CN113084076B

CN113084076B - Cold heading machine is used in production of car fastener

Info

Publication number: CN113084076B
Application number: CN202110311589.7A
Authority: CN
Inventors: 余家祥
Original assignee: Jiangsu Baote Auto Parts Co ltd
Current assignee: Jiangsu Baote Auto Parts Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2022-01-18
Anticipated expiration: 2041-03-24
Also published as: CN113084076A

Abstract

The invention discloses a cold header for producing automobile fasteners, which comprises a hydraulic cylinder, a straightening mechanism, a blanking mechanism and a cleaning box, wherein the straightening mechanism comprises an outer cylinder, the inner side of the outer cylinder is provided with a slide way, three straightening blocks are embedded in the slide way in a sliding way, one end of the outer cylinder is provided with three first driving motors, the three first driving motors are respectively in transmission connection with the three straightening blocks through a first threaded rod, the outer cylinder is provided with three groups of rollers positioned outside one end of the first driving motor, in the invention, the three groups of rollers in an annular array are arranged in the straightening mechanism to realize the primary straightening operation of materials, the outer cylinder is arranged, the three straightening blocks are embedded in the outer cylinder in a sliding way, the stepped transmission of the straightening blocks is realized through the mutual matching among the first driving motors, the first threaded rod and a limiting block, and the three straightening blocks are combined to form a tubular structure, the straightening operation of the material can be better realized.

Description

Cold heading machine is used in production of car fastener

Technical Field

The invention relates to a cold header for producing an automobile fastener.

Background

The cold header is special equipment which takes piers as main parts and is specially used for producing fasteners such as nuts and bolts in batches; the earliest cold headers in the world were sourced from germany, the purpose of cold headers at that time was primarily to mass produce cartridge cases for the second major war.

The existing cold header is internally provided with a straightening mechanism, raw materials can be processed after being straightened, but most of the existing cold header is straightened by two rows of rollers, but when the straightening rollers are worn in the long-term use process or the rotating shaft is deviated to a certain degree, the straightening effect cannot reach the required effect, so that the straightening mechanism needs to be improved; lubricating oil can be possibly adhered to the workpiece in the working process of the cold header, so that the later stage of the workpiece can be influenced to a certain extent, the lubricating oil needs to be cleaned, and the cleanliness of the workpiece is guaranteed.

Disclosure of Invention

The invention aims to provide a cold header for producing automobile fasteners, which solves the problems that the adjusting effect of a straightening mechanism of the existing cold header is poor and lubricating oil is possibly adhered to a workpiece.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a cold heading machine is used in production of auto fastener, includes the frame, fixedly connected with pneumatic cylinder in the frame, and the output fixedly connected with drift of pneumatic cylinder, the front end fixedly connected with aligning mechanism of frame is located aligning mechanism's below and is provided with unloading mechanism, the below fixedly connected with that is located the pneumatic cylinder in the frame washs the case, and washs and communicate the setting each other between case and the unloading mechanism, aligning mechanism includes the urceolus, the slide has been seted up to the inboard of urceolus, and the inside cunning of slide has three alignment piece, the one end of urceolus is provided with three first driving motor, and three first driving motor is connected through the transmission between first threaded rod and the three alignment piece respectively, the one end outside that the urceolus is located first driving motor is provided with three gyro wheels of group.

As a further description of the above technical solution:

it is three equal annular array has two stoppers on the outer wall of alignment piece, and stopper on the three alignment piece respectively with in the slide between the spout of difference slide the sliding fit, it is three first threaded rod and the threaded connection in two stoppers of alignment piece that first driving motor output transmission is connected, the slide bar has been inlayed to the cunning in another stopper.

As a further description of the above technical solution:

the urceolus is provided with the mounting disc near the one end outside of first driving motor, and annular array has three curb plates of group on the mounting disc, and every group all is provided with two in three curb plates of group to all rotate between two curb plates and be connected with two gyro wheels, two an outside bolt fixedly connected with third driving motor in the curb plate, and third driving motor's output and the transmission in two gyro wheels are connected, connect through belt transmission between two gyro wheel pivots.

