39results about "Wood boring tools" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

Provided is a cutting tool for wood processing or paper processing, which has high wear resistance and excellent durability. The present invention relates to a cutting edge having a base metal and a cutting edge part formed from a build-up welding layer integrated on the base metal by melting a metal material containing, on a mass basis, 10% or more of V, 5% or more of Cr, and 50% or more of Fe by a laser beam while supplying the metal material to the base metal, the metal material being a metal material containing, on a mass basis, 10% or more of V, 5% or more of Cr, and 50% or more of Fe. It can be known that the material has high durability on abrasive wear and corrosive wear. Namely, corrosive wear can be reduced by containing Cr, and abrasive wear can be reduced by containing V. Furthermore, the build-up welding layer formed by laser build-up welding is less affected by heat applied to the base metal than conventional brazing or the like, and it is known that the build-up welding layer can achieve firm bonding strength.

A drilling needle includes a needle head at one end of a needle shank. The needle head has a flattened wedge portion with two wedge faces and a cutter portion with two cutting faces, which each adjoin one of the wedge faces and adjoin one another at a top edge that runs at a right angle to an axis of rotation. The needle head has on each side a relief face, which forms a cutting edge with each of the cutting faces. The cutting edge forms, with the respective other one of the cutting faces, a secondary edge that trails with respect to the direction of rotation. A relief angle, spanned by a virtual straight line through the cutting edge corner and a secondary edge and a plane that extends perpendicular to the top edge in the axis of rotation, lies in a range from 6° to 10°.

The invention discloses a spiral flat drill which comprises a drill handle and a flat cutter arranged on the drill handle, a positioning drill is arranged on the flat cutter, the drill handle, the flat cutter and the positioning drill are integrally formed, the flat cutter comprises a cutter body integrally formed with the drill handle, at least two spiral cutting edges are arranged on the cutter body, and the spiral cutting edges are arranged on the cutter body. A spiral chip groove is formed between every two adjacent spiral cutting edges, and the positioning drill is arranged on the end face of the cutter body. According to the three-tip flat drill, the problems that in a traditional three-tip flat drill linear type chip groove structure, wood chip discharging is blocked, and the continuous discharging performance is poor can be solved, the service life can be greatly prolonged, and the use requirement of a user can be better met.

Embodiments of the innovation relate to a chisel system, comprising: a chisel bit having a cutting end and a support end, the support end opposing the cutting end; a chisel bit holder having a first end defining an opening configured to receive the support end of the chisel bit and a second end configured to be secured to a drill press; and a coupling mechanism configured to secure the chisel bit to the chisel bit holder.

The hard alloy woodworking tool comprises a tool handle and a tool bit, the tool handle comprises a mounting part and a tool handle part, a mounting groove is formed in the front side of the mounting part, a mounting hole is formed in the mounting groove, a through hole is formed in the tool bit, the tool bit is embedded in the mounting groove, and the tool handle part is arranged in the mounting groove. The tool bit is connected with the installation portion through screws installed in the through hole and the installation hole, a check block is arranged on the rear side of the installation portion, a pressing block is arranged between the installation groove and the check block in a sliding mode, an elastic piece is arranged between the pressing block and the check block, and the elastic piece pushes the pressing block to enable the pressing block to be pressed on one side of the tool bit. One end of the tool bit is effectively fixed and limited, the phenomenon that the end of the tool bit tilts due to collision in the using process is avoided, and therefore the stability and firmness of installation between the tool bit and the tool handle are guaranteed.

The utility model discloses a nail cutting drill which comprises a threaded drill bit, a drill body and a handle body. A threaded drill bit is arranged at the front end of the drill body, the surface of the threaded drill bit is in an arc shape, the top of the threaded drill bit is a tip end, drilling threads are arranged on the surface of the threaded drill bit, a chip groove is formed in the drill body, a cutting edge is arranged at the front end of the drill body, and the cutting edge is located on the groove wall of the front end of the chip groove. The cutting edge is connected with the tail end of the drilling thread, and the rear end of the drill body is connected with the handle body. When the threaded drill bit is damaged, the threaded drill bit can be taken down to be replaced, the material drilling efficiency is guaranteed, and the replacement cost of the nail cutting drill is reduced.

