33 results about "Parts tooth" patented technology

The invention relates to an implant (10) for anchoring in the human (optionally also in the animal) maxilla or mandible, a device (100) (an instrument) for bending an implant (10), a system, which comprises an implant (10) and a device (100) for bending an implant (10), and a method for bending an implant. As a result of the bending geometry, an implant (10) is provided which is bendable in a simple and materially-careful manner, in particular also after implantation, i.e., already anchored in the jaw bone. The device (100) for bending the implant (10) enables, as a result of the pliers-shaped design having corresponding holding (113) and support (123) units, the bending of the implant (10) in a simple manner, in particular the bending after implantation thereof, so that a treatment which protects the implantation region is ensured, in particular, no damage of the bone bed is induced. In addition, a method for bending the implant (10) is provided.

The present invention discloses a large-scale sprocket tooth-form automatic measurement device based on a machine vision. The device provided by the invention comprises a loading bin, a conveying robot system, a vision detection system and a blanking bin. The loading bin is configured to locate sprocket parts prior to measurement; the conveying robot system is configured to complete the loading, the displacement and the blanking of the sprocket parts; the vision detection system is configured to collect the quality information of the sprocket parts one by one through adoption of the machine vision technology; the blanking bin is configured to dispose sprocket parts which have been measured. According to the invention, the automatic collection measurement of the large-scale sprocket part tooth-form data is realized, so that the difficulty of the sprocket part tooth-form measurement is effectively reduced, the whole detection process is not influenced by human factors, and the accuracy of the detection quality of products is effectively ensured. The quality information collected by machine vision may be stored in a computer to provide an effective feedback to the link of the part manufacture, and the preparation may be further performed for the statistics process control and the digital manufacture.

The invention discloses a numerical control tooth grinding method of a circular saw blade. The numerical control tooth grinding method comprises the following steps: Step one, a grinding wheel component is constructed at an operation end of an XY-axis translation mechanism, a work spindle and a work motor are constructed at a Z-axis translation mechanism, and the work spindle is driven by the work motor; Step two, driving parameters of a numerical control cabinet for controlling the XY-axis translation mechanism, the Z-axis translation mechanism and the work motor are set; Step three, the Z-axis translation mechanism, according to the driving parameters, adjusts the circular saw blade mounted at the work spindle to be in a middle part tooth grinding station in the Z-axis direction, the work motor drives the work spindle to carry out stepping rotation according to the driving parameters, and the XY-axis translation mechanism drives the grinding wheel component to polish grinding teeth of the circular saw blade one by one; and Step four, the Z-axis translation mechanism, according to the driving parameters, adjusts the circular saw blade of the work spindle to be in an upper chamfer station or in a lower chamfer station of the circular saw blade of the work spindle, the work motor drives the work spindle to rotate according to the driving parameters, and the XY-axis translation mechanism drives the grinding wheel component to polish lower chamfers or upper chamfers of the grinding teeth of the circular saw blade at a high speed.

The invention provides a split type linear motor iron core. The split type linear motor iron core comprises a plurality of T-shaped main teeth spliced mutually; end part teeth are spliced beside the T-shaped main tooth at the head end and the T-shaped main tooth at the tail end respectively; an integrally formed single sheet is designed into a single-tooth structure; a female buckle and a male buckle matched therewith are arranged at the two ends of the connecting part of each T-shaped main tooth; iron cores of different lengths and different dimensions can be manufactured by the one-by-one splicing way, so that the manufacturing of the iron cores can be standard; meanwhile, the cost of re-mould-opening is omitted; the single sheet is prepared into the single-tooth structure, and a winding machine can perform direct winding on the T-shaped main teeth, so that a good heat conducting effect is achieved, and heat dissipation of the iron core is accelerated; direct winding on the T-shaped main teeth can be performed, and tooth shoes can be arranged at the bottom ends of the winding parts of the T-shaped main teeth, so that magnetic resistance can be lowered by virtue of the tooth shoes, and the magnetic flux of the iron core can be improved; and the winding machine can perform direct winding on the T-shaped main teeth, so that more coils can be wound around the single teeth, and high thrust density is realized.

