CN213646349U

CN213646349U - Adjusting cylinder for pneumatic chuck

Info

Publication number: CN213646349U
Application number: CN202021726888.4U
Authority: CN
Inventors: 江渊
Original assignee: Changzhou Runyuan Precision Machinery Technology Co ltd
Current assignee: Changzhou Runyuan Precision Machinery Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-07-09
Anticipated expiration: 2030-08-18

Abstract

The utility model belongs to the technical field of press from both sides dress equipment and specifically relates to a pneumatic chuck is with adjusting cylinder is related to, installs in the housing, and the housing front end is sealed has the chuck body, and chuck body front end is provided with two sets of vertically mobilizable jack catch subassemblies of each other, has seted up the movable hole on the chuck body, and first link joint has been seted up to movable hole rear end both sides, and the jack catch subassembly includes the mobilizable jack catch seat in jack catch body and jack catch body rear end, and drive groove, its characterized in that have been seted up to jack catch seat bottom: the adjusting cylinder comprises a driving portion and a connecting portion, the driving portion is axially arranged, the front end of the driving portion is fixedly connected with the connecting portion, the rear end of the driving portion is communicated with an external air source, and the front end of the connecting portion penetrates through a movable hole of the chuck body and is movably connected with a driving groove of the jaw seat. The utility model adopts the pneumatic original adjusting claw to replace the electric adjusting claw, thereby effectively reducing the cost and ensuring the adjusting precision; and simultaneously, the utility model discloses can divide into two liang of drives with the chuck of four paws formula, can snatch multiple special-shaped pipe fitting.

Description

Adjusting cylinder for pneumatic chuck

Technical Field

The utility model belongs to the technical field of the clamp equipment of dress and specifically relates to a pneumatic chuck is with adjusting cylinder is related to.

Background

Laser cutting is the most important application technology in the laser processing industry, and has the characteristics of high speed, high precision, no deformation of workpieces and the like, so that the laser cutting technology is widely applied to the fields of automobiles, rolling stock manufacturing, aviation, chemical engineering, light industry, electrical appliances, electronics, petroleum, metallurgy and the like. In recent years, laser cutting technology has developed rapidly, and the laser cutting technology has increased at a rate of 20% to 30% every year internationally. The wide application market of laser cutting processing and the rapid development of modern science and technology enable domestic and foreign science and technology workers to conduct continuous research on laser cutting processing technology, and the laser cutting technology is promoted to develop continuously forward.

With the increasing expansion of the market of laser pipe cutting machines, the pneumatic chuck used by a laser complete machine factory at present generally adopts an electric or mechanical type to carry out manual adjustment, the electric adjustment has higher precision but higher cost and needs three claws or four claws to advance and retreat simultaneously, and some special-shaped pipe fittings are difficult to clamp; the manual mechanical adjustment is relatively convenient to adjust and can meet various adjusting scenes, but the adjustment time is long, the working procedure is complex, the adjustment precision is low, and the pipe fitting is easily damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a adjust cylinder that air chuck used, can be higher with two liang of separately adjustments of jack catch four paws and adjustment accuracy.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides an air chuck is with adjusting cylinder, installs in the housing, the housing front end is sealed has the chuck body, chuck body front end is provided with two sets of mutually perpendicular mobilizable jack catch subassemblies, the activity hole has been seted up on the chuck body, first link joint has been seted up to activity hole rear end both sides, the jack catch subassembly includes the mobilizable jack catch seat of jack catch body and jack catch body rear end, the drive groove has been seted up to jack catch seat bottom, and adjusting cylinder includes drive division and the connecting portion that set up along the axial, the front end of drive division with connecting portion fixed connection, the rear end communicates with each other with external air source, the connecting portion front end pass the activity hole of chuck body with the drive groove swing joint of jack catch seat.

Further, the driving portion comprises a rear cover, a front cover and a cylinder body arranged between the front cover and the rear cover, the rear cover is provided with an air guide hole, the rear end of the air guide hole is fixedly connected with an air guide column, a piston is accommodated in a cavity defined by the rear cover, the front cover and the cylinder body, and the front end of the piston is provided with a piston rod which penetrates through the front cover and extends forwards.

Further, connecting portion include interconnection adapter sleeve and outer joint cover, outer joint cover with protecgulum fixed connection, interconnection adapter sleeve with piston rod fixed connection, interconnection adapter sleeve and outer joint cover front end all are equipped with the second link joint, there is the flap second link joint through bolt swing joint in second link joint both sides, the flap other end has the connecting rod through bolt swing joint, the connecting rod includes integrated into one piece's rotation portion and linking portion, the terminal embedding of rotation portion the drive inslot rotates, the round pin shaft hole has been seted up at linking portion both ends, first link joint pass through the bolt with linking portion is close to the round pin shaft hole swing joint of rotation portion one side.

