CN112453294B

CN112453294B - Stud processing equipment

Info

Publication number: CN112453294B
Application number: CN202010984193.4A
Authority: CN
Inventors: 张永良; 李华; 胡伦波
Original assignee: Ningbo Jinding Fastening Piece Co ltd
Current assignee: Ningbo Jinding Fastening Piece Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2022-08-19
Anticipated expiration: 2040-09-18
Also published as: CN112453294A

Abstract

The invention discloses a stud bolt processing device, which comprises a shell, wherein a feed inlet is formed in the upper end of the shell, a material returning hole is formed in the side wall of the shell, a feeding mechanism, a forming mechanism and a thread extrusion mechanism are arranged in the shell, the feeding mechanism comprises a feeding hopper, the side wall of the feeding hopper is connected with a heating component, the feeding mechanism can push a blank into the heating component, the forming mechanism comprises a transmission mechanism, an intermittent mechanism, an extrusion mechanism and a positioning component, the transmission mechanism is matched with the feeding mechanism, the transmission mechanism is also matched with the intermittent mechanism, and the intermittent mechanism can be respectively matched with the extrusion mechanism and the thread extrusion mechanism; the rotation through driving motor can drive even board and slide, and then realizes intermittent type nature material loading, realizes the contour machining of blank simultaneously through the gear box, extrudees the cope match-plate pattern to the screw processing who accomplishes the blank with the lower bolster cooperation through the turning block, and whole course of working is automatic, and does not need artifical the participation, has improved the security of production efficiency and production greatly.

Description

Stud processing equipment

Technical Field

The invention relates to the field of bolt machining, in particular to stud bolt machining equipment.

Background

The existing bolt processing technology needs to process a blank into a finished product through a plurality of processing procedures, wherein the stud needs to process threads at two ends, generally the size of a middle smooth shaft section of the stud is slightly smaller than that of a thread section, so the existing stud needs to perform forming processing before processing and then perform thread processing, the existing forming processing and thread processing are separated, the situations of complex processing technology and low processing efficiency are caused, meanwhile, the existing thread processing mainly comprises methods such as turning, tapping, thread rolling and the like, the methods basically need to be manually realized, the production efficiency is greatly reduced, meanwhile, the operation risk of workers is increased, and equipment capable of automatically completing all processing procedures of the stud is urgently needed.

Disclosure of Invention

Aiming at the situation in the background technology, the invention provides the stud bolt processing equipment, and the whole processing process of the stud bolt can be automatically completed through the matching of the sheave mechanism and the cylinder group, so that a finished product can be directly obtained, the production efficiency is greatly improved, and meanwhile, the risk of manual operation is reduced.

In order to solve the technical problem, the invention is solved by the following technical scheme: a stud processing device comprises a shell, wherein a feed inlet is formed in the upper end of the shell, material returning holes are formed in the side wall of the shell, a feeding mechanism, a forming mechanism and a thread extruding mechanism are installed in the shell, the feeding mechanism comprises a feeding hopper, a blank to be processed can be placed in the feeding hopper, the side wall of the feeding hopper is connected with a heating component through a fixing frame, the feeding mechanism can push the blank into the heating component through a reciprocating lead screw, the forming mechanism comprises a transmission mechanism, an intermittent mechanism, an extruding mechanism and a positioning component, the transmission mechanism is matched with the feeding mechanism through a main gear, the transmission mechanism is matched with the intermittent mechanism through a rotating wheel, the intermittent mechanism comprises a rotating frame and a rotating block, the rotating frame and the rotating block are fixedly connected through a rotating shaft, and a plurality of convex forming dies are installed on the rotating frame, the rotating shaft is further provided with a fixing part, the fixing part can be matched with the convex forming die, the extrusion mechanism comprises a concave forming die and a hydraulic cylinder group, the concave forming die can be matched with the convex forming die under the action of the hydraulic cylinder group, the thread extrusion mechanism comprises an upper template and a lower template, and the upper template can be matched with the lower template under the action of the rotating block.