The invention discloses a full-superconducting primary excitation linear generator for direct-drive type wave power generation. The full-superconducting primary excitation linear generator comprises a primary stator and a secondary mover, wherein the primary stator comprises multiple groups of stator units arranged in a straight line; each stator unit comprises a U-shaped core, primary armature windings and primary exciting windings; the U-shaped core comprises two primary cores; an opening of the U-shaped core faces the secondary mover; the primary armature windings are arranged in the primary cores; the primary exciting windings are arranged in the U-shaped core; the secondary mover is the core which does not contain a winding and has a cogging structure; and a corresponding cogging structure is arranged on each primary core. According to the full-superconducting primary excitation linear generator, an arc-shaped structure exciting winding sleeves the outside of each primary core; and a cooling system does not move, so that the complexity level is reduced. The magnetic field conversion rate and the terminal voltage can be increased by a multi-tooth structure secondary; the defect of a low low-speed voltage is compensated; and by unequally-spaced teeth, the voltage frequency and amplitude generated when the generator moves to the end part are increased by reducing the end-part tooth pitch.

The invention discloses a method for designing a hot-forging die tooth form of a rockshaft with teeth. The method comprises the following steps that the tooth form shape is drawn according to tooth form parameters of the rockshaft, and the tooth form shape is decomposed into a part tooth crest curve a, a part involute curve b and a part tooth root curve c; the part tooth crest curve a and the part involute curve b offset outwards in an equally-spaced mode to obtain a tooth crest curve a1 and an involute curve b1; fitting is performed on the outer side of the part tooth root curve c to obtain different tooth root curves, and a tooth root curve c1 applicable to forge piece material flowing is drawn; the tooth root curve c1 and the involute curve b1 are connected into a whole in a fitting mode; gaps between the tooth crest curve a1 and the involute curve b1 are in smooth transition connection through an arc; the curve composed of the tooth crest curve a1, the involute curve b1, the tooth root curve c and the arc connecting the tooth crest curve a1 and the involute curve b1 is a die tooth form curve. According to the method, the service life of the die can be prolonged, and the tooth form working allowance is reduced.

The invention discloses a sliding chain which comprises a parent part assembly and a child part assembly, the parent part assembly comprises a parent part base band and parent part teeth, and tooth inner cavities and cloth seam parts on the side walls of the tooth inner cavities are formed in the parent part teeth; the sub-component assembly comprises a sub-component base band and sub-component teeth, each sub-component tooth comprises a fixed tooth column, a connecting part and a sub-component tooth ball which are sequentially connected, the fixed tooth columns are fixed to the sub-component base band, the sub-component tooth balls are matched with the tooth inner cavities, and the connecting parts are matched with the cloth seam parts, so that the sub-component tooth balls can slide along the tooth inner cavities which are sequentially arranged. The child part assembly of the sliding chain can freely slide relative to the mother part assembly, and when the sliding chain is applied to the connection position of a hat, the hat can rotate along with rotation of the head; and moreover, the direct contact between the teeth of the primary piece and the base band of the secondary piece is avoided, and the problem of unsmooth sliding caused by increase of sliding friction force due to fluffing of the base band of the secondary piece is avoided.

The invention relates to a multi-part tooth implant with at least a proximal implant part and a distal implant part that are to be connected to each other such that a connection site is obtained when the two implant parts are in the connected state. An annular sealing element is arranged at this connection site and, in the fully assembled state of the tooth implant, is clamped between mutually opposite sealing surfaces, namely a sealing surface of the proximal implant part and a sealing surface of the distal implant part, such that the sealing element has an outer surface portion that forms part of the outer contour of the tooth implant. The two sealing surfaces initially approach each other in a direction oriented outwards from a central longitudinal axis of the tooth implant. The sealing surfaces merge into outer surfaces of the tooth implant at the place where, in the outer contour of the fully assembled tooth implant, a surface portion formed by the sealing element in each case adjoins a surface portion formed by the respective implant part. These outer surfaces move away from each other in the outwardly oriented direction.

The invention discloses a process of removing residual burrs in a toothlet fine blanking part tooth. The process particularly comprises the following steps: placing a plurality of toothlet fine blanking parts, on the surfaces of which burrs are removed in advance, in a part accommodating cavity of a vibrating finisher; adjusting the vibrating finisher to be at a certain vibration frequency; and under the working condition of not adding an abrasive into the part accommodating cavity, keeping the vibrating finisher working for a predetermined time. Compared with a process of removing residual burrs in a toothlet fine blanking part tooth by means of shot blasting in the prior art, the process provided by the invention utilizes meshing collision between part teeth to remove the residual burrsin the part teeth, is higher in efficiency and lower in cost, can not only cause no damage to the appearance quality of the parts but also improve the surface finish degree of the parts, and leads tono environmental pollution in the process.

