CN218192369U - Rivet gun - Google Patents

Abstract

The utility model discloses a rivet gun, inhale the nail ware including mending the nail locator, the cylinder block, hydro-cylinder body and vacuum, mend the nail locator and be connected fixedly with the cylinder block front end, the cylinder block rear end is connected fixedly with the hydro-cylinder body front end, the hydro-cylinder body rear end is inhaled the nail ware with the vacuum and is connected fixedly, the cylinder block is equipped with rivet clamping unit, be equipped with the stretch-break subassembly of constituteing by the two oil blanket structures of single spring in the hydro-cylinder body, rivet clamping unit with stretch-break subassembly sliding connection, rivet clamping unit with stretch-break subassembly linkage with the rivet break back, inhale the nail ware by the vacuum and accomplish the nail tail and arrange the material. The utility model discloses a subassembly is broken in the drawing that single spring two oil blanket structures are constituteed, it is even to have guaranteed that riveting mechanism atress, and it is smooth and easy to slide, and the blind rivet steady quality just is difficult to the oil leak, has adapted to automated production's stability of quality needs.

Description

Rivet gun

Technical Field

The utility model relates to a riveting technical field especially relates to a riveter.

Background

The rivet gun is used for fastening and riveting various metal plates, pipes and other manufacturing industries, and is widely used for riveting electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, decorations and the like at present. The rivet gun is developed for overcoming the defects that a nut is easy to melt and an internal thread is easy to slip when a metal sheet and a thin pipe are welded, the internal thread does not need to be tapped and the nut does not need to be welded when riveting, and the riveting is firm, high in efficiency and convenient and fast to use. However, the existing rivet gun is poor in control performance, riveting errors often occur, oil cylinders of various rivet guns are all single-spring single-oil seals, oil leakage is easy, and the existing rivet gun is not durable.

The Chinese invention with the name of 'a rivet gun' in application number 202010985642.7 and the Chinese utility model with the name of 'a rivet gun feeding device' in application number 202022053863.9 both disclose a rivet gun, which well solves the problems of poor control performance of the rivet gun and frequent riveting error, but because the driving mechanism of the rivet gun adopts double-spring driving, the problem of non-uniform left and right stress of the riveting mechanism and non-smooth sliding are easily caused, and the rivet is not smooth, and the rivet is not suitable for the quality stability requirement of automatic production.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a blind rivet quality is more stable, is difficult to the oil leak and is suitable for automated production's riveter to prior art not enough.

For solving the technical problem, the utility model discloses a technical scheme be a riveter, inhale the nail ware including benefit nail locator, cylinder block, hydro-cylinder body and vacuum, benefit nail locator with the cylinder block front end is connected fixedly, the cylinder block rear end with the hydro-cylinder body front end is connected fixedly, the hydro-cylinder body rear end with the vacuum is inhaled the nail ware and is connected fixedly, the cylinder block is equipped with rivet clamping component, be equipped with the broken subassembly of constituteing by the two oil blanket structures of single spring in the hydro-cylinder body, rivet clamping component with break subassembly sliding connection, rivet clamping component with break the subassembly linkage and break the back with the rivet, by the material is arranged to the tail of nail ware completion nail to the vacuum is inhaled the nail ware.

The oil cylinder body is provided with a snapping assembly composed of a single-spring double-oil-seal structure and comprises an oil cylinder barrel, an oil cylinder guide barrel, an oil cylinder first piston barrel, an oil cylinder second piston barrel, an oil cylinder fixing barrel, an oil cylinder piston end cover, an end cover inner barrel, an oil cylinder inner sleeve and an oil cylinder spring, wherein the oil cylinder guide barrel, the oil cylinder first piston barrel, the oil cylinder second piston barrel and the oil cylinder barrel inner wall are in sliding connection, the oil cylinder piston end cover is in threaded connection with the oil cylinder barrel left end, the end cover inner barrel left end is flush and in threaded connection with the oil cylinder piston end cover left end, the oil cylinder inner sleeve right end penetrates through the end cover inner barrel and the oil cylinder spring and then is in threaded connection with the oil cylinder guide barrel left end, the oil cylinder first piston barrel, the oil cylinder second piston barrel, the oil cylinder fixing barrel and the oil cylinder fixing barrel are sequentially arranged from the right end direction, the oil cylinder first piston barrel right end is abutted to the oil cylinder second piston barrel left end, the oil cylinder fixing barrel inner wall is in sliding connection with the oil cylinder guide barrel outer wall, and the oil cylinder guide barrel inner wall is in threaded connection with the oil cylinder guide barrel right end.

