4205results about "Large fixed members" patented technology

The invention discloses an integrated machining device suitable for a large marine propeller, which comprises a machining adjusting assembly, the machining adjusting assembly is composed of an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, one side of the Z-axis moving mechanism is fixedly provided with a rotating mechanism, one end of the rotating mechanism is fixedly connected with a cutting assembly, and the other end of the rotating mechanism is fixedly connected with a cutter; according to the large marine propeller integrated machining device with the automatic machining function and the self-adaptive clamping function, through the integrated multi-axis linkage machining adjusting assembly and the three-dimensional scanner, automatic path planning can be conducted, and automatic operation is achieved; therefore, the dependence on advanced technicians is greatly reduced, the machining efficiency and the product consistency are remarkably improved, and meanwhile, through the collaborative design of the rotatable three-jaw chuck and the center supporting mechanism, simultaneous reliable supporting from the interior and the exterior of the workpiece can be automatically achieved during clamping.

The application discloses a kind of through tool turret-lathe tool ultra-low temperature medium internal spray type cooling numerical control lathe, including inclined bed lathe host, ultra-low temperature medium heat insulation transmission control system, ultra-low temperature medium internal spray type tool turret and ultra-low temperature medium internal spray type lathe tool.The ultra-low temperature medium internal spray type tool turret and ultra-low temperature medium internal spray type lathe tool realize that ultra-low temperature medium is transported to the cooling of tool tip by the inner cavity channel of tool turret-tool, solve the integration problem of liquid nitrogen internal spray type cooling function and conventional lathe structure;Ultra-low temperature medium internal spray type lathe tool tail end uses telescopic transmission pipe, realizes the directional supply of ultra-low temperature medium to working lathe tool when automatic tool changing;Ultra-low temperature medium transmission pipeline passes through from the spindle center of ultra-low temperature medium internal spray type tool turret, and adopts vacuum heat insulation structure, without affecting original structure, ensure the heat insulation transmission of medium;Ultra-low temperature medium control system and the integration of numerical control machine tool, realize the stable controllable of pressure and flow in ultra-low temperature medium transmission process.

The invention provides multichannel spinning and turning integrated equipment for a cylindrical part of a carrier rocket and a machining method. The multichannel spinning and turning integrated equipment comprises a lathe bed, a main spindle box, a closing-in spindle box, a spinning roller frame, a tail top, a heating system, a control system and a hydraulic system. The main spindle box, the closing-in spindle box, the spinning roller frame and the tail top are installed on the lathe bed. The main spindle box is connected with the closing-in spindle box and drives the closing-in spindle box to work, a cylindrical part blank is clamped between the closing-in spindle box and the tail top, the spinning roller frames are located on the two sides of the cylindrical part blank, and the heating system is installed on the spinning roller frames; the control system is connected with the main spindle box, the closing-in spindle box, the spinning roller frame, the heating system and the hydraulic system. The hydraulic system is connected with the main spindle box, the closing-in spindle box, the spinning roller frame and the tail top. Through cooperation of the main spindle box, the closing-in spindle box, the spinning roller frame, the tail top and the like, the in-situ machining function combining forced spinning machining, closing-in machining and turning machining of cylindrical parts, conical parts and curved-bus-shaped parts of the carrier rocket is achieved.

The utility model discloses a rotary table with a lifting adjusting function, and belongs to the technical field of rotary tables. The rotary table comprises a base of a cavity shell structure. The driving assembly comprises a driving motor and a transmission assembly, the driving motor is installed on the base, the transmission assembly is installed in an inner cavity of the base, and an output shaft of the driving motor is connected with the power input end of the transmission assembly; the lifting assemblies are vertically installed on the base in an array mode, the power input end of each lifting assembly penetrates through a shell of the base and extends to an inner cavity of the base, and the power input ends of the lifting assemblies are connected with the power output end of the transmission assembly; and the rotary table base is installed at the power output end of the lifting assembly, and a rotary table body is rotationally installed on the rotary table base and used for installing a workpiece. The driving assembly is used for providing power for the lifting assembly, the lifting assembly is used for horizontal lifting adjustment of the rotary table base, and the problems that an existing rotary table lifting adjusting mechanism is exposed, adjustment clamping stagnation is likely to occur, and shielding is caused are solved.

