62results about How to "Reduce the difficulty of grinding" patented technology

The invention discloses a high-pressure water jet punching-drilling-expanding-cutting integrated antireflection device for coal seam, which comprises a drilling machine, a drilling rod and a drill bit. The drill bit comprises a cylindrical body, wherein the front end of the body extends forward to form a cone-like reaming portion. A reaming cutter is fixed on the conical surface of the reaming cutter. The end face of the small head end of reaming portion extends forward to form a drilling cutter. The rear end of the body is extended backward to form a slitting portion, and the rear end of the slitting portion is fixedly connected with the drilling rod. Pore passages allowing liquid to pass through are provided in the reaming portion, the body and the slitting portion. The rear end of the pore passages is connected with the center hole of drilling rod. The front hole of the pore passages is provided with a punched hole nozzle. A horizontal slit nozzle is provided within the slitting portion, and the pore passages are also provided with a valve core. Therefore, the invention provides a punching-drilling-expanding-cutting integrated antireflection device for the coal seam, and also provides a method for the antireflection of the coal seam by using this punching-drilling-expanding-cutting integrated antireflection device, in order to effectively avoid the borehole deviation, improve the construction environment, reduce water waste and gas waste, and improve work efficiency.

The invention relates to a workpiece grinding machine of a numerical-control electric spark machine tool. The workpiece grinding machine of the numerical-control electric spark machine tool comprisesa base plate, a fixing device, an inner wall grinding device and an outer wall grinding device. The fixing device and the inner wall grinding device are sequentially installed on the base plate from left to right. The outer wall grinding device is installed on the back side of the base plate. The inner wall grinding device comprises a fixing plate, a rotating motor, a rotating column, sliding blocks, limiting frames, telescopic rods, springs, adjusting air cylinders and first steel wire brushes. The outer wall polishing device comprises a lifting frame, a rotating motor, a rotating column, a cam, connection sliding blocks, connection frames, guide rails and second steel wire brushes. The workpiece grinding machine of the numerical-control electric spark machine tool can solve the problemsthat in an existing annular workpiece grinding process, the labor cost is high, the labor intensity is high, the work efficiency is low, the grinding difficulty is large, and the adjustability is poor; the automatic grinding function on the annular workpiece can be achieved; and the workpiece grinding machine of the numerical-control electric spark machine tool has the advantages of being low in labor cost, low in labor intensity, high in work efficiency, small in polishing difficulty, good in adjustability and the like.

The invention provides a bilateral discharge machine, which comprises a housing, a controller, a clamping unit, a discharge tooth-grinding unit, a tooth-driving unit, a bearing unit and a feeding unit, the clamping unit comprises a first jaw and a second jaw which are oppositely arranged, so that a clamping area for clamping a saw blade is formed, the discharge tooth-grinding unit comprises a first mount, a first driving mechanism, a second driving mechanism and two discharge tooth-grinding mechanisms, the first driving mechanism can drive the two discharge tooth-grinding mechanisms to move close to or separate from each other, the second driving mechanism can drive the two discharge tooth-grinding mechanisms to synchronously reciprocate close to or away from the clamping area and in a direction intersecting the closing and separating direction, the tooth-driving unit can drive alloy welded pieces on the saw blade in the clamping area one by one, the bearing unit can move the borne saw blade into or out of the clamping area, and the feeding unit can feed a saw blade to be machined onto a carrier and take away a machined saw blade from the carrier. The bilateral discharge machine increases the efficiency of machining and the quality of grinding.

The invention relates to a grinding machine for grinding of a ball valve ball body. The grinding machine for grinding of the ball valve ball body is characterized in that the grinding machine for grinding of the ball valve ball body comprises a machine frame, a power supporting plate, a gear box, a driving motor, a tailstock supporting plate and a tailstock clamping mechanism; a ball body drivingshaft and a grinding power shaft are installed in the gear box; a telescopic shaft is connected to the end portion of the ball body driving shaft, a driving wheel is installed at the upper end portionof the grinding power shaft, a cantilever beam is arranged on the upper portion of a supporting sleeve, and a grinding shaft is installed at the end portion of the cantilever beam; a driven wheel isinstalled on the upper portion of the grinding shaft of the cantilever beam, and a transmission element is installed between the driving wheel and the driven wheel; and a suspension frame is installedat the lower end of the grinding shaft, a telescopic arm is installed on the suspension frame in a penetrating mode, a rocker is installed at the one end of the telescopic arm in the vertical direction in a penetrating mode, a grinding rack is connected to the lower end of the rocker, and a grinding tool of a valve seat sealing surface is arranged at the lower end of the grinding rack. The grinding machine for grinding of the ball valve ball body has the advantages that the conception is novel, the use is convenient, the machining efficiency and quality of the ball body are improved, good sealing performance is ensured after the grinding machine is matched with the valve seat, and the grinding difficulty of a ball body workpiece is reduced.

