116 results about "Headframe" patented technology

The invention discloses a lead screw nut internal thread grinding machine which comprises a machine body, a fixed workbench is arranged on the front side of the machine body, a headstock is fixedly installed on the left side of the workbench, a movable center frame is arranged on the right side of the workbench, and a chuck used for clamping a workpiece is installed at one end of the headstock; a movable double-coordinate workbench is arranged on the rear side of the machine tool body, a movable grinding wheel frame is installed on one side of the double-coordinate workbench, a grinding wheel dresser is installed on the other side of the double-coordinate workbench, a telescopic rotating grinding wheel grinding device is installed at the front end of the grinding wheel frame, and a grinding wheel transmission device is connected to the grinding wheel grinding device. The machine tool body is of a rectangular structure and is of a grinding carriage moving type structure, and compared with a traditional workbench moving type T-shaped structure machine tool, the machine tool has the advantages of being high in structural rigidity, high in dynamic response speed, good in heat stability, high in machining precision, small in occupied area and the like.

The utility model relates to the technical field of bending machines, in particular to copper-clad steel bending equipment which comprises a rack, a rotary driving assembly, a sliding frame, a lifting driving assembly and an angle measuring assembly. A headstock is arranged on the machine frame and coaxially connected with a rotating shaft, and the rotating shaft is connected with a connecting rod which is rotationally connected with a supporting roller. The rotary driving assembly is connected with the headstock and the rotating shaft, so that the supporting point of the supporting roller and the supporting point of the headstock are kept at the same height through the rotary driving assembly when the equipment is vacant; the sliding frame is located above the head frame and is in sliding connection with the rack, and two pushing heads rotationally connected with the sliding frame are symmetrically arranged on the sliding frame; the lifting driving assembly is connected with the rack and drives the sliding frame to ascend and descend. The angle measuring assembly comprises an angle sensor, and a sliding sheet of the angle sensor is driven to slide through a connecting rod, so that the bending angle of the copper-clad steel is automatically measured. The copper-clad steel bending machine automatically bends copper-clad steel to a set angle, can be suitable for bending various types of materials, and is simple in structure and convenient to operate.

The utility model discloses a double-station vertical cylindrical grinding machine which comprises a machine body and a stand column vertically arranged on the machine body. A vertical grinding wheel assembly is arranged in the middle of the machine body, two sides of the grinding wheel assembly are respectively provided with a group of feeding mechanisms, each feeding mechanism comprises an X-axis carriage and a Z-axis carriage which are vertically arranged, the X-axis carriages are slidably mounted on the stand columns through horizontal guide rail mechanisms, and first linear driving mechanisms are arranged between the X-axis carriages and the stand columns; the Z-axis carriage is slidably mounted on the X-axis carriage through a vertical guide rail mechanism, and a second linear driving mechanism is arranged between the Z-axis carriage and the X-axis carriage; a headstock assembly and a tailstock assembly which are used for clamping a workpiece are vertically arranged on the Z-axis carriage in a manner of facing each other; a grinding wheel capable of rotating horizontally is arranged at the upper end of the grinding wheel assembly, and the two sides of the grinding wheel protrude relative to the grinding wheel assembly towards the corresponding feeding mechanisms. The grinding tool has the advantages of being reasonable in structural design, capable of improving machining efficiency, beneficial to improving grinding precision and the like.

The utility model discloses a workpiece headstock rotary plate pressing device which comprises a base, a rotary table, an angle turning oil cylinder and a pressing plate assembly, and the rotary table is rotationally connected to the upper surface of the base; the driving end of the angle turning oil cylinder is connected to the rotary table; the pressing plate assembly is arranged on the upper surface of the base; the pressing end of the pressing plate assembly is arranged above the rotary table. The pressing plate assembly is configured to press the rotary table on the base; the angle turning oil cylinder is configured to drive the rotary table to rotate on the base; the upper surface of the rotary table is pressed through the pressing plate assembly, the pressing plate assembly and the base jointly act to clamp the rotary table, and therefore a workpiece on the rotary table is fixed. Compared with a traditional oil cylinder or oil cylinder and disc spring combined mode and a scheme of using the pressing diaphragm for pressing, the hydraulic pressure type rotary table pressing device has the advantages that the structure is simpler, the occupied space is smaller, and the hydraulic pressure type rotary table pressing device is suitable for being applied to a working environment with a narrow space.