The oil cylinder is provided with a first oil hole and a second oil hole, and the first oil hole and the second oil hole are communicated with a cavity space formed by the outer surface of the first piston cylinder body of the oil cylinder, the left end face of the second piston cylinder body of the oil cylinder and the inner surface of the oil cylinder.

The outer surface of the oil cylinder guide cylinder is respectively provided with a dustproof groove and a first oil-proof groove, a dustproof sealing ring is arranged in the dustproof groove, and a first oil-proof sealing ring is arranged in the first oil-proof groove; a second oil-proof groove is formed in the outer surface of the first piston cylinder body of the oil cylinder, and a second oil-proof sealing ring is arranged in the second oil-proof groove; the outer surface of the second piston cylinder body of the oil cylinder is provided with a double third oil-proof groove, a third oil-proof sealing ring is arranged in the double third oil-proof groove, the inner surface of the second piston cylinder body is provided with a double first inner oil-proof groove, and a first inner oil-proof sealing ring is arranged in the double first inner oil-proof groove; and a second inner oil-proof groove is formed in the inner surface of the oil cylinder fixing cylinder body, and a second inner oil-proof sealing ring is arranged in the second inner oil-proof groove.

The rivet clamping assembly is arranged in the cylinder body and comprises a cylinder barrel, a cylinder piston end cover, a cylinder barrel end cover, a pull head, an inner piston barrel, a pull head thrust tube, an inner sliding barrel and a nail suction tube, the cylinder piston barrel is slidably connected with the inner wall of the cylinder barrel, the cylinder piston end cover is in threaded connection with the rear end of the cylinder piston barrel, the cylinder barrel end cover is in threaded connection with the front end of the cylinder barrel, the rear end of the pull head is in threaded connection with the front end of the cylinder piston barrel, the front end of the pull head extends out of the front end of the cylinder piston barrel, the inner piston barrel extends into the cylinder piston end cover and the cylinder piston barrel and is in sliding connection with the inner surface of the cylinder piston barrel, the rear end of the pull head is in threaded connection with the front end of the inner piston barrel, the front end of the inner sliding barrel sequentially extends into the cylinder barrel and the inner piston barrel and is in sliding connection with the inner piston barrel, the rear end of the inner sliding barrel extends out of the cylinder barrel and is in threaded connection with the inner surface of the cylinder guide barrel, and the front end of the nail suction tube extends out of the inner sliding barrel from the rear end of the inner sliding barrel.

The cylinder barrel is provided with a first air hole and a second air hole, the first air hole is communicated with a cavity space where the left side of the cylinder piston end cover is located, and the second air hole is communicated with a cavity space where the right side end of the cylinder piston barrel is located.

The outer surface of the cylinder piston barrel is provided with double piston sealing grooves, first cylinder sealing rings are arranged in the double piston sealing grooves respectively, double end cover sealing grooves are arranged on the inner surface of an end cover of the cylinder barrel, second cylinder sealing rings are arranged in the double end cover sealing grooves respectively, inner piston barrel grooves are arranged on the inner surface of the inner piston barrel, inner piston barrel sealing rings are arranged in the inner piston barrel grooves, steps are arranged on the left sides of the pull head thrust pipes, and step sealing rings are arranged on the steps.

Further, for guarantee pull head thrust tube outer wall with the sliding balance of cylinder piston barrel inner wall, as the utility model discloses an improve, pull head thrust tube outer wall has seted up balanced recess, be provided with balanced rubber circle in the balanced recess.

