is divided into multiple stations, each described station is provided with plane positioning mechanism, inclined plane positioning mechanism and pressing mechanism, the plane positioning mechanism and the inclined plane positioning mechanism are arranged on the base, and the pressing mechanism is detachably connected with the base;The two sides of the base width are respectively provided with the plane positioning mechanism, the inclined plane positioning mechanism and the pressing mechanism that cooperate with each other.The beneficial effects of the present application are that the processing pressing device adopts double-station design, improves the processing efficiency by dividing into left and right two stations, improves the process of slender turbine working blade, instead of traditional casting low-melting-point alloy on blade to enhance strength, alloy positioning is used to carry out tenon tooth grinding processing method, new processing clamping device is used to position and clamp blade, and the direct, economic grinding processing of slender low-pressure turbine working blade is realized.

1. The name of the design product: tooth grinding stick (1). 2. The use of the design product: for tooth grinding stick. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application provides a tooth grinding event detection system and a tooth grinding data processing method. The method comprises the following steps: acquiring facial electromyography data and auxiliary data collected by a wearable recorder worn on the face of a detection object; determining a suspected tooth grinding event according to the facial electromyography data and a tooth grinding threshold; and verifying the suspected tooth grinding event by using the auxiliary data to determine a tooth grinding event. The wearable recorder collects auxiliary data while collecting facial electromyography data. When analyzing a tooth grinding event, the facial electromyography data and a tooth grinding threshold are used to preliminarily screen out a suspected tooth grinding event, and then the auxiliary data is combined with the suspected tooth grinding event to analyze and verify an actual tooth grinding event one by one. As a result, artifacts in the electromyography data can be removed, and the accuracy of tooth grinding event recognition is improved.

This is a dental measuring tool used to check the degree of tooth grinding when grinding and capping teeth. As shown in the "Reference Front View," this tool consists of a gripping portion, an interocclusal measurement portion, and a grinding shoulder measurement portion. For example, when grinding and capping a lower jaw tooth, as shown in "Reference Figure 1 Showing the State of Use," the tip of the interocclusal measurement portion is inserted between the ground lower jaw tooth and the upper jaw tooth to measure the gap. Furthermore, as shown in "Reference Figure 2 Showing the State of Use," the grinding shoulder measurement portion is placed along the ground lower jaw tooth, and the shoulder (foot-like portion) of the lower jaw tooth is measured using the tip diameter of the grinding shoulder measurement portion, and the height of the lower jaw tooth is measured using the scale on the grinding shoulder measurement portion.

The invention discloses a tooth grinding device for production of a TA coating saw blade, and relates to the technical field of deep machining of cutting blades, the tooth grinding device comprises a base, a driving mechanism mounted at the top of the base and a tooth grinding mechanism mounted at the top of the base, and further comprises a pressing mechanism used for pressing the saw blade in the tooth grinding process; the cooling mechanism is used for cooling the saw blade in the tooth grinding process; the metal separation mechanism is used for removing metal scraps in the cooling liquid at the top of the saw blade; the stripping mechanism is used for removing the metal chippings on the metal separation mechanism at a set position; and the electromagnet disc on the outer side of the pressing block is driven to rotate, metal particles in cooling liquid at the top of the saw blade are rapidly adsorbed, the situation that the metal particles exist at the top of the saw blade is avoided, and the problem that in the grinding process of the next tooth groove, the metal particles in the cooling liquid at the top of the saw blade continuously flow into the tooth groove, and the grinding quality of the saw blade is affected is further avoided.

The application discloses a high-precision internal tooth grinding method for automobile gear internal tooth processing. The grinding method comprises the following steps: S1, starting a numerical control grinding machine, selecting a processing program and setting gear processing parameters; S2, the current tooth contact of a grinding wheel and a workpiece gear; S3, after the grinding of the current tooth is completed, the grinding wheel is separated from the workpiece gear; S4, the workpiece gear is divided into teeth, wherein the tooth division pulse number is equal to the basic pulse number plus the compensation pulse number; and S5, repeating S2, S3 and S4. When the grinding of the current tooth is completed and the next tooth is switched to, the decimal part of the tooth division pulse of the current tooth is taken as the compensation pulse, the compensation pulse is added to the basic pulse, so that the tooth division pulse of the next tooth is obtained, and the workpiece gear can be driven to rotate to the next tooth with high precision by the tooth division motor. The high-precision tooth division is realized, the transmission efficiency, the carrying capacity and the service life of the workpiece gear are improved, the noise level of the workpiece gear is reduced, and the increasingly strict requirements of the automobile industry on the gear grinding precision are met.