The present invention discloses a magnetically assembled golf club bag head frame including a head frame body and a top annular piece. A clamping groove is provided on a side wall of the head frame body. A clamping joint is provided on a side wall of the top annular piece. The clamping groove is provided with a magnet groove in which a first magnet is provided. The clamping joint is provided with a magnet groove in which a second magnet is provided. During transportation, the golf club bag is a semi-finished product, a bag body is connected to the top annular piece, and the top annular piece and the head frame body are in a separated state.

This utility model provides a headstock for an external cylindrical grinding machine, including a housing and a top cover, with cavities inside the housing and top cover. A second through hole and a first through hole are transversely arranged on the housing, penetrating the cavity. A headstock spindle, rotatably connected, passes through the second and first through holes, with the head of the headstock spindle positioned near the first through hole. A front bearing sleeve is installed in the first through hole, and a No. 1 bearing is installed between the front bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 1 bearing. A rear bearing sleeve is installed in the second through hole, and a No. 2 bearing is installed between the rear bearing sleeve and the headstock spindle. The headstock spindle is interference-fitted and fixedly installed in the inner ring of the No. 2 bearing. This design can increase the axial force on small workpieces by several times, enabling the clamping and smooth rotation of large workpieces.

An auxiliary head frame used in cooperation with a try-on frame comprises a frame body and a head band which are used for cooperating with each other to form an annular structure so that the auxiliary head frame can be conveniently worn on the head of a human body, inserting grooves used for being matched with the two ends of the head band are formed in the two sides of the frame body, and adjusting holes are further formed in the positions, at the inserting grooves, of the frame body. Adjusting gears are embedded in the adjusting holes, strip-shaped holes are formed in the two sides of the head band, and adjusting teeth used for being matched with the adjusting gears to adjust the tightness of the head band are arranged on the inner hole walls of the strip-shaped holes. An open hole is further formed in the middle of the frame body, a rack which is vertically arranged is inserted into the open hole, a hook which is used for supporting and matching the trial frame is hinged to the bottom of the rack, and a pinion which is used for being matched with the rack to adjust the height of the hook is installed on the frame body at the open hole. Part of weight of the try-on frame is transferred to the head, so that pressure of the lenses and the try-on frame on the patient during fitting can be reduced, and discomfort of the patient during try-on is reduced.

This invention discloses a mop head locking and unlocking structure, including a mop head frame, a locking and unlocking plate, a wringing roller, and a drive frame. The drive frame is movably connected to the mop head frame, with the end of the drive frame near the wringing roller serving as the wringing end, forming a wringing gap between the wringing end and the wringing roller. The locking and unlocking plate is slidably mounted on the mop head frame and driven by the drive frame. The mop head frame has an inner sliding groove, and the locking and unlocking plate has an outer sliding groove. After assembly, the inner and outer sliding grooves at least partially overlap, and the wringing roller slides within the inner and outer sliding grooves. The outer sliding groove includes a locking groove, which restricts the sliding of the wringing roller in the wringing direction when it is located within the locking groove. This invention achieves automatic unlocking of the wringing roller when the mop head is pulled upwards, preventing the mop bucket from being pulled upwards. Users only need to press down to wring water and pull upwards normally, without any other unnecessary usage restrictions, greatly improving the user experience of the mop bucket.

