104results about "Portable grinding machines" patented technology

The invention discloses a steel pipe polishing equipment, which comprises a steel pipe polishing equipment body. A main valve of a polishing motor is arranged in the main body of the steel pipe polishing equipment; a polishing handle is arranged on the main valve of the polishing motor; The valve is provided with a rotating roller; the front end of the rotating roller is provided with polishing bristles; one side of the rotating roller is provided with an outer throwing roller; a clamping spring is arranged between the outer throwing roller and the rotating roller; The outer throwing roller is provided with an outer throwing brush; a symmetrical magnet is arranged between the outer throwing brush and the polishing bristles; a polishing wheel is arranged on the outer throwing brush and the polishing bristles; the polishing The grinding wheels are arranged in a figure-eight shape. Its structure is simple, easy to use, and easy to operate. It can realize the polishing of the outer surface and the inner wall. The polishing is fast and uniform, with high efficiency and convenient use.

The utility model discloses an electric tool, its shell at least includes first casing part (100) and second casing part (200), and the holding area of first casing part is equipped with the switch-on switch button (900), and the second casing part is connected with the tool head (400) of electric tool, the second casing part is rotatably connected with first casing part, the electric tool still includes: adjustment locking element (300), it can prevent the second casing part from rotating around the rotation axis center relative to first casing part in locking station, and in the adjustment station, the second casing part can rotate around the rotation axis center relative to first casing part, interlock structure (700), when adjustment locking element is in adjustment station, the switch-on switch button is locked in the position of making the switch-on switch be in the off, when the switch-on switch button is in the position of making the switch-on switch be in the on, adjustment locking element is locked in locking station, wherein, adjustment locking element and switch-on switch button are located on the two faces of holding area perpendicular to each other respectively.

To provide a new art which enables improvement of operability of a portable polisher configured to move orbitally.SOLUTION: A portable polisher includes a polisher body, a battery holster, and a power cord. The polisher body includes: a body housing which houses a motor; and a polishing part configured to be moved orbitally by rotation of the motor. The battery holster includes a battery attachment part to which a battery may be attached. The power cord is configured to supply electric power of the battery attached to the battery attachment part to the polisher body. The power cord connects the polisher body with the battery holster without going through the housing.SELECTED DRAWING: Figure 1

This invention relates to a power tool, comprising a housing and a drive mechanism, a controller, and an operating switch housed within the housing. The operating switch is configured to activate / deactivate the drive mechanism via the controller. The power tool has a disabled state and a non-disabled state. In the disabled state, the drive mechanism is deactivated; in the non-disabled state, the operating switch activates the drive mechanism. The power tool also includes an air supply mechanism mounted on the housing and providing cooling airflow. The air supply mechanism is electrically connected to the controller. When the air supply mechanism is activated, the power tool switches from the disabled state to the non-disabled state. This invention, by providing a dual-function air supply mechanism on the power tool, prevents accidental triggering of the operating switch and effectively dissipates heat from the power tool's heat-generating components. The sensing element of the air supply mechanism acts as a safety lock; the power tool can only be started when the controller determines that the connection pipe has been actively connected by the operator.

The present invention provides a working machine with a good lighting device. In a grinder, the lighting device is provided on both left and right sides of rear end of a gear housing and above wheel guard. Specifically, a holder of the lighting device is visibly exposed from an outer periphery of the gear housing in front view. When an LED of the lighting device emits light by an operator's operation of an operating portion, emitted light illuminates a lower portion of a spindle (i.e., a grinding wheel). In other words, a housing does not block the light emitted toward the grinding wheel from the lighting device on both sides of the housing, and the light can illuminate the grinding wheel disposed around the lower portion of the spindle. Therefore, the lower portion of the spindle (i.e., the grinding wheel) can be well illuminated.

