CN217095544U - Butterfly nut's processingequipment - Google Patents

Abstract

The utility model discloses a processingequipment of butterfly nut, including nut cold heading machine main part, nut cold heading machine main part includes the frame, is equipped with feed arrangement, cutting device, a plurality of vice cold heading modules on the frame, moves the blevile of push of material device and cooperation cold heading module, characterized by, a plurality of vice cold heading modules are equipped with material reversing mechanism including the blanking die, the whole material mould, the die of pressing the ball, the mould of bending, the mould of punching a hole and the mould of pressing the wing that set gradually between ball mould and the mould of bending. The utility model has the advantages that the reversing of the mold rod between the ball pressing mold and the bending mold is completed through the material reversing mechanism, the bending efficiency of the mold rod is ensured, because the mold rod is reversed, the round ball in the middle of the mold rod can be synchronously pre-pressed when bending is performed, a blind hole is formed, the forming of a through hole can be completed through the deepening cold heading of the blind hole, the hole forming is convenient, the hole forming process can not generate interference and influence on the mold rods at the two ends of the round ball, and the wing pressing forming quality of the butterfly nut is ensured; the forming efficiency of the butterfly nut is improved.

Description

Butterfly nut's processingequipment

Technical Field

The application relates to the technical field of butterfly nut processing, in particular to a butterfly nut processing device.

Background

The butterfly nut is a nut, and the shape is like the butterfly, and when the butterfly nut used, relies on bare-handed rotatory nut both wings, produces torsion, reaches the purpose of fastening, in order to increase butterfly nut resistance, prevents that the nut from sliding, generally need place a slice gasket in the bottom of butterfly nut when using. Wing nuts are typically used in parts that are removed relatively frequently due to their easy freehand use and the ability to use the wing nut without the aid of other removal tools. The wing nuts in the prior art are usually produced by cold heading or stamping.

For example, in chinese patent literature, patent No. CN 2016109271243 discloses an invention patent entitled "a wing nut and its production process, and a stamping device" in 2017, 1 month and 11 days, and this application discloses a wing nut and its production process, and a stamping device, where the production process includes the steps of cold heading, punch forming, pressing both wings, punching, riveting a gasket, and tapping; stamping device includes the lower mould base, and fixed surface installs the lower mould post on the lower mould base, is equipped with the lower die cavity that holds the lower mould in the middle of the lower mould post, lower die cavity bottom is equipped with the thimble that runs through the lower mould base, and the thimble top contacts with the lower mould lower surface, and the bottom contacts with thimble spring, goes up the mould and links to each other with the punch press slider, and corresponds each other with the lower mould, it is equipped with the annular groove of mutual correspondence to go up mould lower surface and lower mould upper surface, be equipped with an annular step on the lower mould post top inner wall.

For another example, in chinese patent document, patent No. CN2019110545178, which is published in 2/7/2020 and entitled "an invention patent for a die and a process for processing a wing nut using the die", relates to a die for processing a wing nut, and is characterized in that: the device comprises a blanking die, a material shaping die, a ball pressing die, a bending die, a fin pressing die and a punching die which are arranged on special processing equipment for the butterfly nut and are oppositely and continuously arranged.

The prior art has the defects that the punching is positioned in the last cold heading or punching process of butterfly nut forming, the stamping die is carried out after the wing pressing forming, the bending die and the punching die correspond to the vertical direction of a material rod, the die closing direction of the wing pressing die is vertical to the bending die, the die material after the wing pressing is inconvenient to reverse, and the wing pressing quality can be influenced during subsequent punching.

Disclosure of Invention

Based on prior art's the aforesaid is not enough, the utility model provides a butterfly nut's processingequipment constructs through new mould and process, will press the wing process to set up at last position, and butterfly nut's switching-over is comparatively convenient, improves and presses wing quality, improves butterfly nut's cold-heading manufacturing efficiency.

