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22 results about "Tooth rotation" patented technology

But teeth can also become rotated after eruption. Tooth rotation often occurs as a result of crowding, which forces the tooth to present its narrower profile in rotation. Crowding related to wisdom teeth is often cited as a cause for this.

End face logarithmic spiral oscillating tooth transmission device with adjustable backlash

The invention provides an end face logarithmic spiral oscillating tooth transmission device with an adjustable backlash. The device comprises a transmission assembly. The shell allows the movable teeth to pass through; the lubricating assembly comprises an elastic telescopic piece and an abutting assembly, the elastic telescopic piece is arranged in the lubricating hole and can abut against the hole wall of the lubricating hole, one end of the abutting assembly is connected with the end of the elastic telescopic piece, the other end of the abutting assembly abuts against the shell, and the face, abutting against the shell, of the other end of the abutting assembly is an inclined face; wherein the area where the movable teeth rotate in the circumferential direction comprises a top area and a bottom area, and when the movable teeth drive the lubricating assembly to rotate in the bottom area, the lubricating assembly recovers deformation and extends so as to push the abutting assembly to get close to the inclined face, and a space is released for lubricating oil to enter the lubricating hole; when the movable teeth drive the lubricating assembly to rotate in the top area, the lubricating assembly is compressed by the inclined face, so that the elastic telescopic piece is shortened, and the abutting assembly moves into the lubricating hole to extrude lubricating oil in the lubricating hole and discharge the lubricating oil to the meshing tooth face of the inner gear ring.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Cutter head and gear cutting machine for hard peeling or hobbing peeling

The invention relates to a tool head for producing or machining teeth, in particular internal teeth, of a workpiece in the kinematics of hobbing peeling, said teeth being rotated about the tooth axis of rotation (C1) thereof by means of a peeling tool (S) which is held in the tool head and is rotated about the tool axis of rotation thereof, wherein the tooth axis of rotation (C1) and the tool axis of rotation (S1) form an axis angle of intersection (X), which is not zero, with a tool holder (7b), which defines an orientation of the tool axis of rotation (S1) relative to the tool head, and a shaft (6), the shaft is mounted in the tool head for rotation about its drive shaft axis of rotation (B1) and is rotationally driven for machining teeth, and wherein an orientation () of the tool axis of rotation (S1) is present, which orientation is at least 15 DEG and no more than 85 DEG, for a deviation of the orientation of the drive shaft axis of rotation (B1) from the axis position, the axis position is oriented at an axis intersection angle [sigma] with the tooth rotation axis (C1) and the orientation is angled with respect to a plane orthogonal to the drive shaft rotation axis (B1).
Owner:GLEASON SWITZERLAND AG

Turnover type vacuum coating equipment and coating method for double-sided coating of lens

The overturning type vacuum coating equipment comprises a coating box body and a box door connected to the front end of the coating box body, an umbrella stand is detachably connected in the coating box body, a plurality of through holes are formed in the umbrella stand, rotating discs used for containing the lenses are connected in the through holes, and the rotating discs are arranged in the coating box body. The rotating disc is connected with a limiting mechanism used for limiting the lens, the two ends of the connecting shaft are connected with a limiting head and conical teeth, the top of the umbrella frame is rotationally connected with rotating teeth, the rotating teeth are used for driving the conical teeth to synchronously rotate, and the rotating teeth are connected with a driving mechanism used for driving the rotating teeth to rotate. The coating box body is connected with a clamping mechanism for clamping the umbrella stand, and the bottom of the umbrella stand is connected with a positioning mechanism for positioning the connecting shaft. The double-sided coating device drives a plurality of rotating discs and a plurality of lenses to rotate, so that a double-sided coating effect is achieved, the thickness of a film layer is uniform, the structure is compact, and the optical performance and durability are improved.
Owner:DANYANG DINGXIN MASCH EQUIP CO LTD

Collecting and feeding device of branch crusher

The utility model relates to the technical field of branch smashing, and discloses a branch smashing machine gathering and feeding device which comprises a conveying equipment body, and limiting columns are fixedly connected to the two sides of the conveying equipment body. According to the collecting and feeding device of the branch pulverizer, through the arrangement of the adjusting assembly, the collecting assembly and the comb plate, when the collecting and feeding device is used, a motor is started, a main gear rotating rod rotates to drive a bent plate chain to rotate, the bent plate chain drives an auxiliary gear rotating rod to rotate, a collecting plate installed on the bent plate chain is made to rotate, a hydraulic rod B is started to push a collecting frame, and the opening and closing angle is adjusted; the collecting teeth collect branches into the conveying equipment main body, and meanwhile, in the rotating process of the collecting teeth, the branches clamped by the collecting teeth are combed down when passing through the comb grooves of the comb plate, so that the function of automatically collecting the branches is achieved, the situation that branches of the branches are large and difficult to enter feeding equipment of the pulverizer is avoided, and the branch pulverizing rapidity is improved.
Owner:XINJIANG JIANGNAN HEAVY IND MACHINERY EQUIPMENT CO LTD

