61results about How to "Avoid secondary clamping" patented technology

The invention discloses a portable magneto-rheological flexible clamping device and method, belongs to the technical field of machining clamping, and relates to the portable magneto-rheological flexible clamping device and method. The device is composed of a convex die and a concave die. The clamping method comprises the steps that firstly, the concave die and the convex die are placed on two sides of a blade so that the concave die and the convex die are matched; a magnetorheological fluid storage bag is extruded by a piston so that an elastic soft film expands and extends to be tightly attached to a blade body; a long switch permanent magnet is turned on, an excitation magnetic field is applied, a magnetorheological fluid is excited and solidified, and reliable clamping of the blade is achieved; and after the blade is machined, the magnetic field of the long switch permanent magnet is closed, a clamping force is removed, and the blade is taken out. A shell type piston is adopted to extrude the magnetorheological fluid storage bag to make the soft film be rapidly attached to the blade so as to achieve rapid positioning of the blade, the magnetorheological fluid in the soft film israpidly solidified through controllable excitation and works in an extrusion mode, and supporting rigidity and reliability are guaranteed. And on the basis of avoiding secondary clamping, machining efficiency is improved, and machining precision is guaranteed.

The invention relates to a rail transit gearbox, the box body of which comprises an upper box body and a lower box body, the lower box body is provided with a boom mounting seat, shaft axes of an input gear shaft, an intermediate gear shaft and a main shaft are parallel to each other, and a joint face between the upper box body and the lower box body passes through axes of the intermediate gear shaft and the main shaft and is parallel to the top of the upper box body. The input gear shaft is installed on the upper box body, an external shaft neck of the input gear shaft and both ends of the main shaft extend out of the box body, and the upper surface of the boom mounting seat in the lower box body and the joint face between the upper box body and the lower box body are on the same plane. The input gear shaft engages with a big intermediate gear and the intermediate gear shaft engages with a big output gear. The taper of the external shaft neck of the input gear shaft is 1:50. Assembly area of the external shaft neck of the input gear shaft is provided with a ring groove, the mounting shaft diameter of the intermediate gear shaft and the central mounting hole of the big output gear are provided with a ring groove, and the external shaft neck of the input gear shaft, the intermediate gear shaft and the big output gear are all provided with a high-pressure oil passage.

The invention discloses a welding method free of bead trimming for a uPVC door/window. The welding method is used for welding a weld fillet; the weld fillet is formed by assembling a left welding unit and a right welding unit; opposite assembled inside surfaces of the left welding unit and the right welding unit are cutting surfaces; before welding, the outer surfaces of the outer contours of the cutting surfaces of the left welding unit and the right welding unit are milled off inwards by 1-4 mm of width and 1.5-3 mm of depth with a cutting saw; grooves are formed in the outer surfaces of the outer contours, so that materials welded and fused on the cutting surfaces do not overflow to the surfaces in welding, but are left in the grooves; after welding, the bead trimming is not required, so that the seamless splicing effect is achieved; for profiles which have natural wood grains and patterns on the surfaces, the pattern seamless butting is achieved. Besides, the invention further discloses the double-head cutting saw for cutting end surfaces and end surface contours.

The invention relates to a jet-flow-guided laser-spark-electrolysis combined machining device, and belongs to the field of non-traditional machining. The jet-flow-guided laser-spark-electrolysis combined machining device adopts the structure integrating three non-traditional machining methods, and is composed of a laser generator, a machining module, a working solution circulation system and a power supply module, wherein the laser generator is placed above the machining module, and laser beam machining and spark machining are ensured to be coaxial; an electrode in the machining module for sparking machining can be stationary or rotary; the working solutions for jet-flow-guided laser machining and spark machining employ deionized water, and form a set of working solution circulation system with the working solution for electrolytic machining. When the device is used for machining, the jet-flow-guided laser machining and spark machining are employed as the main means for removing material, being accompanied by electrolytic machining; speed, accuracy and surface quality of part manufacturing are all taken into consideration; thereby, rapid machining of various micro holes with abnormal countersunk heads, and various defects caused by using single non-traditional machining method are overcome.