The present invention discloses an adaptive curved surface support device for a mirror milling swing head, relates to a technical field of part machining, comprises a fixing frame, a shell, a gimbal mechanism, a floating support mechanism and a plurality of springs, the shell is mounted at one end of the fixing frame, one end of the shell is provided with the universal mechanism and the floating support mechanism, the floating support mechanism is connected to the universal mechanism, the universal mechanism is used to make the floating support mechanism swing along circumferential direction, and the plurality of springs are arranged in the shell, the plurality of springs connect to the fixing frame and the floating support mechanism.

The invention belongs to the technical field of drilling, tapping and milling compound machines, and particularly relates to a horizontal five-axis drilling, tapping and milling compound machine. The five-axis drilling, tapping and milling combined machine comprises five-axis drilling, tapping and milling machine heads and a combined machine base connected with the bottoms of the five-axis drilling, tapping and milling machine heads, a machining supporting table is arranged between the five-axis drilling, tapping and milling machine heads which are oppositely distributed, and a supporting bottom bin is fixedly arranged at the bottom of the machining supporting table; the supporting extension table is attached to the side face of the machining supporting table and the side face of the supporting bottom bin, a side waist transverse groove is formed in the surface of the supporting bottom bin, an extension bottom rod part inserted into the side waist transverse groove is fixedly arranged at the bottom of the supporting extension table, and a pressing mechanism acting on the extension bottom rod part is arranged in the supporting bottom bin. By means of the detachable and rotatable supporting extension table, the supporting area can be flexibly expanded according to the size of a workpiece, point-to-point precise supporting of an ultra-long workpiece and a special-shaped workpiece is achieved in cooperation with a moving block in a longitudinal groove of the extension table and a height-adjustable supporting head, and the clamping angle can be flexibly adjusted through a combined structure of an arc-shaped adjusting plate and a multi-edge transverse inserting column.

The invention relates to a workbench device and a machine tool. The workbench device comprises a base; the supporting part is arranged on the base, the supporting part is provided with a supporting surface, and the supporting surface is used for being in contact with a supported piece so as to support the supported piece; and at least one of the base and the supporting part is provided with the purging structure, and the purging structure is used for being communicated with an external air source so as to purge impurities on the supporting surface through the purging structure. By means of the technical scheme, the problems that in the related technology, dust particles, metal chippings and other impurities are gathered on the supporting face of the supporting part, abrasion of the supporting face is aggravated, the stability of positioning and supporting is reduced, and the machining quality of a workpiece is affected can be solved.

The invention belongs to the technical field of electric spindles, and particularly relates to an electric spindle and a machine tool. Wherein the machine body assembly is provided with an oil inlet channel and an oil return channel; the shaft core is supported on the machine body assembly through the bearing assembly. One end of the oil injection structure is communicated with the oil inlet channel, and the other end of the oil injection structure is communicated with an inner raceway of the first bearing or the second bearing. A spacer bush arranged on the shaft core in a sleeving mode is arranged between the first bearing and the second bearing, the spacer bush is provided with a flow guide channel and a backflow channel communicated with the oil return channel, and the flow guide channel is provided with an oil throwing inclined face so that waste oil in the first bearing and the second bearing can be guided to the backflow channel. According to the motorized spindle and the machine tool, the flow guide channel is arranged on the spacer bush, the oil slinging slope on the flow guide channel can form forced backflow through centrifugal force, oil return automation is achieved, and old oil and redundant oil are prevented from affecting bearing lubrication and cooling.

The invention discloses a turning and milling composite machine tool for metal machining and relates to the technical field of composite machine tools, the turning and milling composite machine tool comprises a machine tool body, a stand column and a workbench, the machine tool body serves as a basic supporting part of the machine tool, and the stand column and the workbench are oppositely arranged at the two ends of the upper portion of the machine tool body. The turning mechanism and the milling mechanism are both connected with the stand column through the horizontal moving module so as to quickly meet the requirements of the workpiece in different machining procedures, compared with an existing fixing mechanism which only depends on single mechanical clamping, the clamping assembly can stably clamp the workpiece from the peripheral side of the workpiece through the mechanical clamping force of a clamping jaw, and the machining efficiency of the workpiece is improved. And a negative pressure environment can be formed on the contact surface of the workpiece and the clamping assembly by means of the adsorption unit, so that the strength of mechanical clamping force borne by the workpiece can be effectively reduced on the basis of ensuring that the workpiece is kept in a stable state in the machining process, and damage such as indentation on the surface of the workpiece is avoided.

