30results about How to "Control punch depth" patented technology

The invention provides a radio frequency melting electrode for an otitis media minimally invasive surgery and a using method of the radio frequency melting electrode. The radio frequency melting electrode comprises a handle and an electrode which are mutually connected, wherein the electrode adopts a tubular structure, and comprises an inner tube electrode and an outer tube electrode; the inner tube electrode and the outer tube electrode are connected with two poles of a power source; the tube body of the outer tube electrode sleeves the tube body of the inner tube electrode; the headend of the outer tube electrode and the headend of the inner tube electrode are in the same direction and are exposed to form the electrode headend of the electrode; the external surface of the inner tube electrode is an insulation surface; and the tube body of the inner tube electrode and the tube body of the outer tube electrode are mutually isolated, and the headends of the inner tube electrode and theouter tube electrode can be electrically conducted through normal saline, so that a plasma field is formed by the electrode headend to perform melting and drilling on tympanic membrane tissue. A thinking set of a conventional high-temperature puncturing surgery manner of mechanical puncturing, electric burning or laser and the like is broken through, low-temperature plasma principle is utilized toform the plasma field in the electrode headend, and melting and drilling are performed on the tympanic membrane tissue under a low temperature, so that the efficiency and the treatment effect of theotitis media minimally invasive surgery are improved.

The invention relates to a perforating device capable of adjusting the perforating depth. The perforating device comprises a base, a supporting rod, a transverse rod, a perforating mechanism and a pushing mechanism, wherein the transverse rod is arranged above the base through the supporting rod; the perforating mechanism is arranged above the base, and the pushing mechanism is arranged on the base. According to the perforating device capable of adjusting the perforating depth, perforating and perforating depth adjustment are achieved through the perforating mechanism, and feeding of workpieces is achieved through the pushing mechanism; compared with an existing perforating device, the perforating depth can be controlled by adjusting the moving distance of a drill bit, the perforating precision is improved, the linkage is adopted between the perforating mechanism and the pushing mechanism, the automatic feeding and perforating are achieved, the labor is saved and the working efficiencyis improved; and meanwhile, the linkage adopts a pure mechanical structure, so that the use of sensors and other electronic elements is avoided, the stability of the mechanism is improved, and the service life of the mechanism is prolonged.

The invention relates to the technical field of architectural engineering construction equipment, in particular to an electric quick lifting bracket of an electric hammer and an electric hammer modulethereof. The electric quick lifting bracket of the electric hammer comprises a first sleeve, a second sleeve and a third sleeve sleeved in sequence; a bracket is arranged on the first sleeve; and anelectric hammer base is arranged on the third sleeve. The electric quick lifting bracket of the electric hammer has the following beneficial effects: through ascending or descending of a special climblifting structure, an auxiliary support device can be suitable for the punching operation in different height ranges, the construction safety and the working efficiency are effectively improved, thequick punching is realized, and the punching accuracy is improved; after the construction operation is finished, each mechanism can be conveniently and quickly returned to an initial state; and the electric quick lifting bracket of the electric hammer is reasonable in structure, reliable in principle, accurate in positioning, convenient to operate, light, convenient, low in preparation cost, excellent in punching effect, high in construction safety and environment-friendly.

The invention discloses a tunnel drilling device capable of controlling drilling depth and a using method thereof, wherein a first baffle plate capable of adjusting position is arranged on a second plate in a control device in a direct or indirect sliding mode; the first baffle plate is positioned at one side of a second plate, away from a fixing rod; three fourth fixing holes are formed in the first baffle plate; the positions of the three fourth fixing holes correspond to those of the three third fixing holes one by one; a second baffle plate capable of adjusting position is arranged on a first plate in a direct or indirect sliding mode; the second baffle plate is positioned at one side of the first plate, away from a detection rod; the third baffle plate is provided with three second fixing holes which correspond to three first fixing holes one by one. According to the control device, the position of the first baffle plate can be accurately adjusted, so that the punching depth can be accurately controlled conveniently, the position of the second baffle plate can be conveniently adjusted, and the punching depth can be accurately controlled according to the length of the fixing rod.

