CN220033678U

CN220033678U - Sliding-plug type inflatable shaft

Info

Publication number: CN220033678U
Application number: CN202321063740.0U
Authority: CN
Inventors: 王帅贤; 高成岗
Original assignee: Zhengzhou Luchuang Machinery Co ltd
Current assignee: Zhengzhou Luchuang Machinery Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-17
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a sliding plug type air expansion shaft, which comprises an air expansion shaft body, wherein the air expansion shaft body consists of a small-diameter shaft and a large-diameter shaft, the shaft body of the small-diameter shaft is a slotless shaft body, the small-diameter shaft is rotationally connected with a sleeve through a rotating piece, a positioning ring is arranged on the sleeve, the side wall of the sleeve is matched with the positioning ring to form an inner side coiled material fixing station, and the side wall of the large-diameter shaft is provided with an outer side coiled material fixing station.

Description

Sliding-plug type inflatable shaft

Technical Field

The utility model relates to the technical field of inflatable shafts, in particular to a sliding plug type inflatable shaft.

Background

The inflatable shaft is widely applied to mechanical equipment such as printing, coating, compounding, slitting, die cutting and the like, is a special winding, expanding shaft, inflatable roller, inflatable shaft, pressure shaft and the like, and is better than a general shaft in that the whole shaft is not required to be detached in unloading, is widely applied to the inflatable shaft on an unreeling mechanism of wet towel production equipment, and can have more stable tension control force for passive unreeling of cloth rolls.

The chinese patent section of application No. "2016208372825" discloses in the [ 0006 ] section of the description part that "put cloth device includes the fixed gas expansion axle that sets up in the frame and establishes the work feed mechanism at gas expansion axle lower extreme, is equipped with automatic cloth receiving device between two cloth devices, automatic cloth receiving device's rear portion is equipped with buffer, automatic cloth receiving device includes the cloth pressing plate, and the motion of cloth pressing plate is controlled by the pneumatic cylinder, and when the epaxial non-woven fabrics yardage rolls of different gas expansion were replaced, the cloth tail of different rolls of non-woven fabrics and the cloth head flowed into buffer after the compaction effect of cloth pressing plate on both sides was connected", the wet towel production equipment who provides in this technical scheme is through the non-woven fabrics yardage rolls that the gas expansion axle tensioning of different positions corresponds, and this unreeling device needs to install a plurality of gas expansion axles, occupation space is big, improves manufacturing cost.

Disclosure of Invention

The utility model aims to provide a sliding plug type inflatable shaft which can realize simultaneous winding and unwinding of two coiled materials, save the space of unwinding equipment and further reduce the production cost so as to solve the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a smooth plug-in type air expansion axle, includes air expansion axle body, air expansion axle body comprises thin footpath axle and thick footpath axle, the axis body of thin footpath axle is the slotless rod body, thin footpath axle rotates through the rotation piece and is connected with the sleeve, be provided with the holding ring on the sleeve, the inboard coiled material fixed station is constituteed with the holding ring cooperation to telescopic lateral wall, thick footpath axle lateral wall is equipped with outside coiled material fixed station.

Further, an outer width scale is arranged on the outer side wall of the thick diameter shaft.

Further, an inside width scale is arranged on the outer side wall of the sleeve.

Further, the two ends are provided with dust covers for preventing coil scraps from entering.

Further, the small diameter shaft is sleeved with an inflatable shaft fixing seat at one end far away from the large diameter shaft, and a rotary air pipe joint is arranged at the exposed end of the small diameter shaft penetrating through the inflatable shaft fixing seat.

The beneficial effects of the utility model are as follows: according to the utility model, the sleeve is sleeved on the small-diameter shaft on the air expansion shaft, the sleeve and the positioning ring are matched to form the inner side coiled material fixing station to fix the inner side coiled material, and the outer side coiled material fixing station arranged on the side wall of the large-diameter shaft is used to fix the outer side coiled material, so that two coiled materials can be simultaneously wound and unwound, the two coiled materials are not interfered with each other, and the tension control of the coiled materials is more stable.

Drawings

FIG. 1 is a schematic diagram of an installation structure of a sliding plug type inflatable shaft provided by the utility model;

fig. 2 is a schematic diagram of the overall structure of a sliding plug type inflatable shaft provided by the utility model.

