CN210440308U

CN210440308U - Novel rotary oil cylinder for crimping machine

Info

Publication number: CN210440308U
Application number: CN201921321836.6U
Authority: CN
Inventors: 臧鹏飞; 陈曦; 兰涛; 张克国
Original assignee: Shenyang Great Wall Hydraulic Machinery Manufacturing Co ltd
Current assignee: Shenyang Great Wall Hydraulic Machinery Manufacturing Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-01
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a novel rotatory hydro-cylinder for crimper, including the hydro-cylinder casing, the inside movable mounting of hydro-cylinder casing has the bull stick, the one end fixed mounting of hydro-cylinder casing has the backward flow jar, the dead slot has been seted up to the inside one end position of bull stick, the helicla flute has been seted up to the internal surface of dead slot, inside one side fixed mounting of hydro-cylinder casing has solid fixed ring, the inside opposite side position movable mounting of hydro-cylinder casing has the piston ring, one side fixed mounting of piston ring has the piston rod, the piston rod extends to the inside of dead slot, be equipped with first steel ball between piston rod and the helicla flute, the outside cover of piston rod is equipped with first bearing, first bearing is through first dead lever and hydro-cylinder casing fixed connection. A novel crimping machine is with rotatory hydro-cylinder, have sealed effectual, the little effect of frictional force, bull stick and piston rod can not appear rocking, crooked condition simultaneously.

Description

Novel rotary oil cylinder for crimping machine

Technical Field

The utility model relates to a rotatory hydro-cylinder field, in particular to novel rotatory hydro-cylinder is used to crimping machine.

Background

A rotary cylinder for a crimper, which is a rotary cylinder for use in a crimper, is a closely-assembled fitting that integrates very high torque in a small space using hydraulic pressure, and they can be controlled precisely and easily in spite of high power, and has been successfully used in almost all fields requiring limited rotational movement and large torque; but the sealing performance of the existing rotary oil cylinder is poor, the friction force during rotation is large, and then the phenomena of shaking and deviation of the piston rod and the rotating rod are easy to occur.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a novel rotary cylinder for crimping machine, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel rotary oil cylinder for a crimping machine comprises an oil cylinder shell, wherein a rotating rod is movably mounted in the oil cylinder shell, a backflow cylinder is fixedly mounted at one end of the oil cylinder shell, an empty groove is formed in one end of the rotating rod, a spiral groove is formed in the inner surface of the empty groove, a fixing ring is fixedly mounted at one side of the interior of the oil cylinder shell, a piston ring is movably mounted at the other side of the interior of the oil cylinder shell, a piston rod is fixedly mounted at one side of the piston ring and extends into the empty groove, a first steel ball is arranged between the piston rod and the spiral groove, a first bearing is sleeved on the outer portion of the piston rod and is fixedly connected with the oil cylinder shell through a first fixing rod, a second bearing is sleeved on the outer portion of the rotating rod and is fixedly connected with the oil cylinder shell through a second fixing rod, the rotating rod penetrates through the inside of the fixing ring, a convex ring is fixedly mounted on the outer portion of the rotating rod, a movable groove is formed in the fixing ring, and a second steel ball is arranged between the convex ring and the movable groove.

Preferably, the backflow cylinder is communicated with the oil cylinder shell, and lubricating oil is arranged between the first steel ball and the spiral groove.

Preferably, the number of the convex rings is four, and the outer surface of the cylinder shell is coated with an anti-oxidation coating.

Preferably, the top end of the rotating rod is provided with a disc, the edge of the disc is provided with a chamfer angle, and the outer surface of the rotating rod is positioned outside the cylinder shell and is provided with a through hole.

Preferably, a threaded sleeve is fixedly installed at the lower part of the outer surface of the cylinder housing, and the rotating rod is fixedly connected with an inner ring of the second bearing.

