975results about "Turning machines" patented technology

The invention provides efficient integrated machining equipment for automobile hubs, and relates to the technical field of hub machining, the efficient integrated machining equipment comprises a turning numerical control table, a hydraulic expansion mandrel, a turning assembly and a turning rack, the turning numerical control table is fixedly installed at the side end of the turning rack, the hydraulic expansion mandrel is fixedly installed on the turning numerical control table, and the hydraulic expansion mandrel is fixedly installed on the turning rack. The turning assembly is fixedly installed on the turning machine frame, a recycling mechanism for recycling waste liquid is arranged on the turning machine frame, a processing mechanism for processing the waste liquid is arranged on the turning machine frame, and the recycling mechanism comprises a turning protective cover, a cooling spray head and a V-shaped guide plate. According to the device, the V-shaped guide plate, the coarse separation box, the stainless steel wire net, the recycling box, the filtering layer and the scrap box are matched, and functional modules such as waste liquid diversion recycling, preliminary separation, metal scrap adsorption, scraping and collection, waste liquid fine filtering and waste scrap temporary storage are compactly integrated on turning equipment; and extra arrangement of a huge and dispersed external system for waste treatment is avoided.

The invention discloses a chamfering machine for machining mechanical parts, and belongs to the technical field of chamfering machines, the chamfering machine for machining the mechanical parts comprises a fixed rack, and a sliding limiting mechanism is fixedly mounted in the center of the top of the fixed rack; a rotary limiting mechanism is fixedly mounted at the center of the top of the sliding limiting mechanism, a rotary feeding mechanism matched with the rotary limiting mechanism is further fixedly mounted at the top of the fixed rack, and two sets of symmetrically-arranged turning and chamfering mechanisms are slidably mounted on the two sides of the top of the sliding limiting mechanism correspondingly; a servo driving mechanism used for driving the two turning and chamfering mechanisms is installed at the bottom of the sliding limiting mechanism. According to the rotary feeding mechanism simple in design, the left feeding disc and the right feeding disc are controlled by the first servo motor to move, so that the conveying, machining pause and conveying and discharging processes are smoother, the machining pause time is shortened, and meanwhile the overall machining efficiency is improved.

The invention relates to a machining device for optical workpieces, to a use of a cross-table, and to a method for facing an optical workpiece, wherein the workpiece is first fed to a tool along a roller-supported feed axle and is then machined by facing only by axial movement of the tool. Furthermore, the workpiece being machined is moved along a transverse axis with hydrostatic mounting during machining. This enables a simple and cost-effective design and highly precise machining.

The invention relates to the field of lathes, in particular to a wind power bolt slender shaft turning special machine which comprises a machine body composed of a shell and a base. A main shaft unit, a sliding table unit and a tool rest unit are arranged on the base; the self-avoiding positioning unit is arranged on the main shaft unit, the self-avoiding positioning unit comprises a telescopic positioning assembly and a locking assembly used for locking the positioning assembly, and the positioning assembly is used for conducting double positioning of axial jacking and radial clamping on the wind power bolt; the positioning assembly can contract in the machining process so as to avoid a tool feeding space. The retractable positioning assembly is matched with the locking assembly for linkage unlocking, when the tool rest unit moves to a clamping area, unlocking can be automatically triggered, the claw petals are retracted, the machining space of a tool is completely avoided, and therefore integrated continuous machining of a wind power bolt shaft body and threads at the two ends is achieved. And the procedures of end waste cutting and secondary clamping are thoroughly eliminated.

The invention relates to the technical field of eccentric shaft machining lathes, in particular to an eccentric shaft machining lathe with an eccentric center structure, which comprises a lathe main body, a fixed frame is fixedly connected to one side of the lathe main body, a movable frame is arranged on the fixed frame in a sliding fit manner, and a rotating seat is rotatably connected to the movable frame; a transmission mechanism is rotationally connected to the rotating seat, a stabilizing ring frame is rotationally connected to the rotating seat, a follow-up rotating ring is rotationally connected to the stabilizing ring frame, an eccentric block center mechanism is fixedly connected to the follow-up rotating ring, and an eccentric shaft is clamped and fixed to a three-jaw chuck on the lathe body; the eccentric block center mechanism is arranged on the follow-up rotating ring, the two angle-adjustable center plates abut against the fan-shaped eccentric block on the eccentric shaft, when the eccentric shaft rotates for machining, the fan-shaped eccentric block on the eccentric shaft is more stably and accurately supported, vibration, unbalance and deformation are reduced, and the machining precision and quality are improved.