The invention relates to conductor rails for rail transit, in particular to a steel-aluminum composite conductor rail and a manufacturing method thereof. The steel-aluminum composite conductor rail comprises an aluminum base and is characterized in that a plate-shaped wear-resistant body is arranged at the upper end of the aluminum base, wear-resistant body clamp grooves are arranged in two sidesof the upper end of the aluminum base, the wear-resistant body comprises two single wear-resistant body parts, the section of each single wear-resistant body part is L-shaped, the lower end of each single wear-resistant body part bends inwardly to form a bent part, single wear-resistant body part teeth are evenly arranged at the edge of each bent part, a central-embedded-strip mounting groove is formed in the upper end of the aluminum base, a central embedded strip is arranged in the central-embedded-strip mounting groove, the two sides of the central embedded strip compresses against the lateral wall of the central-embedded-strip mounting groove, and the lower end of the central embedded strip is evenly provided with central-embedded-strip teeth. The steel-aluminum composite conductor rail is manufactured through insertion, rolling, welding, milling and cutting. The manufactured steel-aluminum composite conductor rail is tight and firm in bidirectional combination, high in overall dimensional precision, flexible and diversified in section shape and simple and efficient in manufacturing process.

The invention discloses a magnesium alloy part tooth-pushing mechanism. The magnesium alloy part tooth-pushing mechanism comprises a positioning block, a tooth cutter, a self-return linear slide mechanism and a jacking mechanism, wherein a positioning hole and a tooth cutter through hole are formed in the positioning block; the positioning hole communicates with the inner cavity of the tooth cutter through hole; the tooth cutter which is adaptive to the tooth cutter through hole is movably arranged in the tooth cutter through hole in a penetrating mode; the tooth cutter is arranged in a slidedirection of the self-return linear slide mechanism; the tail end of the tooth cutter is connected to a slide part of the self-return linear slide mechanism; the jacking mechanism and the tooth cutterare separately positioned at the two ends of the self-return linear slide mechanism; and the jacking mechanism jacks the slide part, so that the tooth cutter is pushed to slide across the positioninghole. The magnesium alloy part tooth-pushing mechanism disclosed by the invention, the tooth pushing structure acts once for processing out a tooth-shaped structure on a workpiece conveniently and quickly; and the tooth pushing mechanism is easily integrated onto a mold of a trimming and material-removing head slag ladle, so that processes are favorably saved, production efficiency is improved, and cost is reduced.

The invention discloses an efficient tooth cleaning toothbrush, which comprises a brush head, a connecting part and a handle, wherein the brush head comprises a brush head body front part and a brush head body back part; the brush head comprises a brush head body and brush hair; the roots of the brush hair are planted on the inner wall surface of the brush head body; the brush head body comprises the brush head body front part and the brush head body back part; the brush head body front part is hooked back and bent towards the inner wall surface of the brush head body back part, so that an included angle alpha is formed between the inner wall surface of the brush head body front part and the inner wall surface of the brush head body back part, and the alpha is greater than 90 degrees but smaller than 180 degrees; the brush hair comprises front brush hair arranged at the brush head body front part and back brush hair arranged at the brush head body back part; the root planting direction of the brush hair is vertical to the brush head body front part; and the root planting direction of the back brush hair is vertical to the brush head body back part. The efficient tooth cleaning toothbrush has the advantages that the efficient tooth cleaning toothbrush can be effectively attached to the tooth surfaces; tooth seams and back part teeth in the oral cavity can be effectively cleaned; and the teeth are comprehensively cleaned.

The invention discloses a spline broach lifting tailstock grinding process which comprises a part body, a part tooth profile, a machined surface and a broach tooth profile. When the part body is machined, the broach tooth profile is lifted to be subjected to surface treatment according to the use condition, the tail of a broach is lifted, a new tooth profile is designed, and therefore when the broach is placed flat for use, the tooth tip of each tooth falls on the part theoretical tooth profile line. By calculating the process size before machining, the machining precision is greatly improved, the machining quality is improved, and the problems that in the machining process, severe friction occurs between the broach tooth profile surface and the machined surface of the part, the quality of the machined surface becomes poor, the diameter of the broach becomes larger and larger along with advancing of the broach, the machined surface is increased tooth by tooth, friction is increasingly severe, squeal and vibration occur, galling, scaling, tearing and other defects occur to the machined surface, and the broach can be broken or a machine tool can be jammed when the defects are severe are solved.