CN220718564U

CN220718564U - Clamping cylinder

Info

Publication number: CN220718564U
Application number: CN202322492219.5U
Authority: CN
Inventors: 庄洪飞
Original assignee: Wuxi Bitebi Machinery Technology Co ltd
Current assignee: Wuxi Bitebi Machinery Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-05
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to the technical field of air cylinders, and discloses a clamping air cylinder which comprises a cylinder body, wherein an air inlet hole is formed in the right end of the cylinder body, a transmission mechanism is arranged in the cylinder body, and a replacement mechanism is arranged outside the transmission mechanism. The pushing through the piston rod extends the shell and carries out a removal, under the cooperation of first gag lever post, carry out spacingly to first spring, along with the removal of push pedal, make the connecting block promote the rack and remove, under the cooperation of slide and slider, make the removal of rack more steady, under the cooperation of gear, make the sliding block carry out synchronous movement, be convenient for the steady clamp work to the work piece, when the spacing to the work piece is relieved to needs, under the elastic action of first spring, make the push pedal drive the connecting block and remove, under the elastic action of second spring, make the sliding block drive the rack and resume the normal position, the condition that the sliding block can't steadily resume the normal position has been avoided, and the life of first spring has been increased.

Description

Clamping cylinder

Technical Field

The utility model relates to the technical field of air cylinders, in particular to a clamping air cylinder.

Background

The cylinder is a power element commonly used in mechanical equipment, the pressure energy of compressed air is converted into mechanical energy, the driving mechanism realizes reciprocating linear motion, swinging or rotary motion, and the clamping cylinder is an integrated cylinder with a clamping function, so that the workpiece can be clamped conveniently and rapidly in the machining process.

According to the utility model, the clamping cylinder comprises a cylinder body and a rear cover fixedly connected to the rear end of the cylinder body, a containing cavity is arranged in the cylinder body, an air inlet hole communicated with the containing cavity is formed in the rear cover, a piston is arranged in the containing cavity, one side of the piston is communicated with the air inlet hole, the other side of the piston is connected with a push rod, the push rod penetrates through the cylinder body and stretches into the containing cavity to be connected with the piston, a return spring is further arranged on one side of the piston, provided with the push rod, one end of the return spring abuts against the inner wall of the containing cavity, the other end of the return spring abuts against the piston, an extension block is arranged at the front end of the cylinder body, a stop block protrudes upwards, a rotating block is hinged to the extension block, a torsion spring is arranged between the rotating block and the stop block, and abuts against the push rod under the action of the torsion spring. "

With respect to the above description, the applicant believes that the following problems exist:

in the use process, the rotating block is pushed to rotate by the push rod, the bottom of the rotating block compresses the torsion spring to rotate around the locating pin, and the top of the rotating block also rotates to clamp and fix the workpiece, but in the use process, the workpiece is required to be clamped by the rotation of the rotating block, the workpiece cannot be stably limited, and the workpiece with the characteristic size can be clamped.

Disclosure of Invention

The present utility model is directed to a clamping cylinder to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping cylinder comprises a cylinder body, wherein an air inlet hole is formed in the right end of the cylinder body, a transmission mechanism is arranged in the cylinder body, and a replacement mechanism is arranged outside the transmission mechanism.

The transmission mechanism comprises a moving assembly and a synchronizing assembly, wherein the moving assembly is arranged on the inner wall of the cylinder body, and the synchronizing assembly is arranged at the left end of the cylinder body.

Preferably, the movable assembly comprises a piston rod, the piston rod is slidably mounted in the air inlet, a push plate is fixedly mounted at the left end of the piston rod, a first limiting rod is fixedly mounted on the inner wall of the cylinder body, the push plate is slidably mounted outside the push plate, a first spring is fixedly mounted between the left inner wall of the cylinder body and the left side of the push plate, and a connecting block is fixedly mounted on the left side of the push plate so as to facilitate clamping work of a workpiece.

