CN220812512U - Full-automatic aviation nail sleeve local annealing machine - Google Patents

Abstract

The utility model discloses a full-automatic aviation nail sleeve local annealing machine, which comprises an upper center module and a heating mechanism, wherein the upper center module comprises an upper center assembly capable of moving up and down and rotating horizontally, the heating mechanism comprises a heating coil with a heating hole in the middle, and the full-automatic aviation nail sleeve local annealing machine further comprises: a lower center module; a blanking assembly; a blanking module; a material taking module; wherein the bottom of top tip subassembly is provided with argon gas protection device, and argon gas protection device can reciprocate and cover on heating coil with last tip subassembly, forms inclosed argon gas protection space between argon gas protection device and heating coil, and lower tip subassembly can upwards jack up the nail cover and pass the heating hole and alternate to argon gas protection device in, and with last tip subassembly cooperatees and carry out rotary heating. According to the utility model, the feeding and discharging time of the nail sleeve is saved, meanwhile, the oxidation of the nail sleeve during annealing can be prevented by the argon protection device, so that the annealing efficiency of the nail sleeve is improved, the annealing effect of the nail sleeve is also improved, and the annealing quality is obviously improved.

Description

Full-automatic aviation nail sleeve local annealing machine

Technical Field

The utility model relates to the technical field of annealing machines, in particular to a full-automatic aviation nail sleeve local annealing machine.

Background

In the assembly process of the aircraft wing and the airframe, when the nail drawing core rod axially applies an instantaneous large tensile force, the nail body of the high-temperature alloy material forms a bulge in an accurate annealing softening area, so that the aircraft self-plugging rivet can accurately assemble and combine the aircraft wing and the airframe skin together. The local annealing area of the nail body (also called a nail sleeve) requires that the surface heating temperature error is not more than +/-10 ℃, and the heating temperature and the heating uniformity of the annealing area have extremely high consistency requirements, so that the circumferential hardness of the annealed nail body is uniform and consistent, and finally, the consistency of rivet pulling force and the interchangeability of blind rivets are realized, thereby ensuring the flight safety of various airplanes and aircrafts.

The utility model patent with the application number 202123420275.5 discloses an intelligent local annealing device for a nail sleeve, wherein the nail sleeve is sucked by a vacuum rotary suction head, then the nail sleeve is conveyed onto a top rotating mechanism from top to bottom through a heating coil by a four-axis robot, and the nail sleeve is controlled to rotate by being matched with the top rotating mechanism, and is heated in a rotating way by the heating coil. The annealing device has great defects, firstly, because the nail sleeve without the protection device is easy to be oxidized by air when being heated, the annealing quality of the product is greatly influenced; secondly, after each time the nail sleeve finishes annealing operation, the four-axis robot is required to transfer the nail sleeve to a blanking position, that is, the feeding and the blanking of the nail sleeve are finished by the four-axis robot, so that a lot of unnecessary time is wasted in the feeding and blanking process, and the annealing efficiency of the nail sleeve is affected; thirdly, the vacuum rotary suction head is controlled to rotate through the four-axis robot in the annealing process, so that the nail sleeve is driven to rotate, the four-axis robot is controlled to rotate through the air cylinder, the annealing operation efficiency of the nail sleeve can be influenced due to limited rotating stroke and rotating speed of the air cylinder, and meanwhile, the concentricity between the nail sleeve and the jacking mechanism is accurately controlled through the four-axis robot, otherwise, the nail sleeve is heated unevenly in the annealing process, and the annealing quality is influenced.

Disclosure of utility model

The utility model aims to solve the problems, designs a full-automatic aviation nail sleeve local annealing machine, and solves the problems that the existing annealing machine is low in annealing efficiency, the annealing part of the nail sleeve is easy to oxidize and the like.