As a further description of the above technical solution:

the terminal outside of alignment mechanism is provided with the cover plate, and the cover plate cunning inlays in the inboard of frame, the cover plate front view is the structure of falling U-shaped, and the terminal fixedly connected with rubber ring of cover plate to through a plurality of extrusion spring elastic connection between rubber ring and the frame, the front end fixedly connected with of pneumatic cylinder is on a parallel with a plurality of push rods of its axial setting, and the vertical terminal surface setting of a plurality of push rods corresponding cover plate.

As a further description of the above technical solution:

unloading mechanism includes the unloading slide, the unloading slide runs through the frame and extends to the top of washing tank, and the dry mechanism of bolt fixedly connected with on the lateral wall of unloading slide, the terminal below of unloading slide is provided with electric telescopic handle, and electric telescopic handle's top fixedly connected with perpendicular to unloading slide axis setting's baffle to the baffle runs through the unloading slide and extends to its inboard.

As a further description of the above technical solution:

the top of wasing the case runs through the below that the frame extends to the cover plate, and the inside of just wasing the case is provided with lifting mechanism.

As a further description of the above technical solution:

the lifting mechanism comprises a supporting plate, a bolt is fixedly connected with a second driving motor below one end of the supporting plate, a threaded sleeve is connected to the other end below in a rotating mode, the second driving motor and the threaded sleeve are connected through synchronous belt transmission, a lifting plate is embedded in the cleaning box in a sliding mode, the center of the lifting plate is connected with a rotary table in a rotating mode, a fixedly connected with second threaded rod is arranged in the center of the rotary table, and the second threaded rod is connected with the threaded sleeve in a threaded mode.

As a further description of the above technical solution:

the upper end face of the lifting plate is obliquely arranged, the inclined face of the lifting plate faces one side of the discharging slide way, three stirring rods are arranged on the outer wall of the threaded sleeve in an annular array mode and extend to the upper portion of the rotary table, and a plurality of through holes are formed in the rotary table in the annular array mode.

The invention has at least the following beneficial effects:

the pre-straightening mechanism is arranged at a material conveying position, the pre-straightening mechanism is internally provided with three groups of rollers in an annular array to realize primary straightening operation on materials, the outer barrel is arranged, three straightening blocks are slidably embedded in the outer barrel, stepped transmission on the straightening blocks is realized through mutual matching among the first driving motor, the first threaded rod and the limiting block, and the three straightening blocks are combined to form a tubular structure, so that the straightening operation on the materials can be better realized;

the cover plate is arranged on the outer side of the hydraulic cylinder, lubricating oil can be prevented from splashing to a processing position during processing by the synchronously moving cover plate, meanwhile, the cleaning box with a certain height is arranged, the external lubricating oil can be further blocked, after a workpiece drops into the cleaning box, the workpiece is cleaned by organic cleaning liquid in the cleaning box, the threaded sleeve is driven to rotate by the second driving motor, and the threaded sleeve and the second threaded rod are in threaded transmission, so that the height change of the supporting plate and the rotary table is realized;

through lifting work piece to unloading slide position department, the unloading operation can be accomplished to the work piece, carries out the separation to the work piece through electric telescopic handle interlock baffle, starts dry mechanism work simultaneously, realizes the dry operation to the work piece to the state of work piece is good when guaranteeing the ejection of compact.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 illustrates an isometric view provided according to an embodiment of the present invention;

FIG. 2 illustrates a left-right isometric view provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates an exploded view of a straightening mechanism provided in accordance with an embodiment of the present invention;

fig. 4 is a view showing a structure of a protective cover installation structure provided according to an embodiment of the present invention;

FIG. 5 illustrates a protective cover structure provided according to an embodiment of the present invention;

FIG. 6 is a view showing an installation structure of a cleaning mechanism provided according to an embodiment of the present invention;

fig. 7 is a diagram showing a structure of a lifting mechanism provided according to an embodiment of the present invention.