The invention relates to the technical field of compressor cylinder covers, in particular to a compressor partition plate hole machining clamp which comprises a support, four sets of positioning mechanisms, a fixing mechanism and a power mechanism, the four sets of positioning mechanisms are evenly distributed on the support, each set of positioning mechanism comprises a mandrel and an elastic clamp arranged on the mandrel in a sleeving mode, and workpieces are arranged on the elastic clamps in a sleeving mode; the fixing mechanism and the positioning mechanism are correspondingly arranged, and the fixing mechanism comprises a mounting plate arranged on the outer side of the mandrel, a plurality of sets of supporting assemblies arranged on the mounting plate in a circumferential array mode and pressing assemblies arranged corresponding to the supporting assemblies; the power mechanism is installed on the support and drives the supporting assembly, the positioning mechanism and the pressing assembly to act in sequence to clamp a workpiece. The workpiece is placed on the multiple sets of supporting units, the supporting faces of the two sets of turning plates in each set of supporting units can be rotated from opposite arrangement to upward arrangement to support the workpiece, after the workpiece is supported, the positioning mechanism and the pressing assembly fix the workpiece, and the problem that in the prior art, the workpiece positioning precision is poor is solved.

The invention relates to the technical field of machine manufacturing, and discloses a combined machining device with cutting and hot melting drilling, which comprises a base and a pipe, and a machining mechanism and a conveying mechanism are arranged on the base; the machining mechanism comprises a fixing frame fixedly connected to the top face of the base, and an electric push rod is fixedly connected to the top face of the fixing frame. The machining mechanism is arranged, under the cooperation of two hinge plates and a first adjusting plate, the angles of the first adjusting plate and a second adjusting plate are changed, then the angles of a cutting disc and a hot melting drill bit are adjusted at the same time, workpieces of different materials and different specifications can be precisely cut and drilled, and the machining efficiency is improved. The angle can be adjusted according to different machining requirements, the optimal cutting and drilling scheme is found, after the angle is adjusted according to the machining requirements, the electric push rod can be driven to drive the movable frame to move downwards, machining cutting or hot melting drilling is conducted on the pipe, and combined machining of different modes is achieved.

The invention relates to the technical field of combined machining, and discloses a five-axis five-linkage turning, milling and drilling combined machining center which comprises an equipment box, a mounting frame is mounted on the rear side of the inner wall of the bottom end of the equipment box, an automatic tool changing system is arranged on the left side of the mounting frame, and a transmission system is arranged in the middle of the mounting frame. A feeding table is slidably mounted on the front side of the inner wall of the bottom of the equipment box through sliding rails. The five-axis five-linkage turning, milling and drilling combined machining center can effectively solve the problems that in the prior art, a five-axis turning, milling and drilling combined machining center mostly adopts the mode that two sets of clamps are matched, parts need to be repeatedly clamped in the machining mode, the machining period of a single piece is directly prolonged through repeated positioning operation, and machining efficiency is high. The clamping precision and the consistency of the two sets of clamps cannot be guaranteed; in the prior art, a worker needs to stretch the upper body into a closed machining area of equipment and manually righting a part to enable the part to be aligned to a clamping hole position and keep a horizontal state, and the process is tedious in operation steps and has safety risks.

The invention relates to the technical field of washing machine part machining, in particular to special punching equipment for a washing machine tripod, the special punching equipment comprises a base frame and a top shell, the top shell is fixedly mounted at the top of the base frame, and a placing mechanism is arranged in the top shell; the placement mechanism comprises a mounting frame fixedly connected to the top of the base frame, a guide disc is fixedly mounted at the top of the mounting frame, three arc grooves are formed in the guide disc in the circumferential direction at equal intervals, three reference rods are fixedly mounted at the top of the guide disc, and a rotary disc is rotationally connected to the interior of the mounting frame; and three positioning rods are fixedly arranged in the circumferential direction of the turntable. Through cooperative cooperation of the guide disc, the reference rod, the rotary disc and the positioning rod and combination of driving of the first motor, rotation adjustment can be automatically conducted on a tripod workpiece with placement deviation, under the limiting effect of the reference rod, the tripod workpiece is accurately aligned to the machining positions of the three drilling units, and the positioning precision and the machining consistency are improved.