The invention relates to a rearview mirror large-diameter mirror rod outer circle turning and thread rolling full-automatic machining all-in-one machine which comprises a rack, a material pushing mechanism, an outer circle turning mechanism, a transmission mechanism and a thread rolling mechanism, the rack is provided with two material stacking areas arranged side by side, and the material pushing mechanism pushes two raw material rods into the outer circle turning mechanism; the outer circle turning mechanism comprises a driving assembly, a first seat body, a second seat body, two hollow chucks, a turning tool assembly and a first driving part, the first seat body is fixedly arranged on the rack, the second seat body is located on the side, away from the push rod, of the first seat body, and the two hollow chucks are rotationally connected to the two seat bodies correspondingly; the turning tool assembly is arranged between the first seat body and the second seat body; the transmission mechanism is located between the second base body and the thread rolling mechanism, and the two raw material rods are conveyed to a feeding opening of the thread rolling mechanism in the same direction. The material pushing mechanism can push the two raw material rods to enter the outer circle turning mechanism at the same time, two machining devices do not need to be arranged side by side, and the machining speed of a follow-up thread rolling machine is better matched.

The lathe comprises a lathe body, a guide rail, a rotating chuck and a movable base, a material changing device is arranged on one side of the lathe body and comprises a containing frame, a lifting frame and a material changing frame, a material preparing station is arranged in the containing frame, and the lifting frame and the material changing frame are driven by a lifting air cylinder and a telescopic air cylinder correspondingly; a feeding groove and a discharging groove are formed in the end, close to the lathe body, of the material changing frame, an advancing groove matched with the material preparing station is formed in the top of the material changing frame, and an ejection block driven by an ejection spring is arranged in the center of the rotating chuck. Meanwhile, the machined cam shaft is ejected out of the chuck and is received by the discharging groove, and automatic exchange of new and old workpieces is achieved. Automatic and continuous feeding and discharging of camshaft machining are achieved, the waiting time of a machine tool is remarkably shortened, and the machining efficiency and the equipment utilization rate are improved.

The embodiment of the invention provides a pipe fitting connector turning precision control method and system, and relates to the technical field of pipe fitting connector turning precision control. The method comprises the following steps: before turning a pipe fitting joint, acquiring inertial sliding data of a main shaft and micro-motion response data of a feed shaft; according to the inertial sliding data of the main shaft, obtaining an operation condition index of the main shaft; according to the micro-motion response data of the feed shaft, a gap condition index of the feed shaft is obtained; the operation condition index of the main shaft and the gap condition index of the feed shaft are combined to obtain a machine tool state index; according to the machine tool state index, adjusting machining parameters of turning of the pipe fitting connector; obtaining a quality inspection result after the pipe fitting joint is turned; and according to the quality inspection result, the adjustment strategy of the machining parameters is optimized. According to the pipe fitting connector turning precision control method and system, the turning precision of the pipe fitting connector can be improved, and the qualification rate of the pipe fitting connector can be increased.

The utility model discloses a bearing seat machining device, and relates to the technical field of bearing seat machining. The clamping device comprises a supporting table plate and further comprises a rotating plate rotationally connected to the center of the upper end face of the supporting table plate, a first motor is fixed to the center of the lower end face of the supporting table plate, the output end of the first motor is fixedly connected with the rotating plate, the first motor can drive the rotating plate to rotate, and a clamping assembly is arranged above the rotating plate. According to the bearing block arranging and limiting device, the two sets of discharging assemblies can be used for conducting alternate feeding, bearing blocks can be arranged and arranged outside the limiting column in a sleeving mode, the upper end faces of the limiting side plates can support and limit the bearing blocks, the limiting column can be sleeved with the arranged limiting clamping blocks, and therefore the bearing blocks can be arranged on the limiting clamping blocks in a sleeving mode. And meanwhile, the limiting side plates are clamped in the limiting side plates in a sliding mode, the bearing seats can be completely limited in cooperation with follow-up clamping assemblies, multiple sets of bearing seats can be turned at the same time, and the machining efficiency is greatly improved.