The utility model belongs to the technical field of woodworking tools, and particularly relates to a four-edge woodworking gang drill. The peripheral surface of the drill bit is ground into a first peripheral chip removal section and a second peripheral chip removal section which are adjacently arranged and are of an inverted conical structure, and a drainage groove is formed. Compared with the prior art that a spirally extending groove is formed in the cylindrical side face of the drill bit, the chip removal effect can be further improved.

A drilling tool for making an undercut within a solid material comprises a shaft extending along a longitudinal axis between a proximal end and a distal end, a gripping portion located at the proximal end, a gripping portion located at the distal end, comprising a blade having a helical course around the longitudinal axis, and a mechanical stop, arranged along the longitudinal extension of the shaft, adapted to create mechanical interference with an outer surface of the solid material so as to interrupt the translational advancement of the tool within the solid material. The shaft has at least a first diameter extending at least from the end portion to the mechanical stop.

The invention relates to a three-blade wood drill, which comprises a drill handle, three flat cutting blade bodies arranged radially on the top end of the drill handle, and a center drill arranged coaxially with the drill handle on the top end of the joint of the three cutting blade bodies; the features are that the three cutting blade bodies are respectively the first, second and third cutting blade bodies in the counterclockwise direction, the included angle formed by the orthographic projection of the first and second cutting blade bodies is denoted as θ1, the included angle formed by the orthographic projection of the second and third cutting blade bodies is denoted as θ2, and the included angle formed by the orthographic projection of the third and first cutting blade bodies is denoted as θ3, wherein the included angles satisfy the following conditions: θ1+θ2+θ3=360°, θ1<θ2<θ3, and θ2-θ1<θ3-θ2. The invention has the advantages that the three cutting blade bodies adopt different distribution angles, and the smooth chip removal, the processing speed and precision are ensured, and the service life of the drill is prolonged by utilizing the specific size ratio relationship of the cutting blade bodies and the position of the cutting groove.

The utility model discloses a wooden sleeper drilling device which comprises a connecting assembly, the connecting assembly is located at the output end of a driving assembly and detachably connected with the driving assembly, a drill bit is embedded in the end, away from the driving assembly, of the connecting assembly, and the driving assembly drives the drill bit to rotate through the connecting assembly to conduct drilling. By arranging the connecting assembly, the driving assembly can be conveniently connected so that the drill bit can be installed, the drill bit and the driving assembly can be rapidly assembled through the connecting assembly, the drilling operation of replacing a wooden sleeper and the tightening and loosening operation of railway line bolts can be completed only by one person, and the problems that the number of wooden sleeper drilling operators is large, and the drilling efficiency is low are solved; and the operation of providing power for facilities such as a generator is omitted, the labor intensity and the risk of electric shock of personnel are reduced, and the drilling device has good application and popularization value in the drilling operation of the railway wooden sleeper special for coal.

A cutting element, which is configured for the machining of a non-metallic composite material composed of a matrix and particles held together by the matrix, has a flank face, a rake face and a cutting edge which is coated with an edge coating and via which the flank face and the rake face are connected to one another, with which the non-metallic composite material can be machined in an improved fashion. The cutting edge within a cutting edge section thereof is curved in such a way that the cutting edge immediately beneath the edge coating in a section in a section plane that is perpendicular to the cutting edge has, at every point of the cutting edge section, a local radius of curvature which is greater than or equal to 10 μm and less than or equal to 80 μm.

