Extrusion forming die for automobile nut plate

Abstract

The invention relates to the technical field of nut machining, in particular to an automobile nut plate extrusion forming die which comprises an extrusion die body, a transfer hole is formed in the extrusion die body, and a tapping component is rotationally installed in the transfer hole. The tapping part is arranged in the extrusion die, the nut can be tapped while being extruded and molded, the production process is simplified, the nut production efficiency is improved, after the nut is extruded and molded, the hydraulic piston is driven downwards through the output rod of the electric push rod, hydraulic oil in the separate push oil cylinder is sucked back to the interior of the hydraulic oil cylinder, and therefore the nut can be tapped. At the moment, the two separate pushing pistons drive the two tapping blocks to be stored in the two storage grooves, so that threads of the tapping blocks cannot be damaged in the next nut extrusion hole forming process, the service life of the die is guaranteed, a scrap suction part in the die can automatically collect metal scrap iron generated by tapping in the extrusion die, and the production efficiency is improved. And the use convenience degree is improved.

Description

Technical Field

[0001] The invention relates to the technical field of nut processing, in particular to an automobile nut plate extrusion molding die. Background Art

[0002] Nuts, also called nuts, are parts that are screwed together with bolts or screws for fastening. They are a must-have component for all manufacturing machinery. According to different materials, they are divided into several types such as carbon steel, stainless steel, and non-ferrous metals. They are widely used for fastening connections between automotive parts. In modern production processes, they are usually obtained by extruding and shaping nut blanks.

[0003] According to the Chinese patent authorization announcement number: CN104128380B, an automobile nut plate extrusion forming die is disclosed. The die utilizes the metal plastic forming principle and processes the blank into a standard style by punching and extruding it. The process is simple, the scrap rate is low, and the quality is reliable. However, the automobile nut plate extrusion forming die is still unable to integrate the nut extrusion shaping and inner hole tapping operations, so that the nut blank after extrusion forming by the die needs to go through a separate tapping process, which makes the nut processing under this technical means not convenient enough and the nut production efficiency is low. Summary of the invention

[0004] To this end, the present invention provides an automobile nut plate extrusion forming die to solve the above-mentioned problems.

[0005] The present invention provides the following technical solution: an automobile nut plate extrusion forming die, comprising an extrusion die, a transfer hole is opened inside the extrusion die, and a tapping component is rotatably installed inside the transfer hole;

[0006] The cam is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts.

[0007] The pushing component includes an L-shaped arch plate slidably mounted inside the slide groove, the bottom of the L-shaped arch plate extends to the inside of the countersunk groove, an internal thread seat is fixedly mounted on the lower part of a side of the L-shaped arch plate away from the perforated column, a feed screw is connected to the internal thread of the internal thread seat, a driven gear is fixedly mounted on the lower part of the outer wall of the feed screw, and two guide square grooves are formed through a side of the countersunk groove away from the perforated column, the two guide square grooves are symmetrically distributed about the central axis of the extrusion die, and a chip suction component is slidably mounted inside the two guide square grooves;

[0008] The chip suction component includes a push bar slidably installed inside the guide square groove, and an electromagnet is fixedly installed on one end of the push bar close to the countersunk groove. The outer side surface of one of the push bars is provided with meshing teeth, and the side of the guide square groove close to the meshing teeth of the push bar is provided with a circular cavity. A push gear is rotatably installed inside the circular cavity, and the push gear meshes with the meshing teeth of the push bar. A torsion bar is fixedly installed on the inner wall of the push gear, and the torsion bar movably passes through the extrusion die.

[0009] As a preferred solution of the present invention, a circular cavity is opened inside the extrusion die, and the circular cavity is located at the bottom of the adapter hole. A motor compartment is opened at the lower part of the outer wall of the extrusion die, and a servo motor is fixedly installed inside the motor compartment. A worm is fixedly installed on the output shaft of the servo motor, and a turbine is meshed on the periphery of the worm. The turbine is located inside the circular cavity, and the inner wall of the turbine is fixedly connected to the lower part of the outer wall of the perforated column.