The invention is suitable for the technical field of valve element machining, and provides a valve element machining machine tool which comprises a rack and a cutting part arranged on the rack in a sliding mode. The rack comprises a conical disc; supporting plates are fixed to the surfaces of the conical discs. A clamping part used for clamping a valve element blank is rotationally arranged on the side face of the supporting plate in a penetrating mode. A sliding frame in sliding fit with the cutting part is fixedly mounted at the top of the supporting plate; two groups of stopping parts matched with the cutting parts are arranged on the sliding frame in a sliding manner; insertion rods matched with the sliding frames in an inserted mode penetrate through the side faces of the vertical plates in a sliding mode. According to the device, in the feeding process of the cutter, through linkage cooperation of all the components, dynamic limiting of a valve element blank in the axial direction of the valve element blank is achieved, deviation of the blank is avoided, deviation and dislocation of the valve element blank caused in the cutter feeding process are avoided, the clamping stability of the valve element blank is improved, and the working efficiency is improved. And the machining quality of the valve element blank is further improved.

The invention discloses a horizontal numerical control lathe and relates to the technical field of numerical control machine tools, the horizontal numerical control lathe comprises a machine base, a tool apron fixedly arranged on the machine base and a tailstock slidably arranged on the machine frame, a turning tool is installed on the tool apron, a rotating disc is rotatably arranged on the tailstock, and a motor used for driving the rotating disc to rotate is arranged on the tailstock. A turntable is arranged on the machine base, a workpiece clamping tool is arranged on the turntable, an auxiliary support is further arranged on the machine base in a sliding mode, a feeding mechanism used for driving the tailstock and the auxiliary support to slide is arranged on the machine base, and a positioning cavity used for allowing a workpiece to penetrate through is formed in the auxiliary support. And a plurality of positioning pieces for limiting radial deviation of the workpiece are arranged in the positioning cavity. By means of the turning tool, the stability of the workpiece during machining can be improved, the turning tool can conduct turning machining on the workpiece more accurately, and the machining precision and the machining quality are guaranteed.

The invention discloses an automatic finish turning lathe for a motor rotor, and belongs to the technical field of automatic lathes. The automatic finish turning lathe for the motor rotor comprises a lathe bin body and a mounting table, a square through groove is formed in the middle of the mounting table, and cutting equipment for turning is arranged on one side of the top of the mounting table; the two ends of the top of the mounting table are jointly provided with a clamping mechanism used for clamping a motor rotor, the top of the mounting table is provided with an axis adjusting mechanism, and the axis adjusting mechanism is located on the inner side of the clamping mechanism. According to the invention, after the two groups of annular bins are adjusted to be located at the outer side of the motor rotor iron core through the position adjusting mechanism, the fixing mechanism and the braking mechanism are matched to limit the rotation of the motor rotor; according to the invention, the cutting equipment can perform spline turning on the rotating shaft part of the motor rotor without limitation, and the stability of the motor rotor in the spline turning process can also be ensured.

The invention belongs to the technical field of heavy machine tool machining, and particularly relates to a transmission structure for heavy horizontal machine tool machining and a machining method. Comprising a moving seat, the two ends of the upper surface of the moving seat are fixedly connected with a tool apron and a skewness measuring assembly respectively, the skewness measuring assembly comprises a measuring tool connecting arm, the measuring tool connecting arm comprises a first measuring tool arm, one end of the first measuring tool arm is rotationally connected to a lifting seat and is in transmission connection with a stepping motor, and the stepping motor is fixedly connected to the lifting seat. The device can assist a wheel velocimeter in more conveniently and accurately measuring the rotating speed and the skewness of the outer surface of a turning billet in real time, and is more convenient for lifting a workpiece, so that cuttings generated in turning are reduced, and the cuttings are prevented from scratching the machined surface; built-up edges can be reduced, the surface smoothness is improved, and the surface roughness is reduced; and in the turning process, the turning speed is adjusted in real time along with the change of the shape and the quality of the machined steel blank so as to keep the optimal turning rotating speed.

