62results about How to "Improve hole making efficiency" patented technology

The invention provides an aviation hole-forming robot end effector which is suitable for plane skin drilling and can be used for automatically adjusting the attitude. The end effector comprises a leading screw feeding module, a binary angle adjusting mechanism, a compacting chip-absorbing module, a drilling module and a sensor module. The leading screw feeding module mainly comprises a leading screw driving motor, a synchronous transmission component and a dual-ball leading screw and is used for realizing feeding motion of drilling; the binary angle adjusting mechanism mainly comprises a stepping motor, a transmission gear, a wedge-shaped turn table and a spherical hinge and is used for realizing the automatic adjustment of the tail end attitude; the compacting chip-absorbing module mainly comprises a cylinder, a pressing cylinder, a cylinder connecting rod and a compacting head and is used for realizing compaction of a skin and the absorption of metal drill chips; the drilling module mainly comprises a drilling servo motor, a transmission shaft, a drill chuck and a drill bit and is used for realizing high-accuracy drilling; and the sensor module comprises a proximity sensor and a laser distance-measuring sensor and is used for realizing zero addressing and limiting of the movement of a main shaft, and the measurement of the normal line of a drilling point.

The invention discloses a drilling tail end actuator which comprises a butt joint support assembly, a cutter revolution assembly arranged at one end of the butt joint support assembly in a rotation mode, a cutter rotation assembly arranged in the cutter revolution assembly in a rotation mode, an axial feeding assembly arranged at the other end of the butt joint support assembly and used for controlling axial feeding of a cutter, and a cutter deviation adjusting assembly arranged on the cutter revolution assembly and used for performing deviation adjustment on the cutter. The drilling tail end actuator has the advantages that the cutter deviation adjusting assembly is arranged so that the drilling tail end actuator clamps the cutter capable of machining various apertures, a cutter changing link is avoided, and drilling efficiency is improved. The cutter revolution assembly and the cutter rotation assembly are arranged so that double functions of drilling and milling holes in a screwed mode of the drilling tail end actuator are achieved. Externally exposed arrangement of the cutter deviation adjusting assembly is achieved so that transmission design among moving components is convenient, and the design difficulties of the drilling end tail actuator are reduced.

An aviation lamination material variable-parameter adaptive hole drilling system is characterized by comprising a, an end executor; b, a force sensor or a current detector; c, an adaptive controller; d, a control unit. An electric spindle transducer of the end executor controls the rotation of an electric spindle. The force sensor or the current detector is arranged on the electric spindle to be used for detecting the axial force or the current of the electric spindle. The adaptive controller communicates with the force sensor or the current detector and the control unit to be used for receiving feedback signals of the force sensor or the current detector to send instructions to the control unit, and the control unit controls the end executor to perform corresponding actions. A drive motor of the end executor comprises an encoder to be used for recognizing and feeding back tool feeding positions, and the adaptive controller communicates with the encoder and the control unit to be used for receiving the feedback signals of the encoder to send instructions to the control unit which controls the end executor to perform corresponding actions.

The invention provides a purifying treatment method for cuttings-carrying slurry of bentonite. The purifying treatment method for the cuttings-carrying slurry of the bentonite comprises the steps thatmud-water separating treatment is conducted, specifically, a multistage sieving device is used for conducting separating treatment on the input cuttings-carrying slurry, sandstone which does not conform to a slurry system is sorted out, then the slurry is subjected to concentrating and dewatering, and concentrated slurry and a mud-containing water body are obtained; and purifying and recovery ofthe mud-containing water body are conducted and comprise the steps of flocculation filter pressing and flocculation sedimentation, specifically, according to the flocculation filter pressing step, first the mud-containing water body is adjusted to a predetermined solid content, a flocculant is added, then a mixture enters a filter press for filter pressing, a mud cake and filter water are obtained, and according to the flocculation sedimentation step, the filter water generated in the flocculation filter pressing step is sent into a sedimentation tank and is subjected to sedimentation and layering in the sedimentation tank, and the upper layer of clear water is sent into a clear water tank for storage. According to the purifying treatment method for the cuttings-carrying slurry of the bentonite, the cuttings-carrying slurry can be subjected to full purifying treatment, zero discharge of water is realized, and a large amount of bentonite and the cost for dumping the waste slurry are saved.

The invention provides a method for correcting hole sites on the basis of framework scanning measurement. The method for correcting the hole sites includes computing rotation matrixes and translation vectors according to actual point cloud data and theoretical models of frameworks; correcting theoretical hole sites on the frameworks by the aid of the rotation matrixes and the translation vectors to obtain corrected hole sites; determining boundary lines of the various corrected hole sites; utilizing distances from the centers of the corrected hole sites to the boundary lines as corrected hole drilling edge distances. The method has the advantages that the problem of difficulty in measuring edge distances of closed structures can be solved; integral procedures are implemented on the basis of digitalization, accordingly, manual measurement can be omitted, and technological processes can be simplified; the problem of hole site inaccuracy due to the fact that hole sites are manually corrected after involution is performed by the aid of an existing method can be solved, and the automatic hole drilling precision can be guaranteed; the hole sites are firstly corrected before the hole drilling edge distances are determined, and the corrected hole sites can be acquired, so that hole site inaccuracy due to deformation, positioning and coordination can be eliminated, and the automatic hole drilling precision can be guaranteed.