In the figure: 1. a frame; 2. a hydraulic cylinder; 3. a straightening mechanism; 301. an outer cylinder; 302. a slideway; 303. straightening blocks; 304. a limiting block; 305. a first drive motor; 306. a first threaded rod; 307. a slide bar; 308. mounting a disc; 4. a blanking mechanism; 401. a blanking slideway; 402. a drying mechanism; 403. an electric telescopic rod; 404. a baffle plate; 5. a cover plate; 501. a rubber ring; 6. a cleaning tank; 7. a lifting mechanism; 701. a support plate; 702. a second drive motor; 703. a threaded sleeve; 704. a synchronous belt; 705. a stirring rod; 706. a second threaded rod; 707. lifting the plate; 708. a turntable; 709. a through hole; 8. a compression spring; 9. a side plate; 10. a roller; 11. a third drive motor; 12. a belt; 13. a push rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Referring to fig. 1-7, a cold header for producing automobile fasteners comprises a frame 1, a hydraulic cylinder 2 fixedly connected to the frame 1, a punch fixedly connected to an output end of the hydraulic cylinder 2, a cutting mechanism disposed at a position corresponding to a position of a material conveying hole, a straightening mechanism 3 fixedly connected to a front end of the frame 1, a blanking mechanism 4 disposed below the straightening mechanism 3, a cleaning tank 6 fixedly connected to a lower portion of the hydraulic cylinder 2 in the frame 1, the cleaning tank 6 and the blanking mechanism 4 being communicated with each other, the straightening mechanism 3 including an outer cylinder 301, a slide 302 disposed on an inner side of the outer cylinder 301, three straightening blocks 303 slidably embedded in the slide 302, three first driving motors 305 disposed at one end of the outer cylinder 301, and the three first driving motors 305 being in transmission connection with the three straightening blocks 303 through first threaded rods 306, the outer walls of the three straightening blocks 303 are all annularly arrayed with two limiting blocks 304, the limiting blocks 304 on the three straightening blocks 303 are respectively matched with different sliding grooves in the sliding ways 302 in a sliding and embedding manner, a first threaded rod 306 in transmission connection with the output end of three first driving motors 305 is in threaded connection with one of the two limiting blocks 304 of the straightening blocks 303, a sliding rod 307 is embedded in the other limiting block 304 in a sliding manner, in the material conveying process, the three straightening blocks 303 are sequentially transmitted from the outer side to the inner side, the three first driving motors 305 are started to rotate in the forward direction, the straightening blocks 303 on the outer side move outwards firstly through the threaded connection between the first threaded rod 306 and the straightening blocks 303, so that the pre-straightened materials are straightened again, then the second straightening block 303 moves outwards, and finally the third straightening block 303 moves outwards, and the three straightening blocks 303 are arranged in a fitting manner, thereby, the connection is a tubular structure, the effect of straightening the material is ensured, in the process that the material is pushed to the hydraulic cylinder 2, the three first driving motors 305 synchronously rotate reversely, the three straightening blocks 303 synchronously slide towards the inner part of the outer cylinder 301, the slippage of the material is matched, in the material processing process, the straightening blocks 303 repeat the operation, the cycle is repeated, the straightening effect is ensured, three groups of rollers 10 are arranged outside one end of the outer cylinder 301, which is positioned at the first driving motor 305, the outer side of one end of the outer cylinder 301, which is close to the first driving motor 305, is provided with a mounting disc 308, an annular array is provided with three groups of side plates 9 on the mounting disc 308, each group of the three groups of side plates 9 is provided with two rollers, two rollers 10 are rotatably connected between the two side plates 9, one outer bolt in the two side plates 9 is fixedly connected with a third driving motor 11, and the output end of the third driving motor 11 is in transmission connection with one of the two rollers 10, connect through belt 12 transmission between two gyro wheel 10 pivots, synchronous rotation through three third driving motor 11, the material realizes moving 3 one sides of alignment mechanism through the transmission of three gyro wheels 10 of group, set the structure to the indent with setting up of three gyro wheels 10 of group, can be better and laminate between the material, simultaneously because with the gyro wheel 10 of group be provided with two, certain length has, thereby can carry out preliminary pre-alignment operation to the material, be convenient for its follow-up entering alignment mechanism 3 inside, have the effect to material transmission simultaneously concurrently.