In order to achieve the above object, the present invention adopts the following technical solutions.

The utility model provides a processingequipment of butterfly nut, includes nut cold heading machine main part, and nut cold heading machine main part includes the frame, is equipped with feed arrangement, cutting device, a plurality of vice cold heading modules on the frame, moves the blevile of push of material device and cooperation cold heading module, characterized by, a plurality of vice cold heading modules are equipped with material reversing mechanism including the blanking die, the material mould of wholehearting, ball mould, the mould of bending, the mould of punching a hole and the mould of pressing the wing that set gradually between ball mould and the mould of bending.

The reversing of the die rod between the ball pressing die and the bending die is completed through the material reversing mechanism, the bending efficiency of the die rod is ensured, the die rod is reversed, the round ball in the middle of the die rod can be synchronously pre-pressed during bending to form a blind hole, the forming of a nut hole can be completed through deepening cold heading of the blind hole, the hole forming is convenient, the interference and influence on the die rods at two ends of the round ball cannot be generated in the hole forming process, and the wing pressing forming quality of the butterfly nut is ensured; because there is the transition in pore-forming and the process of bending in this application, improved pore-forming efficiency, and then improved butterfly nut's shaping efficiency.

Preferably, the material reversing mechanism is arranged on the material moving device and comprises a sliding rod arranged on the material moving device in a sliding mode, a material shifting rod is arranged at one end, facing the bending die, of the sliding rod, the material reversing mechanism further comprises a guide block fixed relative to the base, one end, far away from the bending die, of the sliding rod is matched with the guide block, and a reset spring is arranged between the sliding rod and the material moving device. The whole reciprocating motion that moves the material device, the setting of guide block when the slide bar horizontal migration, the slide bar takes place longitudinal sliding, and the kickoff pole can be with the mold rod of taking the ball around the spherical rotation of ball when releasing to accomplish the bar and follow the conversion of perpendicular material reversing mechanism to parallel material reversing mechanism, conveniently upset the follow-up bending of ball and going on in proper order of cold-heading pore-forming, improve cold-heading efficiency.

Preferably, one end of the sliding rod, which is far away from the bending die, is provided with a guide bearing, and the guide block is provided with a folding surface matched with the guide bearing. The guide bearing is matched with the folded surface, and the friction force of the sliding rod matched with the folded surface is reduced through the guide bearing, so that the sliding rod can conveniently slide along with the folded surface.

As preferred, a plurality of vice cold-heading modules are equipped with the die cavity including fixing the lower mould on the base in the lower mould, and the cold-heading module still includes the last mould that sets up along lower mould axis reciprocating motion, is equipped with the cold-heading face of cooperation material on going up the mould, is equipped with the material returned thimble in the lower mould. The plurality of auxiliary cold heading modules are used for synchronously cold heading and returning, and the production efficiency is high.

Preferably, the material moving device comprises a material moving power mechanism, a reciprocating swing mechanism connected with the material moving power mechanism and a clamping die connected with the reciprocating swing mechanism, a clamping head matched with the shape of a nut die blank at a previous station is arranged on the clamping die, a cylindrical hole with a middle bulge is arranged on the clamping head between the ball pressing die and the bending die correspondingly, and the upper end and the lower end of the cylindrical hole are respectively provided with a straight groove which is through from front to back; the axis of the straight groove is parallel to the sliding direction of the sliding rod. The clamping head is used for completing material moving of the mold blank, the cylindrical hole is arranged corresponding to the ball on the mold blank, the straight groove corresponds to the mold rod on the mold blank, when the material reversing mechanism pushes the mold blank, the mold blank rotates around the ball center of the ball, reversing of the mold blank is achieved, and reversing is reliable and convenient.

Preferably, the material poking rod is attached to the outer side of the clamping head between the ball pressing die and the bending die. The material stirring rod which is attached to the material stirring rod has high material stirring stability.

