CN209601851U - Inflatable shaft device - Google Patents
Inflatable shaft device Download PDFInfo
- Publication number
- CN209601851U CN209601851U CN201822251129.6U CN201822251129U CN209601851U CN 209601851 U CN209601851 U CN 209601851U CN 201822251129 U CN201822251129 U CN 201822251129U CN 209601851 U CN209601851 U CN 209601851U
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- press strip
- air
- air bag
- roll body
- friction press
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Abstract
The utility model discloses a kind of inflatable shaft devices, the friction press strip slot of several spiral distributions is distributed in roll body surface, roll body surface is equally distributed between friction press strip slot, friction press strip slot is embedded in air bag, air-expanding shaft be able to can be retracted rapidly by high-pressure aerated rear surface press strip with protrusion, deflation rear surface press strip part.A transition core is covered on air-expanding shaft roll body, and press strip protrusion is made to air bag inflating pressure by the gas nozzle at axial end to fix core, then air-expanding shaft is carried out to page on roll paper machine equipment and batched.New air-expanding shaft is changed after paper roll reaches prescribed requirement, that changes is completed the air-expanding shaft for batching paper roll and deflating at axial end by gas nozzle, the press strip of air-expanding shaft is because air bag can retract rapidly after deflating, directly air-expanding shaft can be taken out out of core in this way and prepare to batch work next time, need not move through rewinding machine unreels cutting process, and the rotation time of winding shaft is greatly reduced.
Description
Technical field
The utility model relates to the technical field of paper machine, especially a kind of inflatable shaft device for paper machine, especially
It is related to the mechanical structure of device.
Background technique
In papermaking machine equipment production process, page passes through on roll paper machine equipment reel-to-reel paper bowl, until paper roll, which reaches, to be needed
The winding roll more renewed after the diameter wanted continues to batch.Then the paper roll spooled is unreeled into cutting by rewinding machine to reach
Required product specification.Unreeling the paper roll volume cut not over rewinding machine in this process is a roll paper of having no idea
What roller took out, need to prepare many root winding rolls thus to meet the uninterrupted production of papermaking machine equipment.
Summary of the invention
The purpose of this utility model is to provide inflatable shaft device, air-expanding shaft is a kind of special winding unwinding device, is led to
It crosses axial end gas nozzle to carry out fast aeration to air-expanding shaft inner balloon, deflate, reaches Fast Installation core and remove paper roll.In
In process of producing product, it is all with winding, unreel and can use air-expanding shaft in the equipment of cutting.It solves in the prior art
There are the problem of.
To achieve the goals above, the technical solution of the utility model are as follows: inflatable shaft device, including roll body, roll body surface
The friction press strip slot of several spiral distributions is distributed with, is equally distributed in roll body surface between the press strip slot that rubs, rubs
Press strip slot is embedded in air bag, and one end of air bag and the other end are respectively equipped with an air intake, and balloon surface is equipped with friction press strip, rubs
The both ends for wiping press strip are fixed on roll body surface, and the both ends of roll body are respectively provided with a gas nozzle, set respectively between roll body and the gas nozzle at both ends
There is a support shaft, the bearing block with bearing is provided with outside every support shaft, is distributed in the support shaft of two sides several
Tracheae, the corresponding air bag of every tracheae, one end of tracheae and the air intake of air bag connect, and the other end and gas nozzle of tracheae connect
It connects, the section approximation for the press strip that rubs assumes a " convex " shape structure, and friction press strip both sides of the edge form alice, above-mentioned friction press strip slot inner cavity
Cross sectional shape is matched with the cross sectional shape of friction press strip, is formed between the top surface and friction press strip slot inner cavity side top surface of alice
Gap.
The utility model discloses inflatable shaft device, air-expanding shaft can by high-pressure aerated rear surface press strip can with protrusion,
Deflation rear surface press strip part retracts rapidly.A transition core is covered on air-expanding shaft roll body, passes through the gas nozzle pair at axial end
Air bag inflating pressure makes press strip protrusion to fix core, then air-expanding shaft is carried out to page on roll paper machine equipment and batched.To
Paper roll changes new air-expanding shaft after reaching prescribed requirement, and that changes is completed the air-expanding shaft for batching paper roll and leading at axial end
It crosses gas nozzle to deflate, the press strip of air-expanding shaft, in this way can be directly by air-expanding shaft from paper because air bag can retract rapidly after deflating
In-core takes out and prepares to batch work next time, and need not move through rewinding machine unreels cutting process, and winding shaft is greatly reduced
Rotation time.In this way we there is no need to many winding rolls of preparation to meet production needs, greatly reduce equipment cost
Investment and the buying of standby redundancy.
Detailed description of the invention
Fig. 1 is the utility model air-expanding shaft structural schematic diagram.
Fig. 2 is the utility model air-expanding shaft sectional view.
Fig. 3 is the utility model friction layering structure schematic diagram.
Specific embodiment
With reference to the accompanying drawings, the utility model is further described below.
