31results about How to "Change cutting angle" patented technology

The invention discloses a power tool comprising a working head part and a holding part. The working head part comprises a working component, is installed on a first shaft with a first shaft line and can pivot around the first shaft line; an angle regulating mechanism is connected between the working head part and the holding part and at least comprises a first driving member and a second driving member which are matched with each other, wherein the first driving member is fixedly connected with the working head part and installed on the first shaft; the second driving member is installed on a shaft lever with a shaft line; the shaft lever can rotate relatively to the holding part; and the first shaft line of the first shaft intersects with the shaft line of the shaft lever. With the structure arrangement of the power tool, a machine has the advantages of simple internal structure and convenient operation, and a user can realize the regulation of a cutting angle by only rotating a handle under the condition of keeping an original operation posture.

The invention provides a regulating device of belt wheel, belonging to the technical field of machinery, and solving the problem that the existing regulating device of belt wheel is not provided with a mechanism for regulating a driven wheel to rotate circumferentially. The regulating device of belt wheel comprises a seat and a vertical shaft vertically arranged on the seat, a spindle is arranged on the vertical shaft perpendicular to the vertical shaft, a belt wheel is sheathed on the spindle, and a positioning mechanism capable of causing the vertical shaft to do rectilinear translation and / or rotation regulation along the seat and positioning the vertical shaft after regulation is finished. The vertical shaft of the regulating device of belt wheel does rectilinear translation and / or rotation regulation and the spindle can move along the axial direction of the vertical shaft, the spindle, the vertical shaft and the regulating device can be regulated individually or jointly to drive the belt wheel to move to regulate the belt wheel to a proper position more conveniently, and the invention has the advantage of convenient, exact and stable regulating.

The invention relates to a cutting device, more specifically a multifunctional cutting device for bridge pavement, which includes a cutting actuator, a position limiting body mechanism, a wire winding mechanism, and a dust cleaning mechanism. The equipment can be cut and the equipment can be easily pulled out Out of the locked cutting knife, the equipment can change the cutting angle, the equipment can wrap the thread, the equipment can cut the thread, the equipment can purify the dust generated during cutting, and the equipment can clean dust more conveniently. The cutting actuator and limiter The body mechanism is connected, the thread winding mechanism is connected with the limit body mechanism, and the dust cleaning mechanism is connected with the limit body mechanism.

The invention provides a polycrystalline diamond composite sheet and an application thereof. The polycrystalline diamond composite sheet includes a polycrystalline diamond layer and a hard alloy layer, and the plane of the polycrystalline diamond layer forms an included angle of 20°-88° with the bus bar of the polycrystalline diamond compact sheet. The present invention also provides the application of the above-mentioned polycrystalline diamond compact in a PDC drill bit. The polycrystalline diamond composite sheet of the present invention can arbitrarily change the cutting angle of the polycrystalline diamond composite sheet under the condition of maintaining the optimum back angle, so as to achieve more efficient cutting efficiency or higher durability. When the polycrystalline diamond composite sheet is used in the PDC drill bit, the drilling speed can be increased. At the same time, the polycrystalline diamond composite sheet has regular shape, is easy to weld, and has reliable strength; it can also simplify the manufacturing process of the PDC drill bit.

The invention relates to a cutting device, in particular to a multifunctional road cutting device. A moving parking wheel mechanism, a water spraying cooling mechanism and a rotating cutter mechanismare included. The device can cut the ground, change the cutting angle and guarantee certain buffering allowance, and cutter damage is prevented. The device can automatically spray water to cool a cutter. The device can move and can achieve the parking function. The device can safely run. The long usage year limit of the device can be guaranteed. The moving parking wheel mechanism is located belowthe water spraying cooling mechanism, and the connecting manner of the moving parking wheel mechanism and the water spraying cooling mechanism is welding. The rotating cutter mechanism is located above the water spraying cooling mechanism, and the connecting manner of the rotating cutter mechanism and the water spraying cooling mechanism is welding.