The utility model belongs to the technical field of forklift assembly, and particularly discloses a front axle plate front end positioning inner supporting mechanism which comprises a clamping device, the clamping device comprises a set of positioning headstock used for clamping the front end of a left front axle plate and the front end of a right front axle plate, the inner supporting mechanism further comprises an inner supporting device, and the inner supporting device comprises a connecting support fixedly connected with the clamping device. An inner supporting lead screw is rotationally connected into the connecting support, inner supporting pieces are in threaded connection with the two ends of the inner supporting lead screw respectively, the inner supporting lead screw is rotated to enable the two inner supporting pieces to move face to face or back to back, and the inner supporting pieces located at the same end and the positioning head frame conduct inner and outer clamping positioning on the front end of a front axle plate together. The positioning headstock on the clamping device is located on the outer sides of the front ends of the left front axle plate and the right front axle plate for clamping, and the inner supporting piece of the inner supporting device is located on the inner sides of the front ends of the left front axle plate and the right front axle plate, so that the outer side and the inner side of the front axle plate are clamped and positioned at the same time, deformation of the front axle plate during welding is prevented, correction after welding is avoided, and labor intensity is reduced.

The utility model provides a headstock with an angle capable of being finely adjusted, and belongs to the field of machine tool accessories. The problem that angle adjustment of an existing headstock is time-consuming and labor-consuming is solved. The headstock capable of finely adjusting the angle comprises a headstock base body, a base and an angle adjusting mechanism, a positioning locking mechanism is arranged on the base, the angle adjusting mechanism comprises a positioning table, an adjusting assembly and a fine adjusting assembly, the headstock base is movably installed on the positioning table, the central axis of the headstock base body coincides with the central axis of the positioning table, and a scale sheet is arranged on the outer edge of the positioning table. The adjusting assembly comprises an adjusting fixing part, an elastic part and an open groove, a movable cavity is formed in the side edge of the headstock base body and communicated with the open groove, the cross section of the adjusting fixing part is of a T-shaped structure, one end of the adjusting fixing part is movably installed in the movable cavity, and the other end of the adjusting fixing part penetrates through the open groove to be matched with the fine adjusting assembly. The fine adjustment assembly comprises an adjustment side block, two positioning blocks and an adjustment screw. The angle adjusting device has the advantage of being accurate in angle adjustment.

The utility model discloses a headstock suitable for a belt conveyor with a limited length of a roadway, which is positioned in the roadway with the limited length and can realize coal unloading under the condition that an unloading arm is not arranged. The machine head frame comprises a heightening frame, a machine head left vertical plate, a machine head right vertical plate, a driving roller and a turnabout roller. The mounting position of the turnabout drum is close to the driving drum and lower than that of the driving drum, and the turnabout drum is used for upwards changing the wrap angle of the belt; wherein the heightening frame is used for raising the horizontal position of the driving roller, so that a coal unloading point of the driving roller is overlapped with a coal falling point of a belt conveyor of a next roadway; according to the utility model, the unloading arm is completely removed, so that the length of the roadway is matched with the conveying length of the belt conveyor, and the unloading point of the whole device is lifted by using the heightening frame, so that the unloading point of the whole device is overlapped with the coal falling point of the next roadway, and the high-position coal unloading is realized.

The application relates to the field of half shaft machining, in particular to an automobile half shaft grinding device which comprises a track assembly and a grinding assembly, a fixed headstock and a left and right sliding tailstock are arranged on the track assembly, a center mechanism for aligning and locking the end of the half shaft is arranged on the headstock and the tailstock, an auxiliary mechanism for supporting the area of the half shaft after polishing is further arranged on the track assembly, the positioning center, the limiting center and the abutting disc are arranged in a mutually nested sliding mode, the half shaft is sequentially positioned and limited, so that the double functions of high-precision positioning and bearing grinding load which are simultaneously borne by the traditional center are separated, meanwhile, the axial thrust and the radial load generated in the grinding process are borne by the abutting disc and the limiting center; the V-shaped block is further matched to support the area of the half shaft after grinding with high precision, so that stable positioning in the whole grinding process of the half shaft is realized, and long-time high-precision grinding operation can be carried out.