The utility model belongs to the technical field of woodworking tools, and particularly relates to a four-edge woodworking gang drill. The extension surface of the outer side surface of the cutting edge body defines a drill bit peripheral surface, the drill bit peripheral surface is of an inverted conical structure, and the cutting edge end of the drill bit is of an arc structure and is obliquely distributed on the drill bit peripheral surface; a cylindrical drilling machining face coaxial with the drill bit is formed at the end, away from the drill rod, of the drill bit, a drill bit auxiliary chip removal space is formed between the outer side face of the cutting edge body and the drilling machining face, the drill bit auxiliary chip removal space is communicated with an auxiliary chip removal groove in the drill rod, and the drill bit auxiliary chip removal space is gradually increased in the direction from the drill bit to the drill handle. One part of wood chips generated in the drilling machining process are discharged through the main chip discharging groove, and the other part of the wood chips are discharged through the drill bit auxiliary chip discharging space and the auxiliary chip discharging groove. Compared with the prior art that a spirally extending groove is formed in the cylindrical side face of the drill bit, the machining difficulty of grinding the peripheral face of the drill bit into the inverted-cone-shaped structure is lower. The machining difficulty of the drill bit is reduced on the premise that the good chip removal effect is guaranteed.

According to the technical scheme, the limiting counter bore drill is characterized by comprising a drill body, a twist drill, a tool bit body and a locking structure. A limiting ring is fixed to the head of the drill body, a center channel and a tool bit body are arranged in the drill body, the tool bit body is matched with the twist drill through a mounting through groove, and the tool bit body and the twist drill are locked with the drill body through the same locking structure. The locking structure comprises a locking hole in the drill body, a set screw and a key groove or a notch in the side face of the tool bit body, and the set screw penetrates through the locking hole to press the twist drill, so that the tool bit body is tightly attached to the inner wall of the center channel, and locking is completed. Meanwhile, a measuring scale is arranged on the periphery of the extension part of the tool bit body, and an observation opening is formed in the periphery of the limiting ring, so that the depth is convenient to adjust. Counter bore parts with different diameters are arranged at the two ends of the tool bit body, and diversified machining requirements are met. According to the design, synchronous locking of the twist drill and the tool bit body is achieved through an independent locking structure, the adjusting operation process is simplified, the adjusting efficiency is improved, the twist drill is particularly suitable for the scene where the drilling depth is frequently switched, and the machining efficiency and accuracy are remarkably improved.

The utility model discloses a limiter for a drill bit, which solves the problem of frictional wear of the limiter and the surface of a product caused by synchronous rotation of the existing drill bit limiter and the drill bit. The limiting stopper comprises a sleeve, a limiting piece, a bearing and a locking structure. The sleeve is arranged on the drill bit and comprises an inner bush connected with the drill bit and an outer bush connected with the bearing, and the inner bush and the outer bush are detachable and are locked in the circumferential direction through a limiting structure. The locking structure comprises a threaded hole formed in the peripheral side of the sleeve and communicated with the center channel and a locking screw in threaded connection, and a pressing part of the locking structure can abut against the drill bit. One end of the limiting piece is provided with an abutting section, the peripheral side of the limiting piece is provided with a chip removal opening, and the limiting piece is made of plastic materials. According to the limiter, a user can conveniently adjust the position of the limiting piece without detaching a drill bit, friction between the limiting piece and a product is avoided, the drilling quality is improved, the service life of the limiting piece is prolonged, different drill bits can be adapted by replacing the neck bush, the use cost is reduced, and practicability is high.

In a wood drill (100) having a clamping portion (110) for connecting, for conjoint rotation, to a tool fitting of a portable power tool, and a head portion (200) which is provided with a centring geometry (250), wherein the clamping portion (130) is formed at a first end (202), remote from a workpiece, and the head portion (200) is formed at a second end (204), close to a workpiece, of the wood drill (100), wherein the clamping portion (110) is connected to the head portion (200) via a shank portion (130), and wherein a maximum outside radius (RK) of the head portion (200) is greater than a maximum outside radius (RS) of the shank portion (130), the head portion (200) has at least one main lip (214, 216) with at least two stages (230, 232, 234) for introducing a bore (152) with a predefined inside radius (RB) into a workpiece (150), and an outside radius (RH) of a main lip base (260) is less than 60%, preferably less than 50%, of an outside radius (RK) of the head portion.