The invention relates to a cutting device, in particular to a multifunctional lifting cutting device for fire fighting. The device comprises a moving bottom frame mechanism, a lifting mechanism, a cutting mechanism and a clamping and protecting mechanism; and the device can perform cutting operation, change the cutting angle, change the extending length of a cutting knife, clamp an obstacle needing to be cut, lift, move, climb stairs, and run safely. The moving bottom frame mechanism is located below the lifting mechanism, the moving bottom frame mechanism is connected with the lifting mechanism in a welding mode, the cutting mechanism is located above the lifting mechanism, the cutting mechanism is connected with the lifting mechanism through bolts, the clamping and protecting mechanism is located above the cutting mechanism, and the clamping and protecting mechanism and the cutting mechanism are connected in a welding mode.

The invention relates to a cutting and polishing device and more particularly relates to a multifunctional window frame cutting and polishing device. The multifunctional window frame cutting and polishing device comprises an iron scrap collecting mechanism, a clamping mechanism, a cutting and executing mechanism, a cutting and moving mechanism, a polishing mechanism and a body frame mechanism. Thedevice is capable of cutting, tightening a belt, changing cutting positions, changing cutting angles, clamping door and window frames, polishing and collecting the iron scraps; the iron scrap collecting mechanism is located under the body frame mechanism; the clamping mechanism is connected with the body frame mechanism; the cutting and executing mechanism is connected with the cutting and movingmechanism; the cutting and moving mechanism is connected with the body frame mechanism; and the polishing mechanism is connected with the body frame mechanism.

The invention discloses a building timber cutting mechanical device which structurally comprises a cutting device, a housing, a base and two supporting legs, wherein the cutting device is mounted on the housing; the base is mounted at the bottom of the housing; the base is fixedly connected with the housing; the two supporting legs are symmetrically arranged at the bottom of the base in parallel;the base is fixedly connected with the two supporting legs; according to the building timber cutting mechanical device provided by the invention, through combined action of the cutting device, a cutting mechanism and a heat dissipation mechanism, adjustment on the cutting angle of the device is achieved, the degree of mechanization is high, heat produced in the work of the device can be dissipatedin time, and the service life of the device is prolonged.

The invention relates to a multi-functional special-shaped nuclear industry pipe rotation matching device, which includes a first roller, a second roller, a third roller and an infrared photoelectric sensor. The first roller rotates around the first rotation axis, the second roller rotates around the second rotation axis, and the third roller rotates around the third rotation axis. The first rotating shaft and the third rotating shaft are arranged symmetrically on both sides of the second rotating shaft, and the first rotating shaft, the second rotating shaft and the third rotating shaft respectively support three different surfaces of the special-shaped nuclear industry pipe. Among them, the distances from the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft to the center point of the cross-section of the special-shaped nuclear industry pipe are all equal and remain unchanged, which ensures that the special-shaped nuclear industry pipe can be rotated during the rotation process. The center of gravity is always kept unchanged, which effectively improves the stability during the rotary cutting process of special-shaped nuclear industrial tubes, avoids shaking during the cutting process of special-shaped nuclear industrial tubes and changes the cutting angle, and improves the cutting quality of special-shaped nuclear industrial tubes.

The invention discloses a novel power tool holder for machine tool machining. The novel power tool holder comprises a tool holder main body, a clamping mechanism, a cutting tool bearing seat, an angle adjuster and a locking screw, wherein the tool holder main body consists of a nut, a connecting rod and a tool holder head, and the nut and the tool holder head are fixed at the two ends of the connecting rod; the clamping mechanism consists of a clamping sleeve and a clamping handle, and the clamping sleeve is movably arranged on the connecting rod through a fastening screw in a sleeving mode; a trapezoidal groove is formed in one side of the tool holder head, one end of the cutting tool bearing seat is inserted in the trapezoidal groove, a cutter body and a cutter body pressing plate are fixedly mounted above the cutting tool bearing seat in sequence, the angle adjuster is arranged below the cutting tool bearing seat, the angle adjuster is used for adjusting and controlling the cutting tool bearing seat to perform a rotary motion along the axis of the cutting tool bearing seat so as to change the cutting angle of the cutter body. The novel power tool holder is simple in structure and reasonable in design; under the precondition that a cutting tool is not changed or the position of the tool holder is not readjusted, the cutting position, cutting depth and cutting angle of the cutter body can be quickly and conveniently adjusted, and the work efficiency and the utilization rate of the cutting tool are effectively improved.