Example two

Referring to fig. 1-7, a cold header for producing automobile fasteners comprises a frame 1, a hydraulic cylinder 2 is fixedly connected to the frame 1, a punch is fixedly connected to an output end of the hydraulic cylinder 2, a straightening mechanism 3 is fixedly connected to a front end of the frame 1, a cover plate 5 is arranged on an outer side of a tail end of the straightening mechanism 3, the cover plate 5 is slidably embedded in an inner side of the frame 1, a front view of the cover plate 5 is in an inverted U-shaped structure, a rubber ring 501 is fixedly connected to the tail end of the cover plate 5, the rubber ring 501 ensures good sealing performance with the frame 1 and prevents lubricating oil from entering a cavity channel behind, the rubber ring 501 is elastically connected with the frame 1 through a plurality of extrusion springs 8, a plurality of push rods 13 arranged in parallel to an axial direction of the hydraulic cylinder 2 are fixedly connected to a front end of the hydraulic cylinder 2, the plurality of push rods 13 are arranged corresponding to a vertical end face of the cover plate 5, the hydraulic cylinder 2 is started to extend, the push rods 13 at the top end of the hydraulic cylinder 2 to push the cover plate 5, the cleaning box is slidably embedded into the inner side of a rack 1, the direct contact between splashed lubricating oil and a workpiece is avoided to a certain extent by arranging a cover plate 5 above a processing position, the cover plate 5 pushed into the rack 1 is reset under the action of an extrusion spring 8 to ensure the subsequent normal operation, a blanking mechanism 4 is arranged below a straightening mechanism 3, the blanking mechanism 4 comprises a blanking slideway 401, the blanking slideway 401 penetrates through the rack 1 and extends to the top end of a cleaning box 6, the top end of the cleaning box 6 penetrates through the rack 1 and extends to the lower part of the cover plate 5, a lifting mechanism 7 is arranged inside the cleaning box 6, the lifting mechanism 7 comprises a support plate 701, a second driving motor 702 is fixedly connected below one end of the support plate 701 through a bolt, a threaded sleeve 704 is rotatably connected below the other end of the support plate 701, the second driving motor 702 and the threaded sleeve 703 are in transmission connection through a synchronous belt, and a lifting plate 707 is slidably embedded into the cleaning box 6, a turntable 708 is rotatably connected to the center of a lifting plate 707, a second threaded rod 706 is fixedly connected to the center of the turntable 708, the second threaded rod 706 is in threaded connection with a threaded sleeve 703, the upper end surface of the lifting plate 707 is obliquely arranged, the inclined surface of the lifting plate 707 faces one side of the blanking chute 401, three stirring rods 705 are arranged on the outer wall of the threaded sleeve 703 in an annular array mode, the three stirring rods 705 extend to the upper portion of the turntable 708, a plurality of through holes 709 are formed in the annular array on the turntable 708, a processed workpiece directly falls into a cleaning box 6, the grease stain is conveniently removed by adding an organic solvent into the cleaning box 6, a second driving motor 702 is started to rotate, the second driving motor 702 transmits the threaded sleeve through a synchronous belt 704, when the threaded sleeve 703 rotates, the second threaded rod 706 is driven to move upwards, the turntable 708 and the supporting plate 701 are connected with the lower portion to rotate together, because the supporting plate 701 rises, the turntable 708 rotates inside the supporting plate and is matched with the stirring rod 705 which rotates outside, the workpiece can be stirred, after reciprocating up and down movement for many times, the workpiece can be cleaned more efficiently, finally the supporting plate 701 lifts the workpiece to a position which is overlapped with the blanking slideway 401, because the upper end surface of the supporting plate 701 is arranged obliquely, the workpiece can roll down to the blanking slideway 401 for subsequent operation, the drying mechanism 402 is fixedly connected on the side wall of the blanking slideway 401 through bolts, the electric telescopic rod 403 is arranged below the tail end of the blanking slideway 401, the top end of the electric telescopic rod 403 is fixedly connected with the baffle 404 which is perpendicular to the axis of the blanking slideway 401, the baffle 404 penetrates through the blanking slideway 401 and extends to the inner side of the blanking slideway 401, the cleaning box 6 is fixedly connected below the hydraulic cylinder 2 in the frame 1, and the cleaning box 6 and the blanking mechanism 4 are communicated with each other, the electric telescopic rod 403 extends to drive the baffle 404 to the inner part of the blanking slideway 401, the workpiece is blocked, the drying mechanism 402 at the outer side is started to act, the hot air flow of the drying mechanism 402 directly acts on the workpiece through the hole, thereby realizing the drying operation of the workpiece, after the drying is finished, the electric telescopic rod 403 retracts, the baffle 404 loses the limiting function, thereby carrying out the blanking operation of the workpiece, the straightening mechanism 3 comprises an outer cylinder 301, the inner side of the outer cylinder 301 is provided with a slideway 302, three straightening blocks 303 are slidably embedded in the slide way 302, one end of the outer cylinder 301 is provided with three first driving motors 305, and the three first driving motors 305 are respectively in transmission connection with the three straightening blocks 303 through the first threaded rods 306, and three sets of rollers 10 are arranged on the outer side of one end of the outer cylinder 301, which is located at the first driving motor 305.