The slider comprises a slider barrel, a movable barrel, an inclined barrel, three inclined-plane claws, a first slider spring, a T-shaped barrel, a second slider spring and a gasket barrel, the outer surface of the left end of the slider barrel is fixedly connected with the inner surface of the right end of the cylinder piston barrel in a threaded manner, the outer surface of the left end of the movable barrel is fixedly connected with the inner surface of the right end of the slider thrust tube in a threaded manner, the inner surface of the left end of the movable barrel is fixedly connected with the outer surface of the right end of the nail suction tube in a threaded manner, the outer surface of the right end of the movable barrel is fixedly connected with the inner surface of the inclined barrel in a threaded manner, the inner inclined surface of the right end of the inclined barrel is slidably connected with the three inclined-plane claws, a sunken platform through hole is formed in the inner surface of the right end of the movable barrel, the first slider spring is arranged on a sunken platform of the sunken platform through hole, the T-shaped barrel is inserted into the first slider spring from the right end of the T-shaped barrel, the T-shaped head is slidably connected with the inner inclined surface of the inclined barrel, an outward convex boss is additionally arranged at the right end of the movable barrel, and the gasket barrel is sequentially sleeved between the boss and the right end of the slider thrust tube.

The nail ware is inhaled in vacuum includes a vacuum section of thick bamboo, a vacuum section of thick bamboo end cover, a location section of thick bamboo, connecting cylinder and outer takeover, a location section of thick bamboo is followed hydro-cylinder inner skleeve left end screw thread screw in connects, the connecting cylinder is followed hydro-cylinder inner skleeve left end screw thread screw in butt a location section of thick bamboo left end, a vacuum section of thick bamboo with connecting cylinder surface threaded connection, a vacuum section of thick bamboo end cover with vacuum section of thick bamboo left end threaded connection, outer takeover one end is passed a vacuum section of thick bamboo end cover with connecting cylinder surface threaded connection, the other end exposes vacuum section of thick bamboo end cover left side and outside vacuum air supply are connected.

The vacuum cylinder end cover inner hole is provided with a first sealing groove, an end cover sealing ring is arranged in the first sealing groove, a second sealing groove is formed in the outer surface of the connecting cylinder, and a connecting cylinder sealing ring is arranged in the second sealing groove.

Compared with the prior art, the utility model discloses a riveting mechanism atress is even, and it is smooth and easy to slide to have guaranteed that the subassembly breaks that the two oil blanket structures of single spring are constituteed, and the blind rivet stable in quality just is difficult to the oil leak, has adapted to automated production's stability of quality needs.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a second perspective view of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 isbase:Sub>A cross-sectional view A-A of the cylinder block of FIG. 1;

FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of the cylinder block of FIG. 1;

FIG. 7 is an enlarged view of area A of FIG. 6;

FIG. 8 isbase:Sub>A cross-sectional view taken along line A-A of the vacuum chuck of FIG. 1;

fig. 9 is a sectional view of the working state of the present invention.

Detailed Description

The following description will be made with reference to the accompanying drawings, but the present invention is not limited thereto.

Fig. 1 to 4 show a rivet gun, including mending the nail locator 1, cylinder block 2, the oil cylinder body 3 and vacuum nail suction device 4, mend nail locator 1 and 2 front ends of cylinder block and be connected fixedly, 2 rear ends of cylinder block and 3 front ends of oil cylinder body are connected fixedly, 3 rear ends of oil cylinder body and vacuum nail suction device 4 are connected fixedly, cylinder block 2 is equipped with rivet clamping component, be equipped with the stretch-break subassembly of constituteing by the two oil seals of single spring structure in the oil cylinder body 3, rivet clamping component and stretch-break subassembly sliding connection, rivet clamping component and stretch-break subassembly linkage are broken the rivet back, arrange the material by vacuum nail suction device 4 completion nail tail.