The technical scheme of the utility model for achieving the purpose is that the full-automatic aviation nail sleeve local annealing machine comprises an upper center module and a heating mechanism, wherein the upper center module comprises an upper center assembly capable of moving up and down and rotating horizontally, the heating mechanism comprises a heating coil with a heating hole in the middle, and the full-automatic aviation nail sleeve local annealing machine further comprises:

The lower center module comprises a lower center assembly capable of driving the nail sleeve to move up and down and horizontally rotate, and the lower center assembly at least comprises a mandrel inserted into the nail sleeve to position the nail sleeve;

The blanking assembly is provided with at least two blanking ports, a material distribution assembly is arranged in the blanking assembly, the material distribution assembly comprises a material distribution plate capable of rotating in a vertical plane, and good products and defective products of the nail sleeve for controlling the completion of annealing operation fall into the two blanking ports respectively;

The blanking module is horizontally arranged on one side of the lower center module and is used for pushing the annealed nail sleeve on the lower center module into the blanking module;

The material taking module comprises a rotatable clamping component, and the clamping component can clamp and insert the nail sleeve on the mandrel;

The bottom of top subassembly is provided with argon gas protection device, argon gas protection device can reciprocate and cover on heating coil along with last top subassembly, forms inclosed argon gas protection space between argon gas protection device and heating coil, down top subassembly can upwards jack up the nail cover and pass the heating hole and alternate to argon gas protection device in, with go up top subassembly cooperatees and carry out rotary heating.

Preferably, the local annealing machine further comprises a vibration disc feeding assembly, a direct vibration assembly in butt joint with the vibration disc feeding assembly and a material distributing and transferring assembly in butt joint with the direct vibration assembly, and the material taking module clamps the nail sleeve on the material distributing and transferring assembly and places the nail sleeve on the lower center assembly.

Preferably, the distributing and transferring assembly comprises a cylinder bracket, a transferring cylinder horizontally arranged on the cylinder bracket, a sliding plate horizontally connected with one side of the transferring cylinder in a sliding manner, a fixing plate arranged on the sliding plate, and a transferring block arranged on the fixing plate, wherein the output end of the transferring cylinder is connected with the sliding plate, a transferring groove for transferring a single nail sleeve is arranged on the transferring block, a stop block is arranged on the opposite side of the transferring plate in the transferring direction, the stop block is used for preventing the nail sleeve from being separated from the transferring groove in the moving process of the nail sleeve along with the transferring block, the stop block is fixedly arranged on the direct vibration assembly, and opposite-shooting sensors for detecting the position of the nail sleeve are arranged at two ends of the transferring block.

Preferably, the material taking module further comprises a four-axis robot, the clamping assembly is arranged on the four-axis robot, and the four-axis robot can control the clamping assembly to rotate in a vertical plane;

The clamping assembly comprises an air cylinder mounting seat, a finger air cylinder arranged on the air-operated finger mounting seat and two clamping jaws connected with the output end of the finger air cylinder, wherein the finger air cylinder can control the two clamping jaws to be closed to clamp the nail sleeve.

Preferably, the lower center module further comprises a vertically arranged base, a lifting driving mechanism arranged at the lower end of the base, a sliding seat which is connected to the base in an up-down sliding manner, a fixing seat arranged on one side of the sliding seat, and a rotary driving mechanism arranged on the fixing seat, wherein the lifting driving mechanism is in transmission connection with the sliding seat through a screw rod, the rotary driving mechanism and the lower center assembly are arranged on the fixing seat in parallel, and the rotary driving mechanism is in driving connection with the lower center assembly through a synchronous belt.

Preferably, the lower center assembly further comprises a lower center seat, a lower center shaft penetrating through the lower center seat, a copper seat installation body installed at the upper end of the lower center shaft, and a copper seat penetrating through the copper seat installation body, wherein bearings are arranged on the upper side and the lower side in the lower center seat, the lower center shaft is rotationally connected with the lower center seat through the bearings, a synchronizing wheel is arranged at the lower end of the lower center shaft, the synchronizing wheel is connected with the output end of the rotary driving mechanism through a synchronizing belt, a penetrating hole is formed in the center of the top of the copper seat, the mandrel is arranged in the penetrating hole, and the upper end of the mandrel is in a circular truncated cone shape.

