CN210133774U

CN210133774U - Centering physiosis axle

Info

Publication number: CN210133774U
Application number: CN201920884879.9U
Authority: CN
Inventors: 王俊书
Original assignee: Quanzhou Taylor Machinery Technology Co Ltd
Current assignee: Quanzhou Taylor Machinery Technology Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-03-10
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to an physiosis axle technical field specifically is a centering physiosis axle, its simple structure, reasonable in design, practical meaning and spreading value have, the expectation can produce good economic benefits, including the physiosis axis body, 2 toper pieces, 2 gasbag, air cock and a plurality of key piece, the physiosis axis body is hollow tube-shape, physiosis axis body both ends axle center position all is equipped with the connecting axle, the inside both sides of physiosis axis body are located respectively to the toper piece, toper piece and physiosis axis body inner wall constitute the removal vice, toper piece axle center is equipped with the through-hole, the inside both ends of physiosis axis body are located respectively to 2 gasbag, the gasbag is located between toper piece and physiosis axis body terminal wall, 2 gasbag is linked together through the through-hole, the physiosis axis body surface is located to the air cock, the air cock is linked together with the gasbag, the key piece is installed in the physiosis axis body surface, the key piece.

Description

Centering physiosis axle

Technical Field

The utility model relates to an physiosis axle technical field specifically is a centering physiosis axle.

Background

The air-expanding shaft is a specially-made winding and unwinding shaft, has wide application range, and is matched with various devices such as a leather machine, a coating machine, a film blowing machine, a non-woven machine and the like, the inner wall of a winding core is propped by an air bag expansion ejection key block so as to achieve the effect of fixing the winding core, but the stress degree of each key block is different when the air bag expands, so that the ejection degree and the ejection speed of the key block are different, the axial movement of the winding core is easily caused, the position of the winding core is inaccurate, and the normal winding is influenced, the prior art discloses an automatic centering air-expanding shaft (application number: CN 201721469645.5) for the coating machine, which comprises an air-expanding shaft body, wherein telescopic bosses which are uniformly distributed at equal angles and equal intervals are arranged on the outer side of the air-expanding shaft body, two ends of the air-expanding shaft body are connected with one ends of two groups of main shafts which are symmetrically distributed, the middle position of one end of the air, be equipped with the fixed plate between the connecting rib, one side of fixed plate is equipped with control switch, one side of main shaft is equipped with inlet channel, one side that the main shaft is close to inlet channel is equipped with the pipeline of giving vent to anger, and this technical scheme can avoid the physiosis axle during operation to roll up the core and take place the skew, but the physiosis axle structure of this technical scheme record is very complicated, is unfavorable for making and manufacturing cost is higher, if consequently if improve on this technical scheme's basis, research and development a simple structure, each key piece ejecting speed, degree are unanimous, can prevent that the physiosis axle that the core of rolling up takes place the skew will have positive meaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centering physiosis axle to solve the problem mentioned in the background art.

In order to achieve the purpose, the utility model provides a following technical scheme including inflatable shaft body, 2 toper pieces, 2 gasbags, air cock and a plurality of key pieces, inflatable shaft body is hollow tube-shape, inflatable shaft body both ends axle center position all is equipped with the connecting axle, the toper piece is located respectively the inside both sides of inflatable shaft body, the toper piece with inflatable shaft body inner wall constitutes the shifting pair, toper piece axle center is equipped with the through-hole, 2 the gasbag is located respectively the inside both ends of inflatable shaft body, the gasbag is located toper piece with between the terminal wall of inflatable shaft body, 2 the gasbag passes through the through-hole is linked together, the air cock is located inflatable shaft body surface, the air cock with the gasbag is linked together, the key piece movably install in inflatable shaft body surface, the key piece both ends all are equipped with and are equipped with the chamfer.

Preferably, the chamfers at the two ends of the key block are matched with the inclined surfaces of the conical block.

Preferably, the number of the key blocks is 6.

Preferably, the bladder is a rubber bladder.

Preferably, the air tap is arranged at the tail end of the inflatable shaft body.

Preferably, a plurality of the key blocks are equidistantly mounted on the surface of the inflatable shaft.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a centering physiosis axle, insert the physiosis axis body into rolling up the core during use, fill gas into the air cock, gasbag inflation volume grow this moment, promote the toper piece to move to the middle part of physiosis axis body after the gasbag expands, the toper piece is released the key piece and is withstood the inner wall of rolling up the core this moment, because the chamfer at toper piece inclined plane and key piece both ends matches, therefore the speed, the degree that each key piece was released will be unanimous, can not lead to the rolling up core to take place directional removal, make the position of rolling up the core inaccurate, influence normal rolling; after the inflatable shaft body is used, gas in the air bag is discharged through the air tap, the shape of the air bag is recovered, the key block cannot push against the inner wall of the winding core, and the inflatable shaft body can be taken out easily.