Preferably, the synchronous assembly comprises an extension shell, the left end of the extension shell is fixedly arranged at the left end of the cylinder body, a sliding seat is fixedly arranged on the inner wall of the bottom of the extension shell, a sliding block is slidably arranged on the inner wall of the sliding seat, a rack is fixedly arranged at the top of the sliding block, a limit rotating column is fixedly arranged on the inner wall of the bottom of the extension shell, a gear is rotatably arranged outside the limit rotating column, the rack is meshed with the gear, a sliding block is fixedly arranged at the top of the rack, a second limiting rod is fixedly arranged on the inner wall of the extension shell, and a second spring is fixedly arranged between the inner wall of the extension shell and the sliding block so as to facilitate centering and clamping work of a workpiece.

Preferably, the right side of the extension shell is provided with a through groove, and the connecting block penetrates through the through groove and is fixedly arranged with the rack, so that the movement of the rack is facilitated.

Preferably, the top of extension shell has seted up logical groove, just sliding block slidable mounting is in logical inslot, and the removal and the spacing of sliding block of being convenient for.

Preferably, the replacing mechanism comprises a sliding cylinder, the sliding cylinder is fixedly arranged at the top of the sliding block, a connecting column is fixedly arranged on the inner wall of the bottom of the sliding cylinder, a limiting block is fixedly arranged at the top of the connecting column, a connecting plate is slidably arranged on the inner wall of the sliding cylinder, the connecting plate is slidably arranged outside the connecting column, a square clamping block is fixedly arranged at the top of the connecting plate, the square clamping block is slidably arranged outside the connecting column, an arc clamping block is fixedly arranged at one end of the square clamping block, a fixing bolt is arranged on an inner thread of the inner wall of the bottom of the sliding cylinder, and the fixing bolt is threadedly arranged on the inner wall of the bottom of the sliding cylinder so as to clamp workpieces of different types.

Preferably, a sliding groove is formed in the square clamping block, and the limiting block is slidably mounted in the sliding groove, so that the square clamping block can rotate and limit.

Compared with the prior art, the utility model provides the clamping cylinder, which has the following beneficial effects:

1. this press from both sides tight cylinder, through the drive mechanism who sets up, in the use, the promotion through the piston rod extends the shell and carries out a removal, under the cooperation of first gag lever post, carry out spacingly to first spring, along with the removal of push pedal, make the connecting block promote the rack and remove, under the cooperation of slide and slider, make the removal of rack more steady, under the cooperation of gear, make the sliding block carry out synchronous movement, be convenient for to the steady clamp work of work piece, when the spacing to the work piece is relieved to needs, under the elastic action of first spring, make the push pedal drive the connecting block and remove, under the elastic action of second spring, make the sliding block drive the rack and resume the normal position, the unable steady condition of resume the normal position of sliding block has been avoided, and the life of first spring has been increased.

2. This press from both sides tight cylinder, through the change mechanism that sets up, in the use, square clamp splice through setting up, be convenient for press from both sides tightly steady to square work piece, when needs press from both sides tight work to circular work piece, make it keep away from the slide cylinder through rotatory fixing bolt, through upwards lift square clamp splice, under the cooperation of spliced pole and stopper, spacing is carried out to square clamp splice, when square clamp splice's height is greater than the height of cylinder body, through rotatory square clamp splice, drive arc clamp splice and rotate, the repeated operation carries out spacing work to the connecting plate, be convenient for press from both sides tight work to circular work piece, the practicality has been increased.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic diagram of a transmission mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a mobile assembly according to the present utility model;

FIG. 4 is a schematic diagram of a synchronous assembly structure according to the present utility model;

FIG. 5 is a schematic diagram of the positional relationship of the slider according to the present utility model;

FIG. 6 is a schematic diagram of a replacement mechanism according to the present utility model.

In the figure: 1. a cylinder; 2. an air inlet hole; 3. a transmission mechanism; 31. a moving assembly; 311. a piston rod; 312. a push plate; 313. a first stop lever; 314. a first spring; 315. a connecting block; 32. a synchronization component; 321. an extension case; 322. a slide; 323. a slide block; 324. a rack; 325. limiting the rotating column; 326. a gear; 327. a sliding block; 328. a second limit rod; 329. a second spring; 4. a replacement mechanism; 401. a slide cylinder; 402. a connecting column; 403. a limiting block; 404. a connecting plate; 405. square clamping blocks; 406. arc clamping blocks; 407. and (5) fixing bolts.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

referring to fig. 1-5, the present utility model provides a technical solution: the clamping cylinder comprises a cylinder body 1, an air inlet hole 2 is formed in the right end of the cylinder body 1, a transmission mechanism 3 is arranged in the cylinder body 1, and a replacement mechanism 4 is arranged outside the transmission mechanism 3.

