CN109351997B

CN109351997B - Pneumatic chuck

Info

Publication number: CN109351997B
Application number: CN201811448969.XA
Authority: CN
Inventors: 苏革烈
Original assignee: Wuhan Changxin Technology Development Co ltd
Current assignee: Wuhan Changxin Technology Development Co ltd
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2020-05-26
Anticipated expiration: 2038-11-29
Also published as: CN109351997A

Abstract

The invention discloses a pneumatic chuck, which comprises a transmission box, wherein the top of the inner wall of the transmission box is fixedly connected with a first fixed block, the inside of the first fixed block is fixedly connected with a first slide bar, two sides of the first slide bar are fixedly connected with the inner wall of the transmission box, and the bottom of the first fixed block is fixedly connected with a cylinder. According to the pneumatic chuck, the transmission case, the first fixing block, the first sliding rod, the air cylinder, the first fixing rod, the second sliding rod, the second fixing block, the transmission rod, the third fixing block, the fourth fixing block, the second fixing rod, the adjusting mechanism, the T-shaped block, the sliding block, the pull ring, the clamping rod, the fixing mechanism, the fixing pipe, the fifth fixing block, the third fixing rod and the sixth fixing block are arranged in a matched mode, the problems that an existing pneumatic chuck is complex in operation in the using process and workpiece installation is not easy to achieve, and therefore the workpiece processing speed is low are solved.

Description

Pneumatic chuck

Technical Field

The invention relates to the technical field of pneumatic chucks, in particular to a pneumatic chuck.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable jaws uniformly distributed on a chuck body, and generally consists of the chuck body, the movable jaws and a jaw driving mechanism 3.

Work piece processing is pressed from both sides tightly and need to use air chuck, but current air chuck complex operation in the use, is difficult for installing the work piece to cause the slow phenomenon of work piece process velocity, inconvenient user's use has reduced air chuck's practicality.

Disclosure of Invention

The invention aims to provide a pneumatic chuck, which has the advantage of convenience in use and solves the problems that the conventional pneumatic chuck is complex in operation and difficult in workpiece installation in the use process, so that the workpiece processing speed is low.

In order to achieve the purpose, the invention provides the following technical scheme: the pneumatic chuck comprises a transmission case, wherein a first fixed block is fixedly connected to the top of the inner wall of the transmission case, a first slide bar is fixedly connected to the inside of the first fixed block, the two sides of the first slide bar are fixedly connected with the inner wall of the transmission case, a cylinder is fixedly connected to the bottom of the first fixed block, a first fixed rod is fixedly connected to the output end of the cylinder, a second slide bar is movably connected to the two sides of the inside of the first fixed rod, the bottom of the second slide bar is fixedly connected with the bottom of the inner wall of the transmission case, a second fixed block is fixedly connected to the two sides of the top of the first fixed block, a transmission rod is movably connected to the back of the second fixed block through a first rotating shaft, a third fixed block is movably connected to the front top of the transmission rod through a second rotating shaft, a fourth fixed block is fixedly connected to the top of the third fixed block, and the inside of, the top fixedly connected with second dead lever of fourth fixed block, the top of second dead lever runs through the transmission case and extends to the top of transmission case, the top fixedly connected with adjustment mechanism of second dead lever, one side fixedly connected with fixed establishment that first fixed block was kept away from to the second dead lever.

Preferably, the adjusting mechanism comprises a T-shaped block, the bottom of the T-shaped block is fixedly connected with the top of the second fixing rod, a sliding block is movably connected to the surface of the T-shaped block, a pull ring is arranged at the front bottom of the sliding block, a clamping rod is fixedly connected to the back of the pull ring, and the back of the clamping rod penetrates through the sliding block and extends to the inside of the T-shaped block.

Preferably, fixed establishment is including fixed pipe, one side and the second dead lever fixed connection that fixed pipe is close to the second dead lever, the inner wall swing joint of fixed pipe has the fifth fixed block, one side fixedly connected with third dead lever of second dead lever is kept away from to the fifth fixed block, one side that the fifth fixed block was kept away from to the third dead lever runs through fixed pipe and fixedly connected with sixth fixed block, the bottom of sixth fixed block and the top fixed connection of transmission case.

Preferably, the two sides of the bottom of the first fixing rod are fixedly connected with first springs, and the bottoms of the first springs are fixedly connected with the bottom of the inner wall of the transmission case.