As shown in fig. 5, the oil cylinder body 3 is provided with a snapping assembly composed of a single-spring double-oil-seal structure, and includes an oil cylinder barrel 31, an oil cylinder guide barrel 32, an oil cylinder first piston barrel 33, an oil cylinder second piston barrel 34, an oil cylinder fixing barrel 35, an oil cylinder piston end cover 36, an end cover inner barrel 37, an oil cylinder inner barrel 38 and an oil cylinder spring 39, the oil cylinder guide barrel 32, the oil cylinder first piston barrel 33, the oil cylinder second piston barrel 34 are slidably connected with the inner wall of the oil cylinder barrel 31, the oil cylinder piston end cover 36 is in threaded connection with the left end of the oil cylinder barrel 31, the left end of the end cover inner barrel 37 is flush with and in threaded connection with the left end of the oil cylinder piston end cover 36, the right end of the oil cylinder 38 penetrates through the end cover inner barrel 37 and the oil cylinder spring 39 and then is in threaded connection with the left end of the oil cylinder guide barrel 32, the oil cylinder first piston barrel 33, the oil cylinder second piston barrel 34 and the oil cylinder fixing barrel 35 are sequentially arranged from the right end of the oil cylinder guide barrel 32, the right end, the oil cylinder guide barrel 33, the oil cylinder first piston barrel 34, the oil cylinder second piston barrel 34 and the oil cylinder fixing barrel 35 are in threaded connection with the oil cylinder fixing barrel 28, and the outer wall of the oil cylinder inner barrel 28 are connected with the oil cylinder barrel 32.

As shown in fig. 2 and 3, the oil cylinder 31 is provided with a first oil hole 311 and a second oil hole 312, and the first oil hole 311 and the second oil hole 312 are communicated with a cavity space formed by the outer surface of the first piston cylinder 33, the left end surface of the second piston cylinder 34 and the inner surface of the oil cylinder 31.

As shown in fig. 5, the outer surface of the cylinder guide cylinder 32 is provided with a dust-proof groove and a first oil-proof groove, respectively, the dust-proof groove is provided with a dust-proof sealing ring 321, and the first oil-proof groove is provided with a first oil-proof sealing ring 322; a second oil-proof groove is formed in the outer surface of the first piston cylinder body 33 of the oil cylinder, and a second oil-proof sealing ring 331 is arranged in the second oil-proof groove; the outer surface of the second piston cylinder body 34 of the oil cylinder is provided with double third oil-proof grooves, third oil-proof sealing rings 341 are arranged in the double third oil-proof grooves, double first inner oil-proof grooves are arranged on the inner surface of the second piston cylinder body, and first inner oil-proof sealing rings 342 are arranged in the double first inner oil-proof grooves; the fixed barrel 35 internal surface of hydro-cylinder is equipped with the interior grease proofing groove of second, and grease proofing sealing washer 351 in the grease proofing inslot is equipped with in the second.

As shown in fig. 6, a rivet clamping assembly is arranged in the cylinder block 2, and includes a cylinder barrel 21, a cylinder piston barrel 22, a cylinder piston end cover 23, a cylinder barrel end cover 24, a slider 25, an inner piston barrel 26, a slider thrust tube 27, an inner slide barrel 28 and a nail suction tube 29, the cylinder piston barrel 22 is slidably connected with the inner wall of the cylinder barrel 21, the cylinder piston end cover 23 is threadedly connected with the rear end of the cylinder piston barrel 22, the cylinder barrel end cover 24 is threadedly connected with the front end of the cylinder barrel 21, the rear end of the slider 25 is threadedly connected with the front end of the cylinder piston barrel 22, the front end thereof extends out of the front end of the cylinder barrel end cover 24, the inner piston barrel 26 extends into the cylinder piston end cover 23 and the cylinder piston barrel 22 and is slidably connected with the inner surface of the cylinder piston barrel 22, the slider thrust tube 27, the rear end thereof is threadedly connected with the front end of the inner piston barrel 26, the front end inner wall thereof is threadedly connected with the slider 25, the front end of the inner slide barrel 28 sequentially extends into the cylinder barrel 21, the inner piston barrel 26 and the rear end thereof extends out of the cylinder barrel 21, the rear end thereof extends out of the cylinder barrel guide tube 32 and the inner pin suction tube 29 is threadedly connected with the rear end of the inner cylinder barrel.

