92results about "Broaching accessories" patented technology

The present invention relates to the technical field of turbine disc processing, and specifically discloses a dual-station interactive platform matching system based on a multi-intelligent system, including a turbine disc specification module, a broach performance module, a broaching process module, a broach management module, a tool magazine module, a data matching module, a cycle module, a dual-station collaboration module, and a step execution module; the present invention records and matches turbine discs, broaches, and broaching processes, and workers only need to input broaching requirements, and the system can automatically plan broaching tasks, and use dual-station collaboration to perform broaching operations, significantly reducing manual intervention and improving the level of automation; it also optimizes the operating steps of the broaching machine and improves the work efficiency of the broaching machine by planning step cycles and limiting the adopted collaboration mode, while using an asynchronous replacement mode to reduce the waiting time for replacing the broach, thereby reducing the impact of replacing the broach on work efficiency, allowing the broaching machine to maintain efficient operation, shortening the production period, and better meeting actual production needs.

The invention relates to the technical field of broaching machines, and particularly discloses a large turbine disc mortise broaching machine main transmission device which comprises a machine shell, a machine cover is hinged to the top of the machine shell, a notch is formed in the surface of the machine cover, strip-shaped openings are formed in the two sides of the machine shell, and a surrounding plate is fixedly installed on the inner bottom wall of the machine shell. According to the main transmission device of the large turbine disc mortise broaching machine, the displacement driving motor drives the lead screw to rotate, the lead screw drives the two lead screw sleeves to synchronously draw close, and the rack assembly, the driving assembly and the cleaning assembly can slide on the sliding rods through the sliding sleeves to be folded; and the main transmission motor drives the driving helical teeth to rotate, the driving helical teeth drive the rack shell, the sliding strip and the broach to slide in the guide rail shell, and the side face of the broach makes contact with the outside of the turbine disc, so that broaching and cutting are achieved, and the purpose of conveniently cutting the outer surface of the turbine disc is achieved.

The invention provides broaching equipment which comprises a machining table top, a broaching assembly, a driving assembly and a guiding assembly, the broaching assembly comprises a clamping part, a broaching part, a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are located on the two sides of the machining table top, and the driving assembly comprises a first driving part and a second driving part; the broaching assembly comprises a first driving part and a second driving part, the first driving part at least drives the broaching assembly to move relative to the machining table top, the second driving part at least drives the first mounting plate to move relative to the second mounting plate, the guide assembly comprises a main guide shaft set and an auxiliary guide shaft set, and the auxiliary guide shaft set is at least fixedly connected with the second mounting plate. The first driving part drives the auxiliary guiding shaft set to move relative to the main guiding shaft set in the axial direction. The upper face and the lower face of the fixed end face are kept relatively parallel, the axial centering reliability of the broach and the stress effect stability during work are improved, and the service life of the broach is prolonged.

The utility model discloses a three-station two-stage material pushing device and a vertical broaching machine, and the three-station two-stage material pushing device comprises a base which is provided with a first sliding rail; the middle plate is slidably mounted on the first sliding rail and connected with a first driving device for driving the middle plate to slide along the first sliding rail; the middle plate is provided with a second sliding rail; the operation panel is slidably mounted on the second sliding rail and connected with a second driving device for driving the operation panel to slide along the second sliding rail; the length extension directions of the first slide rail and the second slide rail are the same; the operation plate is provided with a plurality of workpiece positions which are used for placing workpieces. According to the three-station two-stage material pushing device, workpieces can be conveniently taken and placed, the working convenience of operators is improved, and the operation risk is reduced.

The present invention provides an EPS joint fork intelligent manipulator broaching machine, which includes a feeding mechanism, an arranging and conveying mechanism, a spline broaching device and a positioning and feeding tooling. There are two conveyor belts for conveying universal joint forks on the arranging and conveying mechanism. Along the conveying direction of the conveyor belts on the arranging and conveying mechanism, a first material blocking mechanism, a second material blocking mechanism and a positioning blocking frame are successively arranged. There are two feeding manipulators on the feeding mechanism. There are two broaching tool mechanisms for broaching splines of the universal joint forks in the spline broaching device, and a positioning and feeding tooling movably arranged on one side of the broaching tool mechanism. A positioning mechanism and a material pressing mechanism are arranged on the positioning and feeding tooling. Two positioning discs and a material pressing mechanism are arranged on the positioning mechanism. A central positioning cavity for installing the universal joint fork is arranged in the positioning disc. Two material pressing cylinders are arranged on the material pressing mechanism. This device can automatically arrange and feed materials for broaching splines of the joint forks, reduce labor intensity and improve production efficiency.