The transmission mechanism 3 comprises a moving assembly 31 and a synchronizing assembly 32, wherein the moving assembly 31 is arranged on the inner wall of the cylinder body 1, and the synchronizing assembly 32 is arranged at the left end of the cylinder body 1.

Further, the moving assembly 31 includes a piston rod 311, the piston rod 311 is slidably mounted in the air inlet hole 2, a push plate 312 is fixedly mounted at the left end of the piston rod 311, a first limit rod 313 is fixedly mounted on the inner wall of the cylinder body 1, the push plate 312 is slidably mounted outside the push plate 312, a first spring 314 is fixedly mounted between the left inner wall of the cylinder body 1 and the left side of the push plate 312, and a connecting block 315 is fixedly mounted at the left side of the push plate 312, so that clamping work on a workpiece is facilitated.

Further, the synchronizing assembly 32 includes an extension shell 321, the extension shell 321 is fixedly mounted at the left end of the cylinder body 1, a sliding seat 322 is fixedly mounted on the inner wall of the bottom of the extension shell 321, a sliding block 323 is slidably mounted on the inner wall of the sliding seat 322, a rack 324 is fixedly mounted at the top of the sliding block 323, a limit rotating column 325 is fixedly mounted on the inner wall of the bottom of the extension shell 321, a gear 326 is rotatably mounted at the outer part of the limit rotating column 325, the rack 324 is meshed with the gear 326, a sliding block 327 is fixedly mounted at the top of the rack 324, a second limiting rod 328 is fixedly mounted on the inner wall of the extension shell 321, and a second spring 329 is fixedly mounted between the inner wall of the extension shell 321 and the sliding block 327, so that centering and clamping work of a workpiece is facilitated.

Further, a through slot is formed on the right side of the extension case 321, and the connection block 315 is fixedly installed with the rack 324 through the through slot, so as to facilitate the movement of the rack 324.

Further, a through groove is formed in the top of the extension casing 321, and the sliding block 327 is slidably mounted in the through groove, so that the sliding block 327 can move and be limited conveniently.

Embodiment two:

referring to fig. 6, and further obtaining in combination with the first embodiment, the replacing mechanism 4 includes a sliding cylinder 401, the sliding cylinder 401 is fixedly installed at the top of the sliding block 327, a connecting post 402 is fixedly installed on the inner wall of the bottom of the sliding cylinder 401, a limiting block 403 is fixedly installed at the top of the connecting post 402, a connecting plate 404 is slidably installed on the inner wall of the sliding cylinder 401, the connecting plate 404 is slidably installed outside the connecting post 402, a square clamping block 405 is fixedly installed at the top of the connecting plate 404, the square clamping block 405 is slidably installed outside the connecting post 402, an arc-shaped clamping block 406 is fixedly installed at one end of the square clamping block 405, a fixing bolt 407 is installed on an internal thread of the connecting plate 404, and the fixing bolt 407 is installed on the inner wall of the bottom of the sliding cylinder 401 in a threaded manner so as to clamp workpieces of different types.

Further, a sliding groove is formed in the square clamping block 405, and the limiting block 403 is slidably mounted in the sliding groove, so as to perform rotation and limiting with the square clamping block 405.