The working principle is as follows: through the synchronous rotation of the three third driving motors 11, the material moves to one side of the straightening mechanism 3 through the transmission of the three groups of rollers 10, the three groups of rollers 10 are arranged to be inwards concave, the material can be better attached to the material, meanwhile, because the same group of rollers 10 are provided with two rollers and have certain length, the preliminary pre-straightening operation can be carried out on the material, the subsequent material can conveniently enter the straightening mechanism 3, the material transmission effect is achieved, in the material conveying process, the three straightening blocks 303 are sequentially transmitted from the outer side to the inner side, the three first driving motors 305 are started to rotate in the forward direction, the straightening blocks 303 at the outer side move to the outer side firstly through the threaded connection between the first threaded rod 306 and the straightening blocks 303, so that the subsequent straightening operation is carried out on the material which is subjected to the pre-straightening, and then the second straightening blocks 303 move to the outer side, finally, the third straightening block 303 moves outwards, the three straightening blocks 303 are attached to each other to form a tubular structure, the straightening effect of the materials is guaranteed, in the process that the materials are pushed to the hydraulic cylinder 2, the three first driving motors 305 synchronously rotate in the opposite directions, the three straightening blocks 303 synchronously slide towards the inner part of the outer cylinder 301 to match the sliding of the materials, in the process that the materials are processed, the straightening blocks 303 repeat the operation, the operation is repeated in the process of processing the materials, the straightening effect is guaranteed, the hydraulic cylinder 2 is started to extend, the cover plate 5 is pushed by the push rod 13 at the top end of the hydraulic cylinder 2 to be embedded into the inner side of the rack 1 in a sliding mode, the cover plate 5 is arranged above the processing position to prevent the splashed lubricating oil from directly contacting with the workpiece to a certain extent, the cover plate 5 pushed into the rack 1 is reset under the action of the extrusion spring 8 to guarantee the subsequent normal operation, the processed workpiece directly falls into the cleaning box 6, the cleaning box 6 is added with an organic solvent to facilitate the dropping of oil stains, the second driving motor 702 is started to rotate, the second driving motor 702 drives the threaded sleeve 703 through a synchronous belt 704, when the threaded sleeve 703 rotates, a second threaded rod 706 is driven by threads to move upwards, a turntable 708 and a lifting plate 707 which are connected with the lower part of the second threaded rod in a rotating mode move upwards together, the turntable 708 rotates at the inner side of the lifting plate 707 while the lifting plate 707 rises and is matched with an externally rotating stirring rod 705 to stir the workpiece, after the workpiece is reciprocated and ascended and descended repeatedly, the workpiece can be cleaned more efficiently, and finally the lifting plate 707 lifts the workpiece to a position which is overlapped with the blanking slideway 401, and the upper end of the lifting plate 707 is obliquely arranged, so that the workpiece can roll downwards into the blanking slideway 401 to perform subsequent operation, the electric telescopic rod 403 extends to transmit the baffle 404 to the interior of the blanking slideway 401, so that the workpiece is blocked, meanwhile, the drying mechanism 402 on the outer side is started to act, hot air of the drying mechanism 402 directly acts on the workpiece through the hole, so that the drying operation on the workpiece is realized, after the drying is finished, the electric telescopic rod 403 retracts, the baffle 404 loses the limiting effect, and the blanking operation on the workpiece is performed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cold heading machine is used in auto fastener production, includes frame (1), fixedly connected with pneumatic cylinder (2) is gone up in frame (1), and the output fixedly connected with drift of pneumatic cylinder (2), the front end fixedly connected with straightening mechanism (3) of frame (1), the below that is located straightening mechanism (3) is provided with unloading mechanism (4), below fixedly connected with that lies in pneumatic cylinder (2) in frame (1) washs case (6), and washs and communicate the setting each other between case (6) and unloading mechanism (4), a serial communication port, straightening mechanism (3) are including urceolus (301), slide (302) have been seted up to the inboard of urceolus (301), and the inside cunning of slide (302) has inlayed three straightening piece (303), the one end of urceolus (301) is provided with three first driving motor (305), and three first driving motor (305) are respectively through transmission threaded rod (306) and three straightening piece (303) between first straightening piece (303) The outer barrel (301) is provided with three groups of rollers (10) outside one end of a first driving motor (305), the outer side of the tail end of the straightening mechanism (3) is provided with a cover plate (5), the cover plate (5) is slidably embedded on the inner side of the rack (1), the front view of the cover plate (5) is of an inverted U-shaped structure, the tail end of the cover plate (5) is fixedly connected with a rubber ring (501), the rubber ring (501) is elastically connected with the rack (1) through a plurality of extrusion springs (8), the front end of the hydraulic cylinder (2) is fixedly connected with a plurality of push rods (13) which are arranged in parallel to the axial direction of the hydraulic cylinder, the push rods (13) are arranged corresponding to the vertical end face of the cover plate (5), the outer walls of the three straightening blocks (303) are provided with two limit blocks (304) in an annular array, and the limit blocks (304) on the three straightening blocks (303) are respectively in sliding and embedded fit with different sliding chutes in the sliding ways (302), the three first threaded rods (306) in transmission connection with the output end of the first driving motor (305) are in threaded connection with one of the two limiting blocks (304) of the straightening block (303), and a sliding rod (307) is embedded in the other limiting block (304) in a sliding manner.