The invention belongs to the technical field of agricultural scientific research, and particularly relates to a grinding device convenient to clean for agricultural scientific research experiments. The problems that the grinding difficulty of a grinding device is large and the efficiency is low are aimed, so that the technical scheme is provided as follows that the grinding device comprises a base, universal wheels are all arranged at four corners of the outer wall at the bottom of the base, four electric control hydraulic rods are arranged on the outer wall of the top of the base, and the topouter walls of the four electric control hydraulic rods are provided with the same tank body; and the tank body comprises an upper tank body, a lower tank body and a middle tank body, a feeding portis formed in the outer wall of the top of the upper tank body, a feeding hopper is arranged on the inner wall of the feeding port, a water tank is arranged on one side of the outer wall of the top ofthe base, and a water pump is arranged on the outer wall of one side of the water tank. According to the grinding device, the feeding speed can be reduced, a buffer table is of an obtuse-angle triangular structure, the buffer contact surface is added, and the impact on equipment during the feeding is greatly reduced; and a water spraying disc is moved to the position above the feeding hopper, namely the tank body can be sprayed and cleared, and the cleaning portability of the tank body is improved.

The invention provides a semiconductor device failure analysis sample and a preparation method thereof, and a failure analysis method. A bearing groove fitting with a semiconductor device sample and at least one diversion trench communicating with the bearing groove are arranged in a carrier, a conductive adhesive is placed in the arranged bearing groove, the carrier is heated or is irradiated by ultraviolet to fuse the conductive adhesive, finally, the semiconductor device sample is placed in the bearing groove, the semiconductor device sample is lightly pressed so as to be flush with a step surface of a side wall of the bearing groove, thus pollution of the conductive adhesive to the sample surface is avoided, and more importantly, during grinding delayering, the occurrence of a phenomenon of nonuniform grinding of the sample surface is avoided.

The invention relates to the technical field of seasoning production equipment, in particular to an automatic seasoning production process. The automatic seasoning production process comprises the following steps: step 1, a feeding procedure; step 2, a crushing procedure which is carried out synchronously with the step 1; step 3, a feeding procedure which is synchronously carried out with the step2; step 4, a primary grinding procedure; step 5, a secondary grinding procedure which is synchronously carried out with the step 4; and step 6, a discharging procedure. A grinding shaft is driven bya driving mechanism to slide up and down, materials are driven to enter a second base for secondary grinding after being subjected to primary grinding in a first through hole, meanwhile, the materialsin the grinding shaft are driven to be crushed and fed at the same time through pushing of a first air cylinder, grinding is conducted after crushing, the grinding difficulty is reduced, automatic production of seasonings is achieved, and manual feeding and mashing are not needed.

The invention relates to the field of stone processing, and particularly discloses a marble corner processing device. The marble corner processing device is provided with a limiting mechanism and a chamfering mechanism, a first limiting plate and a second limiting plate in the limiting mechanism can limit marble, a part, to be chamfered, of the marble can be conveniently located at the position ofthe chamfering mechanism, chamfering on the part to be chamfered is facilitated, and polishing balls can conduct quick and stable chamfering on the part to be chamfered in the chamfering process; andthe polished marble can be detected through an arc-shaped strip, and the chamfering accuracy of the marble can be detected conveniently.

The invention discloses a production device for crystallized honey. The production device comprises a tank body, wherein a first feeding hole for injecting liquid-phase honey, and a second feeding hole for injecting crystal-phase honey are formed in the tank body; a pre-cutting mechanism and a conveyer belt mechanism in match are arranged outside the tank body; the pre-cutting mechanism is used for pre-cutting solid crystal-phase honey which is conveyed to the second feeding hole through the conveyer belt mechanism; the tank body is internally provided with a pre-grinding homogenization mechanism and a high-shearing emulsification stirring mechanism in match; the pre-grinding homogenization mechanism is arranged at the second feeding hole and is used for further grinding the cut crystal-phase honey and mixing with the liquid-phase honey; the high-shearing emulsification stirring mechanism is rotated to stir the liquid-phase honey and the grinded crystal-phase honey to uniformly mix the honey inside the tank body. The production device has the advantages of simple and compact structure, easy operation and maintenance, high automatic degree and high working efficiency and is capable of effectively improving the quality of crystallized honey.