The application relates to a smart tailstock, and relates to the technical field of mechanical manufacturing. The smart tailstock comprises a workpiece top-holding mechanism, a servo hydraulic driving mechanism, a sleeve position detection mechanism and a sleeve limiting mechanism. The workpiece top-holding mechanism is arranged in the tailstock body shell and is used for top-holding a workpiece hung between a headstock and the tailstock. The servo hydraulic driving mechanism is arranged in the tailstock body shell and is used for driving a top pin to apply a top-holding force to the workpiece. The sleeve position detection mechanism is arranged behind the tailstock body shell and is used for detecting the position of a sleeve. The sleeve limiting mechanism is arranged behind the tailstock body shell and is arranged in parallel with the sleeve position detection mechanism and is used for setting a sleeve moving limiting distance. The application aims to provide a smart tailstock with high automation degree and capable of monitoring and controlling a top-holding force during grinding of workpieces with different sizes and weight specifications.

The utility model discloses a multifunctional welding positioner which comprises a base, a headstock positioner is arranged on one side of the base, a rail is arranged on the other side of the base, a tailstock positioner is arranged on the rail in a sliding mode, the tailstock positioner and the headstock positioner are symmetrically arranged on the same axis, and clamping assemblies are rotationally installed on the tailstock positioner and the headstock positioner. The clamping assembly can also vertically move on the headstock positioner and the tailstock positioner. The servo motor drives the lead screw to move up and down and drives the slewing bearing to turn over and rotate, so that the position and the angle of a workpiece can be quickly and accurately adjusted, and the welding work is more efficient and convenient. The motor and the rail are adopted for moving back and forth, the hydraulic system is adopted for hydraulic clamping and loosening of the headstock and the tailstock, and operation is simpler and more convenient. And meanwhile, the fixing and aligning precision of the position of the tailstock is further improved by using the positioning pin, so that the whole welding process is more stable and reliable.

The utility model discloses a grinding wheel correction device for application in cylindrical grinding machine relates to cylindrical grinding machine technical field, including the body, the top fixedly connected with workstation of body, the workstation top fixedly connected with guide rail, the outer surface sliding connection of guide rail has headstock, the outer surface sliding connection of one end of guide rail away from headstock has tailstock, and the outer surface of one side close to headstock of tailstock is installed with correction mechanism. The utility model discloses through the pressure ring and the boss, fixes the grinding wheel disc between the cover shell and the baffle, and the positioning column can greatly reduce the time needed to center during installation, can also reduce eccentric situation, guarantees the machining accuracy, and the extrusion elastic ring, the buffer ring and the cushion block can all produce deformation when installing the grinding wheel disc, to reduce the gap on each structure connection, and the key groove on the transmission shaft can prevent the grinding wheel disc from slipping when rotating, so that the surface precision of workpiece is affected.

The application discloses a workpiece top holding force automatic adjustment method and relates to the technical field of mechanical manufacturing. L Data preparation: calculating the top holding force F L ; tailstock position adjustment: through the numerical control system, the servo motor is powered on to drive the tailstock to move forward to the target grinding station; feeding: through the mechanical arm, the workpiece to be processed is placed above the station; centering: through the servo hydraulic drive mechanism, the tailstock center is driven into the tailstock hole of the workpiece; grinding: the headstock drives the workpiece to grind through the workpiece automatic driving device, and the top holding force F L is adjusted according to different grinding positions of the workpiece; and discharging. The application can automatically adjust the top holding force of the workpiece and can adapt to different sizes and weight specifications and different machining precision requirements.