The present application relates to the technical field of machining, and discloses a gear grinding method for preventing gear grinding burn, which comprises the following steps: setting the execution unilateral feeding amount of each stage; performing trial grinding from multiple directions of the gear; correcting the total grinding allowance according to the first to nth stroke grinding conditions of the trial grinding; performing gear grinding according to the corrected total grinding allowance and the execution unilateral feeding amount of each stage, and controlling the position of the gear grinding cooling oil pipe to make the spark in the gear grinding process not exceed the preset height; monitoring the gear grinding machine main shaft current of each dressing interval of the grinding wheel during the gear grinding process, and reducing the number of gear teeth of the grinding wheel dressing corresponding to the dressing interval when the grinding current of the grinding wheel corresponding to the last tooth exceeds the preset increment of the first tooth grinding current. The gear grinding method for preventing gear grinding burn can not only avoid gear grinding burn in the grinding process, but also maximize the production efficiency under the conditions of small batch and single piece production of gears with different module.

1. Name of the designed product: tooth grinding stick (meat bone). 2. Use of the designed product: the designed product is used for pet playing. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to a method (1) for mechanical tooth grinding, in particular indexing grinding, of a workpiece (2) having an exit-delimited tooth profile (3.3), comprising the following steps: providing and positioning the workpiece (2), the workpiece (2) comprising an exit-delimited tooth profile (3.3) having at least one first tooth-shaped exit (3.3a). Subsequently, a grinding tool (4), in particular a grinding wheel (4), is set (5) to a set position (6). After the tool setting (5), a feed movement (7, 9) of the grinding tool from the first tool setting position (6) in the direction of the tooth-shaped structure (3.3) towards the first tooth-shaped exit structure (3.3a) at a feed speed corresponding to the initial feed speed is carried out. During the feed speed, the feed speed is then reduced relative to the initial feed speed as soon as the grinding tool reaches a predetermined first deceleration position (8) along the feed movement (7, 9). Subsequently, the feed movement (7, 9) is carried out at a reduced feed speed and finally the grinding tool (4) is retracted (10).

The present application relates to a kind of light fixture for turbine blade tenon tooth grinding, for holding turbine blade, the light fixture includes big fixture, small fixture and at least one connecting piece, the small fixture is used to hold turbine blade and is placed in the upside of big fixture, and the upside of big fixture, turbine blade and the upside and downside of small fixture are all parallel to each other, the connecting piece is perpendicular to the upside of big fixture, and one end passes through small fixture, the other end is connected to big fixture.The technical scheme of the present application can improve the technical problem of time-consuming and laborious in the prior art, affect the processing efficiency of each time turning and fixing the whole fixture.

The invention relates to the technical field of artificial tooth grinding, in particular to a grinding machine for artificial teeth. The invention provides the grinding machine for the false teeth, which is better in dust removal effect, convenient to clean and adjustable. The grinding machine for the false teeth comprises a support, a clamping ring, a waste water barrel, a water tank, a first water valve, a water pipe, a second water valve, a dust collection mechanism and a sweeping mechanism, the clamping ring is connected to the upper left portion of the support, the waste water barrel is placed on the lower right portion of the support, the second water valve is installed on the upper portion of the waste water barrel, and the water tank is placed on the rear side of the upper right portion of the support. A first water valve is installed on the lower portion of the water pipe, a dust collection mechanism is arranged on the front side of the upper right portion of the support, and a sweeping mechanism is arranged in the dust collection mechanism. The angle and height are adjusted by holding the dust collection cylinder, the adjustability of the device is improved, airflow is filtered through the filter box, the dust removal effect is improved, dust on the inner wall of the dust collection cylinder is swept through the brush frame, and the cleanliness of the dust collection cylinder is improved.

The present application relates to the technical field of turbine blade tenon tooth forming grinding processing, and discloses a single crystal high-temperature alloy DD9 blade tenon tooth grinding process design method and system, mapping models of material removal rate, surface roughness after grinding and surface microhardness and grinding parameters are respectively established based on the measurement results of the blade tenon of the same material subjected to grinding processing under different grinding parameters; the corresponding weights of different mapping models are assigned, and the maximum and minimum values of each mapping model under the constraint condition of a given grinding parameter range value are comprehensively considered, so that multi-objective optimization is converted into a single-objective comprehensive target optimization function to perform grinding process parameter optimization. The present application can quickly optimize the grinding process parameters under the premise of ensuring the processing quality, ensure the efficient and high-quality grinding forming of the single crystal high-temperature alloy DD9 blade tenon, and obtain the tenon with higher grinding surface quality.