The invention relates to a laser hole making device and method. The hole making device comprises a laser source, a beam expander group, a laser self-rotating device and a scanning galvanometer device,wherein the laser source is used for outputting laser beams along a center axis of a conduction light path; the beam expander group comprises a convex lens and a concave lens, the separation distanceof which can be adjusted, and the laser beams passing through the beam expander group are incident to the laser self-rotating device; the laser self-rotating device is used for deviating the laser beams at an adjustable deviation radius to the center axis of the conduction light path to form a round ring facula, and the round ring facula is incident to the scanning galvanometer device; the scanning galvanometer device is used for rotating the round ring facula around the center axis of a focusing lens to form a plurality of concentric tracks, the focused tracks are used for scanning a processed hole to a target bore diameter after focusing, and the target bore diameter is preset. The laser hole making device can reduce the hole making tamper to improve the hole making efficiency and further can reduce influence of change of a focal position or a wall thickness to consistence of the bore diameter.

The invention discloses a compact hole-forming end executer for shared guide rails of an electric spindle and a pressure foot. The compact hole-forming end executer comprises an installation base, a hole-forming unit, a compression unit and a normal detection unit. A flange connection plate connected with a robot end is installed on the upper surface of an installation base, two parallel guide rails are erected on the end parts of the two sides of the lower surface of the installation base, and the central axes of the two guide rails are superposed with the central axis of the lower surface ofthe installation base. The hole-forming unit and the compression unit are arranged on the two guide rails in parallel in the central axis direction through slide blocks, and the normal detection unitis installed on the compression unit. Rapid switchover with regard to different part surface compression functions can be realized through rapidly changing a pressing sleeve. According to the compacthole-forming end executer disclosed by the invention, the electric spindle of a hole-forming module and the pressure foot of a pressure foot module share one set of guide rails, and one transmissiondevice is reduced, so that the weight of the end executer is greatly reduced.

The invention relates to a flexible clamping tool applicable to metal plate supports, in particular to a structure form and a technology for pressing, locating and angle adjusting of thin-wall components with different wedge angles, and belongs to the technical field of clamping and locating. The flexible clamping tool applicable to the metal plate supports is applicable to fast locating and clamping of thin-wall component products of multiple specifications. The tool aims at the situations that the metal plate supports of various sizes and with different shapes exist on metal shells of guidedmissile weapons at the present stage, the specification and the number of metal plate parts with holes needing to be made are many correspondingly, these metal plate supports are in a wedge structure, and the wedge angles are different and range from 0 to 5 degrees. When the tool is used for carrying out hole making on the metal plate supports, the situations that corresponding locating and clamping tools are designed and manufactured for the different product shapes and the hole making requirements, waste of the tools is caused can be avoided. The tool can achieve fast locating and fast clamping for metal plates with the different shape sizes and wedge angles.

The invention provides an automatic reaming and counterboring cutter applicable to weakly rigid equipment. The cutter comprises a cutter body used for performing machining and a cutter clamping handleportion. The cutter body is provided with a drilling portion and a counterboring portion from top to bottom in sequence. The drilling portion, the counterboring portion and the cutter clamping handleportion are integrally formed. The drilling portion comprises a drilling tip and a cutting edge. A spiral groove and a counterboring edge are formed on the counterboring portion. A transition filletis arranged between the spiral groove and the counterboring edge. The cutting edge comprises a ridge, a transverse edge body and a main cutting edge body. The drilling tip reams a product, the counterboring edge performs counterboring on the reamed product, and the central axes of the drilling tip and the counterboring edge are located on the same straight line. The design of the cutter provided by the invention is oriented to the weakly rigid equipment, the centering ability is improved, the pore diameter precision is improved, vibration during drilling is reduced, the inverted cone design ofthe cutter effectively prevents contact between the cutter and a pore wall, and the pore wall degree of finish is increased.

The invention discloses a hole making method of a butt joint surface structure of a large aircraft body. According to the hole making method, annular rail automatic hole making equipment is used, holes are made in the butt joint surface structure of the aircraft body, an arc-shaped rail arc length on the annular rail automatic hole making equipment is divided into a plurality of station positionsaround the butt joint surface of a machine body, so that each station can have the largest number of holes, a long truss joint and a butt strap plate are arranged on the butt joint surface, process screws are installed, the position of the process screws serves as a hole making reference, and the station positions are built by using the reference hole process screws. A hole making program is corrected, and hole making and counter sinking in the station butt joint surface structure are carried out. The arc-shaped rail is rotated to the next station position until the hole making of the joint surface structure of the machine body at all stations is completed.