CN216044744U

CN216044744U - Novel high-precision quick fine-adjustment servo hydraulic cylinder

Info

Publication number: CN216044744U
Application number: CN202122489222.2U
Authority: CN
Inventors: 张慧慧
Original assignee: Yantai Qiankun Hydraulic Equipment Co ltd
Current assignee: Yantai Qiankun Hydraulic Equipment Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-15
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the technical field of servo hydraulic cylinders, and discloses a novel high-precision quick fine-adjustment servo hydraulic cylinder which comprises a hydraulic cylinder body, a protection mechanism and a piston rod, wherein the protection mechanism is arranged at the top end of the hydraulic cylinder body, the piston rod is arranged inside the hydraulic cylinder body, and the protection mechanism comprises a first half shell and a second half shell. This novel servo pneumatic cylinder is finely tuned fast to high accuracy, upper surface through at the hydraulic pressure body sets up protection mechanism, can intercept the granule impurity that the piston rod surface that contracts depends on, when the piston rod advances to contract, first sponge board in its first half shell and the second half shell, the second sponge board, to retracting in-process piston rod surface gently scrape, strike off the impurity granule on piston rod surface, avoided the piston rod to bring particle impurity into the sealing washer of pneumatic cylinder body, cause the phenomenon of wearing and tearing to the sealing washer, the life of the servo pneumatic cylinder is finely tuned fast to high accuracy has been prolonged.

Description

Novel high-precision quick fine-adjustment servo hydraulic cylinder

Technical Field

The utility model relates to the technical field of servo hydraulic cylinders, in particular to a novel high-precision quick fine-adjustment servo hydraulic cylinder.

Background

The high-precision quick fine-adjustment servo hydraulic cylinder is a modularized product which integrates a servo motor and a lead screw, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the optimal advantages of the servo motor, accurate rotating speed control, accurate torque control into accurate speed control, accurate position control and accurate thrust control; the brand new revolutionary product of the high-precision linear motion series is realized, and the servo cylinder has the characteristics that: closed-loop servo control is carried out, and the control precision reaches 0.01 mm; the thrust is precisely controlled, a pressure sensor is added, and the control precision can reach 1%; the device is easy to be connected with control systems such as a PLC and the like, and high-precision motion control is realized. Low noise, energy saving, cleanness, high rigidity, impact resistance, super long service life and simple operation and maintenance. The servo cylinder can be free of failure in a harsh environment.

At present, when a piston rod retracts, impurity particles on the surface of a rod body are easily brought into a sealing ring, the sealing ring is easily abraded after the piston rod is used for a long time, oil leakage can be caused seriously, and the service life of the servo hydraulic cylinder is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel high-precision quick fine-adjustment servo hydraulic cylinder to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel servo pneumatic cylinder is finely tuned fast to high accuracy, includes pneumatic cylinder body, protection mechanism and piston rod, protection mechanism sets up in the top of pneumatic cylinder body, the piston rod sets up in the inside of pneumatic cylinder body.

Protection mechanism includes half first shell, half second shell, the back of half first shell articulates through the round pin axle has half second shell, the inside fixed mounting of half first shell has first fixed plate, the spacing groove has been seted up to the inner wall of half first shell, the inside fixed mounting of half second shell has the third fixed plate, the left side fixed mounting of third fixed plate has first sponge board.

Preferably, the inside fixed mounting of first half shell has the second fixed plate, the right side fixed mounting of first fixed plate has the second sponge board, and when its second sponge board and first sponge board closed, the outer wall of piston rod can be hugged closely to the inner wall of its sponge board, can intercept the dust granule on the piston rod outer wall and strike off.

Preferably, the front face of the first half shell is fixedly connected with a first connecting plate, a first through hole is formed in the first connecting plate, and the first through hole is convenient for the bolt to close and fix the first half shell and the second half shell.

