CN111266515A

CN111266515A - Full-automatic spin riveting machine and using method thereof

Info

Publication number: CN111266515A
Application number: CN202010092416.6A
Authority: CN
Inventors: 闫东; 张磊
Original assignee: Wuxi Ido Technology Co ltd
Current assignee: Wuxi Ido Technology Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-06-12
Anticipated expiration: 2040-02-14
Also published as: CN111266515B

Abstract

The invention relates to a full-automatic spin riveting machine and a using method thereof, and the full-automatic spin riveting machine comprises a feeding machine, a spin riveting machine and a blanking machine which are sequentially connected, wherein the spin riveting machine comprises a spin riveting platform, transverse moving assemblies are symmetrically arranged on two sides of the upper surface of the spin riveting platform, the transverse moving assemblies extend forwards into the feeding machine, and the transverse moving assemblies extend backwards into the blanking machine; a lower rotating assembly is arranged in the middle of the penetrating spin-riveting platform, an upper rotating assembly is arranged above the lower rotating assembly at intervals, and a cylinder is jointly placed in the interval between the upper rotating assembly and the lower rotating assembly and is driven to rotate; the feeding assembly moves along the radial direction of the cylinder so as to apply force to the upper edge and the lower edge; the riveting device realizes the riveting of the upper edge and the lower edge of the cylinder through full automation, greatly lightens manual operation, has reasonable and ingenious overall layout, ensures high riveting precision, is convenient to adjust and has long service life.

Description

Full-automatic spin riveting machine and using method thereof

Technical Field

The invention relates to the technical field of spin riveting equipment, in particular to a full-automatic spin riveting machine and a using method thereof.

Background

Spin riveting is a key connection procedure in the processing process of washing machine inner barrel and barrel products, a barrel ring, a bottom cover and a barrel cover are fixedly connected together through spin riveting, and the quality of spin riveting of the products is directly related to the safety and stability of the washing machine whole products.

In the prior art, the spin riveting machine mainly has the following defects:

1. the manual intervention degree is high, the consistency of the product is low, and the automation is difficult to realize;

2. the barrel ring, the barrel cover and the bottom cover are easy to have a dislocation phenomenon in the connection process;

3. the upper machine head and the lower machine head of the existing spin riveting equipment move synchronously, so that the machining difficulty of a rack with high precision requirement is high, the whole assembly process of the equipment is difficult to adjust, the concentricity guarantee capability between the upper machine head and the lower machine head is limited, and the risk of product quality defect is high.

Disclosure of Invention

The applicant aims at the defects in the prior art and provides the full-automatic spin riveting machine with a reasonable structure and the using method thereof, so that full-automatic spin riveting of the cylinder is realized, the equipment layout and the structure are ingenious and reasonable, the assembly and the adjustment are convenient, the spin riveting precision is high, and the consistency is good.

The technical scheme adopted by the invention is as follows:

a full-automatic spin riveting machine comprises a feeding machine, a spin riveting machine and a blanking machine which are sequentially connected, wherein the spin riveting machine comprises a spin riveting platform, transverse moving assemblies are symmetrically arranged on two sides of the upper surface of the spin riveting platform, the transverse moving assemblies extend forwards into the feeding machine, and the transverse moving assemblies extend backwards into the blanking machine; a lower rotating assembly is arranged in the middle of the rotary riveting platform in a penetrating mode, an upper rotating assembly is arranged above the lower rotating assembly at intervals, and a cylinder is placed in the interval between the upper rotating assembly and the lower rotating assembly and driven to rotate; and the feeding assembly corresponds to the upper edge and the lower edge of the cylinder, and the feeding assembly moves towards the radial direction of the cylinder so as to apply force to the upper edge and the lower edge.

As a further improvement of the above technical solution:

the structure of material loading machine does: the automatic feeding device comprises a feeding rack, wherein a feeding platform is arranged on the feeding rack, feeding guide rails are symmetrically arranged on two sides of the upper surface of the feeding platform, and a sliding plate is arranged on the two feeding guide rails in a sliding manner; a feeding motor is arranged on the feeding platform between the two feeding guide rails, a feeding screw rod is arranged at the output end of the feeding motor, and the end of the feeding screw rod is matched with a screw pair at the bottom of the sliding plate; a plurality of bottom supporting blocks are arranged on the sliding plate at intervals along the circumferential direction, and vertical pins are vertically arranged on the bottom supporting blocks; and a bolt mechanism is arranged on the sliding plate positioned at the inner side of one or two bottom supporting blocks.

The structure of bolt mechanism does: the sliding plate comprises a bolt seat fixedly arranged on the sliding plate, wherein a bolt air cylinder is arranged at one end of the bolt seat, a guide block is arranged at the output end of the bolt air cylinder, and a groove for the guide block to slide is formed in the other end of the bolt seat; and a side pin is clamped on the side surface of the guide block and penetrates through the bottom supporting block outwards.

The spin riveting machine is structurally characterized in that: the rotary riveting device comprises a rotary riveting rack, wherein a rotary riveting platform is horizontally arranged in the middle of the rotary riveting rack, a lower rotary assembly is arranged at the bottom of the rotary riveting platform, the lower rotary assembly upwards penetrates through the rotary riveting platform, a lower support disc is arranged at the top end of the lower rotary assembly, and a plurality of groups of feeding assemblies are arranged on the rotary riveting platform positioned outside the lower support disc along the circumferential direction; the top of the spin riveting machine frame is provided with a top plate, a lifting mechanism penetrates through the top plate, the bottom end of the lifting mechanism is provided with a lifting plate, an upper rotating assembly penetrates through the lifting plate, the bottom end of the upper rotating assembly is provided with an upper support disc, and the bottom surface of the lifting plate, which is positioned outside the upper support disc, is provided with a plurality of identical feeding assemblies along the circumferential direction; and a cylinder is arranged between the upper support disc and the lower support disc.

The structure of the lower rotating assembly is as follows: including being located spin-on platform bottom and with the rotating electrical machines that spin-on frame adorned admittedly, the rotating electrical machines output is installed rotatory speed reducer, and driving pulley is installed to rotatory speed reducer output, driving pulley is connected with from the driven pulleys through the hold-in range, from the driven pulleys middle part dress to be equipped with down the pivot admittedly, the pivot upwards runs through spin-on platform down, and the lower pivot top is installed down and is propped the dish.

The lifting mechanism has the structure that: the lifting mechanism comprises a lifting motor fixedly mounted on the bottom surface of a top plate, the output end of the lifting motor upwards penetrates through the top plate, the upper end of the lifting motor is connected with a lifting screw rod through a belt transmission mechanism, the lifting screw rod is matched with a belt transmission mechanism I in a spiral pair mode, the lifting screw rod downwards penetrates through the top plate, and the bottom end of the lifting screw rod is fixedly mounted with a lifting plate.

The structure of the upper rotating assembly is as follows: the lifting plate is characterized by comprising a connecting block fixedly arranged on the lifting plate, the connecting block is of an inverted U-shaped structure, a rotating motor is fixedly arranged on the lifting plate outside the connecting block, the output end of the rotating motor is connected with an upper rotating shaft through a belt transmission mechanism II, the upper rotating shaft is located below the connecting block, the upper rotating shaft is connected with the lifting plate in a rotating mode and penetrates downwards, and an upper support disc is arranged at the bottom end of the upper rotating shaft.