Terminal crimping pliers with positioner

ActiveCN223942187ULine/current collector detailsDetentTooth rotation
The terminal crimping pliers comprise a first handle and a second handle which is rotatably connected to the first handle, the first handle is provided with a protection sheet, the terminal crimping pliers also comprise crimping teeth which are rotatably arranged on the protection sheet, the crimping teeth surround to form a crimping port, and the second handle is rotatably connected to the second handle. The second handle is provided with a rotating piece used for driving the crimping teeth to rotate to be close to or separated from each other to achieve crimping, a positioning plate is arranged at the position, located at the crimping port, of the protection piece, the positioning plate is movably arranged on the protection piece, a positioning hole is formed in the positioning plate, and the positioning plate can move to enable the positioning hole to correspond to the crimping port. The positioning plate is adopted to fix the metal wire pressing cylinder, so that the metal wire pressing cylinder is prevented from penetrating through the crimping port, and the metal wire pressing cylinder is more convenient to use.
Owner:ZHEJIANG HEXIN METAL TECH CO LTD

Mixing mechanism for hotpot condiment production

The utility model relates to the technical field of hotpot condiment production, and discloses a mixing mechanism for hotpot condiment production, which comprises a base and a mixing box arranged at the upper end of the base, a feeding box is mounted at the upper end of the mixing box, a cover plate is opened, large-particle raw materials in hotpot condiments can be put into the feeding box, a motor is started at the same time, and the feeding box is opened. According to the crushing device, crushing teeth can be driven to rotate, large-particle raw materials can be crushed, the crushed raw materials fall on a filter screen A to be filtered, small-particle materials can be vibrated off through cooperation of a vibration motor and a vibration block, after a period of time, a drawing frame can be pulled out of a feeding box, and the remaining raw materials are poured into the crushing teeth again; according to the hotpot condiment mixing device, repeated smashing can be conducted, mixing is facilitated, other powdery materials can enter the feeding box and fall on the filter screen B, meanwhile, the filter screen B can be vibrated through the vibration block, the powdery materials can fall into the mixing box and are not prone to caking in liquid, and production of hotpot condiments is facilitated.
Owner:YANTAI WEIJI CATERING MANAGEMENT CO LTD

A reliable film breaking control method in the film winding process of a round bale cotton picker

A reliable film breaking control method in the film winding process of a round bale cotton picker, comprising obtaining a nominal film feeding tooth number, which refers to the number of film feeding teeth from the start of film winding to film breaking of the round bale cotton picker, and a photoelectric rotation speed sensor detects the pulse number output by a gear coaxial with a film feeding roller, with one pulse signal output per tooth rotation; in the film winding process, the real-time actual film feeding tooth number is obtained and compared with the nominal film feeding tooth number, and if it is less than a preset error range and a label is detected, or it is greater than a preset upper deviation, film breaking processing is performed, otherwise, even if a label is detected, film breaking processing is not performed. According to the comparison between the actual film feeding tooth number and the nominal film feeding tooth number in the film winding process, the present application realizes reliable control of the film breaking position.
Owner:SHANGHAI UNIV

A crushing head for crushing construction waste

The utility model discloses a kind of for building waste crushing processing's crushing head, specifically related to crushing head technical field, including installation platform, mounting bracket and crushing roller, the both sides of installation platform right side are all equipped with mounting bracket, the inboard of mounting bracket is movably installed with crushing roller, the outer side wall of crushing roller is equipped with crushing tooth, the both ends of crushing roller are fixed with rotating shaft, the bottom end of installation platform right side is provided with material stirring subassembly.The utility model is provided with scraper, scraper is located at the gap between crushing tooth, does not affect the normal rotation of crushing roller and crushing tooth, crushing roller, crushing tooth rotates, when garbage is crushed, if there is sundry stuck between crushing tooth, in the process of crushing roller, crushing tooth rotation, contact with scraper, scraper can assist peeling sundry stuck, carry out cleaning operation, realize the sundry peeling function of the crushing head when using.
Owner:BAODING RUNCHENG NEW BUILDING MATERIALS TECH CO LTD

Tooth rotation process dynamic measurement method and system based on target dental arch curve coordinate system