Preferably, the feeding mechanism is positioned below the feeding hole and comprises a sliding plate, a push rod and the feeding hopper, the feeding hopper is positioned in the feeding port, a feeding rail is fixed at the lower end of the feeding hopper, a chute is arranged at the bottom of the feeding rail, the sliding plate is arranged on the feeding rail, the bottom of the sliding plate is fixedly connected with the push rod through a connecting plate, the connecting plate can drive the sliding plate to slide along the sliding groove, a screw rod hole is arranged on the connecting plate and matched with the reciprocating screw rod, one end of the reciprocating screw rod is rotationally connected with the fixed frame, the other end of the reciprocating screw rod is fixed with a pinion, the heating component consists of a heating pipe and a heating wire, the heating pipe both ends with the mount is connected, the heater strip is installed on the heating pipe, the heating pipe port with the port parallel and level of material loading rail one end.

Preferably, the transmission mechanism is located below the feeding mechanism, the transmission mechanism comprises a transmission motor, a gear box and the rotating wheel, the transmission motor and the gear box are fixed on the adjacent side walls of the shell respectively, the transmission motor is connected with the gear box through a transmission shaft, the main gear is further installed on the transmission shaft, the main gear is matched with the auxiliary gear, and the gear box is connected with the rotating wheel through an output shaft.

Preferably, the intermittent mechanism is positioned on the transmission mechanism in the axial direction of the output shaft, one end of the rotating shaft is rotatably connected with the side wall of the gear box, a grooved wheel is fixed on one side of the rotating frame, the grooved wheel and the rotating wheel are matched to form a grooved wheel mechanism, the rotating frame is provided with four brackets which are uniformly distributed, spline grooves are arranged in the brackets, the convex forming die is arranged on the brackets, the bottom of the convex forming die is provided with a spline shaft which is matched with the spline groove, the center of the spline shaft is provided with a counter bore, a connecting spring is arranged in the counter bore, one end of the connecting spring is connected with the bottom of the counter bore, the other end of the connecting spring is connected with the bottom of the spline groove, the port of the convex forming die can be flush with the port of the heating pipe, four cam blocks which are uniformly distributed are arranged on the rotating block, and the cam blocks and the support are in projection dislocation in the axial direction.

Preferably, a positioning sleeve is installed on the rotating shaft, the positioning sleeve is located on a shaft section between the rotating block and the rotating frame, the positioning sleeve is connected with the bottom of the shell through a fixing plate, a fixing part is fixed at the end of the positioning sleeve, the fixing part is composed of a magnetic disc and a cam, the magnetic disc is fixedly connected with the cam, the fixing part is close to the rotating frame, the cam faces downwards vertically, the cam can be matched with the convex forming die, and the magnetic disc can adsorb the blank located in the convex forming die through magnetic force to prevent the blank from falling off.

Preferably, the extrusion mechanism is located at the side of the rotating frame, the extrusion mechanism further comprises a holder and a slider, the holder is fixed on the side wall of the housing, guide rods are fixed at both ends of the holder, sliders are mounted on the guide rods, return springs are further mounted on the guide rods, the return springs are located between the sliders and the holder, extrusion rods and guide rails are fixed on the sliders, the concave forming die is slidably connected with the holder through a limiting rod, a limiting spring is mounted on the limiting rod, both ends of the concave forming die are respectively matched with the guide rails, the hydraulic cylinder group is composed of a front hydraulic cylinder and a rear hydraulic cylinder, both the front hydraulic cylinder and the rear hydraulic cylinder are fixed on the side wall of the housing and respectively located at both ends of the holder and can be matched with the sliders through telescopic rods, the guide rail can be driven to move under the pushing of the front hydraulic cylinder and the rear hydraulic cylinder, so that the concave forming die and the convex forming die are pushed to be matched to form a complete forming die, and meanwhile, the extrusion rod can be matched with two ends of the forming die and extrude and form the blank in the forming die.

Preferably, the thread extrusion mechanism is positioned below the rotating block, the lower template is fixedly connected with the bottom of the shell through a fixed block, a pair of lower half thread sections are arranged in the lower template, a port at one end of the lower template is communicated with the material returning hole, the other end of the lower template is connected with a material discharging rail, the blanking rail is positioned below the rotating frame, the push rod can be matched with the blanking rail, a pair of upper half thread sections are also arranged in the upper template, a pair of positioning rods are fixed on the upper template and respectively penetrate through the fixed plate and the fixed side plate, the fixed side plate is fixed on the side wall of the shell, the positioning spring is arranged on the positioning rod, the upper template can be matched with the lower template under the action of the cam block, and then combining the upper half thread section and the lower half thread section on the upper template and the lower template into a complete thread section.