The invention belongs to the technical field of high-speed rotary tables, and discloses a high-stability high-speed rotary table for a milling machine and an operation method thereof.The high-stability high-speed rotary table comprises a rotary table top disc and a rotary table base, the rotary table base is located below the rotary table top disc, and a sleeve hole and a first groove are formed in the top face of the rotary table top disc. The upper portions of the adjusting assemblies which are in relative spiral sleeve connection are made to independently move upwards, the multiple clamping assemblies are driven to move upwards, in cooperation with forming of first grooves, the first clamping rods for actually clamping a workpiece at the top of the rotary table top disc can be accurately adjusted up and down, and therefore when the workpiece is actually clamped, according to the height condition of the top machining end of the workpiece, the machining efficiency is improved. The actual clamping position is adjusted, so that the workpiece is stabilized at the gravity center distribution position of the workpiece during clamping and fixing, better stability is achieved when the workpiece is matched with high-speed rotation and external stress machining under clamping, the application range of workpiece clamping rotation is widened, and meanwhile the stability of a high-machining workpiece under actual high-speed rotation is further improved.

The invention discloses a milling machine suitable for a multi-layer PC board, and relates to the technical field of milling, the milling machine comprises a supporting seat, a movable seat is mounted at the top of the supporting seat, a transposition positioning piece is arranged at the top of the movable seat, and a movable reset piece is mounted on one side of the movable seat. According to the device, the transposition positioning piece is arranged, a first motor drives a bidirectional lead screw to rotate to enable two L-shaped sliding blocks on the bidirectional lead screw to move in opposite directions, so that a first clamping plate clamps the two sides of a multi-layer PC board, at the moment, a second motor is started to enable the multi-layer PC board to rotate along with rotation of the first clamping plate; and similarly, when the second clamping plate clamps and limits the PC plate, the second clamping plate rotates to turn over the PC plate, so that different surfaces of the PC plate can be milled, the PC plate does not need to be repeatedly disassembled, turned over and mounted, the operation is simple, and the milling efficiency of the whole equipment on the PC plate is improved.

The invention provides a brake pad end face slotting machining device, and belongs to the technical field of milling. Comprising a milling device body, a first motor is installed at the top of the milling device body, a milling cutter driving mechanism is installed at the top of the milling device body, a milling cutter body is installed on the milling cutter driving mechanism, and a second motor is installed at the top of the milling device body. By arranging the limiting and fixing mechanism and the overturning auxiliary mechanism, the milling cutter body can be flexibly adjusted in any position of the top space of the milling device body through the first motor and the milling cutter driving mechanism, and the milling cutter body can conveniently conduct milling treatment on a brake pad body placed at the top of the milling device body; and in the milling process of the brake pad body, the brake pad body can be quickly and stably mounted on the first movable block through the limiting and fixing mechanism.

The invention discloses a milling machine for TF coil box AU assembly milling, a machining clamp and a machining method, and relates to the technical field of TF coil box AU assembly milling, and the milling machine comprises a working platform, a gantry type frame, a cross beam sliding plate, a milling spindle box, a milling cutter and a machine body base. According to the milling machine for TF coil box AU assembly milling, the machining clamp and the machining method, the special clamp is designed, centering positioning of a workpiece can be automatically completed, meanwhile, stable clamping of the two sides of the workpiece and self-adaptive adjustment of the clamping force are achieved, workpiece deformation or machining loosening is avoided, the lifting mechanism, the first pushing assembly and the second pushing assembly act synergistically, and the machining precision is improved. By the aid of an electromagnet disc adsorption turnover structure driven by a motor, workpiece turnover can be completed without manual disassembly, the workpiece can be quickly reset to an initial reference surface after turnover, secondary positioning errors are avoided, operation procedures are greatly simplified, procedures such as positioning, clamping and turnover are smoothly linked, manual intervention is reduced, and machining cycle is effectively shortened.