A lifting head assembly capable of adjusting the direction comprises a lifting head frame, the lifting head frame is in running fit with a bearing cross beam, the bearing cross beam is connected with a connecting plate, the connecting plate is in running fit with a pulley pin shaft, and the pulley pin shaft is in running fit with a pulley. The lifting head frame comprises an upper lifting rod, a lower U-shaped frame and an oil cylinder installation supporting sleeve, the top of the lower U-shaped frame is connected with the upper lifting rod, and the side portion of the lower U-shaped frame is connected with the oil cylinder installation supporting sleeve. Z-axis active angle adjustment is achieved through running fit of the lifting head frame and the bearing cross beam, multi-degree-of-freedom automatic centering is achieved in combination with guide fit of four-edge grooves of the lower U-shaped frame and four-edge bosses of the lifting lugs, and the lifting device adapts to complex working conditions such as inclined gate grooves.

The present invention discloses a buckle-assembled type golf club bag, including: a head frame, a chassis, a bag body that connects the head frame and the chassis, and a plurality of support rods located between the head frame and the chassis and configured to stretch the bag body, a top portion of the bag body is connected to a top ring member, a bottom portion of the bag body is connected to a bottom ring member, the top ring member is clamped to the head frame, and the bottom ring member is clamped to the chassis. During transportation, the golf club bag is a semi-finished product, and the bag body is connected to the top ring member and the bottom ring member, while the top ring member and the head frame, as well as the bottom ring member and the chassis, are separated.

The invention discloses a multifunctional automatic grinding device which comprises a main machine tool, and grinding assemblies arranged in pairs are arranged on the main machine tool. A headstock assembly is arranged on the side face of one grinding assembly, and a tailstock assembly is arranged on the side face of the other grinding assembly. The headstock assembly comprises a head tip and a first motor, and the first motor drives the head tip to rotate when working; a headstock shaft is fixedly mounted on the outer layer of the head tip; a multifunctional transmission assembly rotationally connected with the headstock shaft is arranged on the headstock shaft and comprises a second motor and a second gland, and the second gland is driven to rotate when the second motor works; the tailstock assembly comprises a tail tip, and the tail tip and the head tip are coaxially arranged. The headstock assembly has two rotating modes which can be used for machining a round workpiece and a special-shaped workpiece in a matched mode, and universality is good; when the distance is adjusted, only the tail tip moves axially, so that the head tip and the tail tip have better concentricity, and the machining precision is higher.

This utility model relates to the field of grinding machine technology and discloses a grinding machine for cover plate forming grinding. The machine includes a machine tool with two electrically driven translational slides fixedly mounted on it. A slide base is slidably connected to the first electrically driven translational slide. A mounting bracket and a slide rail are fixedly mounted at the end of the slide base away from the first electrically driven translational slide. A headstock and a limiting seat are fixedly mounted on the slide rail. An internal support fixture is fixedly mounted at the output end of the headstock. A roller motor is fixedly mounted on the limiting seat. A grinding wheel is fixedly mounted on the output shaft end of the roller motor. This grinding machine for cover plate forming grinding features a horizontal alignment design between the grinding wheel and the internal support fixture, ensuring the coaxiality of the cover plate workpiece during grinding. Furthermore, the T-shaped distribution of the first and second electrically driven translational slides forms an XY-axis linkage structure, enabling the grinding wheel to grind the three-dimensional contour of the cover plate edge, thus improving its practicality.

The utility model belongs to the technical field of welding machine manufacturing, and particularly relates to a welding machine tailstock convenient to move, which comprises a box seat, a center seat, a center and an advance and retreat adjusting mechanism, the box seat is movably connected with a track, the center seat is arranged at the top of the box seat, and the front end of the center seat is connected with the center. A fork head frame is arranged in the wheel seat, a spring is arranged between the top of the fork head frame and the T-shaped bolt, the bottom of the fork head frame is connected with the walking wheel through a wheel shaft, the two sides of the fork head frame are movably connected with a sliding groove in the inner side of the wheel seat, and a limiting table is arranged at the bottom of the sliding groove. The tailstock has the advantages that the wheel seat is additionally arranged on the basis of an existing tailstock, when the tailstock needs to move, only the clamping pressing plate needs to be separated from the track, the walking wheel rises under the action of the spring, the tailstock is separated from the track, at the moment, the tailstock can be manually pushed to move, the friction resistance of the walking wheel is very small, operation is convenient, and the working efficiency is improved. And the labor intensity is greatly reduced.