PendingCN121622302AImage enhancementImage analysisExtract toothGonial angle
The invention belongs to the technical field of orthodontic digital measurement, and discloses a tooth three-dimensional angle dynamic measurement method based on a target dental arch curve coordinate system. The method comprises the following steps: processing a chew occlusion three-dimensional model of a patient by utilizing SolidWorks software, extracting tooth feature points, generating a three-dimensional target dental arch curve through parabolic function, baate function or spline curve fitting, and establishing a dynamic coordinate system consisting of a tangent axis, a main normal axis and a secondary normal axis on the dental arch curve; rotation angle measurement is carried out in a plane defined by a tangent axis and a main normal axis, and the rotation direction is determined by calculating the variable quantity theta of an included angle between a tooth transverse axis vector and a tangent axis unit vector; inclination angle measurement is carried out in a plane defined by a main normal axis and a secondary normal axis, and crown inclination is calculated through the variable quantity phi of an included angle between a tooth long axis and the secondary normal axis. When | delta theta | gt; 5 degrees or | delta phi | gt; at 8 degrees, the system outputs a risk prompt, and dynamic quantification and safety early warning of tooth rotation and inclination angles are realized.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY +1

Synchronous rotating device for lead screw sleeve of bored pile reinforcement cage

The utility model discloses a synchronous rotating device for a lead screw sleeve of a bored pile reinforcement cage, which belongs to the technical field of constructional engineering and comprises two semicircular plates and a plurality of groups of semicircular pipes. The number of the semicircular pipes in each group is equal to the number of the screw rod sleeves of the reinforcement cage, the sleeving structures are connected to the outer portions of the screw rod sleeves in a sleeving mode, the number of the semicircular pipes in each group is equal to the number of the screw rod sleeves of the reinforcement cage, and therefore the screw rod sleeves of the reinforcement cage can be sleeved with the sleeving structures. Then the two semicircular pipes are fixed to the outer portions of the lead screw sleeves through second threaded connecting pieces, a handle is rotated to enable an outer ring to rotate, so that inner teeth drive outer teeth to rotate, then the sleeving structure can drive the lead screw sleeves to rotate, and synchronous rotation of the multiple lead screw sleeves is achieved; the connecting speed of the lead screw sleeve and the positive and negative threads at the two ends of the two steel bars is increased, the working efficiency is improved, and the workload is reduced.
Owner:SINOHYRDO ENG BUREAU 3 CO LTD +1

Operating bed with multifunctional tray

The utility model discloses an operating bed with a multifunctional tray, which relates to the technical field of medical instruments and comprises a bed frame, a supporting device is arranged at the upper end of the bed frame, a translation fixing device is arranged at the front end of the bed frame, and a rotating device is fixedly connected to the upper end of the translation fixing device. A telescopic device is fixedly connected to the upper end of the rotating device, a tray is fixedly connected to the upper end of the telescopic device, and universal wheels are fixedly connected to the four corners of the lower end of the bed frame through supporting legs. The fixing column is manually pressed, the fixing column extrudes the telescopic spring and retracts into the telescopic groove, then the telescopic rod can slide in the rotating rod, after the tray reaches the designated height, the fixing column is loosened, the fixing column is inserted into the fixing hole under the action of the telescopic spring, the rotating motor is controlled to rotate, and the telescopic rod can rotate. And the driving teeth rotate to drive the driven teeth to rotate, so that the rotating shaft rotates on the fixed rod and stops rotating when the tray reaches a specified angle.
Owner:HUAIAN HOSPITAL (HUAIAN CANCER HOSPITAL)

Forage harvest machines having moveable rotor assembly trough portions

The present invention relates to a forage harvest machine (1) including a crop pick-up (20), a rotor assembly (40) that rotates about a rotor axis (R), and one or more plates (216). The rotor assembly includes a rotor shaft (44), a plurality of teeth (48) attached to the rotor shaft for rotation in a teeth rotation area, and one or more augers (50, 51) for directing crop material inward toward the plurality of teeth. The one or more plates (216) radially outward from the teeth rotation area form a first trough (217, 218) and a second trough (248) in which each of the one or more augers (50, 51) is at least partially disposed, at least one of the first and second troughs being moveable relative to the other trough to adjust sizing of an auger discharge pocket (252), thereby preventing or clearing a plugging state of the rotor.
Owner:VERMEER MFG CO

