CN116512151B

CN116512151B - An automatic clamping device for aerospace fastener processing

Info

Publication number: CN116512151B
Application number: CN202310371760.2A
Authority: CN
Inventors: 姜涛
Original assignee: SUZHOU AEROSPACE FASTENER CO Ltd
Current assignee: SUZHOU AEROSPACE FASTENER CO Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2026-03-17
Anticipated expiration: 2043-04-10
Also published as: CN116512151A

Abstract

The invention relates to the technical field of fasteners, in particular to an automatic clamping device for processing aerospace fasteners, which comprises a table panel, wherein a supporting component is arranged on the periphery of the table panel, a plurality of sliding holes are formed in the table panel, sliding blocks are respectively arranged on the inner sides of the sliding holes in a sliding mode, clamping jaw components are respectively arranged on the upper sides of the sliding blocks, driving rods are respectively fixed on the lower sides of the sliding blocks, fixed wedge-shaped blocks are respectively fixed at the lower ends of the driving rods, an automatic opening component is arranged between the table panel and the driving rods, a lifting frame is arranged on the lower side of the table panel, a guide lifting component is arranged between the lifting frame and the table panel, a clamping indirect driving component is respectively arranged on one side of the fixed wedge-shaped blocks, and a switchable selecting clamping jaw component is arranged on the lower side of the table panel. According to the invention, the universal clamping, automatic clamping, synchronous clamping, clamping jaw selection, automatic switching and automatic opening functions are realized by arranging the table panel, the sliding hole, the sliding block, the driving rod, the fixed wedge block, the lifting frame, the supporting plate, the supporting legs, the clamping frame and the clamping plate.

Description

Automatic clamping device for processing aerospace fasteners

Technical Field

The invention relates to the technical field of fasteners, in particular to an automatic clamping device for processing a space fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, articles and the like, so that the fastener is the most widely used mechanical foundation. It features various kinds and specifications, different performance and usage, and very high standardization, serialization and universalization degree. Therefore, a type of fastener with the existing national standard is also called a standard fastener or simply a standard component, and the fastener needs to be clamped and fixed by using a clamp in the processing process.

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.

Most of the clamps in the prior art are a vice clamp and a chuck clamp, the vice clamp can only clamp and fix square workpieces, the chuck clamp can only clamp and fix rotary workpieces, and the two clamps can not clamp square workpieces and clamp rotary workpieces, so that the universality is poor, the clamps also need to be replaced when the workpieces needing to be clamped are replaced, and the clamping device is very inconvenient.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, the clamp is mostly divided into a vice clamp and a chuck clamp, the vice clamp can only clamp and fix square workpieces, the chuck clamp can only clamp and fix rotary workpieces, and the two clamps can not clamp square workpieces and clamp rotary workpieces, so that the universality is poor, the clamp is required to be replaced when the workpieces needing to be clamped are replaced, and the inconvenience is very high.

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

The utility model provides an automatic clamping device is used in processing of space flight fastener, includes the deck plate, the deck plate periphery is equipped with supporting component, be equipped with a plurality of sliding holes on the deck plate, the sliding hole inboard all slides there is the sliding block, the sliding block upside all is equipped with the clamping jaw subassembly, the sliding block downside all is fixed with the actuating lever, the actuating lever lower extreme all is fixed with fixed wedge, be equipped with automatic opening subassembly between deck plate and the actuating lever, the deck plate downside is equipped with the crane, be equipped with the direction lifting assembly between crane and the deck plate, fixed wedge one side all is equipped with and presss from both sides tight indirect drive assembly, the deck plate downside is equipped with the switchable selection clamping jaw subassembly.

Preferably, the support assembly comprises a plurality of support plates, wherein the support plates are all fixed on the periphery of the table top plate, and support feet are all fixed on the lower sides of the support plates.

Preferably, the number of the sliding holes is eight, four of the eight sliding holes are arranged in a circumference equally-divided mode, and six of the eight sliding holes are arranged in a circumference equally-divided mode.

Preferably, the clamping jaw assembly comprises a clamping frame, the clamping frame is fixed on the upper side of the sliding block, a clamping plate is fixed on the clamping frame, and a plurality of anti-slip patterns are arranged on the clamping plate.

Preferably, the automatic opening assembly comprises a polygonal block, the polygonal block is fixed on the lower side of the table top plate, springs are fixed on one side of the driving rod, a plurality of containing grooves are formed in the polygonal block, and the other ends of the springs are fixed on the inner sides of the containing grooves.

