55results about "Power driven reciprocating saws" patented technology

A saw blade includes a blade body having a top surface and a bottom surface, wherein the blade body is at least partially comprised of a first composite material or a metal; a cutting edge on a distal end of the blade body; and a coupling configured to connect the blade body to a handpiece adapted to oscillate the blade body. The saw blade may include:a first inlay portion and a second inlay portion, where the first inlay portion is either embedded in the top surface or covers the top surface, and the second inlay portion is either embedded in the top surface or covers the bottom surface; oran inlay portion sandwiched between a top portion and a bottom portion of the blade body.

The invention relates to a tool clamping device (10) for an oscillating multifunctional tool (12), comprising at least one tool securing unit (14), at least one actuating unit (16) for securing a tool (18) to the tool securing unit (14) or for releasing the tool (18) from the tool securing unit (14), and at least one damping element (20) arranged between the actuating unit (16) and the tool securing unit (14). According to the invention, the damping element (20) is designed as an elastomer.

The invention discloses a long bamboo section saw seam unblocking device, and belongs to the technical field of bamboo wood processing. The long bamboo section saw seam through joint equipment comprises a seam cutting assembly which comprises a U-shaped saw frame and a rope saw, and the rope saw is fixed to the lower portion of the U-shaped saw frame through a fastening screw; a pair of mounting frames is arranged along the length direction of the U-shaped saw frame; the first adjusting assemblies are arranged in one-to-one correspondence with the mounting frames, each first adjusting assembly comprises a lifting motor, a first adjusting screw, an adjusting block and a bearing plate, the first adjusting screws are fixedly connected with the output ends of the lifting motors, the bearing plates are horizontally and fixedly connected to one sides of the mounting frames, and the first adjusting screws are sleeved with the adjusting blocks in a threaded mode; the supporting frame is horizontally arranged, the two ends of the supporting frame are hinged to the adjusting blocks in the corresponding adjusting assemblies respectively, and the U-shaped saw frame is horizontally embedded in the bottom of the supporting frame in a sliding mode. Through cooperative control of the lifting motor and the slider-crank mechanism, a dynamic matching dip angle is formed between the saw track and the axis of the bamboo section, and the problem of cutter deviation caused by traditional vertical saw cutting is avoided.

A blade clamp for use with a power tool having a reciprocating spindle. The blade clamp comprises: a cover rotatably coupled to the spindle, the cover including a first ramped surface and a second ramped surface spaced radially inward of the first ramped surface; a spring coupling the cover and the spindle; and a detent received within a bore of the spindle, the detent movable in a radial direction relative to a longitudinal axis of the spindle to adjust the blade clamp between a locked configuration and an unlocked configuration. The spring biases the cover toward a first rotational position relative to the spindle coinciding with the locked configuration. The cover is rotatable against the bias of the spring toward a second rotational position relative to the spindle coinciding with the unlocked configuration. A portion of the detent is positioned between the first ramped surface and the second ramped surface when the blade clamp is adjusted between the locked configuration and the unlocked position such that the portion of the detent remains between the first ramped surface and the second ramped surface throughout an entire range of adjustment of the cover between the first rotational position and the second rotational position.

Disclosed are a saw blade quick-change structure for electric tools, and a saw blade quick-change method. The saw blade quick-change structure for electric tools comprises a locking mechanism, a head shell, a tool rest and a quick-change buckle. The locking mechanism is installed in the head shell. The tool rest is installed at the bottom of the head shell. The quick-change buckle is hinged to the head shell. The locking mechanism comprises a movable rod, a locking rod, a collet chuck, a locking block, a stop collar and a return spring. The collet chuck is located below the movable rod. The locking rod is clamped by the collet chuck. The locking block and the stop collar open or close the collar chuck. The return device returns the locking block. The saw blade is assembled and disassembled through the cooperation of the collet chuck and the locking block.

A system is provided comprising a robotic instrument for use with a tool. In some versions, the robotic instrument comprises a hand-held portion to be held by a user and a tool support movably coupled to the hand-held portion to support the tool. The robotic instrument further includes an actuator assembly operatively attached to the tool support and the hand-held portion and configured to move the tool support relative to the hand-held portion in a plurality of degrees of freedom. The robotic instrument may includes a handle alignment member extending from the hand-held portion. At least a portion of the handle alignment member and a tool plane defined by the tool are aligned when the tool support has an optimal range of motion relative to the hand-held portion.