The invention discloses an online tool abrasion detection device based on CCD and a detection method of the online tool abrasion detection device. The device comprises a collection box, an industrialpersonal computer and a display. An industrial camera, a double telecentric lens, an annular light source and a triple prism are arranged in the collection box, and the industrial camera, the double telecentric lens, the industrial personal computer and the display are sequentially connected. The device detection method comprises the following steps that firstly, the whole device moves in the X-axis direction and the Y-axis direction of a machine tool; secondly, the whole device runs to the position below a tool, the tool descends, penetrates the collection box and stops at the position abovethe triple prism; fourthly, after calibration is finished, the industrial camera is fixed, and the triple prism is flush with the industrial camera; fifthly, all bottom blade images are collected at atime; sixthly, the height of the triple prism is adjusted, low-speed rotation is conducted, and side blade images are collected; and seventhly, the industrial personal computer conducts data processing on the collected blade part images. The online tool abrasion detection device is integrated to one camera, vision non-contact online detection is conducted, secondary clamping is avoided, and precision and efficiency are improved; and installation is convenient, and operation is simple.

The invention discloses a manufacturing method of a spherical milling cutter with a micro-cutting milling blade array structure. The method comprises the following steps of moving a center point of the spherical milling cutter to the part just under a V-shaped tip end of a diamond grinding wheel, enabling the diamond grinding wheel to do reciprocating movement in the horizontal cutting direction and continuously feed downwards, continuously cutting the rotary spherical surface of the milling cutter, cutting into a V shape, processing a round circle-shaped micro groove on the spherical surface of the milling cutter through the rotating of the spherical milling cutter, processing the other V-shaped groove on the adjacent position, and forming the micro-cutting milling blade on the crossing part of the two adjacent V-shaped grooves; gradually shaping the micro-cutting milling blade into a sharp angle by the V-shaped tip end of the diamond grinding wheel and micro diamond grinding particles at the two side surfaces of the diamond grinding wheel. When the spherical milling cutter with the micro-cutting milling blade array structure is used, the microgroove structure surface can be directly milled and processed on the surfaces of workpieces made of the following materials, such as aluminum alloy, titanium alloy, copper and die steel in one-time forming way, the processing efficiency is greatly improved, the processing cost is reduced, and the problems of secondary clamping, cutter replacement and the like are avoided.

The invention discloses a multi-tool path layered and adjustable milling cutter. The multi-tool path layered and adjustable milling cutter comprises a cutter rest sliding support, cutter rests and cutter bodies; a matching location hole is formed in the center of the cutter rest sliding support and cooperatively clamps a chuck of a machine tool; the cutter rest sliding support is provided with at least two adjusting grooves in the radial direction, one cutter rest is installed and fixed inside one adjusting groove, and the cutter bodies are fixedly installed on the cutter rests; the rotation radiuses of the cutter bodies installed on the cutter rests are progressively increased or reduced in the rotation direction. The milling cutter has the beneficial technical effects that Z-direction large-allowance multi-tool path continuous and layered milling can be realized on work-pieces in the surface milling process after tool setting of one time, one-step forming is realized, and the machining efficiency is improved; the diameters of tool paths can be adjusted in the X direction and the Y direction through support sliding grooves according to the sizes of blank surfaces, and the application range is wide; meanwhile, safety grooves and adjusting screws are arranged, and the phenomenon of cutter collision due to different materials and different shapes in the high-speed operation process of the machine tool can be effectively avoided.

The invention discloses a glass bracket mounting and detecting device, and belongs to the technical field of glass bracket mounting detecting. The device comprises a rough positioning device 1, a first glass suction cup clamp 2, a first conveying belt 3, a second glass suction cup clamp 4, a second conveying belt 5, a glass bracket mounting clamp 6 and a glass bracket detecting device 7. The device can be suitable for mounting and detecting of any new and old glass brackets within the rectangular range of 670 mm*950 mm, glass to be mounted is roughly positioned through a rough positioning device 1, the first glass suction cup clamp 2 conveys glass to the glass bracket mounting clamp 6, after the glass is positioned and clamped, bracket mounting is carried out, after a bracket is mounted, the glass bracket detecting device 7 carries out detection on the bracket mounting precision through visual processing and laser sensor distance measuring, the detected glass is conveyed to the secondconveying belt 5 from the glass suction cup clamps, and the glass is conveyed to the subsequent production line.

