CN211370989U

CN211370989U - Pneumatic structure of mechanical expansion shaft

Info

Publication number: CN211370989U
Application number: CN201922414619.8U
Authority: CN
Inventors: 蔡章飞
Original assignee: Kunshan Shenghui Machinery Technology Co ltd
Current assignee: Kunshan Shenghui Machinery Technology Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-08-28
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a pneumatic structure of axle rises mechanically, including the axle that rises mechanically, the outer fixed surface of the axle that rises mechanically is connected with axle housing, the left side fixedly connected with left end fixed axle of the axle that rises mechanically, the right side fixedly connected with right-hand member fixed axle of the axle that rises mechanically, the right-hand member of right-hand member fixed axle has been seted up and has been inflated the port, the surface threaded connection of axle housing has the fixed screw, the inner chamber fixedly connected with gas-supply pipe of right-hand member fixed axle, the utility model relates to an air shaft pneumatic technical field that rises. This pneumatic structure of axle rises mechanically, through reset spring and the setting of filling the gasbag for the pneumatic structure of axle rises mechanically when using, aerifys the same machinery that the activity duration compares and rises the axle and can significantly reduce, and the machinery rises the separation of axle and paper tube and places and does not need the longer time side to accomplish and aerify and the gassing, the setting of plenum chamber lamella, makes center pin and gas-supply pipe keep the closure, has effectively improved the practicality that the axle rises mechanically.

Description

Pneumatic structure of mechanical expansion shaft

Technical Field

The utility model relates to an air shaft pneumatic technical field specifically is a pneumatic structure of machinery axle that rises.

Background

The mechanical expansion shaft is a specially-made rolling shaft, expansion roller, inflation shaft and pressure shaft, etc. said mechanical expansion shaft has the characteristics of short inflation operation time, only several seconds for separating and placing the mechanical expansion shaft and paper tube to implement inflation and deflation, and can be tightly occluded with paper tube, and the paper tube can be placed simply, and can be moved and fixed at any position of paper tube on the shaft surface by means of inflation and deflation action, and its bearing weight is large, and can be determined according to the actual requirements of customer, and the shaft diameter can be used, and uses high-hardness steel material to make its bearing weight be increased, so that it is high in economic efficiency, and can be completely used for various thick, thin, wide and narrow paper tubes, and its maintenance is simple, and its service time is long, and every part in its self structure has fixed specification, and can be interchangeably used, so that it is convenient for maintenance, the mechanical expanding shaft has wide application, and all machines with winding, unwinding and slitting can be suitable for the mechanical expanding shaft.

When the pneumatic structure of the existing mechanical expansion shaft is used, the inflation operation time is still too long compared with the same mechanical expansion shaft, the mechanical expansion shaft and the paper tube are separated and placed for a long time to complete inflation and deflation, and when the mechanical expansion tube is used, abrasion exists between the key bar and the filling air bag, so that the filling air bag is damaged and cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a machinery rises pneumatic structure of axle has solved machinery and has risen the pneumatic structure of axle when using, aerifys the activity duration and compare the same machinery and rise the axle still overlength, and there is wearing and tearing between key strip and the gas cell of filling, can lead to filling the gas cell damaged, the unable problem of using.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pneumatic structure of a mechanical expanding shaft comprises the mechanical expanding shaft, wherein a shaft shell is fixedly connected to the outer surface of the mechanical expanding shaft, a left end fixing shaft is fixedly connected to the left side of the mechanical expanding shaft, a right end fixing shaft is fixedly connected to the right side of the mechanical expanding shaft, an inflation port is formed in the right end of the right end fixing shaft, a fixing screw is in threaded connection with the outer surface of the shaft shell, a gas pipe is fixedly connected to the inner cavity of the right end fixing shaft, the right end of the gas pipe is communicated with the left side of the inflation port, a central shaft is fixedly connected to the left end of the gas pipe, a filling gas bag is fixedly connected to the outer surface of the central shaft, a shaft clamping seat is clamped at the left end of the central shaft, a mechanical bottom plate is fixedly connected to the inner cavity of the shaft shell and located on the periphery of the central shaft, a key strip is fixedly connected to the, the right end of the gas transmission pipe is fixedly connected with a plenum chamber flap on the left of the gas charging port.

Preferably, a clamping seat groove is formed in the right side of the shaft clamping seat, and the inner surface of the clamping seat groove is matched with the outer surface of the central shaft.

Preferably, the inner surface of the central shaft is provided with a central groove, and the right side of the central groove is communicated with the left end of the gas conveying pipe.

Preferably, the outer surface of the central shaft is provided with a plurality of groups of holes above the central groove in a penetrating manner, and the tops of the holes are communicated with the bottom of the inner cavity of the filled air bag.