An oscillating power tool includes a housing, a motor disposed generally within the housing and including a drive shaft, an output spindle configured to be driven by the motor and journaled for oscillating rotation about an oscillation axis, a drive mechanism configured to convert rotation of the drive shaft into oscillating rotation of the output spindle about the oscillation axis, the drive mechanism including an eccentric member configured to rotate off center about the motor axis, and a forked member operatively coupled to the eccentric member and configured for oscillating rotation about the oscillation axis in response to rotation of the eccentric member, and an amplitude adjustment actuator configured to move the eccentric member in the direction generally parallel to the motor axis to change an angular amplitude of oscillating rotation of the forked member.

The present invention provides a reciprocating cutting tool that allows for easy attachment and detachment of the blade, has a more compact outer diameter, and suppresses changes in the blade mounting angle. [Solution] The jigsaw, as a reciprocating cutting tool, is equipped with a blade holder 32 for attaching and detaching a blade 34, which is capable of reciprocating up and down. The blade holder 32 is movable in a direction approaching and moving away from the blade 34, i.e., in the left-right direction, and has a first pressing member 130 capable of pressing the blade 34, a first biasing member 134 that biases the first pressing member 130, a second pressing member 142 capable of pressing the blade 34 in a direction different from the direction of pressing by the first pressing member 130, i.e., downward, and a second biasing member 144 that biases the second pressing member 142. When the second pressing member 142 is pressed by the blade 34, the first pressing member 130 automatically presses the blade 34. The first biasing member 134 is positioned to avoid the direction of movement of the first pressing member 130.

The utility model discloses a novel rechargeable jig saw, and belongs to the field of jig saws. The device mainly comprises a machine shell, a rolling sleeve assembly and a driving assembly, a supporting box base is installed in the machine shell, the rolling sleeve assembly comprises a first rotating shaft installed on the supporting box base through a bearing, a large gear is installed on the first rotating shaft, and an eccentric shaft is installed at the eccentric position of the large gear; a front support and a rear support are symmetrically installed in the machine shell, a reciprocating rod composed of main rod bodies at the two ends and a middle connector is arranged between the front support and the rear support, the main rod bodies at the two ends penetrate through the front support and the rear support respectively, the connector is located between the two main rod bodies and provided with a kidney-shaped groove, and one end of the reciprocating rod is detachably connected with a saw blade. The eccentric shaft is sleeved with a rolling sleeve part which is matched with the kidney-shaped groove and reduces the friction coefficient between the rolling sleeve part and the kidney-shaped groove. According to the novel rechargeable jig saw, the rolling sleeve part of the eccentric shaft is matched with the waist groove of the reciprocating rod, sliding friction is replaced with rolling friction, energy consumption and abrasion are effectively reduced, and transmission stability and equipment durability are enhanced.

This invention provides a power tool. The vibratory tool has an inner housing (3), a spindle (5), a clamping shaft (61), a clamping spring (65), a clamping member (71), a collar (75), an operating handle (77), and a pressure sleeve (671). The collar (75) holds the clamping member (71) so that it can move relative to it in a vertical direction between a locked position and an unlocked position. The locked position is when the clamping member is engaged with the clamping shaft (61) in a state where it cannot move radially, and the unlocked position is when the clamping member can move radially. The operating handle (77) moves the clamping member (71) downward relative to the collar (75) and the spindle (5) in response to a predetermined release operation. The clamping member (71) moves from the locked position to the unlocked position relative to the collar (75) in response to the release operation. During the downward movement, the clamping member (71) presses down on the tip tool (91) via the pressure sleeve (671). Accordingly, the tip tool can be easily removed.

To provide an electric working machine improved in workability at higher output.SOLUTION: According to one aspect of the present invention, there is provided an electric working machine for cutting a work target, the electric working machine including a working unit and a main body, the working unit being configured to cut the work target, the main body including a housing, a flow passage forming portion, a motor, and a control unit, the motor being configured to generate rotational power for driving the working unit, the control unit being configured to electrically control rotation of the motor, the flow passage forming portion forming an air flow passage including a first air flow passage and a second air flow passage, the first air passage communicates with an outside of the housing and is configured to allow outside air to flow to the motor via the control unit, and the second air passage communicates with the outside of the housing and is configured to allow outside air to flow directly to the motor.SELECTED DRAWING: Figure 1