[0010] As a preferred solution of the present invention, the internal thread seat is slidably located inside the give way groove, the feed screw is located inside the give way groove, and the upper and lower parts of the outer wall of the extrusion mold are provided with a plurality of chip reversing grooves distributed at equal angles, the positions of the chip reversing grooves correspond to the inside of the countersunk groove, and the chip reversing grooves are connected with the inside of the countersunk groove, an axial hole is provided on the top of the chip reversing groove, the axial hole extends to the inside of the circular cavity, and the feed screw is rotatably installed inside the axial hole.

[0011] As a preferred solution of the present invention, the torsion bar is rotatably connected to the through hole of the extrusion die via a bearing, and the torsion bar extends to the inside of the circular cavity.

[0012] As a preferred solution of the present invention, the telescopic column is slidably installed inside the telescopic circular groove, the outer wall of the push piston is slidably connected to the inner wall of the push cylinder, and the outer wall of the hydraulic piston is slidably connected to the inner wall of the hydraulic cylinder.

[0013] As a preferred solution of the present invention, a driving gear is fixedly mounted on the lower portion of the outer wall of the perforated column, and the driven gear is meshed with the driving gear.

[0014] As a preferred solution of the present invention, a driven pulley is fixedly installed at the bottom of the torsion bar, a driving pulley is fixedly installed at the bottom of the feed screw, and a power belt is commonly sleeved between the driven pulley and the driving pulley.

[0015] As a preferred solution of the present invention, a pressure switch is fixedly installed on a side of the countersunk groove away from the perforated column, and the sensing end of the pressure switch abuts against the surface of the electromagnet.

[0016] As a preferred solution of the present invention, one end of the two push bars away from the electromagnet is commonly connected to a connecting rod.

[0017] As a preferred solution of the present invention, the top of the extrusion die is provided with an extrusion upper cover.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, by arranging a tapping component inside the extrusion die, the nut can be tapped while the nut is extruded and shaped, thereby simplifying the production process and improving the nut production efficiency. After the nut is extruded and formed, the hydraulic piston is driven downward by the electric push rod output rod to suck the hydraulic oil inside the push cylinder back into the hydraulic cylinder. At this time, the two push pistons drive the two tapping blocks to be stored in the two storage grooves, so that the thread teeth of the tapping blocks will not be damaged during the next nut extrusion hole forming process, thereby ensuring the service life of the mold.

[0020] 2. In the present invention, during the operation of the tapping component, the pushing component is driven to operate to slowly push the nut upward, thereby performing all the tapping operations on the nut. At the same time, the feed screw in the pushing component drives the active pulley to rotate, and further drives the driven pulley to rotate under the connection of the power belt, and further drives the torsion bar to rotate together with the push gear. The rotation of the push gear drives the push bar meshing with it to slide along the guide square groove, and drives another push bar to move together under the connection of the connecting rod, so that the electromagnets inside the two or more countersunk grooves all move toward the middle of the extrusion die, releasing the pressure touch on the pressure switch, and the pressure switch is turned on. The electromagnet conducts electricity to generate electromagnetic suction, which sucks up the iron filings generated in the tapping process inside the extrusion die, and automatically collects the metal iron filings generated by tapping inside the extrusion die, without the need for manual cleaning, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the side cross-section structure of the extrusion die in the present invention;

[0023] Figure 3It is a schematic diagram of the side section and top section structure of the extrusion die in the present invention;

[0024] Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure of part A;

[0025] Figure 5 It is a schematic diagram of the internal detailed structure of the extrusion die in the present invention;

[0026] Figure 6 For the present invention Figure 5 A schematic diagram of the enlarged structure of part B;

[0027] Figure 7 It is a bottom perspective structural schematic diagram of the tapping component in the present invention;

[0028] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of part C;

[0029] Fig. 9 It is a schematic diagram of the side cross-section structure of the perforated column in the present invention;

[0030] Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure of part D.

