1319results about "Screw-threads articles" patented technology

The utility model relates to the field of capacitor aluminum shell bolt production, in particular to a capacitor aluminum shell bolt thread rolling machine which comprises a bottom plate, inclined supporting frames which are symmetrically distributed are further arranged above the bottom plate, an inclined plate which is fixedly connected is arranged above the inclined supporting frames, and electric cylinder installation plates which are fixedly connected are arranged on the two sides of the inclined plate. A fixedly-connected gear frame is further arranged above the bottom plate, a motor mounting plate is fixedly arranged on one side of the gear frame, and a fixedly-connected stepping motor is arranged above the motor mounting plate; the stepping motor drives the second bevel gear and the rotating wheel to rotate synchronously, and the second bevel gear and the rotating wheel drive the two sliding mounting plates to reciprocate through the connecting arm, so that the second thread rolling plate on one side of the two sliding mounting plates synchronously reciprocates; therefore, synchronous thread rolling is conducted on the two bolts to be machined between the first thread rolling plate and the second thread rolling plate, the two bolts can be machined at the same time through one motor, and the production efficiency of the bolts is improved.

Examples relate to a wing-nut (114) for a tolerance compensating fastener (100) cooperable with a threaded fastening element (116). The wing-nut (114) having a rigid insert (306) and a body component (300). The rigid insert (306) formed as a hollow cylindrical body and comprising a plurality of retention elements (308) and a plurality of threads (302) formed on an inner wall of the hollow cylindrical body. The body component (300) surrounding the rigid insert (306), the body component (300) having an opening, coaxial with a central longitudinal axis of the rigid insert (306), to create a through-hole with the hollow cylindrical body to receive the threaded fastening element (116). Each of the plurality of retention elements (308) is encapsulated by the body component (300) to be interlocked and fixed in the body component (300).

To provide an NC thread rolling machine that performs rough processing and finishing processing on a workpiece and that can be made compact.SOLUTION: An NC thread rolling machine 100 comprises: a pair of first flat dies 104a, 104b for rough processing; a pair of second flat dies 105a, 105b for finishing processing arranged adjacently to the first flat dies in parallel; rack driving mechanisms 106a, 106b which move one pair of first and second flat dies and the other pair of first and second dies mutually in parallel directions and also in opposite directions; respective mechanisms 110, 112, and 114 which rotate a workpiece, support both ends of the work rotatably, and also shift the workpiece between the first flat dies and second flat dies; and a numerical control part 148, wherein the numerical control part controls the respective mechanisms including the rack driving mechanism to support the workpiece between the first flat dies so as to perform rough processing on the workpiece with the first flat dies, shift the workpiece after the rough processing to between the second flat dies, and then perform finishing processing on the workpiece with the second flat dies.SELECTED DRAWING: Figure 2

To provide a form rolling device capable of highly accurately and stably molding a male screw.SOLUTION: A form rolling device 1 includes: a moving die 4 reciprocated in a form rolling direction; a fixing die 3 disposed so as to be converted in a position along an opposite direction; a position conversion pullout bolt 31 and a position conversion pressing bolt 32 for converting a position of the fixing die 3 in the opposite direction by manual operation; an opposite position detection sensor for detecting a position in the opposite direction of the fixing die 3; and a touch panel 37 for notifying first to third present position information detected by the opposite position detection sensor, and previously set first to third set position information. The device allows an operator to adjust a position in the opposite direction of the fixing die 3 while confirming the touch panel 37.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of bolt machining, and provides a buffering type efficient bolt thread rolling machine which comprises an equipment frame and a driving motor, the driving motor is arranged on one side of the equipment frame, an installation moving assembly is arranged on the equipment frame, a thread rolling roller is arranged on the equipment frame, and a buffering adjusting assembly is arranged on the equipment frame. The slideways are arranged on the surface of the equipment frame and slidably connected with driving seats, and the output ends of the driving seats are connected with the thread rolling rollers. By means of the technical scheme, the problems that in the related technology, a thread rolling machine cannot conduct straightening operation on a workpiece and does not have a buffering function, if thread rolling is directly conducted, thread rolling of the workpiece is incomplete, and products are scrapped are solved.