As shown in fig. 2 and 3, the cylinder 21 is provided with a first air hole 211 and a second air hole 212, the first air hole 211 is communicated with the cavity space at the left side of the cylinder piston end cover 23, and the second air hole 212 is communicated with the cavity space at the right side of the cylinder piston tube 22.

As shown in fig. 6, the outer surface of the cylinder piston cylinder 22 is provided with double piston sealing grooves, the double piston sealing grooves are respectively provided with a first cylinder sealing ring 221, the inner surface of the cylinder end cover 24 is provided with double end cover sealing grooves, the double end cover sealing grooves are respectively provided with a second cylinder sealing ring 241, the inner surface of the inner piston cylinder 26 is provided with an inner piston cylinder groove, the inner piston cylinder groove is provided with an inner piston cylinder sealing ring 261, the left side of the slider thrust tube 27 is provided with a step, and the step is provided with a step sealing ring 271.

Further, for the sliding balance of guarantee pull head thrust tube 27 outer wall and cylinder piston barrel 22 inner wall, as the utility model discloses an improve, pull head thrust tube 27 outer wall has seted up balanced recess, is provided with balanced rubber circle 272 in the balanced recess.

As shown in fig. 7, the slider 25 includes a slider barrel 251, a movable barrel 252, an inclined barrel 253, three inclined pawl teeth 254, a first slider spring 255, a T-shaped barrel 256, a second slider spring 257 and a spacer barrel 258, the outer surface of the left end of the slider barrel 251 is fixedly connected with the inner surface of the right end of the cylinder piston barrel 22 in a threaded manner, the outer surface of the left end of the movable barrel 252 is fixedly connected with the inner surface of the right end of the slider thrust tube 27 in a threaded manner, the inner surface of the left end of the movable barrel 29 is fixedly connected with the outer surface of the right end of the nail suction tube 29 in a threaded manner, the outer surface of the right end of the movable barrel 252 is fixedly connected with the inner surface of the inclined barrel 253 in a threaded manner, the inner inclined surface of the right end of the inclined barrel 253 is slidably connected with the three inclined pawl teeth 254, the inner surface of the right end of the movable barrel 252 is provided with a recessed platform through hole, the first slider spring 255 is provided on a recessed platform of the T-shaped barrel 256, the right end of the slider barrel 252 is further provided with an outwardly protruding right end boss, and the slider barrel 258 and the second slider spring 257 is sequentially sleeved between the boss and the thrust tube 27.

As shown in fig. 8, the vacuum nail sucker 4 comprises a vacuum cylinder 41, a vacuum cylinder end cover 42, a positioning cylinder 43, a connecting cylinder 44 and an external connecting pipe 45, wherein the positioning cylinder 43 is screwed in along the left end of the cylinder inner sleeve 38, the connecting cylinder 44 is screwed in and abutted against the left end of the positioning cylinder 43 along the left end of the cylinder inner sleeve 38, the vacuum cylinder 41 is screwed in the outer surface of the connecting cylinder 44, the vacuum cylinder end cover 42 is screwed in the left end of the vacuum cylinder 41, one end of the external connecting pipe 45 penetrates through the vacuum cylinder end cover 42 to be screwed in the outer surface of the connecting cylinder 44, and the other end of the external connecting pipe is exposed out of the left side of the vacuum cylinder end cover 42 and connected with an external vacuum air source.

The inner hole of the vacuum cylinder end cover 42 is provided with a first sealing groove, an end cover sealing ring 421 is arranged in the first sealing groove, the outer surface of the connecting cylinder 44 is provided with a second sealing groove, and a connecting cylinder sealing ring 441 is arranged in the second sealing groove.