The invention has the beneficial effects that: by installing the feeding hopper, a plurality of blanks can be placed in the feeding hopper at one time, the reciprocating screw rod can be driven to rotate through the rotation of the transmission motor, and then the connecting plate is driven to slide, so that the blanks in the feeding hopper are pushed into the heating pipe for heating, the reciprocating movement is realized through the obstruction of the end part and the fixing frame, and the intermittent feeding is realized; when the reciprocating screw rod realizes one-time circular reciprocating motion, the sheave mechanism rotates for a circle by installing the gear box, so that the rotating frame rotates for a quarter of a circle, the matching time of the convex forming die and the concave forming die on the rotating frame is fully given, and the extrusion molding of the extrusion rod on the blank in the forming die is further completed; the sliding block is driven to move along the guide rod under the action of the hydraulic cylinder group, so that the guide rail is driven to extrude the concave forming die to be matched with the convex forming die, and the forming processing of the blank is finished; continuous rotation through the rotating turret, and then drive the cooperation of protruding moulded die and cam, keep away from the magnetic disk with the protruding moulded die, and then guarantee that the blank in the protruding moulded die breaks away from magnetic force and adsorbs to fall to unloading rail in and push down to the lower bolster under the effect of push rod, and along with the rotation of cam block on the turning block, extrude the cope match-plate pattern to forming the screw thread with the lower bolster cooperation and to the blank extrusion in the lower bolster, whole course of working is automatic, and do not need artifical the participation, the security of production efficiency and production has been improved greatly.

Drawings

FIG. 1 is a schematic external view of the present invention.

Fig. 2 is a schematic diagram a of the internal structure of the present invention.

Fig. 3 is a schematic diagram B of the internal structure of the present invention.

Fig. 4 is a front view of the internal structure of the present invention.

FIG. 5 is a schematic view of the feeding mechanism and the heating member of the present invention.

Fig. 6 is a schematic view of the working state of the feeding mechanism of the present invention.

Fig. 7 is a schematic structural diagram of the transmission mechanism of the invention.

FIG. 8 is a schematic view of the intermittent mechanism of the present invention.

Fig. 9 is a cross-sectional view of the turret of the invention.

FIG. 10 is a schematic view of the screw thread pressing mechanism and the fixing member according to the present invention.

Fig. 11 is a cross-sectional view of the extrusion mechanism of the present invention.

Fig. 12 is a schematic view of the working state of the pressing mechanism of the present invention.

FIG. 13 is a schematic view of the state of the pressing mechanism and the intermittent mechanism of the present invention.

FIG. 14 is a schematic view showing a state where the intermittent mechanism of the present invention is engaged with the screw thread pressing mechanism.

In the figure: the device comprises a shell 1, a feed inlet 101, a material returning hole 102, a feed hopper 201, a feed rail 202, a sliding plate 203, a screw rod hole 204, a connecting plate 205, a push rod 206, a fixing frame 207, a reciprocating screw rod 208, a pinion 209, a heating pipe 210, a heating wire 211, a sliding chute 212, a transmission motor 301, a transmission shaft 302, a main gear 303, a gear box 304, an output shaft 305, a rotating wheel 306, a rotating frame 401, a rotating shaft 402, a grooved wheel 403, a convex forming die 404, a rotating block 405, a cam block 406, a spline shaft 407, a spline groove 408, a connecting spring 409, a positioning sleeve 410, a cam 411, a magnetic disc 412, a fixing plate 413, an upper die plate 501, a positioning rod 502, a positioning spring 503, a feed rail 504, a fixing block 505, a lower die plate 506, a fixing side plate 507, a holding frame 601, a guide rod 602, a return spring 603, a sliding blocks 604, a rear hydraulic cylinder 605, an extrusion rod 606, a guide rail 607, a front hydraulic cylinder 608, a concave forming die, a limiting rod 610, a limiting spring 609, a connecting rod, And (7) a blank.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without the need for inventive step, are within the scope of the present invention.