Preferably, the both sides on first slide bar surface all are equipped with the second spring, one side and the fourth fixed block fixed connection that the second spring is close to the fourth fixed block, one side that the fourth fixed block was kept away from to the second spring and the inner wall fixed connection of transmission case.

Preferably, the top of the transmission case is provided with an opening matched with a second fixing rod for use, the top of the second sliding rod is fixedly connected with a stop block, and the second fixing rod and one side of the sliding block close to the first fixing block are fixedly connected with clamping plates.

Preferably, the front of the T-shaped block is provided with a plurality of clamping grooves matched with the clamping rods for use, and the clamping grooves are uniformly distributed on the front of the T-shaped block.

Preferably, the front side of the surface of the clamping rod is sleeved with a tension spring, the front side of the tension spring is fixedly connected with the back side of the pull ring, and the back side of the tension spring is fixedly connected with the front side of the sliding block.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the pneumatic chuck, the transmission case, the first fixing block, the first sliding rod, the air cylinder, the first fixing rod, the second sliding rod, the second fixing block, the transmission rod, the third fixing block, the fourth fixing block, the second fixing rod, the adjusting mechanism, the T-shaped block, the sliding block, the pull ring, the clamping rod, the fixing mechanism, the fixing pipe, the fifth fixing block, the third fixing rod and the sixth fixing block are arranged in a matched mode, the problems that an existing pneumatic chuck is complex in operation in the using process and workpiece installation is not easy to achieve, and therefore the workpiece processing speed is low are solved.

2. According to the invention, the adjusting mechanism comprises the T-shaped block, the bottom of the T-shaped block is fixedly connected with the top of the second fixing rod, the surface of the T-shaped block is movably connected with the sliding block, the bottom of the front side of the sliding block is provided with the pull ring, the back side of the pull ring is fixedly connected with the clamping rod, and the back side of the clamping rod penetrates through the sliding block and extends into the T-shaped block, so that the device is suitable for clamping complex workpieces, the shaking of the workpieces is reduced, the processing precision of the device is improved, and the use by a user is facilitated.

3. According to the invention, the fixing mechanism comprises the fixing pipe, one side of the fixing pipe close to the second fixing rod is fixedly connected with the second fixing rod, the inner wall of the fixing pipe is movably connected with the fifth fixing block, one side of the fifth fixing block far away from the second fixing rod is fixedly connected with the third fixing rod, one side of the third fixing rod far away from the fifth fixing block penetrates through the fixing pipe and is fixedly connected with the sixth fixing block, and the bottom of the sixth fixing block is fixedly connected with the top of the transmission case, so that the second fixing rod can move leftwards and rightwards more stably, the shaking of the second fixing rod is reduced, the clamping capacity of the device is increased, the phenomenon of falling off of a workpiece is avoided.

4. According to the invention, the two sides of the bottom of the first fixing rod are fixedly connected with the first springs, and the bottoms of the first springs are fixedly connected with the bottom of the inner wall of the transmission case, so that the first fixing rod can always keep upward force, the structure is conveniently clamped, the structure is conveniently reset, the structure is prevented from being clamped, and the structure is conveniently transmitted.

5. According to the invention, the second springs are sleeved on the two sides of the surface of the first sliding rod, one side of each second spring, which is close to the fourth fixed block, is fixedly connected with the fourth fixed block, and one side of each second spring, which is far away from the fourth fixed block, is fixedly connected with the inner wall of the transmission case, so that the fourth fixed blocks can always keep a mutually close force, the phenomenon that the fourth fixed blocks are blocked is avoided, and the use flexibility of the device is improved.

6. According to the invention, the opening matched with the second fixing rod is formed in the top of the transmission case, the stop block is fixedly connected to the top of the second slide rod, the clamping plates are fixedly connected to one sides, close to the first fixing block, of the second fixing rod and the slide block, the clamping plates can limit the second fixing rod, the shaking of the second fixing rod is reduced, the transmission of the structure is facilitated, the phenomenon that the first fixing rod is separated from the second slide rod can be avoided by the stop block, the structure is prevented from being blocked, meanwhile, the workpiece can be conveniently fixed by the clamping plates, and the phenomenon that the workpiece falls off is avoided.

7. The clamping grooves matched with the clamping rods are formed in the front side of the T-shaped block, the clamping grooves are a plurality of and are uniformly distributed in the front side of the T-shaped block, so that the device can be adjusted more flexibly, the operation of a user is facilitated, the practicability of the device is improved, and the position of the sliding block is fixed more stably.

