CN216691700U

CN216691700U - Mechanical mechanism buffer cylinder

Info

Publication number: CN216691700U
Application number: CN202123402997.8U
Authority: CN
Inventors: 胡国明
Original assignee: Jiangmen Zhihui Hydraulic Technology Co ltd
Current assignee: Jiangmen Zhihui Hydraulic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-07
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a buffer oil cylinder of a mechanical mechanism, which comprises a cylinder body, a piston rod, a first oil port and a second oil port, wherein the inner bottom wall of one end, far away from the piston, of the cylinder body is fixedly connected with a fixed cylinder, a movable rod is arranged inside the fixed cylinder, one end, far away from the inner bottom wall of the fixed cylinder, of the movable rod extends to the outside of the fixed cylinder and is fixedly connected with a supporting block, the fixed cylinder and the outer surface of the movable rod are jointly sleeved with a buffer spring, one end of the buffer spring is fixedly connected with the side wall of the supporting block, the other end of the buffer spring is fixedly connected with the inner bottom wall of the cylinder body, one side, close to the supporting block, of the piston is fixedly connected with a first rubber air cushion, one side, close to the first rubber air cushion, of the supporting block is fixedly connected with a second rubber air cushion, and the supporting block and the piston are both provided with a vacuum cavity. The utility model improves the buffering and noise reduction effects of the oil cylinder, is convenient for the oil cylinder to dissipate heat and prolongs the service life of the oil cylinder.

Description

Mechanical mechanism buffer cylinder

Technical Field

The utility model relates to the technical field of oil cylinder buffering, in particular to a buffering oil cylinder of a mechanical mechanism.

Background

The buffer cylinder is also called a buffer hydraulic cylinder, and is a hydraulic cylinder buffer device arranged in the hydraulic cylinder. The existing oil cylinder overcomes the defect that a piston impacts a cylinder cover by installing a cushion pad on the cylinder cover of the oil cylinder, but the cushion effect is poor by only using a rubber pad for buffering, the noise generated by the operation inside the cylinder body cannot be weakened, the impact resistance is weak, and meanwhile, in the moving process of the oil cylinder, the heat generated by high-speed friction and the impact between the piston and the cylinder body are easy to cause the local deformation of the wall of the oil cylinder and the piston, so that the service life is influenced. Therefore, it is necessary to improve the heat resistance of the cylinder and to alleviate the impact of the piston on the cylinder body, so as to improve the service life of the cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a buffer oil cylinder of a mechanical mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme: a buffer oil cylinder of a mechanical mechanism comprises a cylinder body, a piston rod, a first oil port and a second oil port, wherein a fixed cylinder is fixedly connected to the inner bottom wall of one end, far away from the piston, of the cylinder body, a movable rod is arranged inside the fixed cylinder, one end, far away from the inner bottom wall of the fixed cylinder, of the movable rod extends to the outside of the fixed cylinder, a supporting block is fixedly connected to the end, far away from the inner bottom wall of the fixed cylinder, of the fixed cylinder and the outer surface of the movable rod are jointly sleeved with a buffer spring, one end of the buffer spring is fixedly connected with the side wall of the supporting block, the other end of the buffer spring is fixedly connected with the inner bottom wall of the cylinder body, one side, close to the supporting block, of the piston is fixedly connected with a first rubber air cushion, one side, close to the first rubber air cushion, of the supporting block is fixedly connected with a second rubber air cushion, vacuum cavities are respectively arranged inside the supporting block and the piston, and a fixed sleeve is fixedly sleeved on the outer surface of the cylinder body, a plurality of louvres have been seted up on the surface of fixed cover, the surface fixed connection of cylinder body has a plurality of conducting strips, and the surface fixed connection of cylinder body has a cold water pipe, the lateral wall of fixed cover is respectively the union coupling to have water supply connector and water connectors, the one end and the water supply connector intercommunication of cold water pipe, and the other end and the water supply connector intercommunication of cold water pipe.

As a further description of the above technical solution:

the cold water pipe is wound on the outer surface of the cylinder body through threads.

