298results about "Grinding/polishing hand tools" patented technology

A vertically oriented honing guide for sharpening edged tools is disclosed. The vertically oriented honing guide for sharpening edged tools eliminates nearly all setup time and is compatible with commercial products by orienting the tools vertically and through the use of a linear guide system. This eliminates the need for tool clamping, facilitates direct angle setting, improves ergonomics, and allows the use of generic sharpening media. Yet, the vertically oriented honing guide for sharpening edged tools may alternatively incorporate a clamping mechanism to clamp tools being sharpened.

A system, method, and apparatus for shaping frets can comprise a fret tool, the fret tool further comprising a fret tool body configured with at least one edge, the at least one edge further comprising a groove with a filing surface therein. The groove can be selected to have an incomplete radial shape on each side, with the respective radial walls of the groove being moved toward one another to form a point or crease at the center of the groove.

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 provides an abrasive paper frame, and belongs to the technical field of polishing equipment. The abrasive paper frame comprises a base plate, more than two mounting seats are arranged on the base plate, each mounting seat is provided with a pressing piece and a clamping structure, each pressing piece comprises a connecting rod, each connecting rod is provided with a pressing block, and each connecting rod can be clamped in the corresponding clamping structure and enables the corresponding pressing block to abut against the base plate. According to the abrasive paper frame, the connecting rod of the pressing piece is clamped through the clamping structure, the abrasive paper is pressed and fixed through the pressing block on the connecting rod, operation is easy, and the abrasive paper is conveniently fixed.

Provided is a device for observing and positioning a sharpening angle of a cutting edge. The device includes a spirit bubble for observing a change of a sharpening angle of a cutting edge and positioning the sharpening angle of the cutting edge, and a base for fixing the device on a knife body. The spirit bubble is rotatably connected to the base for adjusting an angle between the spirit bubble and the base. The device enables, in a dynamic process of grinding a cutting edge of a knife, a grinder to continuously remain in a correct sharpening angle range and grind the cutting edge in accordance with a correct sharpening angle of the knife when holding the knife to perform a grinding action, and also meets a requirement for controlling sharpening angles of cutting edges of knives with various edge shapes in respective edge grinding processes of the knives.

A device for sharpening bladed tools comprising a body defining an elongate handle portion adapted to be gripped in one hand by a user, the body having a forwardly projecting support member curved or angled downwardly with respect to the handle portion and fitted with a sharpening element at or near the end thereof, wherein the support member comprises a pair of spaced support arms extending generally parallel to the longitudinal extent of the handle portion, the support arms being positioned to respective sides of the sharpening element and defining an aperture therebetween adapted to accommodate a blade or anvil of a tool during sharpening of a counterpart tool blade.

A novel roller grinder, characterized in that the roller grinder comprises a body (1), a rotary grinding wheel fastener (17), and a linear grinding wheel fastener (2), wherein both ends of the body (1) protrude and form a fastening section (18), and wherein a fastening hole extending through the body (1) and the fastening section (18) is provided on the fastening section (18), and wherein one end of the rotary grinding wheel fastener (17) and one end of the linear grinding wheel fastener (2) are each provided in the fastening hole on both sides and are fixedly fastened to a cylinder with a screw (12) and a nut (13), and wherein a linear grinding wheel (4) is provided on an outer side of the linear grinding wheel fastener (2), and wherein a first roller wheel ring (3) is movably provided outside the rotary grinding wheel fastener (17), which rotates synchronously with the body (1).and wherein a rotary grinding wheel (16) is provided on an outer side of the first rolling wheel ring (3).

A roller sharpener including a blade edge grinding member to sharpen an edge of a blade of a knife comprising a magnetic knife holder configured to hold the blade of the knife at one or more angles; and an adjustable roller sharpener configured to hold the blade edge grinding member at variable heights to sharpen different-sized blades of different knives, the adjustable roller sharpener with grinding member rollable back and forth on a support surface to sharpen the edge of the blade of the knife held to the magnetic knife holder.

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 utility model discloses a paint bucket cover cutting machine with a cleaning mechanism, and relates to the technical field of paint bucket processing, the paint bucket cover cutting machine comprises a rack, the upper end of the rack is fixedly provided with supports in sequence, and the middle parts of the supports are fixedly provided with fixing seats in sequence. According to the cutting device, after the cutting operation is completed, the rotating rod is rotated to drive the upper cutter shaft to move upwards along the sliding rod until the cutting knife abuts against the two knife grinders, at the moment, the driven gear at the other end of the upper cutter shaft can be meshed with the driving gear, the first motor is started, the driving gear drives the driven gear to rotate, and the cutting knife at the end is made to rotate; when the cutter is rotated, friction is generated between the cutter and the two sharpening stones, so that cleaning of the cutter becomes simple, oil stains and metal chips on the surface of the cutter can be cleaned up in the process, the cutting performance of the cutter is guaranteed, the sharpening stones are abraded after the cutter is used for a period of time, a limiting plate used for fixing a protruding block can be pulled out, and the cutter can be fixed. And therefore, the knife stone can be conveniently replaced, and the cleaning effect on the cutting knife is guaranteed.

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.

The utility model discloses a knife sharpener which comprises a base, a first supporting face and a second supporting face are arranged on the base in a spaced mode, the first supporting face and the second supporting face are arranged in parallel, the first supporting face is used for supporting one scissor arm, and the second supporting face is used for supporting the other scissor arm. The knife sharpening part is arranged at the position of the inner side of the first supporting face, the knife sharpening part can make contact with the blade part on the inner side of the scissor arm on the first supporting face, and the knife sharpening device has the advantages of being capable of sharpening scissors, simple in structure and good in knife sharpening effect; the utility model relates to the technical field of knife sharpeners.

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).