8. According to the invention, the tension spring is sleeved on the front side of the surface of the clamping rod, the front side of the tension spring is fixedly connected with the back side of the pull ring, and the back side of the tension spring is fixedly connected with the front side of the sliding block, so that the clamping rod can be better clamped into the T-shaped block, the stability of the sliding block is increased, and the sliding block is prevented from loosening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the transmission housing of the present invention;

FIG. 3 is an enlarged view of a portion of structure A of the present invention;

FIG. 4 is an enlarged view of a portion of structure B of the present invention;

FIG. 5 is a front view of the structural fixing mechanism of the present invention;

FIG. 6 is a right side view of the structural adjustment mechanism of the present invention;

FIG. 7 is a perspective view of a structural T-block of the present invention.

In the figure: the device comprises a transmission case 1, a first fixed block 2, a first sliding rod 3, a cylinder 4, a first fixed rod 5, a second sliding rod 6, a second fixed block 7, a transmission rod 8, a third fixed block 9, a fourth fixed block 10, a second fixed rod 11, an adjusting mechanism 12, a 1201T-shaped block, a slider 1202, a ring 1203 pull, a 1204 clamping rod, a fixing mechanism 13, a 1301 fixed pipe, a 1302 fifth fixed block, a 1303 third fixed rod, a 1304 sixth fixed block, a first spring 14, a second spring 15, an opening 16, a stop 17, a clamping plate 18, a clamping groove 19 and a tension spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the pneumatic chuck comprises a transmission case 1, a first fixed block 2 is fixedly connected to the top of the inner wall of the transmission case 1, a first slide bar 3 is fixedly connected to the inside of the first fixed block 2, both sides of the first slide bar 3 are fixedly connected to the inner wall of the transmission case 1, a cylinder 4 is fixedly connected to the bottom of the first fixed block 2, the cylinder 4 is a commercially available cylinder, a first fixed rod 5 is fixedly connected to the output end of the cylinder 4, a first spring 14 is fixedly connected to both sides of the bottom of the first fixed rod 5, the bottom of the first spring 14 is fixedly connected to the bottom of the inner wall of the transmission case 1, the first fixed rod 5 can always maintain an upward force by arranging the first spring 14, thereby facilitating the structure clamping, facilitating the structure resetting, avoiding the structure from being jammed, facilitating the structure transmission, both sides of the inside of the first fixed rod 5 are movably connected to second slide bars 6, the bottom of the second slide bar 6 is fixedly connected with the bottom of the inner wall of the transmission case 1, two sides of the top of the first fixed bar 5 are fixedly connected with a second fixed block 7, the back of the second fixed block 7 is movably connected with a transmission bar 8 through a first rotating shaft, the top of the front of the transmission bar 8 is movably connected with a third fixed block 9 through a second rotating shaft, the top of the third fixed block 9 is fixedly connected with a fourth fixed block 10, the inside of the fourth fixed block 10 is movably connected with the surface of the first slide bar 3, two sides of the surface of the first slide bar 3 are sleeved with second springs 15, one side of the second springs 15 close to the fourth fixed block 10 is fixedly connected with the fourth fixed block 10, one side of the second springs 15 far away from the fourth fixed block 10 is fixedly connected with the inner wall of the transmission case 1, the fourth fixed blocks 10 can always keep the force close to each other by arranging the second springs 15, thereby avoiding the fourth, the flexibility of the device is improved, the top of the fourth fixing block 10 is fixedly connected with a second fixing rod 11, the top of the second fixing rod 11 penetrates through the transmission case 1 and extends to the top of the transmission case 1, the top of the second fixing rod 11 is fixedly connected with an adjusting mechanism 12, the adjusting mechanism 12 comprises a T-shaped block 1201, the bottom of the T-shaped block 1201 is fixedly connected with the top of the second fixing rod 11, the surface of the T-shaped block 1201 is movably connected with a sliding block 1202, the front bottom of the sliding block 1202 is provided with a pull ring 1203, the back of the pull ring 1203 is fixedly connected with a clamping rod 1204, the back of the clamping rod 1204 penetrates through the sliding block 1202 and extends to the inside of the T-shaped block 1201, by arranging the adjusting mechanism 12, the device can be suitable for complex workpiece clamping, the workpiece shaking of the workpiece is reduced, the machining accuracy of the device is improved, the use of a user is facilitated, the top of the second sliding rod 6 is fixedly connected with a stop block 17, one side of the second fixing rod 11 and one side of the sliding block 1202 close to the first fixing block 2 are fixedly connected with a clamping plate 18, the opening 16, the stop block 17 and the clamping plate 18 are arranged to play a limiting role on the second fixing rod 11, the shaking of the second fixing rod 11 is reduced, the transmission of the structure is facilitated, the stop block 17 can avoid the phenomenon that the first fixing rod 5 is separated from the second sliding rod 6, the structure is prevented from being locked, meanwhile, the clamping plate 18 can conveniently fix a workpiece, the phenomenon that the workpiece falls off is avoided, the front surface of the T-shaped block 1201 is provided with a plurality of clamping grooves 19 matched with the clamping rods 1204 for use, the clamping grooves 19 are uniformly distributed on the front surface of the T-shaped block 1201, the adjustment of the device can be more flexible through the arrangement of the clamping grooves 19, the operation of a user is facilitated, the practicability of the, the front side of the surface of the clamping rod 1204 is sleeved with the tension spring 20, the front side of the tension spring 20 is fixedly connected with the back side of the pull ring 1203, the back side of the tension spring 20 is fixedly connected with the front side of the slider 1202, the clamping rod 1204 can be better clamped into the T-shaped block 1201 through the tension spring 20, the stability of the slider 1202 is improved, the slider 1202 is prevented from loosening, the side of the second fixing rod 11, which is far away from the first fixing block 2, is fixedly connected with the fixing mechanism 13, the fixing mechanism 13 comprises a fixing pipe 1301, the side, which is close to the second fixing rod 11, of the fixing pipe 1301 is fixedly connected with the second fixing rod 11, the inner wall of the fixing pipe 1301 is movably connected with a fifth fixing block 1302, the side, which is far away from the second fixing rod 11, of the fifth fixing block 1302 is fixedly connected with a third fixing rod 1303, the side, which is far away from the fifth fixing block 1303, penetrates through the fixing pipe, through setting up fixed establishment 13, can make second dead lever 11 remove about more stable, reduce rocking of second dead lever 11, increase the ability of device chucking, avoid the phenomenon that the work piece drops to appear, person of facilitating the use's use.

