165results about "Grinding/polishing hand tools" patented technology

A sharpening sheath, adapted to receive a knife to be sharpened or stored, comprising a cavity for receiving a blade, an access opening at one end of the cavity, the sheath comprising, preferably in the vicinity of the access opening an upper part provided with a guiding device for the back of the blade and a lower part comprising a sharpening device on which the cutting edge of the blade is intended to be applied when inserting or extracting the blade in the sheath, characterized in that the guide device comprises a V-shaped groove and in that the sharpening device comprises two sharpening elements arranged in a V-shape opposite the groove of the guide device, the sharpening device being mounted so as to be movable relative to the guide device and being returned by return means in the direction of the guide device.

The utility model relates to a knife sharpening auxiliary structure and a knife sharpening device, and belongs to the technical field of knife sharpeners. The cutter placing table comprises a base and limiting assemblies arranged on the base left and right, the limiting assemblies are symmetrically located on the two sides of the base, each limiting assembly comprises a first limiting plate and a second limiting plate, and a limiting gap used for limiting a cutting edge is formed between the first limiting plate and the second limiting plate which are parallel to each other; the first limiting plate and the second limiting plate incline downwards towards the center point of the base. The utility model provides a knife sharpening auxiliary structure and a knife sharpening device, which ensure that the grinding angle is accurate and consistent through an inclined limiting plate and improve the grinding quality. The two faces of the knife stone assembly are different in roughness, coarse grinding and accurate grinding can be rapidly switched, and the grinding efficiency is improved. And the cutter placing table and the fixing seat are quickly disassembled and assembled, and the universality is high. The overturning assembly is ingenious in design, it is guaranteed that the knife stone is overturned flexibly and stably, user experience is optimized, the cutting edge is evenly ground through the two-way sliding design, and the knife connecting trace is eliminated.

A polishing device (PD) comprises: - a flexible abrasive sheet (FA) having a back face (FR) suitable for polishing a workpiece (PAP), - a flexible backing sheet (FS) positioned in front of the front face (FV) of the abrasive sheet (FA), to which is attached a set (ES) of ballast bags (SL) distributed in a chosen manner and having respective weights chosen to apply uniform pressure to the abrasive sheet (FA) during the polishing of the workpiece (PAP), and - a support (SD) on which the abrasive sheet (FA) and backing sheet (FS) are suspended. Figure 1

The utility model provides a kind of multifunctional knife sharpener with food temperature detection, including knife sharpener, the knife sharpener is equipped with several grinding mouth for tool grinding;Still include food temperature probe;The knife sharpener is equipped with the probe storage groove for accommodating food temperature probe;The first end of the food temperature probe is hinged with probe storage groove, to make the second end of food temperature probe rotatable remove probe storage groove or move into probe storage groove;The second end of the food temperature probe is used to detect the temperature of food.The utility model integrates food temperature probe on knife sharpener, and enriches the function of knife sharpener;Food temperature probe is installed on knife sharpener by hinged connection mode, and can be rotated to remove and use, and then hidden in probe storage groove for storage after use, simple operation, flexible and convenient to use.

The present invention provides an abrasive composite that, when polymerized, has a glass transition temperature (T g ) and a first crosslinkable binder component having a modulus of elasticity of less than about 150 MPa; T above room temperature g a second crosslinkable binder component having a material capable of initiating addition polymerization; and particulate particles having a Mohs hardness value of about 3 or less.

A file (1) for producing an uneven contour, in particular with a transverse curvature on a workpiece (11), comprises a longitudinal axis (3), at least one file element (5, 6) with an abrasive machining surface (8) and a depth stop element (7) with a non-abrasive sliding surface (9), wherein the at least one file element (5, 6) and the depth stop element (7) are arranged next to each other in a plane oriented perpendicular to the longitudinal axis (3).

Hand sanding block (1) with a cuboid shape, having two opposite working sides (2, 4), two opposite mounting surfaces (6) for an abrasive (8) and two end faces (13), wherein one working side (2) has a flat working surface (3) and the other working side (4) has a recess (5) which can be spanned with an abrasive (8).

The utility model relates to the technical field of ceramic tile production, in particular to an elastic grinding block for a marble ceramic tile polishing machine, which comprises a supporting seat and a grinding body. The supporting base is installed on a polishing machine main shaft and provided with an installation cavity, a plurality of paired supporting bosses are arranged in the cavity and distributed on the opposite side faces, the normal vectors of the side faces are parallel, and it is guaranteed that the positions are regular and symmetrical. The grinding body is embedded in the mounting cavity, and the peripheral wall is provided with a structural groove corresponding to the supporting boss. During installation, the supporting boss is clamped into the groove, stable connection of the grinding body and the supporting base is achieved, and the grinding body moves along with the main shaft for polishing. By means of the connection mode, when the spindle rotates at high speed, the grinding body is prevented from shaking and displacing, position stability is guaranteed, and polishing precision and consistency are improved. And meanwhile, the paired supporting bosses can uniformly disperse the stress of the grinding body, so that the cracking risk of parts caused by non-uniform stress is reduced, and the service life of the grinding body and related parts is prolonged.