The utility model discloses a broaching machine protection device which comprises a protection plate and a magnetic adsorption piece. The protection plates are detachably connected to the two sides of the broaching machine in pairs and form a protection area. The magnetic adsorption pieces are arranged on the inner sides of the two protection plates in pairs, and the surface area of each magnetic adsorption piece is at least one third of the surface area of the inner side of each protection plate. The protective structure of the main body is constructed by arranging the protective plates; furthermore, the magnetic adsorption part is used for adsorbing the iron chips in a large area, and the problems that the iron chips splash and are difficult to clean are effectively solved.

The invention discloses a horizontal slotting broaching machine for a large workpiece, which belongs to the technical field of broaching machines, and is characterized by comprising a base, a clamp arranged on the base and used for clamping the workpiece, a broaching tool apron arranged on the base in a sliding manner, a tool connected to the broaching tool apron, a fixed seat arranged on the base in a sliding manner, and a tool bar connected to the fixed seat, a supporting inclined block is arranged on the tool bar in a sliding mode and used for supporting a tool bit of the tool, the tool, the tool bar and the supporting inclined block all stretch into a workpiece, a first driving piece used for driving the broaching tool base to slide in the horizontal direction is arranged on the base, and a second driving piece used for driving the supporting inclined block to slide in the horizontal direction is arranged on the broaching tool base. When the second driving part drives the supporting inclined block to slide, the supporting inclined block can support the tool bit of the tool to move upwards in the vertical direction, the workpiece is clamped and placed in a horizontal posture when the broaching machine is used for machining, and therefore feeding, clamping and positioning of the large workpiece are more convenient and faster, and machining of the large workpiece is safer and more stable.

The invention discloses a vertical grooving machine, which belongs to the technical field of broaching machine equipment, and adopts the technical scheme that the vertical grooving machine comprises a rack, a clamp, a slide carriage, a broaching tool, a feeding mechanism and a retracting mechanism, a workbench is arranged at the top of the rack, a guide rod with a sliding chute is arranged on the workbench, and an avoiding hole for the broaching tool to penetrate through is formed in the workbench; the clamp is arranged on the workbench and used for limiting a workpiece, the slide carriage is connected to the rack in a sliding mode, and a broaching driving piece for driving the slide carriage to slide is arranged on the rack; the broach comprises a rotating seat, a cutter bar and a cutter, the rotating seat is rotationally connected to a rotating shaft arranged on the slide carriage, the lower end of the cutter bar is connected with the rotating seat, the upper end of the cutter bar is located in the sliding groove and abuts against the cutter feeding mechanism, and the cutter is installed at the upper end of the cutter bar; the feeding mechanism and the retracting mechanism are arranged on the slide carriage in a spaced mode, the feeding mechanism can push the cutter bar to the workpiece, and the retracting mechanism pushes the cutter bar to be away from the workpiece. The machine tool is small in overall size, needs fewer parts, and can be effectively matched with key groove machining of small workpieces.

The utility model relates to the technical field of gear broaching machines, in particular to a gear broaching machine for roller production, which comprises a machine body. The damping mechanism comprises a mounting plate, and the mounting plate is arranged on the lower surface of the machine body; and the cleaning mechanism comprises a water scraping plate and a sliding groove, and the water scraping plate is arranged on the surface of the observation window. Through the fixed connection of the mounting plate and the elastic metal plate, the fixed connection of the mounting plate and the damping spring, the fixed connection of the damping spring and the base, the fixed connection of the base and the stabilizer bar, the sleeved connection of the stabilizer bar and the lantern ring, and the fixed connection of the lantern ring and the first connecting rod, when a machine body vibrates, the mounting plate can be stressed; the mounting plate compresses the elastic metal plate and the damping spring, and the elastic metal plate and the damping spring can rebound to generate opposite acting force, so that the buffering effect is generated, the damping effect on the fuselage is achieved, the stability of the fuselage is improved, damage caused by vibration of the fuselage to the fuselage is reduced, and noise generated by vibration of the fuselage is weakened.