Preferably, the material poking rod is arranged perpendicular to the sliding rod. When the sliding rod slides along the axis, the material poking rod slides along the axis of the sliding rod to poke, so that the material poking stability is improved.

The utility model discloses following beneficial effect has: through new mould and process construction, will press the wing process setting in the last position, the switching-over of butterfly nut is comparatively convenient, improves and presses wing quality, improves butterfly nut's cold-heading manufacturing efficiency.

Drawings

Fig. 1 is a schematic diagram of the structural arrangement principle of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the material reversing mechanism of the present invention.

Fig. 4 is a schematic structural view of the middle steering clamping head of the present invention.

In the figure: a feeding device 2 of a machine base 1, a cutting device 3, a cold heading module 4, a material moving device 5, a material pushing device 6, a material finishing die 7, a ball pressing die 8, a bending die 10, a punching die 11, a fin pressing die 12, a lower die 13, a material reversing mechanism 16, a reciprocating swinging mechanism 18, a clamping die 19, a hinged plate 20, a rotating toothed 21 helical gear 22, a clamping head 23, a cylindrical hole 24, a straight groove 25, a sliding rod 26, a limiting ring 28, a material shifting rod 29, a guiding block 30, a return spring 31, a bearing 32, a folded surface 33, a horizontal surface 34, an inclined surface 35, a material discharging tray 36, a straight groove 39, a through hole 40 of a clamping head 37, a cylindrical blind hole 38 and a through hole 40.

Detailed Description

The invention is further illustrated with reference to the accompanying drawings and specific embodiments.

In the embodiment of the method, the first step,

as shown in fig. 1 to 4, a processingequipment of butterfly nut, including the nut cold heading machine main part, the nut cold heading machine main part includes frame 1, is equipped with feed arrangement 2, cutting device 3 on the frame 1, a plurality of vice cold heading module 4, moves blevile of push 6 of material device 5 and cooperation cold heading module 4, it needs to be noted that, the nut cold heading machine main part that this application adopted is the equipment of buying outward based on ripe prior art, consequently except that the improvement content that this application designed no longer expands to describe repeatedly. A plurality of vice cold-heading modules 4 are including the blanking mould 7, the mould of wholesale material 8, press ball mould 9, bending die 10, the mould of punching a hole 11 and the wing mould 12 that set gradually, and in order to guarantee the efficiency of punching a hole, the mould of punching a hole in the embodiment has set up continuous two sets ofly, improves the quality of punching a hole. The blanking die 7, the material arranging die 8, the ball pressing die 9, the bending die 10, the punching die 11 and the fin pressing die 12 are arranged at equal intervals. The lower end of the pressing die is provided with a blanking tray 36. Seven pairs of cold-heading modules 4 all include the lower mould 13 of fixing on the base, are equipped with the die cavity in the lower mould 13, and cold-heading module 4 still includes the last mould 14 that sets up along 13 axis reciprocating motion of lower mould, is equipped with the cold-heading face of cooperation material on going up mould 14, is equipped with the material returned thimble in the lower mould 13, and the material returned thimble cooperates the spring to reset, and blevile of push 6 is including the material pushing rod that the drive pushed away the material thimble. The action principle of the upper die 14, the lower die 13 and the material returning thimble is the same as that of a common nut cold header in the prior art, and the upper die, the lower die and the material returning thimble are not unfolded any more.