A knife sharpening apparatus has a rear face 1, front face 2, groove 3 and a sharpener 4. The groove extends longitudinally from the front to rear faces, which may restrict movement of the knife, and

The utility model discloses a kind of self-adaptive whetting structure, comprising: rotating seat, it is rotated along the setting of axis A;Sharpening component, it is set on rotating seat, at least has one sharpening surface, cutting into side surface and sharpening surface along the direction of axis A with blade edge, in initial position state, the direction of the path of the inclined sharpening surface to blade edge, with the spacing b between blade edge is formed, and spacing b is along the path direction of blade edge by big to small, or by small to big change setting;Blade edge exerts force to sharpening surface, drive rotating seat to rotate, to make with rotating seat coaxial rotation that sharpening surface accompanies occurs, and then change spacing b, to adaptively fit blade edge;The utility model relates to the technical field of whetting device.

This invention discloses a polishing composition and its application in removing titanium nitride layers from semiconductor chips. The polishing composition comprises the following components in parts by weight: 100 parts water, 3-10 parts titanium nitride, and 3-10 parts metal oxide. This invention provides a polishing composition mainly composed of water, titanium nitride, and metal oxide. By using a polishing slurry made of particles of the same material as the sample being polished, the affinity between the slurry and the sample can be ensured, thereby improving polishing efficiency and uniformity, and achieving uniform removal of nanoscale-thick titanium nitride layers. Compared to current acid-based methods of corroding titanium nitride layers, the water-based polishing slurry of this invention does not cause uneven corrosion, thus achieving uniform removal of nanoscale-thick titanium nitride layers from a single chip.

We offer an outdoor knife that allows you to perform tasks such as "cutting," "starting a fire," and "sharpening the blade" with a single tool, especially during emergencies like natural disasters or outdoor activities. [Solution] An outdoor knife characterized by having a fire starter and a cushioned sharpening tool fixed to the sheath.

A foldable sander head includes a head body with first and second head portions. The first and second head portion are pivotable relative to one another about a pivot joint between a planar configuration and a non-planar configuration. A pivot joint connector couples the first and second head portions to one another. The pivot joint connector includes a slide coupler that is slidably coupled to the first and second head portions, such as by tracks on the first and second head portions. The first and second head portions are selectively lockable relative to one another in the planar configuration and are free to pivot in the non-planar configuration. The pivot joint passes through and orthogonal to a central axis of the head body.

The invention relates to a file (1) for creating a non-planar contour, in particular with transverse curvature, on a workpiece (11), comprising a longitudinal axis (3), at least one file element (5, 6) with an abrasive processing surface (8) and a depth stop element (7) with a non-abrasive sliding surface (9), wherein the at least one file element (5, 6) and the depth stop element (7) are arranged adjacent to one another in a plane oriented perpendicular to the longitudinal axis (3).

The application discloses a metal-resin composite grinding block for processing calcium carbonate inorganic stone and a preparation method thereof. The composite grinding block comprises a clamping seat and a grinding block fixed on the clamping seat. The grinding block comprises a resin base, metal grinding blocks arranged on the upper surface of the resin base, and resin grinding blocks. The resin grinding blocks are arranged on the two sides of the metal grinding blocks. The resin grinding blocks are integrally formed with the resin base. The inclined grooves for chip removal and cooling are arranged between the resin grinding blocks and the metal grinding blocks and between the metal grinding blocks. The metal-resin composite grinding block can obtain a good and continuous polishing effect during the polishing process of the calcium carbonate inorganic stone, can effectively avoid the problems of brick surface grinding and crushing, and can guarantee the service life of the grinding block.

The utility model relates to the technical field of knife sharpeners, in particular to a knife sharpener which comprises a base, a clamp base, a supporting frame fixed to the base and a grinding piece connected to the supporting frame in a sliding mode. The clamp seat is horizontally connected with the base in a sliding mode, a sliding locking piece is installed on the clamp seat, and a clamp is installed on the clamp seat; after the technical scheme is adopted, when the cutting edge of the cutter is long, the position of the cutter can be adjusted by adjusting the position of the clamp base only by unlocking the sliding locking piece, after the cutter is adjusted to the needed position, the clamp base can be fixed to the base only by locking the sliding locking piece, the cutter does not need to be detached from the clamp, and operation is easy and convenient.

