CN216957575U

CN216957575U - Stranding cage cylinder core for stranding machine

Info

Publication number: CN216957575U
Application number: CN202122002143.4U
Authority: CN
Inventors: 张志伟; 冯帆; 王国亮; 赵健勇; 巩鲁洪; 齐锋; 房东; 邓友伦; 张卫超; 郑志勇; 周瑞山
Original assignee: Zhengzhou Xianghe Group Electric Equipment Manufacturing Co ltd
Current assignee: Zhengzhou Xianghe Group Electric Equipment Manufacturing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-07-12
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the technical field of cable forming equipment, in particular to a stranding cage cylinder core for a stranding machine, which comprises a shaft, wherein the shaft is fixedly connected with a piston, the shaft is rotatably connected with a stranding cage tip, the left end of the piston is sleeved on the right end of the stranding cage tip, the piston comprises a sleeve and a gasket which are made of cast steel materials, the left end of the sleeve is sleeved on the gasket, the right end of the sleeve is sleeved with a piston ring, screws are arranged between the gasket and the piston ring, and the gasket, the sleeve and the piston ring form a fixed structure through the screws.

Description

Stranding cage cylinder core for stranding machine

Technical Field

The utility model relates to the technical field of cable forming equipment, in particular to a stranding cage cylinder core for a stranding machine.

Background

In the existing stranding cage cylinder center structure for a stranding cage machine, as shown in fig. 1, a shaft 17 is fixedly connected with a piston 1, the shaft 17 is rotatably connected with a stranding cage center 2, the left end of the piston 1 is sleeved on the right end of the stranding cage center 2, a cylinder block 4 is sleeved on the piston 1, the thickness of the left end of the piston 1 is only 5mm, the piston 1 is made of gray cast iron and integrally cast and molded, and in use, the thrust ball bearing 3 with the model number of 51110 at the middle part of the inner side of the stranding cage center 2 is extremely easy to damage, so that the top 2 of the stranding cage is easy to collide with the left end of the piston 1, the left end of the piston 1 is easy to bend and deform, meanwhile, the cylinder body 4 slides relative to the piston 1, so that the outer side surface of the sealing ring 5 at the left end of the piston 1 is seriously abraded, therefore, the sealing position at the left end of the piston 1 is easy to leak air and cannot be repaired, the piston 1 is damaged and scrapped, the piston 1 is frequently replaced, the capital investment is increased, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art and overcoming the defects of the prior art, the utility model aims to provide a stranding cage cylinder core for a stranding machine, and solves the problem that a piston is easy to damage and leak air.

The technical scheme is that the stranding cage cylinder core for the stranding machine comprises a shaft, the shaft is fixedly connected with a piston, the shaft is rotatably connected with the top of the stranding cage, the left end of the piston is sleeved on the right end of the top of the stranding cage, the piston comprises a sleeve and a gasket which are made of cast steel materials, the left end of the sleeve is sleeved on the gasket, the right end of the sleeve is sleeved with a piston ring, a screw is installed between the gasket and the piston ring, and the gasket, the sleeve and the piston ring form a fixed structure through the screws.

Preferably, a seal ring is installed between the sleeve and the piston ring.

Preferably, each of the screws is uniformly distributed in a ring shape in a radial section of the shaft.

Preferably, the piston ring and the gasket are sleeved on the shaft, a limiting ring is mounted at the right end of the piston ring, the limiting ring is sleeved on the shaft, and the left end of the gasket is rotatably connected with the top of the stranding cage through a bearing.

Preferably, a deep groove ball bearing is installed between the right end of the stranding cage center and the shaft, the right end of the deep groove ball bearing is in contact fit with the surface of the gasket, the left end of the deep groove ball bearing is in contact fit with the surface of the retainer ring, the radial cross section of the retainer ring is sequentially increased from right to left, a thrust ball bearing is installed between the left end of the retainer ring and the stranding cage center, a snap spring is installed between the inner side of the left end of the stranding cage center and the shaft, a radial roller bearing is installed between the right side of the snap spring and the stranding cage center, and the thrust ball bearing and the radial roller bearing are located between the stranding cage center and the shaft.

