阅读说明：本技术 一种铆钉的加工设备及加工工艺 (Rivet processing equipment and process ) 是由 张宏善 于 2021-08-25 设计创作，主要内容包括：本申请公开了一种铆钉的加工设备及加工工艺,应用在铆钉加工设备的领域,解决了母钉的插入槽中存有空气,在公钉插入到插入槽的过程会压缩插入槽中的空气,使插入槽中的气压变大,不便于插入到母钉中的技术问题,其技术方案要点是一种铆钉的加工设备,包括公钉加工设备,公钉加工设备包括搓牙机,搓牙机包括移动搓牙板和固定搓牙板,移动搓牙板和固定搓牙板的搓牙面上均设置有若干平行设置的搓牙凸棱,搓牙凸棱呈斜向设置,搓牙凸棱的横截面设置为三角形,移动搓牙板和固定搓牙板的搓牙面相对设置,移动搓牙板和固定搓牙板之间设置有供公钉经过的间隙,移动搓牙板和固定搓牙板上的搓牙凸棱的角度呈反向设置。(The application discloses a rivet processing device and a processing technology, which are applied to the field of rivet processing devices, solve the problem that air exists in an insertion groove of a female nail, the air in the insertion groove can be compressed in the process of inserting the male nail into the insertion groove, the air pressure in the insertion groove is increased, the male nail is inconvenient to be inserted into the female nail, the key point of the technical scheme is the processing equipment of the rivet, the processing equipment comprises male nail processing equipment, the male nail processing equipment comprises a thread rolling machine, the thread rolling machine comprises a movable thread rolling plate and a fixed thread rolling plate, thread rolling convex edges which are arranged in parallel are arranged on thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate, the thread rolling convex edges are arranged in an inclined mode, the cross sections of the thread rolling convex edges are arranged to be triangular, the thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate are arranged oppositely, a gap for a male nail to pass through is formed between the movable thread rolling plate and the fixed thread rolling plate, and the angles of the thread rolling convex edges on the movable thread rolling plate and the fixed thread rolling plate are arranged reversely.)

1. The processing equipment for the rivets comprises male rivet processing equipment and is characterized in that the male rivet processing equipment comprises a thread rolling machine (1), the thread rolling machine (1) comprises a movable thread rolling plate (2) and a fixed thread rolling plate (3), a plurality of thread rolling convex edges (4) which are arranged in parallel are arranged on thread rolling surfaces of the movable thread rolling plate (2) and the fixed thread rolling plate (3), the thread rolling convex edges (4) are arranged obliquely, the cross sections of the thread rolling convex edges (4) are arranged to be triangular, the thread rolling surfaces of the movable thread rolling plate (2) and the fixed thread rolling plate (3) are arranged oppositely, a gap for a male rivet to pass through is formed between the movable thread rolling plate (2) and the fixed thread rolling plate (3), and the angles of the thread rolling convex edges (4) on the movable thread rolling plate (2) and the fixed thread rolling plate (3) are arranged reversely.

2. The rivet processing equipment according to claim 1, characterized in that one side of the thread rolling machine (1) is provided with a blower (5), the output end of the blower (5) is communicated with an air blow pipe (6), the tail end of the air blow pipe (6) is arranged above the movable thread rolling plate (2) and the fixed thread rolling plate (3), the tail end of the air blow pipe (6) is provided with a strip-shaped air blowing nozzle (7), and the length of the strip-shaped air blowing nozzle (7) is the same as that of the movable thread rolling plate (2) and the fixed thread rolling plate (3).

3. The rivet processing equipment according to claim 2, characterized in that a material receiving box (8) is arranged at the discharge end of the thread rolling machine (1), a plurality of through holes are arranged at the bottom end of the material receiving box (8), a waste collecting bag (9) is arranged at the lower end of the material receiving box (8), and a vibration motor (10) is arranged at the lower end of the material receiving box (8).

4. The rivet processing equipment according to claim 3, characterized in that the male rivet processing equipment comprises a steel heating device, the heating device comprises a plurality of heating furnaces (11), through holes for steel to pass through are formed in the heating furnaces (11), a conveying device is arranged between the heating furnaces (11), the conveying device comprises a supporting base (12), conveying rollers (13) are arranged on the supporting base (12), two limiting rings (14) which are arranged in parallel are arranged on the conveying rollers (13), and one end of each conveying roller (13) is connected with a conveying motor (15).

