543results about "Grinding/polishing hand tools" patented technology

The utility model provides a knife sharpener that selects different sharpening angles or different sharpening forms by rotating a sharpening component disc body with a knob. The knife sharpener has a variety of grinding angles and sharpening components for sharpening different types of knives, which are concentrated and evenly distributed in one sharpening component disc body in the form of a disc. Through the axis rotation of gears on the knob and the gear transmission method, the disc body of the sharpener is driven to rotate to realize the function of selecting sharpening slots with different sharpening angles or different sharpening forms for sharpening.

The present disclosure provides a knife sharpener. The knife sharpener includes a hand shank and a sharpening member. Mounting portions are arranged at two ends of the hand shank. An outer diameter of each of the mounting portions is greater than an outer diameter of the hand shank. The sharpening member is connected to the mounting portions, so that the sharpening member and the hand shank rotate axially. During use, the knife sharpener is put on an operating platform, such as the ground or a tabletop, and the knife is fixed on one side of the knife sharpener. The knife can tilt towards an end portion of the knife sharpener to make a cutting edge lean against the sharpening member. During sharpening, a user pushes the hand shank back and forth with the palm, so that the knife sharpener moves back and forth relative to the knife.

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 file for creating a non-planar contour, in particular with a transverse curvature on a workpiece, including a longitudinal axis, at least one file element with an abrasive machining surface and a depth-stop element with a non-abrasive sliding surface, wherein the at least one file element and the depth-stop element are arranged next to one another in a plane orientated perpendicular to the longitudinal axis.

A knife sharpening device has a holder that has a slot for receiving a blade of a circular knife. At least one sharpening rod is pivotally mounted on the holder against the force of a spring. At least one first sharpening insert is arranged on the sharpening rod. The slot extends eccentrically into the holder transversely to a longitudinal axis of the holder. At least one additional sharpening insert is positioned on an outer side of the holder.

The utility model relates to a manual polishing device for assisting aluminum plate surface micro-deformation detection, which comprises a fixing plate with a handle on the upper side surface, the bottom surface of the fixing plate is connected with a sponge layer, the lower side of the sponge layer is provided with a bottom plate, the lower side of the bottom plate is coated with a sand net, and the sand net is provided with a grinding wheel. And the two ends of the sand screen turn to the upper side respectively and are connected with a clamping device arranged on the upper side of the fixing plate. The polishing device is compact in structure, the surface of the aluminum plate can be manually polished conveniently, and loss is reduced.

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.

To reduce a cost required for cleaning a probe, and preferably avoid a reattachment to a deposit removed from the probe.SOLUTION: A fixture 10 for grinding is configured to be mounted to a cleaning device 1 for removing a deposit adhered to a probe P in a probe card Pc to which a plurality of probes P contacted to a silicon wafer is distributed, and is configured to grind the deposit and remove it from each probe P. By a porous ceramic having a plurality of pores S10 provided so that an open part on a grinding surface (one surface Fa) to which each probe P is rubbed and an open part on a back surface (the other surface Fb) of a grinding surface are provided so as to be communicated, at least grinding surface (the one surface Fa) is formed in a flat plan shape.SELECTED DRAWING: Figure 1

Knife sharpener systems and methods are provided. In one exemplary embodiment, a knife sharpening system can include a support structure configured to hold a knife having a handle and a blade extending therefrom, and a carriage assembly mounted on the support structure. The carriage assembly can have a sharpening element that is configured to sharpen a cutting edge of the blade. The carriage assembly can be movable relative to the knife blade to cause the sharpening element to apply a force to the cutting edge of the knife blade.

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.

A food product slicer includes a base, a knife mounted for rotation about an axis relative to the base via a knife drive shaft, and a knife cover plate overlying regions of the knife. A monolithic mount part is provided that defines a first mount portion to which the knife drive shaft for the knife is mounted and a second mount portion to which the knife cover plate mounts, so as to establish a relative axial position between the knife and the knife cover plate.

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.