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 present application relates to an injection mold, and aims to solve the problem of how to optimize the rotary core-pulling structure, and provides an injection mold for molding a cylindrical plastic product with an inner spiral blade. The injection mold for molding a cylindrical plastic product with an inner spiral blade includes a bottom plate, a fixed plate, an ejector plate, a push piece, a side core-pulling piece, and a rotary core-pulling piece. The ejector plate pushes the push plate in the vertical direction through a push rod, and the push plate moves the side core-pulling block in the vertical direction, so that the side core-pulling block slides along the slider, and the side core-pulling block is separated from the side hole of the plastic product in the horizontal direction; and the ejector plate cooperates with the circumferential surface of the core shaft, and the ejector plate moves in the vertical direction and drives the core shaft to rotate, so that the inner wall of the plastic product is demolded. Such a setting enables the injection mold for molding a cylindrical plastic product with an inner spiral blade to complete the linkage between the demolding action and the mold opening action of the plastic product without the help of a cylinder or a motor drive, so as to achieve the effect of optimizing the rotary core-pulling structure.

A thread-rolling machine (3) includes a base (31), a covering unit (33), a triggering unit (32) covered by the covering unit (33), a linking unit (34) connected to the triggering unit (32), a stationary rolling die (36), and a movable rolling die (35) linked with the triggering unit (32). The covering unit (33) defines an accommodation space (331) for covering the triggering unit (32) and a port (332) adapted to bearing a reciprocating motion of the linking unit (34) . A scraping unit (333) is disposed on a periphery of the port (332). A collecting unit (37) is disposed under the linking unit (34). The collecting unit (37) is situated in the accommodation space (331) and extended beyond the covering unit (33) . Accordingly, cutting fluid splattering onto the linking unit (34) is scraped off by the scraping unit (333) and is further discharged into the collecting unit (37) for being collected, thereby keeping the base (31) clean and preventing the cutting fluid from mixing with lubricating fluid applied to the triggering unit (32).

An aluminum profile pipe internal thread roller press comprises a machine frame body, a workpiece feeding and taking device and a workpiece fixing and clamping device are arranged on the machine frame body, a boring head is arranged in the machine frame body, a main shaft is arranged in the boring head, a lifting shaft is arranged in the main shaft, the main shaft and the lifting shaft are driven by a motor to rotate synchronously, and the lower end of the lifting shaft is connected with a lifting device of the lifting shaft. The upper end of the lifting shaft is connected with a guide frame, more than two inclined sliding grooves are formed in the outer wall of the guide frame, knife rests are arranged on the inclined sliding grooves respectively, inclined guide rails are arranged on the knife rests on one sides of the inclined sliding grooves, the inclined guide rails are matched with the inclined sliding grooves, horizontal guide rails are arranged on the lower portions of the knife rests, and a telescopic guide plate is arranged on the main shaft and provided with horizontal sliding grooves. The horizontal guide rail is matched with the horizontal sliding groove, an upper connecting lug and a lower connecting lug are arranged on the tool rest, a hobbing cutter is arranged between the upper connecting lug and the lower connecting lug, a cutter shaft is arranged in the hobbing cutter, and the two ends of the cutter shaft are rotationally connected with the upper connecting lug and the lower connecting lug.

The invention discloses a preparation process of an early-warning anti-loosening bolt, and relates to the technical field of bolts, the outer side of a bolt base body is coated with a layer of anti-corrosion sheath containing a polyamide composite material through an injection molding process, so that the effect of improving the corrosion resistance of the bolt is achieved. Furan-2, 5-diketone is used for modifying aminated graphene oxide, maleimide modified graphene oxide is obtained, maleimide has the characteristic of being sensitive to ultraviolet light, and can react with styrene and methyl methacrylate under ultraviolet irradiation, so that vinyl graphene oxide is obtained; and then polyamide modified glass fibers are added, so that the corrosion resistance of the bolt is further improved.