Embodiment for example as shown in fig. 1 to 14, a stud bolt processing device comprises a housing 1, wherein a feed inlet 101 is arranged at the upper end of the housing 1, a material returning hole 102 is arranged on the side wall of the housing 1, a feeding mechanism, a forming mechanism and a thread extruding mechanism are arranged inside the housing 1, the feeding mechanism comprises a feeding hopper 201, a blank 7 to be processed can be placed in the feeding hopper 201, a heating component is connected to the side wall of the feeding hopper 201 through a fixing frame 207, the feeding mechanism can push the blank 7 into the heating component through a reciprocating screw rod 208, the forming mechanism comprises a transmission mechanism, an intermittent mechanism, an extruding mechanism and a positioning component, the transmission mechanism is matched with the feeding mechanism through a main gear 303, the transmission mechanism is matched with the intermittent mechanism through a rotating wheel 306, the intermittent mechanism comprises a rotating frame 401 and a rotating block 405, the rotating frame 401 and the rotating block 405 are fixedly connected through a rotating shaft 402, the rotating frame 401 is provided with a plurality of convex forming dies 404, the rotating shaft 402 is further provided with a fixing part, the fixing part can be matched with the convex forming dies 404, the extrusion mechanism comprises a concave forming die 609 and a hydraulic cylinder group, the concave forming die 609 can be matched with the convex forming dies 404 under the action of the hydraulic cylinder group, the thread extrusion mechanism comprises an upper die plate 501 and a lower die plate 506, and the upper die plate 501 can be matched with the lower die plate 506 under the action of the rotating block 405.

The feeding mechanism is located below the feeding hole 101, the feeding mechanism comprises a sliding plate 203, a push rod 206 and the feeding hopper 201, the feeding hopper 201 is located in the feeding hole 101, the lower end of the feeding hopper 201 is fixed with a feeding rail 202, the bottom of the feeding rail 202 is provided with a sliding groove 212, the sliding plate 203 is installed on the feeding rail 202, the bottom of the sliding plate 203 is fixedly connected with the push rod 206 through a connecting plate 205, the connecting plate 205 can drive the sliding plate 203 to slide along the sliding groove 212, the connecting plate 205 is provided with a screw rod hole 204, the screw rod hole 204 is matched with the reciprocating screw rod 208, one end of the reciprocating screw rod 208 is rotatably connected with the fixing frame 207, the other end of the reciprocating screw rod is fixed with a secondary gear 209, the heating component is composed of a heating pipe 210 and a heating wire 211, two ends of the heating pipe 210 are connected with the fixing frame 207, the heating wire 211 is installed on the heating pipe 210, the heating tube 210 has a port flush with a port at one end of the feeding rail 202.

The transmission mechanism is located below the feeding mechanism, the transmission mechanism comprises a transmission motor 301, a gear box 304 and a rotating wheel 306, the transmission motor 301 and the gear box 304 are respectively fixed on the adjacent side walls of the shell 1, the transmission motor 301 is connected with the gear box 304 through a transmission shaft 302, the transmission shaft 302 is further provided with a main gear 303, the main gear 303 is matched with the auxiliary gear 209, and the gear box 304 is connected with the rotating wheel 306 through an output shaft 305.

The intermittent mechanism is positioned on the transmission mechanism in the axial direction of the output shaft 305, one end of the rotating shaft 402 is rotatably connected with the side wall of the gear box 304, a grooved wheel 403 is fixed on one side of the rotating frame 401, the grooved wheel 403 is matched with the rotating wheel 306 to form a grooved wheel mechanism, the rotating frame 401 is provided with four uniformly distributed brackets, spline grooves 408 are arranged in the brackets, the convex forming die 404 is installed on the brackets, the bottom of the convex forming die 404 is provided with a spline shaft 407, the spline shaft 407 is matched with the spline grooves 408, the center of the spline shaft 407 is provided with a counter bore, a connecting spring 409 is installed in the counter bore, one end of the connecting spring 409 is connected with the bottom of the counter bore, the other end of the connecting spring 408 is connected with the bottom of the spline groove, the port of the convex forming die 404 can be flush with the port of the heating pipe 210, and the rotating block 405 is provided with four uniformly distributed cam blocks 406, the cam block 406 is offset from the bracket in axial projection.

The rotating shaft 402 is provided with a positioning sleeve 410, the positioning sleeve 410 is positioned on the shaft section between the rotating block 405 and the rotating frame 401, the positioning sleeve 410 is connected with the bottom of the shell 1 through a fixing plate 413, the fixing part is fixed at the end of the positioning sleeve 410, the fixing part is composed of a magnetic disc 412 and a cam 411, the magnetic disc 412 is fixedly connected with the cam 411, the fixing part is close to the rotating frame 401, the cam 411 is vertically downward, the cam 411 can be matched with the convex forming die 404, and the magnetic disc 412 can adsorb the blank 7 positioned in the convex forming die 404 through magnetic force to prevent the blank 7 from falling off.