In the actual operation process, when the device is used, air is introduced through the air inlet hole 2, the extension shell 321 pushed by the piston rod 311 moves, the first spring 314 is limited under the cooperation of the first limiting rod 313, the connecting block 315 pushes the rack 324 to move along with the movement of the push plate 312, the rack 324 moves more stably under the cooperation of the sliding seat 322 and the sliding block 323, the square clamping block 405 is driven by the connecting block 315 to clamp a workpiece stably under the cooperation of the gear 326, when the limitation of the workpiece is required to be removed, the connecting block 315 is driven by the push plate 312 to move under the elastic action of the first spring 314, under the elastic action of the second spring 329, make sliding block 327 drive rack 324 resume the normal position, avoided sliding block 327 unable steady state of recovering the condition of normal position, and increased the life of first spring 314, when needs carry out clamping work to circular work piece, make it keep away from slide drum 401 through rotatory fixing bolt 407, through upwards lift square clamp splice 405, under the cooperation of spliced pole 402 and stopper 403, spacing is carried out to square clamp splice 405, when square clamp splice 405's height is greater than the height of cylinder body 1, through rotatory square clamp splice 405, drive arc clamp splice 406 and rotate, the repetitive operation carries out spacing work to connecting plate 404, be convenient for carry out clamping work to circular work piece, the practicality has been increased.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. Clamping cylinder, including cylinder body (1), its characterized in that: an air inlet hole (2) is formed in the right end of the cylinder body (1), a transmission mechanism (3) is arranged in the cylinder body (1), and a replacement mechanism (4) is arranged outside the transmission mechanism (3);

the transmission mechanism (3) comprises a moving assembly (31) and a synchronizing assembly (32), wherein the moving assembly (31) is arranged on the inner wall of the cylinder body (1), and the synchronizing assembly (32) is arranged at the left end of the cylinder body (1).

2. A clamping cylinder as claimed in claim 1, wherein: the movable assembly (31) comprises a piston rod (311), the piston rod (311) is slidably mounted in the air inlet hole (2), a push plate (312) is fixedly mounted at the left end of the piston rod (311), a first limit rod (313) is fixedly mounted on the inner wall of the cylinder body (1), the push plate (312) is slidably mounted outside the push plate (312), a first spring (314) is fixedly mounted between the left inner wall of the cylinder body (1) and the left side of the push plate (312), and a connecting block (315) is fixedly mounted at the left side of the push plate (312).

3. A clamping cylinder as claimed in claim 2, wherein: the synchronous assembly (32) comprises an extension shell (321), wherein the extension shell (321) is fixedly arranged at the left end of the cylinder body (1), a sliding seat (322) is fixedly arranged on the inner wall of the bottom of the extension shell (321), a sliding block (323) is arranged on the inner wall of the sliding seat (322) in a sliding mode, a rack (324) is fixedly arranged at the top of the sliding block (323), a limiting rotating column (325) is fixedly arranged on the inner wall of the bottom of the extension shell (321), a gear (326) is rotatably arranged outside the limiting rotating column (325), the rack (324) is meshed with the gear (326), a sliding block (327) is fixedly arranged at the top of the rack (324), and a second limiting rod (328) is fixedly arranged on the inner wall of the extension shell (321), and a second spring (329) is fixedly arranged between the inner wall of the extension shell (321) and the sliding block (327).

4. A clamping cylinder according to claim 3, wherein: the right side of the extension shell (321) is provided with a through groove, and the connecting block (315) penetrates through the through groove and is fixedly arranged with the rack (324).

5. A clamping cylinder according to claim 3, wherein: the top of the extension shell (321) is provided with a through groove, and the sliding block (327) is slidably arranged in the through groove.

6. A clamping cylinder according to claim 3, wherein: the replacing mechanism (4) comprises a sliding cylinder (401), the sliding cylinder (401) is fixedly arranged at the top of a sliding block (327), a connecting column (402) is fixedly arranged on the inner wall of the bottom of the sliding cylinder (401), a limiting block (403) is fixedly arranged at the top of the connecting column (402), a connecting plate (404) is slidably arranged on the inner wall of the sliding cylinder (401), the connecting plate (404) is slidably arranged outside the connecting column (402), a square clamping block (405) is fixedly arranged at the top of the connecting plate (404), an arc clamping block (406) is fixedly arranged at one end of the square clamping block (405), a fixing bolt (407) is arranged on the inner wall of the bottom of the sliding cylinder (401) through internal threads, and the fixing bolt (407) is in threaded connection with the inner wall of the bottom of the sliding cylinder (401).

7. A clamping cylinder as claimed in claim 6, wherein: the inside of square clamp splice (405) has seted up the spout, just stopper (403) slidable mounting is in the spout.