The application relates to the field of automobile part polishing, in particular to an automobile part polishing device which comprises a polishing handle and an air bag, the polishing handle is internally provided with a driving assembly for driving the air bag to rotate and an inflation assembly for inflating the air bag, and the outer side of the air bag is provided with a polishing belt for polishing; the air bag comprises multiple annular warehouses in the middle part, connecting warehouses at two ends and an air filling pipe penetrating through the middle part, the air filling pipe in the connecting warehouses at the two ends is provided with a first air filling hole, each annular warehouse is provided with three fan-shaped warehouses, and the air filling pipe in each annular warehouse is uniformly provided with three second air filling holes which are in communication with the fan-shaped warehouses; and the polishing belt is composed of polishing layers and adhesive layers which are arranged at intervals. In the application, when the inner wall of the automobile pipe type part is polished, the air bag after expansion supports the polishing belt to polish the pipe wall, the polishing device is suitable for various non-standard pipe type parts within a certain diameter range, and the polishing efficiency is high.

Adapter device for an angle grinder for receiving cleaning tools, brush strips or foil erasers, comprising a base body (2, 7) with a first receiving bore (1) for attachment to a spindle of the angle grinder and a second bore (4) and hexagonal receptacle (3) on the opposite end face for fixing the tools, characterized in that the base body (2) has a wrench flat (6) for tool reception.

The utility model relates to metal polishing equipment technical field especially relates to a surface treatment device of metal product. Its technical scheme includes handheld polisher and the polishing head of the movable installation in handheld polisher end part, still includes the storage groove of setting up in handheld polisher away from polishing head one end, sets up the storage mechanism of the storage multiple polishing heads in storage groove, locking mechanism, installs in handheld polisher and storage box makes storage mechanism from the storage groove and comes out. The utility model cooperates through handheld polisher storage groove storage box etc. component, and the first spring is popped out storage box by pressing button, and the polishing head is quickly taken from the placing groove, and the mounting rod is fixed through the clamping groove. The storage box is guided through the limiting sliding slot and the limiting clamping block, is integrated in the fuselage, solves the problem that the traditional equipment needs additional storage box, the time -consuming and the separation design space -occupying, carrying inconvenience of looking for.

To provide an electric tool that achieves a good power factor when ohmic power loss is small. [Solution] An electric tool having a tool, an electric motor for driving the tool, and a control unit for controlling the electric motor, wherein the electric tool is configured to be connected to a power supply voltage and includes a rectifier device having an intermediate circuit for providing an intermediate circuit voltage based on the power supply voltage, the intermediate circuit voltage having a plurality of voltage half-waves that are successive to one another, and the control unit is configured to provide, for each voltage half-wave, each torque half-wave 36 for controlling the electric motor, the curve shape of which is flattened compared to the curve shape of the voltage half-wave.

The utility model discloses a cast film machine spare polishing device with dust removal function relates to cast film machine polishing tool technical field, including the shell, the shell one side installs the limit table, and the limit table lower extreme is equipped with the limit slot, and the limit table is installed in the polishing belt, and two equidistance metal's flexible table are installed to the limit table bottom, and the polishing belt front end and rear end are installed respectively with the detachable electrostatic belt, and the shell lower end one side is installed with the dust collecting box, and the dust collecting box one side is installed with the extension table, and the dust collecting box opposite side is installed with the dust absorption pipe, and the extension table penetrates the limit slot, and the extension table lower extreme is connected with the flexible table, in the utility model, through the cooperation between the polishing belt and the electrostatic belt, solved the problem that the waste dust scatters and pollutes the working environment, improved the cleanliness of working environment, through the cooperation between the dust collecting box, the dust absorption pipe and the extension table, solved the problem that a large amount of waste dust accumulation influences polishing effect, improved the dust removal efficiency of polishing device.