The reference numerals in the drawings indicate: 100. an inflatable shaft body; 110. a small diameter shaft; 120. a thick diameter shaft; 121. airbag keyway; 200. a sleeve; 300. a dust cover; 400. an outside width scale; 500. an inside width scale; 600. a positioning ring; 700. the inflatable shaft fixing seat; 800. and rotating the air pipe joint.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples are as follows:

the sliding plug type air expansion shaft as shown in fig. 1 and 2 comprises an air expansion shaft body 100, wherein the air expansion shaft body 100 is composed of a small-diameter shaft 110 and a large-diameter shaft 120, the shaft body of the small-diameter shaft 110 is a slotless shaft body, the small-diameter shaft 110 is rotationally connected with a sleeve 200 through a rotating piece, a positioning ring 600 is fastened on the side wall of the sleeve 200, the sleeve 200 and the positioning ring 600 are matched to form an inner side coiled material fixing station, and the side wall of the large-diameter shaft 120 is provided with an outer side coiled material fixing station.

Further, an outer width scale 400 is arranged on the outer side wall of the thick diameter shaft 120, scales of the outer width scale 400 are marked from left to right by taking the left end face of the thick diameter shaft 120 as a datum line, so that the width of the coiled material which is unreeled outside is displayed, and the coiled material which is unreeled outside can be rapidly positioned and installed; the inner width scale 500 is arranged on the outer side wall of the sleeve 200, scales of the inner width scale 500 are marked from right to left by taking the right end face of the sleeve 200 as a datum line, so that the width of the coiled material which is unreeled at the inner side is displayed, and the coiled material which is unreeled at the inner side can be rapidly positioned and installed; the outer width scale 400 and the inner width scale 500 facilitate the assembly and disassembly of the inner and outer rolls of cloth.

In addition, be provided with matched locating ring 600 on the sleeve 200 to be used for cooperating sleeve 200 to press from both sides the coiled material of inboard unreeling, sleeve 200 can fix a roll of yardage roll coiled material alone, and diameter shaft 110 is kept away from thick diameter shaft 120 one end cover and is equipped with inflatable shaft fixing base 700, and inflatable shaft fixing base 700 passes through the bolt fastening on the equipment support, and diameter shaft 110 passes the end that exposes of inflatable shaft fixing base 700 and is provided with rotatory air pipe joint 800, and rotatory air pipe joint 800 passes ball torque controller and air feed pipe connection, air feed pipe connection air pump assembly.

When the yardage roll coiled material is installed, firstly, the fastening nuts of the positioning rings 600 are loosened through the spiral, the positioning rings 600 at the right end are taken down, the winding core of the inner yardage roll coiled material is sleeved on the sleeve 200, then the right end positioning rings 600 are installed on the sleeve 200, the two positioning rings 600 are respectively abutted against the inner yardage roll coiled material according to the known size of the coiled material, the fastening nuts are screwed, then the outer yardage roll coiled material is sleeved on the thick diameter shaft 120, the outer yardage roll coiled material is quickly sleeved on the position corresponding to the thick diameter shaft 120 according to the known size of the outer yardage roll coiled material, the air pump assembly supplies air through the air supply guide pipe, the inner convex key of the air bag key groove 121 is ejected, and the inner core of the outer yardage roll coiled material is tensioned by the air expansion shaft, so that the fixed installation of the two yardage roll coiled materials is completed.

To sum up: the utility model has simple structure, can realize simultaneous winding and unwinding of two coiled materials, saves the space of unwinding equipment, and further reduces the production cost.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a smooth plug-in type air expansion axle, includes air expansion axle body, air expansion axle body comprises thin footpath axle and thick footpath axle, its characterized in that: the shaft body of the small-diameter shaft is a slotless shaft body, the small-diameter shaft is rotationally connected with a sleeve through a rotating piece, a positioning ring is arranged on the sleeve, the sleeve and the positioning ring are matched to form an inner side coiled material fixing station, and the side wall of the large-diameter shaft is provided with an outer side coiled material fixing station.

2. A sliding plug type inflatable shaft according to claim 1, wherein: and an outer width scale is arranged on the outer side wall of the thick diameter shaft.

3. A sliding plug type inflatable shaft according to claim 1, wherein: an inner side width scale is arranged on the outer side wall of the sleeve.

4. A sliding plug type inflatable shaft according to claim 1, wherein: and dust covers for preventing coiled material scraps from entering are arranged at two ends of the sleeve.

5. A sliding plug type inflatable shaft according to claim 1, wherein: the small diameter shaft is provided with an inflatable shaft fixing seat in a sleeved mode at one end, far away from the large diameter shaft, of the small diameter shaft, and a rotary air pipe connector is arranged at the exposed end, penetrating through the inflatable shaft fixing seat, of the small diameter shaft.