The invention relates to the technical field of lock ring machining, in particular to a sawtooth-shaped lock ring machining device which comprises an upper tool, a lower tool, a lower tool, a lower tool, a lower tool and a clamping device. The lower tool comprises a limiting section and a positioning section fixed to the lower portion of the limiting section, the limiting section is provided with a containing groove used for containing the lock ring, the groove bottom of the containing groove is provided with a through hole vertically and downwards penetrating through the limiting section and the positioning section, and the through hole is located under the mounting hole; the fixing seat is used for fixing the position of the lower tool; the internal tooth broach comprises a cutting part and a cylindrical rod body, and the cutting part is arranged in the middle section of the rod body. According to the scheme, the problem that when sawteeth on the inner side of the sawtooth locking ring are machined at present, an inner tooth broach is likely to be broken due to inclination of the inner tooth broach is solved.

The present invention belongs to the technical field of reactor processing, and in particular discloses a hole-drawing device for a small reactor cylinder, comprising a damping plate, a reactor cylinder, a hole-drawing device, a hole-drawing knife and a restraining chuck, wherein a plurality of docking holes are provided on the outer surface of the reactor cylinder; the present invention, by providing a distribution component, a movable component and an adjustment component, is helpful for accurately positioning the hole-drawing parts distributed in a spiral shape during the process of drawing holes in the docking holes on the outer surface of the reactor cylinder, the distribution component can be used to intermittently adjust the angle of the reactor cylinder, the movable component can be used to drive the hole-drawing device to draw holes after the distribution component has adjusted the angle of the reactor cylinder, and when the movable component drives the hole-drawing device to move up and down, each reciprocating movement will trigger the adjustment component to change the position of the hole-drawing device, and the coordination with the distribution component can accurately draw holes one by one in the docking holes distributed in a spiral shape on the outer surface of the reactor cylinder.

The utility model discloses a precise efficient broaching machine relates to armature processing technical field, including main machine body and slotting subassembly, main machine body left side is provided with control panel, and main machine body upper end middle part is provided with bearing frame, and the bearing frame upper end is provided with mounting vertical rod, and the main machine body upper end is provided with slotting subassembly, the grooving assembly comprises a hydraulic cylinder, a broach tool, fixing blocks, mounting blocks, mounting through grooves, a groove broach, mounting through holes, fastening bolts and a chamfering broach, the broach tool is mounted at the front end of the hydraulic cylinder, the fixing blocks are arranged on the two sides of the broach tool, the mounting blocks are arranged at the front ends of the fixing blocks, and meanwhile the mounting through grooves are formed in the two sides of the outer portion of each mounting block. According to the precise and efficient broaching machine, through the arrangement of the grooving assembly, the problem that most precise and efficient broaching machines do not have the one-time grooving use function, and consequently armature production cannot meet existing requirements is solved, and the overall production efficiency of the precise and efficient broaching machine is conveniently improved.

The present application relates to the technical field of machining, in particular to a supercharger spindle mortise broaching tool and its assembly and detection method, the supercharger spindle mortise broaching tool comprises a positioning body, two hanging ring screws, a bushing, a plurality of first screws, a second positioning pin, a broach guide body, a plurality of third washers, a plurality of sixth screws, two third positioning pins, a bottom guide plate, a plurality of fourth screws, two side guide plates, a plurality of eighth screws, a right upper pressing plate, a left upper pressing plate, a plurality of third screws, a bottom plate, a plurality of seventh screws, a plurality of fourth positioning pins, a positioning ring, a plurality of fifth screws, four sleeve rings, four second washers, four screw rods, four springs, four pressing plates, four first washers, four hexagonal nuts, a protractor disc, a positioning disc, a second screw, a first positioning pin, a spindle, a tension nut, a positioning bolt and a positioning bushing; the present application provides a spindle mortise broaching tool, which can assist in the mortise processing of the spindle.