The present invention relates to a magnetic grinding gauge (1), in particular for holding a cutting tool to be ground or polished, having a magnetizable blade, by means of magnetic force and for positioning the same relative to a grinding and / or polishing tool, such as a roller grinder, comprising a body (2) and at least one elastic contact element (3) with which the magnetically attracted blade of the cutting tool comes into contact as intended. In order to reduce the manufacturing effort of the magnetic grinding gauge and to improve the quality of the magnetic grinding gauge, the invention provides that the magnetic grinding gauge (1) comprises at least one carrier (4) which carries the elastic contact element (3) and which is connected to the body (2).

The utility model relates to the technical field of abrasive paper frames, in particular to a stable clamping abrasive paper frame which comprises a bottom plate, connecting plates are symmetrically arranged on the left side and the right side of the bottom plate, first through grooves extending in the length direction of the connecting plates are formed in the outer side walls of the connecting plates, and assembling plates are detachably arranged on the connecting plates. A first pressing plate which is parallel to the butt joint plate and can be inserted into the first through groove is arranged at the bottom of the assembly plate, second through grooves are symmetrically formed in the two ends of the top end face of the bottom plate, fastening plates are detachably arranged at the two ends of the bottom plate, and second pressing plates which can be inserted into the second through grooves are arranged on the bottom end faces of the fastening plates; the periphery of the abrasive paper can be pressed and fixed, the abrasive paper pressing area is increased, the abrasive paper is in a tight state, the flatness of the abrasive paper is guaranteed, the abrasive paper is prevented from shifting and falling off, the stability of the abrasive paper in the polishing work process is guaranteed, the service life of the abrasive paper is prolonged, and the use efficiency of the abrasive paper is improved. Therefore, the polishing progress is ensured.

The present invention relates to a roller grinder (3) for grinding and / or polishing a cutting edge (2a) of a cutting tool (2), preferably a household knife, wherein the roller grinder (3) is essentially formed from two rollers (4), a body (5) to be arranged between the rollers (4) and rotatably relative thereto, and an axle (6) to be rotatably mounted in the body (5), and one or both of the rollers (2) has / have a grinding or polishing surface (4a) arranged thereon. In order to provide a weight-reducing magnetic grinding gauge (1), the invention provides that the roller grinder (3) has a body (5) which consists of two assembled components (9, 10) and is hollow at least in sections.

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 present invention relates to a sharpening jig (1), in particular for holding a cutting tool that is to be sharpened or polished and comprises a blade, and for positioning the blade at least at one positioning angle (α) relative to a sharpening and / or polishing tool such as a roller sharpener, wherein the sharpening jig (1) has at least two parts (2, 3) which can be adjusted relative to one another in order to set different positioning angles (α). In order to improve the compactness of the sharpening jig, the two parts (2, 3) can be adjusted relative to one another along a curved path.

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.

The invention relates to a magnetic sharpening jig (1), in particular for holding, by means of magnetic force, a cutting tool (2) which is to be sharpened or polished and which has a magnetisable blade (2a), and for positioning said cutting tool relative to a sharpening and / or polishing tool, e.g. a roller sharpener (3). The aim of the invention is to provide a weight-reducing magnetic sharpening jig (1). According to the invention, this is achieved in that the magnetic sharpening jig (1) has a body (5) which consists of at least two assembled components (9, 10) and is hollow at least in some sections.

The present invention is a structured abrasive article including a substrate having a first major surface and a second major surface, and a plurality of shaped abrasive composites. Each of the shaped abrasive composites includes a bottom surface in contact with the first major surface of the substrate. Each of the bottom surfaces takes the shape of a concave polygon and each of the concave polygons has a convex hull having n sides.

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

A scrubbing article including a substrate and a texture layer. The texture layer is formed on at least one surface of the substrate, and is a solvent-free texture layer. The texture layer can include a plastisol ink or a hot melt adhesive, and may further include a plurality of ceramic microspheres. Methods of manufacture are also provided in which a solvent-free texture layer composition is applied to a substrate and then solidified to form a texture layer. In some non-limiting embodiments, the texture layer composition includes a hot melt adhesive and is applied to the substrate in the form of a wetted cellulose sponge.

Provided is a guiding tool for a surface trimming device, including a main body with a front side base portion and a backside base portion, which are connected by at least one connection portion of the main body, wherein the main body exhibits a recess on a bottom side between the front side base portion and the backside base portion, wherein the main body includes a fixation device on a top side of the main body opposing the recess, wherein a surface trimming device is mountable to the fixation device in such manner that a movable device or trimmer of the surface trimming device is located in the recess between the front side base portion and the back side base portion.

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.

The present invention relates to a knife sharpening apparatus to sharpen a blade of a knife, and a method to sharpen the blade of the knife using the knife sharpening apparatus. The knife sharpening apparatus comprises a first side face; a second side face opposing the first side face; a groove and a sharpener. The groove extends longitudinally between the first side face and the opposing second side face. The groove has a first end adjacent the first side face; and a second end adjacent the opposing side face. The sharpener is arranged within the groove at the first end, whereby there is a gap space in the groove between the sharpener and the second end. The groove is configured to receive the knife blade in an initial position within the groove prior to sharpening, wherein a heel of the knife blade is arranged in the groove within the sharpener or the heel of the knife blade is arranged in the groove within the gap space to the rear of the sharpener; wherein, if the knife comprises a bolster between the knife blade and a knife handle, the bolster abuts the first end face; and wherein, if the knife does not comprise any intermediary component between the knife blade and knife handle, the handle abuts the first end face. The sharpener is configured to sharpen the knife blade as the knife blade is drawn through the sharpener from the initial position and in a direction towards the first side face. The groove is configured to guide the motion of the knife blade through the sharpener.