The automatic grinding and polishing machine comprises a supporting base, a fixing assembly and a polishing assembly, the fixing assembly is fixedly installed above the upper end face of the supporting base, the polishing assembly is arranged above the fixing assembly, and the polishing assembly is fixedly installed on the supporting base; the problems that when automobile parts are polished, the two sides and the inner wall of a through hole need to be manually polished when the through hole in the surface of the automobile parts is polished at present, the manual polishing difficulty is high, and the polishing efficiency is lowered are solved; and b, when existing automobile parts are subjected to polishing treatment, metal powder scraps are easily generated, the metal powder scraps are easily sucked into the respiratory tract of a human body so as to injure the human body, and waste scraps generated by polishing are difficult to clean.

The invention discloses DC plug polishing equipment which comprises a workbench, a pin type polisher, a conveying belt and a controller, the conveying belt is arranged on one side of the workbench, a sliding way is arranged on one side, away from the ground, of the workbench, the sliding way is perpendicular to the conveying belt, an electronic sliding seat is arranged on the sliding way in a sliding mode, and the pin type polisher is connected with the electronic sliding seat; the electronic sliding seat is used for driving the pin type polisher to slide along the sliding way; a plurality of clamping pieces are arranged on the conveying face of the conveying belt and arranged in the conveying direction of the conveying belt at intervals; and the controller is in signal connection with the electronic sliding seat, the pin type polisher and the conveying belt, and the controller is used for controlling the conveying belt to rotate so that the DC plug clamped by one clamping piece can be aligned and then controlling the pin type polisher to slide in the conveying direction so that the pin type polisher can polish the DC plug clamped by the clamping piece right opposite to the sliding way. According to the technical scheme provided by the invention, an operator does not need to operate a polisher to polish the DC plug, so that the polishing difficulty is reduced, the stability of the product quality is ensured, and the production capacity is improved.

The invention relates to an elastic deformation optimization gear shaving cutter design method. The gear shaving concave phenomenon generated in existing gear shaving machining is restrained or relieved. The method comprises the following steps: 1) setting an initial meshing angle parameter a_nh0, and calculating an initial parameter of the gear shaving cutter through the a_nh0; 2) calculating theelastic deformation [delta]<0t> corresponding to each stress point at any moment of the gear part of the gear shaving cutter through the initial parameters of the gear shaving cutter in the step 1),and calculating the elastic deformation [delta]<1t> of each stress point at the corresponding moment on a gear meshed with the gear part; calculating the comprehensive elastic deformation [delta]<t> corresponding to each stress point; 3) drawing an elastic deformation dynamic distribution diagram between the comprehensive elastic deformation [delta]<t> and the pressure angle of the corresponding stress point, and calculating a comprehensive elastic deformation range R<delta>; and (4) adjusting the meshing angle parameter a_nh0, repeating the step (2) to the step (3), taking the a_nh0 when theR<delta> is smaller than or closest to 10 microns as a final design meshing angle parameter, and completing the design of other parameters of the gear shaving cutter according to the final design a_nh0 value.

The invention relates to a grinding device, in particular to a grinding device for wooden shoe tree machining. In order to achieve the technical purpose, the grinding device for wooden shoe tree machining comprises a fulcrum bar, first connecting bars, a grinding plate, a clamping device, a moving device, a support and the like. The first connecting bars are arranged on the top and the bottom of the right end of the fulcrum bar, the clamping device is arranged at the right end of the first connecting bar, the moving device is arranged on the upper portion of the right wall in the support, and the grinding plate is arranged at the bottom of the moving device. Through the cooperation of the moving device and a swing bar and continuous rotation of the clamping device, the effect of improving the machining efficiency and reducing the grinding difficulty is achieved, and the grinding device is easy to operate, high in generalizability and high in efficiency.

The invention discloses a mechanical circular hole grinding tool which comprises a disc and bolts; the top of the disc is fixedly connected with a handle; transverse slots are formed in the bottom ofthe disc; the number of the transverse slots is four; long grooves communicating with the transverse slots are formed in the top of the disc; inner cavities of the transverse slots are connected withsliding blocks in a sliding manner; the bottoms of the sliding blocks are fixedly connected with clamping blocks; the bottoms of the clamping blocks extend to the exteriors of the transverse slots; the tops of the sliding grooves are fixedly connected with first threaded rods; the tops of the first threaded rods penetrate through the long grooves and extend to the exteriors of the long grooves; and the tops of the first threaded rods are sleeved with threaded pipes. According to the mechanical circular hole grinding tool, with the adoption of second threaded rods and the threaded pipes, a vertical rod can be fixed, and the distance between a cutter and the disc can be adjusted, so that the inner wall of a semicircular hole is ground conveniently, the grinding difficulty of the semicircularhole is lowered, the grinding precision is improved and people can use mechanical circular hole grinding tool conveniently.