The invention discloses a saw blade chuck structure and a jig saw comprising the same, and relates to the technical field of cutting tools, the saw blade chuck structure comprises a clamping seat, a clamping groove is formed in the end of the clamping seat, a saw blade is inserted into the clamping groove, a positioning unit is arranged on the clamping seat, and a limiting unit is arranged on the positioning unit; the positioning unit comprises two supports which are correspondingly arranged, one support is provided with a guide column, the guide column is movably sleeved with a limiting seat, the limiting seat is provided with limiting teeth, a positioning spring is arranged between the support and the limiting seat, and the end of the limiting seat is provided with a wedge-shaped block; the ratchet mechanism is matched with the limiting teeth and is used for positioning the saw blade; according to the saw blade assembly and disassembly device, quick disassembly and assembly of the saw blade are achieved, breakage of the root of the saw blade is effectively prevented, operation safety is ensured, in addition, when the saw blade assembly and disassembly device is used for a long time, the saw blade is prevented from deforming due to high temperature, and the service life of the saw blade is prolonged.

Oscillatingly driven machine tool with a housing (12) in which a motor (26), a tool spindle (18) with a tool holder (31) for fastening a tool (20), and an oscillation drive (36) are accommodated, wherein the oscillation drive (36) is driven by the motor (26) and is coupled to the tool spindle (18) for the rotationally oscillating drive about its longitudinal axis (19), and with at least one controllable actuator (44, 46, 48, 50) in order to superimpose at least one movement component on the rotational oscillation movement of the tool spindle.

The invention relates to a saw blade (10), in particular a wood saw blade, for an oscillating multi-function tool (12) with at least one carrier (14) and with at least one cutting strip (16) arranged on the carrier (14), which is at least partially made of high-speed steel. It is proposed that the cutting edge (16) has a trapezoidal profile when projected parallel along a direction parallel to a principal extension plane of the support (14).

The present invention provides a cutting tool for surgical procedures. More specifically, the present invention provides a rotary surgical cutting tool which overcomes the disadvantages of prior art surgical cutting tools by providing a rotary cutting tool having straight flutes, with each side of the flute being provided with a cutting edge that permits cutting in both directions during limited oscillatory motion of the rotary surgical cutting tool. The areas between the cutting edges are provided with relief to reduce friction while the flute moves the cut material away from the cutting edges.

This utility model discloses a reciprocating saw with smooth operation, aiming to solve the technical problems of existing reciprocating saws with an open working area, which generates a large amount of flying sawdust when cutting wood. Specifically, the high-speed moving saw blade scatters the sawdust into the working area in a scattering manner, obstructing the view and increasing the risk of misoperation; sawdust accumulates in the cutting kerf, not only reducing cutting efficiency but also potentially causing the saw blade to overheat or even be damaged; and polluting the working environment and increasing cleaning costs. The invention includes a reciprocating saw housing, a saw blade and a baffle connected to the front end of the reciprocating saw housing, and dust collection components located on both sides of the reciprocating saw housing near the front end. The dust collection components include a metal hose, a dust collection head connected to one end of the metal hose, and a hose connector detachably connected to the other end of the metal hose; the hose connector is integrally formed and connected to the reciprocating saw housing; the dust collection head is detachably connected to a vacuum cleaner hose.

The invention relates to a tool clamping device (10) for an oscillating multi-function tool (12), with at least one tool locking unit (14) and with at least one actuating unit (16) for securing a tool (18) to or releasing the tool (18) from the tool locking unit (14) and with at least one damping element (20) that is arranged between the actuating unit (16) and the tool locking unit (14). It is proposed that the damping element (20) be designed as an elastomer.

An accessory for an oscillating power tool includes an attachment portion having a planar portion lying in a first plane and a working portion extending generally along a longitudinal axis that is transverse to the first plane. The working portion has a rear end portion coupled to the attachment portion, a curved front cutting edge opposite the rear end portion, a first side cutting edge extending from the front cutting edge to the rear end portion, and a second side cutting edge opposite the first side cutting edge and extending from the front cutting edge to the rear end portion. The working portion includes a curved surface that contains the longitudinal axis. The front cutting edge, the first side cutting edge and the second side cutting edge each have a plurality of cutting teeth extending along an entirety of the front cutting edge, the first side cutting edge and the second side cutting edge respectively.