Preferably, the upper center module further comprises a Z-axis lifting assembly, the upper center assembly comprises an upper center seat, an upper center shaft penetrating through the upper center seat and a center head connected with the lower end of the upper center shaft, the upper center seat is arranged at the bottom of the Z-axis lifting assembly and connected with the output end of the Z-axis lifting assembly, bearings are arranged on the upper side and the lower side in the upper center seat, the upper center shaft is rotatably connected with the upper center seat through the bearings, and the lower end of the lower center head is conical.

Preferably, the argon protection device comprises an argon protection cover, a connector connected with the side wall of the argon protection device and a gas pipe connected with the connector, wherein a through hole for inserting the upper center seat into the argon protection cover is formed in the top of the argon protection cover.

Preferably, the heating mechanism further comprises a heater connected with the heating coil, and a position adjusting assembly for adjusting the position of the heater.

Preferably, the blanking assembly comprises a feed bin, a good blanking pipeline and a defective blanking pipeline, wherein two discharge holes are formed in the bottom of the feed bin, and the good blanking pipeline and the defective blanking pipeline are respectively arranged at the two discharge holes;

The material distribution assembly further comprises a rotary cylinder arranged on the outer side of the storage bin and a material distribution rotating shaft connected with the output end of the rotary cylinder, and the material distribution plate is connected with the material distribution rotating shaft and is controlled to rotate.

Compared with the prior art, the beneficial effects are that:

According to the utility model, the nail sleeve is clamped and transferred onto the mandrel on the lower center module through the material taking module, the lower center module lifts the nail sleeve upwards, penetrates through the heating hole on the heating coil and is inserted into the argon protection device, the upper center module is matched with the upper center module to clamp the upper end and the lower end of the nail sleeve, the nail sleeve is controlled to rotate rapidly, concentricity between the nail sleeve and the heating coil is guaranteed, then the nail sleeve is uniformly heated through the heating coil, after annealing operation is completed, the nail sleeve is withdrawn from the argon protection device, the blanking module is used for jacking the nail sleeve into the blanking module, and the material distributing module in the blanking module can control good products and defective products in the nail sleeve to fall into the two blanking openings respectively.

Drawings

FIG. 1 is a schematic view of the overall structure of an annealing machine according to the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the structure of the dispensing transfer assembly;

FIG. 4 is a schematic diagram of a take-off module;

fig. 5 is a schematic structural view of the lower center module.

Fig. 6 is a schematic structural view of a lower center assembly in the lower center module;

FIG. 7 is a schematic view of the heating mechanism;

FIG. 8 is a schematic diagram of the structure of the upper tip module and the argon shield;

fig. 9 is a schematic structural view of an upper center assembly in the upper center module;

FIG. 10 is a schematic plan view of a blanking assembly and a dispensing assembly;

FIG. 11 is a schematic axial side view of the blanking assembly and the dispensing assembly;

FIG. 12 is a schematic structural view of a dispensing assembly;

FIG. 13 is a schematic diagram of the structure of the blanking module;

Fig. 14 is a comparative view of the staple sleeve after annealing with or without an argon shield.