The invention relates to an in-place automatic measurement laser and machine vision measurement machine supporting numerical control machining. The in-place automatic measurement laser and machine vision measurement machine comprises a small arm assembly, a large arm assembly, a sucking disc base assembly and anti-cutting-chipping cover assemblies; the small arm assembly is connected with the large arm assembly through a small arm base and is provided with a reducer B and a small arm swing motor which control a small arm to swing, and a measurement probe set is installed at the front end of a center shaft of a wrist; and the large arm assembly is connected with the sucking disc base assembly through a drive arm base, the sucking disc base assembly is fixedly connected with the drive arm base through a bolt, and the anti-cutting-chipping cover assemblies are welded to the two sides of the sucking disc base assembly. By means of the in-place automatic measurement laser and machine vision measurement machine, laser distance measurement and workpiece dimension machine vision measurement serve as basic measurement tools, the measurement machine and a numerically-controlled machine tool are compatible, cutting cover protection is achieved, automatic focusing is achieved, automatic binding with a main shaft and independent control are achieved, and numerical control cooperative work is achieved through mechanical innovation.

The invention discloses a laser processing device and method for realizing super-hydrophobic metal micro parts. The laser processing device comprises a forming system, a modification system, a cleaning system, a clamp assembly and a control assembly; the clamp assembly clamps a to-be-machined workpiece to sequentially pass through the forming system, the modification system and the cleaning system; the control assembly controls the forming system, the modification system, the cleaning system and the clamp assembly. A microstructure is prepared on the surface of the workpiece through a laser shock impressing technology, and then the microstructure is modified with a low-surface-energy modification solution and further cleaned with absolute ethyl alcohol, so that the super-hydrophobic surface is obtained. The device and the method have the beneficial effects that modules with different functions are adopted, and the modules can be changed according to processing requirements in the processing process to achieve different functions of the surface of the workpiece; the whole processing process can be automatic and can be completed under one-time clamping, the machining efficiency is high, operation is convenient, and the production cost can be effectively saved.

The auxiliary welding tool comprises a bottom plate, a winding drum jacking clamp and a flange clamp, a fixing base is arranged at one end of the bottom plate, and a sliding base installed in a first guide groove in a sliding mode is arranged at the other end of the bottom plate; one side of the fixed seat and one side of the sliding seat are rotationally connected with supporting arms, the winding drum jacking clamp is arranged in the winding drum, and the winding drum jacking clamp is of a retractable structure; the flange clamp comprises a chuck body, a bevel gear wheel is arranged in the chuck body, a spiral groove is formed in one side of the bevel gear wheel, a plurality of clamping jaws are spirally connected to one side of the spiral groove, steps are arranged at the tail ends of the clamping jaws, and the clamping jaws are slidably connected with the chuck body. And one side of the bevel gear wheel is meshed with a plurality of bevel pinions. According to the winding drum jacking clamp, the inner wall of the winding drum is jacked, damage to a winding drum rope groove when the winding drum is supported is avoided, meanwhile, axial jumping generated when the winding drum is rotated in the welding process is avoided, the winding drum supporting stability is guaranteed, and then the welding quality of a flange and the winding drum is guaranteed.

The invention provides a manufacturing method for an oil pump oil nozzle plunger sleeve and relates to the technical field of oil pump oil nozzle plunger sleeve production. The manufacturing method for the oil pump oil nozzle plunger sleeve comprises the following steps that (1) a workpiece is located on a lathe, the head of the workpiece is leveled, the end faces of a blank is lathed flat, the total length is determined; the center is determined and a drill bit is aligned to the center of the blank; a hole is drilled and the center hole is drilled in a penetrating mode; the center hole is reamed roughly and precisely; (2) an outer circle is lathed: a step is lathed, an angle is chamfered and a groove is formed; (3) an oil return hole is drilled; (4) a key groove, a ring groove and a straight groove are machined. Due to the fact that the blank is not taken off after rough reaming, the blank is precisely reamed directly, then the outer circle is lathed, head leveling, center determining, hole drilling, rough reaming, precise reaming of the center hole of the plunger sleeve are formed at a time, and meanwhile, secondary clamping of the workpiece is avoided, so that the quality of the product is guaranteed, work time and work procedure are shortened, the labor intensity of operators is reduced, production cost is effectively reduced, and production quality and efficiency are improved.

The invention provides a portable clamp, comprising a tailstock apex; the tailstock apex is used for pushing against one end of a workpiece when a lathe clamps the workpiece; the portable clamp also comprises a chuck body, clamping jaw pushing parts, a centering apex and a fixing part; a clamping surface of the chuck body is provided with more than three clamping jaw chutes, each clamping jaw chute is provided with one clamping jaw pushing part, and the center of the chuck body is provided with a central shaft hole; each clamping jaw pushing part comprises an inner cushion block, a fixing block, a sliding block and a fixing cutting edge, wherein the fixing cutter edge is arranged on the top surface of the clamping jaw pushing part, the fixing block is provided with a fixing hole, and the chute bottom of each clamping jaw chute is provided with a blind hole. The portable clamp in the technical solution clamps from the end surfaces of two ends of the workpiece, such that the whole workpiece can be machined during machining, secondary clamping is avoided, the coaxiality of the workpiece is improved, the clamping is convenient and great convenience is provided for machining.