Preferably, the guide lifting assembly comprises a fixing frame, a plurality of guide rods are fixed on the upper side of the fixing frame, the other ends of the guide rods are fixed on the lower side of the table panel, a plurality of guide holes are formed in the lifting frame, the guide rods are all slidable on the inner side of the guide holes, a driving frame is fixed on the inner side of the lifting frame, a threaded hole is formed in the driving frame, a threaded rod is connected to the inner side of the threaded hole through threads, a mounting groove is formed in the lower side of the polygonal block, the upper end of the threaded rod is rotatable on the inner side of the mounting groove, a through hole is formed in the lower side of the fixing frame, the threaded rod is rotatable on the inner side of the through hole, a hydraulic motor is fixed on the lower side of the fixing frame, the hydraulic motor is connected to an oil pump through an oil pipe in an external mode, and the shaft end of the hydraulic motor is connected to the periphery of the threaded rod through bevel gear transmission.

Preferably, the clamping indirect driving assembly comprises a bevel edge driving frame, the bevel edge driving frame can be contacted with the fixed wedge block, a through hole is formed in the bevel edge driving frame, a connecting shaft is rotated on the inner side of the through hole, two connecting seats are fixed on the periphery of the connecting shaft, the connecting seats are fixed on the lower side of the lifting frame, a plurality of friction reducing wheels are arranged on one side of the bevel edge driving frame, a supporting shaft is rotated on the inner side of the friction reducing wheels, two supporting seats are fixed on the periphery of the supporting shaft, and the supporting seats are fixed on the bevel edge driving frame.

Preferably, the switchable selection clamping jaw assembly comprises a fixed ring, the fixed ring is fixed at the lower side of the table top plate, the inner side of the fixed ring is provided with a rotary ring in a rotating mode, one side of the rotary ring is provided with a driving rotary assembly, ten selection vertical rods are fixed at the lower side of the rotary ring, six of the selection vertical rods are arranged in a circumference equally-divided mode, the other four selection vertical rods are arranged in a circumference equally-divided mode, and the selection vertical rods can be in contact with the friction reducing wheels.

Preferably, the drive rotating assembly comprises a connecting block, the connecting block is fixed on the periphery of the rotating ring, an arc hole is formed in the fixing ring, the connecting block is slidably arranged on the inner side of the arc hole, an arc rack is fixed on the connecting block, a B stepping motor is arranged on one side of the arc rack and fixed on a supporting leg, the B stepping motor is required to be externally connected with a drive controller and a power supply through a wire, a spur gear is fixed at the shaft end of the B stepping motor, the spur gear is connected with the arc rack through meshing transmission, an arc guide rail is fixed on the periphery of the fixing ring, the section of the arc guide rail is of a U-shaped structure, and the arc rack is slidably arranged on the inner side of the arc guide rail.

Preferably, a cushion block is fixed on the upper side of the table top plate, and the cushion block is of a cylindrical structure.

The invention provides an automatic clamping device for processing a space fastener, which has the beneficial effects that:

(1) Through setting up deck plate, slide hole, sliding block, actuating lever, fixed wedge, crane, backup pad, supporting legs, clamping jaw subassembly, direction lifting unit, press from both sides tight indirect drive subassembly, changeable selection clamping jaw subassembly, drive rotating assembly, make it have general clamping function, but clamp plate type work piece, circular work piece, square work piece, hexagonal work piece and square work piece have stronger commonality, change the work piece that needs processing and also need not to change anchor clamps, facilitate the use.

(2) Through setting up deck plate, slide hole, sliding block, actuating lever, fixed wedge, crane, clamping jaw subassembly, direction lifting unit, press from both sides tight indirect drive assembly, make it have self-holding, synchronous clamping function, can make a plurality of clamping plates draw close each other automatically, can realize self-holding, convenient to use has higher clamping efficiency, can indirectly improve machining efficiency.

(3) Through setting up slide hole, sliding block, actuating lever, fixed wedge, switchable selection clamping jaw subassembly, drive rotating assembly, make it have clamping jaw select, automatic switch function, but automatic switch selects the clamping jaw that needs to use, can select suitable clamping mode according to the work piece structure, but fast switch over use mode has higher convenience, facilitate the use.