The extrusion mechanism is located on the side of the rotating frame 401, the extrusion mechanism further includes a holding frame 601 and a sliding block 604, the holding frame 601 is fixed on the side wall of the housing 1, both ends of the holding frame 601 are fixed with guide rods 602, the guide rods 602 are both provided with sliding blocks 604, the guide rods 602 are also provided with return springs 603, the return springs 603 are located between the sliding blocks 604 and the holding frame 601, the sliding blocks 604 are fixed with extrusion rods 606 and guide rails 607, the female forming die 609 is connected with the holding frame 601 through a limiting rod 610 in a sliding manner, the limiting rod 610 is provided with a limiting spring 611, both ends of the female forming die 609 are respectively matched with the guide rails 607, the hydraulic cylinder set is composed of a front hydraulic cylinder 608 and a rear hydraulic cylinder 605, both the front hydraulic cylinder 608 and the rear hydraulic cylinder 605 are fixed on the side wall of the housing 1 and are located at both ends of the holding frame 601, the telescopic rod can be matched with the sliding block 604, the guide rail 607 can be driven to move under the pushing of the front hydraulic cylinder 608 and the rear hydraulic cylinder 605, the female forming die 609 and the male forming die 404 are further pushed to be matched to form a complete forming die, and the extrusion rod 606 can be matched with two ends of the forming die and is used for carrying out extrusion forming on the blank 7 in the forming die.

The thread extrusion mechanism is positioned below the rotating block 405, the lower template 506 is fixedly connected with the bottom of the shell 1 through a fixing block 505, a pair of lower half thread sections are arranged in the lower template 506, the port at one end of the lower template 506 is communicated with the material returning hole 102, the other end is connected with a lower material rail 504, the blanking rail 504 is located below the turret 401, the push rod 206 can cooperate with the blanking rail 504, a pair of upper half thread sections are also arranged in the upper template 501, a pair of positioning rods 502 are fixed on the upper template 501, the fixing plate 413 and the fixing side plate 507 are respectively penetrated through, the fixing side plate 507 is fixed on the side wall of the shell 1, the positioning rod 502 is provided with a positioning spring 503, the upper template 501 can be matched with the lower template 506 under the action of the cam block 406, and then the upper half thread section and the lower half thread section on the upper template 501 and the lower template 506 are combined into a complete thread section.

The specific working process is as follows: the initial state is shown in fig. 2, in which the transmission motor 301 and the hydraulic cylinder set are both in the closed state, and all the components are in the initial positions.

When machining is needed, firstly, the blank 7 is placed in the feeding hopper 201, then the transmission motor 301 is started, the main gear 303 on the transmission shaft 302 is matched with the pinion 209 on the reciprocating screw rod 208, and then the connecting plate 205 is driven to move along the reciprocating screw rod 208, so that the sliding plate 203 is driven to slide along the feeding rail 202, the blank 7 on the feeding rail 202 in the feeding hopper 201 is pushed into the heating pipe 210, the next blank 7 is positioned on the sliding plate 203 and does not break away from the feeding hopper 201, then the connecting plate 205 reversely moves to the initial position under the obstruction of the fixing frame 207, reversely moves again under the obstruction of the end retaining ring, and pushes the next blank 7 into the heating pipe 210, the whole feeding process is a feeding cycle process, when the blank 7 enters the heating pipe 210, the heating wire 211 starts to work, the blank 7 is heated within the time of one cycle, and when the next blank 7 is pushed into the heating pipe 210, the heated blank 7 is pushed into the convex forming die 404 on the rotating frame 401, and under the deceleration action of the gear box 304, when the feeding mechanism completes a circular feeding process, it is ensured that the rotating wheel 306 rotates for a circle and drives the rotating frame 401 to rotate for a quarter of a circle through the grooved wheel 403 mechanism, and further the heated blank 7 rotates for a quarter of a circle along with the rotating frame 401 under the adsorption of the magnetic disk 412, then the hydraulic cylinder 605 set is started, and further the sliding block 604 is pushed to move along the guide rod 602 and drives the guide rail 607 to extrude the concave forming die 609 to be matched with the convex forming die 404 into a complete forming die as shown in fig. 13, because the matching surface on the convex forming die 404 is a flange, and the matching surface on the concave forming die 609 is a concave edge, it can be ensured that the convex forming die 404 is not rotated when matched with the concave forming die 609, and simultaneously the blank 7 in the extrusion forming die of the extrusion rod 606 completes the forming process, then the hydraulic cylinder 605 is reset, the slide block 604 is also reset under the action of the reset spring 603, the female forming die 609 is reset under the action of the limit spring 611, then the formed workpiece continues to rotate one turn for four times along with the rotating frame 401, at this time, the previous blank 7 moves to be matched with the female forming die 609, the male forming die 404 where the formed blank 7 is located is away from the magnetic disc 412 under the action of the cam 411 in the rotating process, and further the magnetic attraction is removed, so that the formed blank 7 falls into the blanking rail 504, and is pushed into the lower die plate 506 under the action of the push rod 206 connected with the connecting rod, and in the next rotating process of the rotating shaft 402, the cam block 406 on the rotating block 405 is driven to extrude the upper die plate 501 and the lower die plate 506 is matched as shown in fig. 14 for thread extrusion, and after the thread extrusion is completed, the upper die plate 501 is reset under the action of the positioning spring 503, the workpiece which has finished the thread machining is pushed out of the material returning hole 102 by the next blank 7, and the whole machining process is finished.