The utility model discloses the theory of operation: as shown in fig. 3, 5, 6, 7 and 9, in the operation of the present invention, rivets fall into the inside of the rivet fixing positioner (1) for positioning, compressed air enters the cylinder body 2 from the first air hole 211, the cylinder piston cylinder 22 moves to the right under the thrust action to push the slider 25 to extend outward, and simultaneously the compressed air also enters the cavity space formed by the inner surface of the cylinder piston cylinder 22 and the outer surface of the cylinder piston cylinder 26 to push the inner piston cylinder 26 to move to the right to drive the slider thrust tube 27 to push the movable cylinder 252,

then the movable barrel 252 pushes and presses the inclined barrel 253 to loosen and extrude the inclined three-jaw teeth 254, the three-jaw teeth in the inclined three-jaw teeth 254 are opened, and the tail of the rivet is inserted into the three-jaw teeth 254 and enters a working surface along with the extension of the pull head 25; when the compressed air enters the cylinder block 2 from the first air hole 211, the hydraulic oil is pumped out of the cylinder block 3 through the second oil hole 312, the cylinder guide cylinder 32 and the cylinder first piston cylinder 33 move rightward by the pumping force of the hydraulic oil, and the compression cylinder spring 39 is forced to be stretched.

As shown in fig. 3, 7 and 9, when the rivet pulling operation is started, compressed air in the cavity of the cylinder block 2 starts to exhaust from the first air hole 211, the compressed air enters the cylinder block 2 from the second air hole 212, the cylinder piston cylinder 22 moves leftwards under the thrust action to push the slider 25 to retract inwards into the extruded inclined cylinder 253, and simultaneously drives the inclined plane extruded inclined plane three claws 254 to fold the jammed rivet tail, meanwhile, compressed oil enters the cylinder block 2 from the first oil hole 311 to expand and pressurize, the cylinder guide cylinder 32 and the cylinder first piston cylinder 33 move leftwards to compress the cylinder spring 39, the cylinder guide cylinder 32 drives the inner slide cylinder 28 to move leftwards, the inner slide cylinder 28 moves leftwards until abutting against the left end of the inner piston cylinder 26 to drive the inner piston cylinder 26 to move leftwards, the cylinder 26 sequentially drives the slider thrust tube 27, the movable cylinder 252 and the inclined cylinder 253 to move leftwards, the inclined cylinder 253 further drives the inclined plane three claws 254 to further compress the rivet tail and pull the rivet tail leftwards to break, and the rivet tail is sucked into the rivet sucking gun 29 of the vacuum rivet sucking device and discharged into the outside of the rivet pulling device to complete a rivet pulling process.

Compared with the prior art, the utility model discloses a riveting mechanism atress is even, and it is smooth and easy to slide to have guaranteed that the subassembly breaks that the two oil blanket structures of single spring are constituteed, and the blind rivet stable in quality just is difficult to the oil leak, has adapted to automated production's stability of quality needs.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention.

Claims (9)

1. The utility model provides a rivet gun, inhales nail ware (4) including benefit nail locator (1), cylinder block (2), hydro-cylinder body (3) and vacuum, benefit nail locator (1) with cylinder block (2) front end is connected fixedly, cylinder block (2) rear end with hydro-cylinder body (3) front end is connected fixedly, hydro-cylinder body (3) rear end with vacuum inhale nail ware (4) and connect fixedly, its characterized in that, cylinder block (2) are equipped with rivet clamping component, be equipped with the subassembly of breaking of constituteing by the two oil blanket structures of single spring in hydro-cylinder body (3), rivet clamping component with break subassembly sliding connection, rivet clamping component with the subassembly linkage of breaking is broken the back with the rivet, by vacuum inhale nail ware (4) and accomplish the nail tail and arrange the material.