The application provides a preparation method of an oil stone grinding wheel and an oil stone grinding wheel prepared by the method, and relates to the technical field of abrasive tool manufacturing. The method comprises the following steps: S1, oil stone body injection molding, mixing oil stone abrasive, a binder and paraffin into slurry, and then injecting the slurry into a mold to form an oil stone body after dewaxing and sintering; S2, plastic base injection molding, manufacturing an engineering plastic base with a matching inner hole or groove; S3, side surface bonding, bonding and solidifying the oil stone body and the base at the side surface by using high-strength glue; and S4, post-processing, performing size detection, dynamic balance correction and surface finishing. The obtained oil stone grinding wheel is composed of an injection-molded integral oil stone body and an injection-molded plastic base and is bonded at the side surface. The application realizes high-uniform molding of the oil stone, adaptation to complex shapes and improvement of the production environment. The structural design significantly reduces the cost and improves the reliability through side surface connection, and is suitable for precise and efficient grinding.

The utility model discloses a sponge composite grid sanding block structure which comprises two sponge layers which are arranged in a mutually stacked mode, first grids are arranged on the inner sides of the two sponge layers which are stacked, second grids are arranged on the outer sides of the two sponge layers, the two sponge layers are connected through a flexible connecting part with flexibility and elasticity, and the two sponge layers are connected through a first grid and a second grid. The flexible connecting part enables the two sponge layers to be turned over relatively; the sides, away from the flexible connecting part, of the two sponge layers are each provided with two sets of turnover positioning structures, the flexible connecting part is a flexible rubber strip, and each turnover positioning structure comprises a positioning table arranged on the corresponding sponge layer. By arranging the two sponge layers capable of being turned over oppositely and the grids on the inner side and the outer side, cyclic utilization of the grinding face is achieved, the replacement frequency is reduced, the service life is prolonged, cost is reduced, meanwhile, it is guaranteed that the sponge layers are turned over accurately in place through the turning positioning structure, the structure is stable during grinding, grinding accuracy and stability are guaranteed, and the workpiece machining quality is improved.

A refining segment (4) for a refiner (1) for refining lignocellulose-containing fibrous material. The refining segment comprises an inner end edge (20) and an outer end edge (21) opposite to the inner end edge, and a refining surface (5) comprising refining bars (25) and refining grooves (26) therebetween. The refining surface comprises at least one recess (27, 27', 27") extending from the outer end edge of the refining segment at least partly towards the inner end edge for forming at least partly at least one backflow guide groove (28) extending from the outer end edge of the refining segment at least partly towards the inner end edge. A volume of the at least one recess is arranged to decrease towards the inner end edge for providing the volume of the at least one backflow guide groove to decrease towards the inner end edge.

The invention relates to a foam abrasive (10) for grinding a workpiece, comprising a main part (14) made of foam, in particular polyurethane foam, and abrasive grains (12) which are fixed to at least one surface (16) of the foam abrasive (10) by means of a base binder (18) made of thermoplastic polyurethane (TPU). According to the invention, the abrasive grains (12) are covered with a cover binder (20). The invention additionally relates to a method for producing the foam abrasive (10).

The present disclosure relates to a sharpener, comprising a housing (1) in which there is provided a cavity (11) intended to receive a blade (110) to be sharpened, a sharpening device (2), an arm (3), and a return device (4) connecting the housing (1) to the arm (3), wherein the housing (1) further comprises a sliding pivot connection (15) in which the arm (3) is mounted so as to be able to move in translation and in rotation with respect to the housing (1), and wherein the return device (4) is arranged such that, when the blade (110) is inserted, the rotation of the arm (3) tends to increase the return force exerted by the return device (4) while the translation of the arm (3) tends to at least partially compensate for the increase in the return force.

The utility model belongs to the technical field of cutters, and particularly relates to a wear-resistant tungsten-titanium-cobalt alloy cutter which comprises a cutter handle, an insertion groove is formed in the cutter handle, an installation plate is installed in the insertion groove in an inserted mode, a fixing block is fixedly installed at one end of the installation plate, and a tungsten-titanium-cobalt alloy cutter body is fixedly installed on one side of the fixing block. A through groove is formed in the end, away from the tungsten-titanium-cobalt alloy cutter body, of the cutter handle. The two circular grooves are formed in the knife handle and located below the inserting grooves, the circular grooves are communicated with the through groove, circular plates are arranged in the circular grooves, and springs fixed to the inner walls of the circular grooves are fixedly installed on the sides, away from the through groove, of the circular plates. The first metal polishing rod and the second metal polishing rod can be ensured to be placed in the knife handle, the situation that the holding hand feeling of a user is affected by holding and placing the handle when the user holds the knife handle is avoided, meanwhile, the first metal polishing rod and the second metal polishing rod can be detached and placed in the knife handle after being used, and the situation that the first metal polishing rod and the second metal polishing rod are forgotten to be lost is avoided.