[0031] In the figure: 1. extrusion die; 101. adapter hole; 102. slide groove; 103. clearance groove; 104. countersunk groove; 105. chip reversing groove; 106. guide square groove; 107. shaft hole; 108. round cavity; 109. motor compartment; 2. extrusion cover; 3. perforated column; 301. storage groove; 302. telescopic round groove; 303. push cylinder; 304. hydraulic oil hole; 305. hydraulic cylinder; 306. tapping block; 307. telescopic column; 308. push piston; 30 9. Electric push rod; 3010. Hydraulic piston; 3011. Servo motor; 3012. Worm; 3013. Turbine; 401. L-shaped arch plate; 402. Internal thread seat; 403. Feed screw; 405. Driven gear; 406. Driving gear; 501. Push bar; 502. Electromagnet; 503. Pressure switch; 504. Push gear; 505. Torsion bar; 506. Driven pulley; 507. Driving pulley; 508. Power belt; 5010. Linking rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-10 The technical solution provided by the present invention specifically includes the following embodiments:

[0034] Embodiment 1:

[0035] An automobile nut plate extrusion forming die comprises an extrusion die 1, a transfer hole 101 is provided inside the extrusion die 1, a tapping component is rotatably installed inside the transfer hole 101, and an extrusion upper cover 2 is provided on the top of the extrusion die 1;

[0036] The tapping component includes a perforated column 3 rotatably mounted inside the adapter hole 101, and two receiving grooves 301 are provided on the outer wall of the perforated column 3. A telescopic circular groove 302 is provided on the side where the two receiving grooves 301 are close to each other, and a split-pushing oil cylinder 303 is provided between the two telescopic circular grooves 302. A hydraulic oil hole 304 is provided on the bottom wall of the split-pushing oil cylinder 303, and a hydraulic oil cylinder 305 is provided at the bottom of the hydraulic oil hole 304. A tapping block 306 is slidably installed inside the storage groove 301, and a side where the two tapping blocks 306 are close to each other is provided. A telescopic column 307 is fixedly installed, and a push piston 308 is fixedly installed at one end of the telescopic column 307 away from the tapping block 306. An electric push rod 309 is fixedly installed on the bottom wall of the hydraulic cylinder 305, and a hydraulic piston 3010 is fixedly installed on the top of the output rod of the electric push rod 309. A plurality of slide grooves 102 with equal angles are opened on the inner wall of the extrusion die 1, and a yield groove 103 is opened on the inner wall of the slide groove 102. A countersunk groove 104 is opened at the bottom of the slide groove 102, and a pushing component is slidably installed inside the slide groove 102;

[0037] A circular cavity 108 is provided inside the extrusion die 1, and the circular cavity 108 is located at the bottom of the adapter hole 101. A motor compartment 109 is provided at the lower part of the outer wall of the extrusion die 1. A servo motor 3011 is fixedly installed inside the motor compartment 109. A worm 3012 is fixedly installed on the output shaft of the servo motor 3011. A turbine 3013 is meshed with the periphery of the worm 3012. The turbine 3013 is located inside the circular cavity 108, and the inner wall of the turbine 3013 is fixedly connected to the lower part of the outer wall of the perforated column 3.

[0038] Specifically, the present embodiment comprises the following steps: fixing the extrusion cover 2 at the bottom of the output end of the extruder, placing the hot-melt nut blank on the top of the extrusion die 1, starting the extruder to push the extrusion cover 2 downward, pressing the hot-melt blank into the interior of the extrusion die 1, and the blank pressed into the interior of the extrusion die 1 is passed through the perforated column 3 to form a hollow structure, and the outer wall of the blank is formed into the outer angular shape of a hexagonal nut under the extrusion with the inner wall of the extrusion die 1, and the output rod of the electric push rod 309 pushes the hydraulic piston 3010 upward to push the hydraulic oil in the hydraulic cylinder 305 through the hydraulic oil hole 3 04 is injected into the interior of the push cylinder 303, and the hydraulic oil pushes the two push pistons 308 to both sides, driving the two telescopic columns 307 and the two tapping blocks 306 to be ejected to both sides, and then the worm 3012 is driven to rotate by the output shaft of the servo motor 3011, which further drives the turbine 3013 meshing therewith to rotate, and the rotation of the turbine 3013 drives the perforating column 3 to rotate, and the perforating column 3 further drives the two tapping blocks 306 to rotate, and the inner hole of the formed nut is tapped, so that the mold can realize tapping operation while extruding, simplifying the production process and improving the nut production efficiency.

