CN217783906U

CN217783906U - Machine tool oil cylinder with two-end buffer structure

Info

Publication number: CN217783906U
Application number: CN202222176160.4U
Authority: CN
Inventors: 刘雪梅
Original assignee: Tianjin Yitong Yongxu Technology Development Co ltd
Current assignee: Tianjin Yitong Yongxu Technology Development Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-11
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a lathe hydro-cylinder with both ends buffer structure, including hydro-cylinder body and piston rod, the inside of hydro-cylinder body is equipped with the piston rod, and the one end of piston rod extends to the outside of hydro-cylinder body to piston rod and hydro-cylinder body sliding connection, the piston rod is kept away from the one end of hydro-cylinder body and is installed back articulated ball, the hydro-cylinder body is kept away from the one end of back articulated ball and is installed preceding articulated ball, install the oil outlet on the hydro-cylinder body outer wall of back articulated ball one side, and the one end of oil outlet extends to the inside of hydro-cylinder body, the piston rod surface cover of back articulated ball one side is equipped with the front end housing, be equipped with the sealing washer on the inner wall of front end housing. The utility model discloses not only realized the reliable both ends buffering formula operation of lathe hydro-cylinder, reduced the impact force when the lathe hydro-cylinder moves, prolonged the life of lathe hydro-cylinder moreover.

Description

Machine tool oil cylinder with two-end buffer structure

Technical Field

The utility model relates to a lathe hydro-cylinder technical field specifically is a lathe hydro-cylinder with both ends buffer structure.

Background

As is well known, a hydraulic oil cylinder becomes an indispensable actuating mechanism in the current industrial field, but when the acting terminal has larger inertia, the hydraulic oil cylinder can drag a piston rod of the oil cylinder to collide with a cylinder bottom and a piston and a cylinder cover to cause noise, impact, even cause the actuating mechanism to shake, material scattering and the like.

Most of present hydro-cylinders adopt all be the clearance buffering form and mostly be one-way buffering, this paper be also one kind of clearance buffering, be applied to the lift process of laser cutting equipment, based on the application operating mode of lathe, this hydro-cylinder is two-way buffer structure, and is relatively special, because hydro-cylinder bore and rod footpath are less again, design buffer structure is comparatively difficult, and the lathe rises and falls and need control towards time, so higher to the requirement in buffering clearance, need accurate control and accurate measurement inspection in manufacturing process.

Disclosure of Invention

An object of the utility model is to provide a lathe hydro-cylinder with both ends buffer structure to provide the lathe hydro-cylinder and be not convenient for the reliable both ends buffering formula problem of operation in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lathe hydro-cylinder with both ends buffer structure, includes hydro-cylinder body and piston rod, the inside of hydro-cylinder body is equipped with the piston rod, and the one end of piston rod extends to the outside of hydro-cylinder body to piston rod and hydro-cylinder body sliding connection, the piston rod is kept away from the one end of hydro-cylinder body and is installed back articulated ball, the hydro-cylinder body is kept away from the one end of back articulated ball and is installed preceding articulated ball, install the oil outlet on the hydro-cylinder body outer wall of back articulated ball one side, and the one end of oil outlet extends to the inside of hydro-cylinder body, the piston rod surface cover of back articulated ball one side is equipped with the front end housing, be equipped with the sealing washer on the inner wall of front end housing, the piston rod surface cover of front end housing one side is equipped with unsteady cushion ring, the one end cover that unsteady cushion ring was kept away from on the piston rod surface is equipped with the piston head, and piston head and piston rod fixed connection to piston head and hydro-cylinder body sliding connection.

Preferably, the surface of the piston rod on one side of the piston head is sleeved with a front buffer sleeve, and the front buffer sleeve is connected with the piston rod in a sliding manner.

Preferably, one side of the surface of the piston rod, which is close to the piston head, is provided with a thick buffer sleeve, and a buffer gap is arranged inside the oil cylinder body on one side of the thick buffer sleeve.

Preferably, a plurality of groups of grooves with equal intervals are arranged inside the thick buffer sleeve, and the grooves penetrate through the inside of the thick buffer sleeve.

Preferably, an oil inlet hole is formed in the top end of the oil cylinder body on one side of the front hinge ball, and the bottom end of the oil inlet hole extends into the oil cylinder body.

Preferably, the inside of inlet port is equipped with the oil groove, and the oil groove extends to the inside in slot and buffering clearance.