The invention relates to the technical field of intelligent manufacturing equipment, in particular to a turning machine tool and a turning method of a hydraulic motor output shaft. The turning machine tool comprises a rack, a drill chuck assembly used for clamping and fixing a workpiece is rotationally installed on the rack, and the drill chuck assembly is driven by a driving device arranged on the rack to rotate; a tailstock is fixed to the machine frame, and an ejector pin which can linearly move, can rotate and is used for abutting against and limiting the end of a workpiece is installed on the tailstock. A tool rest bottom plate capable of linearly moving in the axial direction of a workpiece is arranged on the rack, a rotary cutter head is arranged above the tool rest bottom plate, and a tool turret is arranged above the rotary cutter head; a plurality of turning tools with the machining precision gradually increased are sequentially and fixedly clamped on the tool turret in the circumferential direction at equal angles. The turning method is efficient, precise and high in automation degree. And the bottleneck problems of low efficiency, poor precision stability, dependence on skilled workers and the like of multi-precision shaft parts such as output shafts of hydraulic motors in the traditional turning process are effectively solved.

The invention relates to the technical field of lathes, and provides a molecular pump shell machining lathe which comprises a lathe body, a sliding seat and a three-jaw chuck are arranged in the lathe body, a mounting seat is rotatably mounted on the sliding seat and connected with an extension rod, one end of the extension rod is connected with the mounting seat, and the other end of the extension rod is connected with a cutter. A first connecting piece is arranged between the extension rod and the mounting seat, and the extension rod is detachably mounted on the mounting seat through the first connecting piece; a second connecting piece is arranged between the extension rod and the cutter, and the cutter is detachably installed on the extension rod through the second connecting piece. The molecular pump shell machining lathe can adapt to machining work of workpieces of different sizes.

An assembly and method for preparing a pipe elbow for welding. The assembly has a cone clamping sleeve assembly adapted to be inserted into an end of the pipe elbow and a faceplate assembly removably affixed to the cone clamping sleeve assembly. The cone clamping sleeve assembly has a face at one end thereof. The face has at least one locating hole and at least one screw hole. The faceplate assembly has at least one locating pin receivable by the locating hole of the cone clamping sleeve assembly. The faceplate assembly has a captive screw threadedly received by the screw hole. The faceplate assembly has at least a pair of centering pins positioned at diametrically opposed locations on a faceplate. The centering pins are radially adjustable and adapted to bear against an inner diameter of the end of the elbow.

The furnace roller rough machining turning equipment comprises a rack, a spindle box is arranged at one end of the top of the rack, a tailstock is arranged at the other end of the top of the rack, and three-jaw chucks used for fixing a furnace roller are arranged on the opposite sides of the spindle box and the tailstock correspondingly. A turning mechanism is further arranged at the position, located between the spindle box and the tailstock, of the top of the rack, the furnace roller turning machine further comprises a movable base, a mounting plate, a furnace roller supporting mechanism and a furnace roller axial limiting mechanism, the mounting plate is arranged above the movable base, and position adjusting structures are arranged between the mounting plate and the movable base and between the movable base and the rack. The furnace roller supporting mechanism is mounted at the top of the mounting plate and used for supporting and fixing the furnace roller, the furnace roller supporting requirements of various specifications can be met, the supporting device does not need to be frequently replaced, the universality and applicability of equipment are improved, and the equipment cost and the use cost are reduced.

The application belongs to the technical field of crankshaft turning, in particular to a crankshaft machining and turning device, which comprises a lathe base, a fixing base is fixed to the top end of the lathe base, a sliding base is slidably connected to one side of the lathe base away from the fixing base through a No.1 electric sliding block, two V-shaped clamping blocks are arranged to clamp the outer wall of the crankshaft during turning, two conical rods are arranged to clamp the two ends of the crankshaft, the two V-shaped clamping blocks can clamp crankshafts of different thicknesses for turning, after the two ends of the crankshaft raw material are clamped by the two conical rods, four clamping plates are arranged at the crank wall on both sides of the turning position to clamp, which replaces the traditional clamping mode of the two ends of the crankshaft, can self-adaptively adjust the clamping position to clamp both sides of the turning position, improves the stability of clamping the eccentric crankshaft, reduces the situation of falling off of the crankshaft, improves the machining quality and the safety of the equipment, and reduces the failure rate and maintenance cost in the production process.