(4) Through setting up slide hole, sliding block, actuating lever, fixed wedge, automatic opening subassembly, press from both sides tight indirect drive assembly, make it have automatic opening, reduce friction function, when needs loosen the work piece, can confirm that the grip block homoenergetic is automatic to open, be convenient for take away the work piece, convenient to use, and when pressing from both sides tight work piece, antifriction wheel can play the effect of reducing friction, can smooth and easy clamp the work piece, can improve spare part's life simultaneously.

Drawings

FIG. 1 is a schematic view of a front perspective structure of an automatic clamping device for processing aerospace fasteners;

FIG. 2 is a schematic view of a front cut-away perspective structure of an automatic clamping device for processing aerospace fasteners according to the present invention;

FIG. 3 is a schematic view of a front cut-away axial measurement structure of an automatic clamping device for processing aerospace fasteners;

FIG. 4 is a schematic view of the enlarged partial structure of the area A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a top cut-away perspective structure of an automatic clamping device for processing aerospace fasteners according to the present invention;

Fig. 6 is a schematic view of a partial enlarged structure of the B region in fig. 5 according to the present invention.

In the drawing, a panel 1, a sliding hole 2, a sliding block 3, a driving rod 4, a fixed wedge block 5, a lifting frame 6, a supporting plate 7, a supporting leg 8, a clamping frame 9, a clamping plate 10, a polygonal block 11, a spring 12, a fixing frame 13, a guide rod 14, a driving frame 15, a threaded rod 16, a hydraulic motor 17, a bevel edge driving frame 18, a connecting shaft 19, a connecting seat 20, a friction reducing wheel 21, a supporting shaft 22, a supporting seat 23, a fixed ring 24, a rotating ring 25, a vertical rod 26, a connecting block 27, an arc hole 28, an arc rack 29, a stepping motor 30B, a straight gear 31, an arc guide rail 32 and a cushion 33.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1-6, an automatic clamping device for processing aerospace fasteners comprises a deck plate 1, wherein a pad lifting block 33 is fixed on the upper side of the deck plate 1, the pad lifting block 33 is of a cylindrical structure, the pad lifting block 33 can be used for lifting a workpiece, a supporting component is arranged on the periphery of the deck plate 1 and comprises a plurality of supporting plates 7, the supporting plates 7 are all fixed on the periphery of the deck plate 1, supporting legs 8 are fixed on the lower side of the supporting plates 7, a plurality of sliding holes 2 are arranged on the deck plate 1, the number of the sliding holes 2 is eight, four sliding holes 2 in the eight are arranged in a circumference equally-divided manner, sliding blocks 3 are respectively arranged on the inner sides of the sliding holes 2, clamping jaw components are respectively arranged on the upper sides of the sliding blocks 3, each clamping jaw component comprises a clamping frame 9, each clamping frame 9 is fixed on the upper side of the sliding blocks 3, a clamping plate 10 is fixedly arranged on each clamping frame 9, and a plurality of anti-skid patterns are arranged on each clamping plate 10;

The driving rod 4 is fixed on the lower side of the sliding block 3, the fixed wedge block 5 is fixed on the lower end of the driving rod 4, the automatic opening assembly is arranged between the table panel 1 and the driving rod 4 and comprises a polygonal block 11, the polygonal block 11 is fixed on the lower side of the table panel 1, the spring 12 is fixed on one side of the driving rod 4, a plurality of accommodating grooves are formed in the polygonal block 11, the other end of the spring 12 is fixed on the inner side of the accommodating groove, the sliding hole 2, the sliding block 3, the driving rod 4, the fixed wedge block 5, the automatic opening assembly and the clamping indirect driving assembly are adopted, so that the automatic opening and friction reduction functions are realized, when a workpiece is required to be loosened, the clamping plate 10 can be determined to be automatically opened, the workpiece is convenient to take away, the friction reduction wheel 21 can play a role in reducing friction force, the workpiece can be smoothly clamped, and the service life of parts can be prolonged. When the workpiece is required to be loosened, the hydraulic motor 17 can be reversely controlled to rotate, so that the lifting frame 6 descends, and after the lifting frame 6 descends, the clamping frames 9 can automatically move due to the tension of the springs 12, so that the clamping frames 9 can automatically open, the workpiece can be conveniently taken away, and the use is convenient;