The invention provides a device and a method for high-precision surface polishing through laser. The device comprises a laser device, a beam expander, a galvanometer and a field lens; the laser device emits laser; the beam expander is arranged at a light outlet of the laser device and is used for changing a divergence angle of laser emitted by the laser device to obtain a collimated laser beam; the galvanometer is arranged at a light outlet of the beam expander and is used for adjusting the irradiation position of the collimated laser beam, so that the irradiation position is aligned to the wave crest of knife ripples of a workpiece; the field lens is arranged at a light outlet of the galvanometer and used for achieving light beam focusing and obtaining high-power-density light spots symmetrical to the knife ripples in size; and the high-power-density light spots are aligned to the wave crest position of knife ripples of the workpiece, and the knife ripple wave crest is melted, so that high-precision polishing is conducted on the surface of the workpiece. After the workpiece is turned by a machine tool, the workpiece is directly polished by laser processing equipment so as to remove the knife ripples, so that the automation and integration of processing are realized. Through the method, the knife ripples can be removed with great efficiency, and the material surface roughness is reduced.

The invention provides a composite machine tool integrating ultrasonic auxiliary grinding and laser machining and a machining method. Comprising a machine tool body, a double-shaft rotating workbench, a cross beam, an ultrasonic machining system, a laser machining system and a machine tool control cabinet, the cross beam is connected to the top of the machine tool body, the ultrasonic machining system and the laser machining system are arranged on the cross beam, and an ultrasonic machining main shaft of the ultrasonic machining system and a laser machining main shaft of the laser machining system can move in the vertical direction; the bottom of the double-shaft rotating workbench can move in the direction where the cross beam is located, the working face of the double-shaft rotating workbench is used for fixing a to-be-machined part, the working face can drive the to-be-machined part to rotate, outer circle grinding and plane grinding of the to-be-machined part through the ultrasonic machining system are completed, and laser drilling of the to-be-machined part through the laser machining system is completed. According to the invention, ultrasonic-assisted grinding machining and laser machining are combined, so that different machining processes of a workpiece on the same machine tool are completed, secondary clamping and repeated positioning of the workpiece are avoided, and the machining efficiency is improved.

The invention discloses a turning and boring dual-purpose numerical control woodworking lathe and belongs to the technical field of woodworking lathes. The turning and boring dual-purpose numerical control woodworking lathe comprises a machine body, a main shaft, a tail base, a lower supporting plate and the like, wherein a follow-rest and an upper supporting plate I are arranged on the lower supporting plate; a lathe tool rest is fixed on the upper supporting plate I; an upper supporting plate II is moveably arranged on the lower supporting plate; a boring tool rest is fixed on the upper supporting plate II; a boring tool is fixed on the boring tool rest; a boring tool lead screw and a boring tool lead screw nut are connected between the upper supporting plate II and the lower supporting plate; the outer end of the boring tool lead screw is connected with a boring tool rest motor; and the boring tool rest motor is connected with an external control unit through a signal wire. The turning and boring dual-purpose numerical control woodworking lathe has the beneficial effects that: turning and boring processes are realized on the same machine tool by adopting double rests, so the production efficiency is high and the smoothness is high; secondary clamping is avoided, so the processing precision is high; the rests adopt a stepping or servo motor and are controlled by a numerical control system, so the precision is high; and the structure is simple and popularization and implementation are facilitated.

The invention discloses a laser cladding device for repairing a main drive runway of a shield tunneling machine. The laser cladding device comprises a working platform and a cushion block. The cushionblock is fixed to one corner of the working platform. A first electric slide table is fixedly arranged in the middle of the top end of the working platform. An L-shaped fixed frame is fixedly arranged at the top end of a slider of the first electric slide table. A laser cladding head is fixedly arranged on the top of the front face of the L-shaped fixed frame. The positions, close to the two corners of the front face, of the top end of the working platform are each fixedly provided with a diameter adjusting mechanism. Each diameter adjusting mechanism comprises a second electric slide table and a supporting roller. When laser cladding is conducted on the main drive runway of the shield tunneling machine, a grinding wheel is driven by a second motor to rotate to grind the surface of the main drive runway of the shield tunneling machine, an obtained laser cladding coating meets the requirement for the working environment of the main drive runway of the shield tunneling machine, the performance of the main drive runway of the shield tunneling machine is improved, the service life of the main drive runway of the shield tunneling machine is prolonged, laser cladding and grinding are conducted at the same time, and the repairing efficiency can be effectively improved.