To provide a finishing tool which allows an operator to manually finish the surface of an object to be polished by pressing a folded portion of a belt-shaped abrasive against the surface of the object to be polished and performing polishing operations with a support member in the front-back, left-right and diagonal directions, thereby reducing polishing work costs and improving polishing workability and convenience. [Solution] The device comprises an abrasive 1 capable of abrading an object to be polished, a support member 2 capable of supporting the abrasive, and a handle member 3 capable of holding the support member. A strip-shaped abrasive tape F is used as the abrasive, and the strip-shaped abrasive is folded back around the tip of the support member, with the folded-back portion 1U of the abrasive serving as the polishing part K that polishes the object to be polished.

A clamping assembly includes a base defining a spring well. A spring piston assembly is received in the spring well and includes a spring and a piston body. First and second jaws are supported over the base on opposite sides of a central clamp axis that extends vertically through the spring piston and between the jaws, where the jaws are pivotable between an open position and a closed position. A wedge is movable along the central clamp axis between an end of the jaws. A lever has an elongated lever body extending to an end portion defining an L-shape with a toe and a heel, the end portion positioned between the wedge and the spring piston with the toe pivotably connected to the wedge and the heel coupled to the piston body via a linkage. The lever is operable to move the wedge along the central clamp axis.

The invention discloses an automatic packaging device for pencil production, and relates to the technical field of pencil cutting and packaging. The device comprises a placing table, wherein a placing mechanism for placing and fixing pencils is arranged at the upper end of the placing table, wherein the placing mechanism comprises a placing frame, wherein a cutting mechanism for cutting the pencils is arranged at the upper end of the placing frame, and a packaging mechanism for packaging the cut pencils is arranged at the lower end of the placing frame. When a cutting knife cuts to the lead of the pencil, the force of the cutting knife begins to decrease, and after the cutting knife contacts the lead, the cutting knife cuts the lead, thereby reducing the force of the cutting knife in cutting the pencil, thereby preventing the lead of the pencil in the placing plate from breaking during the process of cutting the pencil.

Knife sharpening is a technical activity and relates to the problems of angle, force and how long sharpening time, especially the angle puzzles countless housewives and kitchen workers, and if the method is not well mastered, a good knife can be sharpened to be blunt and damaged. The invention discloses an automatic knife sharpener which comprises a grinding mechanism used for grinding a knife, a moving mechanism used for moving the grinding mechanism, a clamping mechanism used for clamping the knife, a cooling mechanism used for cooling the knife in the grinding process, and a control mechanism used for controlling grinding, moving, lifting, knife clamping and cooling work. According to the automatic knife sharpener, a traditional knife stone sharpening method is changed, a novel stone sharpening method is adopted, an arc-shaped guide rail with the same radian as a cutting edge is additionally designed, and it is guaranteed that the radian of the cutting edge of a knife ground every time is kept consistent all the time. According to the technology, the problems of tool placement angle, cutting edge indentation, cooling and efficiency in the prior art can be solved, and the beneficial effects of being easy to clean and operate and the like are further achieved.

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.

Embodiments of sanding systems and methods for using and making the same may include providing a sanding system, comprising a body and a core. The body may be defined by at least a plurality of faces including a proximal face and a distal face and further defined by a hole extending lengthwise from the proximal face at least partially through the body toward the distal face. The core may be configured to be disposed at least partially within the hole such that changing an extent to which the core is disposed within the hole changes a density gradient of the sanding system.

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 grinding pin (10) of Examples 1 and 2 polishes a surface (S) to be polished of a workpiece (W), with a distal end portion (17) pressed against the surface (S) to be polished. The grinding pin (10) of Examples 1 and 2 comprises inorganic filaments (15) and a resin (16) that impregnates and cures the inorganic filaments (15). The inorganic filaments (15) contain 80 to 90 weight percent of an alumina component and 20 to 10 weight percent of a silica component. The inorganic filaments (15) have a crystal structure containing the alumina intermediate, and the silica component is in an amorphous state. The inorganic filaments (15) have a BET specific area of ​​30 m 2 / g or less.

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 invention relates to a grinding device, in particular a manual grinding device, having a carrier unit, which has a carrier body, in particular a carrier block, which is formed from an in particular elastomer foam element, and having a hook-and-loop element, in particular a hook element, which is permanently connected to the carrier unit, for arranging a grinding means, in particular a net-backed grinding means, on the carrier unit. It is proposed that the hook-and-loop element is arranged on a first side of the carrier unit and / or on a second side of the carrier unit, which differs from the first side.

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.