CN209988906U - Winding mechanism of air expansion shaft of winding machine - Google Patents

Abstract

The utility model discloses an air expansion shaft winding mechanism of a winding machine, which comprises a main shaft, a cylinder component and at least one limiting structure; the limiting structure comprises a first orifice plate, a second orifice plate and an annular elastic piece, and the first orifice plate and the second orifice plate are sleeved on the main shaft in an adjustable distance; an annular limiting crack is defined between the peripheries of the opposite sides of the first pore plate and the second pore plate, the annular elastic piece is sleeved in the limiting crack, and the air cylinder assembly is in transmission connection with the second pore plate and used for reducing the distance between the first pore plate and the second pore plate, so that the width of the limiting crack is reduced, the limiting crack is extruded out of the periphery of the annular elastic piece, and the winding drum core is tightly pushed. The utility model discloses a rolling machine inflatable shaft winding mechanism no longer needs to use the gasbag, and the weight of reel core is pressed on the elastic component that the round is outstanding during locking, and the elastic component low price, and it is convenient to change when producing the loss, accords with production economy principle more.

Description

Winding mechanism of air expansion shaft of winding machine

Technical Field

The utility model belongs to the technical field of the rolling equipment technique and specifically relates to a rolling machine inflatable shaft winding mechanism.

Background

The air expansion shaft is a special winding and unwinding shaft, has diversified names, is called as an air pressure shaft, an expansion shaft, an air inflation shaft, a pressure shaft, an air expansion roller and the like, and is used for supporting a winding drum core to complete winding and unwinding. Although the names of the inflatable shafts are many, the working principle of the inflatable shafts is not beyond that when the reel core needs to be pressed tightly, the inflating device inflates air towards the air nozzle on the inflatable shafts, so that the surfaces of the shafts are expanded to press the reel core tightly; when the reel core needs to be released for unloading, the sliding air core on the air nozzle is pressed by hand to deflate so as to retract the surface of the shaft, thereby facilitating the unloading of the reel core. It can be seen from the above working principle that the inflatable and deflatable air bag is one of the core structures of the existing inflatable shaft, and when the air bag is damaged, the air bag needs to be replaced in time to work normally. The air bag belongs to an easily-worn product, the cost for replacing the air bag is higher, the air expansion shaft structure on the existing market is large in differentiation, and the air bag is troublesome to maintain or replace. The utility model discloses a chinese utility model with patent number 201520744595.1 discloses a paper machine physiosis axle, its technical scheme main points are through the threaded connection among the flange joint replacement prior art, when taking place the gasbag and damaging, unpack apart flange joint and can change the gasbag, need not dismantle bearing supporting position, have solved the physiosis axle and have constructed complicacy and the inconvenient problem of maintenance. However, in the above patent, the airbag is replaced conveniently only by changing the connection structure of the airbag and the shaft body, but the traditional structure of the inflatable shaft is not changed, the wear rate of the airbag still exists, and the replacement cost of the airbag still exists, which is not economical and practical in production.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rolling machine inflatable shaft winding mechanism aims at solving the inevitable attrition rate of gasbag in the current inflatable shaft traditional architecture, and the replacement cost of gasbag is economical and practical's technical problem inadequately in production.

The technical scheme of the utility model as follows:

an air expansion shaft winding mechanism of a winding machine comprises a main shaft, a cylinder assembly and at least one limiting structure; the limiting structure comprises a first orifice plate, a second orifice plate and an annular elastic piece, and the first orifice plate and the second orifice plate are sleeved on the main shaft in an adjustable distance; an annular limiting crack is defined between the peripheries of the opposite sides of the first pore plate and the second pore plate, the annular elastic piece is sleeved in the limiting crack, and the air cylinder assembly is in transmission connection with the second pore plate and used for reducing the distance between the first pore plate and the second pore plate, so that the width of the limiting crack is reduced, the limiting crack is extruded out of the periphery of the annular elastic piece, and the winding drum core is tightly pushed.