The utility model discloses inflatable shaft devices, are different from the prior art and are: including roll body 1,1 surface of roll body point
It is furnished with the friction press strip slot of several spiral distributions, 1 surface of roll body, friction pressure are equally distributed between the press strip slot that rubs
Bar groove is embedded in air bag 2, and one end of air bag 2 and the other end are respectively equipped with an air intake, and 2 surface of air bag is equipped with friction press strip 3,
The both ends of friction press strip 3 are fixed on 1 surface of roll body, and the both ends of roll body 1 are respectively provided with a gas nozzle 4, the gas nozzle 4 at roll body 1 and both ends it
Between be respectively equipped with a support shaft 5, the bearing block 6 with bearing is provided with outside every support shaft 5, in the support shaft 5 of two sides
Several tracheaes 7, the corresponding air bag 2 of every tracheae 7 are distributed with, one end of tracheae 7 is connect with the air intake of air bag 2, gas
The other end of pipe 7 is connect with gas nozzle 4, and the section approximation of friction press strip 3 assumes a " convex " shape structure, and friction 3 both sides of the edge of press strip are formed
Alice 8, above-mentioned 9 intracavity section shape of friction press strip slot with friction press strip 3 cross sectional shape match, the top surface of alice 8 with rub
It wipes and forms gap 10 between 9 inner cavity side top surface of press strip slot.
In the specific implementation, roll body uses high tensile steel tube to be made to meet biggish paper roll carrying, if intensity is not high
It is just unable to satisfy batching for larger diameter paper roll, frequent change of lap influences whether the stability of paper machine production, and improves rejection rate.In
Friction press strip slot design on air-expanding shaft roll body helically can significantly improve the difficulty of processing of roll body in this way, we
It needs just to be capable of processing using the processing center machine tool equipped with the 4th axis.But the design of spiral shape keyway is advantageous in that key after inflation
Spirally state resists core to item, and such core stress during swelling is not in individual inflating air bag pressures more evenly
The case where core misaligns when power unevenness.In addition the contact length of spline and core increases considerably under spiral status, in air bag
Frictional force increases considerably in the identical situation of pressure.Preventing core from loosening generation sliding in coiling process influences into papery
Amount.
In the specific implementation, the alice 8(double hook type structure that friction 3 both sides of the edge of press strip are formed) it is lean-in oblique
At slope surface, above-mentioned gap 10 is formed in above slope surface.By between being formed between alice and groove body after air bag deflation
Gap 10 realizes the friction automatic retracted for clearance of press strip 3, and in the deflated condition, the entire press strip 3 that rubs is contracted in friction press strip to air bag
In slot, the top for the press strip 3 that rubs is flushed in the notch of friction press strip slot, and only after the fast aeration of air bag two sides, rub press strip 3
Just meeting stress ejects notch upwards, and the limit of friction press strip 3 is realized using the alice of two sides, and the friction press strip 3 is butyl
Glue material matter, butyl rubber wear-resisting property are good.
In the specific implementation, air bag must satisfy the requirement of 0.1MPa operating pressure, and inside air bag must keep elevated pressures
Spline is maintained to the top power of core, prevents core and Heaven's commandments from unstable produce relative sliding being combined to influence paper roll quality.If
Material is unqualified, and air bag is easily damaged.Using butyl rubber material, air-tightness is good, heat-resisting ageing-resisting.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the utility model specific implementation is confined to these above-mentioned explanations.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should
It is considered as belonging to the protection scope of the utility model.
Claims (4)
1. inflatable shaft device, it is characterised in that: including roll body (1), rubbing for several spiral distributions is distributed in roll body (1) surface
Press strip slot is wiped, roll body (1) surface is equally distributed between the press strip slot that rubs, friction press strip slot is embedded in air bag (2), air bag
(2) one end and the other end is respectively equipped with an air intake, and air bag (2) surface is equipped with friction press strip (3), friction press strip (3)
Both ends are fixed on roll body (1) surface, and the both ends of roll body (1) are respectively provided with a gas nozzle (4), between the gas nozzle (4) at roll body (1) and both ends
It is respectively equipped with a support shaft (5), is provided with the bearing block (6) with bearing, the support shaft of two sides outside every support shaft (5)
(5) several tracheaes (7), the corresponding air bag (2) of every tracheae (7), one end and air bag (2) of tracheae (7) are distributed in
Air intake connection, the other end of tracheae (7) connect with gas nozzle (4), and the section approximation of press strip (3) of rubbing assumes a " convex " shape structure,
Rub press strip (3) both sides of the edge formation alice (8), section of above-mentioned friction press strip slot (9) intracavity section shape and friction press strip (3)
Face shape matches, and forms gap (10) between the top surface and friction press strip slot (9) inner cavity side top surface of alice (8).
2. inflatable shaft device according to claim 1, it is characterised in that: the air bag (2) uses butyl rubber material.
3. inflatable shaft device according to claim 1, it is characterised in that: what friction press strip (3) both sides of the edge were formed
Alice (8) is the slope surface formed that slopes inwardly, and above-mentioned gap (10) is formed in above slope surface.
4. inflatable shaft device according to claim 1, it is characterised in that: the friction press strip (3) is butyl rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251129.6U CN209601851U (en) | 2018-12-29 | 2018-12-29 | Inflatable shaft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251129.6U CN209601851U (en) | 2018-12-29 | 2018-12-29 | Inflatable shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209601851U true CN209601851U (en) | 2019-11-08 |
Family
ID=68399164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251129.6U Active CN209601851U (en) | 2018-12-29 | 2018-12-29 | Inflatable shaft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209601851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704153A (en) * | 2018-12-29 | 2019-05-03 | 上海轻良实业有限公司 | Inflatable shaft device |
-
2018
- 2018-12-29 CN CN201822251129.6U patent/CN209601851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704153A (en) * | 2018-12-29 | 2019-05-03 | 上海轻良实业有限公司 | Inflatable shaft device |
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