The structure of the feeding assembly is as follows: the feeding motor is installed in the supporting seat, the output end of the feeding motor is provided with a feeding speed reducer, the output end of the feeding speed reducer is connected with a feeding screw rod through a small belt transmission mechanism, a nut is sleeved on the outer circumferential surface of the feeding screw rod in a matched mode, a moving seat is fixedly installed below the nut, a wheel seat is installed at the end head of the side of the moving seat, and a feeding wheel is installed in the wheel seat in a horizontal rotating mode.

The edge of the opposite surface of the upper supporting disc and the lower supporting disc is provided with a vertical pin, the edge of the upper supporting disc or the lower supporting disc positioned outside the circumference of the vertical pin is also provided with a transverse pin seat, the transverse pin seat is provided with a radial through hole, a transverse pin is arranged in the through hole, the transverse pin penetrates out of the outer end surface of the transverse pin seat, and a gas pipe joint is arranged at a hole opening of the through hole positioned on the inner end surface of the transverse pin seat; and the jacking pin reset components which correspond to the transverse pins one by one are arranged on the bottom surface of the lifting plate positioned on the outer side of the upper supporting disc or on the rotary riveting platform positioned on the outer side of the lower supporting disc.

The structure of the ejector pin reset component is as follows: the device comprises a support, wherein a small guide rail is arranged on the support, and a push plate is arranged on the support positioned outside the end head of the small guide rail; the ejector pin mechanism is characterized in that an L-shaped block is slidably mounted on the small guide rail, an ejector pin cylinder and a feeding cylinder are mounted on the bottom surface of the L-shaped block in a back-to-back mode, the output end of the feeding cylinder is fixedly connected with the push plate, the output end of the ejector pin cylinder penetrates through the side wall of the L-shaped block, and an ejector pin is mounted at the end head of the output end of the ejector pin cylinder.

The structure of the single group of transverse moving components is as follows: the riveting device comprises a linear guide rail fixedly mounted on a riveting platform, wherein the front and the back of the linear guide rail penetrate through a riveting machine, the front end of the linear guide rail extends into a feeding machine, the back end of the linear guide rail extends into a discharging machine, and a feeding cylinder holding assembly and a discharging cylinder holding assembly are mounted on the linear guide rail in parallel; under the drive of the traverse motor, the feeding cylinder embracing assemblies on the two groups of traverse assemblies are matched to move the cylinder from the feeding machine to the spin riveting machine, and the discharging cylinder embracing assemblies on the two groups of traverse assemblies are matched to move the cylinder from the spin riveting machine to the discharging machine.

The structure of the feeding cylinder holding assembly is as follows: the cylinder clamping device comprises a first lifting module vertically arranged on a linear guide rail, wherein a first lifting block moving along the first lifting module is arranged on the inner side surface of the first lifting module, pneumatic sliding tables I are symmetrically arranged on two sides of the first lifting block, thin pneumatic claws are arranged on the first pneumatic sliding tables respectively, claw blocks are arranged on the thin pneumatic claws, and four claw blocks are matched to clamp and support a cylinder; a small air cylinder is arranged on the inner side surface of the lifting block, a bolt is arranged at the output end of the small air cylinder, and the bolt moves along the radial direction of the cylinder under the action of the small air cylinder;

the structure of the blanking cylinder embracing assembly is as follows: the cylinder clamping device comprises a second lifting module vertically installed on a linear guide rail, a second lifting block moving along the second lifting module is installed on the inner side face of the second lifting module, two pneumatic sliding tables are symmetrically installed on two sides of the second lifting block, a holding block of an arc-shaped concave structure is installed on the second pneumatic sliding table, and the four holding blocks are matched to hold a cylinder in a surrounding mode and are clamped tightly.

The use method of the full-automatic spin riveting machine comprises the following steps:

the first step is as follows: putting the bottom cover of the cylinder on a bottom supporting block on a sliding plate of the feeder, so that a hole in the bottom cover of the cylinder is matched and embedded with the vertical pin; placing the cylindrical ring on the bottom cover; the bolt cylinder works to push the side pin to extend outwards, the side pin is embedded in a hole at the lower end of the side wall of the cylindrical ring, and the side pin penetrates out of the cylinder; putting the cylinder cover on the cylinder ring, and finishing feeding;

the second step is that: the feeding motor works to drive the feeding screw rod to rotate, the feeding screw rod drives the sliding plate matched with the screw pair of the feeding screw rod to move towards the direction of the spin riveting machine by taking the feeding guide rail as a guide, and the sliding plate moves to the transverse moving component;

the third step: the lifting module I works, and the lifting block drives the pneumatic sliding tables I on the two sides to move downwards to the bottom cover of the cylinder; the pneumatic sliding table I works to drive the thin type pneumatic claw and the claw block to inwards approach the cylinder; the thin type pneumatic claw works to drive the claw blocks to extend to the lower part of the bottom cover of the cylinder, so that the cylinder is surrounded and supported by the four claw blocks;

the fourth step: the bolt cylinder works reversely and pulls the side pin to retract; the first lifting module works reversely to drive the first lifting block, the first pneumatic sliding table and the thin pneumatic claw to move upwards, so that the claw block upwards supports the cylinder; the transverse moving motor works to drive the feeding cylinder holding assembly to move into the spin riveting machine along the linear guide rail, so that the cylinder is positioned right above the lower support disc;

the fifth step: the first lifting module works to enable the cylinder to descend onto the lower support disc, and at the moment, the vertical pin at the edge of the lower support disc is matched with the hole in the bottom cover of the cylinder; the thin type pneumatic claw works reversely, so that the claw block loosens the cylinder; the pneumatic sliding table drives the thin type pneumatic claw to move backwards, and the lifting module I works reversely to drive the lifting block I, the pneumatic sliding table I and the thin type pneumatic claw to move upwards for standby;

and a sixth step: when the lifting motor works, the lifting screw rod is driven to move downwards through the first belt transmission mechanism, the lifting plate moves downwards along with the lifting screw rod so that the upper supporting disc moves to the cylindrical drum cover, the vertical pin at the edge of the upper supporting disc is matched with the hole in the cylindrical drum cover, the air pipe joint is internally ventilated, the transverse pin is enabled to extend outwards to the side hole in the drum cover or the bottom cover, and therefore the cylinder is firmly installed between the upper supporting disc and the lower supporting disc;

the seventh step: the rotating motor and the rotating motor work synchronously, the rotating motor drives the upper rotating shaft to rotate through the belt transmission mechanism II, and the upper support disc rotates along with the upper rotating shaft; the rotating motor drives the lower rotating shaft to rotate through the rotating speed reducer, the driving belt pulley, the synchronous belt and the driven belt pulley, and the lower support disc rotates along with the lower rotating shaft; thereby the upper supporting disc and the lower supporting disc synchronously drive the cylinder to rotate;

