33results about How to "Precise control of drilling depth" patented technology

The invention discloses a modeling tool for animal skull defect models, and an application method of the modeling tool. The modeling tool includes a drilling rod, a nut, a supporting frame and a drilling head; the supporting frame includes a sleeve, a supporting frame cover and foot frames; the foot frames are fixedly connected to the supporting frame cover; the lower end of the sleeve is arrangedon the supporting frame cover; the drilling head is detachably connected to the drilling rod; the drilling rod is in clearance fit with the sleeve; the nut is arranged at the upper part of the drilling rod; and the drilling rod is provided with a scale. The application method includes the following steps: 1, assembling the modeling tool; 2, drilling a skull; 3, removing the skull; and 4, dismantling the modeling tool. The drilling depth during modeling can be precisely controlled; and the problems of perpendicularity during drilling can be solved, so that the quality of modeling can be well guaranteed.

The invention provides a thermal control multi-layer puncher for spacecraft, which is characterized in that it includes a handle, a screw, a butterfly nut, a cylindrical base, a needle, and a scale; one end of the screw is wrapped by the handle, and the other end of the screw is set There is a central hollow area, the other end surface of the screw is provided with threads, the needle is inserted into the central hollow area, the wing nut and the cylindrical base are tightly connected with the screw through the threads, and a scale is provided on the threads. The invention is light and easy to hold, simple in structure, convenient in operation, and easy to popularize; the head of the screw is hollowed out to realize the design of replaceable needles, which is convenient for maintenance; the needles are made of stainless steel, high-strength and corrosion-resistant; Arbitrary aperture; the screw thread adopts fine thread, which has self-locking characteristics, and the depth of the needle hole can be adjusted; the cylindrical base is made of brass material with a large bottom area, which meets the requirements of dispersing pressure and the bottom surface is evenly stressed, and has self-seeking verticality when drilling. ability.

The invention discloses a novel electric drill which comprises a shell, a motor and a drill bit. The novel electric drill is characterized by further comprising a transmission part and a limiting part; the transmission part is connected with the motor and the drill bit in a transmission mode so as to achieve rotation of the drill bit along with the motor, and the drill bit not only can rotate in the circumferential direction of the drill bit, but also can shift in the axial direction of the drill bit; the limiting part is movably arranged on the shell and used for limiting the displacement amount of the drill bit so as to control the drilling depth. In this way, the drill bit gradually extends out with deepening of the drilling depth in the drilling process, so that the drilling depth is accurately controlled. As the drill bit is located in the electric drill when the electric drill is not used, the purpose of protecting the drill bit is achieved.

The invention provides an automatic numerical control lathe tailstock control method. A connection device for achieving automatic connection and disconnection between a lathe saddle and a tailstock of a numerical control lathe through an air cylinder is utilized. The connection device comprises a connection pillar, a rotating arm assembly, a drive assembly and a drill bit assembly, the middle of the connection pillar is provided with an annular groove, the shaft end of the connection pillar and the side face of the tailstock are provided with a pair of sensors, the rotating arm assembly comprises a rotating arm, a rotating shaft, a shaft sleeve and a big gear, the shaft sleeve is fixed to the front side face of the tailstock of the numerical control lathe, the rotating shaft penetrates through the shaft sleeve, the front end of the rotating shaft is fixedly connected with the rotating arm, the other end of the rotating shaft is fixedly connected with the big gear, the front end of the rotating arm is provided with a hook portion capable of being clamped into an annular groove, the drive assembly comprises a rack, an air cylinder, a magnetic exchange valve, a rack guide groove, a reset switch and a controller, the controller is mounted in a lathe power distribution cabinet and electrically connected with a numerical control system and the magnetic exchange valve, and the rest switch is mounted in front of the lathe saddle of the numerical control lathe and electrically connected with the controller.

The invention discloses a depth-controllable rock sample drilling device and a utilization method. The problem about accurately drilling rock samples of different shapes is solved. The drilling devicecomprises a vertical rack, a drilling mechanism, an I-shaped slide mechanism, a caliper mechanism and a displacement mechanism, wherein pushing rods are arranged on a base of the vertical rack; the samples are fixed through the pushing rods; the pushing rods are provided with scales, so that the samples are accurately moved; clamping plates are arranged in front of the pushing rods; the clampingplates are changed to adapt to the samples of different shapes; and a through hole is formed in the center of the base of the vertical rack. According to the depth-controllable rock sample drilling device, holes of the processed samples are protected; stress springs are arranged in the slide mechanism, drilling force is controlled, and the drill sticking problem is avoided; and the outer surfacesof slides and the caliper mechanism are provided with scales, so that the drilling position and drilling depth are accurately controlled. The invention further discloses an operation method for drilling the rock samples of different shapes at different depths.