The utility model belongs to the technical field of injection molds, and particularly discloses a mechanical synchronous drive thread core-pulling mechanism which comprises an upper mold fixedly mounted at the injection molding end of an injection molding machine and a lower mold mounted at the moving end of the injection molding machine, the bottom of the upper die is provided with a pair of cavities used for forming products and provided with rotation stopping grooves, the top of the lower die is provided with a pair of threaded blocks used for forming threads on the formed products and inserted into the cavities, fixing cylinders are rotationally connected to the positions, corresponding to the threaded blocks, in the driving cavity, and the top ends of the fixing cylinders penetrate through the lower die and are fixedly connected with rectangular cylinders. According to the utility model, the screwing-out direction of the core-pulling mechanism can be flexibly adjusted according to the requirements of produced products, so that the core-pulling mechanism can be suitable for different complex injection molding parts, the universality of the device is improved, the thread mold can be quickly replaced, the production efficiency is improved, and the production cost is reduced. The production efficiency of the device is improved.

An example relates to a wing nut (114) for a tolerance compensating fastener (100) that can cooperate with a threaded fastening element (116). The wing nut (114) has a rigid insert (306) and a body member (300). The rigid insert (306) is formed as a hollow cylindrical body and includes a plurality of retaining elements (308) and a plurality of threads (302) formed on an inner wall of the hollow cylindrical body. A body member (300) surrounds the rigid insert (306), the body member (300) having an opening coaxial with a central longitudinal axis of the rigid insert (306) to create a through hole with the hollow cylindrical body to receive a threaded fastening element (116). Each of the plurality of retaining elements (308) is enclosed by the body member (300) to interlock and be secured in the body member (300).

The invention relates to the field of thread cutting, in particular to a thread machining device for a stud. The technical problems that due to the fact that an existing thread rolling machine cannot conveniently conduct thread rolling on the two ends of a workpiece at the same time, the working efficiency is low, the workpiece cannot be conveniently aligned before thread rolling, the workpiece is prone to deviation in the thread rolling process, the thread rolling precision is low, and the thread rolling effect is poor are solved. A thread machining device for a stud comprises a bottom frame, two mounting frames are fixedly connected to the bottom frame, side plates are fixedly connected to the two mounting frames, and guide rails are fixedly connected to the two mounting frames. The two electric thread rolling machines of each set move in the direction close to each other, the electric thread rolling machines drive the racks to move, the racks drive the gears to rotate, the material moving disc rotates the lowermost workpiece to move to the position between the electric thread rolling machines, the electric thread rolling machines conduct thread rolling on the two ends of the workpiece correspondingly, and thread rolling can be conveniently conducted on the two ends of the workpiece at the same time; the working efficiency is improved.

The invention relates to a product test repairing method and system, and relates to the technical field of product testing, and the method comprises the steps: obtaining a test position and a test parameter; when the test parameter is inconsistent with the reference parameter, defining the test position as an abnormal position, and calculating the difference between the test parameter and the reference parameter as an abnormal parameter; when the abnormal parameter is a positive value, controlling the cutting device to cut according to the abnormal parameter according to the test position; according to the abnormal parameters, air suction power is determined, and a recovery device is controlled to recover the cut materials; when the abnormal parameter is a negative value, the specification of the recycled material is obtained; determining whether the recycled material specification is greater than the abnormal specification; if yes, the splicing shape is determined according to the specification of the recycled material; controlling a repairing device to repair according to the splicing shape and the abnormal position; and if not, controlling the repairing device to repair according to the repairing material, controlling the polishing device to polish the product and obtaining the test parameters again. The method has the effect of reducing energy consumption.

The invention relates to the technical field of injection molding automatic feeding, in particular to an automatic nut feeding machine which comprises a sorting table, a vibration disc, a trough and an adsorption assembly. The vibration disc is fixedly installed in the middle area of the sorting table and used for containing nuts of different models. The vibration disc comprises an upper-layer vibration disc and a lower-layer vibration disc; a connecting assembly is arranged between the upper-layer vibration disc and the lower-layer vibration disc and used for detachably connecting the upper-layer vibration disc to the lower-layer vibration disc. A vibration compensation assembly is arranged on the upper-layer vibration disc and used for enhancing the vibration frequency of the upper-layer vibration disc, and the upper-layer vibration disc and the lower-layer vibration disc conduct vibration arrangement on nuts of different sizes. The adsorption assembly is arranged at the edge position of the sorting table and used for conveying the nuts of different models in the material groove. The material groove is fixedly installed in the middle area of the sorting table and used for containing the nuts arranged in a vibrating mode. The problem that the occupied space is large when different vibration discs work at the same time is solved.