2. The cold heading machine for producing the automobile fastener is characterized in that a mounting disc (308) is arranged on the outer side of one end, close to a first driving motor (305), of the outer cylinder (301), three groups of side plates (9) are arranged on the mounting disc (308) in an annular array mode, two rollers (10) are rotatably connected between the two side plates (9), a third driving motor (11) is fixedly connected to one outer side of the two side plates (9), the output end of the third driving motor (11) is in transmission connection with one of the two rollers (10), and rotating shafts of the two rollers (10) are in transmission connection through a belt (12).

3. The cold heading machine for automobile fastener production according to claim 2, wherein the blanking mechanism (4) comprises a blanking slide way (401), the blanking slide way (401) penetrates through the rack (1) and extends to the top end of the cleaning box (6), a drying mechanism (402) is fixedly connected to a side wall of the blanking slide way (401) through bolts, an electric telescopic rod (403) is arranged below the tail end of the blanking slide way (401), a baffle plate (404) perpendicular to the axis of the blanking slide way (401) is fixedly connected to the top end of the electric telescopic rod (403), and the baffle plate (404) penetrates through the blanking slide way (401) and extends to the inner side of the blanking slide way.

4. The cold heading machine for automobile fastener production according to claim 3, wherein the top end of the cleaning tank (6) extends through the frame (1) to below the cover plate (5), and the inside of the cleaning tank (6) is provided with a lifting mechanism (7).

5. The cold heading machine for producing the automobile fasteners as claimed in claim 4, wherein the lifting mechanism (7) comprises a supporting plate (701), a second driving motor (702) is fixedly connected to a lower portion of one end of the supporting plate (701) through a bolt, a threaded sleeve (703) is rotatably connected to a lower portion of the other end of the supporting plate (701), the second driving motor (702) and the threaded sleeve (703) are in transmission connection through a synchronous belt (704), a lifting plate (707) is slidably embedded in the cleaning box (6), a rotary table (708) is rotatably connected to a central position of the lifting plate (707), a second threaded rod (706) is fixedly connected to a central position of the rotary table (708), and the second threaded rod (706) is in threaded connection with the threaded sleeve (703).

6. The cold heading machine for producing the automobile fastener is characterized in that the upper end face of the lifting plate (707) is arranged in an inclined mode, the inclined face of the lifting plate (707) faces one side of the blanking chute (401), three stirring rods (705) are arranged on the outer wall of the threaded sleeve (703) in an annular array mode, the three stirring rods (705) extend to the upper portion of the rotary table (708), and a plurality of through holes (709) are formed in the rotary table (708) in the annular array mode.