Claims

1. The utility model provides a stud processing equipment, includes casing (1), its characterized in that: casing (1) upper end is equipped with feed inlet (101), and the lateral wall is equipped with material returned hole (102), casing (1) internally mounted has feeding mechanism, forming mechanism and screw extrusion mechanism, feeding mechanism includes feeding funnel (201), can place blank (7) of treating processing in feeding funnel (201), feeding funnel (201) lateral wall is connected with the heating member through mount (207), feeding mechanism can push blank (7) to in the heating member through reciprocal lead screw (208), forming mechanism includes drive mechanism, intermittent type mechanism, extrusion mechanism and locating part, drive mechanism pass through master gear (303) with feeding mechanism cooperates, drive mechanism pass through runner (306) with the intermittent type mechanism cooperation, the intermittent type mechanism includes rotating turret (401) and turning block (405), rotating turret (401) with turning block (405) is through pivot (402) fixed connection, the extrusion mechanism comprises a female forming die (609) and a hydraulic cylinder group, the female forming die (609) can be matched with the male forming die (404) under the action of the hydraulic cylinder group, the thread extrusion mechanism comprises an upper template (501) and a lower template (506), and the upper template (501) can be matched with the lower template (501) under the action of the rotating block (405).

2. The stud bolt machining apparatus according to claim 1, wherein: the feeding mechanism is positioned below the feeding hole (101), the feeding mechanism comprises a sliding plate (203), a push rod (206) and the feeding hopper (201), the feeding hopper (201) is positioned in the feeding port (101), a feeding rail (202) is fixed at the lower end of the feeding hopper (201), the bottom of the feeding rail (202) is provided with a sliding groove (212), the sliding plate (203) is arranged on the feeding rail (202), the bottom of the sliding plate (203) is fixedly connected with the push rod (206) through a connecting plate (205), the connecting plate (205) can drive the sliding plate (203) to slide along the sliding groove (212), the connecting plate (205) is provided with a screw rod hole (204), the screw rod hole (204) is matched with the reciprocating screw rod (208), one end of the reciprocating screw rod (208) is rotationally connected with the fixed frame (207), and the other end of the reciprocating screw rod is fixed with a pinion (209).

3. The stud bolt machining apparatus according to claim 2, wherein: the heating part comprises heating pipe (210) and heater strip (211), heating pipe (210) both ends with mount (207) are connected, heater strip (211) are installed on heating pipe (210), heating pipe (210) port with the port parallel and level of material loading rail (202) one end.

4. The stud bolt machining apparatus according to claim 3, wherein: the transmission mechanism is located below the feeding mechanism, the transmission mechanism comprises a transmission motor (301), a gear box (304) and a rotating wheel (306), the transmission motor (301) and the gear box (304) are respectively fixed on the adjacent side walls of the shell (1), the transmission motor (301) is connected with the gear box (304) through a transmission shaft (302), the transmission shaft (302) is further provided with a main gear (303), the main gear (303) is matched with the auxiliary gear (209), and the gear box (304) is connected with the rotating wheel (306) through an output shaft (305).