As a further description of the above technical solution:

and the outer surfaces of the water inlet joint and the water outlet joint are sleeved with dustproof caps through threads.

As a further description of the above technical solution:

the first oil port and the second oil port extend to the outside of the fixed sleeve.

As a further description of the above technical solution:

the equal fixedly connected with slider of bottom both sides wall of movable rod, the spout has been seted up to two inside walls of fixed section of thick bamboo, slider and spout sliding connection.

As a further description of the above technical solution:

the first rubber air cushion and the second rubber air cushion are both arranged in a circular arc shape.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the buffer spring, the first rubber air cushion, the second rubber air cushion and the vacuum cavity, the oil cylinder is convenient to buffer for multiple times, the buffer effect is good, the shock resistance of the oil cylinder is enhanced, and simultaneously, the noise generated by collision between the piston and the oil cylinder is reduced to the minimum by the vacuum cavity and the rubber air cushion when the oil cylinder runs.

2. According to the utility model, through the arrangement of the fixed sleeve, the heat dissipation holes, the heat conduction fins, the cold water pipe, the water inlet connector and the water outlet connector, when the oil cylinder runs at a low speed, heat dissipation can be carried out through the heat conduction fins and the heat dissipation holes, and when the oil cylinder runs at a high speed and the temperature is higher, the oil cylinder can be externally connected with the water pump and the water pipe to form a circulating water cooling device for cooling the oil cylinder.

Drawings

FIG. 1 is a main sectional view of a cushion cylinder of a mechanical mechanism according to the present invention;

FIG. 2 is a cross-sectional view of a fixed cylinder of a cushion cylinder of a mechanical mechanism according to the present invention;

fig. 3 is an enlarged view of a buffer cylinder a of a mechanical mechanism according to the present invention.

Illustration of the drawings:

1. a cylinder body; 2. a piston; 3. a piston rod; 4. a fixed cylinder; 5. a buffer spring; 6. a support block; 7. a first rubber air cushion; 8. a second rubber air cushion; 9. a vacuum chamber; 10. a first oil port; 11. a second oil port; 12. fixing a sleeve; 13. a water inlet joint; 14. a movable rod; 15. a slider; 16. a chute; 17. a water outlet joint; 18. heat dissipation holes; 19. a cold water pipe; 20. a heat conductive sheet.

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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a buffer oil cylinder of a mechanical mechanism comprises a cylinder body 1, a piston 2, a piston rod 3, a first oil port 10 and a second oil port 11, wherein the inner bottom wall of one end of the cylinder body 1, which is far away from the piston 2, is fixedly connected with a fixed cylinder 4, a movable rod 14 is arranged inside the fixed cylinder 4, one end of the movable rod 14, which is far away from the inner bottom wall of the fixed cylinder 4, extends to the outside of the fixed cylinder 4 and is fixedly connected with a supporting block 6, the outer surfaces of the fixed cylinder 4 and the movable rod 14 are jointly sleeved with a buffer spring 5, one end of the buffer spring 5 is fixedly connected with the side wall of the supporting block 6, the other end of the buffer spring 5 is fixedly connected with the inner bottom wall of the cylinder body 1, one side of the piston 2, which is close to the supporting block 6, is fixedly connected with a first rubber air cushion 7, one side of the supporting block 6, which is close to the first rubber air cushion 7, is fixedly connected with a second rubber air cushion 8, the supporting block 6 and the inside of the piston 2 are both provided with a vacuum cavity 9, the outer surface of the cylinder body 1 is fixedly sleeved with a fixed sleeve 12, a plurality of louvres 18 have been seted up on the surface of fixed cover 12, and the fixed surface of cylinder body 1 is connected with a plurality of conducting strips 20, and the fixed surface of cylinder body 1 is connected with cold water pipe 19, and the lateral wall of fixed cover 12 is the union coupling respectively has water supply connector 13 and water connectors 17, and the one end and the water supply connector 13 intercommunication of cold water pipe 19, and the other end and the water supply connector 13 intercommunication of cold water pipe 19.