The present application relates to broaching technology field, specifically disclose a large turbine disk mortise broaching machine main transmission device, including the casing, the top of the casing is hinged with machine cover, the surface of the machine cover is provided with a notch, the both sides of the casing are provided with a strip-shaped mouth, the inner bottom wall of the casing is fixedly installed with the coaming, the inner side of the coaming is fixedly installed with the shell, the large turbine disk mortise broaching machine main transmission device, the displacement driving motor drives the rotation of the lead screw, the lead screw drives two lead screw sleeves to be synchronized to approach, the rack assembly, the driving assembly and the cleaning assembly will be folded by sliding sleeve on the slide bar, until the toothless end of the broach side surface is attached to the outside of the turbine disk, then the main transmission motor drives the driving helical gear to rotate, the driving helical gear drives the rack shell, the slide bar and the broach to slide in the guide rail shell, the side surface of the broach contacts the outside of the turbine disk to realize the broaching, so as to conveniently cut the purpose of the outer surface of the turbine disk.

The present invention discloses a tool lifting and feeding device for a long-stroke broaching machine, comprising: an auxiliary slide, located on the upper side of a main slide, for clamping the top of a broaching tool; a first mounting seat, located on the upper side of the auxiliary slide, provided with a tool lifting and feeding cylinder, the output end of which is connected to the auxiliary slide for driving the auxiliary slide to rise and fall; a second mounting seat, located on the upper side of the first mounting seat, provided with a tool adjustment mechanism for driving the first mounting seat to rise and fall, the tool adjustment mechanism comprising a driving member, a trapezoidal screw driven to rotate by the driving member, and a nut sleeve threadedly engaged with the trapezoidal screw, the nut sleeve being mounted on the first mounting seat; an adjustment cylinder, provided on the main slide, the output end of which is connected to the second mounting seat for driving the second mounting seat to rise and fall. The tool lifting and feeding device for a long-stroke broaching machine of the present invention can meet the adjustment requirements of tools with a wide range of lengths and has high safety.

The present invention relates to an automatic replacement device and an automatic replacement method for a broach chuck body. The locking device of the broach chuck body comprises: a fixed seat having a convex column portion; at least one locking block, which is consistent with the number of through holes and is movably arranged in the through hole along the radial direction of the convex column portion; a locking sleeve, which is movably sleeved outside the convex column portion of the fixed seat and has a locking state of acting inwardly on the locking block to press the broach chuck body, and an unlocking state of releasing the locking block to release the compression of the broach chuck body; an elastic member, which acts on the locking block, so that the locking block always has a tendency to move outward along the length direction of the through hole. The locking device makes the installation and disassembly operations of the broach chuck body more convenient, and effectively improves the replacement efficiency. It also relates to an automatic replacement device and an automatic replacement method for a broach chuck body using the locking device.

The present invention discloses an upper centering fixture for internal spline single-tooth broaching, a broaching system and a design method thereof. The upper centering fixture for internal spline single-tooth broaching of the present invention includes an upper centering body and a flat key. The upper centering body is a two-stage stepped shaft with a larger upper diameter and a smaller lower diameter, and a guide rod through hole is axially provided thereon; the outer circle of its small-diameter section is a stop cylindrical surface and is matched with the inner hole of the upper part of the workpiece, and the lower plane of its large-diameter section is a stop step plane and presses on the upper plane of the workpiece; the diameter of the stop cylindrical surface is D1 and the center is point O, the diameter of the guide rod through hole is d1 and the center is point O′. A flat key installation groove is machined at one end of the guide rod through hole along OO′, and a guide rail groove is machined at the other end. The guide rod through hole, the flat key installation groove and the guide rail groove are all axisymmetric figures, and the axis of symmetry is the straight line OO′. The flat key is arranged in the flat key installation groove. The horizontal distance between point O and point O′ is the upper centering eccentricity e, and its value range is 0.5D - (c + n + m - p) ≤ e ≤ 0.5d - (c + n + q + k). The present invention realizes broaching processing throughout the whole process of roughing and finishing, and improves work efficiency.