The lower side of the table top board 1 is provided with a lifting frame 6, a guide lifting assembly is arranged between the lifting frame 6 and the table top board 1, the guide lifting assembly comprises a fixed frame 13, a plurality of guide rods 14 are fixed on the upper side of the fixed frame 13, the other ends of the guide rods 14 are fixed on the lower side of the table top board 1, a plurality of guide holes are formed in the lifting frame 6, the guide rods 14 can slide on the inner sides of the guide holes, the inner sides of the lifting frame 6 are fixedly provided with driving frames 15, the driving frames 15 are provided with threaded holes, the inner sides of the threaded holes are connected with threaded rods 16 through threads, the lower sides of the polygonal blocks 11 are provided with mounting grooves, the upper ends of the threaded rods 16 can rotate on the inner sides of the mounting grooves, through holes are formed in the lower sides of the fixed frame 13, the threaded rods 16 can rotate on the inner sides of the through holes, a hydraulic motor 17 is fixed on the lower sides of the fixed frame 13, the hydraulic motor 17 is connected with an oil pump through an oil pipe in an external connection mode, and the shaft ends of the hydraulic motor 17 are connected with the periphery of the threaded rods 16 through bevel gears in a transmission mode;

The clamping indirect driving components are arranged on one side of the fixed wedge block 5, each clamping indirect driving component comprises a bevel edge driving frame 18, each bevel edge driving frame 18 can be contacted with the fixed wedge block 5, a through hole is arranged on each bevel edge driving frame 18, a connecting shaft 19 is rotated on the inner side of each through hole, two connecting seats 20 are fixed on the periphery of each connecting shaft 19, each connecting seat 20 is fixed on the lower side of each lifting frame 6, a plurality of friction reducing wheels 21 are arranged on one side of each bevel edge driving frame 18, each friction reducing wheel 21 is rotated on the inner side of each friction reducing wheel 21, a supporting shaft 22 is rotated, two supporting seats 23 are fixed on the periphery of each supporting shaft 22, each supporting seat 23 is fixed on each bevel edge driving frame 18, each table panel 1, each sliding hole 2, each sliding block 3, each driving rod 4, each fixed wedge block 5, each lifting frame 6, each clamping jaw component, each guiding lifting component and each clamping indirect driving component are provided with an automatic clamping and synchronous clamping function, the clamping plates 10 can be automatically drawn close to each other, automatic clamping can be realized, the clamping device is convenient to use, high clamping efficiency is achieved, machining efficiency can be indirectly improved, when a workpiece needs to be clamped, the hydraulic motor 17 can be controlled to rotate, when the hydraulic motor 17 rotates, the threaded rod 16 is driven to rotate through the bevel gear, the driving frame 15 and the lifting frame 6 can be lifted or lowered when the threaded rod 16 rotates, the lifting frame 6 can drive the bevel edge driving frame 18 to move together when the lifting frame 6 is lifted or lowered, when friction reducing wheels 21 on the bevel edge driving frame 18 contact the selection upright rods 26, the bevel edge driving frame 18 can rotate, a plurality of friction reducing wheels 21 on the bevel edge driving frame 18 can be positioned at the same vertical position, and meanwhile, the fixed wedge block 5 can slide on the bevel edge driving frame 18, so that the sliding block 3, the driving rod 4 and the fixed wedge block 5 can move, and the sliding block 3 can drive the clamping frame 9, the clamping plates 10 move together, so that a plurality of clamping frames 9 and the clamping plates 10 can be mutually close to each other, and automatic clamping and synchronous clamping can be realized;