[0039] Furthermore, the telescopic column 307 is slidably installed inside the telescopic circular groove 302, the outer wall of the sub-push piston 308 is slidably connected to the inner wall of the sub-push oil cylinder 303, and the outer wall of the hydraulic piston 3010 is slidably connected to the inner wall of the hydraulic oil cylinder 305. By setting the telescopic circular groove 302, the telescopic column 307 is provided with a telescopic guide effect, thereby ensuring the stability and tracking of the telescopic column 307. Since the outer wall of the hydraulic piston 3010 is slidably connected to the inner wall of the hydraulic oil cylinder 305, the hydraulic piston 3010 can be pushed upward under the thrust of the electric push rod 309, and the hydraulic oil inside the hydraulic oil cylinder 305 is ballasted into the sub-push oil cylinder 303, so that the sub-push oil cylinder 30 The internal oil pressure increases, and the two push pistons 308 are pushed out to both sides, so that the tapping block 306 is pushed out from the receiving groove 301 and abuts against the inner hole surface of the nut under the connection of the telescopic column 307 to tap the nut. After the nut is extruded, the hydraulic piston 3010 is driven downward by the output rod of the electric push rod 309 to suck the hydraulic oil inside the push cylinder 303 back into the hydraulic cylinder 305. At this time, the two push pistons 308 drive the two tapping blocks 306 to be stored in the two receiving grooves 301, so that the thread of the tapping block 306 will not be damaged during the next nut extrusion hole forming process, thereby ensuring the service life of the mold.

[0040] Embodiment 2:

[0041] The pushing component includes an L-shaped arch plate 401 slidably mounted inside the slide groove 102, the bottom of the L-shaped arch plate 401 extends to the inside of the countersunk groove 104, an internal thread seat 402 is fixedly mounted on the lower part of the side of the L-shaped arch plate 401 away from the perforated column 3, the internal thread of the internal thread seat 402 is connected with a feed screw 403, a driven gear 405 is fixedly mounted on the lower part of the outer wall of the feed screw 403, two guide square grooves 106 are penetrated through the side of the countersunk groove 104 away from the perforated column 3, the two guide square grooves 106 are symmetrically distributed about the central axis of the extrusion die 1, and a chip suction component is slidably mounted inside the two guide square grooves 106, a driving gear 406 is fixedly mounted on the lower part of the outer wall of the perforated column 3, and the driven gear 405 is meshed with the driving gear 406;

[0042] The internal thread seat 402 is slidably located inside the give way groove 103, the feed screw 403 is located inside the give way groove 103, and a plurality of chip return grooves 105 with equal angles are provided at the upper and lower parts of the outer wall of the extrusion die 1, the chip return groove 105 is located corresponding to the inside of the countersunk groove 104, the chip return groove 105 is connected to the inside of the countersunk groove 104, and an axial hole 107 is provided at the top of the chip return groove 105, the axial hole 107 extends to the inside of the circular cavity 108, and the feed screw 403 is rotatably installed inside the axial hole 107;

[0043] Specifically, in this embodiment, the perforated column 3 drives the two tapping blocks 306 to rotate to tap the inner hole of the formed nut. The rotation of the perforated column 3 also drives the active gear 406 to rotate, and further drives the driven gear 405 meshing with the active gear 406 to rotate. The rotation of the driven gear 405 drives the feed screw 403 to rotate, and further pushes the internal thread seat 402 connected to the feed screw 403 by a thread upward, driving the L-shaped arch plate 401 to move upward. Since the bottom of the L-shaped arch plate 401 is hooked on the bottom of the nut, the nut is slowly pushed upward, thereby cooperating with the rotation of the two tapping blocks 306 to fully tap the inner hole of the nut until the nut is pushed upward to the upper dead center. The tapping is completed and the nut can be taken out from between the multiple L-shaped arch plates 401 to complete the forming of the nut.