The present application relates to a kind of turbine blade tenon tooth grinding temperature measuring device and method, belong to aero-engine field.It includes: fixture seat, fixture stopper and multiple thermocouple sensor components, the fixture seat with the fixture stopper detachable connection, turbine blade is located between the fixture seat and the fixture stopper, multiple the thermocouple sensor components are located at the end of the fixture seat away from the fixture stopper, and the turbine blade side abuts.This application is favorable in the process of grinding wheel to turbine blade tenon tooth grinding, real-time monitoring the temperature inside turbine blade when grinding tenon tooth, and closed-loop control grinding feed, avoid overheating to cause the change of turbine blade metallographic structure and failure.

1. The name of the design product: pet food leakage device (grilled fish). 2. The use of the design product: the design product is used for pet feeding, tooth grinding and toys. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model is applicable to the technical field of tooth polishers, and provides a tooth grinding polisher which comprises a shell, a power element arranged in the shell, a first bevel gear, a second bevel gear, a first rotating shaft and a second rotating shaft, when a limiting barrel in the inserting mechanism is inserted into a fixing column at the end of a second rotating shaft, wedge-shaped structures at the ends of a plurality of brake blocks in the limiting barrel are matched with a fixing piece, and under the action of a second spring and a movable rod, the brake blocks can be clamped between a movable piece and the fixing piece; the limiting cylinder can be fixed to the fixing disc through cooperation of a plurality of protruding columns at the end of the limiting cylinder and a plurality of grooves in the fixing disc, rapid installation of the polishing head is achieved, on the contrary, when the polishing head needs to be disassembled, fixing of the limiting cylinder on the fixing disc can be relieved only by pressing the polishing head twice, and rapid disassembly of the polishing head is achieved. The device has the advantage of convenience in disassembly and assembly.

The application relates to a helical tooth grinding wheel processing die and a processing method, wherein the helical tooth grinding wheel processing die comprises a female die, a die sleeve and a helical tooth module, the helical tooth module is installed in a slot of the die sleeve, and the die sleeve with the helical tooth module is installed in the female die; the helical tooth module comprises a plug-in block and a forming block, the plug-in block is used for vertically plugging the helical tooth module in the slot, and the forming block is obliquely arranged relative to the plug-in block; the helical tooth grinding wheel comprises a grinding wheel base body and helical teeth, the helical teeth are formed by sintering of metal powder and are connected to the grinding wheel base body; the grinding wheel base body is installed at the inner side of the helical tooth module and is clamped and fixed through a core die assembly; during sintering, the metal powder is placed between the forming block and the grinding wheel base body and is formed and connected to the side wall of the grinding wheel base body through up-down extrusion of a pressing die assembly. The application can be used for directly forming the helical tooth grinding wheel through the pressing die process, greatly improves the production efficiency of the helical tooth grinding wheel and greatly reduces the production cost.

This utility model provides a positioning device for saw blade tooth grinding, belonging to the technical field of saw blade processing equipment, including a saw blade and a positioning device. The positioning device consists of a base, a fixed block, a movable block, and multiple inclined positioning grooves. The positioning groove on the upper surface of the base is inclined at 60° to the front surface, adapting to the inclined surface of the bottom end of the saw blade, and cooperating with a multi-tooth grinding wheel to achieve inclined tooth profile grinding, improving cutting efficiency. The fixed block and the movable block are engaged with the saw blade head and connecting part through notches, combined with a 10° inclined surface clamping design to prevent the saw blade from shifting or tilting in the horizontal and vertical directions during grinding, ensuring positioning stability. The clearance groove is precisely matched with the bottom end of the saw blade, distributing the force and reducing processing errors. The movable block is detachable, facilitating saw blade loading and unloading, and making operation convenient. The grinding wheel shaft can rotate and swing up and down to compensate for the angle deviation of the grinding surface, achieving efficient one-time forming. This utility model solves the problems of unstable positioning, limited angle adjustment, and low efficiency of existing devices.