the lower side of the table top board 1 is provided with a switchable selection clamping jaw assembly, the switchable selection clamping jaw assembly comprises a fixed ring 24, the fixed ring 24 is fixed at the lower side of the table top board 1, a rotating ring 25 is arranged on the inner side of the fixed ring 24, a driving rotating assembly is arranged on one side of the rotating ring 25, the driving rotating assembly comprises a connecting block 27, the connecting block 27 is fixed on the periphery of the rotating ring 25, the fixed ring 24 is provided with an arc hole 28, the connecting block 27 can slide at the inner side of the arc hole 28, an arc rack 29 is fixed on the connecting block 27, one side of the arc rack 29 is provided with a B stepping motor 30, the B stepping motor 30 is fixed on a supporting leg 8, the B stepping motor 30 is connected with a driving controller and a power supply through wires, a spur gear 31 is fixed at the shaft end of the B stepping motor 30, the spur gear 31 is connected with the arc rack 29 through meshing transmission, an arc guide rail 32 is fixed on the periphery of the fixed ring 24, the cross section of the arc guide rail 32 is of a U-shaped structure, the arc rack 29 can slide at the inner side of the arc guide rail 32, ten selection vertical rods 26 are fixed on the lower side of the rotating ring 25, six selection vertical rods 26 are arranged in circumference equally, four selection vertical rods 26 are arranged circumferentially, the rest four selection vertical rods 26 are arranged equally, the circumference are arranged equally, and are in circumference and are in equal contact with the table top board 1, and can be in contact with the friction reduction table top board 1, and can be contacted equally The sliding hole 2, the sliding block 3, the driving rod 4, the fixed wedge block 5, the lifting frame 6, the supporting plate 7, the supporting leg 8, the clamping jaw assembly, the guiding lifting assembly, the clamping indirect driving assembly, the switchable selecting clamping jaw assembly and the driving rotating assembly are arranged, so that the clamping device has a general clamping function and can clamp plate-shaped workpieces, round workpieces, square workpieces, and the like, The hexagonal workpiece and the square workpiece have stronger universality, the workpiece to be processed is replaced without replacing a clamp, the use is convenient, the workpiece to be clamped can be placed on the pad lifting block 33 and is required to be placed in the middle of the clamping plates 10 during use, then the lifting frame 6 is automatically lifted by controlling the rotation of the hydraulic motor 17, the lifting frame 6 can drive the bevel edge driving frame 18 to lift together when the lifting frame 6 lifts, the driving frame 18 can drive part of the clamping plates 10 to be mutually close to realize clamping, the B stepping motor 30 can be controlled to rotate when the other workpiece is required to be clamped, and the rotating ring 25 can be driven when the B stepping motor 30 rotates, The vertical rod 26 is selected to rotate together, so that different clamping frames 9 and clamping plates 10 can be selected to clamp workpieces, and a universal clamping function can be realized, and the sliding hole 2, the sliding block 3, the driving rod 4, the fixed wedge block 5, the switchable clamping jaw assembly and the driving rotating assembly are adopted, so that the clamping jaw has the functions of clamping jaw selection and automatic switching, the clamping jaw which is required to be used can be automatically switched and selected, a proper clamping mode can be selected according to the structure of the workpieces, the use mode can be quickly switched, the convenience is high, the use is convenient, and when different clamping frames 9 are required to rotate, When the clamping plate 10 clamps a workpiece, the B stepping motor 30 can be controlled to rotate for a certain number of turns, the B stepping motor 30 can drive the spur gear 31 to rotate when rotating, the spur gear 31 can drive the arc-shaped rack 29 to move when rotating, the arc-shaped rack 29 can drive the rotating ring 25 and the selecting vertical rod 26 to rotate, the selecting vertical rod 26 can rotate to different positions, automatic switching can be realized, different clamping frames 9 and the clamping plate 10 can be selected for use, different numbers of clamping frames 9 can be selected for use, the driving rod 4 on one side of the bevel driving frame 18 can move when the driving rod 4 and the selecting vertical rod 26 are only positioned between the driving rod 4 and the bevel driving frame 18, then the clamping jaw selecting function can be realized, when six clamping frames 9 are selected for use, the circular and hexagonal workpieces can be clamped, when four clamping frames 9 are selected for use, the square or square workpieces can be clamped, and when two clamping frames 9 are selected for use, the plate type or square workpieces can be clamped for use, and the use is convenient.

It should be noted that:

the hydraulic motor 17 and the B stepping motor 30 are provided in the present application, and specific methods and functions thereof are not described herein.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific circumstances.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. An automatic clamping device for aerospace fastener processing, comprising a table panel (1), characterized in that a support component is provided on the outer periphery of the table panel (1), a plurality of sliding holes (2) are provided on the table panel (1), sliding blocks (3) are slidably provided on the inner side of each sliding hole (2), a gripper component is provided on the upper side of each sliding block (3), a drive rod (4) is fixed on the lower side of each sliding block (3), a fixed wedge block (5) is fixed at the lower end of each drive rod (4), an automatic opening component is provided between the table panel (1) and the drive rod (4), a lifting frame (6) is provided on the lower side of the table panel (1), a guide lifting component is provided between the lifting frame (6) and the table panel (1), a clamping indirect drive component is provided on one side of each fixed wedge block (5), and a switchable gripper component is provided on the lower side of the table panel (1);

The clamping indirect drive assembly includes a bevel drive frame (18), which can contact the fixed wedge block (5). The bevel drive frame (18) is provided with a through hole, and a connecting shaft (19) is rotatably mounted inside the through hole. Two connecting seats (20) are fixed on the outer periphery of the connecting shaft (19). The connecting seats (20) are all fixed on the lower side of the lifting frame (6). A plurality of friction-reducing wheels (21) are provided on one side of the bevel drive frame (18). A support shaft (22) is rotatably mounted inside the friction-reducing wheels (21). Two support seats (23) are fixed on the outer periphery of the support shaft (22). The support seats (23) are all fixed on the bevel drive frame (18).