Preferably, the front face of the second half shell is fixedly connected with a second connecting plate, a second through hole is formed in the second connecting plate, a bolt is arranged in the second through hole, and the bolt can conveniently penetrate through the second connecting plate due to the arrangement of the second through hole.

Preferably, the upper surface of pneumatic cylinder body fixed mounting has the snap ring, the draw-in groove has been seted up to the outer wall of snap ring, and half first shell and second sheet frame when snap ring and draw-in groove set up can conveniently be closed, and is spacing in the upper end of pneumatic cylinder body.

Preferably, the bottom fixed mounting of pneumatic cylinder body has the second connector, the left side fixed mounting of pneumatic cylinder body has servo motor, and the setting of second connector can make things convenient for the bottom of pneumatic cylinder body to connect.

Preferably, a first connecting head is fixedly mounted at the top end of the piston rod, a connecting hole is formed in the front face of the first connecting head, and the first connecting head can be connected with the top end of the piston rod at one side.

Compared with the prior art, the utility model provides a novel high-precision quick fine-adjustment servo hydraulic cylinder. The method has the following beneficial effects:

this novel servo pneumatic cylinder is finely tuned fast to high accuracy, upper surface through at the hydraulic pressure body sets up protection mechanism, can intercept the granule impurity that the piston rod surface that contracts depends on, when the piston rod advances to contract, first sponge board in its first half shell and the second half shell, the second sponge board, to retracting in-process piston rod surface gently scrape, strike off the impurity granule on piston rod surface, avoided the piston rod to bring particle impurity into the sealing washer of pneumatic cylinder body, cause the phenomenon of wearing and tearing to the sealing washer, the life of the servo pneumatic cylinder is finely tuned fast to high accuracy has been prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of a first half-shell according to the present invention;

FIG. 3 is a schematic view of the protection mechanism of the present invention;

fig. 4 is a schematic top view of the first half-shell of the present invention.

In the figure: 1. a hydraulic cylinder body; 2. a protection mechanism; 201. a first half shell; 202. a first fixing plate; 203. a second fixing plate; 204. a limiting groove; 205. a second half shell; 206. a third fixing plate; 207. a first sponge plate; 3. a piston rod; 4. a first connector; 5. a servo motor; 6. a second connector; 7. a snap ring; 8. a card slot; 9. a second sponge sheet; 10. a first connecting plate; 11. a second connecting plate; 12. and (4) bolts.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel servo pneumatic cylinder is finely tuned fast to high accuracy, includes pneumatic cylinder body 1, protection machanism 2 and piston rod 3, and protection machanism 2 sets up in the top of pneumatic cylinder body 1, and piston rod 3 sets up in the inside of pneumatic cylinder body 1.

Protection machanism 2 includes first half shell 201, second half shell 205, and the back of first half shell 201 articulates through the round pin axle has second half shell 205, and the inside fixed mounting of first half shell 201 has first fixed plate 202, and spacing groove 204 has been seted up to the inner wall of first half shell 201, and the inside fixed mounting of second half shell 205 has third fixed plate 206, and the left side fixed mounting of third fixed plate 206 has first sponge board 207.