5. The rivet processing equipment according to claim 3, characterized in that a cooling water tank (16) is arranged at the tail end of the steel heating device, a through hole for passing the steel is arranged on the cooling water tank (16), a water spraying pipe (17) is arranged on the cooling water tank (16), the cooling water tank (16) is communicated with a circulating pipe (18), and the tail end of the circulating pipe (18) is communicated with a circulating water tank (19).

6. A rivet processing device according to claim 4, characterized in that the starting end of the steel heating device is provided with a feeding device, the feeding device comprises a placing rack (20), one side of the placing rack (20) is provided with a conveying rack (21), a plurality of conveying rollers (22) are arranged on the conveying frame (21), a limiting ring (14) groove is arranged on each conveying roller (22), one side of the conveying roller (22) is connected with a conveying motor (24), the upper end surface of the placing frame (20) is inclined downwards towards one side of the conveying frame (21), a plurality of material taking plates (25) are arranged on the conveying frame (21), a lifting cylinder (26) is arranged at the lower end of each material taking plate (25), the upper end of the material taking plate (25) is downwards inclined towards one side of the conveying frame (21), and a limiting block (27) is arranged on the material taking plate (25).

7. The rivet processing equipment according to claim 3, characterized in that the male rivet processing equipment further comprises a cutting punch, the cutting punch comprises a frame (28), a cutting hole (29) is formed in the frame (28), a cutter (30) is arranged at the through hole of the frame (28), the cutter (30) is connected with a braking device, a clamping handle (32) is arranged on the frame (28), a moving device is connected with the clamping handle (32), a punching die hole (34) is formed in the frame (28), a punching device is arranged on the outer side of the punching die hole (34), and a punching head (36) is arranged at the tail end of the punching device.

8. A rivet processing device according to claim 4, characterized in that the tail end of the punching die hole (34) is communicated with an air inflation pipe (37), and the tail end of the air inflation pipe (37) is communicated with a blower (38).

9. The rivet processing equipment according to claim 5, characterized in that, frame (28) one side is provided with pay-off conveyer, pay-off conveyer includes transfer rack (39), be provided with a plurality of bracing pieces (40) on transfer rack (39), bracing piece (40) are two and distribute along transfer rack (39) length direction and set up, be provided with transfer gear (41) on bracing piece (40), be provided with spacing groove (42) in the circumference of transfer gear (41), the initiating terminal of transfer rack (39) is provided with dwang (43), be provided with on dwang (43) and rotate wheel (44), the lower extreme of dwang (43) is connected with rotation motor (45).

10. A rivet processing process applied to the rivet processing equipment of any one of claims 1-9, comprising the following steps:

s1: heating the steel bar to be processed for multiple times, and then cooling;

s2, cutting and punching the steel bars after heat treatment to form male nails;

and S3, the male nail is twisted by moving the tooth twisting plate (2) and the fixed tooth twisting plate (3) to form pineapple grains on the outer wall of the male nail.

Technical Field

The application relates to the technical field of rivet processing equipment, in particular to processing equipment and a processing technology of rivets.

Background

The rivet is a part which is connected with a riveted part by self deformation or interference in riveting, and has various types and independent forms.

The existing common male and female rivets comprise male rivets and female rivets, wherein one ends of the female rivets are provided with insertion grooves, the tail ends of the male rivets are inserted into the insertion grooves, and the outer walls of the tail ends of the male rivets are in interference fit with the inner walls of the female rivets, so that the tail ends of the male rivets are fixed into the insertion grooves.

In view of the above-mentioned related art, the inventor believes that there is a drawback in that air is stored in the insertion groove of the female pin, and the air in the insertion groove is compressed during the insertion of the male pin into the insertion groove, so that the air pressure in the insertion groove becomes large, and the male pin receives resistance when being inserted into the female pin, thereby being inconvenient to be inserted into the female pin.

Disclosure of Invention

In order to enable the male nail to be conveniently inserted into the female nail, the application provides a rivet processing device and a rivet processing technology.