[0044] Embodiment three:

[0045] The chip suction component includes a push bar 501 slidably mounted inside the guide square groove 106, a torsion bar 505 is rotatably connected to the through hole of the extrusion die 1 through a bearing, an electromagnet 502 is fixedly mounted on one end of the push bar 501 close to the countersunk groove 104, one of the push bars 501 has meshing teeth on its outer side, a circular cavity 108 is disposed on one side of the guide square groove 106 close to the meshing teeth of the push bar 501, a push gear 504 is rotatably mounted inside the circular cavity 108, and the push gear 504 meshes with the meshing teeth of the push bar 501, and the push gear 504 meshes with the meshing teeth of the push bar 501. A torsion bar 505 is fixedly installed on the inner wall of the push gear 504. The torsion bar 505 movably penetrates the extrusion die 1 and extends to the inside of the circular cavity 108. The torsion bar 505 is rotatably connected to the through hole of the extrusion die 1 through a bearing. A driven pulley 506 is fixedly installed on the bottom of the torsion bar 505. A driving pulley 507 is fixedly installed on the bottom of the feed screw 403. A power belt 508 is commonly sleeved between the driven pulley 506 and the driving pulley 507. The ends of the two flat push bars 501 away from the electromagnet 502 are commonly connected to a connecting rod 5010.

[0046] A pressure switch 503 is fixedly mounted on one side of the countersunk groove 104 away from the perforated column 3, and the sensing end of the pressure switch 503 abuts against the surface of the electromagnet 502;

[0047] Specifically, in this embodiment, during tapping, the feed screw 403 drives the active pulley 507 to rotate, and further drives the driven pulley 506 to rotate under the connection action of the power belt 508, and further drives the torsion bar 505 to rotate together with the push gear 504. The rotation of the push gear 504 drives the push bar 501 meshing with it to slide along the guide square groove 106, and drives another push bar 501 to move together under the connection of the connecting rod 5010, so that the electromagnets 502 inside the two or more countersunk grooves 104 all move toward the middle of the extrusion die 1, releasing the pressure contact on the pressure switch 503, and the pressure switch 503 is turned on. The electromagnet 502 conducts electricity to generate electromagnetic suction, which sucks up the iron filings generated in the tapping process inside the extrusion die 1, and after the nut extrusion is completed, the servo motor 3011 is started to reverse, so that the perforating column 3 drives the active gear 406 to rotate in the opposite direction. , further drives the driven gear 405 together with the feed screw 403 to rotate, pushing the L-shaped arch plate 401 downward to reset, during which the feed screw 403 drives the active pulley 507 to rotate, and drives the driven pulley 506 together with the torsion bar 505 and the push gear 504 to rotate under the connection of the power belt 508, driving the push bar 501 to move toward the periphery along the guide square groove 106, and drives the electromagnet 502 and the iron filings adsorbed on the surface of the electromagnet 502 to move together, until the electromagnet 502 is against the trigger end of the pressure switch 503 again, the pressure switch 503 controls the electromagnet 502 to cut off the power, and the electromagnet 502 loses its magnetic attraction. Therefore, the iron filings on the surface of the electromagnet 502 fall into the inside of the chip reversing groove 105 and are discharged outward, thereby achieving the effect of automatically cleaning the metal iron filings generated by tapping inside the extrusion die 1, thereby improving the convenience of die use.

[0048] In the present scheme, when the automobile nut plate extrusion forming die is working, the extrusion upper cover 2 is fixedly installed at the bottom of the output end of the extruder, the nut blank in the hot-melt state is placed on the top of the extrusion die 1, the extruder is started to push the extrusion upper cover 2 downward, and the hot-melt blank is pressed into the interior of the extrusion die 1. The blank pressed into the interior of the extrusion die 1 is passed through the perforated column 3 to form a hollow structure, and the outer wall of the blank is formed into the outer angular shape of the hexagonal nut under the extrusion with the inner wall of the extrusion die 1;