This invention relates to a machine tool having a tool receiving device rotatable about an output axis, wherein the tool receiving device is designed to hold a tool on the machine tool such that the output axis and the tool rotation axis are substantially coincident, wherein the tool receiving device has at least one carrying device and a clamping device movable relative to the carrying device, wherein the carrying device has at least one torque transmission region arranged spaced apart from the output axis for transmitting driving force to the tool. It is proposed that the carrying device and the clamping device are configured to extend through a slot of the tool and clamp the tool by means of the clamping device movable substantially in a radial direction along the output axis A.

The utility model discloses a polishing device suitable for wear -resisting ceramic product, including supporting shell, the lateral wall of supporting shell is fixed with first hand handle, this polishing device suitable for wear -resisting ceramic product is provided with first gear plate and ring gear, can drive first gear plate to rotate through the opening of first motor, the rotation of first gear plate can make ring gear rotate to can drive hollow cylinder column to slide through ring sliding block and ring slide rail, indirectly drive polishing module to rotate and polish, only need external force control first hand handle, can single -item operation polishing, second control second hand handle can increase stability in addition, avoid the polishing device of ceramic product mostly factory one -by -one processing device, and the polished ceramic product is easy to appear pseudo -inferior product, owing to lack the polishing device of convenient single operation, lead to easy to cause cost waste.

A grinding tool machine (20) includes a tool body (21), a motor (22), a first airflow-generating component (23), a grinding disc (24), and a dust collection component (25). The dust collection component (25) includes a dust collection shield (251) facing the grinding disc (24), and a dust collection connection pipe (252) connected to the dust collection shield (251), the first airflow-generating component (23) generates a first airflow (50) flowing from the dust collection shield (251) towards the dust collection connection pipe (252) upon activation. The grinding tool machine (20) includes at least one air inlet (27) located on the tool body (21), a passage (28) connected to the dust collection connection pipe (252), and a second airflow-generating component (29) located in the passage (28), the second airflow-generating component (29) forms a second airflow (60) flowing from the at least one air inlet (27) towards the dust collection connection pipe (252) upon activation, and the second airflow merges with the first airflow (50) to for a dust collection airflow (70).

The utility model discloses a plastic part sprue cutting equipment relates to the field of plastic part processing, solved the overall structure complex flexibility of existing device is poor and cannot according to the demand of plastic part sprue high -efficient cutting problem, has adopted the following scheme: including the tooth cover, the tooth cover is fixedly connected with the handle post, the inside of tooth cover is provided with saw disc, still fixedly installed with micro motor on the tooth cover, and saw disc is assembled on the output of micro motor, the tooth cover is arc U type seat, the outer end of handle post is fixedly welded on the outer wall of tooth cover, and handle sleeve with the outer wall of frictional texture is still sleeved on handle post, this plastic part sprue cutting equipment, through the setting of tooth cover and each component on it, first, the overall structure is relatively simple, is suitable for user to drive single -handed, guarantees flexibility, and it is convenient to cut off the corresponding shape and angle of the sprue of plastic part according to the demand.

A dust collecting device attached to a grinding tool machine includes a main body, an auxiliary pipe connected to the main body, and an air flow generating device. The main body is hollow and defines a first air flow passage. The auxiliary pipe has a second air flow passage communicating with the first air flow passage, and at least one air inlet communicating with the outside and away from the first air flow passage. The air flow generating device is arranged in the second air flow passage. When the air flow generating device is activated, external air is guided from the at least one air inlet into the first air flow passage through the second air flow passage.

The utility model provides a false tooth processing, polishing and dust collecting device, which relates to the technical field of false tooth processing, and comprises a casing, a fixed cylinder, a filter element, a dust collecting pipe and a dust collecting box, the fixing cylinder is arranged on the machine shell, the air channel is arranged at the top of the fixing cylinder, the bottom end of the fixing cylinder is open, and a first sealing piece is arranged on the side edge of the bottom opening. The fixed cylinder and the filter element are connected with the air duct, so that gas entering the air duct is filtered, dust is blocked, the dust is stored in the dust collection box under the action of gravity, the dust collection box is sealed with the fixed cylinder through the first sealing element and the second sealing element, and the dust cannot escape; dust can be directly cleaned by dismounting the inserted dust collection box, and the arrangement of the first sealing element and the second sealing element does not hinder the mounting and dismounting of the dust collection box, so that the cleaning operation is more convenient.