In the figure, 1, a vibration disc feeding component; 2. a direct vibration assembly; 3. a material distribution and transfer assembly; 31. a cylinder bracket; 32. a transfer cylinder; 33. a slide plate; 34. a fixing plate; 35. a transfer block; 36. a correlation sensor; 4. a material taking module; 41. a four-axis robot; 42. a clamping assembly; 421. a cylinder mounting seat; 422. a finger cylinder; 423. a clamping jaw; 5. a lower center module; 51. a base; 52. a lifting driving mechanism; 53. a sliding seat; 54. a fixing seat; 55. a rotary driving mechanism; 56. a lower center assembly; 561. a lower center seat; 562. a lower tip shaft; 563. a copper base mounting body; 564. a copper base; 565. a mandrel; 57. a synchronizing wheel; 6. a blanking module; 61. a blanking cylinder; 62. a push rod; 7. a heating mechanism; 71. a position adjustment assembly; 72. a heater; 73. a heating coil; 731. heating the hole; 8. an upper center module; 81. a Z-axis lifting assembly; 82. an upper tip assembly; 821. an upper center seat; 822. an upper tip shaft; 823. a top tip; 9. a blanking assembly; 91. a storage bin; 92. good product blanking pipelines; 93. defective blanking pipeline; 10. a temperature sensor; 11. a first mounting plate; 12. a second mounting plate; 13. a mounting frame; 14. a stop block; 15. a material distribution component; 151. a material distributing cylinder; 152. a material-distributing rotating shaft; 153. a material dividing plate; 16. an argon protection device; 161. an argon shield; 162. a connector; 163. and an air pipe.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a full-automatic local annealing machine for aviation nail sleeves, which mainly comprises an upper center module 8, a heating mechanism 7, a lower center module 5, a blanking module 9, a vibration disc feeding module 1, a direct vibration module 2, a distribution transfer module 3, a distribution module 15, a blanking module 6, a material taking module 4 and other modules, wherein the lower center module 5, the blanking module 9, the distribution transfer module 3 and the material taking module 4 are arranged on a first mounting plate 11, the vibration disc feeding module 1 and the direct vibration module 2 are arranged on a second mounting plate 12, the first mounting plate 11 is arranged in an up-down parallel manner, a mounting frame 13 is arranged on the first mounting plate 11, the upper center module 8, the heating mechanism 7 and the distribution module 15 are all arranged on the mounting frame 13, and the upper center module 8 is positioned right above the lower center module 5.

As shown in fig. 1, a discharge hole of a vibration plate feeding assembly 1 is in butt joint with a direct vibration assembly 2, a material distributing and transferring assembly 3 is in butt joint with the direct vibration assembly 2, a nail sleeve is conveyed to the direct vibration assembly 2 in a vibration conveying mode through the vibration plate feeding assembly 1, and the nail sleeve is conveyed to the material distributing and transferring assembly 3 in a linear arrangement mode through the direct vibration assembly 2.

Referring to fig. 3, the material distributing and transferring assembly 3 mainly comprises a cylinder bracket 31, a transferring cylinder 32, a sliding plate 33, a fixing plate 34, a transferring block 35 and other components, wherein the cylinder bracket 31 is fixedly arranged on the first mounting plate 11, the transferring cylinder 32 is horizontally arranged and fixedly arranged on the cylinder bracket 31, the sliding plate 33 is horizontally and slidingly connected with one side of the transferring cylinder 32, the output end of the transferring cylinder 32 is connected with the sliding plate 33, and the sliding plate 33 is controlled to horizontally move; the fixed plate 34 is fixed on the sliding plate 33, the transfer block 35 is fixed on the fixed plate 34, wherein at least one transfer groove for transferring single nail sleeves is arranged on one side of the transfer block 35, which is deviated to the direct vibration assembly 2, a stop block 14 is arranged on the opposite side of the transfer plate in the transfer direction, the stop block 14 is fixed on one side of a discharge hole of the direct vibration assembly 2, the stop block 14 can prevent the nail sleeves from being separated from the transfer block 35 in the moving process of the transfer block 35, and a pair of correlation sensors 36 are arranged at two ends of the transfer block 35 and used for detecting the positions of the nail sleeves.

The material taking module 4 is located at one side of the vibration plate feeding assembly 1 and the direct vibration assembly 2, the transferring direction of the transferring block 35 is the side where the material taking module 4 is located, and when the transferring block 35 transfers the nail sleeve to the designated position, the material taking module 4 can grasp the nail sleeve and place the nail sleeve on the lower center module 5.