The invention provides a blank wax stone drilling machine for a tissue chip. The drilling machine includes a base, a bracket, a horizontal movement mechanism, a vertical movement mechanism, a drillingmechanism and a wax stone fixing seat. The bracket is connected with the base; the horizontal movement mechanism comprises two horizontal movement components which are mutually vertically connected,namely, the X-axis movement component and the Y-axis movement component; scales and/or grating rulers are arranged on the horizontal movement components, one horizontal movement component is connectedwith the base, and the other horizontal movement component is connected with the wax block fixing seat; the vertical movement mechanism includes a Z-axis movement component and a Z-axis limiting component, the Z-axis movement component is connected with the bracket and the drilling mechanism respectively, and the Z-axis limiting component is arranged on the Z-axis movement component for limitingthe maximum displacement of the Z-axis movement component. The drilling mechanism includes a drill bit, a first transmission device and a first motor, wherein the first motor is connected with the drill bit through the first transmission device.

The invention relates to the technical field of punching equipment, in particular to a timber side hole punching machine which facilitates rapid adjustment of the front and rear punching positions of timber, meanwhile facilitates control cover the punching depth of the timber, replaces manual timber punching, saves time and labor and improves the punching speed of the timber. The timber side hole punching machine comprises a supporting box, multiple sets of fixing blocks, two sets of first lead screw shafts, two sets of first sliding blocks, a first motor, two sets of first belt wheels, a first belt, two sets of mounting plates, multiple sets of C-shaped sliding blocks, multiple sets of sliding rails, multiple sets of electric push rods, two sets of T-shaped sliding blocks, two sets of second motors, multiple sets of connecting blocks, multiple sets of connecting bolts and two sets of drill bits; and the multiple sets of fixing blocks are symmetrically fixed to the left side and the right side of the top end of the supporting box with two sets as a unit, the first lead screw shafts are rotationally connected with the fixing blocks, the output end of the first motor is connected with the rear end of the first lead screw shaft located at the left side of the supporting box, and the first motor is fixed to the supporting box.

The invention relates to the technical field of hardware mechanical equipment, and discloses an energy-saving and environment-friendly multi-layer steel plate rolling and automatic punching device which comprises a box body. Sliding clamping teeth are movably connected to the inner part of the box body, sliding wheels are movably connected to the lower ends of the sliding clamping teeth, and a driving shaft is connected to the inner parts of the sliding wheels in a sleeved mode; the outer portion of the driving shaft is sleeved with a first gear, the lower end of the first gear is connected with a driving gear in a meshing mode, the driving gear sleeves a threaded lead screw, the exterior of the threaded lead screw is sleeved with a threaded sliding block, and the lower end of a supportingrod is movably connected with a lifting device; and a hollow drill bit is movably sleeved with a punching device, a triggering device is movably connected with the inner part of the punching device,and a triggering block is fixedly connected with the outer part of the triggering rod. The energy-saving and environment-friendly multi-layer steel plate rolling and automatic punching device has theadvantages of being simple and convenient to work, capable of achieving automation, capable of achieving automatic punching after completing of rolling, capable of saving energy and environmentally friendly.

The invention provides a method for forming a three-dimensional structure of a multi-layer conductive sheet. The method comprises the following steps of: designing or acquiring a three-dimensional circuit structure model, and splitting the three-dimensional circuit structure model into a plurality of two-dimensional circuit models which are in interlayer connection through leads; according to the split two-dimensional circuit models, respectively preparing circuit boards comprising circuit structures corresponding to the two-dimensional circuit models; according to the structure of the three-dimensional circuit structure model, aligning and stacking the plurality of circuit boards so as to connect the circuit boards into a combined body; and placing the combined body in an acid medium, and conducting wire outgoing hole corrosion on the combined body through the acid medium induced by laser according to lead design positions. According to the forming method, the preparation process of the conductive sheet of the three-dimensional structure is effectively simplified, meanwhile, wire holes are obtained through corrosion of the acid medium induced by the laser. Compared with a traditional laser drilling mode, the wire hole forming process is milder and can effectively control the drilling depth, the focusing temperature requirement is far lower than the laser drilling temperature requirement, and the equipment threshold is effectively lowered.