The invention relates to the technical field of motor shaft turning, and discloses a motor shaft production turning device which comprises a machine base, a machine shell is installed on the machine base, a turning assembly used for turning a motor shaft is arranged on the machine base, and a guide rail block is fixedly connected to the top inner wall of the machine shell. The control assembly drives the two moving arms to be matched with the conical clamping heads to be clamped in prefabricated holes in the two ends of the motor shaft, centering clamping is achieved, then the stabilizing devices on the two moving arms can achieve multi-position self-adaptive clamping and supporting of different positions of the motor shaft, center clamping is achieved when the two ends are turned, and two-end clamping is achieved when the center is turned. A machining area avoids a supporting point, rotation of the motor shaft and radial run-out in the turning process can be effectively limited, it is guaranteed that the motor shaft is machined in place at a time in the turning process, time loss and errors caused by multiple times of clamping are reduced, the machining efficiency is remarkably improved, and meanwhile the machining cost is reduced. And the dimensional precision and the coaxiality consistency of all the machining parts of the motor shaft are guaranteed.

The invention relates to the technical field of motor production and machining, and provides a motor shaft turning device which comprises a workbench and a tool rest installed at the top end of the workbench. A base is installed at the top end of the workbench, a centering structure is arranged on one side of the top of the base, and a clamping mechanism is installed on one side of the centering structure; a rack is fixed to one side of the top end of the workbench, a conveying mechanism is installed at the top of the rack, and a collecting cavity is installed at the bottom of the workbench. The material conveying mechanism is arranged, the conveying wheels are arranged on the top of the rack, the motor shaft can be automatically turned over by 90 degrees after material changing is finished, automatic conveying of a single motor shaft is achieved, manual intervention is avoided, the material changing time is shortened, and the material conveying mechanism, the centering structure and the clamping mechanism are cooperatively matched, so that the material changing efficiency is improved. The complete process integration of automatic feeding, precise centering, stable clamping, turning machining and automatic discharging of the motor shaft is achieved, and the machining precision, the production efficiency and the stability of motor shaft turning are remarkably improved.

The invention discloses a turning device for steel pipe pole production, and particularly relates to the technical field of workpiece turning, the turning device comprises a turning rack and a steel pipe pole main body, and a turning tool bit frame used for turning the end face of the steel pipe pole main body is mounted in the turning rack; a stable cutting assembly used for rigid supporting and heat conduction with the interior of the steel pipe pole body is arranged in the turning rack. The stable cutting assembly comprises a plurality of stable frames installed in the steel pipe pole body, and the top of each stable frame is fixedly connected with a dispersed support. The stable frames and the steel pipe pole body are in multi-point contact design, the scattered supports can be driven to synchronously support the steel pipe pole body in a multi-point mode, it is effectively avoided that the stable frames directly cover the interior of the steel pipe pole body in a large area, large-area shielding on a heat dissipation face is avoided, and discharging can be smoothly conducted through the discharging-in channels in the tops of the scattered supports; and the problem of local overheating caused by turning heat accumulation is effectively avoided, and finally the completeness of turning machining of the steel pipe pole body is guaranteed.

This invention relates to the field of metal turning, and more particularly to a turning apparatus for automotive parts production. Existing apparatuses are prone to stress deformation during turning due to excessively long rollers and a single fulcrum, making it difficult to adjust the roller position in real time and determine if the adjustment is adequate. Furthermore, it is difficult to predict whether the roller will deflect during rotation, easily leading to the scrapping of the roller during processing. The new turning apparatus for automotive parts production includes a drive motor, etc.; a three-jaw chuck is mounted on the output shaft of the drive motor for clamping automotive drive rollers; a slide rail is fixedly connected to a support base plate, and an electric slide table is slidably connected to the slide rail. Two sliding frames drive a wheel frame to clamp the side of the roller, and then the three-jaw chuck is tightened to fix one end of the roller. This provides the roller with an additional fulcrum during processing, reducing the likelihood of deformation due to excessive roller length during turning.