A system is provided comprising a robotic instrument for use with a tool. In some versions, the robotic instrument comprises a hand-held portion to be held by a user and a tool support movably coupled to the hand-held portion by an actuator assembly. The actuator assembly configured to move the tool support relative to the hand-held portion in a plurality of degrees of freedom. The robotic instrument may include a shroud coupled to and extending between the tool support and the hand-held portion. The shroud may comprise a crease formed between the hand-held portion and the tool support, the crease defining a plane configured to be displaced when the tool support is manipulated relative to the hand-held portion. The plane providing a visual indication of a pose of the tool support relative to the hand-held portion.

A blade clamp, for use with a power tool having a reciprocating spindle, includes a cover rotatably coupled to the spindle and a detent received within a bore of the spindle. The detent is movable in a radial direction relative to a longitudinal axis of the spindle to adjust the blade clamp between a locked configuration and an unlocked configuration. The cover is rotatable between a first rotational position relative to the spindle coinciding with the locked configuration, and a second rotational position relative to the spindle coinciding with the unlocked configuration. The blade clamp further includes a sleeve in which the detent is slidably received. The sleeve includes a non-corrosive material for inhibiting corrosion of the detent.

The invention relates to the technical field of jig saws, in particular to an anti-blocking intelligent dust blowing jig saw device which comprises a jig saw body and a dust blowing protection frame, and the dust blowing protection frame comprises a pressing frame, a connecting plate, a center plate, an air duct adjusting assembly, a lug plate, a limiting block, a connecting pipe, a first dust blowing piece and a second dust blowing piece. When the air guide cylinder moves to the bottommost end, the ventilation groove in the air guide cylinder is communicated with the air guide channel in the lower layer of the center plate, and the buffer spring is in a compressed state, so that the air guide cylinder moves to the bottommost end of the air guide cylinder. According to the saw blade dust blowing and cleaning device, dust blowing and cleaning treatment for preventing accumulation and blockage can be conveniently conducted on saw blade cutting dust in the cutting work, and the saw blade dust blowing and cleaning device is used for providing a clear cutting visual field.

The utility model relates to clamping structure technical field discloses a single hand clamps curve saw blade clamping structure of saw blade of curve saw, including handle, the handle right -end surface sleeve joint has the sleeve, through the saw blade press into the assembly groove, utilize torsion spring drive assembly seat and the sleeve ring rotate, and make assembly seat rotate friction through arc block and fixed block, and make slide bar slip into the sleeve, extrude spring simultaneously, then assembly seat makes extrusion extrusion ball in assembly seat while rotating, to make two sets of clamping block clamp saw blade to reach the purpose of saw blade clamping, simultaneously again through the push sleeve ring, make sleeve ring synchronous drive assembly seat rotate on the sleeve, and make arc block and fixed block rotate, and make assembly seat drive extrusion ball rotate to with extrusion groove alignment, at this time again through spring push slide bar reset sliding in the sleeve, and make assembly groove push saw blade and eject from assembly seat, to be convenient for staff single hand to saw blade clamping.

This application relates to the field of woodworking tool technology, specifically to a jigsaw and its blade adjustment mechanism. The blade adjustment mechanism includes a blade shaft, an adjusting shaft, a limiting sleeve, a limiting knob, a connecting sleeve, an adjusting knob, and a handle. The jigsaw and its blade adjustment mechanism disclosed in this application not only allow for quick and efficient adjustment of the saw blade tension, but also enable flexible real-time adjustment of the saw blade's cutting edge orientation in applications processing complex products, thereby improving the applicability and cost-effectiveness of the woodworking saw.

A tool clamping device for an oscillating multifunction tool includes (i) at least one tool mounting unit, (ii) at least one actuation unit to secure a tool or release the tool from the tool mounting unit, and (iii) at least one damping element arranged between the actuation unit and the tool mounting unit. The dampening element is formed as an elastomer.

The utility model discloses a dust blowing and collecting jig saw which comprises a jig saw body, a blowing mechanism is fixedly installed in a bottom plate of the jig saw body and located at the rear end of a saw blade, a U-shaped installation plate is fixedly installed at one end of the outer surface of the jig saw body, and dust collecting mechanisms are fixedly installed on the two sides of the U-shaped installation plate. The dust collection mechanism can be turned over to be unfolded towards the two sides, so that the dust collection mechanism can adsorb and collect wood chips blown away by the blowing mechanism. Through the design of the dust collection mechanism and the blowing mechanism, chippings generated during cutting can be blown away from the front end of the saw blade, so that the situation that the chippings are accumulated in a cutting area to cover a cutting view field is avoided, and the chippings blown away towards the two sides can be intensively adsorbed and collected by a dust collector; and the trouble of frequently stopping to clean chips in the cutting process is avoided, and a user can continuously cut without interrupting the work to clean the wood chips.