eighth step: meanwhile, a feeding motor in the feeding assembly works, the feeding motor drives a feeding screw rod to rotate through a feeding speed reducer and a small belt transmission mechanism, the feeding screw rod is matched with a nut screw pair to enable a nut to axially move towards the cylinder in the radial direction, a moving seat drives a wheel seat and a feeding wheel to move along with the nut, so that the feeding wheel is close to and attached to and extrudes the upper edge or the lower edge of the cylinder, and the upper edge and the lower edge of the cylinder are riveted;

the ninth step: the feeding motor works reversely, so that the feeding wheel is far away from the cylinder, the rotating motor and the rotating motor stop working, and the upper supporting disc and the lower supporting disc drive the cylinder to stop rotating; stopping supplying air in the air pipe joint, enabling the feeding cylinder to work, reversely pushing the L-shaped block to move towards the direction of the cylinder by taking the small guide rail as a guide, enabling the ejector pin to be close to the cylinder, and enabling the ejector pin to be opposite to the transverse pin at the upper edge or the lower edge of the cylinder; the ejector pin cylinder works to push the ejector pin to eject the transverse pin into the transverse pin base;

the tenth step: the transverse moving motor works to drive the blanking cylinder holding assembly to move into the spin riveting machine along the linear guide rail, so that the blanking cylinder holding assembly faces the cylinder; the second lifting module works to drive the second lifting block and the second pneumatic sliding table to descend, and the holding block descends along with the descending; the pneumatic sliding table II works to push the holding blocks to be attached to the outer wall of the cylinder, and the four holding blocks hold the cylinder from the circumferential surface;

the eleventh step: the second lifting module works reversely to drive the second lifting block and the second pneumatic sliding table to move upwards, and the embracing block embraces the cylinder and moves upwards along with the cylinder; the transverse moving motor works reversely to drive the blanking cylinder holding assembly to move into the blanking machine from the spin riveting machine along the linear guide rail; the second lifting module works to drive the second lifting block and the second pneumatic sliding table to move downwards, and the embracing block embraces the cylinder to move downwards along with the second lifting block and falls onto a conveying belt of the blanking machine; and completing the full-automatic spin riveting of the cylinder.

The invention has the following beneficial effects:

the upper rotating assembly and the lower rotating assembly are respectively driven by the motors to be matched with each other, so that the synchronous rotation of the cylinder is effectively driven, and the synchronous rotation of the cylinder is effectively driven; the upper part and the lower part of the cylinder are respectively and reliably connected with the upper supporting disc and the lower supporting disc through the transverse pin and the vertical pin, so that the dislocation problem during spin riveting is effectively avoided, the spin riveting precision and the attractive appearance consistency are ensured, and the spin riveting quality and efficiency of the cylinder are greatly improved;

the invention also comprises the following advantages:

the feeding cylinder embracing assembly and the discharging cylinder embracing assembly on the transverse moving assembly synchronously move in the same direction along the linear guide rail under the driving of the transverse moving motor, so that the synchronization of feeding and discharging is realized, and the connection consistency and the continuity of operation are realized;

the vertical pin and the bolt mechanism on the feeding machine ensure the positioning between the cylinder ring and the cylinder cover and the bottom cover when feeding, the bolt on the feeding cylinder embracing component ensures the positioning of the cylinder in the transfer process, and finally the bolt is ensured by the transverse pin and the vertical pin when riveting in a screwing way, thereby ensuring the consistency of riveting the cylinder in a screwing way and preventing dislocation.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the feeding machine of the present invention.

Fig. 4 is a partially enlarged view of a portion B in fig. 3.

Fig. 5 is a left side view (full sectional view) of the riveter of the present invention.

Fig. 6 is a partially enlarged view of a portion C in fig. 5.

Fig. 7 is a cross-sectional view of the riveter of the present invention taken along the direction D-D in fig. 5.

Fig. 8 is a schematic view of the installation structure of the lifting mechanism and the upper rotating assembly of the present invention.

Fig. 9 is a schematic view of the arrangement of the feeding assembly on the bottom surface of the lifter plate according to the present invention.

Fig. 10 is a cross-sectional view of the feed assembly of the present invention.

FIG. 11 is a schematic view of the installation of the vertical and horizontal pins of the present invention.

Fig. 12 is a schematic structural view of the knock pin-reducing assembly of the present invention.

FIG. 13 is a schematic structural diagram of a feeding cylinder embracing assembly according to the present invention.

Fig. 14 is a schematic structural diagram of the blanking cylinder embracing assembly according to the present invention.

Fig. 15 is a schematic structural view of the blanking machine of the present invention.

Wherein: 1. a feeding machine; 2. a spin riveting machine; 3. a traversing assembly; 4. a blanking machine; 8. a cylinder;

11. a feeding platform; 12. a feeding motor; 13. a feeding rack; 14. a feeding guide rail; 15. a feeding screw rod; 16. a sliding plate; 17. a bottom support block; 18. a latch mechanism; 181. erecting a pin; 182. a bolt seat; 183. a guide block; 184. a side pin; 185. a bolt cylinder;

21. spin riveting the platform; 22. a lower support disc; 23. a feeding assembly; 24. a knock pin reset assembly; 25. spin riveting the frame; 26. a lower rotating assembly; 27. a lifting mechanism; 28. an upper rotating assembly; 29. a lifting plate;

221. a vertical pin; 222. a transverse pin seat; 223. a transverse pin; 224. a gas pipe joint;

231. a supporting seat; 232. a feed motor; 233. a feed speed reducer; 234. a small belt drive mechanism; 235. a feed screw; 236. a nut; 237. a movable seat; 238. a wheel seat; 239. a feed wheel;

241. a support; 242. a small guide rail; 243. an L-shaped block; 244. a knock pin cylinder; 245. a feed cylinder; 246. pushing the plate; 247. a thimble;

251. a top plate; 261. a rotating electric machine; 262. a rotary speed reducer; 263. a driving pulley; 264. a driven pulley; 265. a synchronous belt; 266. a lower rotating shaft; 271. a lifting screw rod; 272. a lifting guide post; 273. a first belt transmission mechanism; 274. a lifting motor; 281. a belt transmission mechanism II; 282. an upper rotating shaft; 283. an upper support disc; 284. rotating the motor; 291. connecting blocks;

31. a linear guide rail; 32. a feeding cylinder holding assembly; 33. a blanking cylinder holding assembly; 34. a traversing motor; 321. a first lifting module; 322. a first pneumatic sliding table; 323. a thin pneumatic claw; 324. a first lifting block; 325. a small cylinder; 326. a bolt; 327. a claw block; 331. a second lifting module; 332. a second lifting block; 333. a second pneumatic sliding table; 334. a holding block;

41. a blanking frame; 42. a blanking platform; 43. a blanking conveying line; 44. and a baffle plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and fig. 2, the full-automatic spin riveting machine of the embodiment includes a feeding machine 1, a spin riveting machine 2 and a blanking machine 4, which are sequentially connected, wherein the spin riveting machine 2 includes a spin riveting platform 21, traverse moving assemblies 3 are symmetrically installed on two sides of the upper surface of the spin riveting platform 21, the traverse moving assemblies 3 extend forwards into the feeding machine 1, and the traverse moving assemblies 3 extend backwards into the blanking machine 4; a lower rotating assembly 26 is arranged in the middle of the rotary riveting platform 21 in a penetrating mode, upper rotating assemblies 28 are arranged above the lower rotating assembly 26 at intervals, and cylinders 8 are placed in the intervals between the upper rotating assemblies 28 and the lower rotating assembly 26 and driven to rotate; and a feeding assembly 23 corresponding to the upper and lower edges of the cylinder 8, the feeding assembly 23 moving in a radial direction of the cylinder 8 to apply force to the upper and lower edges.