Preferably, the stranding cage center is provided with axial through holes, the left end of each through hole is tightly attached to the radial roller bearing, and the through holes are uniformly distributed in an annular shape on the radial section of the stranding cage center.

The utility model provides a stranding cage cylinder core for a stranding machine, which has the following beneficial effects compared with the prior art:

1. after the sleeve and the gasket made of cast steel materials are used for enabling the top of the stranding cage to collide with the left end of the piston, the left end of the piston is not prone to bending deformation, the outer side face of the sealing position of the left end of the piston is prevented from being abraded greatly, accordingly, the piston is not prone to damage and air leakage, meanwhile, when the sleeve and the gasket are damaged, only one part of the piston needs to be replaced, and materials are saved.

Drawings

Fig. 1 is a front sectional view of a conventional stranded cage cylinder center structure.

FIG. 2 is a front sectional view of the present invention.

Fig. 3 is a right side view of the stranding cage tip of the present invention.

In the figure: the piston comprises a piston 1, a stranding cage tip 2, a thrust ball bearing 3, a cylinder 4, a sealing ring 5, a piston ring 6, a sleeve 7, a gasket 8, a screw 9, a sealing ring 10, a limiting ring 11, a deep groove ball bearing 12, a retainer ring 13, a radial roller bearing 14, a snap spring 15, a through hole 16 and a shaft 17.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" 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 being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being 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.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: a stranding cage cylinder core for a stranding cage machine comprises a shaft 17, the shaft 17 is fixedly connected with a piston 1, the shaft 17 is rotatably connected with a stranding cage tip 2, the left end of the piston 1 is sleeved on the right end of the stranding cage tip 2, the piston 1 comprises a sleeve 7 and a gasket 8 which are made of cast steel materials, the sleeve 7 is made of seamless steel tubes, the gasket 8 is made of No. 45 steel, the piston 1 further comprises a piston ring 6, screws 9 and a sealing ring 10, the left end of the sleeve 7 is sleeved on the gasket 8, the right end of the sleeve 7 is sleeved on the left end of the piston 6, the screws 9 are installed between the gasket 8 and the piston ring 6, the gasket 8, the sleeve 7 and the piston ring 6 form a fixed structure through the screws 9, the screws 9 penetrate through holes in the gasket 8 to be in threaded connection with the piston ring 6, the number of the screws 9 is four, the screws 9 are uniformly distributed on the radial section of the shaft 17 in an annular shape, the stranding cage tip 2 and the left end of the piston 1 are enabled to collide through the sleeve 7 and the gasket 8 made of the cast steel materials, the left end of the piston 1 is not easy to bend and deform, the outer side surface of the left end sealing part of the piston 1 is prevented from being greatly abraded, so that the piston 1 is not easy to damage and leak, and when the sleeve 7 and the gasket 8 are damaged, only a part of the piston 1 needs to be replaced, thereby saving materials, a sealing ring 10 is arranged between the sleeve 7 and the piston ring 6, the sealing ring 10 is positioned in an annular groove on the piston ring 6, which is contacted with the sleeve 7, wherein the piston ring 6 and the gasket 8 are sleeved on the shaft 17, the piston ring 6 and the gasket 8 are clamped on the shaft 17, the right end of the piston ring 6 is provided with the limiting ring 11, the limiting ring 11 is a half sleeve, the limiting ring 11 is sleeved on the shaft 17, the piston 1 is limited by the limit ring 11 to move rightwards, the left end of the gasket 8 is rotationally connected with the top 2 of the stranding cage through a bearing, wherein the left end of the gasket 8 is in contact fit with the surface of the right end of the deep groove ball bearing 12 in the bearing, so that the piston 1 is limited to move leftwards, and the shaft 17 is fixedly connected with the piston 1.