Preferably, an oil inlet pipe is fixedly installed at the position above the outer portion of the backflow cylinder, and an oil outlet pipe is fixedly installed at the position below the outer portion of the backflow cylinder.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, bulge loop through setting up, activity groove and second steel ball, the bulge loop can be in the activity inslot activity, the activity groove has four altogether, can play multistage sealed effect, connect through the second steel ball between activity groove and the bulge loop simultaneously, can play the effect of self-lubricating, spin friction is littleer, the practicality is higher, first bearing and second bearing through setting up, first bearing cover is established in the outside of piston rod, can play the effect of guide pin bushing, avoid the piston rod to appear rocking when moving, the phenomenon of skew, the second bearing cover is established in the bull stick outside, can provide the support for the bull stick when not influencing the bull stick is rotatory, also can reduce the phenomenon that the bull stick appears rocking when rotating, the result of use is better.

Drawings

Fig. 1 is a schematic view of the overall structure of a rotary cylinder for a novel crimping machine of the present invention;

fig. 2 is a schematic view of the internal structure of a rotary cylinder for a novel crimping machine of the present invention;

fig. 3 is the utility model relates to a novel crimping machine is with solid fixed ring and the connection structure sketch map of pivot rod of rotatory hydro-cylinder.

In the figure: 1. a cylinder housing; 2. a rotating rod; 3. a reflux cylinder; 4. an oil inlet pipe; 5. an oil outlet pipe; 6. an empty groove; 7. a helical groove; 8. a piston ring; 9. a piston rod; 10. a first steel ball; 11. a first bearing; 12. a first fixing lever; 13. a second bearing; 14. a second fixing bar; 15. a fixing ring; 16. a convex ring; 17. a movable groove; 18. and the second steel ball.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a novel rotary cylinder for a crimping machine comprises a cylinder housing 1, a rotating rod 2 is movably mounted inside the cylinder housing 1, a backflow cylinder 3 is fixedly mounted at one end of the cylinder housing 1, a hollow groove 6 is formed at one end of the rotating rod 2, a spiral groove 7 is formed in the inner surface of the hollow groove 6, a fixing ring 15 is fixedly mounted at one side of the inside of the cylinder housing 1, a piston ring 8 is movably mounted at the other side of the inside of the cylinder housing 1, a piston rod 9 is fixedly mounted at one side of the piston ring 8, the piston rod 9 extends into the hollow groove 6, a first steel ball 10 is arranged between the piston rod 9 and the spiral groove 7, a first bearing 11 is sleeved outside the piston rod 9, the first bearing 11 is fixedly connected with the cylinder housing 1 through a first fixing rod 12, and a second outer bearing 13 of the rotating rod 2 is sleeved on the outer side of the cylinder housing, the second bearing 13 is fixedly connected with the cylinder shell 1 through a second fixing rod 14, the rotating rod 2 penetrates through the inside of a fixing ring 15, a convex ring 16 is fixedly installed on the outer portion of the rotating rod 2, a movable groove 17 is formed in the fixing ring 15, and a second steel ball 18 is arranged between the convex ring 16 and the movable groove 17;

the backflow cylinder 3 is communicated with the oil cylinder shell 1, lubricating oil is arranged between the first steel ball 10 and the spiral groove 7, and the lubricating oil can play a lubricating role; the number of the convex rings 16 is four, and the outer surface of the cylinder shell 1 is coated with an anti-oxidation coating which can play a role in increasing the anti-oxidation performance; a disc is arranged at the top end of the rotating rod 2, a chamfer design is arranged at the edge of the disc, a through hole is formed in the outer surface of the rotating rod 2, which is positioned outside the cylinder shell 1, and the disc and the chamfer can play a role in attractiveness; a threaded sleeve is fixedly arranged at the lower part of the outer surface of the oil cylinder shell 1, the rotating rod 2 is fixedly connected with an inner ring of the second bearing 13, and the threaded sleeve can be conveniently fixed on external equipment; an oil inlet pipe 4 is fixedly arranged at the position above the outer part of the backflow cylinder 3, and an oil outlet pipe 5 is fixedly arranged at the position below the outer part of the backflow cylinder 3.