In a first aspect, the present application provides a rivet processing apparatus, which adopts the following technical scheme: the utility model provides a processing equipment of rivet, includes public nail processing equipment, public nail processing equipment includes the tooth machine of rubbing with the hands, the tooth machine of rubbing with the hands is including removing the tooth board of rubbing with the hands and fix the tooth board of rubbing with the hands, all be provided with a plurality of parallel arrangement on the tooth face of rubbing with the hands of removing the tooth board of rubbing with the hands and fix the tooth board of rubbing with the hands, the tooth bead of rubbing with the hands is the slant setting, the cross section of the tooth bead of rubbing with the hands sets up to triangle-shaped, the tooth face of rubbing with the hands of removal tooth board and fixed tooth board of rubbing with the hands sets up relatively, it supplies the clearance that public nail passed through to be provided with between the tooth board of removing the tooth board of rubbing with the hands and the fixed tooth board of rubbing with the hands, the angle of the tooth bead of rubbing with the hands on removal tooth board of rubbing with the hands is reverse setting.

Through above-mentioned technical scheme, remove and rub the dental lamina with the hands and fix and rub the dental lamina with the hands and can produce pineapple line on public nail surface, make public nail at the in-process of inserting female nail, have the clearance between the outer wall of public nail and the inner wall of female nail, guarantee the circulation of air in the female nail insertion groove to make public nail be convenient for in the male nail female nail.

The application is further configured to: the tooth rubbing machine is characterized in that a blower is arranged on one side of the tooth rubbing machine, the output end of the blower is communicated with an air blowing pipe, the tail end of the air blowing pipe is arranged above the movable tooth rubbing plate and the fixed tooth rubbing plate, a strip-shaped air blowing nozzle is arranged at the tail end of the air blowing pipe, and the length of the strip-shaped air blowing nozzle is the same as that of the movable tooth rubbing plate and that of the fixed tooth rubbing plate.

Through the technical scheme, the strip-shaped air blowing nozzle is used for blowing the thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate, and blowing off chips on the thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate, so that the thread rolling quality of the movable thread rolling plate and the fixed thread rolling plate on the male nail is ensured.

The application is further configured to: the thread rolling machine is characterized in that a material receiving box is arranged at the discharge end of the thread rolling machine, a plurality of through holes are formed in the bottom end of the material receiving box, a waste collecting bag is arranged at the lower end of the material receiving box, and a vibration motor is arranged at the lower end of the material receiving box.

Through above-mentioned technical scheme, the piece in the material receiving box drops in the garbage collection bag through the through-hole, is convenient for collect the piece that the tooth that rubs the tooth production.

The application is further configured to: public nail processing equipment includes steel heating device, heating device includes a plurality of heating furnaces, be provided with the through-hole that supplies steel to pass on the heating furnace, be provided with conveyer between each heating furnace, conveyer is including supporting the base, be provided with the transfer roller on the support base, be provided with two parallel arrangement's spacing ring on the transfer roller, the one end of transfer roller is connected with the conveying motor.

Through above-mentioned technical scheme, through treating the reinforcing bar of processing and heating, improve the intensity of reinforcing bar.

The application is further configured to: the steel heating device's end is provided with cooling water tank, the last through-hole that supplies steel to pass that is provided with of cooling water tank, the last spray pipe that is provided with of cooling water tank, cooling water tank intercommunication has the circulating pipe, the end intercommunication of circulating pipe has circulating water tank.

Through above-mentioned technical scheme, after finishing the reinforcing bar processing, use the cooling water to cool down the reinforcing bar, guarantee the machining efficiency to the reinforcing bar.

The application is further configured to: the steel heating device's initiating terminal is provided with loading attachment, loading attachment includes the rack, one side of rack is provided with the carriage, be provided with a plurality of conveying rollers on the carriage, be provided with spacing annular on the conveying roller, one side of conveying roller is connected with the conveying motor, the last terminal surface of rack sets up towards carriage one side downward sloping, be provided with a plurality of flitchs of getting on the carriage, the lower extreme of getting the flitch is provided with the promotion cylinder, the last terminal surface of getting the flitch sets up towards carriage one side downward sloping, it is provided with the stopper on the flitch to get.

Through above-mentioned technical scheme, carry out automatic feeding to the reinforcing bar through loading attachment, guarantee the machining efficiency to the reinforcing bar.