The present invention provides an automatic alignment broaching machine tool, comprising a connecting plate, a spherical movable support, and a fixed plate. One end of the connecting plate is connected and installed with the broaching machine, a spherical groove is arranged in the middle of one end, and the fixed plate is fixedly connected to the outside. One end of the spherical movable support is provided with a spherical portion that slides with the spherical groove, and one end is provided with an L-shaped ring groove for installing a gear. A U-shaped ring groove is arranged in the middle of the spherical support, and one end of the fixed plate close to the spherical movable support is arranged in the groove. The connecting plate and the spherical movable support are provided with through and equal-sized broaching holes. The connecting plate and the spherical movable support described in the present invention are in contact through the spherical surface, and relative sliding can occur. In the process of broaching the key groove, the end face of the spherical movable support and the end face of the workpiece are always kept perpendicular to the broach. After the key groove is completed, the symmetry and appearance of the key groove are good.

The utility model discloses a blowing cleaning structure for a broaching machine, and belongs to the field of broaching machine cleaning. Comprising a broaching machine, a broaching tool, a connecting pipe, an air blowing piece and a pump body piece. A guide groove for placing the broach and a placing area for placing a workpiece are formed in the broaching machine; the broach forms cutting parts for cutting a workpiece, and a groove is formed between the two cutting parts; the blowing part is used for blowing and cleaning the guide groove and the groove; the pump body part is connected with the air blowing part through the connecting pipe, and the pump body part is used for enabling air to pass through the connecting pipe and be discharged from the air blowing part. The broaching machine has the beneficial effects that the air blowing part can clean the broaching tool groove and the guide groove, chippings are prevented from influencing placement of the broaching tool and fixing of the broaching machine to the broaching tool, the chippings are prevented from scratching a workpiece, the time for cleaning the chippings by the air blowing part is short, and the machining efficiency of the workpiece can be improved.

An automatic groove broaching device for tool pliers comprises tooth groove cutting dies which are linearly and fixedly arranged, the tooth groove cutting dies comprise a fixed tooth cutting die, a single variable cutting die and a double variable cutting die, the single variable cutting die is arranged at the lower end of the fixed tooth cutting die, the double variable cutting die is arranged at the lower end of the single variable cutting die, and the shape of the cross section of the fixed tooth cutting die is kept constant; the height of the cross section of the single variable cutting die is constant, the width of the cross section is gradually reduced in the length direction, the height and the width of the cross section of the double variable cutting die are gradually reduced in the length direction, and oil nozzles are arranged in the tooth groove cutting die at intervals. The cross section of the tooth groove cutting die is designed to be gradually changed, cutting resistance can be reduced and cutting scrap iron can be reduced by gradually increasing the feeding amount when a jaw is cut through groove broaching, and the oil spray nozzle can coat lubricating oil on the tooth face of the jaw in the groove broaching operation process, improve groove broaching smoothness and solve the problems that the tooth face is rough, passivated and the like.

The invention relates to the technical field of broaching machines, and discloses a double-lead-screw small broaching machine which comprises a machine tool base, a control cabinet and a machine frame, a broach pushing seat is further installed in the machine frame, the control cabinet and the machine frame are both fixedly installed on the machine tool base, and the interior of the machine frame is composed of a reinforcing structure; a broaching tool clamping set is installed at the bottom of the machine frame, two symmetrically-arranged lead screws are further rotationally installed in the machine frame, broaching bases are movably installed on the lead screws, and the operation track of the broaching bases is from bottom to top. According to the broaching machine, the cutting process is completed by moving the workpiece, and compared with an existing broaching machine moving broaching tool, the operation distance of the broaching machine is greatly shortened (due to the fact that the broaching tool has the length when moving, the length of the broaching tool needs to be added to the moving stroke of the broaching tool), at the moment, the overall height of the broaching machine can be greatly reduced, and therefore the occupied space of the broaching machine is saved.

The application relates to the field of metal cutting, in particular to a broaching machine and a broaching method thereof. The broaching machine comprises outer surface broaches, the outer surface broaches are provided with a plurality of outer surface broaching teeth, the right part of the lower side of the outer surface broach is uniformly provided with a plurality of broaching teeth, the heights of the plurality of broaching teeth increase from left to right in sequence, the left part of the outer surface broach is provided with a plug hole, the plurality of outer surface broaches are arranged in front and back sticking mode, and a plug rod simultaneously penetrates through the plurality of plug holes. The broaching machine further comprises a door-shaped piece, the door-shaped piece is provided with a limiting groove, the left end of the plurality of outer surface broaches is inserted into the limiting groove, the front and back two ends of the plug rod are respectively inserted into the front and back two sides of the door-shaped piece, and the front and back two ends of the plug rod are all screw-connected with blocking heads. The width of the broach can be adjusted.