A material reversing mechanism 16 is arranged between the ball pressing die 9 and the bending die 10. The material reversing mechanism 16 is arranged on the material moving device 5, the material moving device 5 comprises a material moving power mechanism, a reciprocating swing mechanism 18 connected with the material moving power mechanism and a clamping die 19 connected with the reciprocating swing mechanism 18, the material moving power mechanism and the reciprocating swing mechanism 18 are directly driven by a cylinder in the simplest way, but the number of cylinders needs to be increased, the assembly is inconvenient and interference easily occurs, the reciprocating swing mechanism 18 in the embodiment adopts two parallel and opposite hinged plates 20, the two hinged plates 20, the clamping die 19 and the machine base 1 form a parallelogram structure, and two ends of each hinged plate 20 are respectively hinged with the base and the clamping die 19. The outer end of the hinged plate 20 is provided with a rotating tooth form 21, the rotating tooth form 21 is matched with a bevel gear 22 which is rotatably arranged, and the material moving power mechanism adopts a rotating motor matched with the bevel gear 22, so that when the rotating motor rotates, the clamping die 19 is always parallel to the plane where the axes of the two bevel gears 22 are located, and the stability and the reliability of the integral movement of the clamping die 19 are ensured. The clamping die 19 is provided with a clamping head 23 matched with the shape of a nut die blank at a previous station, the clamping head corresponding to the position between the cutting device and the blanking die is in a disc shape, and a through round hole matched with a bar is arranged on the axis of the disc-shaped clamping head; the clamping head corresponding to the position between the blanking die and the material arranging die is also in a disc shape, and a through round hole matched with the bar is also arranged on the axis of the disc-shaped clamping head; a clamping head 23 corresponding to the space between the ball pressing die 9 and the bending die 10 comprises a cylindrical hole 24 with a bulged middle part, and the upper end and the lower end of the cylindrical hole 24 are respectively provided with a straight groove 25 which is through from front to back; the axis of the straight groove 25 is parallel to the sliding direction of the sliding rod 26. The clamping head corresponding to the bending die and the punching die also comprises a cylindrical hole and a straight groove, and the round ball is flattened into a circular ring in the bending process and the punching process, so that the diameter of the cylindrical hole on the clamping head corresponding to the bending die and the punching die before is larger than that of the cylindrical hole on the clamping head corresponding to the pressing die and the bending die, the clamping head corresponding to the punching die and the pressing fin die is a steering clamping head 37, the steering clamping head 37 rotates around the axis of the steering clamping head, the steering clamping head is in a cuboid shape, one side of the clamping head is provided with a cylindrical blind hole 38, two sides of the cylindrical blind hole are provided with coplanar straight grooves 39, and the bottom of the cylindrical blind hole and the bottom of the straight groove respectively extend into through holes 40 towards the two sides of the plane where the vertical straight groove is located. The steering clamping head can be driven by a mechanical transmission mechanism, the steering clamping head is rotated and fixed on the clamping die, a matched gear-rack pair can be arranged between the upper end of the steering clamping head and the base, when the steering clamping head 37 moves horizontally along with the clamping die relative to the base, the gear-rack pair can realize ninety-degree rotation of the steering clamping head, so that a nut blank without pressing fins can be accommodated by the cylindrical blind hole and the straight groove of the steering clamping head, the loading on the punching die is completed, the through hole is opposite to the fin pressing die when the steering clamping head reaches the fin pressing die station, and the fin pressing of the fin pressing die can be conveniently completed, and the fin pressing efficiency is ensured. The material reversing mechanism 16 comprises a sliding rod 26 which is arranged on the material moving device 5 in a sliding mode, a guide sleeve 27 is arranged on the clamping die 19, the sliding rod 26 is in sliding fit with the guide sleeve 27, a limiting ring 28 is fixedly arranged on the sliding rod 26, a material shifting rod 29 is arranged at one end, facing the bending die 10, of the sliding rod 26, the material reversing mechanism 16 further comprises a guide block 30 which is fixed relative to the machine base 1, one end, far away from the bending die 10, of the sliding rod 26 is matched with the guide block 30, and a reset spring 31 is arranged between the sliding rod 26 and the material moving device 5. A return spring 31 is arranged between the stop collar 28 and the guide sleeve 27. The end of the slide bar 26 remote from the bending die 10 is provided with a guide bearing 32, and the guide block 30 is provided with a folding surface 33 which is matched with the guide bearing 32. The folding surface 33 includes a horizontal surface 34 perpendicular to the axis of the slide rod 26, and one end of the horizontal surface 34 is an inclined surface 35 which abuts against the guide bearing 32. The inclined surface 35 ensures that the sliding rod 26 is attached to the outer side of the clamping head 23 between the ball pressing die 9 and the bending die 10 when the material is moved along with the material moving device 5 by the material shifting rod 29. The kick-off bar 29 is arranged perpendicular to the slide bar 26.