As shown in fig. 3, the structure of the feeder 1 is: the automatic feeding device comprises a feeding frame 13, wherein a feeding platform 11 is arranged on the feeding frame 13, feeding guide rails 14 are symmetrically arranged on two sides of the upper surface of the feeding platform 11, and a sliding plate 16 is arranged on the two feeding guide rails 14 in a sliding manner; a feeding motor 12 is arranged on a feeding platform 11 positioned between two feeding guide rails 14, a feeding screw rod 15 is arranged at the output end of the feeding motor 12, the end of the feeding screw rod 15 is matched with a screw pair at the bottom of a sliding plate 16, and the feeding motor 12 drives the sliding plate 16 to move along the feeding guide rails 14 through the feeding screw rod 15; a plurality of bottom supporting blocks 17 are arranged on the sliding plate 16 at intervals along the circumferential direction, and vertical pins 181 are vertically arranged on the bottom supporting blocks 17; a latch mechanism 18 is mounted on the slide plate 16 inboard of one or both of the bottom support blocks 17.

As shown in fig. 4, the latch mechanism 18 has the structure: the sliding device comprises a bolt seat 182 fixedly arranged on a sliding plate 16, wherein one end of the bolt seat 182 is provided with a bolt cylinder 185, the output end of the bolt cylinder 185 is provided with a guide block 183, and the other end of the bolt seat 182 is provided with a groove for the guide block 183 to slide; a side pin 184 is clamped on the side surface of the guide block 183, and the side pin 184 penetrates through the bottom supporting block 17 outwards; the bottom cover of the cylinder 8 is placed on the bottom support blocks 17 and is positioned by the vertical pins 181, and when the cylinder ring of the cylinder 8 is placed on the bottom cover, the side pins 184 are pushed out by the bolt air cylinders 185 through the guide blocks 183, so that the side pins 184 extend out from the side edges of the bottom surface of the bottom cover and penetrate into holes in the lower part of the cylinder ring, and the positioning between the bottom cover and the cylinder ring is realized.

As shown in fig. 5, the spin riveter 2 has the following structure: the riveting device comprises a riveting rack 25, wherein a riveting platform 21 is horizontally arranged in the middle of the riveting rack 25, a lower rotating assembly 26 is arranged at the bottom of the riveting platform 21, the lower rotating assembly 26 upwards penetrates through the riveting platform 21, a lower supporting disc 22 is arranged at the top end of the lower rotating assembly 26, and a plurality of groups of feeding assemblies 23 are arranged on the riveting platform 21 positioned on the outer side of the lower supporting disc 22 along the circumferential direction, as shown in fig. 7; a top plate 251 is installed at the top of the spin riveting frame 25, a lifting mechanism 27 is installed through the top plate 251, a lifting plate 29 is installed at the bottom end of the lifting mechanism 27, an upper rotating assembly 28 is installed through the lifting plate 29, an upper supporting disc 283 is installed at the bottom end of the upper rotating assembly 28, and the same multiple groups of feeding assemblies 23 are arranged on the bottom surface of the lifting plate 29 at the outer side of the upper supporting disc 283 along the circumferential direction, as shown in fig. 9; a cylinder 8 is placed between the upper stay plate 283 and the lower stay plate 22.

As shown in fig. 6, the lower rotating assembly 26 has the structure: including being located spin-on platform 21 bottom and with the rotating electrical machines 261 that spin-on frame 25 adorns admittedly, rotating electrical machines 261 output is installed rotatory speed reducer 262, and driving pulley 263 is installed to rotatory speed reducer 262 output, and driving pulley 263 is connected with driven pulley 264 through hold-in range 265, and driven pulley 264 middle part is adorned admittedly and is equipped with lower pivot 266, and lower pivot 266 upwards runs through spin-on platform 21, and lower pivot 266 top is installed and is propped up dish 22 down.

As shown in fig. 8, the lifting mechanism 27 has the structure: the lifting mechanism comprises a lifting motor 274 fixedly mounted on the bottom surface of a top plate 251, wherein the output end of the lifting motor 274 upwards penetrates through the top plate 251, the upper end of the lifting motor 274 is connected with a lifting screw rod 271 through a belt transmission mechanism 273, the lifting screw rod 271 is matched with the belt transmission mechanism 273 in a screw pair manner, the lifting screw rod 271 downwards penetrates through the top plate 251, and the bottom end of the lifting screw rod 271 is fixedly mounted with a lifting plate 29; an elevating guide post 272 is installed between the top plate 251 and the elevating plate 29, and the elevating guide post 272 provides a guiding function for the elevating movement of the elevating plate 29.

The structure of the upper rotating assembly 28 is: the lifting screw rod 271 comprises a connecting block 291 fixedly arranged on the lifting plate 29, wherein the connecting block 291 is of an inverted U-shaped structure, and the bottom end of the lifting screw rod 271 is fixedly arranged with the connecting block 291; a rotating motor 284 is fixedly arranged on the lifting plate 29 positioned outside the connecting block 291, the output end of the rotating motor 284 is connected with an upper rotating shaft 282 through a second belt transmission mechanism 281, the upper rotating shaft 282 is positioned below the connecting block 291, the upper rotating shaft 282 is rotatably connected with the lifting plate 29 and penetrates downwards, and an upper support disc 283 is arranged at the bottom end of the upper rotating shaft 282.

Go up rotating assembly 28 and lower rotating assembly 26 by respective motor drive cooperation, synchronous rotation, effectively drive the synchronous rotation of drum 8 during it, the subassembly 23 is fed to the outside multiunit of edge and lower limb outside on the cooperation drum 8, thereby realized that drum 8 is last, rivet soon simultaneously of lower limb, go up rotating assembly 28 and lower rotating assembly 26 driven structural style separately, the problem that the aircraft nose concentricity required height about having now effectively been avoided, greatly reduced the holistic processing and assembly of equipment, the adjustment degree of difficulty, it realizes the pivoted synchronism through driving motor separately to change.

As shown in fig. 10, the feeding assembly 23 has the structure: the feeding mechanism comprises a supporting seat 231, a feeding motor 232 is installed in the supporting seat 231, a feeding speed reducer 233 is installed at the output end of the feeding motor 232, the output end of the feeding speed reducer 233 is connected with a feeding screw rod 235 through a small belt transmission mechanism 234, a nut 236 is fittingly sleeved on the outer circumferential surface of the feeding screw rod 235, a moving seat 237 is fixedly installed below the nut 236, a wheel seat 238 is installed at the end head of the moving seat 237, and a feeding wheel 239 is horizontally and rotatably installed in the wheel seat 238.