An oscillating spindle sander assembly and a method for manufacturing an oscillating spindle sander assembly are provided. The assembly includes an oscillating spindle sander. The oscillating spindle sander includes an oscillation generator, a drive shaft extending from the oscillation generator, and a table disposed above the oscillation generator and having an opening that accommodates the drive shaft. The oscillating spindle sander assembly further includes a rotary compartment drum rotatably mounted under the table and around the oscillation generator. The rotary compartment drum includes a plurality of storage compartments arranged around a circumference of the rotary compartment drum.

The utility model discloses a kind of multi-angle polishing devices for building decoration, including shell and moving plate, the side surface of the shell is vertically installed with the guiding tube being communicated with shell inner cavity, the outside of guiding tube is equipped with multiple adjusting components, moving plate is set to the inside of shell, the both ends of moving plate are bent to form positioning part, the inside of positioning part is equipped with first polishing plate, the outside of positioning part is equipped with driving mechanism for driving first polishing plate vertical motion, the side surface of moving plate towards guiding tube is transversely equipped with the passage passing through positioning part, the inside of passage is equipped with second polishing plate. The utility model structure is simple, and the end surface of decorative board can be polished by the horizontal angle of second polishing plate, and the side of decorative board can be polished by the vertical angle of first polishing plate, can ensure that the 90 ° angle of decorative board corner part is set, ensure the quality of polishing.

This utility model discloses a rough edge polishing device for silicone rubber shock-absorbing and anti-slip pads for electronic products, including a main body and a motor located inside the main body, which drives a rotating shaft located at the front end of the main body to rotate. A connecting plate is fixed at the front end of the rotating shaft. When installing the connecting piece and the rotating shaft, the handle is pulled outward so that the connecting rod is located inside the groove of the connecting piece. At the same time, the movement of the handle causes the circular plate to compress the stainless steel spring. At this time, the connecting plate can be inserted into the groove of the connecting piece, and the connecting rod enters the internal position of the through hole through the groove. Releasing the handle causes the stainless steel spring to release its elastic force, and the insert post is inserted into the internal position of the through hole. Since the diameter of the through hole is larger than the width of the through groove, the polishing disc is installed with the rotating shaft. This connection allows for quick disassembly and installation without the need for tools.

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

An adaptor for mower blade sharpening, the adaptor incorporating a "U" bracket having a proximal leg having upper and lower ends, a distal leg having upper and lower ends, and a web spanning laterally between the legs' upper ends; the adaptor further incorporating a table underlying the "U" bracket's web, the table spanning laterally between the "U" bracket's proximal and distal legs; the adaptor further incorporating mounting flanges for mounting the table upon the "U" bracket, the mounting flanges forwardly extending the table from the "U" bracket's proximal and distal legs; the adaptor further incorporating an annular clamp which is fixedly attached to the "U" bracket's web.

This proposal proposes power tools with less deterioration over time and a longer service life by using a combination of metal gears with superior physical properties and resin gears in the gear configuration that serves as the power transmission mechanism for power tools such as polishers and sanders. This reduces the amount of wear particles generated by the meshing of gear teeth, resulting in a more efficient power tool. [Solution] An electric power tool equipped with a power transmission mechanism 1 having a gear configuration consisting of an output gear 4 attached to the output shaft 3 of an armature 2, a final gear 8 attached to a spindle 9 for mounting a turntable, and an intermediate gear assembly 5 connecting the output gear 4 and the final gear 8, wherein the output gear 4 is a metal gear, and at least some of the gears in the intermediate gear assembly 5 are made of aramid fiber reinforced resin.