The application is further configured to: public nail processing equipment is still including cuting the punching machine, it includes the frame to cut the punching machine, be provided with in the frame and cut the hole, the through-hole department of frame is provided with the cutter, the cutter is connected with arresting gear, be provided with the tong in the frame, the tong is connected with the mobile device, be provided with die hole in the frame, die hole's the outside is provided with stamping device, stamping device's end is provided with the punching press head.

Through above-mentioned technical scheme, realize cuting and the punching press processing to the automation of reinforcing bar through cuting stamping device, guarantee the machining efficiency to the reinforcing bar.

The application is further configured to: the tail end of the die punching hole is communicated with an inflation tube, and the tail end of the inflation tube is communicated with an air blower.

Through above-mentioned technical scheme, after the reinforcing bar punching press was accomplished, the wind-force in the die hole can blow out the public nail that the punching press was accomplished to improve the efficiency of processing.

The application is further configured to: frame one side is provided with pay-off conveyer, the conveying conveyer includes the conveying frame, be provided with a plurality of bracing pieces on the conveying frame, the bracing piece is two and distributes and set up along conveying frame length direction, be provided with the transfer gear on the bracing piece, be provided with the spacing groove in the circumference of transfer gear, the initiating terminal of conveying frame is provided with the dwang, be provided with the rotation wheel on the dwang, the lower extreme of dwang is connected with the rotation motor.

Through above-mentioned technical scheme, realize the automated processing to the reinforcing bar, guarantee the machining efficiency to public nail.

In another aspect, the present application provides a rivet processing method, including the following steps:

s1: heating the steel bar to be processed for multiple times to improve the strength of the steel bar, and then cooling the steel bar by using cooling water;

s2, cutting and punching the steel bars after heat treatment to form male nails;

and S3, performing thread rolling on the male nail by moving the thread rolling plate and the fixed thread rolling plate to form pineapple patterns on the outer wall of the male nail.

Through above-mentioned technical scheme, improved the intensity of public nail, produced the pineapple line on public nail surface simultaneously, made public nail be convenient for in the male female nail of inserting.

To sum up, the beneficial technical effect of this application does:

1. the movable tooth rubbing plate and the fixed tooth rubbing plate can generate pineapple lines on the surface of the male nail, so that a gap exists between the outer wall of the male nail and the inner wall of the female nail in the process of inserting the male nail into the female nail, and the ventilation of the female nail insertion groove is ensured, so that the male nail is convenient to insert into the female nail;

2. blowing air to the thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate through a strip-shaped air blowing nozzle, blowing off scraps on the thread rolling surfaces of the movable thread rolling plate and the fixed thread rolling plate, and ensuring the thread rolling quality of the movable thread rolling plate and the fixed thread rolling plate to the male nail;

3. the strength of the steel bar is improved by heating the steel bar to be processed.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a schematic structural diagram of the feeding device of the present embodiment;

FIG. 3 is a schematic structural view of the steel material heating apparatus of the present embodiment;

fig. 4 is a schematic structural view of the cutoff punch of the present embodiment;

FIG. 5 is a schematic structural diagram of the thread rolling machine of the present embodiment;

FIG. 6 is a schematic structural view of the thread rolling plate according to the present embodiment;

fig. 7 is a schematic structural view of the male pin of the present embodiment.

Reference numeral, 1, a thread rolling machine; 2. moving the tooth rubbing plate; 3. fixing the tooth rubbing plate; 4. rolling teeth convex edges; 5. a blower; 6. an air blowing pipe; 7. a strip-shaped air blowing nozzle; 8. a material receiving box; 9. a waste collection bag; 10. a vibration motor; 11. heating furnace; 12. a support base; 13. a conveying roller; 14. a limiting ring; 15. a transfer motor; 16. a cooling water tank; 17. a water spray pipe; 18. a circulation pipe; 19. a circulating water tank; 20. placing a rack; 21. a carriage; 22. a conveying roller; 23. a limiting ring groove; 24. a conveying motor; 25. taking a material plate; 26. a lift cylinder; 27. a limiting block; 28. a frame; 29. cutting off the hole; 30. a cutter; 31. cutting off the air cylinder; 32. clamping a hand; 33. a moving cylinder; 34. punching a die hole; 35. punching a cylinder; 36. punching a head; 37. an inflation tube; 38. a blower; 39. a transfer frame; 40. a support bar; 41. a transfer wheel; 42. a limiting groove; 43. rotating the rod; 44. a rotating wheel; 45. rotating the motor; 46. placing a platform; 47. and (7) arranging the material disc.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b):