It should be noted that, the utility model relates to a novel rotary oil cylinder for crimping machine, when using, at first, connect the oil inlet pipe 4 and the oil outlet pipe 5 respectively to connect the external hydraulic oil pipeline, when the oil inlet pipe 4 enters the hydraulic oil, the hydraulic oil is full of the whole backflow cylinder 3, produce pressure to promote the piston ring 8 to move, the piston ring 8 promotes the piston rod 9 to move, when the piston rod 9 is promoted, because the convex ring 16 is equipped between the rotating rod 2 and the fixed ring 15, the convex ring 16 and the movable groove 17 play the limiting role, therefore the rotating rod 2 can not produce the phenomenon of linear motion, the piston rod 9 converts the linear motion into rotary motion through the first steel ball 10 matching the spiral groove 7 in the hollow groove 6 when moving, thereby driving the rotating rod 2 to rotate, when the rotating rod 2 rotates, the second steel ball 18 between the convex ring 16 and the movable groove 17 can play the self-lubricating role, reduce the running friction, secondly first bearing 11 cover is established in the outside of piston rod 9, can play the effect of guide pin bushing, avoids piston rod 9 to appear rocking, the phenomenon of skew when moving, and second bearing 13 cover is established in bull stick 2 outsidely, can provide the support for bull stick 2 when not influencing bull stick 2 rotation, also can reduce the phenomenon that bull stick 2 appears rocking when rotating, and the result of use is better.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel rotatory hydro-cylinder for crimping machine which characterized in that: the oil cylinder comprises an oil cylinder shell (1), a rotating rod (2) is movably mounted inside the oil cylinder shell (1), a backflow cylinder (3) is fixedly mounted at one end of the oil cylinder shell (1), a hollow groove (6) is formed in one end of the rotating rod (2), a spiral groove (7) is formed in the inner surface of the hollow groove (6), a fixing ring (15) is fixedly mounted at one side of the inside of the oil cylinder shell (1), a piston ring (8) is movably mounted at the other side of the inside of the oil cylinder shell (1), a piston rod (9) is fixedly mounted at one side of the piston ring (8), the piston rod (9) extends to the inside of the hollow groove (6), a first steel ball (10) is arranged between the piston rod (9) and the spiral groove (7), a first bearing (11) is sleeved outside the piston rod (9), and the first bearing (11) is fixedly connected with the oil cylinder shell (1) through a first fixing rod (12), the outside cover of bull stick (2) is equipped with second bearing (13), second bearing (13) are through second dead lever (14) and cylinder housing (1) fixed connection, bull stick (2) run through the inside of solid fixed ring (15), the outside fixed mounting of bull stick (2) has bulge loop (16), movable groove (17) have been seted up to the inside of solid fixed ring (15), be equipped with second steel ball (18) between bulge loop (16) and movable groove (17).

2. The novel rotary cylinder for the crimping machine as claimed in claim 1, wherein: the backflow cylinder (3) is communicated with the oil cylinder shell (1), and lubricating oil is arranged between the first steel ball (10) and the spiral groove (7).

3. The novel rotary cylinder for the crimping machine as claimed in claim 1, wherein: the number of the convex rings (16) is four, and the outer surface of the oil cylinder shell (1) is coated with an anti-oxidation coating.

4. The novel rotary cylinder for the crimping machine as claimed in claim 1, wherein: the top of bull stick (2) is equipped with the disc, and the edge of disc is equipped with the chamfer design, the surface of bull stick (2) is located the outside of cylinder housing (1) and has seted up the through-hole.

5. The novel rotary cylinder for the crimping machine as claimed in claim 1, wherein: the lower part of the outer surface of the oil cylinder shell (1) is fixedly provided with a threaded sleeve, and the rotating rod (2) is fixedly connected with an inner ring of the second bearing (13).

6. The novel rotary cylinder for the crimping machine as claimed in claim 1, wherein: the oil inlet pipe (4) is fixedly installed at the position above the outer portion of the backflow cylinder (3), and the oil outlet pipe (5) is fixedly installed at the position below the outer portion of the backflow cylinder (3).