[0049] The hydraulic piston 3010 is pushed upward by the output rod of the electric push rod 309, and the hydraulic oil in the hydraulic cylinder 305 is injected into the inside of the push cylinder 303 through the hydraulic oil hole 304. The hydraulic oil pushes the two push pistons 308 to both sides, driving the two telescopic columns 307 and the two tapping blocks 306 to be ejected to both sides. Then, the servo motor 3011 drives the worm 3012 to rotate through the output shaft of the servo motor 3011, and further drives the turbine 3013 engaged therewith to rotate. The rotation of the turbine 3013 drives the perforating column 3 to rotate, and the perforating column 3 further drives the two tapping blocks 306 to rotate, so as to tap the inner hole of the formed nut, so that the mold can realize tapping operation while extruding. , simplifying the production process and improving the nut production efficiency. At the same time, the rotation of the perforated column 3 also drives the active gear 406 to rotate, further driving the driven gear 405 meshing with the active gear 406 to rotate, and the driven gear 405 rotates to drive the feed screw 403 to rotate, and further pushes the internal thread seat 402 connected to the feed screw 403 by thread upward, driving the L-shaped arch plate 401 to move upward. Since the bottom of the L-shaped arch plate 401 is hooked at the bottom of the nut, the nut is slowly pushed upward, thereby cooperating with the rotation of the two tapping blocks 306 to fully tap the inner hole of the nut until the nut is pushed upward to the top dead center. After the tapping is completed, the nut can be taken out from between the multiple L-shaped arch plates 401 to complete the forming of the nut;

[0050] During this period, the feed screw 403 drives the active pulley 507 to rotate, and further drives the driven pulley 506 to rotate under the connection of the power belt 508, and further drives the torsion bar 505 to rotate together with the push gear 504. The rotation of the push gear 504 drives the push strip 501 meshing with it to slide along the guide square groove 106, and drives another push strip 501 to move together under the connection of the connecting rod 5010, so that the electromagnet 502 inside the two or more countersunk grooves 104 moves toward the middle of the extrusion die 1, releasing the pressure contact on the pressure switch 503, and the pressure switch 503 is turned on. The electromagnet 502 conducts electricity to generate electromagnetic suction, which sucks up the iron filings generated in the tapping process inside the extrusion die 1, and after the nut extrusion is completed, the servo motor 3011 is started to reverse. The perforated column 3 drives the driving gear 406 to rotate in the reverse direction, and further drives the driven gear 405 together with the feed screw 403 to rotate, pushing the L-shaped arch plate 401 downward to reset. During this period, the feed screw 403 drives the driving pulley 507 to rotate, and drives the driven pulley 506 together with the torsion bar 505 and the push gear 504 to rotate under the connection of the power belt 508, driving the push bar 501 to move toward the periphery along the guide square groove 106, and drives the electromagnet 502 and the iron filings adsorbed on the surface of the electromagnet 502 to move together, until the electromagnet 502 is against the trigger end of the pressure switch 503 again, and the pressure switch 503 controls the electromagnet 502 to cut off the power, and the electromagnet 502 loses its magnetic attraction, so that the iron filings on the surface of the electromagnet 502 fall into the inside of the chip reversing groove 105 and are discharged to the outside.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile nut plate extrusion forming die, characterized in that: It comprises an extrusion die (1), wherein a transfer hole (101) is provided inside the extrusion die (1), and a tapping component is rotatably installed inside the transfer hole (101); The tapping component comprises a perforated column (3) rotatably mounted inside the adapter hole (101), two receiving grooves (301) are provided on the outer wall of the perforated column (3), a telescopic circular groove (302) is provided on the adjacent side of the two receiving grooves (301), a split-pushing oil cylinder (303) is provided between the two telescopic circular grooves (302), a hydraulic oil hole (304) is provided on the bottom wall of the split-pushing oil cylinder (303), a hydraulic oil cylinder (305) is provided at the bottom of the hydraulic oil hole (304), a tapping block (306) is slidably mounted inside the receiving groove (301), and a side adjacent to the two tapping blocks (306) is provided. A telescopic column (307) is fixedly installed on each surface, a push piston (308) is fixedly installed on one end of the telescopic column (307) away from the tapping block (306), an electric push rod (309) is fixedly installed on the bottom wall of the hydraulic cylinder (305), a hydraulic piston (3010) is fixedly installed on the top of the output rod of the electric push rod (309), a plurality of slide grooves (102) distributed at equal angles are opened on the inner wall of the extrusion die (1), a yield groove (103) is opened on the inner wall of the slide groove (102), a countersunk groove (104) is opened at the bottom of the slide groove (102), and a pushing component is slidably installed inside the slide groove (102); The pushing component comprises an L-shaped arch plate (401) slidably mounted inside the slide groove (102), the bottom of the L-shaped arch plate (401) extending to the inside of the countersunk groove (104), an internal thread seat (402) fixedly mounted on the lower part of a side of the L-shaped arch plate (401) away from the perforated column (3), the internal thread of the internal thread seat (402) is connected to a feed screw (403), a driven gear (405) is fixedly mounted on the lower part of the outer wall of the feed screw (403), two guide square grooves (106) are provided through the side of the countersunk groove (104) away from the perforated column (3), the two guide square grooves (106) are symmetrically distributed about the central axis of the extrusion die (1), and a chip suction component is slidably mounted inside the two guide square grooves (106); The chip suction component comprises a push bar (501) slidably mounted inside the guide square groove (106); an electromagnet (502) is fixedly mounted on one end of the push bar (501) close to the countersunk groove (104); an outer side surface of one of the push bars (501) is provided with meshing teeth; a circular cavity (108) is provided on one side of the guide square groove (106) close to the meshing teeth of the push bar (501); a push gear (504) is rotatably mounted inside the circular cavity (108); the push gear (504) meshes with the meshing teeth of the push bar (501); a torsion bar (505) is fixedly mounted on the inner wall of the push gear (504); the torsion bar (505) movably penetrates the extrusion die (1).