Further, the tail end of the rotating part is arc-shaped.

Furthermore, an included angle of 90-180 degrees is formed between the rotating part of the connecting rod and the connecting part.

To sum up, adopt the utility model discloses a technical scheme compares the beneficial effect that has in traditional technological means and is:

the utility model adopts the pneumatic original adjusting claw to replace the electric adjusting claw, thereby effectively reducing the cost and ensuring the adjusting precision; and simultaneously, the utility model discloses can divide into two liang of drives with the chuck of four paws formula, for the electrodynamic type adjustment, can snatch multiple special-shaped pipe fitting, be applicable to under the different scenes.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic view of the driving jaw seat of the outer connecting sleeve of the present invention.

Wherein: 100. the chain plate comprises a jaw assembly, 101 jaw seats, 102 jaw bodies, 103 driving grooves, 104 first chain plates;

200. the air cylinder comprises a driving part, 201, a rear cover, 202, a front cover, 203, a cylinder body, 204, an air guide hole, 205, an air guide column, 206, a piston, 207 and a piston rod;

300. a connecting part, 301, an inner connecting sleeve, 302, an outer connecting sleeve, 303, a second chain plate, 304, a hinge plate, 305, a connecting rod, 306, a rotating part, 307, an engaging part, 308, a pin shaft hole;

400. a housing;

500. chuck body, 501, movable groove.

Detailed Description

In the following, the preferred embodiments of the present invention will be explained, and various changes and modifications can be made by workers without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

The invention will be further described with reference to the following drawings:

referring to fig. 1 and 2 of the drawings of the specification, an adjusting cylinder for a pneumatic chuck is installed in a housing, a chuck body 500 is sealed at the front end of the housing, two sets of movable jaw assemblies 100 perpendicular to each other are arranged at the front end of the chuck body 500, a movable hole 501 is formed in the chuck body 500, first chain plates 104 are arranged on two sides of the rear end of the movable hole 501, each jaw assembly 100 comprises a jaw body 102 and a jaw seat 101, the rear end of each jaw body 102 is movable, a driving groove 103 is formed in the bottom end of each jaw seat 101, the adjusting cylinder comprises a driving portion 200 and a connecting portion 300, the driving portion 200 is fixedly connected with the connecting portion 300, the rear end of the driving portion is communicated with an external air source, and the front end of the connecting portion 300 penetrates through the movable hole 501 of the chuck body 500 to be movably connected with the driving. The driving part 200 comprises a rear cover 201, a front cover 202 and a cylinder 203 arranged between the front cover 202 and the rear cover 201, an air guide hole 204 is formed in the rear cover 201, an air guide column 205 is fixedly connected to the rear end of the air guide hole 204, a piston 206 is accommodated in a cavity defined by the rear cover 201, the front cover 202 and the cylinder 203, and a piston 206 rod which penetrates through the front cover 202 and extends forwards is arranged at the front end of the piston 206. Connecting portion 300 includes inner connecting sleeve 301 and outer connecting sleeve 302, outer connecting sleeve 302 and protecgulum 202 fixed connection, inner connecting

sleeve

301 and 206 pole fixed connection of piston, inner connecting sleeve 301 and outer connecting sleeve 302 front end all are equipped with second link joint 303, second link joint 303 both sides have a hinge plate 304 through bolt swing joint, the hinge plate 304 other end has a connecting rod 305 through bolt swing joint, connecting rod 305 includes integrated into one piece's rotation portion 306 and linking portion 307, rotation portion 306 end imbeds in the drive groove 103 and rotates, linking portion 307 both ends have seted up pin shaft hole 308, first link joint 104 is close to the pin shaft hole 308 swing joint of rotation portion 306 one side with linking portion 307 through the bolt. The end of the rotating part 306 is arc-shaped. The rotating portion 306 of the connecting rod 305 and the connecting portion 307 form an angle of 120 degrees.