The feeding wheel 239 comprises a crimping wheel and an edge pressing wheel which are arranged at intervals, when riveting is conducted, the crimping wheel feeds force to the edge of the cylinder 8 to enable the cylinder 8 to be riveted and formed, and then the edge pressing wheel feeds force to the edge of the cylinder 8 to enable the cylinder 8 to be riveted firmly.

As shown in fig. 11, vertical pins 221 are installed at the edges of the opposite surfaces of the upper supporting disk 283 and the lower supporting disk 22, a transverse pin seat 222 is also installed at the edge of the upper supporting disk 283 or the lower supporting disk 22 located outside the circumference of the vertical pin 221, a radial through hole is formed in the transverse pin seat 222, a transverse pin 223 is installed in the through hole, the transverse pin 223 penetrates out from the outer end surface of the transverse pin seat 222, and a gas pipe joint 224 is installed at the through hole opening located at the inner end surface of the transverse pin seat 222; the top pin reset assemblies 24 corresponding to the transverse pins 223 are respectively mounted on the bottom surface of the lifting plate 29 positioned outside the upper supporting plate 283 or the spin riveting platform 21 positioned outside the lower supporting plate 22.

The positioning between the cylinder ring of the cylinder 8 and the cylinder cover and the bottom cover is simultaneously ensured by the transverse pin 223 and the vertical pin 221 during the spin riveting, so that the dislocation problem during the spin riveting is effectively avoided, the spin riveting precision and the appearance aesthetic consistency are ensured, and the spin riveting quality and efficiency of the cylinder are greatly improved.

As shown in fig. 12, the knock pin-reducing assembly 24 is structured as follows: the device comprises a support 241, wherein a small guide rail 242 is arranged on the support 241, and a push plate 246 is arranged on the support 241 positioned outside the end head of the small guide rail 242; an L-shaped block 243 is slidably mounted on the small guide rail 242, a knock pin cylinder 244 and a feed cylinder 245 are mounted on the inner bottom surface of the L-shaped block 243 in an opposite mode, the output end of the feed cylinder 245 is fixedly connected with a push plate 246, the output end of the knock pin cylinder 244 penetrates through the side wall of the L-shaped block 243, and a thimble 247 is mounted at the end of the output end of the knock pin cylinder 244.

The structure of the single group of traverse moving components 3 is as follows: the riveting device comprises a linear guide rail 31 fixedly mounted on a riveting platform 21, wherein the linear guide rail 31 penetrates through a riveting machine 2 from front to back, the front end of the linear guide rail 31 extends into a feeding machine 1, the rear end of the linear guide rail 31 extends into a discharging machine 4, and a feeding cylinder holding assembly 32 and a discharging cylinder holding assembly 33 are mounted on the linear guide rail 31 in parallel; under the driving of the traverse motor 34, the feeding cylinder embracing assemblies 32 on the two groups of traverse assemblies 3 are matched to move the cylinder 8 from the feeding machine 1 to the spin riveting machine 2, and the discharging cylinder embracing assemblies 33 on the two groups of traverse assemblies 3 are matched to move the cylinder 8 from the spin riveting machine 2 to the discharging machine 4.

The linear guide rails 31 in the two groups of traverse moving assemblies 3 extend forwards to two sides of the feeding rack 13 of the feeding machine 1.

The feeding cylinder embracing assembly 32 and the discharging cylinder embracing assembly 33 on the traversing assembly 3 synchronously move in the same direction along the linear guide rail 31 under the driving of the traversing motor 34, thereby realizing the synchronization of feeding and discharging and realizing the connection consistency and continuity of operation.

As shown in fig. 13, the structure of the feeding cylinder holding assembly 32 is: the cylinder 8 clamping device comprises a first lifting module 321 vertically arranged on a linear guide rail 31, wherein a first lifting block 324 moving along the first lifting module 321 is arranged on the inner side surface of the first lifting module 321, pneumatic sliding tables 322 are symmetrically arranged on two sides of the first lifting block 324, thin gas claws 323 are arranged on the single pneumatic sliding table 322, claw blocks 327 are arranged on the thin gas claws 323, and the four claw blocks 327 are matched to clamp and support the cylinder 8; a small air cylinder 325 is arranged on the inner side surface of the first lifting block 324, a bolt 326 is arranged at the output end of the small air cylinder 325, and the bolt 326 moves along the radial direction of the cylinder 8 under the action of the small air cylinder 325;

as shown in fig. 14, the structure of the blanking cylinder holding assembly 33 is: the cylinder 8 clamping device comprises a second lifting module 331 vertically installed on the linear guide rail 31, a second lifting block 332 moving along the second lifting module 331 is installed on the inner side face of the second lifting module 331, two pneumatic sliding tables 333 are symmetrically installed on two sides of the second lifting block 332, a clamping block 334 of an arc-shaped concave structure is installed on each second pneumatic sliding table 333, and the four clamping blocks 334 are matched to clamp the cylinder 8 in an encircling mode.

As shown in fig. 15, the structure of the blanking machine 4 is: the riveting machine comprises a blanking rack 41 arranged on the outer side surface of the riveting machine 2, a blanking platform 42 is arranged on the blanking rack 41, a blanking conveying line 43 is arranged on the blanking platform 42, and a baffle 44 is arranged on the blanking platform 42 at the end of the blanking conveying line 43.

the first step is as follows: placing the bottom cover of the cylinder 8 on a bottom supporting block 17 on a sliding plate 16 of the feeder 1, so that a hole in the bottom cover of the cylinder 8 is matched and embedded with the vertical pin 181; placing the cylinder 8 on the bottom cover; the bolt cylinder 185 works to push the side pin 184 to extend outwards, the side pin 184 is embedded in a hole at the lower end of the side wall of the cylinder ring of the cylinder 8, and the side pin 184 penetrates out of the cylinder 8; putting the cylinder cover of the cylinder 8 on the cylinder ring, and finishing feeding;

the second step is that: the feeding motor 12 works to drive the feeding screw rod 15 to rotate, the feeding screw rod 15 drives the sliding plate 16 matched with the screw pair to move towards the spin riveting machine 2 by taking the feeding guide rail 14 as a guide, and the sliding plate 16 moves to the transverse moving component 3;

the third step: the first lifting module 321 works, and the first lifting block 324 drives the first pneumatic sliding tables 322 at two sides to move downwards to the bottom cover of the cylinder 8; the first pneumatic sliding table 322 works to drive the thin-type pneumatic claw 323 and the claw block 327 to inwards approach the cylinder 8; the thin gas claw 323 works to drive the claw blocks 327 to extend to the lower part of the bottom cover of the cylinder 8, so that the four claw blocks 327 support the cylinder 8 in an encircling manner;

the fourth step: the latch cylinder 185 works in the reverse direction to pull the side pins 184 to retract; the first lifting module 321 works reversely to drive the first lifting block 324, the first pneumatic sliding table 322 and the thin gas claw 323 to move upwards, so that the claw block 327 lifts the cylinder 8 upwards; the traversing motor 34 works to drive the feeding cylinder holding assembly 32 to move into the spin riveting machine 2 along the linear guide rail 31, so that the cylinder 8 is positioned right above the lower support disc 22;