referring to fig. 1 and 2, for a rivet processing equipment that this application discloses, including public nail processing equipment, public nail processing equipment includes loading attachment, and the material loading dress includes rack 20, places the reinforcing bar of treating processing through rack 20. A conveying frame 21 is placed on one side of the placing frame 20, the upper end of the placing frame 20 is inclined downwards towards one side of the conveying frame 21, and the reinforcing steel bars placed on the placing frame 20 roll towards one side of the conveying frame 21. Be provided with a plurality of conveying rollers 22 on the carriage 21, be fixed with conveying motor 24 on the carriage 21, conveying motor 24's output is connected with conveying roller 22, can drive conveying roller 22 through conveying motor 24 and rotate. The reinforcing bar is supported by the tail end of the conveying roller 22, and the reinforcing bar is limited so that the reinforcing bar does not roll.

Referring to fig. 1 and 2, a plurality of material taking plates 25 are arranged on the conveying frame 21, the starting end of the conveying frame 21 is inserted into the conveying frame 21, a lifting cylinder 26 is fixed at the lower end of the conveying frame 21, a piston rod of the lifting cylinder 26 is inserted into the conveying frame 21 and connected with the starting end of the material taking plate 25, and a gap for the material taking plate 25 to move up and down is arranged on the conveying frame 21, so that the lifting cylinder 26 can drive the material taking plate 25 to move up and down. The tail end of the material taking plate 25 extends to the lower portion of the steel bar on the placing frame 20, which is closest to the conveying frame 21, so that when the material taking plate 25 is lifted by the lifting cylinder 26, the material taking plate 25 can lift the steel bar of the conveying frame 21 with the most open surface, the upper end surface of the material taking plate 25 is arranged downwards towards one side of the conveying frame 21, and the lifted steel bar rolls towards the conveying frame 21. When getting flitch 25 and lifting up the reinforcing bar, the end of getting flitch 25 can keep supporting the reinforcing bar on rack 20, makes the reinforcing bar on rack 20 can not roll.

Referring to fig. 1 and 2, a stopper 27 is fixed to the material-taking plate 25, and the steel bars stop rolling when contacting the stopper 27. Be provided with spacing ring 14 groove on the conveying roller 22, stopper 27 is close to rack 20 one side and spacing ring 14 groove and is close to corresponding the setting in carriage 21 one side, makes through lift cylinder 26 and gets flitch 25 downstream, and the reinforcing bar can be placed in spacing ring 14 groove, carries on spacingly through spacing ring 14 groove to the reinforcing bar. So that the conveying motor 24 drives the conveying roller 22 to rotate, and the conveying roller 22 can convey the steel bars. Get flitch 25 and no longer carry on spacingly to the reinforcing bar on the rack 20 after the downward movement, the reinforcing bar on the rack 20 can roll to carriage 21 direction and contact with the end of conveying roller 22.

Referring to fig. 1 and 3, a steel heating device is arranged at the end of the feeding device, the heating device includes a placing platform 46, a plurality of heating furnaces 11 are arranged on the placing platform 46 in parallel, and the steel bars on the conveying rollers 22 move towards the heating furnaces 11. The two sides of the heating furnace 11 are respectively provided with a feeding hole and a discharging hole which correspond to each other in position, and the feeding hole and the discharging hole are arranged corresponding to the position of the limiting ring 14 groove. The reinforcing steel bar enters the heating furnace 11 through the feeding hole for heat treatment, and the strength of the reinforcing steel bar is improved. Be provided with the interval between each heating furnace 11, the feed inlet department of heating furnace 11 is provided with conveyer, supports and conveys the reinforcing bar, makes the reinforcing bar pass each heating furnace 11 in proper order and heats.

Referring to fig. 3, the conveying device includes a supporting base 12, a conveying roller 13 is rotatably disposed on the supporting base 12, two parallel limit rings 14 are fixed on the conveying roller 13, a conveying motor 15 is fixed on the supporting base 12, and an output end of the conveying motor 15 is connected with one end of the conveying roller 13. The angle that the diameter adjustment transfer roller 13 according to the reinforcing bar was placed makes the lateral wall and the reinforcing bar contact of two spacing rings 14, drives transfer roller 13 through transfer motor 15 and rotates, and transfer roller 13 can convey the reinforcing bar. The support base 12 and the placing platform 46 are fixed by bolts, and the stability of the conveying roller 13 is ensured, so that the conveying effect of the conveying roller 13 is ensured.