2. The rivet gun according to claim 1, characterized in that the cylinder body (3) is provided with a snap-off assembly composed of a single-spring double-oil-seal structure, which comprises a cylinder barrel (31), a cylinder guide barrel (32), a first cylinder piston barrel (33), a second cylinder piston barrel (34), a cylinder fixing barrel (35), a cylinder piston end cover (36), an end cover inner barrel (37), a cylinder inner sleeve (38) and a cylinder spring (39), wherein the cylinder guide barrel (32), the first cylinder piston barrel (33) and the second cylinder piston barrel (34) are slidably connected with the inner wall of the cylinder barrel (31), the cylinder piston end cover (36) is in threaded connection with the left end of the cylinder barrel (31), the left end of the end cover inner barrel (37) is flush with and in threaded connection with the left end of the cylinder piston end cover (36), the cylinder inner sleeve (38) penetrates through the end cover inner barrel (37) and the cylinder spring (39) and then is in threaded connection with the left end of the cylinder guide barrel (32), the cylinder guide barrel (32) is provided with the first cylinder piston (33) and the second cylinder piston barrel (34) and the right end of the cylinder piston barrel (31) in turn, the cylinder comprises a cylinder body (2), a first piston cylinder body (33), a second piston cylinder body (34), a fixed cylinder body (35) and a cylinder body, wherein the inner wall of the fixed cylinder body (35) is connected with the outer wall of an inner sliding cylinder (28) in a sliding mode, the right end of a cylinder guide cylinder (32) is connected with the outer wall of the left end of the inner sliding cylinder (28) in a threaded mode, a first oil hole (311) and a second oil hole (312) are formed in the cylinder body (31), and the first oil hole (311) and the second oil hole (312) are communicated with the cavity space formed by the appearance of the first piston cylinder body (33), the left end face of the second piston cylinder body (34) and the inner surface of the cylinder body (31).

3. A rivet gun as claimed in claim 2, characterized in that the outer surface of the cylinder guide cylinder (32) is respectively provided with a dust-proof groove and a first oil-proof groove, the dust-proof groove is internally provided with a dust-proof sealing ring (321), and the first oil-proof groove is internally provided with a first oil-proof sealing ring (322); a second oil-proof groove is formed in the outer surface of the first piston cylinder body (33) of the oil cylinder, and a second oil-proof sealing ring (331) is arranged in the second oil-proof groove; the outer surface of the second piston cylinder body (34) of the oil cylinder is provided with a double third oil-proof groove, a third oil-proof sealing ring (341) is arranged in the double third oil-proof groove, the inner surface of the double third oil-proof groove is provided with a double first inner oil-proof groove, and a first inner oil-proof sealing ring (342) is arranged in the double first inner oil-proof groove; the inner surface of the oil cylinder fixing cylinder body (35) is provided with a second inner oil-proof groove, and a second inner oil-proof sealing ring (351) is arranged in the second inner oil-proof groove.

4. Rivet gun according to claim 2, characterized in that a rivet clamping assembly is provided in the cylinder block (2), comprising a cylinder barrel (21), a cylinder piston barrel (22), a cylinder piston end cover (23), a cylinder barrel end cover (24), a slider (25), an inner piston barrel (26), a slider thrust tube (27), an inner slide barrel (28) and a pin suction tube (29), the cylinder piston barrel (22) is slidably connected with the inner wall of the cylinder barrel (21), the cylinder piston end cover (23) is threadedly connected with the rear end of the cylinder piston barrel (22), the cylinder barrel end cover (24) is threadedly connected with the front end of the cylinder barrel (21), the rear end of the slider (25) is threadedly connected with the front end of the cylinder piston barrel (22), the front end thereof extends out of the front end of the cylinder barrel end cover (24), the inner piston barrel (26) extends into the cylinder piston end cover (23) and the cylinder piston barrel (22) and is slidably connected with the inner surface of the cylinder piston barrel (22), the slider thrust tube (27), the rear end thereof is threadedly connected with the inner piston barrel (26) and the front end of the cylinder piston barrel (26) is threadedly connected with the inner wall of the cylinder piston barrel (21), the rear end of the nail sucking pipe extends out of the rear end body of the cylinder barrel (21) and is in threaded connection with the inner surface of the right end of the oil cylinder guide barrel (32), the front end of the nail sucking pipe (29) extends into the inner sliding barrel (28) from the rear end and is in threaded connection with the rear end of the slider (25), a first air hole (211) and a second air hole (212) are formed in the cylinder barrel (21), the first air hole (211) is communicated with a cavity space where the left side of the cylinder piston end cover (23) is located, and the second air hole (212) is communicated with a cavity space where the right side end of the cylinder piston barrel (22) is located.