The utility model discloses simple structure, reasonable in design has practical meaning and spreading value, expects to produce good economic benefits.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional structure of the present invention;

FIG. 3 is a schematic cross-sectional configuration of the tapered block;

FIG. 4 is a schematic view of the key block cross-sectional configuration;

in the figure: the inflatable shaft body 1, the connecting shaft 11, the conical block 2, the through hole 21, the air bag 3, the air nozzle 4 and the key block 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Examples

With reference to fig. 1-4, a centering inflatable shaft comprises an

inflatable shaft body

1, 2

conical blocks

2, 2 air bags 3, an air faucet 4 and 6 key blocks 5, wherein the inflatable shaft body 1 is hollow and cylindrical, two ends of the inflatable shaft body 1 are provided with connecting shafts 11, the conical blocks 2 are respectively arranged at two sides inside the inflatable shaft body 1, the conical blocks 2 and the inner wall of the inflatable shaft body 1 form a moving pair, the axes of the conical blocks 2 are provided with through

holes

21, 2 air bags 3 are respectively arranged at two ends inside the inflatable shaft body 1, the air bags 3 are arranged between the conical blocks 2 and the end wall of the

inflatable shaft body

1, 2 air bags 3 are communicated through the through holes 21, the air faucet 4 is arranged at the end surface of the inflatable shaft body 1, the air faucet 4 is communicated with the air bags 3, and the key blocks 5 are equidistantly and movably mounted on the surface of the inflatable shaft body 1, chamfers are arranged at two ends of the key block 5, and the chamfers at two ends of the key block 5 are matched with the inclined surfaces of the conical blocks 2.

The air bag 3 is a rubber air bag; the air nozzle 4 refers to a part for inflating and deflating the air bag 3 in the field of inflatable shafts, and is also called an air valve.

The utility model discloses the theory of operation: when the inflatable shaft body is used, the inflatable shaft body 1 is inserted into a winding core, gas is filled into the gas nozzle 4, the expansion volume of the gas bag 3 is increased, the gas bag 3 pushes the conical block 2 to move towards the middle of the inflatable shaft body 1 after being expanded, the conical block 2 pushes the key block 5 out to prop against the inner wall of the winding core, and because the inclined surfaces of the conical block 2 and the chamfers at the two ends of the key block 5 are matched, the pushing speed and the pushing degree of each key block are consistent, the winding core cannot be directionally moved, the position of the winding core is inaccurate, and normal winding is influenced; after the use, the air in the air bag 3 is discharged through the air nozzle 4, at the moment, the shape of the air bag 3 is recovered, the key block 5 cannot prop against the inner wall of the roll core, and the inflatable shaft body 1 can be easily taken out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centering physiosis axle, includes physiosis axis body (1), physiosis axis body (1) is hollow tube-shape, physiosis axis body (1) both ends axle center position all is equipped with connecting axle (11), its characterized in that still includes:

the inflatable shaft comprises 2 conical blocks (2), the conical blocks (2) are respectively arranged on two sides of the interior of the inflatable shaft body (1), the conical blocks (2) and the inner wall of the inflatable shaft body (1) form a sliding pair, and a through hole (21) is formed in the axis of each conical block (2);

the inflatable shaft body (1) is provided with 2 air bags (3), the 2 air bags (3) are respectively arranged at two ends inside the inflatable shaft body (1), the air bags (3) are positioned between the conical block (2) and the tail end wall of the inflatable shaft body (1), and the 2 air bags (3) are communicated through the through holes (21);

the air nozzle (4) is arranged on the surface of the inflatable shaft body (1), and the air nozzle (4) is communicated with the air bag (3);

the inflatable shaft body (1) is characterized by comprising a plurality of key blocks (5), wherein the key blocks (5) are movably arranged on the surface of the inflatable shaft body (1), and chamfers are arranged at two ends of each key block (5).

2. A centering physiosis shaft according to claim 1, characterized in that: the chamfers at the two ends of the key block (5) are matched with the inclined plane of the conical block (2).

3. A centering physiosis shaft according to claim 1, characterized in that: the number of the key blocks (5) is 6.

4. A centering physiosis shaft according to claim 1, characterized in that: the air bag (3) is a rubber air bag.

5. A centering physiosis shaft according to claim 1, characterized in that: the air nozzle (4) is arranged at the tail end of the inflatable shaft body (1).

6. A centering physiosis shaft according to claim 1, characterized in that: the key blocks (5) are equidistantly arranged on the surface of the inflatable shaft body (1).