2. The automotive nut plate extrusion forming die according to claim 1, characterized in that: A circular cavity (108) is provided inside the extrusion die (1), and the circular cavity (108) is located at the bottom of the adapter hole (101). A motor compartment (109) is provided at the lower portion of the outer wall of the extrusion die (1). A servo motor (3011) is fixedly installed inside the motor compartment (109). A worm (3012) is fixedly installed on the output shaft of the servo motor (3011). A turbine (3013) is meshed with the outer periphery of the worm (3012). The turbine (3013) is located inside the circular cavity (108), and the inner wall of the turbine (3013) is fixedly connected to the lower portion of the outer wall of the perforated column (3).

3. The automobile nut plate extrusion forming die according to claim 1, characterized in that: The internal thread seat (402) is slidably located inside the give way groove (103), and the feed screw (403) is located inside the give way groove (103). The upper and lower parts of the outer wall of the extrusion die (1) are provided with a plurality of chip removal grooves (105) distributed at equal angles. The positions of the chip removal grooves (105) correspond to the inside of the countersunk groove (104), and the chip removal grooves (105) are connected to the inside of the countersunk groove (104). The top of the chip removal groove (105) is provided with an axial hole (107), and the axial hole (107) extends to the inside of the circular cavity (108). The feed screw (403) is rotatably installed inside the axial hole (107).

4. The automobile nut plate extrusion forming die according to claim 1, characterized in that: The torsion bar (505) is rotatably connected to the through hole of the extrusion die (1) via a bearing, and the torsion bar (505) extends to the inside of the circular cavity (108).

5. The automobile nut plate extrusion forming die according to claim 1, characterized in that: The telescopic column (307) is slidably installed inside the telescopic circular groove (302), the outer wall of the push piston (308) is slidably connected to the inner wall of the push cylinder (303), and the outer wall of the hydraulic piston (3010) is slidably connected to the inner wall of the hydraulic cylinder (305).

6. The automobile nut plate extrusion forming die according to claim 1, characterized in that: A driving gear (406) is fixedly mounted on the lower portion of the outer wall of the perforated column (3), and the driven gear (405) is meshed with the driving gear (406).

7. The automobile nut plate extrusion forming die according to claim 1, characterized in that: A driven pulley (506) is fixedly mounted on the bottom of the torsion bar (505), a driving pulley (507) is fixedly mounted on the bottom of the feed screw rod (403), and a power belt (508) is sleeved between the driven pulley (506) and the driving pulley (507).

8. The automobile nut plate extrusion forming die according to claim 1, characterized in that: A pressure switch (503) is fixedly mounted on a side of the countersunk groove (104) away from the perforated column (3), and a sensing end of the pressure switch (503) abuts against the surface of the electromagnet (502).

9. The automobile nut plate extrusion forming die according to claim 1, characterized in that: One end of the two push bars (501) away from the electromagnet (502) is commonly connected to a connecting rod (5010).

10. The automobile nut plate extrusion forming die according to claim 1, characterized in that: The top of the extrusion die (1) is provided with an extrusion upper cover (2).

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