The utility model discloses the theory of operation briefly states:

referring to fig. 2 of the drawings of the specification, in the adjusting cylinder, the driving portion 200 includes a front cover 202, a rear cover 201, a cylinder 203, a piston 206 rod, and the like, and the rear cover 201 is provided with an air vent 204 for facilitating air intake from an external air source, so as to push the piston 206 and the piston 206 rod to move, and in this process, the piston 206 rod drives the inner connecting sleeve 301 of the connecting portion 300 to work. When the connecting rod 305 moves to the corresponding position, the cylinder 203 moves backwards, which drives the outer connecting sleeve 302 to move. The inner connecting sleeve 301 and the outer connecting sleeve 302 are provided at the front ends thereof with a second link plate 303, and are movably connected with the hinge plate 304 through a pin, and the other end of the hinge plate 304 is movably connected with the first link plate 104, so that when the inner connecting sleeve 301 or the outer connecting sleeve 302 moves forward, the rotating part 306 of the connecting rod 305 is forced to move toward the center of the chuck body 500, thereby driving the jaw base 101 and the jaw assembly 100 to close, completing clamping, and vice versa, and driving the jaw assembly 100 to release. Therefore, in the embodiment, the inner connecting sleeve and the outer connecting sleeve move without interfering with each other, so that the corresponding claws driven by the connecting sleeves do not produce linkage, and can clamp various pipe fittings.

In practical production and use, the cylinder body 203 of the air cylinder needs to ensure air tightness, constant force and durability, and the minimum driving air pressure is not more than 0.2 Mpa; the inner connecting sleeve 301 is made of 42CrMo low-carbon alloy steel material, and final heat treatment is performed by nitriding treatment, so that the size, the roughness and the form and position tolerance of relative sliding of the inner connecting sleeve 301 are ensured; the outer connecting sleeve 302 is fixed with the front cover 202 through screws, the grade of the screws is 12.9, the outer connecting sleeve 302 is also made of 42CrMo low-carbon alloy steel materials, and finally, nitriding treatment is adopted in heat treatment, so that the size, the roughness and the form and position tolerance of relative sliding are ensured; the hinge plate 304 and the connecting rod 305 connected with the inner connecting sleeve and the outer connecting sleeve are made of 42CrMo low-carbon alloy steel materials, and the final heat treatment is quenching treatment, so that the hardness of the hinge plate 304 and the connecting rod 305 is ensured to be more than HRC50, the wear resistance is enhanced, and the service life is prolonged.

Claims

1. The utility model provides a pneumatic chuck is with adjusting cylinder installs in housing (400), housing (400) front end is sealed has the chuck body, chuck body (500) front end is provided with two sets of mutually perpendicular mobilizable jack catch subassemblies (100), activity hole (501) have been seted up on chuck body (500), first link joint (104) have been seted up to activity hole (501) rear end both sides, jack catch subassembly (100) are including the mobilizable jack catch seat (101) of jack catch body (102) and jack catch body (102) rear end, drive groove (103), its characterized in that have been seted up to jack catch seat (101) bottom: the adjusting cylinder comprises a driving portion (200) and a connecting portion (300) which are arranged along the axial direction, the front end of the driving portion (200) is fixedly connected with the connecting portion (300), the rear end of the driving portion is communicated with an external air source, and the front end of the connecting portion (300) penetrates through a movable hole of the chuck body and is movably connected with a driving groove (103) of the jaw seat (101).

2. The tuning cylinder for an air chuck according to claim 1, wherein: the driving part (200) comprises a rear cover (201), a front cover (202) and a cylinder body (203) arranged between the front cover (202) and the rear cover (201), an air guide hole (204) is formed in the rear cover (201), an air guide column (205) is fixedly connected to the rear end of the air guide hole (204), a piston (206) is contained in a cavity formed by the rear cover (201), the front cover (202) and the cylinder body (203), and a piston (206) rod which penetrates through the front cover (202) and extends forwards is arranged at the front end of the piston (206).

3. The tuning cylinder for an air chuck according to claim 2, wherein: the connecting part (300) comprises an inner connecting sleeve (301) and an outer connecting sleeve (302), the outer connecting sleeve (302) is fixedly connected with the front cover (202), the inner connecting sleeve (301) is fixedly connected with the piston (206) rod, the front ends of the inner connecting sleeve (301) and the outer connecting sleeve (302) are both provided with a second chain plate (303), the two sides of the second chain plate (303) are movably connected with hinge plates (304) through bolts, the other end of the hinge plate (304) is movably connected with a connecting rod (305) through a bolt, the connecting rod (305) comprises a rotating part (306) and a connecting part (307) which are integrally formed, the end of the rotating part (306) is embedded into the driving groove (103) and rotates, the two ends of the connecting part (307) are provided with pin shaft holes (308), and the first chain plate (104) is movably connected with the pin shaft holes (308) on one side, close to the rotating part (306), of the connecting part (307) through bolts.

4. The tuning cylinder for an air chuck according to claim 3, wherein: the tail end of the rotating part (306) is arc-shaped.

5. The tuning cylinder for an air chuck according to claim 3, wherein the rotating portion (306) of the connecting rod (305) is at an angle of 90-180 degrees to the engaging portion (307).