The utility model discloses an alloy auger drill bit which comprises a drill handle and a drill rod arranged on the drill handle, a spiral cutting tool is arranged on the drill rod, a positioning drill is arranged on the spiral cutting tool, an undercutting cutting tool is arranged on the spiral cutting tool, and the positioning drill is arranged on the undercutting cutting tool. The undercutting cutter and the spiral cutter are quickly positioned and connected through a positioning structure, the undercutting cutter and the spiral cutter are welded into a whole, and the undercutting cutter is made of an alloy material. The utility model is more beneficial to rapid and accurate production and manufacture, and is more beneficial to the production of products meeting the requirements.

The present application discloses a flat drill bit (100), wherein the flat drill bit (100) comprises: a stem body (10); a cut flute part (20) provided axially from an end of the stem body (10) and being generally flat-shaped; a threaded guiding part (30) provided axially from an end of the cut flute part (20), wherein the cut flute part (20) includes two longitudinal wings (23) which are configured to be rotationally symmetrical to each other about a longitudinal central axis (O) of the flat drill bit (100), and each longitudinal wing (23) is formed with a cutting edge (21a) at the end of the cut flute part (20) from which the threaded guiding part (30) extends, a rotating trajectory profile caused by the cutting edge (21a) when the flat drill bit (100) rotates is inclined towards the stem body (10) and is at an angle (a) relative to the longitudinal central axis (O), and the angle (a) is in a range between 84° and 86°.

The utility model relates to a replaceable combined flat drill structure which is characterized by comprising a handle part and a flat cutter part formed at the front part of the handle part, the front portion of the flat knife portion extends inwards from the two side portions to form two shoulder portions, the two shoulder portions continue to be folded and extend inwards and upwards to form two gathering portions respectively, and a pinnacle is formed at the top of the flat knife portion. The flat knife part is provided with a first side part and a second side part which are parallel to each other; the cutter is characterized by comprising a side shoulder blade, a groove structure is formed in the side face of a flat cutter part of the flat drill structure and used for installing a side shoulder blade structure. The side shoulder blade structure can form a three-tip flat drill structure at the side part of the flat cutter part extending from the end part, or the whole side shoulder blade structure is locked in the groove to form a single-tip flat drill structure; the detachable structure is adopted for the side shoulder edge, the side shoulder edge can be replaced in time under the condition that the side shoulder edge of the three-tip flat drill is damaged, the whole flat drill does not need to be scrapped, and resources are saved.

The utility model discloses a limiting counter bore device which comprises a drill body, a limiting piece, a tool bit body capable of axially sliding in a center channel, a center drill capable of axially sliding in the installation channel of the tool bit body, a matched locking assembly and a fine adjustment assembly. Through split arrangement of the counter bore tool bit and the center drill and the fine adjustment assembly, the distance from the bottom of the center hole to the counter bore can be adjusted, the depth of the counter bore can be accurately adjusted in a stepless mode, and cost is reduced. And the locking assembly guarantees the machining stability, and the application range can be expanded by switching the counter bore tool bit. The limiting counter bore device is reasonable in design, integrates operation convenience, machining adaptability and economical efficiency, and is high in practical value.

The utility model relates to the technical field of drill bits, and discloses a spiral drill bit for drilling furniture, which comprises a drill rod, a chip groove and a connecting end are arranged on the drill rod, a main drill bit and a positioning drill bit are detachably mounted on the drill rod, and the positioning drill bit, the main drill bit and the drill rod are coaxially arranged. According to the utility model, the positioning drill bit is arranged to provide drilling force for the drill rod when the drill rod drills, so that the pressure applied to the drill rod by a worker is reduced or even not required; by arranging the main drill bit and the positioning drill bits which are detachably installed, a worker can replace different positioning drill bits according to the actual hardness of wood, and the lengths and the conicity of drilling parts on the different positioning drill bits and the thread pitches of thread grooves can be changed; therefore, the positioning drill bit is synchronous with the main drill bit in the drilling process; and blockage and even jamming caused by inconsistent drilling speeds of the positioning drill bit and the main drill bit are prevented.