Referring to fig. 3, a cooling water tank 16 is fixed on a placing platform 46 at the end of the steel heating device, through holes are formed at both ends of the cooling water tank 16, and the heated steel bars are inserted into the cooling water tank 16 through the through holes. Be provided with spray pipe 17 on cooling water tank 16, the terminal closed setting of spray pipe 17, the initiating terminal and the municipal water supply pipe intercommunication of spray pipe 17 install a plurality of sprinkler bead on the spray pipe 17, spray the cooling through the sprinkler bead to the reinforcing bar that passes cooling water tank 16. The bottom end of the cooling water tank 16 is communicated with a circulating pipe 18, and the tail end of the circulating pipe 18 is communicated with a circulating water tank 19, so that the hot water in the cooling water tank 16 flows into the circulating water tank 19 through the circulating pipe 18 for cooling.

Referring to fig. 1 and 4, a feeding and conveying device is arranged at the end of the cooling water tank 16, the conveying device comprises a conveying frame 39, two rotating rods 43 are arranged at the starting end of the conveying frame 39, a rotating motor 45 is fixed at the lower end of the conveying frame 39, the output end of the conveying motor 15 is connected with the lower end of the rotating rods 43, and the rotating rods 43 can be driven to rotate by the conveying motor 15. The upper end of the rotating rod 43 is fixed with a rotating wheel 44, the cooled steel bars move to the two rotating wheels 44, and a gap for the steel bars to pass through is arranged between the two rotating wheels 44. The cooled steel bars are transferred to the transfer rack 39, and the rotating motor 45 drives the rotating wheel 44 to rotate, so that friction is generated on the outer wall of the steel bars, and the steel bars are moved on the transfer rack 39.

Referring to fig. 4, a plurality of support rods 40 are fixed on the conveying frame 39, the support rods 40 are distributed in two rows along the length direction of the conveying frame 39, a conveying wheel 41 is rotatably arranged on the support rods 40, and the height of the conveying wheel 41 is the same as that of the rotating wheel 44. Be provided with spacing groove 42 in the circumference of transfer gear 41, support and spacing through transfer gear 41 to the reinforcing bar, guarantee the stability of reinforcing bar conveying. The end of the support rod 40 is provided with a cutting punch, and the reinforcing bars are transferred to the cutting punch by the rotating wheel 44 and the transfer wheel 41 to be cut and punched.

Referring to fig. 4, the cutting punch includes a frame 28, a cutting hole 29 for the reinforcing steel bar to pass through is formed in the frame 28, a cutter 30 is disposed at the through hole of the frame 28, the cutter 30 is connected with a braking device, the braking device is a cutting cylinder 31, and the cutter 30 can be controlled to move by the cutting cylinder 31, so that the reinforcing steel bar passing through the cutting hole 29 is cut off. Be provided with the spout that supplies cutter 30 to place on the outer wall of frame 28, cutter 30 slides in the spout and sets up, guarantees the stability that cutter 30 removed, cuts off into the subsection of fixed length through cutter 30 with the reinforcing bar.

Referring to fig. 4, a clamping hand 32 is disposed at an outer wall of the frame 28, a moving device is disposed at one side of the frame 28, the moving device is configured as a moving cylinder 33, and a piston rod of the moving cylinder 33 is connected to the clamping hand 32. When the cutter 30 cuts the reinforcing bar, the clamp 32 is disposed at the cutoff hole 29, so that the clamp 32 holds the cut reinforcing bar. The frame 28 is provided with a die hole 34, and the clamping hand 32 can be moved by the moving cylinder 33, so that the clamping hand 32 clamps the reinforcing steel bar and moves to the die hole 34.