The switchable gripper assembly includes a fixed ring (24) fixed to the lower side of the table panel (1). A rotating ring (25) is rotatably mounted inside the fixed ring (24). A drive rotation assembly is provided on one side of the rotating ring (25). Ten selection rods (26) are fixed to the lower side of the rotating ring (25). Six of the selection rods (26) are evenly spaced in a circle, and the remaining four selection rods (26) are evenly spaced in a circle. The selection rods (26) can contact the friction-reducing wheel (21).

2. An automatic clamping device for aerospace fastener processing according to claim 1, characterized in that the support assembly includes a plurality of support plates (7), all of which are fixed on the outer periphery of the table panel (1), and all of which are fixed with support feet (8) on the lower side.

3. An automatic clamping device for aerospace fastener processing according to claim 1, characterized in that the number of sliding holes (2) is eight, four of the eight sliding holes (2) are equally divided in a circle, and six of the eight sliding holes (2) are equally divided in a circle.

4. An automatic clamping device for aerospace fastener processing according to claim 1, characterized in that the gripper assembly includes a clamping frame (9), the clamping frame (9) is fixed on the upper side of the sliding block (3), a clamping plate (10) is fixed on the clamping frame (9), and the clamping plate (10) is provided with a plurality of anti-slip textures.

5. An automatic clamping device for aerospace fastener processing according to claim 1, characterized in that the automatic opening component includes a polygonal block (11), the polygonal block (11) is fixed on the lower side of the table panel (1), a spring (12) is fixed on one side of the drive rod (4), a plurality of receiving grooves are provided on the polygonal block (11), and the other end of the spring (12) is fixed on the inner side of the receiving groove.

6. An automatic clamping device for aerospace fastener processing according to claim 5, characterized in that the guide lifting assembly includes a fixed frame (13), a plurality of guide rods (14) are fixed on the upper side of the fixed frame (13), the other end of the guide rods (14) is fixed on the lower side of the table panel (1), a plurality of guide holes are provided on the lifting frame (6), the guide rods (14) can slide inside the guide holes, a drive frame (15) is fixed on the inner side of the lifting frame (6), and the drive frame (15) is provided with threaded holes. A threaded rod (16) is threadedly connected to the inner side of the threaded hole. The lower side of the polygonal block (11) is provided with an installation groove. The upper end of the threaded rod (16) can rotate inside the installation groove. The lower side of the fixing bracket (13) is provided with a through hole. The threaded rod (16) can rotate inside the through hole. A hydraulic motor (17) is fixed to the lower side of the fixing bracket (13). The hydraulic motor (17) needs to be connected to an external oil pump through an oil pipe. The shaft end of the hydraulic motor (17) is connected to the outer periphery of the threaded rod (16) through a bevel gear transmission.

7. An automatic clamping device for aerospace fastener processing according to claim 2, characterized in that the driving rotation assembly includes a connecting block (27), the connecting block (27) is fixed on the outer periphery of the rotating ring (25), the fixing ring (24) is provided with an arc-shaped hole (28), the connecting block (27) is slidable inside the arc-shaped hole (28), an arc-shaped rack (29) is fixed on the connecting block (27), and a B stepper motor (30) is provided on one side of the arc-shaped rack (29). The stepper motor (30) is fixed on the support foot (8). The B stepper motor (30) needs to be connected to the external drive controller and power supply through the wire. The shaft end of the B stepper motor (30) is fixed with a spur gear (31). The spur gear (31) and the arc rack (29) are connected by meshing transmission. The outer circumference of the fixed ring (24) is fixed with an arc guide rail (32). The cross section of the arc guide rail (32) is a U-shaped structure. The arc rack (29) can slide on the inner side of the arc guide rail (32).

8. An automatic clamping device for aerospace fastener processing according to claim 1, characterized in that a lifting block (33) is fixed on the upper side of the table panel (1), and the lifting block (33) is a cylindrical structure.