Compared with the prior art, the beneficial effects of the utility model are that: the machine tool oil cylinder not only realizes reliable buffer type operation of two ends of the machine tool oil cylinder, reduces the impact force of the machine tool oil cylinder during operation, but also prolongs the service life of the machine tool oil cylinder;

(1) The thick buffer sleeve is sleeved with the piston rod, a buffer gap is formed between the thick buffer sleeve and the oil cylinder body, the thick buffer sleeve is matched with the buffer gap to form buffer, the front buffer sleeve is sleeved on the surface of the piston rod to form buffer, the floating buffer sleeve is sleeved on the surface of the piston rod, and the floating buffer ring forms buffer, so that reliable buffer type operation of two ends of the machine tool oil cylinder is realized, the impact force of the machine tool oil cylinder during operation is reduced, and the service life of the machine tool oil cylinder is prolonged;

(2) The piston rod and the front end cover are sealed through the sealing ring, the structure of the sealing ring is a dumbbell ring-shaped structure, so that the occlusion of a dumbbell ring and a groove caused by pressure impact during buffering is prevented, the reliable sealing connection of the sealing structure of the oil cylinder of the machine tool is realized, and the stability of the sealing structure during operation is improved;

(3) Through being connected back articulated ball and piston rod together, preceding articulated ball and back articulated ball cooperate effectively to avoid the lathe to rock the damage of the radial force that produces to the hydro-cylinder body, have realized the stable connection of lathe hydro-cylinder and lathe, and the effectual damage that the radial force that avoids the lathe to rock the production caused.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 1 of the present invention.

In the figure: 1. an oil cylinder body; 2. an oil inlet hole; 3. an oil outlet; 4. a front articulated ball; 5. a rear hinge ball; 6. a piston rod; 7. a piston head; 8. a front end cover; 9. a seal ring; 10. a floating buffer ring; 11. a thick cushion collar; 12. an oil sump; 13. a trench; 14. a front cushion collar; 15. the gap is buffered.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a machine tool oil cylinder with a buffer structure at two ends comprises an oil cylinder body 1 and a piston rod 6, wherein the piston rod 6 is arranged inside the oil cylinder body 1, one end of the piston rod 6 extends to the outside of the oil cylinder body 1, the piston rod 6 is connected with the oil cylinder body 1 in a sliding mode, a rear hinged ball 5 is installed at one end, away from the oil cylinder body 1, of the piston rod 6, a front hinged ball 4 is installed at one end, away from the rear hinged ball 5, of the oil cylinder body 1, and the front hinged ball 4 and the rear hinged ball 5 play a role in facilitating connection;

when the oil cylinder is used, the rear hinged ball 5 is connected with the piston rod 6, the front hinged ball 4 is connected with the oil cylinder body 1, and the front hinged ball 4 is matched with the rear hinged ball 5 to effectively avoid the damage of radial force generated by shaking of a machine tool to the oil cylinder body 1, so that the stable connection of the machine tool oil cylinder and the machine tool is realized, and the damage caused by the radial force generated by shaking of the machine tool is effectively avoided;

an oil outlet 3 is arranged on the outer wall of the oil cylinder body 1 on one side of the rear hinged ball 5, one end of the oil outlet 3 extends into the oil cylinder body 1, a front end cover 8 is sleeved on the surface of a piston rod 6 on one side of the rear hinged ball 5, a sealing ring 9 is arranged on the inner wall of the front end cover 8, the sealing ring 9 slides with the piston rod 6, a floating buffer ring 10 is sleeved on the surface of the piston rod 6 on one side of the front end cover 8, a piston head 7 is sleeved on one end, far away from the floating buffer ring 10, of the surface of the piston rod 6, the piston head 7 is fixedly connected with the piston rod 6, and the piston head 7 is connected with the oil cylinder body 1 in a sliding manner;

when the piston rod sealing structure is used, the piston rod 6 and the front end cover 8 are sealed through the sealing ring 9, the structure of the sealing ring 9 is a dumbbell ring structure, so that occlusion of a dumbbell ring and a groove caused by pressure impact during buffering is prevented, and meanwhile, the dumbbell ring is made of polyurethane materials, so that the extrusion resistance and tear resistance of the dumbbell ring are greatly improved, reliable sealing connection of a machine tool oil cylinder sealing structure is realized, and the stability of the sealing structure during operation is improved;

the surface of a piston rod 6 on one side of a piston head 7 is sleeved with a front buffer sleeve 14, the front buffer sleeve 14 is in sliding connection with the piston rod 6, one side, close to the piston head 7, of the surface of the piston rod 6 is provided with a thick buffer sleeve 11, a buffer gap 15 is arranged inside an oil cylinder body 1 on one side of the thick buffer sleeve 11, a plurality of groups of grooves 13 which are equally spaced are arranged inside the thick buffer sleeve 11, the grooves 13 penetrate through the inside of the thick buffer sleeve 11, the top end of the oil cylinder body 1 on one side of a front hinge ball 4 is provided with an oil inlet hole 2, the bottom end of the oil inlet hole 2 extends into the oil cylinder body 1, an oil groove 12 is arranged inside the oil inlet hole 2, and the oil groove 12 extends into the grooves 13 and the buffer gap 15;