The invention relates to the technical field of sphere cutting machining dies, in particular to a machining die for sphere surface cutting. Comprising a lower die assembly and an upper die assembly, the lower die assembly comprises a hemispherical lower die shell, the top end of the hemispherical lower die shell is fixedly connected with a limiting ring, and a sphere positioning mechanism used for positioning, clamping, rotating and overturning a sphere is installed on the limiting ring; a sliding block is driven to move along an arc-shaped limiting shaft, a cutter covers the whole upper half end face according to a preset path to conduct cutting machining, after cutting machining of the upper half end face is completed, a worm is driven by a third motor, a worm gear and a rotating shaft are driven to rotate, a second ring body and a clamped ball body are made to turn over by 180 degrees, and then cutting machining of the other half end face is conducted. Therefore, the whole end face of the ball can be cut and machined through one-time clamping, the machining efficiency is effectively improved, and meanwhile the workload of secondary clamping of workers is relieved.

The utility model discloses a milling multi-angle swing workbench structure, which relates to the technical field of milling, and comprises a bottom plate, the bottom of the outer wall of a cylindrical sleeve and the top of the outer wall of a sliding column are fixedly connected with a multi-position adjusting assembly, and the inner wall of a protective frame is movably connected with a vertical direction adjusting assembly. According to the milling multi-angle swing workbench structure, the angle of the workbench in the horizontal direction and the height from the workbench to the bottom plate can be adjusted through the multi-position adjusting assembly. The workbench is mainly driven by hydraulic pressure to ascend and descend and driven by gear transmission to rotate, machining of workpieces in different directions can be met, and the height adjustment of the workpieces can ensure the machining precision and avoid collision. And the angle of the workbench in the vertical direction can be rapidly adjusted through the vertical direction adjusting assembly. Transmission of the worm gear and the worm has self-locking performance. And the rotating force of the rotating shaft is transmitted to the connecting shaft through linkage of the bevel gears, so that the connecting shaft drives the workbench to rotate in the vertical direction through the two connecting plates, and the practicability is high.

The utility model discloses a horizontal machining center and a machining center. The horizontal machining center comprises a base, a numerical control rotary table, a stand column, a sliding table, a spindle box, a tool magazine and a movable cutter head. The numerical control rotary table is slidably connected with the base through the X-axis guide rail. The stand column is fixed to the base. A Y-axis guide rail is arranged in the stand column. The sliding table is movably connected to a Y-axis guide rail of the stand column. The spindle box is slidably connected with the sliding table through the Z-axis guide rail and provided with a spindle. The tool magazine is fixed to the outer side of the stand column. The movable cutter head is movably arranged on the stand column through a movable piece, and a plurality of cutter clamping claws are arranged on the movable cutter head in the circumferential direction. The tool changing action of the main shaft is moved to the upper portion, the movable cutter head and the main shaft are used for tool changing, tools of the movable cutter head and the tool magazine can be exchanged in the normal working process of the main shaft, and efficiency is improved. Therefore, the problem that when the main shaft tool machining time is too short, tools cannot be exchanged in time between the tool disc and the large tool magazine, and waiting is caused is solved.

The invention discloses a five-axis turning and milling combined machining machine tool and a machining method. A sliding guide assembly; a headstock; an auxiliary spindle box; a processing assembly; a support assembly; a tool magazine; and a tool changing assembly. The method comprises the following steps: 1, primarily processing a workpiece; (1.1) the workpiece is clamped; (1.2) tool setting is conducted; (1.3) the workpiece is machined; 2, secondary machining of the workpiece; 2.1) transferring the workpiece; (2.2) the workpiece is machined again; and (2.3) feeding and discharging are conducted. The spindle box external clamping and the auxiliary spindle box internal clamping are coaxially arranged, so that the workpiece transfer positioning error is reduced; the supporting assembly can rotate and is matched with a claw clamp of a workpiece contour, a machined face is prevented from being damaged, and workpiece vibration is reduced; the angle second minimum indexing rotation of the clamping pieces, the rotation of the swing head and the rotation of all shafts of the machining assembly and all the clamping pieces meet the complex angle machining requirement; the supporting seats and the supporting rods between the sliding rails counteract the radial force, the multi-axis movement positioning precision is guaranteed, and the machining precision and stability are overall improved.