A second fixing plate 203 is fixedly installed inside the first half shell 201, a second sponge plate 9 is fixedly installed on the right side of the first fixing plate 202, when the second sponge plate 9 and the first sponge plate 207 are closed, the inner wall of the sponge plate can be tightly attached to the outer wall of the piston rod 3, dust particles on the outer wall of the piston rod 3 can be intercepted and scraped, a first connecting plate 10 is fixedly connected to the front side of the first half shell 201, a first through hole is formed inside the first connecting plate 10, the first through hole can facilitate the bolt 12 to close and fix the first half shell 201 and the second half shell 205, a second connecting plate 11 is fixedly connected to the front side of the second half shell 205, a second through hole is formed inside the second connecting plate 11, the bolt 12 is arranged inside the second through hole and can facilitate the bolt 12 to penetrate through the second connecting plate 11, a snap ring 7 is fixedly installed on the upper surface of the hydraulic cylinder body 1, the outer wall of the snap ring 7 is provided with a clamping groove 8, the arrangement of the snap ring 7 and the clamping groove 8 can facilitate the connection of the first half shell 201 and the second plate frame 205 when the first half shell is closed, the first half shell is limited at the upper end of the hydraulic cylinder body 1, the bottom of the hydraulic cylinder body 1 is fixedly provided with a second connector 6, the left side of the hydraulic cylinder body 1 is fixedly provided with a servo motor 5, the arrangement of the second connector 6 can facilitate the connection of the bottom of the hydraulic cylinder body 1, the top end of the piston rod 3 is fixedly provided with a first connector 4, the front surface of the first connector 4 is provided with a connecting hole, the first connector 4 can be connected with the top end of the piston rod 3, the protection mechanism 2 is arranged on the upper surface of the hydraulic cylinder body 1, the attached particle impurities on the surface of the retractable piston rod 3 can be intercepted, when the piston rod 3 retracts, the first sponge plate 207 and the second sponge plate 9 in the first half shell 201 and the second half shell 205, the surface of the piston rod 3 is lightly scraped in the retraction process, so that impurity particles on the surface of the piston rod 3 are scraped, the phenomenon that the particle impurities are brought into a sealing ring of the hydraulic cylinder body 1 by the piston rod 3 to cause abrasion to the sealing ring is avoided, and the service life of the high-precision quick fine-adjustment servo hydraulic cylinder is prolonged.

In the actual operation process, when this device uses, through set up protection mechanism 2 at the upper surface of hydraulic pressure body 1, can intercept the granule impurity that the piston rod 3 surface that contracts depends on, when piston rod 3 advanced to contract, first sponge board 207 in its first half 201 and the second half shell 205, second sponge board 9, to retracting in-process piston rod 3 surface gently scrape, strike off the impurity granule on piston rod 3 surface, avoided piston rod 3 to bring the granule impurity into the sealing washer of pneumatic cylinder body 1, cause the phenomenon of wearing and tearing to the sealing washer, the life of the quick fine setting servo hydraulic cylinder of high accuracy has been prolonged.

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. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a novel servo pneumatic cylinder is finely tuned fast to high accuracy, includes pneumatic cylinder body (1), protection machanism (2) and piston rod (3), its characterized in that: the protection mechanism (2) is arranged at the top end of the hydraulic cylinder body (1), and the piston rod (3) is arranged inside the hydraulic cylinder body (1);

protection mechanism (2) include first half shell (201), second half shell (205), the back of first half shell (201) articulates through the round pin axle has second half shell (205), the inside fixed mounting of first half shell (201) has first fixed plate (202), spacing groove (204) have been seted up to the inner wall of first half shell (201), the inside fixed mounting of second half shell (205) has third fixed plate (206), the left side fixed mounting of third fixed plate (206) has first sponge board (207).

2. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: a second fixing plate (203) is fixedly mounted inside the first half shell (201), and a second sponge plate (9) is fixedly mounted on the right side of the first fixing plate (202).

3. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: the front face of the first half shell (201) is fixedly connected with a first connecting plate (10), and a first through hole is formed in the first connecting plate (10).

4. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: the front face of the second half shell (205) is fixedly connected with a second connecting plate (11), a second through hole is formed in the second connecting plate (11), and a bolt (12) is arranged in the second through hole.

5. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: the upper surface fixed mounting of pneumatic cylinder body (1) has snap ring (7), draw-in groove (8) have been seted up to the outer wall of snap ring (7).

6. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: the bottom fixed mounting of pneumatic cylinder body (1) has second connector (6), the left side fixed mounting of pneumatic cylinder body (1) has servo motor (5).

7. The novel high-precision quick fine-adjustment servo hydraulic cylinder as claimed in claim 1, wherein: the top end of the piston rod (3) is fixedly provided with a first connecting head (4), and the front surface of the first connecting head (4) is provided with a connecting hole.