when the buffering device is used, the thick buffering sleeve 11 and the piston rod 6 are sleeved together, the buffering gap 15 is formed between the thick buffering sleeve 11 and the oil cylinder body 1, the thick buffering sleeve 11 and the buffering gap 15 are matched to form buffering, the front buffering sleeve 14 is sleeved on the surface of the piston rod 6 and forms buffering, the floating buffering ring 10 is sleeved on the surface of the piston rod 6, the floating buffering ring 10 forms buffering, when the buffering device is started, hydraulic oil enters the oil cylinder body 1 from the oil inlet hole 2, the hydraulic oil enters the groove 13 and the buffering gap 15 along the oil groove 12 to push the piston head 7 to move, the piston rod 6 extends out of the oil cylinder body 1 to form buffering driving, reliable two-end buffering type operation of the machine tool oil cylinder is realized, the impact force during operation of the machine tool oil cylinder is reduced, and the service life of the machine tool oil cylinder is prolonged.

When the embodiment of the application is used: firstly, a thick buffer sleeve 11 and a piston rod 6 are sleeved together, a buffer gap 15 is formed between the thick buffer sleeve 11 and an oil cylinder body 1, the thick buffer sleeve 11 and the buffer gap 15 are matched to form a buffer, a front buffer sleeve 14 is sleeved on the surface of the piston rod 6, the front buffer sleeve 14 forms a buffer, a floating buffer ring 10 is sleeved on the surface of the piston rod 6, the floating buffer ring 10 forms a buffer, when the hydraulic oil cylinder is started, hydraulic oil enters the inside of the oil cylinder body 1 from an oil inlet 2, the hydraulic oil enters a groove 13 and the inside of the buffer gap 15 along an oil groove 12 to push a piston head 7 to move, the piston rod 6 extends out of the inside of the oil cylinder body 1 to form a buffer drive, a seal ring 9 is used for sealing the piston rod 6 and a front end cover 8, the seal ring 9 is of a dumbbell ring structure, so as to prevent the dumbbell ring and the groove from being occluded due to pressure impact during the buffer, meanwhile, the dumbbell ring adopts a polyurethane material to greatly improve the extrusion and tear resistance of the dumbbell ring, a rear hinged ball 5 and the piston rod 6 are connected together, the front ball 4 and the hinged ball 4 and the oil cylinder body can avoid the radial damage of the machine tool, and the machine tool can be used for completing the radial hinged work of the oil cylinder 1.

Claims

1. The utility model provides a lathe hydro-cylinder with both ends buffer structure, includes hydro-cylinder body (1) and piston rod (6), its characterized in that: the utility model discloses a hydraulic cylinder, including hydro-cylinder body (1), piston rod (6) and piston head (7), the one end of piston rod (6) extends to the outside of hydro-cylinder body (1) to piston rod (6) and hydro-cylinder body (1) sliding connection, piston rod (6) are kept away from the one end of hydro-cylinder body (1) and are installed back articulated ball (5), hydro-cylinder body (1) is kept away from the one end of back articulated ball (5) and is installed preceding articulated ball (4), install oil outlet (3) on the hydro-cylinder body (1) outer wall of back articulated ball (5) one side, and the one end of oil outlet (3) extends to the inside of hydro-cylinder body (1), piston rod (6) surface cover of back articulated ball (5) one side is equipped with front end cover (8), be equipped with sealing washer (9) on the inner wall of front end cover (8), piston rod (6) surface cover of front end cover (8) one side is equipped with buffering ring (10) that floats, the one end cover of floating buffering ring (10) is kept away from on piston rod (6) surface is equipped with (7), and piston head (7) sliding connection hydro-cylinder body (1).

2. The machine tool cylinder with the two-end buffer structure as claimed in claim 1, wherein: the surface of the piston rod (6) on one side of the piston head (7) is sleeved with a front buffer sleeve (14), and the front buffer sleeve (14) is connected with the piston rod (6) in a sliding mode.

3. The machine tool oil cylinder with the two-end buffering structure as claimed in claim 1, characterized in that: one side of the surface of the piston rod (6) close to the piston head (7) is provided with a thick buffer sleeve (11), and a buffer gap (15) is arranged inside the oil cylinder body (1) on one side of the thick buffer sleeve (11).

4. The machine tool oil cylinder with the two-end buffering structure as claimed in claim 3, characterized in that: the inner part of the thick buffer sleeve (11) is provided with a plurality of groups of grooves (13) at equal intervals, and the grooves (13) penetrate through the inner part of the thick buffer sleeve (11).

5. The machine tool oil cylinder with the two-end buffering structure as claimed in claim 1, characterized in that: the oil cylinder is characterized in that an oil inlet hole (2) is formed in the top end of the oil cylinder body (1) on one side of the front hinge ball (4), and the bottom end of the oil inlet hole (2) extends to the inside of the oil cylinder body (1).

6. The machine tool cylinder with the two-end buffer structure as claimed in claim 5, wherein: the inside of inlet port (2) is equipped with oil groove (12), and oil groove (12) extend to the inside of slot (13) and buffering clearance (15).