1. Name of the product in this design: Headframe. 2. Purpose of this design: As an auxiliary head frame for optometry trial fitting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model relates to the field of drawbridge technology, specifically a drawbridge with reduced friction, comprising: a headframe on which a drawbridge body is mounted; an installation groove is formed on the inner wall of the drawbridge body, a locking block is integrally formed on the inner wall of the installation groove, an installation strip is slidably mounted inside the installation groove, an arc groove is formed on the bottom surface of the installation strip, a locking groove is formed on the side wall of the installation strip, and installation holes are formed on the surface of the drawbridge body; a guide wheel structure is mounted on the drawbridge body, the guide wheel structure including bolts. This utility model reduces the weight of the guide wheel by creating slots inside the rotating shaft and the guide wheel disc, and further reduces the resistance of the guide wheel disc during rotation by rotatably connecting the rotating shaft to the fixed shaft via bearings. This allows the guide wheel disc to rotate quickly when the material is transmitted across its surface, reducing friction on the material and ensuring a better user experience.

The utility model relates to the field of experimental apparatuses, and particularly discloses a clamping mechanism and a TIP headstock quick dismounting and clamping device.The TIP headstock quick dismounting and clamping device comprises a frame base, a positioning mechanism, a clamping mechanism and a locking assembly, the frame base is used for bearing a TIP headstock, and the positioning mechanism is used for positioning the TIP headstock on the frame base; the clamping mechanism comprises at least two rotating pieces, and a protruding part is arranged on one side of each rotating piece. The rotating part is rotationally arranged on the frame base and is configured to rotate between a first position and a second position, when the rotating part is located at the first position, the protruding part abuts against the TIP head frame and is used for limiting the TIP head frame from moving upwards, and when the rotating part is located at the second position, the protruding part is far away from the TIP head frame and enables the TIP head frame to be unlocked; the locking assembly is used for locking the rotating piece at the first position. The TIP headstock can be rapidly positioned and fixed, the stability is good, and locking and unlocking operation is convenient and fast.

The present disclosure pertains to a headstock gear for a feed system of a shearer loader, comprising a plurality of teeth, each tooth having a tooth geometry. Accordingly, for each tooth, the tooth geometry consists of two symmetric S-shaped tooth profiles which are arranged line symmetrically regarding a radius line, as seen from a view along an axis of rotation. Furthermore, the present disclosure pertains to a system comprising a headstock gear and a gear rack comprising several gear rack segments which are arranged next to each other such that a track is provided. The gear rack comprises two different gear rack pitches. Moreover, the disclosure pertains to a method for dimensioning a tooth geometry of a headstock gear for a shearer loader, comprising a plurality of teeth, the method comprising the step of identifying all relevant engagement conditions during operation of the headstock gear together with the gear rack and selecting a tooth geometry on the basis of the identified relevant engagement conditions by minimizing a tooth root tension.

The invention relates to the technical field of thread machining, in particular to a planet lead screw high-precision numerical control thread grinding machine for driving joints of a humanoid robot, which comprises a machine frame, a control system is arranged on the machine frame, a working table is slidably connected to the outer wall of the machine frame, and a headstock and a tailstock are slidably connected to two ends of the working table respectively. Through the arranged carrying mechanism, when a detection value of a second distance measuring instrument is lower than a threshold value, a control system controls an overturning motor to rotate in the forward direction, a lead screw is separated from a loading ring through an avoiding opening, meanwhile, an unloading ring rotates to the position below the lead screw, after machining is completed, the lead screw falls into the unloading ring, and during discharging, the overturning motor is controlled to rotate in the reverse direction; the discharging ring drives the machined lead screw to move to the side close to the collecting groove and slide into the collecting groove through the receding opening, meanwhile, the loading ring drives the lead screw placed in advance to complete the positioning work again, then automatic feeding and discharging are achieved, and the working efficiency is greatly improved.