The cold water pipe 19 is wound on the outer surface of the cylinder body 1 through threads, so that water cooling is facilitated; the outer surfaces of the water inlet joint 13 and the water outlet joint 17 are both in threaded sleeve joint with dustproof caps, so that dust is prevented from entering the joints when water cooling is not used; the first oil port 10 and the second oil port 11 both extend to the outside of the fixed sleeve 12, so that the normal use of the oil cylinder is not influenced; two side walls at the bottom end of the movable rod 14 are fixedly connected with sliding blocks 15, two inner side walls of the fixed cylinder 4 are provided with sliding grooves 16, the sliding blocks 15 are in sliding connection with the sliding grooves 16, and the moving stability of the movable rod 14 is improved; the first rubber air cushion 7 and the second rubber air cushion 8 are both arranged in an arc shape, so that the damping effect is better.

The working principle is as follows: when piston rod 3 retracts into cylinder body 1, first rubber air cushion 7 on one side of piston 2 contacts with second rubber air cushion 8, carry out preliminary buffering, later compression through buffer spring 5, carry out further buffering, when piston rod 3 moves in cylinder body 1, accessible conducting strip 20 is with heat derivation through louvre 18 dispel the heat, when piston rod 3 high-speed motion, can unscrew the dust cap, carry out external water pipe to water supply connector 13 and water outlet connector 17, draw water through outside water pump and make the water intake in the cold water pipe 19, carry out the cooling of circulation water-cooling to cylinder body 1, in order to avoid the high temperature to cause the damage to cylinder body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a mechanical mechanism cushion cylinder, includes cylinder body (1), piston (2), piston rod (3), first hydraulic fluid port (10) and second hydraulic fluid port (11), its characterized in that: the inner bottom wall of one end, far away from the piston (2), of the cylinder body (1) is fixedly connected with a fixed cylinder (4), a movable rod (14) is arranged inside the fixed cylinder (4), one end, far away from the inner bottom wall of the fixed cylinder (4), of the movable rod (14) extends to the outside of the fixed cylinder (4) and is fixedly connected with a supporting block (6), a buffer spring (5) is sleeved on the outer surfaces of the fixed cylinder (4) and the movable rod (14) together, one end of the buffer spring (5) is fixedly connected with the side wall of the supporting block (6), the other end of the buffer spring (5) is fixedly connected with the inner bottom wall of the cylinder body (1), one side, close to the supporting block (6), of the piston (2) is fixedly connected with a first rubber air cushion (7), one side, close to the first rubber air cushion (7), of the supporting block (6) is fixedly connected with a second rubber air cushion (8), and vacuum cavities (9) are arranged inside the supporting block (6) and the piston (2), the fixed surface of cylinder body (1) has cup jointed fixed cover (12), a plurality of louvres (18) have been seted up on the surface of fixed cover (12), the fixed surface of cylinder body (1) is connected with a plurality of conducting strips (20), and the fixed surface of cylinder body (1) is connected with cold water pipe (19), the lateral wall branch union coupling of fixed cover (12) has water supply connector (13) and water connectors (17), the one end and the water supply connector (13) intercommunication of cold water pipe (19), and the other end and the water supply connector (13) intercommunication of cold water pipe (19).

2. The mechanical mechanism cushion cylinder of claim 1, wherein: the cold water pipe (19) is wound on the outer surface of the cylinder body (1) in a threaded manner.

3. The mechanical mechanism cushion cylinder of claim 1, wherein: and the outer surfaces of the water inlet joint (13) and the water outlet joint (17) are sleeved with dustproof caps through threads.

4. The mechanical mechanism cushion cylinder of claim 1, wherein: the first oil port (10) and the second oil port (11) extend to the outside of the fixed sleeve (12).

5. The mechanical mechanism cushion cylinder of claim 1, wherein: the equal fixedly connected with slider (15) of bottom both sides wall of movable rod (14), spout (16) have been seted up to two inside walls of fixed section of thick bamboo (4), slider (15) and spout (16) sliding connection.

6. The mechanical mechanism cushion cylinder of claim 1, wherein: the first rubber air cushion (7) and the second rubber air cushion (8) are both arranged in a circular arc shape.