The invention provides an internal thread extrusion forming process and device, which solves the problems of internal thread turning and the like, the internal thread extrusion forming device comprises a clamp for clamping a workpiece, the clamp is provided with a cutter bar opposite to the workpiece, the clamp and / or the cutter bar are / is in transmission connection with a driving structure, and a planetary internal thread extrusion assembly is mounted in the cutter bar. The method has the advantages of being high in machining efficiency, low in cost and the like.

A seamless steel pipe surface thread machining device comprises a device base, a lead screw base, a front end positioning shaft, a clamping plate, a cross beam, a roller seat and a roller end lead screw, the side portion of the device base is connected with the lead screw base, lead screw shaft grooves are formed in the device base and the lead screw base, the lead screw shaft grooves are matched with lead screws, and the lead screw shaft grooves are connected with the lead screws. The lower portion of the equipment base is connected with the lead screw motor, the interior of the lead screw motor is connected with the lead screw, the rear portion of the equipment base is connected with the rear-end stand column, the rear portion of the rear-end stand column is connected with the motor support, the upper portion of the motor support is connected with the driving motor, and the rear-end stand column is matched with the rear-end positioning shaft and connected with the rear-end positioning shaft. The rear end positioning shaft rotates in the rear end stand column.

The utility model discloses an automatic feeding device of a thread rolling machine and the thread rolling machine comprising the feeding device. The automatic feeding device of the thread rolling machine comprises a stock bin, a jacking mechanism and a V-shaped groove. One end of the stock bin is a feeding port, the other end of the stock bin is provided with the jacking mechanism and the V-shaped groove, and the face, used for containing pipes, of the stock bin is an inclined face and inclines downwards towards the side where the jacking mechanism is located. The clamping device is characterized in that a pushing device is arranged at one end of the V-shaped groove, a limiting baffle is arranged at the other end of the V-shaped groove, an in-place detector is arranged on the limiting baffle, a displacement detection sensor is arranged on the side face of the V-shaped groove, and at least two clamping positions are arranged on the V-shaped groove. According to the utility model, the automatic feeding of common pipes with the length of 30mm-350mm can be realized through the arrangement of the pushing device, and the automatic clamping of pipes with different lengths can be realized through the arrangement of a plurality of clamping positions.

The utility model relates to the technical field of bolt production equipment, in particular to a thread rolling machine for bolt machining. The utility model provides a thread rolling machine for bolt machining, which has an automatic cleaning function. A thread rolling machine for bolt machining comprises a supporting table, a bottom plate, a thread rolling wheel, a protective shell, a water tank, a water pipe, a pressing plate, a friction block and the like. The supporting table is fixedly connected with a bottom plate, the bottom plate is slidably connected with a protective shell, the protective shell is fixedly connected with a thread rolling wheel, the bottom plate is fixedly connected with a water tank, the water tank is communicated with the top end of the water pipe, the bottom plate is slidably connected with a pressing plate, and the pressing plate is fixedly connected with friction blocks longitudinally distributed front and back. By means of the friction block and other components, when the bolt is machined by the thread rolling machine, residual iron wires and burrs on the surface of the bolt can be cleaned and polished through the friction block, manual cleaning and secondary polishing are avoided, and the yield of the bolt is increased.

To provide a rolling device that can easily perform correction of relative position between a fixed flat die and a moving flat die.SOLUTION: A rolling device 1 comprises: control content that forms a fixed side streak and a moving side streak on a base material to obtain a test piece; and control content that receives input of a positional deviation amount between a virtual groove center line of the fixed side streak and a groove center line of the moving side streak, and calculates and outputs a correction movement amount to correct a moving flat die 4 to a top dead center on the basis of the positional deviation amount. Further, the rolling device comprises control content that receives and outputs input of a biting depth of the fixed side streak and the moving side streak of the test piece. According to such configuration, the top dead center of the moving flat die 4 can be positionally adjusted easily on the basis of the positional deviation amount, and an opposite direction position of the fixed flat die 3 can be positionally adjusted easily on the basis of the biting depth.SELECTED DRAWING: Figure 1