A defoaming device for reaction process of emulsifier production

The utility model discloses a reaction process defoaming device for emulsifier production belongs to fine chemical industry technical field, and its technical scheme main points include the stirring barrel, the bottom fixed connection of stirring barrel has the support, the inboard swing joint of stirring barrel has the shunt guide mechanism, the inboard swing joint of shunt guide mechanism has the mixed defoaming mechanism, can solve the problem of the uneven emulsification caused by the bubble gathering of traditional stirring, and promotes the uniformity and quality of emulsion, drives the incomplete tooth rotation through servo motor, and when the transmission tooth is engaged, drives the forward rotation of main shaft and flow guide rod, and the liquid is guided to the center from the top and bottom two ends outside the flow guide rod, forms the turbulence state, when the incomplete tooth tooth surface is disengaged, and the transmission tooth and the main shaft are made transmission tooth and the main shaft rotate rapidly by the torsional spring effect, drive flow guide rod reverse rotation, form the opposite vortex, can effectively break the local stable state that liquid is easy to form in traditional stirring.
Owner:SANGDA CHEM NANTONG LTD

Sectional type pitched roof demolding mold

The utility model relates to the technical field of pitched roof demolding molds, and discloses a sectional type pitched roof demolding mold which comprises a mold container, two mold core grooves are formed in the mold container, and a connecting channel is arranged between the two mold core grooves so as to facilitate material flowing and pressure balance. A plastic product is arranged in the mold core groove, and the plastic product is circular. Three groups of pitched roof grooves are adopted, pitched roofs are arranged in the pitched roof grooves in a matched mode, under independent slow wire cutting, independent tooth beating is carried out, product teeth are in a pitched roof limit ejection mode, independent wire cutting forming is carried out, grinding machine machining is carried out, group-by-group serial number identification is carried out, discharging is carried out in sequence according to the electrode angle, and one group of teeth and one type of electrode meet the requirements that the tooth form is complete, and tooth rotating is smooth. According to the electrode machining mode, the whole thread form of a lathe is machined according to the standard, then wire cutting machining is conducted to calibrate the meter standard, the thread is divided into three sections to be subjected to wire cutting machining according to the standard, and finally the exquisite product details and the process stability are guaranteed while efficient production of the pitched roof demolding mold is achieved.
Owner:XIAMEN JINGSHANGCHENG PRECISION MOULD CO LTD

A side gap adjustable end face logarithmic spiral movable tooth transmission device

The application provides a side gap adjustable end face logarithmic spiral movable tooth transmission device, which comprises a transmission assembly, a shell allowing the movable tooth to pass through, and a lubricating assembly comprising an elastic expansion piece and an abutting assembly. The elastic expansion piece is arranged in a lubricating hole and can abut against the hole wall of the lubricating hole. The abutting assembly is connected with one end of the elastic expansion piece and abuts against the shell with the other end. The surface abutting against the shell with the other end is a slope. The movable tooth rotation area in the circumferential direction comprises a top area and a bottom area. When the movable tooth drives the lubricating assembly to rotate in the bottom area, the lubricating assembly restores the deformation and is elongated to push the abutting assembly to approach the slope, thereby releasing space for the lubricating oil to enter the lubricating hole. When the movable tooth drives the lubricating assembly to rotate in the top area, the lubricating assembly is compressed by the slope, so that the elastic expansion piece is shortened and the abutting assembly moves to the lubricating hole to extrude the lubricating oil in the lubricating hole and make it be discharged to the meshing tooth surface of the inner gear ring.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Clamp for detecting tooth thickness of gear forge piece

The utility model discloses a fixture for detecting the tooth thickness of a gear forge piece, which comprises a bottom plate, a motor fixedly mounted at the middle end of the top of the bottom plate through a bolt, a gear fixedly connected with the output end of the motor, teeth meshed with the surface of the gear, a moving plate fixedly connected with the inner side of the teeth, and a limiting rod fixedly connected with the inner side of the moving plate. Limiting columns are fixedly connected to the tops of the limiting rods, first rubber blocks are fixedly connected to the left side and the right side of the top of the bottom plate, and first buffer springs are fixedly connected to the tops of the first rubber blocks. The motor starts to work, the motor drives the gear to rotate, the gear drives the teeth to rotate, the teeth drive the movable plate to move towards the two sides, the movable plate drives the limiting rod to move towards the two sides, the limiting rod drives the limiting column to move towards the two sides, and a hole of a gear forge piece is limited through the limiting column. Therefore, gear forgings with different lengths can be conveniently clamped and limited, and the gear forgings can be conveniently detected.
Owner:CHANGZHOU JIANGNAN WANLI MASCH FITTINGS CO LTD