The utility model belongs to the technical field of woodworking tools, and particularly relates to a four-edge woodworking gang drill. One part of wood chips generated in the drilling machining process are discharged through the main chip discharging groove, the other part of the wood chips are discharged through the first peripheral chip discharging section, the drill bit chip discharging groove, the auxiliary chip discharging groove and the main chip discharging groove, and the other part of the wood chips are discharged through the drainage groove, the drill bit chip discharging groove, the auxiliary chip discharging groove and the main chip discharging groove. Compared with the prior art that a spirally extending groove is formed in the cylindrical side face of the drill bit, the chip removal effect can be further improved.

A drill bit for use with construction using cross laminated timbers (CLT) is provided. The bit has both sharpened and dull portions of the cutting element of the bit, so that it can clean- out an opening in the CLT that has been partially obscured by shifts in the laminated constituents of the CLT, without elongating or otherwise changing the shape of the fastener opening. The use of the bit is made at the construction site in fastener openings previously made and otherwise obscured, thereby allowing the quick assembly and construction of a structure made of CLT.

The woodworking high-speed drill comprises a cutter handle, a cutter head, a cutter point and a scribing blade, one end of the cutter head is coaxially and fixedly connected with the cutter handle, the cutter point is fixedly arranged in the middle of the other end of the cutter head, the scribing blade is fixedly arranged on the side edge of the other end of the cutter head, and a blade belt is arranged between the cutter point and the scribing blade. A discharging groove matched with the edge strip is formed in the outer wall of the tool bit, and a main cutting edge is arranged between the edge strip and the discharging groove. The margin is arranged at the end part of the high-speed drill, and the relief angle of the end surface is adjusted through the margin, so that the service life of a cutter is prolonged under the condition that the cutting effect is not obviously reduced.

The invention relates to a receiving unit for a cutting device, in particular milling device, having a connecting region, in particular extending along an axis of rotation, for connecting to a power tool, in particular a hand-held power tool, and having a receiving recess for receiving a cutting unit. It is proposed that an extent of the receiving recess increases radially, as viewed in the direction of the axis of rotation.

A router bit that includes a shank end, a boring end opposite to the shank end, a drill axis that is defined between the shank end and the boring end, a shank that extends from the shank end and is adapted to engage with a chuck of a router, and a body that extends from the shank to the boring end and defines a non-linear profile. The router bit also includes a pair of cutting edges of the body that helically extends along the drill axis between the shank and the boring end. The router bit also includes a pair of flutes of the body that is defined between the pair of cutting edges and helically extends along the drill axis between the shank and the boring end. The body is configured to cut a non-linear profile into a work piece.

The utility model relates to the technical field of trepanning devices, and provides an anti-splashing trepanning device which comprises a trepanning drill bit, a protective cover is arranged outside the trepanning drill bit in a sleeved mode, a waste material interval is arranged between the protective cover and the trepanning drill bit, and the protective cover is provided with a telescopic structure used for being matched with the trepanning depth. The trepanning drill bit is fixedly connected with a fixing ring used for being connected with the protective cover, the fixing ring is detachably connected with the protective cover, a fixing groove is formed in the outer wall of the fixing ring, a connecting ring is arranged at the end, facing the fixing ring, of the protective cover, the fixing ring is sleeved with the connecting ring, and the inner wall of the connecting ring abuts against the outer wall of the fixing ring. A plurality of telescopic balls capable of stretching into the connecting ring are arranged on the inner wall of the connecting ring, reset pads are arranged on the sides, away from the fixing ring, of the telescopic balls, and the multiple balls are all embedded into the fixing grooves. The punching device not only can effectively prevent waste from splashing and reduce the influence on the working environment, but also can guarantee the health and safety of workers.

A wood-drilling device includes at least one drill shank, at least one drill tip, and at least one cutting body. The cutting body has at least one cutting wing, wherein at least one of the cutting wings has a cutting surface, which is arranged on a base side facing towards the drill tip. The cutting surface is formed by at least two mutually adjoining cutting partial surfaces which are angled away from a drill plane, oriented perpendicular to the rotation axis, in the direction of the drill shank and which are angled to each other at an angle and each have an angle to the rotation axis different from 0°.