A sharpening tool having a handle, a housing portion that encases a rotatable disk with various sharpening mediums along its perimeter, and a back portion with an additional sharpening slot. The disk can be positioned upright, allowing the sharpening mediums to be easily accessed from the bottom or front of the tool. The tool includes a locking mechanism to secure the disk during sharpening, and the disk can be rotated to expose different sharpening mediums, such as V-shaped sharpeners and sharpening rods, providing users with a versatile and efficient sharpening solution.

The application discloses a shaft hole matching detection method, which comprises the following steps: using a shaft hole matching detection device to detect the matching of a shaft hole, making a reciprocating motion of a rubbing ring in the shaft hole matching detection device, changing a shaft hole inner wall area that does not meet the size into a bright reflection spot in the shaft hole, and polishing the bright reflection spot to complete the shaft hole matching detection work. The shaft hole matching detection device is used to detect the shaft hole shape tolerance deformation value, simultaneously detect the shaft hole inner wall smoothness, and polish the shaft hole area that does not meet the requirements, so that the problems of the shaft installation in the shaft hole are avoided, and the service life of the shaft is improved.

The utility model discloses a cable cutting device for processing an armored control cable, and relates to the technical field of cable processing. The cable cutting device for armored control cable processing comprises a base, a cutting table is fixedly installed at the top of the base, and a cable groove is formed in the cutting table; the cutting assembly is mounted at the top of the base and used for cutting the cable in the cable groove; the two pressing assemblies are installed at the front end and the rear end of the cutting assembly respectively and used for pressing the cable in the cable cutting process of the cutting assembly. The two clamping assemblies are both installed on the top of the base and used for clamping the two ends of the cable in the cable groove. Through the arrangement of the pressing assembly, when the cable is cut, the phenomenon that the cut end of the cable is bounced and thrown due to stress release generated at the moment of cable cutting can be effectively avoided, a safer working environment is provided for operators, and smooth proceeding of cutting work is guaranteed.

An apparatus for sharpening bladed tools includes a body portion forming an elongated handle portion adapted to be grasped in one hand by a user, the body portion curved or bent downwardly relative to the handle portion and including a forwardly projecting support member that engages a sharpening element at or near its end, the support member including a pair of spaced support arms extending generally parallel to a longitudinal region of the handle portion, the support arms positioned on either side of the sharpening element and defining an opening therebetween adapted to receive a tool blade or an anvil during sharpening of the tool blade.

A cavity is made of superfine silicon carbide powder through a high-density and high-strength grouting method mold, is in a hollow square pipe shape, a square flat plate shape or a round flat plate shape and is free of air holes, the R angle is small, and the impact resistance of the handheld ceramic grinder is superior to that of a product manufactured through an extrusion method; the surface of the steel bar is a milled / knurled tooth-shaped surface, the steel bar is fixed at the top of the inner wall of the cavity through strong epoxy series glue, the bottom of the steel bar and the inner wall of the cavity form a cavity for emery to flow, and the neodymium-iron-boron permanent magnets are fixed at the two ends of the cavity in an inlaying and glue combined mode; a handheld handle guide sleeve and a sand inlet through hole between two handheld handle holes are arranged at the top of the cavity, a detachable conical sand funnel can be sleeved, a sand outlet hole is formed in the middle of a bottom grinding tooth pattern, and the tooth surface of the grinder is a 1-75-degree double-phase crossed reticulate pattern or a waveform curve pattern.

The utility model discloses a joint filling material scrubbing and polishing tool. The joint filling material scrubbing and polishing tool comprises a polishing block, a conversion piece and a polishing assembly. The grinding block comprises a supporting part and a flexible part, the end face, away from the supporting part, of the flexible part forms a grinding face, and transition areas with radians are formed on the two sides of the grinding face. The conversion piece is attached to the surface of the grinding block and covers the grinding face and the transition area. According to the polishing block, the flexible part is used for dispersing the polishing pressure on the polishing surface, so that the polishing pressure is distributed more uniformly, the transition area forms the arc-shaped surface, the edge of the polishing area is smoother in transition, and the moving stability of the polishing position of the polishing block is ensured; the application range of the polishing structure in joint filling material scrubbing and polishing operation is widened through the polishing assemblies made of different materials, and the polishing structure particularly has a good polishing effect on barreled epoxy colored sand, a bottled epoxy colored sand scrubbing process, a bottled polyurea scrubbing process, a cement-based joint mixture and the like.