A poultry breeding feed mixing device

The utility model discloses a kind of poultry breeding feed mixing device, it is related to poultry breeding feed mixing technical field.The utility model includes swing part, the swing part is for to auxiliary material mixing;The mixing part is installed in swing part inside, and the mixing part is for to material mixing;When mixing part mixes material, auxiliary processing is carried out by swing part.The utility model is moved by setting auxiliary impeller, specifically is moved by connecting rod rotation to drive connecting frame, when connecting frame moves, it will synchronously drive rotating tooth to carry out circumferential rotation, because rotating tooth outer surface has fixed gear, so it will rotate while rotating tooth carries out circumferential rotation, then by rotating tooth rotation to drive rotating rod to rotate, then by rotating rod rotation to drive auxiliary impeller to rotate, and by auxiliary impeller to mix the material at the bottom of mixing box, prevent the material at the bottom from appearing uneven mixing.
Owner:CHENGDU YUANYUCHENG AGRICULTURE & ANIMAL HUSBANDRY TECHNOLOGY CO LTD

Toothless pressing rod and carrying flower basket structure

The utility model discloses a toothless pressing rod and a carrying flower basket structure. The toothless pressing rod at least comprises but is not limited to a rod body part, a clamping ring part, a limiting part and a clamping tongue part, the clamping ring parts are symmetrically arranged at the two ends of the rod body part, the clamping ring parts are connected with the limiting parts, the limiting parts are connected with the clamping tongue parts, and the side wall of the rod body part is smoothly arranged; when the toothless pressing rod is used, the toothless pressing rod is pressed into a preset position on a flower basket through an external mechanical structure, the whole toothless pressing rod rotates through cooperation of the clamping tongue part and the rotating structure, finally the whole limiting part is clamped into the clamping groove of the flower basket, fixing of the toothless pressing rod is achieved, and due to the fact that the rod body part of the toothless pressing rod is arranged smoothly, the toothless pressing rod is not prone to falling off. Therefore, when the compression bar teeth are driven to rotate, the compression bar teeth do not interfere with the silicon wafers at the bottom of the compression bar teeth, meanwhile, when the compression bar teeth are clamped and fixed, the tops of the silicon wafers can be limited, the silicon wafers are prevented from being separated from the tops, the situation that in the prior art, the silicon wafers are damaged due to rotation of the compression bar teeth is avoided, and the transportation safety of the silicon wafers is improved.
Owner:MEISHAN LIANSHENG PHOTOVOLTAIC TECH CO LTD

A reversing mechanism and tubing power tong

The utility model relates to oil pipe power tongs technical field, concretely is a kind of reversing mechanism and oil pipe power tongs, the upper portion of shell is equipped with connecting block, reversing tooth rotation is connected in the inside of shell, and the inside rotation of reversing tooth is connected with fine adjustment component, the side of reversing tooth is equipped with gear one, and the side of gear one is equipped with motor one, the fine adjustment component includes swivel block and electric telescopic handle, and the side rotation of swivel block is connected with electric telescopic handle;Beneficial effect is: according to the clamping direction starting motor one drive gear one rotates, gear one drives reversing tooth to rotate in shell, to drive power tongs body rotation, it is convenient to roughly adjust the attitude of power tongs body, power tongs body clamping, electric telescopic handle is slack state, it is convenient to power tongs body clamping automatically fine adjustment and adapt clamping axis, after clamping, electric telescopic handle starts fixed length, the position of fixed swivel block, prevent the shear force damage clamping object when clamping.
Owner:JIANHU HANDA MASCH MFG CO LTD

Method for rotating reusable side guide plate wear-resistant sheet without groove after use

The invention relates to a method for rotating a side guide plate wear-resisting piece capable of being reused for multiple times without grooves after use, and belongs to the field of side guide plate wear-resisting piece use technologies. Side guide plate body opening detection devices are arranged between the two outer sides of a side guide plate body and a hydraulic cylinder, and a rotation number detection device is arranged on a wear-resisting piece rotating device; a front strip steel passing detection sensor and a rear strip steel passing detection sensor are arranged at the front position and the rear position of a roller way upper side guide plate body respectively, and after strip steel passes and it is detected that the two side guide plate bodies are opened, a controller controls output teeth of a speed reducer or a motor to rotate, so that abrasion-resistant pieces rotate by the minimum angle, and the bottoms of abrasion-resistant grooves which pass multiple times are sequentially arranged; a regeneration plane is formed on the wear-resistant sheet, and the wear-resistant sheet can be continuously used on the basis and can be repeatedly used for multiple times, so that the use frequency of the wear-resistant sheet is prolonged, the service life of the wear-resistant sheet is prolonged, the replacement frequency of the wear-resistant sheet is reduced, and the production efficiency is improved.
Owner:ANYANG JINBO WEARABLE STEEL PIECES CO LTD