This golf bag features a removable telescopic tube that allows the user to remove and attach the tube themselves, improving the bag's functionality. [Solution] The golf bag with a removable telescopic tube according to the present invention comprises a bag body 10, a head frame assembly 20, and a telescopic tube 30. The bag body 10 has a storage space 11 inside and an opening 12 at the top that communicates with the storage space 11. A plurality of brackets 13 are provided in the storage space 11, one end of each bracket 13 is fixed to the bottom of the bag body 10, and the other end extends along a direction toward the opening 12. The head frame assembly 20 has a first head frame 21, a second head frame 22, and control components 23. The telescopic tube 30 is removablely provided in the storage space 11 of the bag body 10 and is driven to move along a direction toward or away from the bag body 10.

The utility model discloses a starter driving end cover eccentric hole machining positioning tool which comprises a machining machine tool, one end of the machining machine tool is fixedly connected with a headstock, one side of the headstock is fixedly connected with a fixed chuck, the fixed chuck is located above the machining machine tool, and the machining machine tool is slidably connected with a movable base; the upper surface of the movable seat is fixedly connected with a drilling machine, the U-shaped anti-splashing cover is fixedly arranged on one side of the headstock and fixedly connected with the upper surface of the machining tool, and the fixed chuck is located in the U-shaped anti-splashing cover; according to the scheme, when the starter driving end cover is subjected to tapping machining, part of waste disintegrating slag splashing outwards can be intercepted to a certain degree through the U-shaped splash-proof cover, the intercepted disintegrating slag can fall into the slag receiving box to be collected, personnel can conveniently conduct centralized cleaning, and therefore the frequency that a machining machine tool needs to be manually cleaned can be reduced, and the machining efficiency is improved. And manpower consumption can be reduced, and meanwhile the machining efficiency of workers on the starter driving end cover can be improved.

The utility model discloses a steel bar cutting-off device which comprises a cutting-off head frame body, a sliding seat and a cutting-off tool. Two parallel track shafts are arranged on the cutting head frame body, the sliding seat is arranged on the two track shafts in a sliding manner, and the cutting tool is fixed on the sliding seat; the cut-off tool comprises a cylinder body and a piston rod connected with the cylinder body through a piston, and a blade is arranged at the front end of the piston rod; the front end of the piston rod is inclined downwards, and the cut reinforcing steel bar can smoothly fall into the material receiving groove at the preset position. The supporting mode of the cutting-off head is optimized, the impact force in the pushing process of the steel bar cutting-off head is reduced, the torque in the cutting-off pushing process is reasonably balanced, equipment runs stably, and the service life is prolonged; in addition, the front end of the piston rod is inclined downwards, so that the steel bar can fall into a preset track smoothly after being cut off, and accumulation of machining scraps and the like can be prevented.

The utility model relates to the technical field of headstock motors, in particular to a headstock motor with a damping base, which comprises a headstock motor and a damping base top plate, a stud hole is arranged on the surface of the headstock motor, a stud is fixed at the top end of the damping base top plate, the stud is movably inserted in the stud hole, and the damping base top plate is fixed on the surface of the headstock motor. A nut is mounted on the surface of the stud in a threaded connection manner; the anti-loosening device has the beneficial effects that the anti-loosening plate is pressed downwards to be completely retracted into the anti-loosening plate mounting groove, then the nut is screwed on the stud through threaded connection, after basic screwing, the nut continues to be finely adjusted in the screwing direction to enable the nut to be aligned with an inner ring of the anti-loosening plate, and then the anti-loosening plate is loosened; the anti-loosening spring pushes one end of the anti-loosening plate out of the anti-loosening plate mounting groove under the elastic effect of the anti-loosening spring, so that the nut is sleeved with one end of the anti-loosening plate to conduct circumferential limiting on the nut, the thread anti-loosening function between the nut and the stud is achieved, and the headstock motor is firmly mounted at the top end of the damping base top plate.