The numerical control broaching machine tailstock positioning mechanism comprises a tailstock body, a positioning and mounting structure and a moving guide rail, locking plates are arranged on the two sides of a positioning table of the moving guide rail, a moving assembly matched with an auxiliary groove and a positioning plate are arranged at the bottom of the tailstock body, and the positioning and mounting structure is mounted on a tailstock side plate; dual fixation of preliminary positioning and deep locking is adopted, a positioning column with a positioning block is screwed into a positioning groove of a positioning plate, and preliminary limiting is achieved through resilience force of a spring; a locking column is pressed and rotated, so that a locking block is embedded into a locking groove of a locking plate, a compression spring is deeply locked through resilience force, transverse and longitudinal displacement of the tailstock can be limited, and machining precision is guaranteed; moving wheels of a moving assembly slide on the arc-shaped inner wall of an auxiliary groove, a roller assembly on the top of a locking plate makes contact with the bottom of the tailstock, the moving resistance is greatly reduced through the double rolling friction design, and operation convenience is improved. The limiting ring and the baffle prevent components from falling off, the spring buffers collision and reduces abrasion, and the service life of the mechanism is prolonged.

The protective cover for the bearing bush broaching machine comprises a protective cover body, the protective cover body comprises a frame, a first door frame and a second door frame are arranged on the frame, a vertical hinged door is arranged on the first door frame in a hinged mode, and a sliding door is arranged on the second door frame in a sliding mode. The frame is further provided with a feeding window and a discharging window, the feeding window is used for arranging a feeding conveying belt in a penetrating mode, and the discharging window is used for arranging a discharging conveying belt in a penetrating mode. And the safety interlocking structure comprises magnetic sensors and magnetic triggers, the magnetic sensors are arranged on each first door frame and each second door frame, and the magnetic triggers are arranged on each side hung door and each sliding door. The bearing bush broaching machine solves the problems that in the prior art, a bearing bush broaching machine does not have protection measures in the machining process, safety risks are easily caused to workers, and machined scrap iron splashes everywhere.

The utility model relates to key groove depth-adjustable key broaching equipment which comprises a broaching machine, a touch screen, a controller and a linear displacement sensor, and a workpiece clamping device, a broach and a first oil cylinder are arranged on the broaching machine; a workpiece is mounted on the workpiece clamping device; the broach is located in a machining area of the machine tool, installed in the axial direction of a workpiece and located on the side, close to the ground, of a to-be-machined part of the workpiece. The linear displacement sensor is installed on the first oil cylinder, and the touch screen is installed on the broaching machine. Compared with the prior art, the stroke of the broach is detected through the linear displacement sensor, the depth of the key groove is determined by the stroke of the broach, and the depth of the key groove is controllable; the linear displacement sensor does not influence the operation of the broach, and can realize the adjustment of the depth of key grooves on a shaft and in a hole; the workpiece detection sensor can detect whether the workpiece is installed in place or not in real time; and the proximity switch can be switched on and off when the workpiece clamping device moves, so that positioning of the workpiece and the broach during machining is realized, and the like.

The utility model discloses a simple tool for improving the machining location degree of a broaching machine, which comprises an upper pull-up broaching machine loading disc, an upper pull-up broaching machine sliding copper disc and a lower pull-up broaching machine loading disc which are sequentially arranged from top to bottom, the middle parts of the pull-up broaching machine upper loading disc, the pull-up broaching machine sliding copper disc and the pull-up broaching machine lower loading disc are matched for moving and limiting through flat key pins, and a stainless steel sleeve is arranged outside the middle connecting part; and three limiting blocks are arranged at the top of the upper loading disc of the pull-up broaching machine. The device is simple in structure and convenient to use; through combined use and cooperation of the three carrying discs and the three limiting blocks, it is guaranteed that a machined workpiece is fixed to the centers of the carrying discs, the machining position is guaranteed by moving the carrying discs, and the machining position degree of the broaching machine is improved.