The invention discloses a brake disc machining device, and particularly relates to the field of brake disc machining, the brake disc machining device comprises a machine body, the machine body comprises a machining table, a positioning and clamping mechanism is arranged on the machining table, the positioning and clamping mechanism comprises a rotatable clamping assembly, the clamping assembly is used for positioning and clamping a brake disc, and a turning mechanism is further arranged on the machining table. By arranging the expansion mechanism, the filling plug can be shrunk and adjusted in the process of plugging and unplugging the filling plug, so that the filling plug can be conveniently plugged and unplugged, the inner wall of the heat dissipation hole cannot be damaged in the plugging and unplugging process, and when the filling plug is inserted into the heat dissipation hole, four fan-shaped columns can be driven to synchronously and radially move and be attached to the inner wall of the heat dissipation hole, so that the heat dissipation efficiency is improved. The problem that in the turning process, due to the fact that the filling plugs are not attached to the inner walls of the heat dissipation holes, the integrity of the edges of the heat dissipation holes is damaged in the turning process is solved, full-automatic intelligent machining of the brake disc can be achieved, automation and digitization of the machining process are achieved, and manual intervention is reduced.

A machine tool 1 includes tool holding parts 31 and 32 that hold tools 21 and 22, a first main shaft 11 that grips a workpiece W and is capable of rotating the gripped workpiece W in a first rotation state which enables lathe-turning along a first direction of the workpiece, a second main shaft 12 that grips the workpiece W and is capable of rotating the gripped workpiece W in a second rotation state which, different to the first rotation state, enables lathe-turning along an extending direction in a second direction of the workpiece different from the first direction, and a control part 16 that controls the first main shaft 11, the second main shaft 12, and tool holding parts so that the workpiece W is lathe-turned by the tools 21 and 22 held by a tool holding part 15.

A variable-speed thin-wall shell turning vibration suppression method is suitable for the problem of turning vibration caused by poor rigidity of a thin-wall shell, belongs to the technical field of machining, and comprises the following steps: step (1), preliminarily determining an optimal turning speed range Smin-Smax of the shell; step (2), preliminarily determining the speed a1 of increasing or decreasing the rotating speed of the main shaft along with the change of the Z-axis point position; (3) if the composition structures of the turning molded surface are various, Z-coordinate theoretical connection points among the composition structures are determined; (4) on the basis of numerical software, the machining method according to the claim 1 is adopted, and respective Z-axis point position reduction rates a2 are set for different composition structures; calculating actual connection point positions among the composition structures, comparing the actual connection point positions with the theoretical connection point positions in the step (3), and modifying a2 to enable the error between the actual connection point positions and the theoretical connection point positions in the step (3) to be within 0.01 mm; and (5) turning is conducted, and the vibration reduction effect is tested.

The invention discloses a turning device for machining machine tool parts, and relates to the technical field of turning devices.The turning device comprises a turning machine tool and a three-jaw chuck installed on the inner side of the turning machine tool, a turning tool rest is installed at the top of the turning machine tool, and a shaft workpiece is clamped on the inner side of the three-jaw chuck; and the auxiliary stabilizer is located on the inner side of the turning machine tool, and the auxiliary stabilizer comprises a notch ring arranged on the outer side of the shaft workpiece. Through the arrangement of the auxiliary stabilizer, during turning, cutting force of a cutter to a shaft workpiece can enable the workpiece to vibrate, the four balls abut against and limit the workpiece in different directions, vibration of the workpiece in the circumferential direction and the axial direction can be effectively restrained, in this way, the turning path of the cutter is more stable and accurate, and the machining precision of the workpiece is improved. And the problems of dimensional deviation and surface roughness caused by vibration can be obviously reduced, so that the dimensional precision and the surface quality of shaft workpieces are improved.