When the workpiece clamping device is used, when a user needs to clamp a workpiece, the air cylinder 4 is started, the air cylinder 4 drives the first fixing rod 5 to move downwards, the first fixing rod 5 drives the second fixing block 7 to move downwards, the second fixing block 7 drives the transmission rod 8 to move, the transmission rod 8 drives the third fixing blocks 9 to move away from each other, the third fixing blocks 9 drive the fourth fixing blocks 10 to move away from each other, the fourth fixing blocks 10 slide on the surface of the first slide bar 3, the fourth fixing blocks 10 drive the second fixing rods 11 to move away from each other, the second fixing rods 11 drive the adjusting mechanisms 12 to move away from each other, the workpiece is placed between the two clamping plates 18, the air cylinder 4 is contracted, the air cylinder 4 drives the first fixing rods 5 to move upwards, the first fixing rods 5 drive the second fixing blocks 7 to move upwards, the second fixing blocks 7 drive the transmission rods 8 to swing, the transmission rods 8 drive the third fixing blocks 9 to approach each, fourth fixed block 10 drives second dead lever 11 and is close to each other, second dead lever 11 drives adjustment mechanism 12 and is close to each other, make bottom cardboard 18 press from both sides tightly the work piece, when bottom cardboard 18 presss from both sides tightly the work piece, to positive pulling pull ring 1203, pull ring 1203 drives kelly 1204 and moves to the front, when kelly 1204 removes T type piece 1201, remove left and right sides slider 1202, make cardboard 18 and the work piece contact at top, when the 18 chucking work pieces at top, loosen pull ring 1203, extension spring 20 stimulates pull ring 1203 and moves backward, pull ring 1203 drives kelly 1204 and moves backward, make kelly 1204 move the inside of T type piece 1201, the fixing of completion device, the practicality of pneumatic chuck has been improved.