The invention provides a method for polishing the back surface of an ultra-small sample. The method comprises the following steps of sticking an ultra-small chip on a first gasket with the front surface facing downwards, splicing a splicing gasket at the periphery of the chip, cooling and fixing the chip, polishing the back surface of the chip, heating the first gasket and taking down the chip andthe splicing gasket for later use, sticking the chip on a glass slide with the front surface facing upwards, cooling and fixing, pricking needles on the front surface of the chip and obtaining hot spots on the back surface, heating the glass slide with the chip, and taking down the chip, putting the chip on a second gasket coated with AB glue in a manner that the front surface of the chip faces upwards, tightly jointing and splicing a ground splicing gasket with the same height as the chip around the chip, then heating, fixing and cooling, removing a layer from the front surface of the sample, and determining a failure position around the hot spot. According to the method, the difficulty of polishing the back surface of the ultra-small sample can be greatly reduced, subsequent analysis can be carried out, meanwhile, a splicing gasket with a proper height is provided for subsequent wafer grinding, and the wafer grinding difficulty is reduced. The success rate of sample preparation is greatly improved, the improvement of an online process is assisted and promoted, and the product yield is further improved.

The invention provides a wafer electroplating device and electroplating method. The wafer electroplating device comprises an electroplating bath, an electroplating anode, a virtual anode and a power source. Electroplating liquid is arranged in the electroplating bath, a seed layer is arranged on the surface of a wafer, the electroplating anode comprises a first surface facing the seed layer, the seed layer comprises a second surface facing the electroplating anode, and at least part of the first surface and at least part of the second surface are immersed in the electroplating liquid. The power source comprises a positive electrode and a negative electrode, the electroplating anode is connected to the positive electrode of the power source, the seed layer is connected to the negative electrode of the power source, the virtual anode is immersed in the electroplating liquid and located between the electroplating anode and the seed layer, the virtual anode can enable ions in the electroplating liquid to pass through, and the resistance of the virtual anode is larger than the sum of the resistance of the electroplating liquid and the resistance of the seed layer. The wafer electroplating device and electroplating method solve the technical problem that the thickness of an electroplated layer formed on the wafer through electroplating is not uniform.

The plate cutting machine specifically comprises a supporting frame, the bottom of the supporting frame is fixedly connected with a workbench, and the part, located above the workbench, of the top of the supporting frame is fixedly connected with a cutting device; the polishing device is arranged on the part, located on one side of the cutting device, of the workbench; the cutting device comprises a cutting disc, a rotating shaft is rotatably connected to the center of the inner wall of the cutting disc, a cutting knife penetrates through and is fixedly connected to the center of the rotating shaft, and the bottom of the cutting knife extends to the outside of the cutting disc; and the control device is arranged on one side of the cutting disc, and one end of the rotating shaft penetrates through the control device and is fixedly connected with a driving motor. According to the plate cutting machine, the situation that a cutting knife throws cooling water out to pollute a working table top can be avoided, the spraying range of the cooling water can be expanded through the multiple spraying head bodies, and the cooling effect is better.

The invention mainly relates to the technical field of machining and discloses a surface treatment method for a sewage inspection well cover. The surface treatment method for the sewage inspection well cover comprises the steps of polishing, cleaning, quenching and covering with a film. The method is simple and convenient to operate. The inspection well cover is polished after being frozen, so that polishing difficulty and high temperature generated by polishing are lowered, the metal luster of the inspection well cover is maintained and the polishing efficiency is improved; the inspection well cover is heated rapidly after cleaning and then put into a urea solution to perform quenching cooling and a protective film is formed on the surface, so that the corrosion of the inspection well cover is avoided, and the combining capacity of the inspection well cover and the film is improved; the inspection well cover is heated to the original temperature after quenching, so the combining capability of the coating film is improved; the inspection well cover is spray-coated with coating, the coating raw material is rich, safe, non-toxic and strong in adhesion force, so the wear resistance of the film is improved, the antibacterial property, the stability and the wear resistance of the film are enhanced, and the service life of the inspection well cover is prolonged by 23 to 25 percent.