The invention relates to the technical field of aluminum profile machining, in particular to an anti-vibration cutting lathe for aluminum profile machining, which comprises a workbench, the top of the workbench is fixedly connected with a mounting frame, the bottom of the workbench is provided with an anti-vibration base, and the workbench is provided with a material pushing plate for cutting and feeding an aluminum profile. According to the tubular aluminum profile cutting device, through the arrangement of the main cleaning mechanism, when a tubular aluminum profile is cut, a main dust suction hood can clean and collect chippings generated when the aluminum profile is cut, it is ensured that a cutting area is clean, and when an operator pulls the aluminum profile to move during discharging, the chippings can be cleaned and collected through the main dust suction hood; the auxiliary dust collection cover can move along with pulling of the aluminum profile sections, in the moving and resetting process of the auxiliary dust collection cover, chippings between every two adjacent aluminum profiles and chippings moving along with the aluminum profiles can be cleaned, and therefore the precision of follow-up aluminum profile cutting is guaranteed.

The invention discloses petroleum drill rod joint turning equipment in the technical field of petroleum drill rod machining, which comprises a base, a moving seat, a fixed seat and a double-station turning mechanism, the moving seat and the fixed seat are both provided with a rotating assembly, a conveying assembly and six positioning mechanisms, and each positioning mechanism comprises a first limiting wheel, a second limiting wheel, a moving assembly and an adjusting assembly. Feeding and discharging conveying of the petroleum drill rod is achieved through the conveying assembly, and the conveying assembly is matched with the rotating assembly and the six positioning mechanisms, so that the petroleum drill rod can sequentially pass through the feeding position, the first machining position, the second machining position and the discharging position, and feeding positioning of the petroleum drill rod, turning machining of the outer wall and the inner wall of a drill rod connector and discharging operation are sequentially conducted; the continuous processing treatment of the petroleum drill rod is realized; by arranging the moving structure and the moving seat, the position of the moving seat is adjusted so as to adapt to the petroleum drill rods with different lengths, and the positioning effect is improved by positioning the two side sections of the petroleum drill rod through the positioning mechanisms.

The invention is applicable to the technical field of thread cutting, and provides a cutting system for processing a reverse-thread nut stud, which comprises a conveying frame, two groups of high-temperature-resistant conveying belts which are arranged in parallel are arranged between the two supporting frames from top to bottom in a transmission manner; a cutting frame is fixedly mounted on the side surface of the U-shaped seat; the outer wall of the rotating shaft is provided with a reciprocating spiral groove matched with a left-hand thread on the circumferential side face of the left-hand thread nut column. A sliding seat matched with the reciprocating spiral groove is arranged on the inner bottom face of the U-shaped table in a sliding mode. A cutting piece in sliding fit with the sliding rail is rotationally arranged on the side face of the sliding base. According to the system, the two sets of high-temperature-resistant conveying belts are used in cooperation with the clamping pieces and the stopping pieces, charging, discharging and tool setting of a to-be-cut nut column body are achieved, the automation degree is high, meanwhile, the clamping pieces and the stopping pieces complete fixed clamping of the to-be-cut nut column body, the working efficiency is improved, and the working efficiency is improved. The working efficiency is improved, meanwhile, the turning stability is improved, and then the turning quality is improved.

The invention discloses a lathe for machining a water pump shell, and belongs to the technical field of special lathes, the lathe comprises a supporting mechanism for supporting the water pump shell, and the supporting mechanism is provided with a machining mechanism for driving the water pump shell to rotate and turning the water pump shell and a driving mechanism; the supporting mechanism can automatically adjust the position of the balancing weight according to the position of the bottom foot of the water pump shell, so that the overall gravity center of the outer sleeve and the water pump shell is closer to the rotation center, vibration during high-speed rotation is effectively reduced, and the turning precision is improved; according to the machining mechanism, the structure that a bidirectional threaded column drives an inner supporting block is adopted, and a supporting slope and a cone are matched, so that the inner supporting block can uniformly apply supporting force to the pump body from inside to outside, and the size precision and roundness after machining are ensured; through linkage control of the butt joint motor, the rotating motor and the turning tool electric cylinder, automatic clamping, rotating and turning of the water pump shell are achieved, the automation degree is high, and continuity is good.