The winding mechanism of the air expansion shaft of the winding machine is characterized in that the at least one limiting structure comprises two limiting structures; the first pore plate is fixedly arranged on the main shaft, the second pore plate is movably arranged on the main shaft, the second pore plates of the two limiting structures are arranged between the first pore plates of the two limiting structures, and the air cylinder assembly is arranged between the two second pore plates so as to drive the two second pore plates to be close to or far away from the two first pore plates respectively.

The air expansion shaft winding mechanism of the winding machine is characterized in that the periphery of the opposite side of the first pore plate and the second pore plate of each limiting structure is provided with an inclined plane part which inclines from the periphery to the center, the annular elastic part is clamped in the limiting crack and is in contact with the inclined plane part, and when the gap is reduced, the inclined plane part extrudes the annular elastic part from the limiting crack.

The air expansion shaft winding mechanism of the winding machine further comprises a guide rod, the guide rod is arranged between the two limiting structures, two ends of the guide rod penetrate through the second pore plate respectively, and the end part of the guide rod is arranged on the first pore plate.

The air expansion shaft winding mechanism of the winding machine is characterized in that a section, located between the second pore plate and the first pore plate of the limiting structure, on the guide rod is provided with a return spring.

The winding mechanism of the air expansion shaft of the winding machine is characterized in that two guide rods are arranged on the main shaft in a manner of taking the axial direction of the main shaft as a symmetrical axis.

The winding mechanism of the air expansion shaft of the winding machine is characterized in that the air cylinder component comprises a thin air cylinder.

The air expansion shaft winding mechanism of the winding machine comprises a cylinder assembly and a second pore plate, wherein the cylinder assembly comprises two thin cylinders, and the two thin cylinders are symmetrically arranged between the two second pore plates by taking the center of the second pore plate as a symmetrical point.

The winding mechanism of the air expansion shaft of the winding machine is characterized in that the annular elastic piece is an annular spring.

The winding mechanism of the air expansion shaft of the winding machine is characterized in that the annular elastic part is an elastic rubber ring.

Has the advantages that: the utility model provides a rolling machine inflatable shaft winding mechanism has adopted the locking theory of operation that contracts with the similar harmomegathus of traditional inflatable shaft, has nevertheless designed brand-new inflatable shaft structure, no longer need use the gasbag, and the weight of reel core does not press on other structures of inflatable shaft during locking, but presses on the elastic component that the round is outstanding, and the elastic component low price, and it is convenient to change when producing the loss, accords with production economic principle more.

Drawings

FIG. 1 is a schematic structural view of an air expansion shaft winding mechanism of a winding machine.

Fig. 2 is a schematic structural diagram of a limiting structure.

Fig. 3 is an enlarged schematic view at a in fig. 2.

FIG. 4 is a schematic structural view of an air shaft winding mechanism of the winding machine.

Fig. 5 is an enlarged schematic view at B in fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, fig. 1 shows an air-expanding shaft winding mechanism of a winding machine according to an embodiment of the present invention, which mainly includes a main shaft 1, a cylinder assembly 2, and at least one limiting structure 3 (fig. 1 shows that two limiting structures 3 are included).

Referring to fig. 2 and 3, the limiting structure 3 includes a first orifice plate 31, a second orifice plate 32 and an annular elastic member 33, and the first orifice plate 31 and the second orifice plate 32 are sleeved on the spindle 1 with an adjustable distance therebetween. Generally, a limiting member is disposed on the main shaft 1 to fix the first orifice plate 31, and the second orifice plate 32 is movably disposed on the main shaft 1, so that the distance between the first orifice plate 31 and the second orifice plate 32 is adjustable. An annular limiting crack is defined between the peripheries of the opposite sides of the first pore plate 31 and the second pore plate 32, the annular elastic member 33 is sleeved in the limiting crack, and the cylinder assembly 2 is in transmission connection with the second pore plate 32 to adjust the distance between the first pore plate 31 and the second pore plate 32. When the cylinder assembly 2 drives the second orifice plate 32 to move toward the first orifice plate 31, the gap between the first orifice plate 31 and the second orifice plate 32 is reduced, i.e., the width of the spacing gap is reduced, and the periphery of the annular elastic member 33 is extruded out of the spacing gap. In some embodiments, the first orifice plate 31 and the second orifice plate 32 can be movably disposed on the main shaft 1, and then the cylinder assemblies 2 are disposed on both sides for transmission connection, and the two sides respectively apply driving forces in opposite directions to reduce the gap between the first orifice plate 31 and the second orifice plate 32, and also extrude the periphery of the annular elastic member 33 out of the spacing gap.