As shown in fig. 4, the material taking module 4 mainly comprises a four-axis robot 41 and a gripping assembly 42, wherein the four-axis robot 41 has four moving axes, the last axis is a rotating axis, and the gripping assembly 42 can be controlled to rotate in a vertical plane through an air cylinder; the clamping assembly 42 mainly comprises an air cylinder mounting seat 421, a finger air cylinder 422 and two clamping jaws 423, wherein the air cylinder mounting seat 421 is fixedly arranged on the four-axis robot 41, the finger air cylinder 422 is fixedly arranged on the air cylinder mounting seat 421, the two clamping jaws 423 are connected with the output end of the finger air cylinder 422, and the two clamping jaws 423 are controlled to open and close by the finger air cylinder 422 to clamp nail sleeves in the transfer groove.

The annealing of the nail sleeve is completed through the cooperation of the upper center module 8, the lower center module 5 and the heating mechanism 7, as shown in fig. 5, the lower center module 5 mainly consists of a base 51, a lifting driving mechanism 52, a sliding seat 53, a fixed seat 54, a rotary driving mechanism 55, a lower center assembly 56 and the like, wherein the base 51 is vertically arranged on the first mounting plate 11, the sliding seat 53 is connected with a sliding rail on the base 51 in a sliding way up and down, the lifting driving mechanism 52 is arranged on the base 51, and is in driving connection with the sliding seat 53 through a screw rod to control the sliding seat 53 to lift up and down; the fixed base 54 is mounted and fixed on the sliding base 53, and the rotary drive mechanism 55 and the lower tip assembly 56 are disposed side by side on the fixed base 54.

Referring to fig. 6, the lower tip assembly 56 mainly consists of a lower tip seat 561, a lower tip shaft 562, a copper seat mounting body 563, a copper seat 564, a mandrel 565 and the like, wherein the lower tip seat 561 is mounted and fixed on the fixed seat 54, bearings are arranged at the upper and lower ends of the inner side of the lower tip seat 561, the lower tip shaft 562 is arranged on the lower tip seat 561 in a penetrating manner and is in rotational connection with the lower tip seat 561 through the bearings, a synchronous wheel 57 is arranged at the lower end of the lower tip shaft 562, the rotary driving mechanism 55 adopts a servo motor, the output end of the servo motor is in driving connection with the synchronous wheel 57 through a synchronous belt, and the servo motor controls the lower tip shaft 562 to rotate, so that the nail sleeve is driven to rotate for 360 degrees without limitation, and the rotating speed can be adjusted;

The copper seat installation body 563 is then installed and fixed on the upper end of the lower tip shaft 562, the copper seat 564 is installed and fixed on the copper seat installation body 563, and the upper end of the copper seat 564 stretches out from the top of the copper seat installation body 563, and the mandrel 565 is then installed and fixed in the copper seat 564, and the center of the top of the copper seat 564 is provided with a penetrating hole, the upper end of the mandrel 565 also stretches out upwards from the penetrating hole on the copper seat 564, the upper end of the mandrel 565 is in a truncated cone shape, the shape of the mandrel is matched with the groove at the top of the mandrel, the material taking module 4 can reversely put the mandrel on the copper seat 564, the mandrel is positioned through the upper end of the mandrel 565, and concentricity between the mandrel and the lower tip assembly 56 is ensured.

As shown in fig. 8 and 9, the upper tip module 8 mainly comprises an upper tip assembly 82 and an upper tip assembly 82, wherein the upper tip assembly 82 comprises an upper tip seat 821, an upper tip shaft 822 and a tip 823, the upper tip seat 821 is fixedly arranged at the bottom of the upper tip seat 821, bearings are arranged at the upper and lower ends of the inner side of the upper tip seat 821, the upper tip shaft 822 penetrates through the inner side of the upper tip seat 821 and is rotatably connected with the upper tip seat 821 through the bearings, the lower end of the upper tip shaft 822 extends downwards from the bottom of the upper tip seat 821, the tip 823 is fixedly arranged at the lower end of the upper tip shaft 822, the upper tip assembly 82 can be controlled to lift through the upper tip seat 821, a clamp spring is further arranged on the upper tip shaft 822 and is used for connecting the upper tip shaft 822 and the bearings, and the lower end of the tip 823 is conical in shape and is used for positioning a nail sleeve with various specifications, so that the positioning of the nail sleeve can be satisfied.