In summary, the following steps: this air chuck, through setting up transmission case 1, first fixed block 2, first slide bar 3, cylinder 4, first dead lever 5, second slide bar 6, second fixed block 7, transfer line 8, third fixed block 9, fourth fixed block 10, second dead lever 11, adjustment mechanism 12, T type piece 1201, slider 1202, pull ring 1203, kelly 1204, fixed establishment 13, fixed pipe 1301, fifth fixed block 1302, third dead lever 1303 and sixth fixed block 1304's cooperation use, it is loaded down with trivial details to have solved current air chuck in the use, the difficult work piece of installation, thereby cause the slow problem of work piece processing speed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Air chuck, including transmission case (1), its characterized in that: the top of the inner wall of the transmission case (1) is fixedly connected with a first fixed block (2), the inner part of the first fixed block (2) is fixedly connected with a first slide bar (3), the two sides of the first slide bar (3) are fixedly connected with the inner wall of the transmission case (1), the bottom of the first fixed block (2) is fixedly connected with a cylinder (4), the output end of the cylinder (4) is fixedly connected with a first fixed rod (5), the two sides of the inner part of the first fixed rod (5) are movably connected with a second slide bar (6), the bottom of the second slide bar (6) is fixedly connected with the bottom of the inner wall of the transmission case (1), the two sides of the top of the first fixed rod (5) are fixedly connected with a second fixed block (7), the back of the second fixed block (7) is movably connected with a transmission rod (8) through a first rotating shaft, the positive top of the transmission rod (8) is movably connected with a third fixed block (9), the top of the third fixed block (9) is fixedly connected with a fourth fixed block (10), the interior of the fourth fixed block (10) is movably connected with the surface of the first slide bar (3), the top of the fourth fixed block (10) is fixedly connected with a second fixed rod (11), the top of the second fixed rod (11) penetrates through the transmission case (1) and extends to the top of the transmission case (1), the top of the second fixed rod (11) is fixedly connected with an adjusting mechanism (12), and one side, far away from the first fixed block (2), of the second fixed rod (11) is fixedly connected with a fixing mechanism (13); the adjusting mechanism (12) comprises a T-shaped block (1201), the bottom of the T-shaped block (1201) is fixedly connected with the top of a second fixing rod (11), a sliding block (1202) is movably connected to the surface of the T-shaped block (1201), a pull ring (1203) is arranged at the bottom of the front face of the sliding block (1202), a clamping rod (1204) is fixedly connected to the back face of the pull ring (1203), and the back face of the clamping rod (1204) penetrates through the sliding block (1202) and extends into the T-shaped block (1201); the front surface of the T-shaped block (1201) is provided with a plurality of clamping grooves (19) matched with the clamping rods (1204) for use, and the clamping grooves (19) are uniformly distributed on the front surface of the T-shaped block (1201); a tension spring (20) is sleeved on the front side of the surface of the clamping rod (1204), the front side of the tension spring (20) is fixedly connected with the back side of the pull ring (1203), and the back side of the tension spring (20) is fixedly connected with the front side of the sliding block (1202); the fixing mechanism (13) comprises a fixing pipe (1301), one side, close to the second fixing rod (11), of the fixing pipe (1301) is fixedly connected with the second fixing rod (11), the inner wall of the fixing pipe (1301) is movably connected with a fifth fixing block (1302), one side, far away from the second fixing rod (11), of the fifth fixing block (1302) is fixedly connected with a third fixing rod (1303), one side, far away from the fifth fixing block (1302), of the third fixing rod (1303) penetrates through the fixing pipe (1301) and is fixedly connected with a sixth fixing block (1304), and the bottom of the sixth fixing block (1304) is fixedly connected with the top of the transmission case (1); an opening (16) matched with a second fixing rod (11) for use is formed in the top of the transmission case (1), a stop block (17) is fixedly connected to the top of the second sliding rod (6), and clamping plates (18) are fixedly connected to one sides, close to the first fixing block (2), of the second fixing rod (11) and the sliding block (1202).

2. The air chuck according to claim 1, wherein: the two sides of the bottom of the first fixing rod (5) are fixedly connected with first springs (14), and the bottoms of the first springs (14) are fixedly connected with the bottom of the inner wall of the transmission case (1).

3. The air chuck according to claim 1, wherein: the two sides on the surface of the first sliding rod (3) are respectively sleeved with a second spring (15), one side, close to the fourth fixed block (10), of the second spring (15) is fixedly connected with the fourth fixed block (10), and one side, far away from the fourth fixed block (10), of the second spring (15) is fixedly connected with the inner wall of the transmission case (1).