The invention relates to the technical field of turbine shaft machining, and discloses a turbocharger turbine shaft machining device which comprises a machining bin and further comprises a visual door plate installed at an open hole formed in the front face of the machining bin and used for opening and closing the visual door plate and taking and placing the turbine shaft. The machining table is fixedly connected to the interior of the machining bin and used for machining the turbine shaft; the clamping mechanism is arranged above the machining table and used for clamping the turbine shaft; and the moving mechanism is arranged above the processing table. By arranging the clamping mechanism and adopting the scheme that a conical groove pushes a plurality of sets of push rods and clamping blocks to synchronously and radially move, high-precision automatic centering of the turbine shaft is achieved, it is guaranteed that the rotation center of a workpiece and the machining center strictly coincide, the machining roundness is guaranteed from the source, meanwhile, a first spring provides uniform clamping force, and the machining precision is improved. And deformation or surface damage of the thin-wall part possibly caused by a traditional rigid clamp is avoided, and rigid-flexible precise clamping is achieved.

The utility model discloses an A / C swing head geometric accuracy detection device, and belongs to the technical field of A / C swing head geometric accuracy detection. An A / C swing head geometric accuracy detection device comprises a detection platform and a swing head assembly support, the swing head assembly support is provided with a bottom plate installed and connected to the detection platform and an installation vertical plate fixedly arranged on the bottom plate, and the installation vertical plate is provided with a detachable assembly adapter plate. The assembly adapter plate is provided with a mounting hole for assembling a to-be-detected swing head, the bottom plate is provided with adjusting assemblies capable of performing local top height fine adjustment on the swing head assembly support, and the adjusting assemblies are symmetrically distributed on the two sides of the mounting hole. The detection device can efficiently and accurately detect the geometric accuracy of the swing head.

The invention discloses a gantry numerical control machine tool, and belongs to the technical field of machine tool machining, the gantry numerical control machine tool comprises a gantry machine tool main body and a translation device, the translation device is arranged at the bottom of the gantry machine tool main body, a workbench is mounted at the top of the translation device, and a carrying arm assembly is fixedly mounted at one end of the top of the workbench; a clamping assembly is fixedly installed at the movable end of the carrying arm assembly, a chip cleaning assembly is arranged in the clamping assembly, and blocking and protecting assemblies are arranged on the left side and the right side of the translation device correspondingly. High-precision positioning and large-stroke covering are achieved through the arranged carrying arm assembly, the feeding and discharging time is shortened, a workpiece can be turned over through cooperation with the clamping assembly, the clamping face of the clamping assembly can be turned over downwards, the top of the workpiece is pressed, and comprehensive machining of the workpiece is achieved; and the working table or the workpiece is scoured through the chip cleaning assembly, the blocking and protecting assembly and the follow-up high-pressure spraying device, chips are cleaned and collected in real time, and the size deviation caused by chip accumulation is avoided.

The application discloses a split type workbench of a large vertical lathe and relates to the field of lathe workbenches.The split type workbench comprises an electric rotary table and a circular table installed on the top of the electric rotary table, six electric lead screws are installed on the inner side of the circular table, the top of each electric lead screw is provided with a workbench body, the top of the workbench body is provided with an installation groove, the workbench body is in a one-sixth circular structure, the top of the circular table is provided with a ventilation frame, and the inner side of the ventilation frame is provided with six exhaust nozzles; the application further comprises a protection mechanism for providing storage protection for the exhaust nozzles, the protection mechanism is installed on the top of the circular table, and the protection mechanism comprises six protection screens installed on the outer side of the ventilation frame; through the protection mechanism, the rotation of the workbench body is utilized, the exhaust nozzles are matched with the centrifugal force of the rotation of the workbench body, iron filings in the installation groove on the workbench body are quickly discharged, the exhaust nozzles can be stored and protected, and therefore, the comprehensiveness of iron filings cleaning is improved.

The station switching mechanism comprises a station switching support, a station switching arm, a first driving part and a second driving part, the station switching arm is connected with a station switching arm shaft, and the station switching arm shaft is rotationally arranged on the station switching support; a sliding groove is formed in the station switching arm, a switching arm buckle is arranged in the sliding groove, and the station switching arm is connected with the workbench in a buckled mode through the switching arm buckle. The first driving part is connected with the station switching arm shaft, the station switching arm shaft is driven by the first driving part to rotate, and station switching of the station switching arm is achieved. The second driving piece is connected with the switching arm buckle, and the switching arm buckle is driven by the second driving piece to move along the sliding groove. The synchronous switching mechanism is simple and reasonable in structural design, high in practicability, small in overall size, high in applicability and convenient to operate, accuracy and reliability of operation actions are guaranteed, synchronous switching operation can be carried out on workpieces on two stations at the same time through the synchronous switching mechanism, the workpieces on the two stations are synchronously operated in a one-in-one-out mode, and therefore work efficiency is effectively improved.