When the winding mechanism of the air expansion shaft of the winding machine is only provided with one limiting structure 3, the cylinder assembly 2 can be fixed on the main shaft 1 (not shown in the figure). One end of the main shaft 1 is provided with a rotary joint 5 which is used for being connected with a rotary driving shaft 8 of a winding machine to prevent the air pipe from being distorted.

When the winding mechanism of the air expansion shaft of the winding machine is provided with two limiting structures 3, referring to fig. 1, 4 and 5, the first pore plate 31 is fixedly arranged on the main shaft 1, the second pore plate 32 is movably arranged on the main shaft 1, the second pore plates 32 of the two limiting structures 3 are arranged between the first pore plates 31 of the two limiting structures 3, and the cylinder assembly 2 is arranged between the two second pore plates 32 to drive the two second pore plates 32 to be close to or far away from the two first pore plates 31 respectively.

In actual work, outside aerating device aerifys to cylinder assembly 2 through the trachea, make the gas pole of cylinder assembly 2 stretch out, the effect of effect is mutual, the gas pole stretches out and can drives two this second orifice plates 32 simultaneously and move to opposite direction, make two this second orifice plates 32 respectively towards and this first orifice plate 31 that belongs to same limit structure 3 with self be close to, the clearance that makes between this first orifice plate 31 of same limit structure 3 and this second orifice plate 32 reduces, reduce the width of this spacing crack promptly, extrude this spacing crack to the edge that is higher than this first orifice plate 31 and this second orifice plate 32 with the periphery of this cyclic annular elastic component 33, and then tightly the reel core, in order to reach the effect of firmly blocking the reel core. When unloading is required, the inflation device is deflated, the air rod of the cylinder assembly 2 is retracted, and the second orifice plate 32 is returned to the original position under the contraction force of the annular elastic member 33. Set up this limit structure 3 and make the winding mechanism structure more light, set up two this limit structure 3 and effectively improve the locking force to the reel core, can select for use different schemes according to actual conditions (for example, the weight of reel core, rolling speed etc.) in practice.

The utility model provides a rolling machine inflatable shaft winding mechanism has adopted the locking theory of operation that contracts with the similar harmomegathus of traditional inflatable shaft, has nevertheless designed brand-new inflatable shaft structure, no longer need use the gasbag, and the weight of reel core does not press on other structures of inflatable shaft during locking, but presses on the elastic component that the round is outstanding, and the elastic component low price, and it is convenient to change when producing the loss, accords with production economic principle more. The annular elastic member 33 is not fixedly connected with the first orifice plate 31 and the second orifice plate 32, and is only clamped in the limiting crack, so that the annular elastic member 33 is directly detached during replacement, and then a new annular elastic member is replaced.

Preferably, referring to fig. 3, the periphery of each of the opposite sides of the first orifice plate 31 and the second orifice plate 32 of the restriction structure 3 is provided with a slope portion 34 inclined from the outer periphery to the center, the annular elastic member 33 is clamped in the restriction slit and contacts with the slope portion 34, and the slope portion 34 can more smoothly and uniformly extrude the annular elastic member 33 from the restriction slit when the gap is reduced.