Preferably, the outer surface of the shaft shell is provided with a shaft shell groove in a penetrating manner, and the left side of the inner cavity of the shaft shell is fixedly connected with the shaft clamping seat.

Preferably, the inner surface of the shaft housing groove is matched with the outer surface of the key bar.

Advantageous effects

The utility model provides a pneumatic structure of mechanical axle that rises. Compared with the prior art, the method has the following beneficial effects:

(1) the pneumatic structure of the mechanical expansion shaft comprises a shaft shell fixedly connected to the outer surface of the mechanical expansion shaft, a left end fixing shaft fixedly connected to the left side of the mechanical expansion shaft, a right end fixing shaft fixedly connected to the right side of the mechanical expansion shaft, an inflation port formed at the right end of the right end fixing shaft, a fixing screw in threaded connection with the outer surface of the shaft shell, a gas pipe fixedly connected to the inner cavity of the right end fixing shaft, a central shaft communicated with the right end of the gas pipe, a filling gas bag fixedly connected to the outer surface of the central shaft, a shaft clamping seat clamped to the left end of the central shaft, a mechanical bottom plate fixedly connected to the inner cavity of the shaft shell and located at the periphery of the central shaft, a key bar fixedly connected to the outer surface of the mechanical bottom plate, a reset spring fixedly connected to the outer surface of the mechanical bottom plate and located at the left side and the right side of the key, through reset spring and the setting of filling up the gasbag for the pneumatic structure that machinery rises the axle when using, and the same machinery that aerifys the activity duration and compare rises the axle and can significantly reduce, and machinery rises the separation of axle and paper tube and places and does not need longer time side to accomplish and aerify and the gassing, and the setting of plenum chamber lamella makes center pin and gas-supply pipe keep the closure, has effectively improved the practicality that machinery rises the axle.

(2) The pneumatic structure of the mechanical expanding shaft is characterized in that a clamping seat groove is arranged on the right side of a shaft clamping seat, the inner surface of the clamping seat groove is matched with the outer surface of the central shaft, the inner surface of the central shaft is provided with a central groove, the right side of the central groove is communicated with the left end of the gas conveying pipe, the outer surface of the central shaft and the position above the central groove are provided with a plurality of groups of holes in a penetrating way, the tops of the holes are communicated with the bottom of the inner cavity of the gas filling bag, the outer surface of the shaft shell is provided with a shaft shell groove in a penetrating way, the left side of the inner cavity of the shaft shell is fixedly connected with the shaft clamping seat, the inner surface of the groove of the shaft shell is matched with the outer surface of the key bar, through the setting of mechanical bottom plate for mechanical expand tube is when using, and mechanical bottom plate acts as the spacer between key strip and the gas bag of filling, has effectively reduced the wearing and tearing between key strip and the gas bag of filling, has avoided filling the gas bag damage, can't use.

Drawings

FIG. 1 is a front view of the internal structure of the mechanical expanding shaft of the present invention;

FIG. 2 is a front view of the mechanical expanding shaft structure of the present invention;

fig. 3 is a right side view of the gas pipe structure of the present invention.

In the figure 1, a mechanical expansion shaft; 2. a shaft housing; 3. a left end fixed shaft; 4. a right end fixing shaft; 5. an inflation port; 6. fixing screws; 7. a gas delivery pipe; 8. a central shaft; 9. filling the air bag; 10. a shaft clamp seat; 11. a mechanical baseplate; 12. a key bar; 13. a return spring; 14. a plenum chamber flap.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a pneumatic structure of a mechanical expanding shaft comprises a mechanical expanding shaft 1, wherein a shaft shell 2 is fixedly connected to the outer surface of the mechanical expanding shaft 1, a left end fixed shaft 3 is fixedly connected to the left side of the mechanical expanding shaft 1, a right end fixed shaft 4 is fixedly connected to the right side of the mechanical expanding shaft 1, an inflation port 5 is formed in the right end of the right end fixed shaft 4, a fixed screw 6 is in threaded connection with the outer surface of the shaft shell 2, the fixed screw 6 provides fixed connection for the shaft shell 2 and a mechanical bottom plate 11, an inner cavity of the right end fixed shaft 4 is fixedly connected with a gas pipe 7, the right end of the gas pipe 7 is communicated with the left side of the inflation port 5, the left end of the gas pipe 7 is fixedly connected with a central shaft 8, a filling air bag 9 is fixedly connected to the outer surface of the central shaft 8, a shaft clamping seat 10 is clamped at the left end of the central shaft 8, a fixed support is provided for the, outer fixed surface of mechanical bottom plate 11 is connected with keybar 12, the surface of mechanical bottom plate 11 just is located the left and the right-hand equal fixedly connected with reset spring 13 of keybar 12, the right-hand member of gas-supply pipe 7 just is located the left fixedly connected with plenum chamber lamella 14 of inflating port 5, the cassette recess has been seted up on the right side of axle cassette 10, and the internal surface of cassette recess and the surface looks adaptation of center pin 8, central recess has been seted up to the 8 internal surfaces of center pin, the right side of central recess and the left end intercommunication of gas-supply pipe 7, the top that the surface of center pin 8 just is located central recess runs through and has seted up a plurality of groups hole, the top of hole and the bottom intercommunication of filling gasbag 9 inner chamber, the surface of axle shell 2 runs through and has seted up the axle shell recess, and the left side and the axle cassette 10 fixed connection of 2 inner chambers of axle.