The lower end of the upper tip shaft 822 is further sleeved with a buffer spring, the buffer spring is located between the tip 823 and the bearing, after the tip 823 props against the nail sleeve when the tip 823 descends, the tip 823 can retract, the buffer spring can be compressed under force, and the buffer spring plays a role in buffering, so that the nail sleeve is prevented from being crushed.

As shown in fig. 8, the concentricity of the upper tip assembly 82 and the lower tip assembly 56 is consistent, so as to ensure that the mandrel 565 and the tip 823 can clamp the nail sleeve, an argon protecting device 16 is further arranged on the upper tip seat 821, the argon protecting device 16 is composed of an argon protecting cover 161, a connector 162 and an air tube 163, the argon protecting cover 161 is a cylindrical shell, the connector 162 is fixedly arranged on the shell of the argon protecting cover 161 and used for connecting the air tube 163 with the argon protecting cover 161, a through hole for inserting the upper tip seat 821 into the argon protecting cover 161 is arranged at the top of the argon protecting cover 161, and the upper tip assembly 82 extends into the argon protecting cover 161 through the through hole.

As shown in fig. 7, the heating mechanism 7 mainly comprises a heater 72, a position adjusting component 71 for adjusting the position of the heater 72, and a heating coil 73 mounted on the heater 72, wherein the position adjusting component 71 can adjust the up-down, front-back, left-right positions of the heating coil 73, a heating hole 731 for passing a nail sleeve is arranged on the heating coil 73, during operation, the upper tip component 82 is lifted, an argon protecting cover 161 covers the heating coil 73, a sealed argon protecting space is formed between the argon protecting cover 161 and the heating coil 73, the nail sleeve moves upwards along with the lower tip component 56, passes through the heating hole 731 on the heating coil 73, stretches into the argon protecting cover 161 and is abutted against the tip 823, then the lower tip shaft 562 can drive the nail sleeve to rotate, the copper seat 564, the mandrel 565 and the tip 823 can rotate along with the nail sleeve, the outer side of the nail sleeve is uniformly heated through the heating coil 73, argon is introduced into the nitrogen protecting cover during heating, and the nail sleeve is prevented from being oxidized during annealing.

Referring to fig. 13, the blanking module 6 mainly comprises a blanking cylinder 61 and a push rod 62, the blanking cylinder 61 is horizontally fixed on the mounting frame 13, the push rod 62 is connected with the output end of the blanking cylinder 61, and the annealed nail sleeve can be quickly pushed into the blanking assembly 9 through the push rod 62 without the need of the material taking module 4 to clamp the nail sleeve and put the nail sleeve on the blanking assembly 9.

As shown in fig. 10 and 11, the blanking assembly 9 mainly includes a bin 91 and two blanking pipelines, the bin 91 is mounted and fixed on the first mounting plate 11, two blanking ports are arranged at the bottom of the bin 91, the two blanking pipelines are respectively mounted at the two blanking ports, and the two blanking pipelines are respectively a good product blanking pipeline 92 and a defective product blanking pipeline 93; the dispensing assembly 15 is mounted on the bin 91.

As shown in fig. 12, the distributing assembly 15 mainly comprises a distributing cylinder 151, a distributing plate 153 and a distributing shaft 152, wherein the distributing cylinder 151 is mounted on the outer side of the bin 91, the distributing plate 153 is located on the inner side of the bin 91, the distributing shaft 152 is connected with the output end of the distributing cylinder 151, the other end of the distributing shaft 152 extends into the bin 91 to be connected with the distributing plate 153, the distributing cylinder 151 controls the distributing plate 153 to rotate in a vertical plane, and the distributing shaft 152 is connected with the bin 91 through a bearing.