The invention relates to the technical field of rotating shaft production, in particular to broach forming type rotating shaft production equipment which comprises a base, a guide groove is formed in the middle of the rear end of the upper surface of the base in a penetrating mode, a guide screw is movably installed in the middle of the front end of the inner surface of the guide groove through a bearing, and the other end of the guide screw penetrates through the middle of the rear end of the guide groove and extends outwards. A first motor is fixedly installed at the rear end of the base, the output end of the first motor is fixedly connected with the end, extending outwards, of the guide screw rod, the outer surface of the guide screw rod is spirally sleeved with a workbench, fixing frames are fixedly installed in the middles of the two ends of the upper surface of the workbench, and adjusting screw rods are spirally installed in the middles of the upper surfaces of the fixing frames in a penetrating and inserting mode; locking rings are movably installed at the output ends of the adjusting screw rods through bearings, and a rotating shaft body is jointly clamped and fixedly installed on the inner surfaces of the locking rings. The manufacturing difficulty and cost of the broach needed for machining the rotating shaft are reduced, and meanwhile the precision of forming and hole cutting of the rotating shaft through the broach is improved.

The utility model belongs to the technical field of refrigerator handle tube machining, and discloses a refrigerator handle tube straight grain garland device which comprises a workbench, a hydraulic cylinder is installed on the top of the workbench, a piston rod of the hydraulic cylinder is connected with a movable seat, an ejector rod is installed on the side, away from the hydraulic cylinder, of the movable seat, and a fixed seat is fixed to the top of the workbench. The position of the fixed seat corresponds to the position of the movable seat, a straight-line garland mold is installed on the fixed seat, the position of the straight-line garland mold corresponds to the position of the ejector rod, guide holes are symmetrically formed in the movable seat, guide rods are arranged in the guide holes, the ends of the guide rods are fixedly connected with the fixed seat, and the fixed seat is fixedly connected with the straight-line garland mold. The hydraulic cylinder is used for pushing the short pipe to penetrate through the straight-line garland die, straight-line garland can be conducted on the short pipe, large equipment and sites are not needed, end breaking and tail breaking are not needed, and waste of raw materials is avoided.

The utility model relates to the technical field of ship bearing bush machining, and particularly discloses a ship bearing bush counterpart plane broaching device which comprises a base, a supporting frame installed on the upper end face of the base, a telescopic assembly arranged at the upper end of the supporting frame and used for conducting telescopic pressing on a workpiece, a shell fixedly installed on the base, and a sliding groove opening formed in the upper end of the shell. A fixing seat is arranged on the upper end face of the shell, an inner ejector block is installed at the upper end of the fixing seat, a friction block is arranged on the surface of the inner ejector block, a driving assembly for providing power drive is arranged at the lower end of the shell, a sliding assembly is arranged on the driving assembly, and a meshing assembly is installed at the upper position in the shell. The driving assembly is arranged to provide power to drive the sliding assembly to move so as to drive the meshing assembly to realize bidirectional reciprocating motion, so that the counterpart plane of the workpiece is subjected to bidirectional reciprocating broaching after the workpiece is fixed, and the broaching stability is improved through the bidirectional acting force of the meshing assembly; the problem that the precision of a workpiece is affected due to the fact that the workpiece is prone to displacement in the broaching process is solved.

To suppress adhesion of a coolant to a workpiece and scattering of the coolant in a process machine, and reduce cost for the coolant while facilitating cleaning work.SOLUTION: A broach machine 100 for cutting the inner surface 104a of a workpiece 104 by a broach cutter 102 having multiple cutting edges 102a in the outer periphery comprises: a reference metal 110 on which the workpiece 104 is placed and into which the broach cutter 102 is inserted; a funnel 120 which is placed on the workpiece 104 placed on the reference metal 110 and which stores a coolant 10; and a lift device 130 that lifts the funnel 120 with respect to the workpiece 104. The funnel 120 opens at an upper part and is disposed coaxially with the workpiece 104. The broach cutter 102 simultaneously penetrates the workpiece 104, the funnel 120, and the reference metal 110, and machines the inner surface of the workpiece.SELECTED DRAWING: Figure 1