the fifth step: the first lifting module 321 works to enable the cylinder 8 to descend onto the lower support disc 22, and at the moment, the vertical pin 221 at the edge of the lower support disc 22 is matched with the hole in the bottom cover of the cylinder 8; the thin gas claw 323 works in reverse so that the claw block 327 releases the cylinder 8; the first pneumatic sliding table 322 drives the thin gas claw 323 to move backwards, and the first lifting module 321 works reversely to drive the first lifting block 324, the first pneumatic sliding table 322 and the thin gas claw 323 to move upwards for standby;

and a sixth step: when the lifting motor 274 works, the lifting screw rod 271 is driven to move downwards by the first belt transmission mechanism 273, the lifting plate 29 moves downwards along with the lifting screw rod to enable the upper supporting disk 283 to move to the cylinder cover of the cylinder 8, the vertical pin 221 at the edge of the upper supporting disk 283 is matched with a hole in the cylinder cover of the cylinder 8, the air pipe joint 224 is internally ventilated, the transverse pin 223 is enabled to extend outwards to a side hole in the cylinder cover or the bottom cover, and therefore the cylinder 8 is firmly installed between the upper supporting disk 283 and the lower supporting disk 22;

the seventh step: the rotating motor 284 and the rotating motor 261 work synchronously, the rotating motor 284 drives the upper rotating shaft 282 to rotate through the second belt transmission mechanism 281, and the upper supporting disk 283 rotates along with the upper rotating shaft; the rotating motor 261 drives the lower rotating shaft 266 to rotate through the rotating speed reducer 262, the driving belt wheel 263, the synchronous belt 265 and the driven belt wheel 264, and the lower support disc 22 rotates along with the rotation; so that the upper supporting disk 283 and the lower supporting disk 22 synchronously drive the cylinder 8 to rotate;

eighth step: meanwhile, a feeding motor 232 in the feeding assembly 23 works, the feeding motor 232 drives a feeding screw rod 235 to rotate through a feeding speed reducer 233 and a small belt transmission mechanism 234, the feeding screw rod 235 is matched with a screw pair of a nut 236, so that the nut 236 moves radially in the axial direction towards the cylinder 8, a moving seat 237 drives a wheel seat 238 and a feeding wheel 239 to move along with the nut 236, and the feeding wheel 239 is close to and attached to and extrudes the upper edge or the lower edge of the cylinder 8, so that the upper edge and the lower edge of the cylinder 8 are riveted;

the ninth step: the feeding motor 232 works reversely, so that the feeding wheel 239 is far away from the cylinder 8, the rotating motor 284 and the rotating motor 261 stop working, and the upper supporting disk 283 and the lower supporting disk 22 drive the cylinder 8 to stop rotating; stopping air supply in the air pipe joint 224, operating the feeding air cylinder 245, and reversely pushing the L-shaped block 243 to move towards the cylinder 8 with the small guide rail 242 as a guide so that the ejector pin 247 is close to the cylinder 8, wherein the ejector pin 247 is opposite to the transverse pin 223 at the upper edge or the lower edge of the cylinder 8; the pin ejecting cylinder 244 works to push the ejector pin 247 to eject the transverse pin 223 into the transverse pin base 222;

the tenth step: the traversing motor 34 works to drive the blanking embracing cylinder assembly 33 to move into the spin riveting machine 2 along the linear guide rail 31, so that the blanking embracing cylinder assembly 33 faces the cylinder 8; the second lifting module 331 works to drive the second lifting block 332 and the second pneumatic sliding table 333 to move downwards, and the holding block 334 moves downwards along with the movement; the pneumatic sliding table II 333 works to push the holding blocks 334 to be attached to the outer wall of the cylinder 8, and the four holding blocks 334 hold the cylinder 8 from the circumferential surface;

the eleventh step: the second lifting module 331 works reversely to drive the second lifting block 332 and the second pneumatic sliding table 333 to move upwards, and the embracing block 334 embraces the cylinder 8 to move upwards; the traversing motor 34 works reversely to drive the blanking cylinder holding assembly 33 to move from the spin riveting machine 2 to the blanking machine 4 along the linear guide rail 31; the second lifting module 331 works to drive the second lifting block 332 and the second pneumatic sliding table 333 to move downwards, and the embracing block 334 embraces the cylinder 8 to move downwards and falls onto a conveying belt of the blanking machine 4; and completing the full-automatic spin riveting of the cylinder 8.

The full-automatic rotary riveting device is compact and reasonable in structure and ingenious in layout, realizes full-automatic rotary riveting of the cylinder, is convenient to assemble and adjust the whole device, and is high in rotary riveting precision and good in consistency.

The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.

Claims

1. The utility model provides a full-automatic spin riveting machine which characterized in that: the automatic riveting device comprises a feeding machine (1), a spin riveting machine (2) and a blanking machine (4) which are sequentially connected, wherein the spin riveting machine (2) comprises a spin riveting platform (21), transverse moving assemblies (3) are symmetrically arranged on two sides of the upper surface of the spin riveting platform (21), the transverse moving assemblies (3) extend forwards into the feeding machine (1), and the transverse moving assemblies (3) extend backwards into the blanking machine (4); a lower rotating assembly (26) is arranged in the middle of the rotary riveting platform (21) in a penetrating mode, an upper rotating assembly (28) is arranged above the lower rotating assembly (26) at intervals, and cylinders (8) are jointly placed in the intervals of the upper rotating assembly (28) and the lower rotating assembly (26) and driven to rotate; and the feeding assembly (23) corresponds to the upper edge and the lower edge of the cylinder (8), and the feeding assembly (23) moves towards the radial direction of the cylinder (8) so as to apply force to the upper edge and the lower edge.

2. The full automatic spin riveting machine according to claim 1, characterized in that: the structure of the feeding machine (1) is as follows: the automatic feeding device comprises a feeding rack (13), wherein a feeding platform (11) is arranged on the feeding rack (13), feeding guide rails (14) are symmetrically arranged on two sides of the upper surface of the feeding platform (11), and sliding plates (16) are arranged on the two feeding guide rails (14) in a sliding mode; a feeding motor (12) is arranged on a feeding platform (11) positioned between the two feeding guide rails (14), a feeding screw rod (15) is arranged at the output end of the feeding motor (12), and the end of the feeding screw rod (15) is matched with a screw pair at the bottom of the sliding plate (16); a plurality of bottom supporting blocks (17) are installed on the sliding plate (16) at intervals along the circumferential direction, and vertical pins (181) are vertically installed on the bottom supporting blocks (17); a bolt mechanism (18) is mounted on the sliding plate (16) inside one or both of the bottom support blocks (17).