When the mechanical expansion shaft 1 is fixed by a worker through the left end fixing shaft 3 and the right end fixing shaft 4, the inflation device is connected to the inflation chamber flap 14 through the inflation port 5, gas is injected into the gas conveying pipe 7 through the inflation chamber flap 14, the gas enters the central shaft 8 through the gas conveying pipe 7 and enters the filling gas bag 9 through the central groove in the central shaft 8, the gas in the filling gas bag 9 continuously enters to enable the filling gas bag 9 to start to expand and push the mechanical bottom plate 11, the worker can pull out the inflation device, the inflation chamber flap 14 automatically closes to seal the gas conveying pipe 7 after pulling out the inflation device, the mechanical bottom plate 11 pushes outwards to drive the key bar 12 to push outwards and compress the return spring 13, the key bar 12 pushes out and pushes out the shaft shell 2 through the shaft shell groove to expand and fix the paper pipe, when the worker needs to withdraw the mechanical shaft 1, a hollow pipeline is inserted into the inflation port 5 and connected into the inflation chamber valve 14, air is exhausted through the hollow pipeline, and the return spring 13 starts to drive the mechanical bottom plate 11 and the key strip 12 to retract after having no thrust, so that the retraction of the mechanical expansion shaft 1 is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A pneumatic structure of a mechanical expansion shaft comprises the mechanical expansion shaft (1), wherein a shaft shell (2) is fixedly connected to the outer surface of the mechanical expansion shaft (1), and the pneumatic structure is characterized in that a left end fixing shaft (3) is fixedly connected to the left side of the mechanical expansion shaft (1), a right end fixing shaft (4) is fixedly connected to the right side of the mechanical expansion shaft (1), an inflation port (5) is formed in the right end of the right end fixing shaft (4), a fixing screw (6) is connected to the outer surface of the shaft shell (2) in a threaded manner, a gas pipe (7) is fixedly connected to the inner cavity of the right end fixing shaft (4), the right end of the gas pipe (7) is communicated with the left side of the inflation port (5), a central shaft (8) is fixedly connected to the left end of the gas pipe (7), a filling gas bag (9) is fixedly connected to the outer surface of the central shaft (8), and a shaft, the inner chamber of axle housing (2) just is located peripheral fixedly connected with mechanical bottom plate (11) of center pin (8), the outer fixed surface of mechanical bottom plate (11) is connected with keybar (12), the surface of mechanical bottom plate (11) just is located the left and the right-hand equal fixedly connected with reset spring (13) of keybar (12), the right-hand member of gas-supply pipe (7) just is located left fixedly connected with plenum chamber lamella (14) of inflating port (5).

2. The pneumatic structure of a mechanical expansion shaft of claim 1, wherein a clamping seat groove is formed on the right side of the shaft clamping seat (10), and the inner surface of the clamping seat groove is matched with the outer surface of the central shaft (8).

3. The pneumatic structure of a mechanical expansion shaft according to claim 1, wherein a central groove is formed in the inner surface of the central shaft (8), and the right side of the central groove is communicated with the left end of the gas pipe (7).

4. The pneumatic structure of a mechanical expansion shaft of claim 3, wherein a plurality of sets of holes are formed through the outer surface of the central shaft (8) above the central groove, and the tops of the holes are communicated with the bottom of the inner cavity of the air filling bag (9).

5. The pneumatic structure of a mechanical expanding shaft according to claim 1, wherein a shaft housing groove is formed in the outer surface of the shaft housing (2) in a penetrating manner, and the left side of the inner cavity of the shaft housing (2) is fixedly connected with the shaft clamping seat (10).

6. A pneumatic arrangement in a mechanical expansion shaft according to claim 5, characterised in that the inner surface of the housing recess is adapted to the outer surface of the spline (12).