Referring to fig. 4, a punching device is disposed outside the die hole 34, and the punching device is provided as a punching cylinder 35, and a punching head 36 is fixed to a piston rod end of the punching cylinder 35. The activation of the ram cylinder 35 drives the ram head 36 to perform a stamping operation, which punches the truncated bar into the die hole 34, so that a nut is formed at one end of the truncated bar, thereby forming a male nail. The tail end of the punching die hole 34 is communicated with an air filling pipe 37, the tail end of the air filling pipe 37 is communicated with an air blower 38, the air blower 38 continuously blows air into the punching die hole 34, when the punching head 36 punches the steel bars, the steel bars can be flushed into the punching die hole 34 by overcoming wind resistance, and after punching is completed, the male nails which are punched can be blown out by wind power in the punching die hole 34. A material collecting box is arranged below the die hole 34, and the processed male nails fall into the material collecting box.

Referring to fig. 1 and 5, the male pin processing device further comprises a thread rolling machine 1, wherein the thread rolling machine 1 comprises a material arranging disc 47, and male pins in the material collecting disc are poured into the material arranging disc 47. The tooth rubbing machine 1 is provided with a movable tooth rubbing plate 2 and a fixed tooth rubbing plate 3, the material arranging disc 47 can convey the male nails to the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3, and a gap for the male nails to pass through is arranged between the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3.

Referring to fig. 5 and 6, the tooth rubbing surfaces of the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3 are both provided with a plurality of tooth rubbing ribs 4, the tooth rubbing ribs 4 on the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3 are obliquely arranged in parallel, the cross section of each tooth rubbing rib 4 is arranged in a triangle, and the vertex angle of each triangle is 40 °. The thread rolling surfaces of the movable thread rolling plate 2 and the fixed thread rolling plate 3 are oppositely arranged, and the angles of the thread rolling convex edges 4 on the movable thread rolling plate 2 and the fixed thread rolling plate 3 are reversely arranged.

Referring to fig. 6 and 7, the male pin after passing through the movable and fixed tooth brushing plates 2 and 3 will have a pineapple pattern on the surface of the male pin. Make public nail at the in-process of inserting female nail, have the clearance between the outer wall of public nail and the inner wall of female nail, guarantee the circulation of air in the female nail insertion groove to make public nail be convenient for in the male nail female nail, through the frictional force between public nail of pineapple line increase and the female nail simultaneously, guarantee the stability that public nail and female nail are connected.

Referring to fig. 5, a blower 5 is fixed on one side of the thread rolling machine 1, the output end of the blower 5 is communicated with an air blow pipe 6, and the tail end of the air blow pipe 6 is communicated with a strip-shaped air blowing nozzle 7. The strip-shaped air blowing nozzle 7 is arranged above the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3, the length of the strip-shaped air blowing nozzle 7 is the same as that of the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3, air is blown to the tooth rubbing surfaces of the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3 through the strip-shaped air blowing nozzle 7, chips on the tooth rubbing surfaces of the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3 are blown off, and the tooth rubbing quality of the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3 is guaranteed.

Referring to fig. 5, a material receiving box 8 is arranged at the discharge end of the thread rolling machine 1, and male nails passing through the thread rolling machine can fall into the material receiving box 8. A plurality of through holes are formed in the bottom end of the material receiving box 8, a waste collecting bag 9 is fixedly installed at the lower end of the material receiving box 8, and a vibration motor 10 is fixedly arranged at the lower end of the material receiving box 8. The vibration motor 10 is activated and the bottom end of the receiving box 8 vibrates, so that the debris in the receiving box 8 falls through the through-hole into the waste collection bag 9.

The implementation principle of the embodiment is as follows: after the male nail passes through the movable tooth rubbing plate 2 and the fixed tooth rubbing plate 3, pineapple grains are generated on the surface of the male nail. Make public nail at the in-process of inserting female nail, have the clearance between the outer wall of public nail and the inner wall of female nail, guarantee the circulation of air in the female nail insertion groove to make public nail be convenient for in the male nail female nail, through the frictional force between public nail of pineapple line increase and the female nail simultaneously, guarantee the stability that public nail and female nail are connected.

The application also discloses a rivet processing technology, which comprises the following steps:

s1: heating the steel bar to be processed for multiple times to improve the strength of the steel bar, and then cooling the steel bar by using cooling water;

s2, cutting and punching the steel bars after heat treatment to form male nails;

s3, the male nail is twisted by moving the tooth twisting plate 2 and the fixed tooth twisting plate 3, pineapple grains are formed on the outer wall of the male nail, and a gap is reserved between the outer wall of the male nail and the inner wall of the female nail, so that the male nail can be conveniently inserted into the female nail.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.