The invention belongs to the technical field of SMD carrier tape splicing, and particularly relates to an automatic SMD carrier tape adhesive film splicing machine. The automatic SMD carrier tape adhesive film splicing machine comprises a rack, a cam system, a splicing film conveying mechanism and a vacuum film-suction transfer mechanism are arranged above the rack; a carrier tape charging tray, abarcode printer, a stapler splicing pliers, a waste recycling drawer, a manual carrier tape slicing, a display and an operation interface are arranged at the outside of the rack; the cam system includes a closed loop stepping motor, synchronous wheels, pressure roller movable cams of a carrier tape conveying mechanism, movable control cams of a carrier tape cutter mechanism and control cams of asplicing lifting platform; the splicing film conveying mechanism comprises a carrier tape roll, a carrier tape motor, a rack motor and a plurality of transfer wheels; and according to the vacuum film-suction transfer mechanism, a vacuum suction head is driven by a screw motor and the rack motor to suck and transfer a splicing film to the film pasting position. The automatic SMD carrier tape adhesive film splicing machine has the characteristics of high automation degree, high efficiency of carrier tape splicing, good consistency and high universality, and barcode printing provides conveniencefor tracking, contrasting and error proofing.

The invention discloses a laser impact grain refinement pretreatment auxiliary laser dynamic flexible micro-forming method and device, and relates to the field of laser processing and forming. The device comprises a laser loading system, a plastic forming system, an automatic mold changing system and a clamp system. According to the method, a workpiece is subjected to laser impact pretreatment toachieve grain refinement and then subjected to laser dynamic flexible micro-forming, and grain refinement pretreatment and forming machining are achieved through a movable mold core and a mold core supporting body. According to the method and device, the novel micro-mold is used for carrying out laser impact grain refining pretreatment before laser dynamic flexible micro-forming, so that the forming capability is improved, the micro-forming precision, the surface quality and the forming limit are further improved, and failure behaviors such as breakage caused by a size effect phenomenon are avoided; and meanwhile, the novel automatic mold changing system for the micro mold can avoid secondary clamping, so that the production cost is effectively saved.

The invention discloses a pump body accessory fan housing machining treatment machinery and treatment method, and relates to the technical field of machining. The pump body accessory fan housing machining treatment machinery comprises a horizontally fixed bottom support plate, support legs are arranged at the bottom of the bottom support plate for supporting, and a support rib plate is arranged atthe position, close to the left side, of the top of the bottom support plate; the support rib plate is vertically fixed to the top end of the bottom support plate, and a second support rib plate vertically arranged at the top end of the bottom support plate is arranged at the position, close to the right side, of the top of the bottom support plate, and a through bearing hole is formed in the middle of the support rib plate. According to the pump body accessory fan housing machining treatment machinery and the treatment method, the support rib plate is fixed to the top end of the bottom support plate, a horizontally-placed transmission shaft is installed on the support rib plate, a stretchable rhombus frame is installed on the outer wall of the transmission shaft, the rhombus frame supports the fan housing, and a pneumatic cylinder pushes a support rod base to slide in the axial direction, so that the rhombus frame stretches or contracts; therefore, the fan housing can be quickly installed, fixed and dismounted, and the operation simplicity during workpiece replacement is improved.

The invention discloses a honing machine for machining the interior of an engine cylinder body. The honing machine comprises a base, wherein a rotary worktable is arranged on the base, four mounting fixtures for the engine cylinder body are arranged on the rotary worktable, three honing cutters which are longitudinally arranged are arranged on the base, the honing cutters can move up and down under the driving of a lifting mechanism, the honing cutters are driven by a rotating mechanism to machine the interior of the engine cylinder body, and the three honing cutters correspond to three of thefour mounting fixtures; The honing machine is provided with the four mounting fixtures, one mounting fixture serves as a mounting station, the other three mounting fixtures serve as processing stations, and the mounting station is separated from the processing stations, so that the safety of an operator is ensured; by the honing machine, three engine cylinder bodies can be machined simultaneously, so that the working efficiency is greatly improved; and in addition, machining can be completed on one honing machine for different procedures, secondary clamping is avoided, and the machining quality of workpieces is improved.