When the device is used, linear bars enter the feeding device 2, are cut off by the cutting device 3 at a fixed distance after being in place, the cut bars are moved into the cold heading dies by the material moving device 5, cold heading of corresponding procedures is completed in each cold heading die, all stations are completed synchronously, the material moving device 5 completes simultaneous transportation of die materials of all stations, and the cold heading efficiency is high; according to the method, the reversing of the die rod between the ball pressing die 9 and the bending die 10 is completed through the material reversing mechanism 16, the bending efficiency of the die rod is guaranteed, the die rod can be synchronously pre-pressed with the round ball in the middle of the die rod during bending to form a blind hole, the forming of a nut hole can be completed through deepening cold heading of the blind hole, the hole forming is convenient, the interference and influence on the die rods at two ends of the round ball cannot be generated in the hole forming process, and the pressing wing forming quality of the butterfly nut is guaranteed; because there is the transition in pore-forming and the process of bending in this application, improved pore-forming efficiency, and then improved butterfly nut's shaping efficiency.

Claims (7)

1. The utility model provides a processingequipment of butterfly nut, includes nut cold heading machine main part, and nut cold heading machine main part includes the frame, is equipped with feed arrangement, cutting device, a plurality of vice cold heading modules on the frame, moves the blevile of push of material device and cooperation cold heading module, characterized by, a plurality of vice cold heading modules are equipped with material reversing mechanism including the blanking die, the material mould of wholehearting, ball mould, the mould of bending, the mould of punching a hole and the mould of pressing the wing that set gradually between ball mould and the mould of bending.

2. The device for processing the butterfly nut as claimed in claim 1, wherein the material reversing mechanism is disposed on the material moving device, the material reversing mechanism comprises a sliding rod slidably disposed on the material moving device, a material shifting rod is disposed at an end of the sliding rod facing the bending die, the material reversing mechanism further comprises a guide block fixed relative to the machine base, an end of the sliding rod away from the bending die is engaged with the guide block, and a return spring is disposed between the sliding rod and the material moving device.

3. The device as claimed in claim 2, wherein the end of the sliding rod away from the bending die is provided with a guide bearing, and the guide block is provided with a folding surface for cooperating with the guide bearing.

4. The apparatus as claimed in claim 1, wherein the plurality of secondary cold heading modules each comprise a lower die fixed to the base and having a die cavity therein, and an upper die reciprocally disposed along an axis of the lower die and having a cold heading surface for engaging the material, and a material discharge pin disposed in the lower die.

5. The device for processing the butterfly nut as claimed in claim 2, wherein the material moving device comprises a material moving power mechanism, a reciprocating swing mechanism connected with the material moving power mechanism, and a clamping die connected with the reciprocating swing mechanism, a clamping head matched with the shape of the nut die blank at a previous station is arranged on the clamping die, a cylindrical hole with a bulged middle part is arranged on the clamping head between the ball pressing die and the bending die, and straight grooves which are penetrated from front to back are respectively arranged at the upper end and the lower end of the cylindrical hole; the axis of the straight groove is parallel to the sliding direction of the sliding rod.

6. The device as claimed in claim 5, wherein the material-ejecting rod is attached to the outer side of the clamping head between the ball-pressing mold and the bending mold.

7. The device for processing the wing nut as claimed in claim 2, 5 or 6, wherein the material-pulling rod is vertically arranged with the sliding rod.

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