Through rotatory feed divider 153, control nail cover falls into yields blanking pipeline 92 and defective products blanking pipeline 93 respectively from the discharge gate of feed bin 91 bottom, is provided with temperature sensor 10 on first mounting panel 11, and this temperature sensor 10 is used for detecting the temperature of the nail cover of accomplishing the annealing operation, and annealing temperature reaches predetermined target, is the yields, otherwise is the defective products, and the yields can fall into yields blanking pipeline 92 through feed divider 153, and the defective products can fall into yields blanking pipeline 93 through feed divider 153.

As shown in FIG. 14, the nail sleeve annealed by the annealing machine is obviously oxidized by air seriously under the premise of no protection of the argon protection device 16, the quality of the nail sleeve is greatly influenced, the nail sleeve is protected by the argon protection device 16 during annealing, no obvious oxidation sign exists, and the annealing quality is obviously improved.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims (10)

1. The utility model provides a local annealing machine of full-automatic aviation nail cover, includes top module (8), heating mechanism (7), wherein top module (8) are including can reciprocate and horizontally rotating top subassembly (82), heating mechanism (7) are including middle heating coil (73) that are equipped with heating hole (731), its characterized in that still includes:

the lower center module (5) comprises a lower center assembly (56) capable of driving the nail sleeve to move up and down and horizontally rotate, and the lower center assembly (56) at least comprises a mandrel (565) inserted into the nail sleeve for positioning the nail sleeve;

The blanking assembly (9) is provided with at least two blanking ports, a material distribution assembly (15) is arranged in the blanking assembly (9), the material distribution assembly (15) comprises a material distribution plate (153) capable of rotating in a vertical plane, and good products and defective products of the nail sleeve for controlling the annealing operation are respectively dropped into the two blanking ports;

The blanking module (6) is horizontally arranged on one side of the lower center module (5) and is used for pushing the annealed nail sleeve on the lower center module (56) into the blanking module (9);

A material taking module (4) comprising a rotatable clamping assembly (42), wherein the clamping assembly (42) can clamp and insert a nail sleeve on a mandrel (565);

The bottom of top subassembly (82) is provided with argon gas protection device (16), argon gas protection device (16) can reciprocate and cover on heating coil (73) along with top subassembly (82), forms inclosed argon gas protection space between argon gas protection device (16) and heating coil (73), top subassembly (56) down can be with the nail cover upwards jack-up and pass heating hole (731) and alternate to in argon gas protection device (16), with top subassembly (82) cooperate and carry out rotary heating.

2. The full-automatic aviation nail cover local annealing machine according to claim 1, further comprising a vibration disc feeding assembly (1), a direct vibration assembly (2) in butt joint with the vibration disc feeding assembly (1), and a material distributing and transferring assembly (3) in butt joint with the direct vibration assembly (2), wherein the material taking module (4) clamps the nail cover from the material distributing and transferring assembly (3) and places the nail cover on the lower center assembly (56).

3. A full-automatic aviation nail sheath local annealing machine according to claim 2, characterized in that the material-dividing transfer assembly (3) comprises a cylinder bracket (31), a transfer cylinder (32) horizontally arranged on the cylinder bracket (31), a sliding plate (33) horizontally and slidingly connected with one side of the transfer cylinder (32), a fixed plate (34) arranged on the sliding plate (33), and a transfer block (35) arranged on the fixed plate (34), wherein the output end of the transfer cylinder (32) is connected with the sliding plate (33), a transfer groove for transferring a single nail sheath is arranged on the transfer block (35), a stop block (14) is arranged on the opposite side of the transfer plate in the transfer direction, the stop block (14) is used for not separating from the groove in the process that the nail sheath moves along with the transfer block (35), the stop block (14) is fixedly arranged on the direct vibration assembly (2), and two ends of the transfer block (35) are provided with a correlation sensor (36) for detecting the position of the nail sheath.