Preferably, referring to fig. 1 and 4, the air shaft winding mechanism of the winding machine is further provided with a guide rod 4, the guide rod 4 is disposed between the two limiting structures 3, two ends of the guide rod 4 respectively penetrate through the second hole plate 32, and an end portion (using a gasket screw) of the guide rod is disposed on the first hole plate 31. The guide rod 4 can make the second orifice plate 32 move more smoothly and accurately. Preferably, the section of the guide rod 4 between the second perforated plate 32 and the first perforated plate 31 of a limiting structure 3 is provided with a return spring 6. The guide rods 4 are preferably arranged in two pairs, symmetrically to the axial direction of the main shaft 1, as shown in fig. 1.

Specifically, for the solution of providing a limit mechanism 3, the cylinder assembly 2 comprises a thin cylinder, which can be fixed on the main shaft 1 (not shown in the figure). In the case of the arrangement of the two limiting mechanisms 3, the cylinder assembly 2 includes two thin cylinders, and the two thin cylinders are symmetrically arranged between the two second orifice plates 32 with the center of the second orifice plate 32 as a symmetrical point, as shown in fig. 1 and 4.

Preferably, the annular elastic member 33 may be an elastic rubber ring, preferably an annular spring. For the annular spring, the elasticity is large, the rebound resilience is good, when the width of the limiting crack is reduced, the annular limiting spring 33 can be extruded, the diameter of the annular limiting spring 33 is increased, and the annular limiting spring 33 protrudes out of the surface of the first orifice plate 31, so that the inner wall of the winding drum core can be tightly pressed.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims (10)

1. An air expansion shaft winding mechanism of a winding machine is characterized by comprising a main shaft, a cylinder assembly and at least one limiting structure; the limiting structure comprises a first orifice plate, a second orifice plate and an annular elastic piece, and the first orifice plate and the second orifice plate are sleeved on the main shaft in an adjustable distance; an annular limiting crack is defined between the peripheries of the opposite sides of the first pore plate and the second pore plate, the annular elastic piece is sleeved in the limiting crack, and the air cylinder assembly is in transmission connection with the second pore plate and used for reducing the distance between the first pore plate and the second pore plate, so that the width of the limiting crack is reduced, the limiting crack is extruded out of the periphery of the annular elastic piece, and the winding drum core is tightly pushed.

2. The winding mechanism of claim 1, wherein the at least one stop structure comprises two of the stop structures; the first pore plate is fixedly arranged on the main shaft, the second pore plate is movably arranged on the main shaft, the second pore plates of the two limiting structures are arranged between the first pore plates of the two limiting structures, and the air cylinder assembly is arranged between the two second pore plates so as to drive the two second pore plates to be close to or far away from the two first pore plates respectively.

3. The winding mechanism of claim 1 or 2, wherein the first perforated plate and the second perforated plate of each of the position-limiting structures have inclined surface portions inclined from the outer periphery to the center at the peripheries of opposite sides thereof, the annular elastic member is clamped in the position-limiting slit and contacts the inclined surface portions, and the inclined surface portions push the annular elastic member out of the position-limiting slit when the gap decreases.

4. The winding mechanism of an inflatable shaft of a winding machine according to claim 2, further comprising a guide rod, wherein the guide rod is arranged between the two limiting structures, two ends of the guide rod respectively penetrate through the second orifice plate, and the end part of the guide rod is arranged on the first orifice plate.

5. The winding mechanism of claim 4, wherein a return spring is disposed on the guide rod at a section between the second orifice plate and the first orifice plate of the limiting structure.

6. The winding mechanism of claim 5, wherein two guide rods are provided to be symmetrical with respect to the axial direction of the main shaft.

7. The winder air shaft winding mechanism of claim 1 or 2, wherein the cylinder assembly comprises a thin cylinder.

8. The winding mechanism of claim 7, wherein the cylinder assembly comprises two thin cylinders, and the two thin cylinders are symmetrically disposed between the two second orifice plates with the center of the second orifice plate as a symmetry point.

9. The winding mechanism of claim 1 or 2, wherein the annular elastic member is an annular spring.

10. The winding mechanism of an inflatable shaft of a winding machine as claimed in claim 1 or 2, wherein the annular elastic member is an elastic rubber ring.

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