The invention relates to an inner shrinkage core mold, which comprises a top plate, a front mold, a rear mold and a bottom plate, an ejection structure is arranged between the rear mold and the bottom plate, the ejection structure comprises an upper ejection plate and a lower ejection plate, the lower ejection plate is rotatably connected with a middle core, a threaded core is arranged on the outer side of the middle core, the threaded core is arranged in a split manner, and the upper ejection plate is connected with the lower ejection plate. Each split body is clamped with the middle core, the threaded core rotates along with the middle core, and when the middle core moves in the direction away from the cavity, one end, facing the cavity, of each split body of the threaded core inclines towards the middle core. By adopting the technical scheme, the split bodies of the threaded core are simultaneously driven to complete the composite action of rotation and radial inclined shrinkage through the rotation and backward pulling action of the middle core, the split bodies are rotated by an angle firstly, so that a mold core structure corresponding to an internal thread is loosened from the internal thread of a product, and the mold opening action is continued; and the inclined contraction action enables the thread part to be thoroughly separated, so that the demolding stroke is greatly shortened.

The invention relates to the technical field of thread rolling machining, and discloses penetrating rod thread rolling equipment for an automobile air brake, the penetrating rod thread rolling equipment comprises a plurality of sets of thread rolling mechanisms which are sequentially connected in series, and each thread rolling mechanism comprises a feeding assembly, a thread rolling machining assembly, a discharging assembly, a feeding assembly and a detecting assembly; the detection module is used for detecting materials, the discharging module is used for discharging unqualified materials, and qualified materials can enter a thread rolling station; the thread rolling machining assembly is used for conducting thread rolling machining on the materials at the thread rolling station. The hopper in the subsequent thread rolling mechanism is in butt joint with the discharging assembly in the previous thread rolling mechanism. Three sections of threads are machined at a time by splicing the three thread rolling mechanisms, automatic conveying is achieved between the adjacent thread rolling mechanisms, materials do not need to be manually conveyed in sequence, the production efficiency is remarkably improved, and manual intervention is reduced; before entering the thread rolling process, the penetrating rod is subjected to at least one detection, defective products are eliminated, and the production requirements of high-precision parts are met.

The invention provides a self-drilling screw structure and a manufacturing method thereof, wherein the manufacturing method includes: providing screw body, forming drill tail screw rod section, forming concave neck portion, forming drill tail cutting edge and forming thread. The self-drilling screw structure including a screw head portion and a screw rod portion, the screw rod portion is sequentially provided with a threaded screw rod section, a drill tail screw rod section and a drill bit screw rod section, the drill tail screw rod section has a rod diameter of drill tail, a plurality of drill tail cutting edges and a plurality of drill tail chip discharge grooves, the drill bit screw rod section is provided with a concave neck portion, and the drill bit screw rod section is protruded to form a plurality of drill bit cutting edges and the plurality of drill bit chip discharge grooves.

The utility model relates to the field of thread rolling machines, and discloses an automatic feeding thread rolling machine which comprises a device body and two supporting plates, two thread rolling columns are rotationally connected to the side surface of the device body, and a scrap box is arranged at the position, located below the two thread rolling columns, of the side edge of the device body. A discharging plate is fixedly connected to the upper surfaces of the two supporting plates, a sliding frame is slidably connected to the side surface of the discharging plate, connecting rods are fixedly connected to the upper side and the lower side of the side surface of the sliding frame correspondingly, and baffles are fixedly connected to the opposite side surfaces of the two connecting rods correspondingly. A feeding box is fixedly connected to the position, located below the side of the discharging plate, of the side surfaces of the two supporting plates, and a pushing plate is slidably connected to the inner wall of the feeding box. According to the thread rolling device, automatic intermittent feeding of the device can be completed, the thread rolling efficiency and the production quality of the device are improved, and the body safety of workers is guaranteed.