A deep groove ball bearing 12 is arranged between the right end of a stranding cage tip 2 and a shaft 17, the deep groove ball bearing 12 is sleeved in the stranding cage tip 2 and sleeved on the shaft 17, the left end of the deep groove ball bearing 12 is in contact fit with the surface of a retainer ring 13, the radial section of the retainer ring 13 is sequentially increased from right to left, the retainer ring 13 is of a circular truncated cone-shaped structure, a thrust ball bearing 3 is arranged between the left end of the retainer ring 13 and the stranding cage tip 2, the model of the thrust ball bearing 3 is 51210, the bearing capacity of the thrust ball bearing 3 is increased through the change of the model of the thrust ball bearing 3, the thrust ball bearing 3 is prevented from being damaged easily, a snap spring 15 is arranged between the inner side of the left end of the stranding cage tip 2 and the shaft 17, the snap spring 15 is an inner and outer snap spring of an NJ series inner sleeve, a radial bearing 14 is arranged between the right side of the snap spring 15 and the stranding cage tip 2, the thrust ball bearing 3 and the radial bearing 14 are positioned between the stranding cage tip 2 and the shaft 17, the stranding cage tip 2, the thrust ball bearing 3 and the radial bearing 14 are arranged in the stranding cage tip 2, the sleeve is sleeved on a shaft 17, the axial movement of the stranding cage center 2 is limited through a clamp spring 15 and a gasket 8, wherein the stranding cage center 2 is provided with axial through holes 16, the left end of each through hole 16 is tightly attached to the outer ring of the radial roller bearing 14, the number of the through holes 16 is three, the through holes 16 are uniformly distributed on the radial section of the stranding cage center 2 in an annular shape, and the radial roller bearing 14 is convenient to disassemble through the through holes 16.

The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.

Claims

1. The utility model provides a stranded conductor machine hank cage cylinder core, includes axle (17), axle (17) and piston (1) fixed connection, axle (17) rotate with hank cage top (2) and are connected, piston (1) left end overcoat in hank cage top (2) right-hand member, its characterized in that: the piston (1) comprises a sleeve (7) and a gasket (8) which are made of cast steel materials, the left end of the sleeve (7) is sleeved on the gasket (8), the right end of the sleeve (7) is sleeved with a piston ring (6), a screw (9) is installed between the gasket (8) and the piston ring (6), and the gasket (8), the sleeve (7) and the piston ring (6) form a fixing structure through the screws (9).

2. The stranding cage cylinder core for a stranding machine according to claim 1, characterized in that: and a sealing ring (10) is arranged between the sleeve (7) and the piston ring (6).

3. The stranding cage cylinder core for a stranding machine according to claim 1, characterized in that: the screws (9) are uniformly distributed in a ring shape on the radial section of the shaft (17).

4. The stranding cage cylinder core for a stranding machine according to claim 1, characterized in that: piston ring (6), packing ring (8) overcoat in axle (17), piston ring (6) right-hand member installation spacing ring (11), spacing ring (11) overcoat in axle (17), packing ring (8) left end pass through the bearing with top (2) the swivelling joint of hank cage.

5. The stranding cage cylinder core for a stranding machine according to claim 4, characterized in that: install deep groove ball bearing (12) between hank cage top (2) right-hand member and axle (17), deep groove ball bearing (12) right-hand member and packing ring (8) surface contact cooperation, deep groove ball bearing (12) left end and retaining ring (13) surface contact cooperation, the radial cross-section of retaining ring (13) increases from right to left in proper order, install thrust ball bearing (3) between retaining ring (13) left end and hank cage top (2), install jump ring (15) between hank cage top (2) left end inboard and axle (17), install radial roller bearing (14) between jump ring (15) right side and hank cage top (2), thrust ball bearing (3), radial roller bearing (14) are located between hank cage top (2) and axle (17).

6. The stranding cage cylinder core for a stranding machine according to claim 5, characterized in that: the stranding cage center (2) is provided with axial through holes (16), the left end of each through hole (16) is tightly attached to the radial roller bearing (14), and the through holes (16) are uniformly distributed on the radial section of the stranding cage center (2) in an annular mode.