3. The full automatic spin riveting machine according to claim 2, characterized in that: the structure of the bolt mechanism (18) is as follows: the sliding bolt comprises a bolt seat (182) fixedly arranged on a sliding plate (16), wherein a bolt cylinder (185) is arranged at one end of the bolt seat (182), a guide block (183) is arranged at the output end of the bolt cylinder (185), and a groove for the guide block (183) to slide is formed in the other end of the bolt seat (182); the side surface of the guide block (183) is clamped with a side pin (184), and the side pin (184) penetrates through the bottom supporting block (17) outwards.

4. The full automatic spin riveting machine according to claim 1, characterized in that: the spin riveting machine (2) is structurally characterized in that: the riveting device comprises a riveting rack (25), wherein a riveting platform (21) is horizontally arranged in the middle of the riveting rack (25), a lower rotating assembly (26) is arranged at the bottom of the riveting platform (21), the lower rotating assembly (26) upwards penetrates through the riveting platform (21), a lower supporting disc (22) is arranged at the top end of the lower rotating assembly (26), and a plurality of groups of feeding assemblies (23) are arranged on the riveting platform (21) positioned on the outer side of the lower supporting disc (22) along the circumferential direction; a top plate (251) is installed at the top of the spin riveting rack (25), a lifting mechanism (27) is installed through the top plate (251), a lifting plate (29) is installed at the bottom end of the lifting mechanism (27), an upper rotating assembly (28) is installed through the lifting plate (29), an upper supporting disc (283) is installed at the bottom end of the upper rotating assembly (28), and the bottom surface of the lifting plate (29) positioned on the outer side of the upper supporting disc (283) is provided with a plurality of identical feeding assemblies (23) along the circumferential direction; a cylinder (8) is arranged between the upper supporting disk (283) and the lower supporting disk (22).

5. The full automatic spin riveting machine according to claim 4, characterized in that: the lower rotating assembly (26) is structured as follows: including being located spin rivet platform (21) bottom and with spin rivet rotating electrical machines (261) that frame (25) adorned admittedly, rotating reducer (262) are installed to rotating electrical machines (261) output, and driving pulley (263) are installed to rotating reducer (262) output, driving pulley (263) are connected with from driven pulley (264) through hold-in range (265), from driven pulley (264) middle part is adorned down pivot (266) admittedly, pivot (266) upwards run through spin rivet platform (21) down, prop dish (22) down on pivot (266) top down.

6. The full automatic spin riveting machine according to claim 4, characterized in that: the lifting mechanism (27) has the structure that: the lifting mechanism comprises a lifting motor (274) fixedly mounted on the bottom surface of a top plate (251), wherein the output end of the lifting motor (274) upwards penetrates through the top plate (251), the upper end of the lifting motor (274) is connected with a lifting screw rod (271) through a first belt transmission mechanism (273), the lifting screw rod (271) and the first belt transmission mechanism (273) are matched in a spiral pair mode, the lifting screw rod (271) downwards penetrates through the top plate (251), and the bottom end of the lifting screw rod (271) is fixedly mounted with a lifting plate (29).

7. The full automatic spin riveting machine according to claim 4, characterized in that: the upper rotating assembly (28) is structured as follows: including adorning connecting block (291) on lifter plate (29) admittedly, connecting block (291) are the U type structure of invering, are located lifter plate (29) outside connecting block (291) and adorn rotation motor (284) admittedly, rotation motor (284) output is connected with pivot (282) through two (281) belt drive mechanism, pivot (282) are located the below of connecting block (291) on, and pivot (282) are gone up and are rotated with lifter plate (29) and be connected and run through downwards, last supporting disk (283) are installed to pivot (282) bottom.

8. The full automatic spin riveting machine according to claim 4, characterized in that: the feeding assembly (23) is structured as follows: including supporting seat (231), install in supporting seat (231) and feed motor (232), feed motor (232) output and install and feed speed reducer (233), the output that feeds speed reducer (233) is connected with through little belt drive mechanism (234) and feeds lead screw (235), it is equipped with nut (236) to feed the cooperation cover on the outer periphery of lead screw (235), nut (236) below is adorned admittedly and is removed seat (237), removes seat (237) side end and installs wheel seat (238), wheel seat (238) interior horizontal rotation installs feed wheel (239).

9. The full automatic spin riveting machine according to claim 4, characterized in that: vertical pins (221) are mounted at the edges of the opposite surfaces of the upper supporting disc (283) and the lower supporting disc (22), transverse pin seats (222) are further mounted at the edges of the upper supporting disc (283) or the lower supporting disc (22) positioned on the outer side of the circumference of the vertical pins (221), radial through holes are formed in the transverse pin seats (222), transverse pins (223) are mounted in the through holes, the transverse pins (223) penetrate out of the outer end face of the transverse pin seats (222), and air pipe connectors (224) are mounted in through hole openings positioned on the inner end face of the transverse pin seats (222); the bottom surface of the lifting plate (29) positioned at the outer side of the upper supporting disc (283) or the spin riveting platform (21) positioned at the outer side of the lower supporting disc (22) is provided with the top pin resetting components (24) which are in one-to-one correspondence with the transverse pins (223).

10. The full automatic spin riveting machine according to claim 9, characterized in that: the structure of the ejector pin resetting component (24) is as follows: the device comprises a support (241), wherein a small guide rail (242) is arranged on the support (241), and a push plate (246) is arranged on the support (241) positioned outside the end head of the small guide rail (242); l type piece (243) is installed in slidable mounting on little guide rail (242), and knock pin cylinder (244) and feed cylinder (245) are installed on the back on the bottom surface in L type piece (243), the output and push pedal (246) rigid coupling of feed cylinder (245), the lateral wall of L type piece (243) is run through to the output of knock pin cylinder (244), and thimble (247) are installed to the output end of knock pin cylinder (244).

11. The full automatic spin riveting machine according to claim 1, characterized in that: the structure of the single group of traverse moving components (3) is as follows: the riveting device comprises a linear guide rail (31) fixedly mounted on a riveting platform (21), wherein the linear guide rail (31) penetrates through a riveting machine (2) from front to back, the front end of the linear guide rail (31) extends into a feeding machine (1), the rear end of the linear guide rail (31) extends into a discharging machine (4), and a feeding cylinder holding assembly (32) and a discharging cylinder holding assembly (33) are mounted on the linear guide rail (31) in parallel; under the driving of a traverse motor (34), the feeding cylinder embracing assemblies (32) on the two groups of traverse assemblies (3) are matched to move the cylinder (8) from the feeding machine (1) to the spin riveting machine (2), and the discharging cylinder embracing assemblies (33) on the two groups of traverse assemblies (3) are matched to move the cylinder (8) from the spin riveting machine (2) to the discharging machine (4).