5. The stud bolt machining apparatus according to claim 4, wherein: the intermittent mechanism is positioned in the axial direction of the transmission mechanism, one end of the rotating shaft (402) is rotatably connected with the side wall of the gear box (304), a grooved wheel (403) is fixed on one side of the rotating frame (401), the grooved wheel (403) is matched with the rotating wheel (306) to form a grooved wheel mechanism, four uniformly distributed brackets are arranged on the rotating frame (401), spline grooves (408) are arranged in the brackets, the convex forming die (404) is installed on the brackets, a spline shaft (407) is arranged at the bottom of the convex forming die (404), the spline shaft (407) is matched with the spline grooves (408), a counter bore is arranged at the center of the spline shaft (407), a connecting spring (409) is installed in the counter bore, one end of the connecting spring (409) is connected with the bottom of the counter bore, the other end of the connecting spring is connected with the bottom of the spline grooves (408), and the port of the convex forming die (404) can be flush with the port of the heating pipe (210), four cam blocks (406) which are uniformly distributed are arranged on the rotating block (405), and the cam blocks (406) and the bracket are projected and dislocated in the axial direction.

6. The stud bolt machining apparatus according to claim 5, wherein: the rotating shaft (402) is provided with a positioning sleeve (410), the positioning sleeve (410) is positioned on a shaft section between the rotating block (405) and the rotating frame (401), the positioning sleeve (410) is connected with the bottom of the shell (1) through a fixing plate (413), the fixing part is fixed at the end part of the positioning sleeve (410), the fixing part consists of a magnetic disc (412) and a cam (411), the magnetic disc (412) is fixedly connected with the cam (411), the fixing part is close to the rotating frame (401), the cam (411) is vertically downward, the cam (411) can be matched with the convex forming die (404), and the magnetic disc (412) can adsorb the blank (7) positioned in the convex forming die (404) through magnetic force to prevent the blank (7) from falling off.

7. The stud bolt machining apparatus according to claim 1, wherein: the extrusion mechanism is positioned on the side of the rotating frame (401), the extrusion mechanism further comprises a retainer (601) and a sliding block (604), the retainer (601) is fixed on the side wall of the shell (1), two ends of the retainer (601) are both fixed with guide rods (602), the guide rods (602) are both provided with the sliding blocks (604), the guide rods (602) are also provided with return springs (603), the return springs (603) are positioned between the sliding blocks (604) and the retainer (601), the sliding blocks (604) are fixed with extrusion rods (606) and guide rails (607), the concave forming die (609) is connected with the retainer (601) in a sliding manner through a limiting rod (610), the limiting rod (610) is provided with a limiting spring (611), two ends of the concave forming die (609) are respectively matched with the guide rails (607), the hydraulic cylinder group consists of a front hydraulic cylinder (608) and a rear hydraulic cylinder (605), the front hydraulic cylinder (608) and the rear hydraulic cylinder (605) are fixed on the side wall of the shell (1) and are respectively positioned at two ends of the retainer (601), and can be matched with the sliding block (604) through a telescopic rod, the guide rail (607) can be driven to move under the pushing of the front hydraulic cylinder (608) and the rear hydraulic cylinder (605), so that the concave forming die (609) is pushed to be matched with the convex forming die (404) to form a complete forming die, and meanwhile, the extrusion rod (606) can be matched with two ends of the forming die and extrude the blank (7) in the forming die.

8. The stud bolt machining apparatus according to claim 6, wherein: the thread extrusion mechanism is positioned below the rotating block (405), the lower template (506) is fixedly connected with the bottom of the shell (1) through a fixing block (505), a pair of lower half thread sections are arranged in the lower template (506), a port at one end of the lower template (506) is communicated with the material returning hole (102), the other end of the lower template is connected with a material returning rail (504), the material returning rail (504) is positioned below the rotating frame (401), the push rod (206) can be matched with the material returning rail (504), a pair of upper half thread sections are also arranged in the upper template (501), a pair of positioning rods (502) are fixed on the upper template (501), the positioning rods (502) respectively penetrate through the fixing plate (413) and the fixing side plate (507), the fixing side plate (507) is fixed on the side wall of the shell (1), and positioning springs (503) are arranged on the positioning rods (502), the upper template (501) can be matched with the lower template (506) under the action of the cam block (406), and then the upper half thread section and the lower half thread section on the upper template (501) and the lower template (506) are combined into a complete thread section.