A power tool includes a transmission assembly configured to transmit power between a motor and an output assembly to drive an output shaft to oscillate back and forth; and an adjustment assembly for adjusting the transmission assembly. The adjustment assembly is configured to, when a load of the output shaft satisfies a preset value of the adjustment assembly, control the transmission assembly according to the load of the output shaft so that the transmission assembly adjusts an angle of oscillation of a work attachment.

The utility model discloses a spindle box for a cutting roller of a jigsaw, and belongs to the field of jigsaws, the spindle box comprises a jigsaw body, a spindle box body is fixedly mounted on the inner side of the jigsaw body, a shell is fixedly mounted on the outer side of the spindle box body, and a rotating shaft is rotatably mounted on the inner wall of the shell; outer rings of a first bearing and a second bearing are fixedly mounted on the outer edge of the rotating shaft, and an inner shell is fixedly mounted on the outer rings of the first bearing and the second bearing; by arranging the communicating pipe, when the temperature of the main spindle box body rises and needs to be reduced, oil can be introduced into the cooling channel, the main spindle box body is cooled in a circulating cooling mode, cooling oil in the cooling channel can enter the main spindle box body through the oil hole, workers do not need to additionally inject oil into the main spindle box body, convenience is brought to the workers, and the working efficiency is improved. And the first bearing, the second bearing and the gear in the main shaft box body can be lubricated, and lubricating oil can be conveniently injected into the main shaft box.

The invention relates to a stop device, in particular a mechanical depth stop device, for a machining or cutting tool (12a; 12b) of a hand-held power tool (10a; 10b), said tool being oscillatably drivable and having at least one cutting edge (14a; 14b) provided on a shaft (16a; 16b) of the tool (12a; 12b). The stop device comprises at least one support element (18a; 18b), which can be provided at least on a first side of the shaft (16a; 16b), and at least one curved depth stop element (20a; 20b), which runs at least substantially in a curve parallel to the cutting edge (14a; 14b) in an installed state and is designed to limit the cutting depth (22a; 22b) of the cutting edge (14a; 14b) of the tool (12a; 12b) into a workpiece. According to the invention, the support element (18a; 18b) has at least one additional depth stop element (24a; 24b), which is designed to support a force acting on the depth stop element (20a; 20b), in particular on the shaft (16a; 16b). At least the depth stop element (20a; 20b) and the additional depth stop element (24a; 24b) can be positioned completely within a shaft region of the tool (12a; 12b).

A method of using an oscillating accessory with an oscillating power tool may include providing an attachment member. The attachment member may include an attachment plate, a raised rim portion extending from the attachment plate, the raised rim having a central recess, a keyed sidewall with an at least partially star shape configured to be engaged by a first mating geometry of an oscillating power tool, and a top wall that includes a receiving portion having a plurality of recesses configured to be engaged by a second mating geometry of an oscillating power tool. The central recess may not be in communication with any of the plurality of recesses. The attachment member may be used to facilitate tool-free attachment of a working portion to the oscillating power tool via a clamp assembly having a first clamp member moveable relative to a second clamp member without use of a secondary tool.

The present invention discloses an auxiliary device for a reciprocating cutting tool and an application method thereof. The device comprises a reciprocating motion conversion mechanism, a baffle frame, a feed mechanism and a clutch assembly, which can realize automatic feeding and precise cutting of the workpiece. The power reference assembly and the swing assembly in the feed mechanism, as well as other components that cooperate therewith, work together to enable the saw blade to automatically and accurately cut the workpiece under the cutting motion of the reciprocating saw or the jigsaw. The feature of the device is that its design allows the size and number of teeth of the ratchet to be changed, so that the automatic feeding motion is as close to linear continuity as possible, which is crucial for improving cutting accuracy. At the same time, a clutch assembly is provided in the device, which can easily switch between manual and automatic feeding, thereby enhancing the convenience of operation. In addition, the device includes an unlocking component and a reverse movement prevention device, so that the reset operation after cutting and the safety of the workpiece can be guaranteed.