12. The full automatic spin riveting machine according to claim 11, characterized in that: the structure of the feeding cylinder embracing assembly (32) is as follows: the cylinder clamping device comprises a first lifting module (321) vertically installed on a linear guide rail (31), wherein a first lifting block (324) moving along the first lifting module is installed on the inner side surface of the first lifting module (321), pneumatic sliding tables (322) are symmetrically installed on two sides of the first lifting block (324), thin gas claws (323) are installed on the single pneumatic sliding table (322), claw blocks (327) are installed on the thin gas claws (323), and four claw blocks (327) are matched to clamp and hold a cylinder (8) up; a small air cylinder (325) is installed on the inner side surface of the first lifting block (324), a bolt (326) is installed at the output end of the small air cylinder (325), and the bolt (326) moves along the radial direction of the cylinder (8) under the action of the small air cylinder (325);

the blanking cylinder holding assembly (33) is structurally characterized in that: including vertical installation in linear guide (31) the second (331) of lifting module, the second (332) of elevator block of its removal is installed along to the second (331) medial surface of lifting module, and pneumatic slip table two (333) are installed to elevator block two (332) bilateral symmetry, all install on single pneumatic slip table two (333) embracing piece (334) of arc indent structure, four are embraced the piece (334) cooperation and are embraced drum (8) and press from both sides tightly.

13. The use method of the full-automatic spin riveting machine according to claim 1 is characterized in that: the method comprises the following steps:

the first step is as follows: placing the bottom cover of the cylinder (8) on a bottom supporting block (17) on a sliding plate (16) of the feeding machine (1) so that a hole in the bottom cover of the cylinder (8) is matched and embedded with the vertical pin (181); placing the cylinder (8) on the bottom cover; the bolt cylinder (185) works to push the side pin (184) to extend outwards, the side pin (184) is embedded in a hole at the lower end of the side wall of the cylinder ring of the cylinder (8), and the side pin (184) penetrates out of the cylinder (8); putting the cylinder cover of the cylinder (8) on the cylinder ring, and finishing feeding;

the second step is that: the feeding motor (12) works to drive the feeding screw rod (15) to rotate, the feeding screw rod (15) drives the sliding plate (16) matched with the screw pair to move towards the spin riveting machine (2) by taking the feeding guide rail (14) as a guide, so that the sliding plate (16) moves to the transverse moving component (3);

the third step: the first lifting module (321) works, and the first lifting block (324) drives the first pneumatic sliding tables (322) at two sides to move downwards to the bottom cover of the cylinder (8); the pneumatic sliding table I (322) works to drive the thin type gas claw (323) and the claw block (327) to be close to the cylinder (8) inwards; the thin type gas claw (323) works to drive the claw blocks (327) to extend to the lower part of the bottom cover of the cylinder (8), so that the four claw blocks (327) support the cylinder (8) in an encircling manner;

the fourth step: the bolt cylinder (185) works reversely to pull the side pin (184) to retract; the first lifting module (321) works reversely to drive the first lifting block (324), the first pneumatic sliding table (322) and the thin gas claw (323) to move upwards, so that the claw block (327) lifts the cylinder (8) upwards; the transverse moving motor (34) works to drive the feeding cylinder holding assembly (32) to move into the spin riveting machine (2) along the linear guide rail (31), so that the cylinder (8) is positioned right above the lower support disc (22);

the fifth step: the first lifting module (321) works to enable the cylinder (8) to descend onto the lower supporting disc (22), and meanwhile, a vertical pin (221) at the edge of the lower supporting disc (22) is matched with a hole in the bottom cover of the cylinder (8); the thin gas claw (323) works reversely, so that the claw block (327) loosens the cylinder (8); the first pneumatic sliding table (322) drives the thin gas claw (323) to move backwards, and the first lifting module (321) works reversely to drive the first lifting block (324), the first pneumatic sliding table (322) and the thin gas claw (323) to move upwards for standby;

and a sixth step: the lifting motor (274) works, the lifting screw rod (271) is driven to move downwards through the belt transmission mechanism I (273), the lifting plate (29) moves downwards along with the lifting screw rod, the upper supporting disc (283) moves to the cylinder cover of the cylinder (8), the vertical pin (221) at the edge of the upper supporting disc (283) is matched with the hole in the cylinder cover of the cylinder (8), the air pipe joint (224) is internally ventilated, the transverse pin (223) is enabled to extend outwards to the side hole in the cylinder cover or the bottom cover, and therefore the cylinder (8) is firmly installed between the upper supporting disc (283) and the lower supporting disc (22);

the seventh step: the rotating motor (284) and the rotating motor (261) work synchronously, the rotating motor (284) drives the upper rotating shaft (282) to rotate through the second belt transmission mechanism (281), and the upper supporting disc (283) rotates along with the rotating motor; the rotating motor (261) drives the lower rotating shaft (266) to rotate through the rotating speed reducer (262), the driving belt wheel (263), the synchronous belt (265) and the driven belt wheel (264), and the lower supporting disc (22) rotates along with the lower rotating shaft; thereby the upper supporting disk (283) and the lower supporting disk (22) synchronously drive the cylinder (8) to rotate;

eighth step: meanwhile, a feeding motor (232) in the feeding assembly (23) works, the feeding motor (232) drives a feeding screw rod (235) to rotate through a feeding speed reducer (233) and a small belt transmission mechanism (234), the feeding screw rod (235) is in screw pair fit with a nut (236) to enable the nut (236) to axially move towards the cylinder (8) in the radial direction, a moving seat (237) drives a wheel seat (238) and a feeding wheel (239) to move along with the nut (236), and therefore the feeding wheel (239) is close to and attached to the upper edge or the lower edge of the extrusion cylinder (8), and the upper edge and the lower edge of the cylinder (8) are riveted;

the ninth step: the feeding motor (232) works in the reverse direction, so that the feeding wheel (239) is far away from the cylinder (8), the rotating motor (284) and the rotating motor (261) stop working, and the upper supporting disc (283) and the lower supporting disc (22) drive the cylinder (8) to stop rotating; stopping air supply in the air pipe joint (224), operating a feeding air cylinder (245), and reversely pushing an L-shaped block (243) to move towards the direction of the cylinder (8) by taking a small guide rail (242) as a guide so that an ejector pin (247) is close to the cylinder (8), wherein the ejector pin (247) is opposite to a transverse pin (223) at the upper edge or the lower edge of the cylinder (8); the ejector pin cylinder (244) works to push the ejector pin (247) to eject the transverse pin (223) into the transverse pin seat (222);

the tenth step: the transverse moving motor (34) works to drive the blanking cylinder holding assembly (33) to move into the spin riveting machine (2) along the linear guide rail (31), so that the blanking cylinder holding assembly (33) faces the cylinder (8); the second lifting module (331) works to drive the second lifting block (332) and the second pneumatic sliding table (333) to move downwards, and the holding block (334) moves downwards; the pneumatic sliding table II (333) works to push the holding blocks (334) to be attached to the outer wall of the cylinder (8), and the four holding blocks (334) hold the cylinder (8) from the circumferential surface;

the eleventh step: the second lifting module (331) works reversely to drive the second lifting block (332) and the second pneumatic sliding table (333) to move upwards, and the embracing block (334) embraces the cylinder (8) to move upwards; the transverse moving motor (34) works reversely to drive the blanking cylinder holding assembly (33) to move from the spin riveting machine (2) to the blanking machine (4) along the linear guide rail (31); the second lifting module (331) works to drive the second lifting block (332) and the second pneumatic sliding table (333) to move downwards, and the embracing block (334) embraces the cylinder (8) to move downwards along with the second lifting block and fall onto a conveying belt of the blanking machine (4); and completing the full-automatic spin riveting of the cylinder (8).