A power tool has a motor, an output shaft, a spindle, a gear, a gear housing and a bearing. The spindle is configured to be rotated around a drive axis crossing an extending direction of the output shaft. The gear is fitted on the spindle and configured to transmit rotation of the output shaft to the spindle. The gear housing houses the spindle, the gear and the bearing with the lower end part of the spindle protruded downward. The bearing is arranged on the radially outer side of the gear and configured to support the spindle so as to be rotatable around the drive axis.

The utility model relates to the technical field of automobile parts processing, especially to a kind of automobile parts polishing device, including base, adjusting box is arranged on the base, the output shaft of the front end setting of adjusting box is outwardly protruding, the outside shaft end of output shaft is sleeved with the installation box of coaxial heart rotation, second motor is arranged in the installation box, the top output end of second motor is upwardly protruding transmission shaft, the top end of this transmission shaft is slidably sleeved with rotary guide bushing by the form of key groove cooperation, the top of rotary guide bushing is provided with connecting pipe, connecting pipe is protruding from the top of installation box, and the polishing roller that is synchronously rotated with it is sleeved on the pipe wall of installation box outside by the connecting pipe, the utility model presents polishing device, polishing roller can rotate to and fro within certain angle range, uniform polishing part plate surface, polishing process is automatically carried out, duration is long, with stability, can improve polishing quality.

The invention relates to a power tool having a disc-shaped tool, wherein the tool can be fastened to a drive shaft of the power tool by means of a fastening nut, wherein the drive shaft is designed to transmit a torque of a drive device to the tool. The power tool is characterized in that the power tool is designed to loosen or tighten the fastening nut by means of at least one torque pulse of the drive device of the power tool. In a second aspect, the invention relates to a method for fastening a disc-shaped tool to a drive shaft of a power tool, and in a further aspect, the invention relates to a method for releasing a disc-shaped tool from a drive shaft of a power tool. In a further aspect, the invention relates to the use of a torque pulse, which can be generated by a drive device of a power tool, for tightening or loosening a fastening nut for fastening a disc-shaped tool to a power tool.

A grinding tool allows effective reduction of vibration while maintaining the compact product size. A grinding tool includes a motor housing accommodating a motor, a pair of housing halves screwed together across the motor housing and each including a screw boss extending through the motor housing, and an elastic member between the motor housing and each of the screw bosses in an axial direction of the screw bosses.

The utility model provides a speed reducer for cell -phone mirror surface flat grinding equipment relates to cell -phone mirror surface flat grinding technical field, including motor and speed reducer device, the output end of motor is provided with speed reducer device, the speed reducer device includes the speed reducer shell of fixed connection in the motor surface, support mechanism, the surface of motor and speed reducer shell is provided with support mechanism, the support mechanism includes support rod, adjusting screw rod and foot block, support rod and motor and speed reducer shell rotatory connection. The utility model solves the mirror surface flat grinding requirement's polishing fineness is higher, therefore in the polishing process, the stability requirement is higher to the sand wheel grinding disc movement polishing process, and the staff is in the process of the translation polishing of hand holding contains the drive equipment of speed reducer, is easy because some slight shaking, leads to the sand wheel grinding disc skew, thereby leads to the mirror uneven, the problem of the influence cell -phone glass cover plate mirror gloss.

A ski or snowboard edge sharpener may include an abrasive grinding wheel, a belt-driven drive train or direct drive system that connects a motor and grinding wheel drive mechanism and decreases the grinding wheel's speed of rotation relative to the speed of the motor, a grinding wheel mount allowing selection and use grinding wheels of different grits and materials and grinding wheel controls allowing the control of the cut depth and the grinding wheel angles relative to the longitudinal and transverse planes of the ski edge surface to be sharpened. In some embodiments, the sharpener may alternatively include a grinding wheel and motor that drives the grinding wheel drive mechanism. Such configurations may allow repeated sharpening of a ski edge at specific / chosen angles with a specific / chosen surface finish. A position lockdown device that is part of each of the control mechanisms may be included.