The invention relates to the technical field of tool clamp quick change, and discloses a combined machining center machining tool quick change device which comprises a shell, a spindle box is fixedly connected to the top of the inner wall of the shell, a sliding door is connected to the front side of the inner wall of the shell in a bi-directional sliding mode, and a spindle cutter is fixedly connected to the bottom of the spindle box. Longitudinal workbenches are installed on the front side and the rear side of the inner wall of the shell, and transverse workbenches are installed on the left side and the right side of the inner wall of the shell. According to the invention, the replacement efficiency of the tool is improved, and the downtime is shortened, so that the quick positioning and locking of the fixture plate are realized by arranging the quick fixture plate positioning and fixing assembly in cooperation with steel balls, compression springs and other structures of the locking assembly, a plurality of bolts do not need to be disassembled, and the tool replacement process is simple and quick; and meanwhile, workpiece clamping and clamp debugging outside a machining machine tool are supported, parallel operation of machining and clamping is achieved, the traditional mode of tool replacement after shutdown is thoroughly changed, and the non-machining time of the machine tool is greatly shortened.

The utility model discloses a turning and polishing all-in-one machine for machining, and relates to the technical field of machining. The device comprises a bottom plate, two vertical plates are fixedly connected to the top of the bottom plate, a turning module is fixedly connected to the right side of the vertical plate located on the left side, a grinding module is fixedly connected to the left side of the vertical plate located on the right side, and a lifting assembly is arranged on the opposite sides of the two vertical plates and comprises a fixing base; the top of the fixing base is fixedly connected with four second supporting frames. The lifting assembly is arranged, specifically, the second motor is started to drive the first gear to rotate, stable movement and up-down movement of the movable rod in the vertical direction are achieved, the fixed base connected with the movable rod is further driven to be correspondingly adjusted in the vertical direction, operation is easy, the height of a workpiece can be flexibly and accurately adjusted, and the work efficiency is improved. And the machining efficiency is improved, and different machining requirements can be met to a certain extent.

The invention relates to the related technical field of turning machine tools, in particular to a turning machine tool and a turning method for overflow valve manufacturing, the turning machine tool comprises a cabinet body and an assembly seat fixed in the cabinet body, and further comprises a transverse moving seat movably arranged on the assembly seat, a cutter is installed on the transverse moving seat, the transverse moving seat can be driven by a linear driving module arranged on the assembly seat, and the linear driving module is used for driving the assembly seat to move. The assembling base drives the tool to move towards the workpiece, a chuck used for clamping and fixing the workpiece is arranged on the assembling base, and a rotating shaft fixed to the chuck is further rotationally installed on the assembling base. The cutting fluid pump is provided with the conduction control mechanism, on the basis that the power of the cutting fluid pump is synchronously increased, the conduction control mechanism can increase the conduction amount of the fluid outlet, it is guaranteed that the total amount of cutting fluid is sufficient, and the situation that when only the pump power is increased, although the pressure is high, the area of the fluid outlet is not changed, the flow amplification is limited, and cutting heat increased at the square level at the high rotating speed cannot be absorbed is prevented; and hole walls are easy to deform due to temperature difference.

The invention relates to a metal machining milling machine tool, and relates to the technical field of machining. The machine tool comprises a supporting base, a fixed portal frame, a displacement supporting frame, a displacement clamping piece, a rotary clamping piece, an up-down displacement assembly, an electric spindle and a rotary driving assembly, the displacement clamping piece allows a rotating shaft piece to axially displace, the rotary clamping piece allows the rotating shaft piece to rotate, and the rotary clamping piece and the displacement clamping piece conduct clamping at the same time to achieve rotating shaft locking. The two cooperate to realize rotation shaft fixation and motion control. The problems of vibration and machining errors caused by single-side clamping in the milling process of long-shaft parts can be solved.