The thread rolling machine capable of preventing the stud from rotating comprises a base, a bottom plate is fixedly installed on the inner side of the base, a movable table is movably arranged on the top of the bottom plate, a sliding rail is fixedly connected to one side of the top of the movable table, a two-way screw rod is rotatably installed in the sliding rail, and the two-way screw rod is fixedly connected to the bottom of the base. The two ends of the two-way screw rod are respectively provided with a sliding rail, one end of the two-way screw rod is detachably provided with a first hand-cranking wheel, the two sides of the surface of the two-way screw rod are respectively provided with a sliding piece sliding on the surface of the sliding rail in a threaded mode, and the top of each sliding piece is fixedly connected with a clamping arm. A structure for clamping and positioning the stud is additionally arranged, so that the stud cannot rotate along with the rotation of a machine during thread rolling, the precision of thread rolling of the stud is improved, the machining quality of the stud is improved, and convenience is provided for work and use of a user.

An interdental brush with a replaceable brush body with a core and a manufacturing method thereof are provided, and relate to the technical field of tooth cleaning tools. The interdental brush includes a handle, a screw cap, a fixing block and a brush body. One end of the handle is provided with an external thread, an interior of the screw cap is provided with an internal thread mating with the external thread of the one end of the handle. One end of the fixing block abuts against the handle, and an other end extends out of the screw cap. The brush body includes a core and bristles, the core is twisted by an amorphous alloy wire, one end of the core is clamped in the fixing block, and a periphery of an other end is connected to the bristles.

The utility model relates to the technical field of dies, in particular to a thread rolling die. The thread rolling mold comprises a forming cavity, a gear module, a positioning mechanism and a reset plate, and the forming cavity is used for injection molding of a product; the gear module comprises a transmission gear and a plurality of driving gears, the transmission gear is meshed with the driving gears to drive the driving gears to rotate, the driving gears are of hollow structures, the forming cavities penetrate through the hollow structures of the driving gears, and the driving gears are used for driving the forming cavities to rotate so as to perform thread rolling on formed products; the positioning mechanism comprises a limiting column, the limiting column is arranged in the forming cavity, and the limiting column is used for fixing the position of a formed product; the reset plate is provided with a columnar containing groove matched with a formed product in shape and a groove matched with the positioning mechanism in shape, the columnar containing groove is used for containing the formed product, and the groove is used for being matched with the positioning mechanism to position the formed product. By means of the reset plate, precise reset of teeth niobium is guaranteed, and the precision of the tooth rolling process is improved.

The utility model discloses an ejection structure for forming a threaded injection molding part, which comprises a box body, an accommodating hole is arranged on the inner wall of the box body, a servo motor is arranged in the accommodating hole, a swing arm is arranged on the servo motor, a connecting rod is arranged on the top end face of the swing arm, a sliding round block is arranged on the connecting rod, and a sliding block is arranged on the sliding round block. A fixing rod is arranged on the bottom wall of the box body, a fixing block is fixed to the tail end of the fixing rod, a first sliding groove is formed in the fixing block, a sliding block is arranged in the first sliding groove, a driven block is arranged on the end face of the sliding block, a sliding round block is located in a second sliding groove in the driven block, and a servo motor drives a swing arm to rotate. A sliding round block on a swing arm slides in a second sliding groove to push a driven block in the rotating direction, a sliding block slides in a first sliding groove, then a first meshing block is meshed with a first gear, a rotating shaft rotates to drive a second gear to be in meshing transmission with telescopic rods on the two sides, and then the telescopic rods intermittently stretch and contract to eject out an injection molding part.

The invention relates to the technical field of shaft part machining equipment, in particular to a feeding and discharging device which comprises a feeding conveying mechanism, a driving mechanism, a feeding clamping jaw, a discharging clamping jaw and a discharging conveying mechanism, the feeding clamping jaw is used for clamping a workpiece on the feeding conveying mechanism, the discharging clamping jaw is used for clamping a workpiece on a thread rolling machine, and the discharging conveying mechanism is used for conveying the workpiece on the thread rolling machine. The driving mechanism is used for driving the feeding clamping jaw to move between the feeding conveying mechanism and the thread rolling machine, and the driving mechanism is further used for driving the discharging clamping jaw to move between the thread rolling machine and the discharging conveying mechanism. Automatic feeding and discharging of workpieces are achieved, manual operation is replaced, and the thread rolling machining efficiency is remarkably improved.