4. A full-automatic aircraft nail sleeve local annealing machine according to claim 3, characterized in that the material taking module (4) further comprises a four-axis robot (41), the gripping assembly (42) and the four-axis robot (41) are mounted on the four-axis robot (41), and the four-axis robot (41) can control the gripping assembly (42) to rotate in a vertical plane;

The clamping assembly (42) comprises an air cylinder mounting seat (421), a finger air cylinder (422) arranged on the pneumatic finger mounting seat, and two clamping jaws (423) connected with the output end of the finger air cylinder (422), wherein the finger air cylinder (422) can control the two clamping jaws (423) to be closed to clamp the nail sleeve.

5. The full-automatic aviation nail sleeve local annealing machine according to claim 1, wherein the lower center module (5) further comprises a base (51) which is vertically arranged, a lifting driving mechanism (52) which is arranged at the lower end of the base (51), a sliding seat (53) which is connected to the base (51) in an up-down sliding manner, a fixing seat (54) which is arranged on one side of the sliding seat (53), and a rotary driving mechanism (55) which is arranged on the fixing seat (54), wherein the lifting driving mechanism (52) is in transmission connection with the sliding seat (53) through a screw rod, the rotary driving mechanism (55) and the lower center assembly (56) are arranged on the fixing seat (54) in parallel, and the rotary driving mechanism (55) is in driving connection with the lower center assembly (56) through a synchronous belt.

6. The full-automatic aviation nail sleeve local annealing machine according to claim 5, wherein the lower tip assembly (56) further comprises a lower tip seat (561), a lower tip shaft (562) penetrating through the lower tip seat (561), a copper seat mounting body (563) mounted at the upper end of the lower tip shaft (562), and a copper seat (564) penetrating through the copper seat mounting body (563), bearings are arranged on the upper side and the lower side in the lower tip seat (561), the lower tip shaft (562) is rotationally connected with the lower tip seat (561) through the bearings, a synchronizing wheel (57) is arranged at the lower end of the lower tip shaft (562), the synchronizing wheel (57) is connected with the output end of the rotary driving mechanism (55) through a synchronizing belt, a penetrating hole is formed in the top center of the copper seat (565), the mandrel (565) is arranged in the penetrating hole, and the upper end of the mandrel (565) is in a round table shape.

7. The full-automatic aviation nail sleeve local annealing machine according to claim 1, wherein the upper tip module (8) further comprises a Z-axis lifting assembly (81), the upper tip assembly (82) comprises an upper tip seat (821), an upper tip shaft (822) penetrating through the upper tip seat (821), and a tip head (823) connected with the lower end of the upper tip shaft (822), the upper tip seat (821) is installed at the bottom of the Z-axis lifting assembly (81) and connected with the output end of the Z-axis lifting assembly (81), bearings are arranged on the upper side and the lower side in the upper tip seat (821), the upper tip shaft (822) is rotatably connected with the upper tip seat (821) through the bearings, and the lower end of the lower tip head (823) is conical.

8. The full-automatic aviation nail sleeve local annealing machine according to claim 7, wherein the argon protection device (16) comprises an argon protection cover (161), a connector (162) connected with the side wall of the argon protection device (16), and an air pipe (163) connected with the connector (162), wherein a through hole for inserting an upper tip seat (821) into the argon protection cover (161) is formed in the top of the argon protection cover (161).

9. A fully automatic aircraft nail sleeve local annealing machine according to claim 1, characterized in that said heating mechanism (7) further comprises a heater (72) connected to a heating coil (73), and a position adjusting assembly (71) for adjusting the position of the heater (72).

10. The full-automatic aviation nail sleeve local annealing machine according to claim 1, wherein the blanking component (9) comprises a bin (91), a good blanking pipeline (92) and a defective blanking pipeline (93), wherein two discharge ports are arranged at the bottom of the bin (91), and the good blanking pipeline (92) and the defective blanking pipeline (93) are respectively arranged at the two discharge ports;

The material distribution assembly (15) further comprises a rotary cylinder arranged on the outer side of the storage bin (91) and a material distribution rotating shaft (152) connected with the output end of the rotary cylinder, and the material distribution plate (153) is connected with the material distribution rotating shaft (152) and controls the material distribution plate (153) to rotate.