5. A rivet gun as claimed in claim 4, characterized in that the outer surface of the cylinder piston cylinder (22) is provided with double piston seal grooves, the double piston seal grooves are respectively provided with a first cylinder seal ring (221), the inner surface of the cylinder end cover (24) is provided with double end cover seal grooves, the double end cover seal grooves are respectively provided with a second cylinder seal ring (241), the inner surface of the inner piston cylinder (26) is provided with an inner piston cylinder groove, the inner piston cylinder groove is provided with an inner piston cylinder seal ring (261), the left side of the pull head thrust tube (27) is provided with a step, and the step is provided with a step seal ring (271).

6. Rivet gun according to claim 4, characterized in that the outer wall of the pull head thrust tube (27) is provided with a balance groove, and a balance rubber ring (272) is arranged in the balance groove.

7. Riveter according to claim 4, characterized in that the pull head (25) comprises a pull head barrel (251), a movable barrel (252), an oblique body barrel (253), an oblique three-jaw tooth (254), a first pull head spring (255), a T-shaped barrel (256), a second pull head spring (257) and a shim barrel (258), the outer surface of the left end of the puller cylinder (251) is fixedly connected with the inner surface of the right end of the cylinder piston cylinder body (22) in a threaded manner, the movable cylinder (252), the outer surface of the left end of the zipper puller is in threaded connection with the inner surface of the right end of the puller thrust tube (27), the inner surface of the left end of the zipper puller is fixedly connected with the outer surface of the right end of the nail suction tube (29) in threaded connection, the outer surface of the right end of the movable cylinder (252) is fixedly connected with the inner surface of the inclined cylinder (253) in a threaded manner, the inner inclined plane of the cylinder body at the right end of the inclined cylinder (253) is connected with the three inclined plane claws (254) in a sliding way, a sinking platform through hole is arranged on the inner surface of the right end of the movable cylinder (252), the sinking platform of the sinking platform through hole is provided with the first pull head spring (255), the T-shaped cylinder (256) is inserted into the first pull head spring (255) and the sunken platform through hole from the right end, the T-shaped head of the T-shaped cylinder is connected with the inner inclined surface of the inclined cylinder (253) in a sliding way, the right end part of the movable cylinder (252) is additionally provided with a convex boss, and the gasket cylinder (258) and a second slider spring (257) are sequentially sleeved between the boss and the right end of the slider thrust tube (27).

8. The rivet gun as recited in claim 2, characterized in that the vacuum nail sucker (4) comprises a vacuum cylinder (41), a vacuum cylinder end cover (42), a positioning cylinder (43), a connecting cylinder (44) and an outer connecting pipe (45), the positioning cylinder (43) is screwed in along the left end of the cylinder inner sleeve (38), the connecting cylinder (44) is screwed in along the left end of the cylinder inner sleeve (38) and abuts against the left end of the positioning cylinder (43), the vacuum cylinder (41) is screwed in the outer surface of the connecting cylinder (44), the vacuum cylinder end cover (42) is screwed in the left end of the vacuum cylinder (41), one end of the outer connecting pipe (45) passes through the vacuum cylinder end cover (42) and is screwed in the outer surface of the connecting cylinder (44), and the other end of the outer connecting pipe is exposed out of the left side of the vacuum cylinder end cover (42) and is connected with an external vacuum air source.

9. Rivet gun according to claim 8, characterized in that the vacuum cylinder end cap (42) bore is provided with a first sealing groove in which an end cap sealing ring (421) is arranged, and the connecting cylinder (44) outer surface is provided with a second sealing groove in which a connecting cylinder sealing ring (441) is arranged.

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